u34

desktopRuntime/resources/assets/eagler/glsl/accel_particle.vsh

@@ -33,8 +33,8 @@ out vec4 v_color4f;
 
 uniform mat4 u_matrixTransform;
 uniform vec3 u_texCoordSize2f_particleSize1f;
-uniform vec4 u_transformParam_1_2_3_4_f;
-uniform float u_transformParam_5_f;
+uniform vec3 u_transformParam_1_2_5_f;
+uniform vec2 u_transformParam_3_4_f;
 uniform vec4 u_color4f;
 
 uniform sampler2D u_lightmapTexture;
@@ -51,11 +51,8 @@ void main() {
 
 	vec3 pos3f = p_position3f;
 	vec2 spos2f = a_position2f * particleSize;
-	pos3f.x += u_transformParam_1_2_3_4_f.x * spos2f.x;
-	pos3f.x += u_transformParam_1_2_3_4_f.w * spos2f.y;
-	pos3f.y += u_transformParam_1_2_3_4_f.y * spos2f.y;
-	pos3f.z += u_transformParam_1_2_3_4_f.z * spos2f.x;
-	pos3f.z += u_transformParam_5_f * spos2f.y;
+	pos3f += u_transformParam_1_2_5_f * spos2f.xyy;
+	pos3f.zx += u_transformParam_3_4_f * spos2f;
 
 	gl_Position = u_matrixTransform * vec4(pos3f, 1.0);
 }

desktopRuntime/resources/assets/eagler/glsl/deferred/accel_particle.vsh

@@ -43,8 +43,8 @@ uniform mat4 u_matrixTransform;
 #endif
 
 uniform vec3 u_texCoordSize2f_particleSize1f;
-uniform vec4 u_transformParam_1_2_3_4_f;
-uniform float u_transformParam_5_f;
+uniform vec3 u_transformParam_1_2_5_f;
+uniform vec2 u_transformParam_3_4_f;
 
 void main() {
 	v_color4f = p_color4f.bgra;
@@ -59,11 +59,8 @@ void main() {
 
 	vec3 pos3f = p_position3f;
 	vec2 spos2f = a_position2f * particleSize;
-	pos3f.x += u_transformParam_1_2_3_4_f.x * spos2f.x;
-	pos3f.x += u_transformParam_1_2_3_4_f.w * spos2f.y;
-	pos3f.y += u_transformParam_1_2_3_4_f.y * spos2f.y;
-	pos3f.z += u_transformParam_1_2_3_4_f.z * spos2f.x;
-	pos3f.z += u_transformParam_5_f * spos2f.y;
+	pos3f += u_transformParam_1_2_5_f * spos2f.xyy;
+	pos3f.zx += u_transformParam_3_4_f * spos2f;
 
 #ifdef COMPILE_GBUFFER_VSH
 	gl_Position = u_matrixTransform * vec4(pos3f, 1.0);

desktopRuntime/resources/assets/eagler/glsl/deferred/emissive_items.csv

@@ -7,3 +7,4 @@ minecraft:redstone_torch,0,1.0000,0.1578,0.0000,4.0
 minecraft:sea_lantern,0,0.5530,0.6468,1.0000,10.0,
 minecraft:lava_bucket,0,1.0000,0.4461,0.1054,6.0,
 minecraft:nether_star,0,0.5711,0.6611,1.0000,6.0
+minecraft:ender_eye,0,0.1990,0.7750,0.4130,4.0

desktopRuntime/resources/assets/eagler/glsl/deferred/shader_pack_info.json

@@ -1,7 +1,7 @@
 {
 	"name": "§eHigh Performance PBR",
 	"desc": "Pack made from scratch specifically for this client, designed to give what I call the best balance between quality and performance possible in a browser but obviously that's just my opinion",
-	"vers": "1.1.0",
+	"vers": "1.2.0",
 	"author": "lax1dude",
 	"api_vers": 1,
 	"features": [

desktopRuntime/resources/assets/eagler/glsl/dynamiclights/accel_particle_dynamiclights.fsh

@@ -0,0 +1,67 @@
+#line 2
+
+/*
+ * Copyright (c) 2024 lax1dude. All Rights Reserved.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ * 
+ */
+
+precision lowp int;
+precision mediump float;
+precision mediump sampler2D;
+
+in vec4 v_position4f;
+in vec2 v_texCoord2f;
+in vec4 v_color4f;
+in vec2 v_lightmap2f;
+
+layout(location = 0) out vec4 output4f;
+
+uniform sampler2D u_inputTexture;
+uniform sampler2D u_lightmapTexture;
+
+uniform mat4 u_inverseViewMatrix4f;
+
+layout(std140) uniform u_chunkLightingData {
+	mediump int u_dynamicLightCount1i;
+	mediump int _paddingA_;
+	mediump int _paddingB_;
+	mediump int _paddingC_;
+	mediump vec4 u_dynamicLightArray[12];
+};
+
+void main() {
+	vec4 color = texture(u_inputTexture, v_texCoord2f) * v_color4f;
+
+	if(color.a < 0.004) {
+		discard;
+	}
+
+	vec4 light;
+	float diffuse = 0.0;
+	if(u_dynamicLightCount1i > 0) {
+		vec4 worldPosition4f = u_inverseViewMatrix4f * v_position4f;
+		worldPosition4f.xyz /= worldPosition4f.w;
+		vec3 normalVector3f = normalize(u_inverseViewMatrix4f[2].xyz);
+		int safeLightCount = u_dynamicLightCount1i > 12 ? 0 : u_dynamicLightCount1i;
+		for(int i = 0; i < safeLightCount; ++i) {
+			light = u_dynamicLightArray[i];
+			light.xyz = light.xyz - worldPosition4f.xyz;
+			diffuse += max(dot(normalize(light.xyz), normalVector3f) * 0.8 + 0.2, 0.0) * max(light.w - sqrt(dot(light.xyz, light.xyz)), 0.0);
+		}
+	}
+
+	color *= texture(u_lightmapTexture, vec2(min(v_lightmap2f.x + diffuse * 0.066667, 1.0), v_lightmap2f.y));
+
+	output4f = color;
+}

desktopRuntime/resources/assets/eagler/glsl/dynamiclights/accel_particle_dynamiclights.vsh

@@ -0,0 +1,61 @@
+#line 2
+
+/*
+ * Copyright (c) 2024 lax1dude. All Rights Reserved.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ * 
+ */
+
+precision lowp int;
+precision highp float;
+precision mediump sampler2D;
+
+layout(location = 0) in vec2 a_position2f;
+
+layout(location = 1) in vec3 p_position3f;
+layout(location = 2) in vec2 p_texCoords2i;
+layout(location = 3) in vec2 p_lightMap2f;
+layout(location = 4) in vec2 p_particleSize_texCoordsSize_2i;
+layout(location = 5) in vec4 p_color4f;
+
+out vec4 v_position4f;
+out vec2 v_texCoord2f;
+out vec4 v_color4f;
+out vec2 v_lightmap2f;
+
+uniform mat4 u_modelViewMatrix4f;
+uniform mat4 u_projectionMatrix4f;
+uniform vec3 u_texCoordSize2f_particleSize1f;
+uniform vec3 u_transformParam_1_2_5_f;
+uniform vec2 u_transformParam_3_4_f;
+uniform vec4 u_color4f;
+
+void main() {
+	v_color4f = u_color4f * p_color4f.bgra;
+	v_lightmap2f = p_lightMap2f;
+
+	vec2 tex2f = a_position2f * 0.5 + 0.5;
+	tex2f.y = 1.0 - tex2f.y;
+	tex2f = p_texCoords2i + tex2f * p_particleSize_texCoordsSize_2i.y;
+	v_texCoord2f = tex2f * u_texCoordSize2f_particleSize1f.xy;
+
+	float particleSize = u_texCoordSize2f_particleSize1f.z * p_particleSize_texCoordsSize_2i.x;
+
+	vec3 pos3f = p_position3f;
+	vec2 spos2f = a_position2f * particleSize;
+	pos3f += u_transformParam_1_2_5_f * spos2f.xyy;
+	pos3f.zx += u_transformParam_3_4_f * spos2f;
+
+	v_position4f = u_modelViewMatrix4f * vec4(pos3f, 1.0);
+	gl_Position = u_projectionMatrix4f * v_position4f;
+}

desktopRuntime/resources/assets/eagler/glsl/dynamiclights/core_dynamiclights.fsh

@@ -0,0 +1,210 @@
+#line 2
+
+/*
+ * Copyright (c) 2022-2024 lax1dude. All Rights Reserved.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ * 
+ */
+
+in vec4 v_position4f;
+
+#ifdef COMPILE_TEXTURE_ATTRIB
+in vec2 v_texture2f;
+#endif
+
+uniform vec4 u_color4f;
+
+#ifdef COMPILE_BLEND_ADD
+uniform vec4 u_colorBlendSrc4f;
+uniform vec4 u_colorBlendAdd4f;
+#endif
+
+#ifdef COMPILE_COLOR_ATTRIB
+in vec4 v_color4f;
+#endif
+
+#ifdef COMPILE_NORMAL_ATTRIB
+in vec3 v_normal3f;
+#endif
+
+#ifdef COMPILE_LIGHTMAP_ATTRIB
+in vec2 v_lightmap2f;
+#endif
+
+#ifdef COMPILE_ENABLE_TEXTURE2D
+uniform sampler2D u_samplerTexture;
+#if !defined(COMPILE_TEXTURE_ATTRIB) && !defined(COMPILE_ENABLE_TEX_GEN)
+uniform vec2 u_textureCoords01;
+#endif
+#endif
+
+#ifdef COMPILE_ENABLE_LIGHTMAP
+uniform sampler2D u_samplerLightmap;
+#ifndef COMPILE_LIGHTMAP_ATTRIB
+uniform vec2 u_textureCoords02;
+#endif
+#endif
+
+#ifdef COMPILE_ENABLE_ALPHA_TEST
+uniform float u_alphaTestRef1f;
+#endif
+
+#ifdef COMPILE_ENABLE_MC_LIGHTING
+uniform int u_lightsEnabled1i;
+uniform vec4 u_lightsDirections4fv[4];
+uniform vec3 u_lightsAmbient3f;
+#endif
+
+#ifndef COMPILE_NORMAL_ATTRIB
+uniform vec3 u_uniformNormal3f;
+#endif
+
+#ifdef COMPILE_ENABLE_FOG
+uniform vec4 u_fogParameters4f;
+uniform vec4 u_fogColor4f;
+#endif
+
+#ifdef COMPILE_ENABLE_TEX_GEN
+in vec3 v_objectPosition3f;
+uniform ivec4 u_texGenPlane4i;
+uniform vec4 u_texGenS4f;
+uniform vec4 u_texGenT4f;
+uniform vec4 u_texGenR4f;
+uniform vec4 u_texGenQ4f;
+uniform mat4 u_textureMat4f01;
+#endif
+
+#ifdef COMPILE_ENABLE_ANISOTROPIC_FIX
+uniform vec2 u_textureAnisotropicFix;
+#endif
+
+uniform mat4 u_inverseViewMatrix4f;
+
+layout(std140) uniform u_chunkLightingData {
+	mediump int u_dynamicLightCount1i;
+	mediump int _paddingA_;
+	mediump int _paddingB_;
+	mediump int _paddingC_;
+	mediump vec4 u_dynamicLightArray[12];
+};
+
+layout(location = 0) out vec4 output4f;
+
+void main() {
+
+#ifdef COMPILE_COLOR_ATTRIB
+	vec4 color = v_color4f * u_color4f;
+#else
+	vec4 color = u_color4f;
+#endif
+	
+#ifdef COMPILE_ENABLE_TEX_GEN
+	vec4 texGenVector;
+	
+	vec4 texGenPosSrc[2];
+	texGenPosSrc[0] = vec4(v_objectPosition3f, 1.0);
+	texGenPosSrc[1] = v_position4f;
+	
+	texGenVector.x = dot(texGenPosSrc[u_texGenPlane4i.x], u_texGenS4f);
+	texGenVector.y = dot(texGenPosSrc[u_texGenPlane4i.y], u_texGenT4f);
+	texGenVector.z = dot(texGenPosSrc[u_texGenPlane4i.z], u_texGenR4f);
+	texGenVector.w = dot(texGenPosSrc[u_texGenPlane4i.w], u_texGenQ4f);
+	
+	texGenVector = u_textureMat4f01 * texGenVector;
+	color *= texture(u_samplerTexture, texGenVector.xy / texGenVector.w);
+	
+#ifdef COMPILE_ENABLE_ALPHA_TEST
+	if(color.a < u_alphaTestRef1f) discard;
+#endif
+
+#else
+
+#ifdef COMPILE_ENABLE_TEXTURE2D
+#ifdef COMPILE_TEXTURE_ATTRIB
+#ifdef COMPILE_ENABLE_ANISOTROPIC_FIX
+	// d3d11 doesn't support GL_NEAREST upscaling with anisotropic
+	// filtering enabled, so it needs this stupid fix to 'work'
+	vec2 uv = floor(v_texture2f * u_textureAnisotropicFix) + 0.5;
+	color *= texture(u_samplerTexture, uv / u_textureAnisotropicFix);
+#else
+	color *= texture(u_samplerTexture, v_texture2f);
+#endif
+#else
+	color *= texture(u_samplerTexture, u_textureCoords01);
+#endif
+#endif
+
+#ifdef COMPILE_NORMAL_ATTRIB
+	vec3 normal = normalize(v_normal3f);
+#else
+	vec3 normal = u_uniformNormal3f;
+#endif
+
+#ifdef COMPILE_ENABLE_LIGHTMAP
+	float diffuse = 0.0;
+	vec4 light;
+	if(u_dynamicLightCount1i > 0) {
+		vec4 worldPosition4f = u_inverseViewMatrix4f * v_position4f;
+		worldPosition4f.xyz /= worldPosition4f.w;
+		vec3 normalVector3f = normalize(mat3(u_inverseViewMatrix4f) * normal);
+		int safeLightCount = u_dynamicLightCount1i > 12 ? 0 : u_dynamicLightCount1i;
+		for(int i = 0; i < safeLightCount; ++i) {
+			light = u_dynamicLightArray[i];
+			light.xyz = light.xyz - worldPosition4f.xyz;
+			diffuse += max(dot(normalize(light.xyz), normalVector3f) * 0.8 + 0.2, 0.0) * max(light.w - sqrt(dot(light.xyz, light.xyz)), 0.0);
+		}
+	}
+#ifdef COMPILE_LIGHTMAP_ATTRIB
+	color *= texture(u_samplerLightmap, vec2(min(v_lightmap2f.x + diffuse * 0.066667, 1.0), v_lightmap2f.y));
+#else
+	color *= texture(u_samplerLightmap, vec2(min(u_textureCoords02.x + diffuse * 0.066667, 1.0), u_textureCoords02.y));
+#endif
+#endif
+
+#ifdef COMPILE_BLEND_ADD
+	color = color * u_colorBlendSrc4f + u_colorBlendAdd4f;
+#endif
+
+#ifdef COMPILE_ENABLE_ALPHA_TEST
+	if(color.a < u_alphaTestRef1f) discard;
+#endif
+
+#endif
+
+#ifdef COMPILE_ENABLE_MC_LIGHTING
+#ifndef COMPILE_ENABLE_LIGHTMAP
+	vec4 light;
+	float diffuse = 0.0;
+#else
+	diffuse = 0.0;
+#endif
+	for(int i = 0; i < u_lightsEnabled1i; ++i) {
+		light = u_lightsDirections4fv[i];
+		diffuse += max(dot(light.xyz, normal), 0.0) * light.w;
+	}
+	color.rgb *= min(u_lightsAmbient3f + vec3(diffuse), 1.0);
+#endif
+
+#ifdef COMPILE_ENABLE_FOG
+	vec3 fogPos = v_position4f.xyz / v_position4f.w;
+	float dist = sqrt(dot(fogPos, fogPos));
+	float fogDensity = u_fogParameters4f.y;
+	float fogStart = u_fogParameters4f.z;
+	float fogEnd = u_fogParameters4f.w;
+	float f = u_fogParameters4f.x > 0.0 ? 1.0 - exp(-fogDensity * dist) :
+		(dist - fogStart) / (fogEnd - fogStart);
+	color.rgb = mix(color.rgb, u_fogColor4f.rgb, clamp(f, 0.0, 1.0) * u_fogColor4f.a);
+#endif
+
+	output4f = color;
+}

desktopRuntime/resources/assets/eagler/glsl/dynamiclights/core_dynamiclights.vsh

@@ -0,0 +1,80 @@
+#line 2
+
+/*
+ * Copyright (c) 2022-2024 lax1dude. All Rights Reserved.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ * 
+ */
+
+in vec3 a_position3f;
+
+out vec4 v_position4f;
+
+#ifdef COMPILE_ENABLE_TEX_GEN
+out vec3 v_objectPosition3f;
+#endif
+
+#ifdef COMPILE_TEXTURE_ATTRIB
+in vec2 a_texture2f;
+out vec2 v_texture2f;
+uniform mat4 u_textureMat4f01;
+#endif
+
+#ifdef COMPILE_COLOR_ATTRIB
+in vec4 a_color4f;
+out vec4 v_color4f;
+#endif
+
+#ifdef COMPILE_NORMAL_ATTRIB
+in vec4 a_normal4f;
+out vec3 v_normal3f;
+#endif
+
+#ifdef COMPILE_LIGHTMAP_ATTRIB
+in vec2 a_lightmap2f;
+out vec2 v_lightmap2f;
+uniform mat4 u_textureMat4f02;
+#endif
+
+uniform mat4 u_modelviewMat4f;
+uniform mat4 u_projectionMat4f;
+
+#define TEX_MAT3(mat4In) mat3(mat4In[0].xyw,mat4In[1].xyw,mat4In[3].xyw)
+
+void main() {
+#ifdef COMPILE_ENABLE_TEX_GEN
+	v_objectPosition3f = a_position3f;
+#endif
+
+	v_position4f = u_modelviewMat4f * vec4(a_position3f, 1.0);
+
+#ifdef COMPILE_TEXTURE_ATTRIB
+	vec3 v_textureTmp3f = TEX_MAT3(u_textureMat4f01) * vec3(a_texture2f, 1.0);
+	v_texture2f = v_textureTmp3f.xy / v_textureTmp3f.z;
+#endif
+	
+#ifdef COMPILE_COLOR_ATTRIB
+	v_color4f = a_color4f;
+#endif
+	
+#ifdef COMPILE_NORMAL_ATTRIB
+	v_normal3f = normalize(mat3(u_modelviewMat4f) * a_normal4f.xyz);
+#endif
+	
+#ifdef COMPILE_LIGHTMAP_ATTRIB
+	vec3 v_lightmapTmp3f = TEX_MAT3(u_textureMat4f02) * vec3(a_lightmap2f, 1.0);
+	v_lightmap2f = v_lightmapTmp3f.xy / v_lightmapTmp3f.z;
+#endif
+
+	gl_Position = u_projectionMat4f * v_position4f;
+}

desktopRuntime/resources/assets/eagler/mesh/readme.txt

@@ -0,0 +1,9 @@
+THESE ARE NOT DOOM/GMOD MODELS!
+
+The FNAW skins are stored in a proprietary format created by lax1dude.
+
+The format is a container for raw OpenGL vertex buffer and index buffer data intended to be copied directly into the GPU's memory, along with a small amount of metadata.
+
+Data is rendered in GL_TRIANGLES mode using glDrawElements.
+
+See "net/lax1dude/eaglercraft/v1_8/opengl/EaglerMeshLoader.java" and "net/lax1dude/eaglercraft/v1_8/opengl/HighPolyMesh.java" for more details.

desktopRuntime/resources/assets/minecraft/lang/en_US.lang

@@ -129,6 +129,7 @@ eaglercraft.options.fastMath=Fast Math
 eaglercraft.options.fastMath.0=OFF
 eaglercraft.options.fastMath.1=Low
 eaglercraft.options.fastMath.2=High
+eaglercraft.options.dynamicLights=Dynamic Lights
 
 eaglercraft.key.function=Function
 eaglercraft.key.zoomCamera=Zoom Camera
@@ -576,7 +577,12 @@ eaglercraft.singleplayer.demo.create.create.tooltip=Play the Minecraft 1.8 demo
 eaglercraft.singleplayer.demo.create.join=Join Shared World
 eaglercraft.singleplayer.demo.create.join.tooltip=Join someone else's world and play multiplayer
 
-eaglercraft.createWorld.seedNote=Note: Vanilla seeds do not work!
+eaglercraft.createWorld.seedNote=Note: Vanilla seeds now work!
+
+eaglercraft.singleplayer.oldseedwarning.title=Old World Detected!
+eaglercraft.singleplayer.oldseedwarning.msg1=Please use EaglercraftX u32 or older to "Re-Create" this world
+eaglercraft.singleplayer.oldseedwarning.msg2=The world's seed will not be the same otherwise :(
+eaglercraft.singleplayer.oldseedwarning.ok=OK
 
 eaglercraft.singleplayer.outdatedLANServerKick=This is a 1.5.2 LAN world!
 

desktopRuntime/resources/plugin_version.json

@@ -1 +1 @@
-{"pluginName":"EaglercraftXBungee","pluginVersion":"1.2.3","pluginButton":"Download \"EaglerXBungee-1.2.3.jar\"","pluginFilename":"EaglerXBungee.zip"}
+{"pluginName":"EaglercraftXBungee","pluginVersion":"1.2.5","pluginButton":"Download \"EaglerXBungee-1.2.5.jar\"","pluginFilename":"EaglerXBungee.zip"}

src/main/java/net/lax1dude/eaglercraft/v1_8/EaglercraftRandom.java

@@ -3,7 +3,7 @@ package net.lax1dude.eaglercraft.v1_8;
 import net.lax1dude.eaglercraft.v1_8.internal.PlatformRuntime;
 
 /**
- * Copyright (c) 2022 lax1dude. All Rights Reserved.
+ * Copyright (c) 2022-2024 lax1dude. All Rights Reserved.
  * 
  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
@@ -25,19 +25,46 @@ public class EaglercraftRandom {
 
 	private static final double DOUBLE_UNIT = 0x1.0p-53;
 	private long seed = 69;
-
-	private static int yee = 0;
+	private final boolean enableScramble;
 
 	public EaglercraftRandom() {
 		this(PlatformRuntime.randomSeed());
 	}
 
 	public EaglercraftRandom(long seed) {
+		this(seed, true);
+	}
+
+	public EaglercraftRandom(boolean scramble) {
+		this(PlatformRuntime.randomSeed(), scramble);
+	}
+
+	/**
+	 * Older versions of EaglercraftX (and Eaglercraft) are missing the
+	 * "initialScramble" function from their setSeed function, which was what caused
+	 * world generation to not match vanilla. The "enableScramble" boolean is used
+	 * when players play on an old world created before the bug was fixed.
+	 */
+	public EaglercraftRandom(long seed, boolean scramble) {
+		enableScramble = scramble;
 		setSeed(seed);
 	}
 
+	private static long initialScramble(long seed) {
+		return (seed ^ multiplier) & mask;
+	}
+
 	public void setSeed(long yeed) {
-		seed = yeed;
+		if(enableScramble) {
+			seed = initialScramble(yeed);
+		}else {
+			seed = yeed;
+		}
+		haveNextNextGaussian = true;
+	}
+
+	public boolean isScramble() {
+		return enableScramble;
 	}
 
 	protected int next(int bits) {

src/main/java/net/lax1dude/eaglercraft/v1_8/EaglercraftVersion.java

@@ -10,7 +10,7 @@ public class EaglercraftVersion {
 	/// Customize these to fit your fork:
 	
 	public static final String projectForkName = "EaglercraftX";
-	public static final String projectForkVersion = "u32";
+	public static final String projectForkVersion = "u34";
 	public static final String projectForkVendor = "lax1dude";
 	
 	public static final String projectForkURL = "https://gitlab.com/lax1dude/eaglercraftx-1.8";
@@ -20,7 +20,7 @@ public class EaglercraftVersion {
 	public static final String projectOriginName = "EaglercraftX";
 	public static final String projectOriginAuthor = "lax1dude";
 	public static final String projectOriginRevision = "1.8";
-	public static final String projectOriginVersion = "u32";
+	public static final String projectOriginVersion = "u34";
 	
 	public static final String projectOriginURL = "https://gitlab.com/lax1dude/eaglercraftx-1.8"; // rest in peace
 	
@@ -31,7 +31,7 @@ public class EaglercraftVersion {
 	public static final boolean enableUpdateService = true;
 
 	public static final String updateBundlePackageName = "net.lax1dude.eaglercraft.v1_8.client";
-	public static final int updateBundlePackageVersionInt = 32;
+	public static final int updateBundlePackageVersionInt = 34;
 
 	public static final String updateLatestLocalStorageKey = "latestUpdate_" + updateBundlePackageName;
 

src/main/java/net/lax1dude/eaglercraft/v1_8/opengl/FixedFunctionPipeline.java

@@ -19,6 +19,7 @@ import net.lax1dude.eaglercraft.v1_8.internal.PlatformRuntime;
 import net.lax1dude.eaglercraft.v1_8.log4j.LogManager;
 import net.lax1dude.eaglercraft.v1_8.log4j.Logger;
 import net.lax1dude.eaglercraft.v1_8.opengl.StreamBuffer.StreamBufferInstance;
+import net.lax1dude.eaglercraft.v1_8.opengl.ext.dynamiclights.DynamicLightsStateManager;
 import net.lax1dude.eaglercraft.v1_8.vector.Matrix4f;
 import net.lax1dude.eaglercraft.v1_8.vector.Vector4f;
 import net.minecraft.util.MathHelper;
@@ -904,7 +905,9 @@ public class FixedFunctionPipeline {
 					_wglUniform3f(stateLightingAmbientUniform3f, r, g, b);
 				}
 			}
+		}
 		
+		if(stateEnableMCLighting || DynamicLightsStateManager.isInDynamicLightsPass()) {
 			if(!stateHasAttribNormal) {
 				serial = GlStateManager.stateNormalSerial;
 				if(stateNormalSerial != serial) {

src/main/java/net/lax1dude/eaglercraft/v1_8/opengl/GlStateManager.java

@@ -808,6 +808,22 @@ public class GlStateManager {
 		}
 	}
 
+	public static final void getFloat(int pname, FloatBuffer params) {
+		switch(pname) {
+		case GL_MODELVIEW_MATRIX:
+			modelMatrixStack[modelMatrixStackPointer].store(params);
+			break;
+		case GL_PROJECTION_MATRIX:
+			projectionMatrixStack[projectionMatrixStackPointer].store(params);
+			break;
+		case GL_TEXTURE_MATRIX:
+			textureMatrixStack[activeTexture][textureMatrixStackPointer[activeTexture]].store(params);
+			break;
+		default:
+			throw new UnsupportedOperationException("glGetFloat can only be used to retrieve matricies!");
+		}
+	}
+
 	public static final void ortho(double left, double right, double bottom, double top, double zNear, double zFar) {
 		Matrix4f matrix;
 		switch(stateMatrixMode) {

src/main/java/net/lax1dude/eaglercraft/v1_8/opengl/InstancedParticleRenderer.java

@@ -49,8 +49,8 @@ public class InstancedParticleRenderer {
 	private static IUniformGL u_matrixTransform = null;
 	private static FloatBuffer matrixCopyBuffer = null;
 	private static IUniformGL u_texCoordSize2f_particleSize1f = null;
-	private static IUniformGL u_transformParam_1_2_3_4_f = null;
-	private static IUniformGL u_transformParam_5_f = null;
+	private static IUniformGL u_transformParam_1_2_5_f = null;
+	private static IUniformGL u_transformParam_3_4_f = null;
 	private static IUniformGL u_color4f = null;
 
 	private static IBufferArrayGL vertexArray = null;
@@ -154,8 +154,8 @@ public class InstancedParticleRenderer {
 
 		u_matrixTransform = _wglGetUniformLocation(shaderProgram, "u_matrixTransform");
 		u_texCoordSize2f_particleSize1f = _wglGetUniformLocation(shaderProgram, "u_texCoordSize2f_particleSize1f");
-		u_transformParam_1_2_3_4_f = _wglGetUniformLocation(shaderProgram, "u_transformParam_1_2_3_4_f");
-		u_transformParam_5_f = _wglGetUniformLocation(shaderProgram, "u_transformParam_5_f");
+		u_transformParam_1_2_5_f = _wglGetUniformLocation(shaderProgram, "u_transformParam_1_2_5_f");
+		u_transformParam_3_4_f = _wglGetUniformLocation(shaderProgram, "u_transformParam_3_4_f");
 		u_color4f = _wglGetUniformLocation(shaderProgram, "u_color4f");
 
 		_wglUniform1i(_wglGetUniformLocation(shaderProgram, "u_inputTexture"), 0);
@@ -260,17 +260,17 @@ public class InstancedParticleRenderer {
 		}
 
 		if (transformParam1 != stateTransformParam1 || transformParam2 != stateTransformParam2
-				|| transformParam3 != stateTransformParam3 || transformParam4 != stateTransformParam4) {
-			_wglUniform4f(u_transformParam_1_2_3_4_f, transformParam1, transformParam2, transformParam3, transformParam4);
+				|| transformParam5 != stateTransformParam5) {
+			_wglUniform3f(u_transformParam_1_2_5_f, transformParam1, transformParam2, transformParam5);
 			stateTransformParam1 = transformParam1;
 			stateTransformParam2 = transformParam2;
-			stateTransformParam3 = transformParam3;
-			stateTransformParam4 = transformParam4;
+			stateTransformParam5 = transformParam5;
 		}
 
-		if (transformParam5 != stateTransformParam5) {
-			_wglUniform1f(u_transformParam_5_f, transformParam5);
-			stateTransformParam5 = transformParam5;
+		if (transformParam3 != stateTransformParam3 || transformParam4 != stateTransformParam4) {
+			_wglUniform2f(u_transformParam_3_4_f, transformParam3, transformParam4);
+			stateTransformParam3 = transformParam3;
+			stateTransformParam4 = transformParam4;
 		}
 
 		int serial = GlStateManager.stateColorSerial;
@@ -319,4 +319,8 @@ public class InstancedParticleRenderer {
 		_wglDrawArraysInstanced(GL_TRIANGLES, 0, 6, particleCount);
 	}
 
+	public static void stupidColorSetHack(IUniformGL color4f) {
+		_wglUniform4f(color4f, GlStateManager.stateColorR, GlStateManager.stateColorG, GlStateManager.stateColorB, GlStateManager.stateColorA);
+	}
+
 }

src/main/java/net/lax1dude/eaglercraft/v1_8/opengl/ext/deferred/DeferredStateManager.java

@@ -107,7 +107,7 @@ public class DeferredStateManager {
 	}
 
 	public static final boolean isInDeferredPass() {
-		return GlStateManager.isExtensionPipeline();
+		return EaglerDeferredPipeline.instance != null && GlStateManager.isExtensionPipeline();
 	}
 
 	public static final boolean isInForwardPass() {
@@ -153,10 +153,17 @@ public class DeferredStateManager {
 	}
 
 	public static final void reportForwardRenderObjectPosition2(float x, float y, float z) {
-		float posX = (float)((x + TileEntityRendererDispatcher.staticPlayerX) - (MathHelper.floor_double(TileEntityRendererDispatcher.staticPlayerX / 16.0) << 4));
-		float posY = (float)((y + TileEntityRendererDispatcher.staticPlayerY) - (MathHelper.floor_double(TileEntityRendererDispatcher.staticPlayerY / 16.0) << 4));
-		float posZ = (float)((z + TileEntityRendererDispatcher.staticPlayerZ) - (MathHelper.floor_double(TileEntityRendererDispatcher.staticPlayerZ / 16.0) << 4));
-		reportForwardRenderObjectPosition((int)posX, (int)posY, (int)posZ);
+		EaglerDeferredPipeline instance = EaglerDeferredPipeline.instance;
+		if(instance != null && enableForwardRender) {
+			EaglerDeferredConfig cfg = instance.config;
+			if(!cfg.is_rendering_dynamicLights || !cfg.shaderPackInfo.DYNAMIC_LIGHTS) {
+				return;
+			}
+			float posX = (float)((x + TileEntityRendererDispatcher.staticPlayerX) - (MathHelper.floor_double(TileEntityRendererDispatcher.staticPlayerX / 16.0) << 4));
+			float posY = (float)((y + TileEntityRendererDispatcher.staticPlayerY) - (MathHelper.floor_double(TileEntityRendererDispatcher.staticPlayerY / 16.0) << 4));
+			float posZ = (float)((z + TileEntityRendererDispatcher.staticPlayerZ) - (MathHelper.floor_double(TileEntityRendererDispatcher.staticPlayerZ / 16.0) << 4));
+			instance.loadLightSourceBucket((int)posX, (int)posY, (int)posZ);
+		}
 	}
 
 	public static final void setHDRTranslucentPassBlendFunc() {

src/main/java/net/lax1dude/eaglercraft/v1_8/opengl/ext/deferred/EaglerDeferredPipeline.java

@@ -2049,6 +2049,8 @@ public class EaglerDeferredPipeline {
 				}
 			}
 
+			truncateOverflowingLightBuffers();
+
 			DeferredStateManager.checkGLError("combineGBuffersAndIlluminate(): RENDER DYNAMIC LIGHTS");
 		}
 
@@ -2305,6 +2307,19 @@ public class EaglerDeferredPipeline {
 		return radius2 >= 0.0f;
 	}
 
+	private void truncateOverflowingLightBuffers() {
+		for(int i = 0; i < this.lightSourceBuckets.length; ++i) {
+			List<DynamicLightInstance> lst = this.lightSourceBuckets[i];
+			int k = lst.size();
+			if(k > MAX_LIGHTS_PER_CHUNK) {
+				lst.sort(comparatorLightRadius);
+				for(int l = MAX_LIGHTS_PER_CHUNK - 1; l >= MAX_LIGHTS_PER_CHUNK; --l) {
+					lst.remove(l);
+				}
+			}
+		}
+	}
+
 	public void updateLightSourceUBO() {
 		if(currentLightSourceBucket == null) {
 			currentBoundLightSourceBucket = null;
@@ -2332,7 +2347,6 @@ public class EaglerDeferredPipeline {
 		}
 	}
 
-	private static final List<DynamicLightInstance> tmpListLights = new ArrayList(32);
 	private static final Comparator<DynamicLightInstance> comparatorLightRadius = (l1, l2) -> {
 		return l1.radius < l2.radius ? 1 : -1;
 	};
@@ -2340,10 +2354,6 @@ public class EaglerDeferredPipeline {
 	private void populateLightSourceUBOFromBucket(List<DynamicLightInstance> lights) {
 		int max = lights.size();
 		if(max > MAX_LIGHTS_PER_CHUNK) {
-			tmpListLights.clear();
-			tmpListLights.addAll(lights);
-			lights = tmpListLights;
-			lights.sort(comparatorLightRadius);
 			max = MAX_LIGHTS_PER_CHUNK;
 		}
 		chunkLightingDataCopyBuffer.clear();

src/main/java/net/lax1dude/eaglercraft/v1_8/opengl/ext/deferred/ForwardAcceleratedEffectRenderer.java

@@ -124,8 +124,13 @@ public class ForwardAcceleratedEffectRenderer extends AbstractAcceleratedEffectR
 		shaderProgram.useProgram();
 
 		_wglUniform3f(shaderProgram.uniforms.u_texCoordSize2f_particleSize1f, texCoordWidth, texCoordHeight, 0.0625f);
-		_wglUniform4f(shaderProgram.uniforms.u_transformParam_1_2_3_4_f, f1, f5, f2, f3);
-		_wglUniform1f(shaderProgram.uniforms.u_transformParam_5_f, f4);
+		if(shaderProgram.uniforms.u_transformParam_1_2_5_f != null) {
+			_wglUniform3f(shaderProgram.uniforms.u_transformParam_1_2_5_f, f1, f5, f4);
+			_wglUniform2f(shaderProgram.uniforms.u_transformParam_3_4_f, f2, f3);
+		}else {
+			_wglUniform4f(shaderProgram.uniforms.u_transformParam_1_2_3_4_f, f1, f5, f2, f3);
+			_wglUniform1f(shaderProgram.uniforms.u_transformParam_5_f, f4);
+		}
 		if(isMaterialNormalTexture) {
 			_wglUniform2f(shaderProgram.uniforms.u_textureYScale2f, 0.5f, 0.5f);
 		}else {

src/main/java/net/lax1dude/eaglercraft/v1_8/opengl/ext/deferred/GBufferAcceleratedEffectRenderer.java

@@ -124,8 +124,13 @@ public class GBufferAcceleratedEffectRenderer extends AbstractAcceleratedEffectR
 		shaderProgram.useProgram();
 
 		_wglUniform3f(shaderProgram.uniforms.u_texCoordSize2f_particleSize1f, texCoordWidth, texCoordHeight, 0.0625f);
-		_wglUniform4f(shaderProgram.uniforms.u_transformParam_1_2_3_4_f, f1, f5, f2, f3);
-		_wglUniform1f(shaderProgram.uniforms.u_transformParam_5_f, f4);
+		if(shaderProgram.uniforms.u_transformParam_1_2_5_f != null) {
+			_wglUniform3f(shaderProgram.uniforms.u_transformParam_1_2_5_f, f1, f5, f4);
+			_wglUniform2f(shaderProgram.uniforms.u_transformParam_3_4_f, f2, f3);
+		}else {
+			_wglUniform4f(shaderProgram.uniforms.u_transformParam_1_2_3_4_f, f1, f5, f2, f3);
+			_wglUniform1f(shaderProgram.uniforms.u_transformParam_5_f, f4);
+		}
 		if(isMaterialNormalTexture) {
 			_wglUniform2f(shaderProgram.uniforms.u_textureYScale2f, 0.5f, 0.5f);
 		}else {

src/main/java/net/lax1dude/eaglercraft/v1_8/opengl/ext/deferred/program/PipelineShaderAccelParticleForward.java

@@ -69,6 +69,8 @@ public class PipelineShaderAccelParticleForward extends ShaderProgram<PipelineSh
 		public IUniformGL u_texCoordSize2f_particleSize1f = null;
 		public IUniformGL u_transformParam_1_2_3_4_f = null;
 		public IUniformGL u_transformParam_5_f = null;
+		public IUniformGL u_transformParam_1_2_5_f = null;
+		public IUniformGL u_transformParam_3_4_f = null;
 		public IUniformGL u_textureYScale2f = null;
 
 		public int u_chunkLightingDataBlockBinding = -1;
@@ -85,6 +87,8 @@ public class PipelineShaderAccelParticleForward extends ShaderProgram<PipelineSh
 			u_texCoordSize2f_particleSize1f = _wglGetUniformLocation(prog, "u_texCoordSize2f_particleSize1f");
 			u_transformParam_1_2_3_4_f = _wglGetUniformLocation(prog, "u_transformParam_1_2_3_4_f");
 			u_transformParam_5_f = _wglGetUniformLocation(prog, "u_transformParam_5_f");
+			u_transformParam_1_2_5_f = _wglGetUniformLocation(prog, "u_transformParam_1_2_5_f");
+			u_transformParam_3_4_f = _wglGetUniformLocation(prog, "u_transformParam_3_4_f");
 			u_textureYScale2f = _wglGetUniformLocation(prog, "u_textureYScale2f");
 			_wglUniform1i(_wglGetUniformLocation(prog, "u_diffuseTexture"), 0);
 			_wglUniform1i(_wglGetUniformLocation(prog, "u_samplerNormalMaterial"), 2);

src/main/java/net/lax1dude/eaglercraft/v1_8/opengl/ext/deferred/program/PipelineShaderAccelParticleGBuffer.java

@@ -53,6 +53,8 @@ public class PipelineShaderAccelParticleGBuffer extends ShaderProgram<PipelineSh
 		public IUniformGL u_texCoordSize2f_particleSize1f = null;
 		public IUniformGL u_transformParam_1_2_3_4_f = null;
 		public IUniformGL u_transformParam_5_f = null;
+		public IUniformGL u_transformParam_1_2_5_f = null;
+		public IUniformGL u_transformParam_3_4_f = null;
 		public IUniformGL u_textureYScale2f = null;
 
 		private Uniforms() {
@@ -64,6 +66,8 @@ public class PipelineShaderAccelParticleGBuffer extends ShaderProgram<PipelineSh
 			u_texCoordSize2f_particleSize1f = _wglGetUniformLocation(prog, "u_texCoordSize2f_particleSize1f");
 			u_transformParam_1_2_3_4_f = _wglGetUniformLocation(prog, "u_transformParam_1_2_3_4_f");
 			u_transformParam_5_f = _wglGetUniformLocation(prog, "u_transformParam_5_f");
+			u_transformParam_1_2_5_f = _wglGetUniformLocation(prog, "u_transformParam_1_2_5_f");
+			u_transformParam_3_4_f = _wglGetUniformLocation(prog, "u_transformParam_3_4_f");
 			u_textureYScale2f = _wglGetUniformLocation(prog, "u_textureYScale2f");
 			_wglUniform1i(_wglGetUniformLocation(prog, "u_diffuseTexture"), 0);
 			_wglUniform1i(_wglGetUniformLocation(prog, "u_samplerNormalMaterial"), 2);

src/main/java/net/lax1dude/eaglercraft/v1_8/opengl/ext/deferred/program/ShaderSource.java

@@ -92,6 +92,11 @@ public class ShaderSource {
 	public static final ResourceLocation post_fxaa_fsh = new ResourceLocation("eagler:glsl/deferred/post_fxaa.fsh");
 	public static final ResourceLocation hand_depth_mask_fsh = new ResourceLocation("eagler:glsl/deferred/hand_depth_mask.fsh");
 
+	public static final ResourceLocation core_dynamiclights_vsh = new ResourceLocation("eagler:glsl/dynamiclights/core_dynamiclights.vsh");
+	public static final ResourceLocation core_dynamiclights_fsh = new ResourceLocation("eagler:glsl/dynamiclights/core_dynamiclights.fsh");
+	public static final ResourceLocation accel_particle_dynamiclights_vsh = new ResourceLocation("eagler:glsl/dynamiclights/accel_particle_dynamiclights.vsh");
+	public static final ResourceLocation accel_particle_dynamiclights_fsh = new ResourceLocation("eagler:glsl/dynamiclights/accel_particle_dynamiclights.fsh");
+
 	private static final Map<ResourceLocation, String> sourceCache = new HashMap();
 
 	private static boolean isHighP = false;

src/main/java/net/lax1dude/eaglercraft/v1_8/opengl/ext/dynamiclights/DynamicLightBucketLoader.java

@@ -0,0 +1,287 @@
+package net.lax1dude.eaglercraft.v1_8.opengl.ext.dynamiclights;
+
+import static net.lax1dude.eaglercraft.v1_8.internal.PlatformOpenGL.*;
+import static net.lax1dude.eaglercraft.v1_8.opengl.RealOpenGLEnums.*;
+import static net.lax1dude.eaglercraft.v1_8.opengl.ext.deferred.ExtGLEnums.*;
+
+import java.util.ArrayList;
+import java.util.Comparator;
+import java.util.List;
+
+import net.lax1dude.eaglercraft.v1_8.EagRuntime;
+import net.lax1dude.eaglercraft.v1_8.internal.IBufferGL;
+import net.lax1dude.eaglercraft.v1_8.internal.buffer.ByteBuffer;
+import net.lax1dude.eaglercraft.v1_8.opengl.EaglercraftGPU;
+import net.lax1dude.eaglercraft.v1_8.opengl.ext.deferred.ArrayListSerial;
+import net.lax1dude.eaglercraft.v1_8.opengl.ext.deferred.EaglerDeferredPipeline;
+import net.lax1dude.eaglercraft.v1_8.opengl.ext.deferred.ListSerial;
+import net.minecraft.util.MathHelper;
+
+/**
+ * Copyright (c) 2023-2024 lax1dude. All Rights Reserved.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ * 
+ */
+public class DynamicLightBucketLoader {
+
+	public IBufferGL buffer_chunkLightingData;
+	private ByteBuffer chunkLightingDataCopyBuffer;
+	private boolean isChunkLightingEnabled = false;
+	public ListSerial<DynamicLightInstance> currentBoundLightSourceBucket;
+
+	public final ListSerial<DynamicLightInstance>[] lightSourceBuckets;
+	public ListSerial<DynamicLightInstance> currentLightSourceBucket;
+
+	public static final int MAX_LIGHTS_PER_CHUNK = 12;
+
+	private final int lightSourceBucketsWidth;
+	private final int lightSourceBucketsHeight;
+
+	private double currentRenderX = 0.0;
+	private double currentRenderY = 0.0;
+	private double currentRenderZ = 0.0;
+
+	public DynamicLightBucketLoader() {
+		this.lightSourceBucketsWidth = 5;
+		this.lightSourceBucketsHeight = 3;
+		int cnt = 5 * 3 * 5;
+		this.lightSourceBuckets = new ListSerial[cnt];
+	}
+
+	public void initialize() {
+		destroy();
+		
+		buffer_chunkLightingData = _wglGenBuffers();
+		EaglercraftGPU.bindGLUniformBuffer(buffer_chunkLightingData);
+		int lightingDataLength = 4 * MAX_LIGHTS_PER_CHUNK + 4;
+		chunkLightingDataCopyBuffer = EagRuntime.allocateByteBuffer(lightingDataLength << 2);
+		for(int i = 0; i < lightingDataLength; ++i) {
+			chunkLightingDataCopyBuffer.putInt(0);
+		}
+		chunkLightingDataCopyBuffer.flip();
+		_wglBufferData(_GL_UNIFORM_BUFFER, chunkLightingDataCopyBuffer, GL_DYNAMIC_DRAW);
+		
+		for(int i = 0; i < this.lightSourceBuckets.length; ++i) {
+			this.lightSourceBuckets[i] = new ArrayListSerial(16);
+		}
+	}
+
+	public void clearBuckets() {
+		for(int i = 0; i < this.lightSourceBuckets.length; ++i) {
+			this.lightSourceBuckets[i].clear();
+		}
+	}
+
+	public void loadLightSourceBucket(int relativeBlockX, int relativeBlockY, int relativeBlockZ) {
+		int hw = lightSourceBucketsWidth / 2;
+		int hh = lightSourceBucketsHeight / 2;
+		int bucketX = (relativeBlockX >> 4) + hw;
+		int bucketY = (relativeBlockY >> 4) + hh;
+		int bucketZ = (relativeBlockZ >> 4) + hw;
+		if(bucketX >= 0 && bucketY >= 0 && bucketZ >= 0 && bucketX < lightSourceBucketsWidth
+				&& bucketY < lightSourceBucketsHeight && bucketZ < lightSourceBucketsWidth) {
+			currentLightSourceBucket = lightSourceBuckets[bucketY * lightSourceBucketsWidth * lightSourceBucketsWidth
+					+ bucketZ * lightSourceBucketsWidth + bucketX];
+		}else {
+			currentLightSourceBucket = null;
+		}
+		updateLightSourceUBO();
+	}
+
+	public ListSerial<DynamicLightInstance> getLightSourceBucketRelativeChunkCoords(int cx, int cy, int cz) {
+		int hw = lightSourceBucketsWidth / 2;
+		int hh = lightSourceBucketsHeight / 2;
+		cx += hw;
+		cy += hh;
+		cz += hw;
+		if(cx < 0 || cx >= lightSourceBucketsWidth || cy < 0 || cy >= lightSourceBucketsHeight || cz < 0
+				|| cz >= lightSourceBucketsWidth) {
+			return null;
+		}else {
+			return lightSourceBuckets[cy * lightSourceBucketsWidth * lightSourceBucketsWidth
+					+ cz * lightSourceBucketsWidth + cx];
+		}
+	}
+
+	public void addLightSourceToBucket(int cx, int cy, int cz, DynamicLightInstance dl) {
+		ListSerial<DynamicLightInstance> lst = getLightSourceBucketRelativeChunkCoords(cx, cy, cz);
+		if(lst != null) {
+			lst.add(dl);
+		}
+	}
+
+	public void bucketLightSource(float x, float y, float z, DynamicLightInstance dl) {
+		int bucketX = MathHelper.floor_float(x / 16.0f);
+		int bucketY = MathHelper.floor_float(y / 16.0f);
+		int bucketZ = MathHelper.floor_float(z / 16.0f);
+		addLightSourceToBucket(bucketX, bucketY, bucketZ, dl);
+		int minX = bucketX, maxX = bucketX;
+		int minY = bucketY, maxY = bucketY;
+		int minZ = bucketZ, maxZ = bucketZ;
+		float lightLocalX = x - (bucketX << 4);
+		float lightLocalY = y - (bucketY << 4);
+		float lightLocalZ = z - (bucketZ << 4);
+		float radius = dl.radius;
+		boolean outOfBounds = false;
+		if(lightLocalX - radius < 0.0f) {
+			minX -= 1;
+			outOfBounds = true;
+			addLightSourceToBucket(bucketX - 1, bucketY, bucketZ, dl);
+		}
+		if(lightLocalY - radius < 0.0f) {
+			minY -= 1;
+			outOfBounds = true;
+			addLightSourceToBucket(bucketX, bucketY - 1, bucketZ, dl);
+		}
+		if(lightLocalZ - radius < 0.0f) {
+			minZ -= 1;
+			outOfBounds = true;
+			addLightSourceToBucket(bucketX, bucketY, bucketZ - 1, dl);
+		}
+		if(lightLocalX + radius >= 16.0f) {
+			maxX += 1;
+			outOfBounds = true;
+			addLightSourceToBucket(bucketX + 1, bucketY, bucketZ, dl);
+		}
+		if(lightLocalY + radius >= 16.0f) {
+			maxY += 1;
+			outOfBounds = true;
+			addLightSourceToBucket(bucketX, bucketY + 1, bucketZ, dl);
+		}
+		if(lightLocalZ + radius >= 16.0f) {
+			maxZ += 1;
+			outOfBounds = true;
+			addLightSourceToBucket(bucketX, bucketY, bucketZ + 1, dl);
+		}
+		if(!outOfBounds) {
+			return;
+		}
+		radius *= radius;
+		for(int yy = minY; yy <= maxY; ++yy) {
+			for(int zz = minZ; zz <= maxZ; ++zz) {
+				for(int xx = minX; xx <= maxX; ++xx) {
+					if((xx == bucketX ? 1 : 0) + (yy == bucketY ? 1 : 0) + (zz == bucketZ ? 1 : 0) > 1) {
+						continue;
+					}
+					List<DynamicLightInstance> lst = getLightSourceBucketRelativeChunkCoords(xx, yy, zz);
+					if(lst != null) {
+						int bucketBoundsX = xx << 4;
+						int bucketBoundsY = yy << 4;
+						int bucketBoundsZ = zz << 4;
+						if (EaglerDeferredPipeline.testAabSphere(bucketBoundsX, bucketBoundsY, bucketBoundsZ,
+								bucketBoundsX + 16, bucketBoundsY + 16, bucketBoundsZ + 16, x, y, z, radius)) {
+							lst.add(dl);
+						}
+					}
+				}
+			}
+		}
+	}
+
+	public void truncateOverflowingBuffers() {
+		for(int i = 0; i < this.lightSourceBuckets.length; ++i) {
+			List<DynamicLightInstance> lst = this.lightSourceBuckets[i];
+			int k = lst.size();
+			if(k > MAX_LIGHTS_PER_CHUNK) {
+				lst.sort(comparatorLightRadius);
+				for(int l = MAX_LIGHTS_PER_CHUNK - 1; l >= MAX_LIGHTS_PER_CHUNK; --l) {
+					lst.remove(l);
+				}
+			}
+		}
+	}
+
+	public void updateLightSourceUBO() {
+		if(currentLightSourceBucket == null) {
+			currentBoundLightSourceBucket = null;
+			if(isChunkLightingEnabled) {
+				isChunkLightingEnabled = false;
+				EaglercraftGPU.bindGLUniformBuffer(buffer_chunkLightingData);
+				chunkLightingDataCopyBuffer.clear();
+				chunkLightingDataCopyBuffer.putInt(0);
+				chunkLightingDataCopyBuffer.flip();
+				_wglBufferSubData(_GL_UNIFORM_BUFFER, 0, chunkLightingDataCopyBuffer);
+			}
+		}else {
+			boolean isNew;
+			if(!isChunkLightingEnabled) {
+				isChunkLightingEnabled = true;
+				isNew = true;
+			}else {
+				isNew = currentLightSourceBucket != currentBoundLightSourceBucket;
+			}
+			currentBoundLightSourceBucket = currentLightSourceBucket;
+			if(isNew || currentBoundLightSourceBucket.eaglerCheck()) {
+				populateLightSourceUBOFromBucket(currentBoundLightSourceBucket);
+				currentBoundLightSourceBucket.eaglerResetCheck();
+			}
+		}
+	}
+
+	private static final Comparator<DynamicLightInstance> comparatorLightRadius = (l1, l2) -> {
+		return l1.radius < l2.radius ? 1 : -1;
+	};
+
+	private void populateLightSourceUBOFromBucket(List<DynamicLightInstance> lights) {
+		int max = lights.size();
+		if(max > MAX_LIGHTS_PER_CHUNK) {
+			//tmpListLights.clear();
+			//tmpListLights.addAll(lights);
+			//lights = tmpListLights;
+			//lights.sort(comparatorLightRadius);
+			max = MAX_LIGHTS_PER_CHUNK;
+		}
+		chunkLightingDataCopyBuffer.clear();
+		chunkLightingDataCopyBuffer.putInt(max);
+		if(max > 0) {
+			chunkLightingDataCopyBuffer.putInt(0); //padding
+			chunkLightingDataCopyBuffer.putInt(0); //padding
+			chunkLightingDataCopyBuffer.putInt(0); //padding
+			for(int i = 0; i < max; ++i) {
+				DynamicLightInstance dl = lights.get(i);
+				chunkLightingDataCopyBuffer.putFloat((float)(dl.posX - currentRenderX));
+				chunkLightingDataCopyBuffer.putFloat((float)(dl.posY - currentRenderY));
+				chunkLightingDataCopyBuffer.putFloat((float)(dl.posZ - currentRenderZ));
+				chunkLightingDataCopyBuffer.putFloat(dl.radius);
+			}
+		}
+		chunkLightingDataCopyBuffer.flip();
+		EaglercraftGPU.bindGLUniformBuffer(buffer_chunkLightingData);
+		_wglBufferSubData(_GL_UNIFORM_BUFFER, 0, chunkLightingDataCopyBuffer);
+	}
+
+	public void setRenderPos(double currentRenderX, double currentRenderY, double currentRenderZ) {
+		this.currentRenderX = currentRenderX;
+		this.currentRenderY = currentRenderY;
+		this.currentRenderZ = currentRenderZ;
+	}
+
+	public void bindUniformBuffer(int index) {
+		EaglercraftGPU.bindGLUniformBuffer(buffer_chunkLightingData);
+		EaglercraftGPU.bindUniformBufferRange(index, buffer_chunkLightingData, 0, chunkLightingDataCopyBuffer.capacity());
+	}
+
+	public void destroy() {
+		if(chunkLightingDataCopyBuffer != null) {
+			EagRuntime.freeByteBuffer(chunkLightingDataCopyBuffer);
+			chunkLightingDataCopyBuffer = null;
+		}
+		if(buffer_chunkLightingData != null) {
+			_wglDeleteBuffers(buffer_chunkLightingData);
+			buffer_chunkLightingData = null;
+		}
+		for(int i = 0; i < this.lightSourceBuckets.length; ++i) {
+			this.lightSourceBuckets[i] = null;
+		}
+	}
+}

src/main/java/net/lax1dude/eaglercraft/v1_8/opengl/ext/dynamiclights/DynamicLightInstance.java

@@ -0,0 +1,48 @@
+package net.lax1dude.eaglercraft.v1_8.opengl.ext.dynamiclights;
+
+/**
+ * Copyright (c) 2024 lax1dude. All Rights Reserved.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ * 
+ */
+class DynamicLightInstance {
+
+	public final String lightName;
+	long lastCacheHit = 0l;
+
+	double posX;
+	double posY;
+	double posZ;
+	float radius;
+
+	public DynamicLightInstance(String lightName) {
+		this.lightName = lightName;
+	}
+
+	public void updateLight(double posX, double posY, double posZ, float radius) {
+		this.lastCacheHit = System.currentTimeMillis();
+		this.posX = posX;
+		this.posY = posY;
+		this.posZ = posZ;
+		this.radius = radius;
+	}
+
+	public void destroy() {
+		
+	}
+
+	public float getRadiusInWorld() {
+		return radius;
+	}
+
+}

src/main/java/net/lax1dude/eaglercraft/v1_8/opengl/ext/dynamiclights/DynamicLightsAcceleratedEffectRenderer.java

@@ -0,0 +1,230 @@
+package net.lax1dude.eaglercraft.v1_8.opengl.ext.dynamiclights;
+
+import static net.lax1dude.eaglercraft.v1_8.internal.PlatformOpenGL.*;
+import static net.lax1dude.eaglercraft.v1_8.opengl.RealOpenGLEnums.*;
+
+import net.lax1dude.eaglercraft.v1_8.EagRuntime;
+import net.lax1dude.eaglercraft.v1_8.internal.IBufferArrayGL;
+import net.lax1dude.eaglercraft.v1_8.internal.IBufferGL;
+import net.lax1dude.eaglercraft.v1_8.internal.buffer.ByteBuffer;
+import net.lax1dude.eaglercraft.v1_8.internal.buffer.FloatBuffer;
+import net.lax1dude.eaglercraft.v1_8.log4j.LogManager;
+import net.lax1dude.eaglercraft.v1_8.log4j.Logger;
+import net.lax1dude.eaglercraft.v1_8.opengl.EaglercraftGPU;
+import net.lax1dude.eaglercraft.v1_8.opengl.GlStateManager;
+import net.lax1dude.eaglercraft.v1_8.opengl.InstancedParticleRenderer;
+import net.lax1dude.eaglercraft.v1_8.opengl.ext.deferred.AbstractAcceleratedEffectRenderer;
+import net.lax1dude.eaglercraft.v1_8.opengl.ext.dynamiclights.program.DynamicLightsAccelParticleShader;
+import net.minecraft.client.Minecraft;
+import net.minecraft.client.renderer.GLAllocation;
+import net.minecraft.entity.Entity;
+import net.minecraft.util.MathHelper;
+
+/**
+ * Copyright (c) 2024 lax1dude. All Rights Reserved.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ * 
+ */
+public class DynamicLightsAcceleratedEffectRenderer extends AbstractAcceleratedEffectRenderer {
+
+	private static final Logger logger = LogManager.getLogger("DynamicLightsAcceleratedEffectRenderer");
+
+	private ByteBuffer particleBuffer = null;
+	private int particleCount = 0;
+	private boolean particlesHasOverflowed = false;
+
+	private static final int BYTES_PER_PARTICLE = 24;
+	private static final int PARTICLE_LIMIT = 5461;
+
+	private DynamicLightsAccelParticleShader shaderProgram = null;
+
+	private IBufferArrayGL vertexArray = null;
+	private IBufferGL vertexBuffer = null;
+
+	private IBufferGL instancesBuffer = null;
+
+	private float f1;
+	private float f2;
+	private float f3;
+	private float f4;
+	private float f5;
+
+	public static boolean isMaterialNormalTexture = false;
+
+	public void initialize() {
+		destroy();
+
+		if(DynamicLightsPipelineCompiler.matrixCopyBuffer == null) {
+			DynamicLightsPipelineCompiler.matrixCopyBuffer = GLAllocation.createDirectFloatBuffer(16);
+		}
+
+		shaderProgram = DynamicLightsAccelParticleShader.compile();
+		shaderProgram.loadUniforms();
+
+		particleBuffer = EagRuntime.allocateByteBuffer(PARTICLE_LIMIT * BYTES_PER_PARTICLE);
+
+		vertexArray = _wglGenVertexArrays();
+		vertexBuffer = _wglGenBuffers();
+		instancesBuffer = _wglGenBuffers();
+
+		FloatBuffer verts = EagRuntime.allocateFloatBuffer(12);
+		verts.put(new float[] {
+				-1.0f, -1.0f,  -1.0f,  1.0f,   1.0f, -1.0f,
+				-1.0f,  1.0f,   1.0f,  1.0f,   1.0f, -1.0f
+		});
+		verts.flip();
+
+		EaglercraftGPU.bindGLBufferArray(vertexArray);
+
+		EaglercraftGPU.bindGLArrayBuffer(vertexBuffer);
+		_wglBufferData(GL_ARRAY_BUFFER, verts, GL_STATIC_DRAW);
+
+		EagRuntime.freeFloatBuffer(verts);
+
+		_wglEnableVertexAttribArray(0);
+		_wglVertexAttribPointer(0, 2, GL_FLOAT, false, 8, 0);
+		_wglVertexAttribDivisor(0, 0);
+
+		EaglercraftGPU.bindGLArrayBuffer(instancesBuffer);
+		_wglBufferData(GL_ARRAY_BUFFER, particleBuffer.remaining(), GL_STREAM_DRAW);
+
+		_wglEnableVertexAttribArray(1);
+		_wglVertexAttribPointer(1, 3, GL_FLOAT, false, 24, 0);
+		_wglVertexAttribDivisor(1, 1);
+
+		_wglEnableVertexAttribArray(2);
+		_wglVertexAttribPointer(2, 2, GL_UNSIGNED_SHORT, false, 24, 12);
+		_wglVertexAttribDivisor(2, 1);
+
+		_wglEnableVertexAttribArray(3);
+		_wglVertexAttribPointer(3, 2, GL_UNSIGNED_BYTE, true, 24, 16);
+		_wglVertexAttribDivisor(3, 1);
+
+		_wglEnableVertexAttribArray(4);
+		_wglVertexAttribPointer(4, 2, GL_UNSIGNED_BYTE, false, 24, 18);
+		_wglVertexAttribDivisor(4, 1);
+
+		_wglEnableVertexAttribArray(5);
+		_wglVertexAttribPointer(5, 4, GL_UNSIGNED_BYTE, true, 24, 20);
+		_wglVertexAttribDivisor(5, 1);
+
+	}
+
+	@Override
+	public void draw(float texCoordWidth, float texCoordHeight) {
+		if(particleCount == 0) {
+			return;
+		}
+	
+		shaderProgram.useProgram();
+
+		_wglUniform3f(shaderProgram.uniforms.u_texCoordSize2f_particleSize1f, texCoordWidth, texCoordHeight, 0.0625f);
+		_wglUniform3f(shaderProgram.uniforms.u_transformParam_1_2_5_f, f1, f5, f4);
+		_wglUniform2f(shaderProgram.uniforms.u_transformParam_3_4_f, f2, f3);
+		InstancedParticleRenderer.stupidColorSetHack(shaderProgram.uniforms.u_color4f);
+
+		FloatBuffer buf = DynamicLightsPipelineCompiler.matrixCopyBuffer;
+		buf.clear();
+		GlStateManager.getFloat(GL_MODELVIEW_MATRIX, buf);
+		buf.flip();
+		_wglUniformMatrix4fv(shaderProgram.uniforms.u_modelViewMatrix4f, false, buf);
+		buf.clear();
+		GlStateManager.getFloat(GL_PROJECTION_MATRIX, buf);
+		buf.flip();
+		_wglUniformMatrix4fv(shaderProgram.uniforms.u_projectionMatrix4f, false, buf);
+		buf.clear();
+		DynamicLightsStateManager.inverseViewMatrix.store(buf);
+		buf.flip();
+		_wglUniformMatrix4fv(shaderProgram.uniforms.u_inverseViewMatrix4f, false, buf);
+
+		EaglercraftGPU.bindGLArrayBuffer(instancesBuffer);
+		EaglercraftGPU.bindGLBufferArray(vertexArray);
+
+		int p = particleBuffer.position();
+		int l = particleBuffer.limit();
+
+		particleBuffer.flip();
+		_wglBufferSubData(GL_ARRAY_BUFFER, 0, particleBuffer);
+
+		particleBuffer.position(p);
+		particleBuffer.limit(l);
+
+		_wglDrawArraysInstanced(GL_TRIANGLES, 0, 6, particleCount);
+	}
+
+	@Override
+	public void begin(float partialTicks) {
+		this.partialTicks = partialTicks;
+
+		particleBuffer.clear();
+		particleCount = 0;
+		particlesHasOverflowed = false;
+
+		Entity et = Minecraft.getMinecraft().getRenderViewEntity();
+		if(et != null) {
+			f1 = MathHelper.cos(et.rotationYaw * 0.017453292F);
+			f2 = MathHelper.sin(et.rotationYaw * 0.017453292F);
+			f3 = -f2 * MathHelper.sin(et.rotationPitch * 0.017453292F);
+			f4 = f1 * MathHelper.sin(et.rotationPitch * 0.017453292F);
+			f5 = MathHelper.cos(et.rotationPitch * 0.017453292F);
+		}
+	}
+
+	@Override
+	public void drawParticle(float posX, float posY, float posZ, int particleIndexX, int particleIndexY,
+			int lightMapData, int texSize, float particleSize, int rgba) {
+		if(particlesHasOverflowed) {
+			return;
+		}
+		if(particleCount >= PARTICLE_LIMIT) {
+			particlesHasOverflowed = true;
+			logger.error("Particle buffer has overflowed! Exceeded {} particles, no more particles will be rendered.", PARTICLE_LIMIT);
+			return;
+		}
+		++particleCount;
+		ByteBuffer buf = particleBuffer;
+		buf.putFloat(posX);
+		buf.putFloat(posY);
+		buf.putFloat(posZ);
+		buf.putShort((short)particleIndexX);
+		buf.putShort((short)particleIndexY);
+		buf.put((byte)(lightMapData & 0xFF));
+		buf.put((byte)((lightMapData >> 16) & 0xFF));
+		buf.put((byte)(particleSize * 16.0f));
+		buf.put((byte)texSize);
+		buf.putInt(rgba);
+	}
+
+	public void destroy() {
+		if(particleBuffer != null) {
+			EagRuntime.freeByteBuffer(particleBuffer);
+			particleBuffer = null;
+		}
+		if(shaderProgram != null) {
+			shaderProgram.destroy();
+			shaderProgram = null;
+		}
+		if(vertexArray != null) {
+			_wglDeleteVertexArrays(vertexArray);
+			vertexArray = null;
+		}
+		if(vertexBuffer != null) {
+			_wglDeleteBuffers(vertexBuffer);
+			vertexBuffer = null;
+		}
+		if(instancesBuffer != null) {
+			_wglDeleteBuffers(instancesBuffer);
+			instancesBuffer = null;
+		}
+	}
+}

src/main/java/net/lax1dude/eaglercraft/v1_8/opengl/ext/dynamiclights/DynamicLightsPipelineCompiler.java

@@ -0,0 +1,105 @@
+package net.lax1dude.eaglercraft.v1_8.opengl.ext.dynamiclights;
+
+import static net.lax1dude.eaglercraft.v1_8.internal.PlatformOpenGL.*;
+
+import net.lax1dude.eaglercraft.v1_8.internal.IProgramGL;
+import net.lax1dude.eaglercraft.v1_8.internal.buffer.FloatBuffer;
+import net.lax1dude.eaglercraft.v1_8.opengl.FixedFunctionShader.FixedFunctionState;
+import net.lax1dude.eaglercraft.v1_8.opengl.IExtPipelineCompiler;
+import net.lax1dude.eaglercraft.v1_8.opengl.ext.deferred.program.ShaderSource;
+import net.lax1dude.eaglercraft.v1_8.opengl.ext.dynamiclights.program.DynamicLightsExtPipelineShader;
+import net.lax1dude.eaglercraft.v1_8.vector.Matrix4f;
+import net.minecraft.client.renderer.GLAllocation;
+
+/**
+ * Copyright (c) 2024 lax1dude. All Rights Reserved.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ * 
+ */
+public class DynamicLightsPipelineCompiler implements IExtPipelineCompiler {
+
+	static FloatBuffer matrixCopyBuffer = null;
+
+	private static class PipelineInstance {
+
+		private final int coreBits;
+		private final int extBits;
+
+		private DynamicLightsExtPipelineShader shader;
+
+		public PipelineInstance(int coreBits, int extBits) {
+			this.coreBits = coreBits;
+			this.extBits = extBits;
+		}
+
+	}
+
+	@Override
+	public String[] getShaderSource(int stateCoreBits, int stateExtBits, Object[] userPointer) {
+		if(matrixCopyBuffer == null) {
+			matrixCopyBuffer = GLAllocation.createDirectFloatBuffer(16);
+		}
+		userPointer[0] = new PipelineInstance(stateCoreBits, stateExtBits);
+		return new String[] {
+			ShaderSource.getSourceFor(ShaderSource.core_dynamiclights_vsh),
+			ShaderSource.getSourceFor(ShaderSource.core_dynamiclights_fsh)
+		};
+	}
+
+	@Override
+	public int getExtensionStatesCount() {
+		return 0;
+	}
+
+	@Override
+	public int getCurrentExtensionStateBits(int stateCoreBits) {
+		return 0;
+	}
+
+	@Override
+	public int getCoreStateMask(int stateExtBits) {
+		return 0xFFFFFFFF;
+	}
+
+	@Override
+	public void initializeNewShader(IProgramGL compiledProg, int stateCoreBits, int stateExtBits,
+			Object[] userPointer) {
+		DynamicLightsExtPipelineShader newShader = new DynamicLightsExtPipelineShader(compiledProg, stateCoreBits);
+		((PipelineInstance)userPointer[0]).shader = newShader;
+		newShader.loadUniforms();
+	}
+
+	@Override
+	public void updatePipeline(IProgramGL compiledProg, int stateCoreBits, int stateExtBits, Object[] userPointer) {
+		if((stateCoreBits & FixedFunctionState.STATE_ENABLE_LIGHTMAP) != 0) {
+			DynamicLightsExtPipelineShader.Uniforms uniforms = ((PipelineInstance)userPointer[0]).shader.uniforms;
+			if(uniforms.u_inverseViewMatrix4f != null) {
+				int serial = DynamicLightsStateManager.inverseViewMatrixSerial;
+				if(uniforms.inverseViewMatrixSerial != serial) {
+					uniforms.inverseViewMatrixSerial = serial;
+					FloatBuffer buf = matrixCopyBuffer;
+					buf.clear();
+					DynamicLightsStateManager.inverseViewMatrix.store(buf);
+					buf.flip();
+					_wglUniformMatrix4fv(uniforms.u_inverseViewMatrix4f, false, buf);
+				}
+			}
+		}
+	}
+
+	@Override
+	public void destroyPipeline(IProgramGL shaderProgram, int stateCoreBits, int stateExtBits, Object[] userPointer) {
+		
+	}
+
+}

src/main/java/net/lax1dude/eaglercraft/v1_8/opengl/ext/dynamiclights/DynamicLightsStateManager.java

@@ -0,0 +1,169 @@
+package net.lax1dude.eaglercraft.v1_8.opengl.ext.dynamiclights;
+
+import java.util.HashMap;
+import java.util.Iterator;
+import java.util.LinkedList;
+import java.util.List;
+import java.util.Map;
+
+import net.lax1dude.eaglercraft.v1_8.opengl.FixedFunctionPipeline;
+import net.lax1dude.eaglercraft.v1_8.opengl.GlStateManager;
+import net.lax1dude.eaglercraft.v1_8.vector.Matrix4f;
+import net.minecraft.client.particle.EffectRenderer;
+import net.minecraft.client.renderer.tileentity.TileEntityRendererDispatcher;
+import net.minecraft.util.MathHelper;
+
+/**
+ * Copyright (c) 2024 lax1dude. All Rights Reserved.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ * 
+ */
+public class DynamicLightsStateManager {
+
+	static final DynamicLightsPipelineCompiler deferredExtPipeline = new DynamicLightsPipelineCompiler();
+	static final Map<String, DynamicLightInstance> lightRenderers = new HashMap();
+	static final List<DynamicLightInstance> lightRenderList = new LinkedList();
+	static final Matrix4f inverseViewMatrix = new Matrix4f();
+	static int inverseViewMatrixSerial = 0;
+	static DynamicLightBucketLoader bucketLoader = null;
+	static DynamicLightsAcceleratedEffectRenderer accelParticleRenderer = null;
+	static int lastTotal = 0;
+	static long renderTimeout = 5000l;
+	private static long lastTick = 0l;
+
+	public static final void enableDynamicLightsRender() {
+		if(bucketLoader == null) {
+			bucketLoader = new DynamicLightBucketLoader();
+			bucketLoader.initialize();
+			bucketLoader.bindUniformBuffer(0);
+			FixedFunctionPipeline.loadExtensionPipeline(deferredExtPipeline);
+		}
+		if(accelParticleRenderer == null) {
+			accelParticleRenderer = new DynamicLightsAcceleratedEffectRenderer();
+			accelParticleRenderer.initialize();
+		}
+	}
+
+	public static final void bindAcceleratedEffectRenderer(EffectRenderer renderer) {
+		renderer.acceleratedParticleRenderer = accelParticleRenderer;
+	}
+
+	public static final void disableDynamicLightsRender(boolean unloadPipeline) {
+		if(bucketLoader != null) {
+			bucketLoader.destroy();
+			bucketLoader = null;
+			if(unloadPipeline) {
+				FixedFunctionPipeline.loadExtensionPipeline(null);
+			}
+		}
+		if(accelParticleRenderer != null) {
+			accelParticleRenderer.destroy();
+			accelParticleRenderer = null;
+		}
+		destroyAll();
+		lightRenderList.clear();
+	}
+
+	public static final boolean isDynamicLightsRender() {
+		return bucketLoader != null;
+	}
+
+	public static final boolean isInDynamicLightsPass() {
+		return GlStateManager.isExtensionPipeline() && bucketLoader != null;
+	}
+
+	public static final void reportForwardRenderObjectPosition(int centerX, int centerY, int centerZ) {
+		if(bucketLoader != null) {
+			bucketLoader.loadLightSourceBucket(centerX, centerY, centerZ);
+		}
+	}
+
+	public static final void reportForwardRenderObjectPosition2(float x, float y, float z) {
+		if(bucketLoader != null) {
+			float posX = (float)((x + TileEntityRendererDispatcher.staticPlayerX) - (MathHelper.floor_double(TileEntityRendererDispatcher.staticPlayerX / 16.0) << 4));
+			float posY = (float)((y + TileEntityRendererDispatcher.staticPlayerY) - (MathHelper.floor_double(TileEntityRendererDispatcher.staticPlayerY / 16.0) << 4));
+			float posZ = (float)((z + TileEntityRendererDispatcher.staticPlayerZ) - (MathHelper.floor_double(TileEntityRendererDispatcher.staticPlayerZ / 16.0) << 4));
+			bucketLoader.loadLightSourceBucket((int)posX, (int)posY, (int)posZ);
+		}
+	}
+
+	public static final void renderDynamicLight(String lightName, double posX, double posY, double posZ, float radius) {
+		if(bucketLoader != null) {
+			DynamicLightInstance dl = lightRenderers.get(lightName);
+			if(dl == null) {
+				lightRenderers.put(lightName, dl = new DynamicLightInstance(lightName));
+			}
+			dl.updateLight(posX, posY, posZ, radius);
+			lightRenderList.add(dl);
+		}
+	}
+
+	public static final void clearRenderList() {
+		lightRenderList.clear();
+	}
+
+	public static final void commitLightSourceBuckets(double renderPosX, double renderPosY, double renderPosZ) {
+		updateTimers();
+		lastTotal = lightRenderList.size();
+		if(bucketLoader != null) {
+			bucketLoader.clearBuckets();
+			int entityChunkOriginX = MathHelper.floor_double(renderPosX / 16.0) << 4;
+			int entityChunkOriginY = MathHelper.floor_double(renderPosY / 16.0) << 4;
+			int entityChunkOriginZ = MathHelper.floor_double(renderPosZ / 16.0) << 4;
+			Iterator<DynamicLightInstance> itr = lightRenderList.iterator();
+			while(itr.hasNext()) {
+				DynamicLightInstance dl = itr.next();
+				float lightChunkPosX = (float)(dl.posX - entityChunkOriginX);
+				float lightChunkPosY = (float)(dl.posY - entityChunkOriginY);
+				float lightChunkPosZ = (float)(dl.posZ - entityChunkOriginZ);
+				bucketLoader.bucketLightSource(lightChunkPosX, lightChunkPosY, lightChunkPosZ, dl);
+			}
+			bucketLoader.setRenderPos(renderPosX, renderPosY, renderPosZ);
+			bucketLoader.truncateOverflowingBuffers();
+		}
+		lightRenderList.clear();
+	}
+
+	public static final void setupInverseViewMatrix() {
+		Matrix4f.invert(GlStateManager.getModelViewReference(), inverseViewMatrix);
+		inverseViewMatrixSerial = GlStateManager.getModelViewSerial();
+	}
+
+	private static final void updateTimers() {
+		long millis = System.currentTimeMillis();
+		if(millis - lastTick > 1000l) {
+			lastTick = millis;
+			Iterator<DynamicLightInstance> itr = lightRenderers.values().iterator();
+			while(itr.hasNext()) {
+				DynamicLightInstance dl = itr.next();
+				if(millis - dl.lastCacheHit > renderTimeout) {
+					dl.destroy();
+					itr.remove();
+				}
+			}
+		}
+	}
+
+	public static final void destroyAll() {
+		Iterator<DynamicLightInstance> itr = lightRenderers.values().iterator();
+		while(itr.hasNext()) {
+			itr.next().destroy();
+		}
+		lightRenderers.clear();
+	}
+
+	public static String getF3String() {
+		return "DynamicLightsTotal: " + lastTotal;
+	}
+
+}

src/main/java/net/lax1dude/eaglercraft/v1_8/opengl/ext/dynamiclights/program/DynamicLightsAccelParticleShader.java

@@ -0,0 +1,95 @@
+package net.lax1dude.eaglercraft.v1_8.opengl.ext.dynamiclights.program;
+
+import static net.lax1dude.eaglercraft.v1_8.internal.PlatformOpenGL.*;
+import static net.lax1dude.eaglercraft.v1_8.opengl.RealOpenGLEnums.GL_FRAGMENT_SHADER;
+import static net.lax1dude.eaglercraft.v1_8.opengl.RealOpenGLEnums.GL_VERTEX_SHADER;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import net.lax1dude.eaglercraft.v1_8.internal.IProgramGL;
+import net.lax1dude.eaglercraft.v1_8.internal.IShaderGL;
+import net.lax1dude.eaglercraft.v1_8.internal.IUniformGL;
+import net.lax1dude.eaglercraft.v1_8.opengl.ext.deferred.program.IProgramUniforms;
+import net.lax1dude.eaglercraft.v1_8.opengl.ext.deferred.program.ShaderCompiler;
+import net.lax1dude.eaglercraft.v1_8.opengl.ext.deferred.program.ShaderProgram;
+import net.lax1dude.eaglercraft.v1_8.opengl.ext.deferred.program.ShaderSource;
+
+/**
+ * Copyright (c) 2024 lax1dude. All Rights Reserved.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ * 
+ */
+public class DynamicLightsAccelParticleShader extends ShaderProgram<DynamicLightsAccelParticleShader.Uniforms> {
+
+	public static DynamicLightsAccelParticleShader compile() {
+		IShaderGL accelParticleVSH = ShaderCompiler.compileShader("accel_particle_dynamiclights", GL_VERTEX_SHADER,
+				ShaderSource.accel_particle_dynamiclights_vsh);
+		IShaderGL accelParticleFSH = null;
+		try {
+			accelParticleFSH = ShaderCompiler.compileShader("accel_particle_dynamiclights", GL_FRAGMENT_SHADER,
+					ShaderSource.accel_particle_dynamiclights_fsh);
+			IProgramGL prog = ShaderCompiler.linkProgram("accel_particle_dynamiclights", accelParticleVSH, accelParticleFSH);
+			return new DynamicLightsAccelParticleShader(prog);
+		}finally {
+			if(accelParticleVSH != null) {
+				accelParticleVSH.free();
+			}
+			if(accelParticleFSH != null) {
+				accelParticleFSH.free();
+			}
+		}
+	}
+
+	private DynamicLightsAccelParticleShader(IProgramGL prog) {
+		super(prog, new Uniforms());
+	}
+
+	public static class Uniforms implements IProgramUniforms {
+
+		public IUniformGL u_color4f = null;
+		public IUniformGL u_modelViewMatrix4f = null;
+		public IUniformGL u_projectionMatrix4f = null;
+		public IUniformGL u_inverseViewMatrix4f = null;
+		public IUniformGL u_texCoordSize2f_particleSize1f = null;
+		public IUniformGL u_transformParam_1_2_5_f = null;
+		public IUniformGL u_transformParam_3_4_f = null;
+
+		public int u_chunkLightingDataBlockBinding = -1;
+
+		private Uniforms() {
+		}
+
+		@Override
+		public void loadUniforms(IProgramGL prog) {
+			u_modelViewMatrix4f = _wglGetUniformLocation(prog, "u_modelViewMatrix4f");
+			u_projectionMatrix4f = _wglGetUniformLocation(prog, "u_projectionMatrix4f");
+			u_inverseViewMatrix4f = _wglGetUniformLocation(prog, "u_inverseViewMatrix4f");
+			u_texCoordSize2f_particleSize1f = _wglGetUniformLocation(prog, "u_texCoordSize2f_particleSize1f");
+			u_transformParam_1_2_5_f = _wglGetUniformLocation(prog, "u_transformParam_1_2_5_f");
+			u_transformParam_3_4_f = _wglGetUniformLocation(prog, "u_transformParam_3_4_f");
+			u_color4f = _wglGetUniformLocation(prog, "u_color4f");
+			_wglUniform1i(_wglGetUniformLocation(prog, "u_inputTexture"), 0);
+			_wglUniform1i(_wglGetUniformLocation(prog, "u_lightmapTexture"), 1);
+			int blockIndex = _wglGetUniformBlockIndex(prog, "u_chunkLightingData");
+			if(blockIndex != -1) {
+				_wglUniformBlockBinding(prog, blockIndex, 0);
+				u_chunkLightingDataBlockBinding = 0;
+			}else {
+				u_chunkLightingDataBlockBinding = -1;
+			}
+		}
+
+	}
+
+}

src/main/java/net/lax1dude/eaglercraft/v1_8/opengl/ext/dynamiclights/program/DynamicLightsExtPipelineShader.java

@@ -0,0 +1,58 @@
+package net.lax1dude.eaglercraft.v1_8.opengl.ext.dynamiclights.program;
+
+import static net.lax1dude.eaglercraft.v1_8.internal.PlatformOpenGL.*;
+
+import net.lax1dude.eaglercraft.v1_8.internal.IProgramGL;
+import net.lax1dude.eaglercraft.v1_8.internal.IUniformGL;
+import net.lax1dude.eaglercraft.v1_8.opengl.ext.deferred.program.IProgramUniforms;
+import net.lax1dude.eaglercraft.v1_8.opengl.ext.deferred.program.ShaderProgram;
+
+/**
+ * Copyright (c) 2024 lax1dude. All Rights Reserved.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ * 
+ */
+public class DynamicLightsExtPipelineShader extends ShaderProgram<DynamicLightsExtPipelineShader.Uniforms> {
+
+	public final int coreState;
+
+	public DynamicLightsExtPipelineShader(IProgramGL program, int coreState) {
+		super(program, new Uniforms());
+		this.coreState = coreState;
+	}
+
+	public static class Uniforms implements IProgramUniforms {
+
+		public int u_chunkLightingDataBlockBinding = -1;
+
+		public int inverseViewMatrixSerial = -1;
+		public IUniformGL u_inverseViewMatrix4f = null;
+
+		Uniforms() {
+		}
+
+		@Override
+		public void loadUniforms(IProgramGL prog) {
+			u_inverseViewMatrix4f = _wglGetUniformLocation(prog, "u_inverseViewMatrix4f");
+			int blockIndex = _wglGetUniformBlockIndex(prog, "u_chunkLightingData");
+			if(blockIndex != -1) {
+				_wglUniformBlockBinding(prog, blockIndex, 0);
+				u_chunkLightingDataBlockBinding = 0;
+			}else {
+				u_chunkLightingDataBlockBinding = -1;
+			}
+		}
+
+	}
+
+}

src/main/java/net/lax1dude/eaglercraft/v1_8/sp/SingleplayerServerController.java

@@ -70,6 +70,8 @@ public class SingleplayerServerController implements ISaveFormat {
 	public static final ClientIntegratedServerNetworkManager localPlayerNetworkManager = new ClientIntegratedServerNetworkManager(PLAYER_CHANNEL);
 	private static final List<String> openLANChannels = new ArrayList();
 
+	private static final IPCPacketManager packetManagerInstance = new IPCPacketManager();
+
 	private SingleplayerServerController() {
 	}
 
@@ -247,7 +249,7 @@ public class SingleplayerServerController implements ISaveFormat {
 				if(packetData.channel.equals(SingleplayerServerController.IPC_CHANNEL)) {
 					IPCPacketBase ipc;
 					try {
-						ipc = IPCPacketManager.IPCDeserialize(packetData.contents);
+						ipc = packetManagerInstance.IPCDeserialize(packetData.contents);
 					}catch(IOException ex) {
 						throw new RuntimeException("Failed to deserialize IPC packet", ex);
 					}
@@ -402,7 +404,7 @@ public class SingleplayerServerController implements ISaveFormat {
 	public static void sendIPCPacket(IPCPacketBase ipc) {
 		byte[] pkt;
 		try {
-			pkt = IPCPacketManager.IPCSerialize(ipc);
+			pkt = packetManagerInstance.IPCSerialize(ipc);
 		}catch (IOException ex) {
 			throw new RuntimeException("Failed to serialize IPC packet", ex);
 		}

src/main/java/net/lax1dude/eaglercraft/v1_8/sp/gui/GuiScreenBackupWorldSelection.java

@@ -11,6 +11,7 @@ import net.minecraft.client.gui.GuiScreen;
 import net.minecraft.client.gui.GuiYesNo;
 import net.minecraft.client.resources.I18n;
 import net.minecraft.nbt.NBTTagCompound;
+import net.minecraft.util.EnumChatFormatting;
 import net.minecraft.world.storage.WorldInfo;
 
 /**
@@ -38,6 +39,7 @@ public class GuiScreenBackupWorldSelection extends GuiScreen {
 	private GuiButton worldConvert = null;
 	private GuiButton worldBackup = null;
 	private long worldSeed;
+	private boolean oldRNG;
 	private NBTTagCompound levelDat;
 	
 	private String worldName;
@@ -47,6 +49,7 @@ public class GuiScreenBackupWorldSelection extends GuiScreen {
 		this.worldName = worldName;
 		this.levelDat = levelDat;
 		this.worldSeed = levelDat.getCompoundTag("Data").getLong("RandomSeed");
+		this.oldRNG = levelDat.getCompoundTag("Data").getInteger("eaglerVersionSerial") == 0;
 	}
 	
 	public void initGui() {
@@ -62,7 +65,11 @@ public class GuiScreenBackupWorldSelection extends GuiScreen {
 		this.drawDefaultBackground();
 
 		this.drawCenteredString(this.fontRendererObj, I18n.format("singleplayer.backup.title", worldName), this.width / 2, this.height / 5 - 35, 16777215);
-		this.drawCenteredString(this.fontRendererObj, I18n.format("singleplayer.backup.seed") + " " + worldSeed, this.width / 2, this.height / 5 + 62, 0xAAAAFF);
+		if(oldRNG) {
+			this.drawCenteredString(this.fontRendererObj, I18n.format("singleplayer.backup.seed") + " " + worldSeed + " " + EnumChatFormatting.RED + "(pre-u34)", this.width / 2, this.height / 5 + 62, 0xAAAAFF);
+		}else {
+			this.drawCenteredString(this.fontRendererObj, I18n.format("singleplayer.backup.seed") + " " + worldSeed, this.width / 2, this.height / 5 + 62, 0xAAAAFF);
+		}
 		
 		int toolTipColor = 0xDDDDAA;
 		if(worldRecreate.isMouseOver()) {
@@ -85,8 +92,13 @@ public class GuiScreenBackupWorldSelection extends GuiScreen {
 			this.mc.displayGuiScreen(selectWorld);
 		}else if(par1GuiButton.id == 1) {
 			GuiCreateWorld cw = new GuiCreateWorld(selectWorld);
-			cw.func_146318_a(new WorldInfo(this.levelDat.getCompoundTag("Data")));
-			this.mc.displayGuiScreen(cw);
+			WorldInfo inf = new WorldInfo(this.levelDat.getCompoundTag("Data"));
+			cw.func_146318_a(inf);
+			if(inf.isOldEaglercraftRandom()) {
+				this.mc.displayGuiScreen(new GuiScreenOldSeedWarning(cw));
+			}else {
+				this.mc.displayGuiScreen(cw);
+			}
 		}else if(par1GuiButton.id == 2) {
 			this.mc.displayGuiScreen(new GuiRenameWorld(this.selectWorld, this.worldName, true));
 		}else if(par1GuiButton.id == 3) {

src/main/java/net/lax1dude/eaglercraft/v1_8/sp/gui/GuiScreenOldSeedWarning.java

@@ -0,0 +1,48 @@
+package net.lax1dude.eaglercraft.v1_8.sp.gui;
+
+import net.minecraft.client.gui.GuiButton;
+import net.minecraft.client.gui.GuiScreen;
+import net.minecraft.client.resources.I18n;
+
+/**
+ * Copyright (c) 2024 lax1dude. All Rights Reserved.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ * 
+ */
+public class GuiScreenOldSeedWarning extends GuiScreen {
+
+	private final GuiScreen cont;
+
+	public GuiScreenOldSeedWarning(GuiScreen cont) {
+		this.cont = cont;
+	}
+
+	public void initGui() {
+		this.buttonList.clear();
+		this.buttonList.add(new GuiButton(0, this.width / 2 - 100, this.height / 6 + 96, I18n.format("singleplayer.oldseedwarning.ok")));
+	}
+
+	public void drawScreen(int par1, int par2, float par3) {
+		this.drawDefaultBackground();
+		this.drawCenteredString(fontRendererObj, I18n.format("singleplayer.oldseedwarning.title"), this.width / 2, 70, 11184810);
+		this.drawCenteredString(fontRendererObj, I18n.format("singleplayer.oldseedwarning.msg1"), this.width / 2, 90, 16777215);
+		this.drawCenteredString(fontRendererObj, I18n.format("singleplayer.oldseedwarning.msg2"), this.width / 2, 105, 16777215);
+		super.drawScreen(par1, par2, par3);
+	}
+
+	protected void actionPerformed(GuiButton par1GuiButton) {
+		if(par1GuiButton.id == 0) {
+			this.mc.displayGuiScreen(cont);
+		}
+	}
+}

src/main/java/net/lax1dude/eaglercraft/v1_8/sp/ipc/IPCPacketManager.java

@@ -25,11 +25,11 @@ public class IPCPacketManager {
 	
 	public static final HashMap<Integer, Supplier<IPCPacketBase>> mappings = new HashMap();
 
-	public static final IPCInputStream IPC_INPUT_STREAM = new IPCInputStream();
-	public static final IPCOutputStream IPC_OUTPUT_STREAM = new IPCOutputStream();
+	public final IPCInputStream IPC_INPUT_STREAM = new IPCInputStream();
+	public final IPCOutputStream IPC_OUTPUT_STREAM = new IPCOutputStream();
 
-	public static final DataInputStream IPC_DATA_INPUT_STREAM = new DataInputStream(IPC_INPUT_STREAM);
-	public static final DataOutputStream IPC_DATA_OUTPUT_STREAM = new DataOutputStream(IPC_OUTPUT_STREAM);
+	public final DataInputStream IPC_DATA_INPUT_STREAM = new DataInputStream(IPC_INPUT_STREAM);
+	public final DataOutputStream IPC_DATA_OUTPUT_STREAM = new DataOutputStream(IPC_OUTPUT_STREAM);
 	
 	static {
 		mappings.put(IPCPacket00StartServer.ID, IPCPacket00StartServer::new);
@@ -60,7 +60,7 @@ public class IPCPacketManager {
 		mappings.put(IPCPacketFFProcessKeepAlive.ID, IPCPacketFFProcessKeepAlive::new);
 	}
 	
-	public static byte[] IPCSerialize(IPCPacketBase pkt) throws IOException {
+	public byte[] IPCSerialize(IPCPacketBase pkt) throws IOException {
 		
 		IPC_OUTPUT_STREAM.feedBuffer(new byte[pkt.size() + 1], pkt.getClass().getSimpleName());
 		IPC_OUTPUT_STREAM.write(pkt.id());
@@ -69,7 +69,7 @@ public class IPCPacketManager {
 		return IPC_OUTPUT_STREAM.returnBuffer();
 	}
 	
-	public static IPCPacketBase IPCDeserialize(byte[] pkt) throws IOException {
+	public IPCPacketBase IPCDeserialize(byte[] pkt) throws IOException {
 		
 		IPC_INPUT_STREAM.feedBuffer(pkt);
 		int i = IPC_INPUT_STREAM.read();

src/main/java/net/lax1dude/eaglercraft/v1_8/sp/server/EaglerIntegratedServerWorker.java

@@ -60,6 +60,8 @@ public class EaglerIntegratedServerWorker {
 
 	private static final Map<String, IntegratedServerPlayerNetworkManager> openChannels = new HashMap();
 
+	private static final IPCPacketManager packetManagerInstance = new IPCPacketManager();
+
 	private static void processAsyncMessageQueue() {
 		List<IPCPacketData> pktList = ServerPlatformSingleplayer.recieveAllPacket();
 		if(pktList != null) {
@@ -69,7 +71,7 @@ public class EaglerIntegratedServerWorker {
 				if(packetData.channel.equals(SingleplayerServerController.IPC_CHANNEL)) {
 					IPCPacketBase ipc;
 					try {
-						ipc = IPCPacketManager.IPCDeserialize(packetData.contents);
+						ipc = packetManagerInstance.IPCDeserialize(packetData.contents);
 					}catch(IOException ex) {
 						throw new RuntimeException("Failed to deserialize IPC packet", ex);
 					}
@@ -422,7 +424,7 @@ public class EaglerIntegratedServerWorker {
 	public static void sendIPCPacket(IPCPacketBase ipc) {
 		byte[] pkt;
 		try {
-			pkt = IPCPacketManager.IPCSerialize(ipc);
+			pkt = packetManagerInstance.IPCSerialize(ipc);
 		}catch (IOException ex) {
 			throw new RuntimeException("Failed to serialize IPC packet", ex);
 		}

src/main/java/net/lax1dude/eaglercraft/v1_8/sp/server/export/WorldConverterEPK.java

@@ -12,6 +12,7 @@ import net.lax1dude.eaglercraft.v1_8.sp.server.EaglerIntegratedServerWorker;
 import net.lax1dude.eaglercraft.v1_8.sp.server.EaglerSaveFormat;
 import net.minecraft.nbt.CompressedStreamTools;
 import net.minecraft.nbt.NBTTagCompound;
+import net.minecraft.world.storage.WorldInfo;
 
 /**
  * Copyright (c) 2022-2024 lax1dude, ayunami2000. All Rights Reserved.
@@ -66,6 +67,9 @@ public class WorldConverterEPK {
 						NBTTagCompound worldDatNBT = CompressedStreamTools.readCompressed(new EaglerInputStream(b));
 						worldDatNBT.getCompoundTag("Data").setString("LevelName", newName);
 						worldDatNBT.getCompoundTag("Data").setLong("LastPlayed", System.currentTimeMillis());
+						if(has152Format) {
+							WorldInfo.initEaglerVersion(worldDatNBT.getCompoundTag("Data"));
+						}
 						EaglerOutputStream tmp = new EaglerOutputStream();
 						CompressedStreamTools.writeCompressed(worldDatNBT, tmp);
 						b = tmp.toByteArray();

src/main/java/net/lax1dude/eaglercraft/v1_8/sp/server/export/WorldConverterMCA.java

@@ -20,6 +20,7 @@ import net.lax1dude.eaglercraft.v1_8.sp.server.EaglerChunkLoader;
 import net.lax1dude.eaglercraft.v1_8.sp.server.EaglerIntegratedServerWorker;
 import net.lax1dude.eaglercraft.v1_8.sp.server.EaglerSaveFormat;
 import net.minecraft.world.chunk.storage.RegionFile;
+import net.minecraft.world.storage.WorldInfo;
 import net.minecraft.nbt.CompressedStreamTools;
 import net.minecraft.nbt.NBTTagCompound;
 
@@ -98,9 +99,9 @@ public class WorldConverterMCA {
 					gameRulesNBT.setString("colorCodes", s);
 					gameRulesNBT.setString("doSignEditing", s);
 					worldDatNBT.getCompoundTag("Data").setTag("GameRules", gameRulesNBT);
-	
 					worldDatNBT.getCompoundTag("Data").setString("LevelName", newName);
 					worldDatNBT.getCompoundTag("Data").setLong("LastPlayed", System.currentTimeMillis());
+					WorldInfo.initEaglerVersion(worldDatNBT.getCompoundTag("Data"));
 					EaglerOutputStream bo = new EaglerOutputStream();
 					CompressedStreamTools.writeCompressed(worldDatNBT, bo);
 					b = bo.toByteArray();

src/main/java/net/minecraft/client/Minecraft.java

@@ -750,7 +750,18 @@ public class Minecraft implements IThreadListener {
 			}
 
 			this.mcSoundHandler.unloadSounds();
-			SingleplayerServerController.shutdownEaglercraftServer();
+			if (SingleplayerServerController.isWorldRunning()) {
+				SingleplayerServerController.shutdownEaglercraftServer();
+				while (SingleplayerServerController.getStatusState() == IntegratedServerState.WORLD_UNLOADING) {
+					EagUtils.sleep(50l);
+					SingleplayerServerController.runTick();
+				}
+			}
+			if (SingleplayerServerController.isIntegratedServerWorkerAlive()
+					&& SingleplayerServerController.canKillWorker()) {
+				SingleplayerServerController.killWorker();
+				EagUtils.sleep(50l);
+			}
 		} finally {
 			EagRuntime.destroy();
 			if (!this.hasCrashed) {

src/main/java/net/minecraft/client/gui/GuiOverlayDebug.java

@@ -20,6 +20,7 @@ import net.lax1dude.eaglercraft.v1_8.HString;
 import net.lax1dude.eaglercraft.v1_8.internal.EnumPlatformType;
 import net.lax1dude.eaglercraft.v1_8.opengl.EaglercraftGPU;
 import net.lax1dude.eaglercraft.v1_8.opengl.GlStateManager;
+import net.lax1dude.eaglercraft.v1_8.opengl.ext.dynamiclights.DynamicLightsStateManager;
 import net.lax1dude.eaglercraft.v1_8.sp.SingleplayerServerController;
 import net.minecraft.block.Block;
 import net.minecraft.block.properties.IProperty;
@@ -394,6 +395,9 @@ public class GuiOverlayDebug extends Gui {
 							new Object[] { enumfacing, s,
 									Float.valueOf(MathHelper.wrapAngleTo180_float(entity.rotationYaw)),
 									Float.valueOf(MathHelper.wrapAngleTo180_float(entity.rotationPitch)) }) });
+			if (DynamicLightsStateManager.isDynamicLightsRender()) {
+				arraylist.add(6, DynamicLightsStateManager.getF3String());
+			}
 			if (this.mc.theWorld != null && this.mc.theWorld.isBlockLoaded(blockpos)) {
 				Chunk chunk = this.mc.theWorld.getChunkFromBlockCoords(blockpos);
 				arraylist.add("Biome: " + chunk.getBiome(blockpos, null).biomeName);

src/main/java/net/minecraft/client/gui/GuiVideoSettings.java

@@ -42,10 +42,10 @@ public class GuiVideoSettings extends GuiScreen {
 			GameSettings.Options.VIEW_BOBBING, GameSettings.Options.GUI_SCALE, GameSettings.Options.GAMMA,
 			GameSettings.Options.RENDER_CLOUDS, GameSettings.Options.PARTICLES, GameSettings.Options.FXAA,
 			GameSettings.Options.MIPMAP_LEVELS, GameSettings.Options.BLOCK_ALTERNATIVES,
-			GameSettings.Options.ENTITY_SHADOWS, GameSettings.Options.FOG, GameSettings.Options.FULLSCREEN,
-			GameSettings.Options.FNAW_SKINS, GameSettings.Options.HUD_FPS, GameSettings.Options.HUD_COORDS,
-			GameSettings.Options.HUD_PLAYER, GameSettings.Options.HUD_STATS, GameSettings.Options.HUD_WORLD,
-			GameSettings.Options.HUD_24H, GameSettings.Options.CHUNK_FIX };
+			GameSettings.Options.ENTITY_SHADOWS, GameSettings.Options.FOG, GameSettings.Options.EAGLER_DYNAMIC_LIGHTS,
+			GameSettings.Options.FULLSCREEN, GameSettings.Options.FNAW_SKINS, GameSettings.Options.HUD_FPS,
+			GameSettings.Options.HUD_COORDS, GameSettings.Options.HUD_PLAYER, GameSettings.Options.HUD_STATS,
+			GameSettings.Options.HUD_WORLD, GameSettings.Options.HUD_24H, GameSettings.Options.CHUNK_FIX };
 
 	public GuiVideoSettings(GuiScreen parentScreenIn, GameSettings gameSettingsIn) {
 		this.parentGuiScreen = parentScreenIn;

src/main/java/net/minecraft/client/particle/EntityFX.java

@@ -280,4 +280,8 @@ public class EntityFX extends Entity {
 				+ this.particleRed + "," + this.particleGreen + "," + this.particleBlue + "," + this.particleAlpha
 				+ "), Age " + this.particleAge;
 	}
+
+	protected float getEaglerDynamicLightsValueSimple(float partialTicks) {
+		return 0.0f;
+	}
 }

src/main/java/net/minecraft/client/renderer/BlockFluidRenderer.java

@@ -4,6 +4,7 @@ import net.lax1dude.eaglercraft.v1_8.minecraft.EaglerTextureAtlasSprite;
 import net.lax1dude.eaglercraft.v1_8.opengl.WorldRenderer;
 import net.lax1dude.eaglercraft.v1_8.opengl.ext.deferred.BlockVertexIDs;
 import net.lax1dude.eaglercraft.v1_8.opengl.ext.deferred.DeferredStateManager;
+import net.lax1dude.eaglercraft.v1_8.opengl.ext.dynamiclights.DynamicLightsStateManager;
 import net.minecraft.block.Block;
 import net.minecraft.block.BlockLiquid;
 import net.minecraft.block.material.Material;
@@ -55,6 +56,7 @@ public class BlockFluidRenderer {
 			WorldRenderer worldRendererIn) {
 		BlockPos tmp = new BlockPos(0, 0, 0);
 		boolean deferred = DeferredStateManager.isDeferredRenderer();
+		boolean isDynamicLights = deferred || DynamicLightsStateManager.isDynamicLightsRender();
 		BlockLiquid blockliquid = (BlockLiquid) blockStateIn.getBlock();
 		boolean lava = blockliquid.getMaterial() == Material.lava;
 		boolean realistic = !lava && DeferredStateManager.isRenderingRealisticWater();
@@ -151,7 +153,7 @@ public class BlockFluidRenderer {
 						.tex((double) f15, (double) f19).lightmap(l2, i3).endVertex();
 				worldRendererIn.pos(d0 + 1.0D, d1 + (double) f10, d2 + 0.0D).color(f24, f25, f26, 1.0F)
 						.tex((double) f16, (double) f20).lightmap(l2, i3).endVertex();
-				if (deferred)
+				if (isDynamicLights)
 					worldRendererIn.genNormals(true, f12 <= -999.0F ? BlockVertexIDs.builtin_water_still_vertex_id
 							: BlockVertexIDs.builtin_water_flow_vertex_id);
 
@@ -164,7 +166,7 @@ public class BlockFluidRenderer {
 							.tex((double) f15, (double) f19).lightmap(l2, i3).endVertex();
 					worldRendererIn.pos(d0 + 0.0D, d1 + (double) f8, d2 + 1.0D).color(f24, f25, f26, 1.0F)
 							.tex((double) f14, (double) f18).lightmap(l2, i3).endVertex();
-					if (deferred)
+					if (isDynamicLights)
 						worldRendererIn.genNormals(true, f12 <= -999.0F ? BlockVertexIDs.builtin_water_still_vertex_id
 								: BlockVertexIDs.builtin_water_flow_vertex_id);
 				}
@@ -186,7 +188,7 @@ public class BlockFluidRenderer {
 						.lightmap(i2, j2).endVertex();
 				worldRendererIn.pos(d0 + 1.0D, d1, d2 + 1.0D).color(f3, f3, f3, 1.0F).tex((double) f36, (double) f38)
 						.lightmap(i2, j2).endVertex();
-				if (deferred)
+				if (isDynamicLights)
 					worldRendererIn.putNormal(0.0f, -1.0f, 0.0f, BlockVertexIDs.builtin_water_still_vertex_id);
 				flag2 = true;
 			}
@@ -272,7 +274,7 @@ public class BlockFluidRenderer {
 							.lightmap(k, l).endVertex();
 					worldRendererIn.pos(d3, d1 + 0.0D, d4).color(f32, f33, f34, 1.0F).tex((double) f41, (double) f30)
 							.lightmap(k, l).endVertex();
-					if (deferred)
+					if (isDynamicLights)
 						worldRendererIn.putNormal(j1, 0.0f, k1, BlockVertexIDs.builtin_water_flow_vertex_id);
 					if (!realistic) {
 						worldRendererIn.pos(d3, d1 + 0.0D, d4).color(f32, f33, f34, 1.0F)
@@ -283,7 +285,7 @@ public class BlockFluidRenderer {
 								.tex((double) f27, (double) f29).lightmap(k, l).endVertex();
 						worldRendererIn.pos(d3, d1 + (double) f39, d4).color(f32, f33, f34, 1.0F)
 								.tex((double) f41, (double) f28).lightmap(k, l).endVertex();
-						if (deferred)
+						if (isDynamicLights)
 							worldRendererIn.putNormal(-j1, 0.0f, -k1, BlockVertexIDs.builtin_water_flow_vertex_id);
 					}
 				}

src/main/java/net/minecraft/client/renderer/BlockModelRenderer.java

@@ -7,6 +7,7 @@ import net.lax1dude.eaglercraft.v1_8.opengl.GlStateManager;
 import net.lax1dude.eaglercraft.v1_8.opengl.WorldRenderer;
 import net.lax1dude.eaglercraft.v1_8.opengl.ext.deferred.DeferredStateManager;
 import net.lax1dude.eaglercraft.v1_8.opengl.ext.deferred.VertexMarkerState;
+import net.lax1dude.eaglercraft.v1_8.opengl.ext.dynamiclights.DynamicLightsStateManager;
 import net.minecraft.block.Block;
 import net.minecraft.block.state.IBlockState;
 import net.minecraft.client.Minecraft;
@@ -139,6 +140,7 @@ public class BlockModelRenderer {
 			WorldRenderer worldRendererIn, List<BakedQuad> listQuadsIn, float[] quadBounds, BitSet boundsFlags,
 			BlockModelRenderer.AmbientOcclusionFace aoFaceIn) {
 		boolean isDeferred = DeferredStateManager.isDeferredRenderer();
+		boolean isDynamicLights = isDeferred || DynamicLightsStateManager.isDynamicLightsRender();
 		double d0 = (double) blockPosIn.getX();
 		double d1 = (double) blockPosIn.getY();
 		double d2 = (double) blockPosIn.getZ();
@@ -154,8 +156,9 @@ public class BlockModelRenderer {
 
 		for (int i = 0, l = listQuadsIn.size(); i < l; ++i) {
 			BakedQuad bakedquad = listQuadsIn.get(i);
-			int[] vertData = isDeferred ? bakedquad.getVertexDataWithNormals() : bakedquad.getVertexData();
-			this.fillQuadBounds(blockIn, vertData, bakedquad.getFace(), quadBounds, boundsFlags, isDeferred ? 8 : 7);
+			int[] vertData = isDynamicLights ? bakedquad.getVertexDataWithNormals() : bakedquad.getVertexData();
+			this.fillQuadBounds(blockIn, vertData, bakedquad.getFace(), quadBounds, boundsFlags,
+					isDynamicLights ? 8 : 7);
 			aoFaceIn.updateVertexBrightness(blockAccessIn, blockIn, blockPosIn, bakedquad.getFace(), quadBounds,
 					boundsFlags);
 			worldRendererIn.addVertexData(vertData);
@@ -272,6 +275,7 @@ public class BlockModelRenderer {
 			EnumFacing faceIn, int brightnessIn, boolean ownBrightness, WorldRenderer worldRendererIn,
 			List<BakedQuad> listQuadsIn, BitSet boundsFlags, float[] quadBounds) {
 		boolean isDeferred = DeferredStateManager.isDeferredRenderer();
+		boolean isDynamicLights = isDeferred || DynamicLightsStateManager.isDynamicLightsRender();
 		double d0 = (double) blockPosIn.getX();
 		double d1 = (double) blockPosIn.getY();
 		double d2 = (double) blockPosIn.getZ();
@@ -291,9 +295,9 @@ public class BlockModelRenderer {
 		for (int m = 0, n = listQuadsIn.size(); m < n; ++m) {
 			BakedQuad bakedquad = listQuadsIn.get(m);
 			EnumFacing facingIn = bakedquad.getFace();
-			int[] vertData = isDeferred ? bakedquad.getVertexDataWithNormals() : bakedquad.getVertexData();
+			int[] vertData = isDynamicLights ? bakedquad.getVertexDataWithNormals() : bakedquad.getVertexData();
 			blockPosIn.offsetEvenFaster(facingIn, blockpos0);
-			this.fillQuadBounds(blockIn, vertData, facingIn, quadBounds, boundsFlags, isDeferred ? 8 : 7);
+			this.fillQuadBounds(blockIn, vertData, facingIn, quadBounds, boundsFlags, isDynamicLights ? 8 : 7);
 			boolean boundsFlags0 = boundsFlags.get(0);
 			if (ownBrightness) {
 				brightnessIn = boundsFlags0 ? blockIn.getMixedBrightnessForBlock(blockAccessIn, blockpos0)

src/main/java/net/minecraft/client/renderer/ChunkRenderContainer.java

@@ -6,6 +6,7 @@ import com.google.common.collect.Lists;
 
 import net.lax1dude.eaglercraft.v1_8.opengl.GlStateManager;
 import net.lax1dude.eaglercraft.v1_8.opengl.ext.deferred.DeferredStateManager;
+import net.lax1dude.eaglercraft.v1_8.opengl.ext.dynamiclights.DynamicLightsStateManager;
 import net.minecraft.client.renderer.chunk.RenderChunk;
 import net.minecraft.util.BlockPos;
 import net.minecraft.util.EnumWorldBlockLayer;
@@ -53,10 +54,15 @@ public abstract class ChunkRenderContainer {
 		float posZ = (float) ((double) blockpos.getZ() - this.viewEntityZ);
 		GlStateManager.translate(posX, posY, posZ);
 		if (DeferredStateManager.isInForwardPass()) {
-			posX = (float) (blockpos.getX() - (MathHelper.floor_double(this.viewEntityX / 16.0) << 4)); // TODO
+			posX = (float) (blockpos.getX() - (MathHelper.floor_double(this.viewEntityX / 16.0) << 4));
 			posY = (float) (blockpos.getY() - (MathHelper.floor_double(this.viewEntityY / 16.0) << 4));
 			posZ = (float) (blockpos.getZ() - (MathHelper.floor_double(this.viewEntityZ / 16.0) << 4));
 			DeferredStateManager.reportForwardRenderObjectPosition((int) posX, (int) posY, (int) posZ);
+		} else if (DynamicLightsStateManager.isInDynamicLightsPass()) {
+			posX = (float) (blockpos.getX() - (MathHelper.floor_double(this.viewEntityX / 16.0) << 4));
+			posY = (float) (blockpos.getY() - (MathHelper.floor_double(this.viewEntityY / 16.0) << 4));
+			posZ = (float) (blockpos.getZ() - (MathHelper.floor_double(this.viewEntityZ / 16.0) << 4));
+			DynamicLightsStateManager.reportForwardRenderObjectPosition((int) posX, (int) posY, (int) posZ);
 		}
 	}
 

src/main/java/net/minecraft/client/renderer/EntityRenderer.java

@@ -33,6 +33,7 @@ import net.lax1dude.eaglercraft.v1_8.opengl.ext.deferred.NameTagRenderer;
 import net.lax1dude.eaglercraft.v1_8.opengl.ext.deferred.ShadersRenderPassFuture;
 import net.lax1dude.eaglercraft.v1_8.opengl.ext.deferred.gui.GuiShaderConfig;
 import net.lax1dude.eaglercraft.v1_8.opengl.ext.deferred.texture.EmissiveItems;
+import net.lax1dude.eaglercraft.v1_8.opengl.ext.dynamiclights.DynamicLightsStateManager;
 import net.lax1dude.eaglercraft.v1_8.vector.Vector4f;
 import net.lax1dude.eaglercraft.v1_8.voice.VoiceTagRenderer;
 import net.lax1dude.eaglercraft.v1_8.vector.Matrix4f;
@@ -653,6 +654,9 @@ public class EntityRenderer implements IResourceManagerReloadListener {
 	 */
 	private void renderHand(float partialTicks, int xOffset) {
 		if (!this.debugView) {
+			if (DynamicLightsStateManager.isInDynamicLightsPass()) {
+				DynamicLightsStateManager.reportForwardRenderObjectPosition2(0.0f, 0.0f, 0.0f);
+			}
 			GlStateManager.matrixMode(GL_PROJECTION);
 			GlStateManager.loadIdentity();
 			float f = 0.07F;
@@ -848,7 +852,8 @@ public class EntityRenderer implements IResourceManagerReloadListener {
 
 				GlStateManager.setActiveTexture(OpenGlHelper.lightmapTexUnit);
 				this.mc.getTextureManager().bindTexture(this.locationLightMap);
-				if (mc.gameSettings.fancyGraphics || mc.gameSettings.ambientOcclusion > 0) {
+				if (mc.gameSettings.fancyGraphics || mc.gameSettings.ambientOcclusion > 0
+						|| DynamicLightsStateManager.isDynamicLightsRender()) {
 					EaglercraftGPU.glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
 					EaglercraftGPU.glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
 				} else {
@@ -1098,14 +1103,27 @@ public class EntityRenderer implements IResourceManagerReloadListener {
 		GlStateManager.enableAlpha();
 		GlStateManager.alphaFunc(GL_GREATER, 0.5F);
 		this.mc.mcProfiler.startSection("center");
+		boolean dlights = DynamicLightsStateManager.isDynamicLightsRender();
+		if (dlights) {
+			updateDynamicLightListEagler(partialTicks);
+		}
 		if (this.mc.gameSettings.anaglyph && !this.mc.gameSettings.shaders) {
-			anaglyphField = 0;
-			GlStateManager.colorMask(false, true, true, false);
-			this.renderWorldPass(0, partialTicks, finishTimeNano);
-			anaglyphField = 1;
-			GlStateManager.colorMask(true, false, false, false);
-			this.renderWorldPass(1, partialTicks, finishTimeNano);
-			GlStateManager.colorMask(true, true, true, false);
+			if (dlights) {
+				GlStateManager.enableExtensionPipeline();
+			}
+			try {
+				anaglyphField = 0;
+				GlStateManager.colorMask(false, true, true, false);
+				this.renderWorldPass(0, partialTicks, finishTimeNano);
+				anaglyphField = 1;
+				GlStateManager.colorMask(true, false, false, false);
+				this.renderWorldPass(1, partialTicks, finishTimeNano);
+				GlStateManager.colorMask(true, true, true, false);
+			} finally {
+				if (dlights) {
+					GlStateManager.disableExtensionPipeline();
+				}
+			}
 		} else {
 			if (this.mc.gameSettings.shaders) {
 				try {
@@ -1121,7 +1139,16 @@ public class EntityRenderer implements IResourceManagerReloadListener {
 				mc.effectRenderer.acceleratedParticleRenderer = EffectRenderer.vanillaAcceleratedParticleRenderer;
 			} else {
 				mc.effectRenderer.acceleratedParticleRenderer = EffectRenderer.vanillaAcceleratedParticleRenderer;
-				this.renderWorldPass(2, partialTicks, finishTimeNano);
+				if (dlights) {
+					GlStateManager.enableExtensionPipeline();
+				}
+				try {
+					this.renderWorldPass(2, partialTicks, finishTimeNano);
+				} finally {
+					if (dlights) {
+						GlStateManager.disableExtensionPipeline();
+					}
+				}
 			}
 		}
 
@@ -1143,6 +1170,10 @@ public class EntityRenderer implements IResourceManagerReloadListener {
 		GlStateManager.clear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
 		this.mc.mcProfiler.endStartSection("camera");
 		this.setupCameraTransform(partialTicks, pass);
+		boolean isDynamicLights = DynamicLightsStateManager.isDynamicLightsRender();
+		if (isDynamicLights) {
+			DynamicLightsStateManager.setupInverseViewMatrix();
+		}
 		ActiveRenderInfo.updateRenderInfo(this.mc.thePlayer, this.mc.gameSettings.thirdPersonView == 2);
 		this.mc.mcProfiler.endStartSection("culling");
 		Frustum frustum = new Frustum();
@@ -1150,6 +1181,9 @@ public class EntityRenderer implements IResourceManagerReloadListener {
 		double d0 = entity.lastTickPosX + (entity.posX - entity.lastTickPosX) * (double) partialTicks;
 		double d1 = entity.lastTickPosY + (entity.posY - entity.lastTickPosY) * (double) partialTicks;
 		double d2 = entity.lastTickPosZ + (entity.posZ - entity.lastTickPosZ) * (double) partialTicks;
+		TileEntityRendererDispatcher.staticPlayerX = d0; // hack, needed for some eagler stuff
+		TileEntityRendererDispatcher.staticPlayerY = d1;
+		TileEntityRendererDispatcher.staticPlayerZ = d2;
 		frustum.setPosition(d0, d1, d2);
 		if (this.mc.gameSettings.renderDistanceChunks >= 4) {
 			this.setupFog(-1, partialTicks);
@@ -1215,8 +1249,14 @@ public class EntityRenderer implements IResourceManagerReloadListener {
 				EntityPlayer entityplayer = (EntityPlayer) entity;
 				GlStateManager.disableAlpha();
 				this.mc.mcProfiler.endStartSection("outline");
+				if (isDynamicLights) {
+					GlStateManager.disableExtensionPipeline();
+				}
 				renderglobal.drawSelectionBox(entityplayer, this.mc.objectMouseOver, 0, partialTicks);
 				GlStateManager.enableAlpha();
+				if (isDynamicLights) {
+					GlStateManager.enableExtensionPipeline();
+				}
 			}
 		}
 
@@ -1225,9 +1265,15 @@ public class EntityRenderer implements IResourceManagerReloadListener {
 		if (flag && this.mc.objectMouseOver != null && !entity.isInsideOfMaterial(Material.water)) {
 			EntityPlayer entityplayer1 = (EntityPlayer) entity;
 			GlStateManager.disableAlpha();
+			if (isDynamicLights) {
+				GlStateManager.disableExtensionPipeline();
+			}
 			this.mc.mcProfiler.endStartSection("outline");
 			renderglobal.drawSelectionBox(entityplayer1, this.mc.objectMouseOver, 0, partialTicks);
 			GlStateManager.enableAlpha();
+			if (isDynamicLights) {
+				GlStateManager.enableExtensionPipeline();
+			}
 		}
 
 		this.mc.mcProfiler.endStartSection("destroyProgress");
@@ -1245,7 +1291,14 @@ public class EntityRenderer implements IResourceManagerReloadListener {
 			RenderHelper.disableStandardItemLighting();
 			this.setupFog(0, partialTicks);
 			this.mc.mcProfiler.endStartSection("particles");
+			if (isDynamicLights) {
+				DynamicLightsStateManager.bindAcceleratedEffectRenderer(effectrenderer);
+				DynamicLightsStateManager.reportForwardRenderObjectPosition2(0.0f, 0.0f, 0.0f);
+			}
 			effectrenderer.renderParticles(entity, partialTicks, 2);
+			if (isDynamicLights) {
+				effectrenderer.acceleratedParticleRenderer = null;
+			}
 			this.disableLightmap();
 		}
 
@@ -1285,6 +1338,20 @@ public class EntityRenderer implements IResourceManagerReloadListener {
 
 	}
 
+	private void updateDynamicLightListEagler(float partialTicks) {
+		DynamicLightsStateManager.clearRenderList();
+		Entity entity = this.mc.getRenderViewEntity();
+		double d0 = entity.lastTickPosX + (entity.posX - entity.lastTickPosX) * (double) partialTicks;
+		double d1 = entity.lastTickPosY + (entity.posY - entity.lastTickPosY) * (double) partialTicks;
+		double d2 = entity.lastTickPosZ + (entity.posZ - entity.lastTickPosZ) * (double) partialTicks;
+		AxisAlignedBB entityAABB = new AxisAlignedBB(d0 - 48.0, d1 - 32.0, d2 - 48.0, d0 + 48.0, d1 + 32.0, d2 + 48.0);
+		List<Entity> entities = this.mc.theWorld.getEntitiesWithinAABB(Entity.class, entityAABB);
+		for (int i = 0, l = entities.size(); i < l; ++i) {
+			entities.get(i).renderDynamicLightsEaglerSimple(partialTicks);
+		}
+		DynamicLightsStateManager.commitLightSourceBuckets(d0, d1, d2);
+	}
+
 	private void renderCloudsCheck(RenderGlobal renderGlobalIn, float partialTicks, int pass) {
 		if (this.mc.gameSettings.func_181147_e() != 0) {
 			this.mc.mcProfiler.endStartSection("clouds");
@@ -1398,6 +1465,9 @@ public class EntityRenderer implements IResourceManagerReloadListener {
 				GlStateManager.enableBlend();
 				GlStateManager.tryBlendFuncSeparate(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA, 1, 0);
 				GlStateManager.alphaFunc(GL_GREATER, 0.1F);
+				if (DynamicLightsStateManager.isInDynamicLightsPass()) {
+					DynamicLightsStateManager.reportForwardRenderObjectPosition2(0.0f, 0.0f, 0.0f);
+				}
 			} else {
 				GlStateManager.enableAlpha();
 				DeferredStateManager.setHDRTranslucentPassBlendFunc();

src/main/java/net/minecraft/client/renderer/RenderGlobal.java

@@ -32,6 +32,7 @@ import net.lax1dude.eaglercraft.v1_8.opengl.ext.deferred.DynamicLightManager;
 import net.lax1dude.eaglercraft.v1_8.opengl.ext.deferred.EaglerDeferredConfig;
 import net.lax1dude.eaglercraft.v1_8.opengl.ext.deferred.EaglerDeferredPipeline;
 import net.lax1dude.eaglercraft.v1_8.opengl.ext.deferred.program.SharedPipelineShaders;
+import net.lax1dude.eaglercraft.v1_8.opengl.ext.dynamiclights.DynamicLightsStateManager;
 import net.lax1dude.eaglercraft.v1_8.vector.Vector3f;
 import net.lax1dude.eaglercraft.v1_8.vector.Vector4f;
 import net.minecraft.block.Block;
@@ -466,6 +467,16 @@ public class RenderGlobal implements IWorldAccess, IResourceManagerReloadListene
 				}
 				SharedPipelineShaders.free();
 			}
+
+			if (DeferredStateManager.isDeferredRenderer()) {
+				DynamicLightsStateManager.disableDynamicLightsRender(false);
+			} else {
+				if (mc.gameSettings.enableDynamicLights) {
+					DynamicLightsStateManager.enableDynamicLightsRender();
+				} else {
+					DynamicLightsStateManager.disableDynamicLightsRender(true);
+				}
+			}
 		}
 	}
 
@@ -1948,8 +1959,10 @@ public class RenderGlobal implements IWorldAccess, IResourceManagerReloadListene
 		if (!this.damagedBlocks.isEmpty()) {
 			this.renderEngine.bindTexture(TextureMap.locationBlocksTexture);
 			this.preRenderDamagedBlocks();
-			worldRendererIn.begin(7, DeferredStateManager.isDeferredRenderer() ? VertexFormat.BLOCK_SHADERS
-					: DefaultVertexFormats.BLOCK);
+			worldRendererIn.begin(7,
+					(DeferredStateManager.isDeferredRenderer() || DynamicLightsStateManager.isDynamicLightsRender())
+							? VertexFormat.BLOCK_SHADERS
+							: DefaultVertexFormats.BLOCK);
 			worldRendererIn.setTranslation(-d0, -d1, -d2);
 			worldRendererIn.markDirty();
 			Iterator iterator = this.damagedBlocks.values().iterator();
@@ -1971,6 +1984,10 @@ public class RenderGlobal implements IWorldAccess, IResourceManagerReloadListene
 							int i = destroyblockprogress.getPartialBlockDamage();
 							EaglerTextureAtlasSprite textureatlassprite = this.destroyBlockIcons[i];
 							BlockRendererDispatcher blockrendererdispatcher = this.mc.getBlockRendererDispatcher();
+							if (DynamicLightsStateManager.isInDynamicLightsPass()) {
+								DynamicLightsStateManager.reportForwardRenderObjectPosition2(blockpos.x, blockpos.y,
+										blockpos.z);
+							}
 							blockrendererdispatcher.renderBlockDamage(iblockstate, blockpos, textureatlassprite,
 									this.theWorld);
 						}

src/main/java/net/minecraft/client/renderer/block/model/FaceBakery.java

@@ -5,6 +5,7 @@ import net.lax1dude.eaglercraft.v1_8.opengl.ext.deferred.VertexMarkerState;
 import net.lax1dude.eaglercraft.v1_8.vector.Matrix4f;
 import net.lax1dude.eaglercraft.v1_8.vector.Vector3f;
 import net.lax1dude.eaglercraft.v1_8.vector.Vector4f;
+import net.minecraft.client.Minecraft;
 import net.minecraft.client.renderer.EnumFaceDirection;
 import net.minecraft.client.resources.model.ModelRotation;
 import net.minecraft.util.EnumFacing;
@@ -119,7 +120,9 @@ public class FaceBakery {
 			float[] sprite, EaglerTextureAtlasSprite modelRotationIn, ModelRotation partRotation,
 			BlockPartRotation uvLocked, boolean shade, boolean parFlag2, Vector3f calcNormal) {
 		EnumFacing enumfacing = partRotation.rotateFace(facing);
-		int i = (parFlag2 && stride != 8) ? this.getFaceShadeColor(enumfacing) : -1;
+		int i = (parFlag2 && (stride != 8 || !Minecraft.getMinecraft().gameSettings.shaders))
+				? this.getFaceShadeColor(enumfacing)
+				: -1;
 		EnumFaceDirection.VertexInformation enumfacedirection$vertexinformation = EnumFaceDirection.getFacing(facing)
 				.func_179025_a(vertexIndex);
 		Vector3f vector3f = new Vector3f(sprite[enumfacedirection$vertexinformation.field_179184_a],
@@ -139,9 +142,15 @@ public class FaceBakery {
 		faceData[i + 4 + 1] = Float
 				.floatToRawIntBits(sprite.getInterpolatedV((double) faceUV.func_178346_b(vertexIndex)));
 		if (stride == 8) {
-			faceData[i] = Float.floatToRawIntBits(position.x * VertexMarkerState.localCoordDeriveHackX);
-			faceData[i + 1] = Float.floatToRawIntBits(position.y * VertexMarkerState.localCoordDeriveHackY);
-			faceData[i + 2] = Float.floatToRawIntBits(position.z * VertexMarkerState.localCoordDeriveHackZ);
+			if (!Minecraft.getMinecraft().gameSettings.shaders) {
+				faceData[i] = Float.floatToRawIntBits(position.x);
+				faceData[i + 1] = Float.floatToRawIntBits(position.y);
+				faceData[i + 2] = Float.floatToRawIntBits(position.z);
+			} else {
+				faceData[i] = Float.floatToRawIntBits(position.x * VertexMarkerState.localCoordDeriveHackX);
+				faceData[i + 1] = Float.floatToRawIntBits(position.y * VertexMarkerState.localCoordDeriveHackY);
+				faceData[i + 2] = Float.floatToRawIntBits(position.z * VertexMarkerState.localCoordDeriveHackZ);
+			}
 			if (calcNormal != null) {
 				int x = (byte) ((int) (calcNormal.x * 127.0F)) & 255;
 				int y = (byte) ((int) (calcNormal.y * 127.0F)) & 255;

src/main/java/net/minecraft/client/renderer/chunk/RenderChunk.java

@@ -13,6 +13,7 @@ import net.lax1dude.eaglercraft.v1_8.opengl.GlStateManager;
 import net.lax1dude.eaglercraft.v1_8.opengl.VertexFormat;
 import net.lax1dude.eaglercraft.v1_8.opengl.WorldRenderer;
 import net.lax1dude.eaglercraft.v1_8.opengl.ext.deferred.DeferredStateManager;
+import net.lax1dude.eaglercraft.v1_8.opengl.ext.dynamiclights.DynamicLightsStateManager;
 import net.minecraft.block.Block;
 import net.minecraft.block.state.IBlockState;
 import net.minecraft.client.Minecraft;
@@ -246,7 +247,9 @@ public class RenderChunk {
 
 	private void preRenderBlocks(WorldRenderer worldRendererIn, BlockPos pos) {
 		worldRendererIn.begin(7,
-				DeferredStateManager.isDeferredRenderer() ? VertexFormat.BLOCK_SHADERS : DefaultVertexFormats.BLOCK);
+				(DeferredStateManager.isDeferredRenderer() || DynamicLightsStateManager.isDynamicLightsRender())
+						? VertexFormat.BLOCK_SHADERS
+						: DefaultVertexFormats.BLOCK);
 		worldRendererIn.setTranslation((double) (-pos.getX()), (double) (-pos.getY()), (double) (-pos.getZ()));
 	}
 

src/main/java/net/minecraft/client/renderer/entity/RenderFallingBlock.java

@@ -4,6 +4,7 @@ import net.lax1dude.eaglercraft.v1_8.opengl.GlStateManager;
 import net.lax1dude.eaglercraft.v1_8.opengl.VertexFormat;
 import net.lax1dude.eaglercraft.v1_8.opengl.WorldRenderer;
 import net.lax1dude.eaglercraft.v1_8.opengl.ext.deferred.DeferredStateManager;
+import net.lax1dude.eaglercraft.v1_8.opengl.ext.dynamiclights.DynamicLightsStateManager;
 import net.minecraft.block.Block;
 import net.minecraft.block.state.IBlockState;
 import net.minecraft.client.Minecraft;
@@ -66,8 +67,10 @@ public class RenderFallingBlock extends Render<EntityFallingBlock> {
 					GlStateManager.disableLighting();
 					Tessellator tessellator = Tessellator.getInstance();
 					WorldRenderer worldrenderer = tessellator.getWorldRenderer();
-					worldrenderer.begin(7, DeferredStateManager.isDeferredRenderer() ? VertexFormat.BLOCK_SHADERS
-							: DefaultVertexFormats.BLOCK);
+					worldrenderer.begin(7,
+							(DeferredStateManager.isDeferredRenderer()
+									|| DynamicLightsStateManager.isDynamicLightsRender()) ? VertexFormat.BLOCK_SHADERS
+											: DefaultVertexFormats.BLOCK);
 					int i = blockpos.getX();
 					int j = blockpos.getY();
 					int k = blockpos.getZ();

src/main/java/net/minecraft/client/renderer/entity/RenderManager.java

@@ -9,6 +9,7 @@ import net.lax1dude.eaglercraft.v1_8.opengl.GlStateManager;
 import net.lax1dude.eaglercraft.v1_8.opengl.OpenGlHelper;
 import net.lax1dude.eaglercraft.v1_8.opengl.WorldRenderer;
 import net.lax1dude.eaglercraft.v1_8.opengl.ext.deferred.DeferredStateManager;
+import net.lax1dude.eaglercraft.v1_8.opengl.ext.dynamiclights.DynamicLightsStateManager;
 import net.lax1dude.eaglercraft.v1_8.profile.RenderHighPoly;
 import net.minecraft.block.Block;
 import net.minecraft.block.BlockBed;
@@ -332,6 +333,10 @@ public class RenderManager {
 		double d0 = entity.lastTickPosX + (entity.posX - entity.lastTickPosX) * (double) partialTicks;
 		double d1 = entity.lastTickPosY + (entity.posY - entity.lastTickPosY) * (double) partialTicks;
 		double d2 = entity.lastTickPosZ + (entity.posZ - entity.lastTickPosZ) * (double) partialTicks;
+		if (DynamicLightsStateManager.isInDynamicLightsPass()) {
+			DynamicLightsStateManager.reportForwardRenderObjectPosition2((float) (d0 - viewerPosX),
+					(float) (d1 - viewerPosY), (float) (d2 - viewerPosZ));
+		}
 		float f = entity.prevRotationYaw + (entity.rotationYaw - entity.prevRotationYaw) * partialTicks;
 		int i = entity.getBrightnessForRender(partialTicks);
 		if (entity.isBurning()) {

src/main/java/net/minecraft/client/renderer/entity/layers/LayerSpiderEyes.java

@@ -93,6 +93,8 @@ public class LayerSpiderEyes implements LayerRenderer<EntitySpider> {
 		this.spiderRenderer.bindTexture(SPIDER_EYES);
 		GlStateManager.enableBlend();
 		GlStateManager.disableAlpha();
+		GlStateManager.enablePolygonOffset();
+		GlStateManager.doPolygonOffset(-0.025f, 1.0f);
 		GlStateManager.blendFunc(GL_ONE, GL_ONE);
 		if (entityspider.isInvisible()) {
 			GlStateManager.depthMask(false);
@@ -113,6 +115,7 @@ public class LayerSpiderEyes implements LayerRenderer<EntitySpider> {
 		this.spiderRenderer.func_177105_a(entityspider, f2);
 		GlStateManager.disableBlend();
 		GlStateManager.enableAlpha();
+		GlStateManager.disablePolygonOffset();
 	}
 
 	public boolean shouldCombineTextures() {

src/main/java/net/minecraft/client/renderer/tileentity/TileEntityRendererDispatcher.java

@@ -6,6 +6,7 @@ import com.google.common.collect.Maps;
 
 import net.lax1dude.eaglercraft.v1_8.opengl.GlStateManager;
 import net.lax1dude.eaglercraft.v1_8.opengl.OpenGlHelper;
+import net.lax1dude.eaglercraft.v1_8.opengl.ext.dynamiclights.DynamicLightsStateManager;
 import net.minecraft.client.gui.FontRenderer;
 import net.minecraft.client.renderer.texture.TextureManager;
 import net.minecraft.crash.CrashReport;
@@ -146,6 +147,9 @@ public class TileEntityRendererDispatcher {
 		TileEntitySpecialRenderer tileentityspecialrenderer = this.getSpecialRenderer(tileEntityIn);
 		if (tileentityspecialrenderer != null) {
 			try {
+				if (DynamicLightsStateManager.isInDynamicLightsPass()) {
+					DynamicLightsStateManager.reportForwardRenderObjectPosition2((float) x, (float) y, (float) z);
+				}
 				tileentityspecialrenderer.renderTileEntityAt(tileEntityIn, x, y, z, partialTicks, destroyStage);
 			} catch (Throwable throwable) {
 				CrashReport crashreport = CrashReport.makeCrashReport(throwable, "Rendering Block Entity");

src/main/java/net/minecraft/client/settings/GameSettings.java

@@ -202,6 +202,7 @@ public class GameSettings {
 	public EaglerDeferredConfig deferredShaderConf = new EaglerDeferredConfig();
 	public boolean enableUpdateSvc = true;
 	public boolean enableFNAWSkins = true;
+	public boolean enableDynamicLights = false;
 
 	public int voiceListenRadius = 16;
 	public float voiceListenVolume = 0.5f;
@@ -465,6 +466,11 @@ public class GameSettings {
 			this.enableVsync = !this.enableVsync;
 		}
 
+		if (parOptions == GameSettings.Options.EAGLER_DYNAMIC_LIGHTS) {
+			this.enableDynamicLights = !this.enableDynamicLights;
+			this.mc.renderGlobal.loadRenderers();
+		}
+
 		this.saveOptions();
 	}
 
@@ -541,6 +547,8 @@ public class GameSettings {
 			return this.enableFNAWSkins;
 		case EAGLER_VSYNC:
 			return this.enableVsync;
+		case EAGLER_DYNAMIC_LIGHTS:
+			return this.enableDynamicLights;
 		default:
 			return false;
 		}
@@ -986,6 +994,10 @@ public class GameSettings {
 						this.enableFNAWSkins = astring[1].equals("true");
 					}
 
+					if (astring[0].equals("enableDynamicLights")) {
+						this.enableDynamicLights = astring[1].equals("true");
+					}
+
 					deferredShaderConf.readOption(astring[0], astring[1]);
 				} catch (Exception var8) {
 					logger.warn("Skipping bad option: " + s);
@@ -1104,6 +1116,7 @@ public class GameSettings {
 			printwriter.println("voiceSpeakVolume:" + this.voiceSpeakVolume);
 			printwriter.println("voicePTTKey:" + this.voicePTTKey);
 			printwriter.println("enableFNAWSkins:" + this.enableFNAWSkins);
+			printwriter.println("enableDynamicLights:" + this.enableDynamicLights);
 
 			for (KeyBinding keybinding : this.keyBindings) {
 				printwriter.println("key_" + keybinding.getKeyDescription() + ":" + keybinding.getKeyCode());
@@ -1206,7 +1219,7 @@ public class GameSettings {
 		INVERT_MOUSE("options.invertMouse", false, true), SENSITIVITY("options.sensitivity", true, false),
 		FOV("options.fov", true, false, 30.0F, 110.0F, 1.0F), GAMMA("options.gamma", true, false),
 		SATURATION("options.saturation", true, false),
-		RENDER_DISTANCE("options.renderDistance", true, false, 1.0F, 16.0F, 1.0F),
+		RENDER_DISTANCE("options.renderDistance", true, false, 1.0F, 18.0F, 1.0F),
 		VIEW_BOBBING("options.viewBobbing", false, true), ANAGLYPH("options.anaglyph", false, true),
 		FRAMERATE_LIMIT("options.framerateLimit", true, false, 10.0F, 260.0F, 10.0F),
 		FBO_ENABLE("options.fboEnable", false, true), RENDER_CLOUDS("options.renderClouds", false, false),
@@ -1238,7 +1251,7 @@ public class GameSettings {
 		FOG("options.fog", false, true), FXAA("options.fxaa", false, false),
 		FULLSCREEN("options.fullscreen", false, true),
 		FNAW_SKINS("options.skinCustomisation.enableFNAWSkins", false, true),
-		EAGLER_VSYNC("options.vsync", false, true);
+		EAGLER_VSYNC("options.vsync", false, true), EAGLER_DYNAMIC_LIGHTS("options.dynamicLights", false, true);
 
 		private final boolean enumFloat;
 		private final boolean enumBoolean;

src/main/java/net/minecraft/entity/Entity.java

@@ -5,6 +5,7 @@ import net.lax1dude.eaglercraft.v1_8.EaglercraftRandom;
 import net.lax1dude.eaglercraft.v1_8.EaglercraftUUID;
 import net.lax1dude.eaglercraft.v1_8.HString;
 import net.lax1dude.eaglercraft.v1_8.opengl.ext.deferred.DynamicLightManager;
+import net.lax1dude.eaglercraft.v1_8.opengl.ext.dynamiclights.DynamicLightsStateManager;
 
 import java.util.concurrent.Callable;
 
@@ -1013,7 +1014,12 @@ public abstract class Entity implements ICommandSender {
 
 	public int getBrightnessForRender(float var1) {
 		BlockPos blockpos = new BlockPos(this.posX, this.posY + (double) this.getEyeHeight(), this.posZ);
-		return this.worldObj.isBlockLoaded(blockpos) ? this.worldObj.getCombinedLight(blockpos, 0) : 0;
+		int i = 0;
+		if (DynamicLightsStateManager.isDynamicLightsRender()) {
+			i += (int) (getEaglerDynamicLightsValueSimple(var1) * 15.0f);
+		}
+		return this.worldObj.isBlockLoaded(blockpos) ? this.worldObj.getCombinedLight(blockpos, -i)
+				: (i > 15 ? 240 : (i << 4));
 	}
 
 	/**+
@@ -1021,7 +1027,11 @@ public abstract class Entity implements ICommandSender {
 	 */
 	public float getBrightness(float var1) {
 		BlockPos blockpos = new BlockPos(this.posX, this.posY + (double) this.getEyeHeight(), this.posZ);
-		return this.worldObj.isBlockLoaded(blockpos) ? this.worldObj.getLightBrightness(blockpos) : 0.0F;
+		float f = this.worldObj.isBlockLoaded(blockpos) ? this.worldObj.getLightBrightness(blockpos) : 0.0F;
+		if (DynamicLightsStateManager.isDynamicLightsRender()) {
+			f = Math.min(f + getEaglerDynamicLightsValueSimple(var1), 1.0f);
+		}
+		return f;
 	}
 
 	/**+
@@ -2380,7 +2390,8 @@ public abstract class Entity implements ICommandSender {
 		double entityX2 = entityX - TileEntityRendererDispatcher.staticPlayerX;
 		double entityY2 = entityY - TileEntityRendererDispatcher.staticPlayerY;
 		double entityZ2 = entityZ - TileEntityRendererDispatcher.staticPlayerZ;
-		if (Math.sqrt(entityX2 * entityX2 + entityY2 * entityY2 + entityZ2 * entityZ2) < 48.0 * 48.0) {
+		if (entityX2 * entityX2 + entityY2 * entityY2
+				+ entityZ2 * entityZ2 < (isInFrustum ? (64.0 * 64.0) : (24.0 * 24.0))) {
 			renderDynamicLightsEaglerAt(entityX, entityY, entityZ, entityX2, entityY2, entityZ2, partialTicks,
 					isInFrustum);
 		}
@@ -2388,14 +2399,41 @@ public abstract class Entity implements ICommandSender {
 
 	protected void renderDynamicLightsEaglerAt(double entityX, double entityY, double entityZ, double renderX,
 			double renderY, double renderZ, float partialTicks, boolean isInFrustum) {
+		float size = Math.max(width, height);
+		if (size < 1.0f && !isInFrustum) {
+			return;
+		}
 		if (this.isBurning()) {
-			float size = Math.max(width, height);
-			if (size < 1.0f && !isInFrustum) {
-				return;
-			}
 			float mag = 5.0f * size;
 			DynamicLightManager.renderDynamicLight("entity_" + entityId + "_fire", entityX, entityY + height * 0.75,
 					entityZ, mag, 0.487f * mag, 0.1411f * mag, false);
 		}
 	}
+
+	public void renderDynamicLightsEaglerSimple(float partialTicks) {
+		double entityX = prevPosX + (posX - prevPosX) * (double) partialTicks;
+		double entityY = prevPosY + (posY - prevPosY) * (double) partialTicks;
+		double entityZ = prevPosZ + (posZ - prevPosZ) * (double) partialTicks;
+		renderDynamicLightsEaglerSimpleAt(entityX, entityY, entityZ, partialTicks);
+	}
+
+	protected void renderDynamicLightsEaglerSimpleAt(double entityX, double entityY, double entityZ,
+			float partialTicks) {
+		float renderBrightness = this.getEaglerDynamicLightsValueSimple(partialTicks);
+		if (renderBrightness > 0.1f) {
+			DynamicLightsStateManager.renderDynamicLight("entity_" + entityId + "_lightmap", entityX,
+					entityY + height * 0.85, entityZ, renderBrightness * 13.0f);
+		}
+	}
+
+	protected float getEaglerDynamicLightsValueSimple(float partialTicks) {
+		float size = Math.max(width, height);
+		if (size < 1.0f) {
+			return 0.0f;
+		}
+		if (this.isBurning()) {
+			return size / 2.0f;
+		}
+		return 0.0f;
+	}
 }

src/main/java/net/minecraft/entity/EntityLivingBase.java

@@ -1911,4 +1911,16 @@ public abstract class EntityLivingBase extends Entity {
 		}
 	}
 
+	protected float getEaglerDynamicLightsValueSimple(float partialTicks) {
+		float f = super.getEaglerDynamicLightsValueSimple(partialTicks);
+		ItemStack itm = this.getHeldItem();
+		if (itm != null && itm.stackSize > 0) {
+			Item item = itm.getItem();
+			if (item != null) {
+				float f2 = item.getHeldItemBrightnessEagler();
+				f = Math.min(f + f2 * 0.5f, 1.0f) + f2 * 0.5f;
+			}
+		}
+		return f;
+	}
 }

src/main/java/net/minecraft/entity/boss/EntityWither.java

@@ -520,6 +520,10 @@ public class EntityWither extends EntityMob implements IBossDisplayData, IRanged
 		return 15728880;
 	}
 
+	protected float getEaglerDynamicLightsValueSimple(float partialTicks) {
+		return 1.0f;
+	}
+
 	public void fall(float var1, float var2) {
 	}
 

src/main/java/net/minecraft/entity/item/EntityEnderEye.java

@@ -1,5 +1,6 @@
 package net.minecraft.entity.item;
 
+import net.lax1dude.eaglercraft.v1_8.opengl.ext.deferred.DynamicLightManager;
 import net.minecraft.entity.Entity;
 import net.minecraft.init.Items;
 import net.minecraft.item.ItemStack;
@@ -211,6 +212,21 @@ public class EntityEnderEye extends Entity {
 		return 1.0F;
 	}
 
+	protected float getEaglerDynamicLightsValueSimple(float partialTicks) {
+		return 0.5f;
+	}
+
+	protected void renderDynamicLightsEaglerAt(double entityX, double entityY, double entityZ, double renderX,
+			double renderY, double renderZ, float partialTicks, boolean isInFrustum) {
+		super.renderDynamicLightsEaglerAt(entityX, entityY, entityZ, renderX, renderY, renderZ, partialTicks,
+				isInFrustum);
+		if (isInFrustum && renderX * renderX + renderY * renderY + renderZ * renderZ < 150.0) {
+			float mag = 0.5f;
+			DynamicLightManager.renderDynamicLight("entity_" + getEntityId() + "_endereye", entityX, entityY + 0.2,
+					entityZ, mag * 0.1990f, mag * 0.7750f, mag * 0.4130f, false);
+		}
+	}
+
 	public int getBrightnessForRender(float var1) {
 		return 15728880;
 	}

src/main/java/net/minecraft/entity/item/EntityFireworkRocket.java

@@ -196,6 +196,10 @@ public class EntityFireworkRocket extends Entity {
 		return super.getBrightness(f);
 	}
 
+	protected float getEaglerDynamicLightsValueSimple(float partialTicks) {
+		return 1.0f;
+	}
+
 	public int getBrightnessForRender(float f) {
 		return super.getBrightnessForRender(f);
 	}

src/main/java/net/minecraft/entity/item/EntityItem.java

@@ -475,4 +475,17 @@ public class EntityItem extends Entity {
 				isInFrustum);
 		eaglerEmissiveFlag = Minecraft.getMinecraft().entityRenderer.renderItemEntityLight(this, 0.1f);
 	}
+
+	protected float getEaglerDynamicLightsValueSimple(float partialTicks) {
+		float f = super.getEaglerDynamicLightsValueSimple(partialTicks);
+		ItemStack itm = this.getEntityItem();
+		if (itm != null && itm.stackSize > 0) {
+			Item item = itm.getItem();
+			if (item != null) {
+				float f2 = item.getHeldItemBrightnessEagler() * 0.75f;
+				f = Math.min(f + f2 * 0.5f, 1.0f) + f2 * 0.5f;
+			}
+		}
+		return f;
+	}
 }

src/main/java/net/minecraft/entity/item/EntityItemFrame.java

@@ -6,6 +6,7 @@ import net.minecraft.entity.EntityHanging;
 import net.minecraft.entity.player.EntityPlayer;
 import net.minecraft.init.Blocks;
 import net.minecraft.init.Items;
+import net.minecraft.item.Item;
 import net.minecraft.item.ItemMap;
 import net.minecraft.item.ItemStack;
 import net.minecraft.nbt.NBTTagCompound;
@@ -252,4 +253,17 @@ public class EntityItemFrame extends EntityHanging {
 				isInFrustum);
 		eaglerEmissiveFlag = Minecraft.getMinecraft().entityRenderer.renderItemEntityLight(this, 0.1f);
 	}
+
+	protected float getEaglerDynamicLightsValueSimple(float partialTicks) {
+		float f = super.getEaglerDynamicLightsValueSimple(partialTicks);
+		ItemStack itm = this.getDisplayedItem();
+		if (itm != null && itm.stackSize > 0) {
+			Item item = itm.getItem();
+			if (item != null) {
+				float f2 = item.getHeldItemBrightnessEagler() * 0.75f;
+				f = Math.min(f + f2 * 0.5f, 1.0f) + f2 * 0.5f;
+			}
+		}
+		return f;
+	}
 }

src/main/java/net/minecraft/entity/item/EntityMinecartTNT.java

@@ -227,4 +227,12 @@ public class EntityMinecartTNT extends EntityMinecart {
 					entityZ, dynamicLightMag, dynamicLightMag * 0.7792f, dynamicLightMag * 0.618f, false);
 		}
 	}
+
+	protected float getEaglerDynamicLightsValueSimple(float partialTicks) {
+		float f = super.getEaglerDynamicLightsValueSimple(partialTicks);
+		if (minecartTNTFuse > -1 && minecartTNTFuse / 5 % 2 == 0) {
+			f = Math.min(f + 0.75f, 1.25f);
+		}
+		return f;
+	}
 }

src/main/java/net/minecraft/entity/item/EntityTNTPrimed.java

@@ -145,4 +145,12 @@ public class EntityTNTPrimed extends Entity {
 					entityZ, dynamicLightMag, dynamicLightMag * 0.7792f, dynamicLightMag * 0.618f, false);
 		}
 	}
+
+	protected float getEaglerDynamicLightsValueSimple(float partialTicks) {
+		float f = super.getEaglerDynamicLightsValueSimple(partialTicks);
+		if (fuse / 5 % 2 == 0) {
+			f = Math.min(f + 0.75f, 1.25f);
+		}
+		return f;
+	}
 }

src/main/java/net/minecraft/entity/item/EntityXPOrb.java

@@ -84,6 +84,10 @@ public class EntityXPOrb extends Entity {
 		return j | k << 16;
 	}
 
+	protected float getEaglerDynamicLightsValueSimple(float partialTicks) {
+		return 0.25f;
+	}
+
 	/**+
 	 * Called to update the entity's position/logic.
 	 */

src/main/java/net/minecraft/entity/monster/EntityBlaze.java

@@ -104,6 +104,10 @@ public class EntityBlaze extends EntityMob {
 		return 1.0F;
 	}
 
+	protected float getEaglerDynamicLightsValueSimple(float partialTicks) {
+		return 1.0f;
+	}
+
 	/**+
 	 * Called frequently so the entity can update its state every
 	 * tick as required. For example, zombies and skeletons use this

src/main/java/net/minecraft/entity/monster/EntityCreeper.java

@@ -306,4 +306,13 @@ public class EntityCreeper extends EntityMob {
 			DeferredStateManager.setEmissionConstant(1.0f);
 		}
 	}
+
+	protected float getEaglerDynamicLightsValueSimple(float partialTicks) {
+		float f = super.getEaglerDynamicLightsValueSimple(partialTicks);
+		float ff = getCreeperFlashIntensity(partialTicks);
+		if ((int) (ff * 10.0F) % 2 != 0) {
+			f = Math.min(f + 0.5f, 1.15f);
+		}
+		return f;
+	}
 }

src/main/java/net/minecraft/entity/monster/EntityMagmaCube.java

@@ -75,6 +75,10 @@ public class EntityMagmaCube extends EntitySlime {
 		return 1.0F;
 	}
 
+	protected float getEaglerDynamicLightsValueSimple(float partialTicks) {
+		return 1.0f;
+	}
+
 	protected EnumParticleTypes getParticleType() {
 		return EnumParticleTypes.FLAME;
 	}

src/main/java/net/minecraft/entity/projectile/EntityFireball.java

@@ -331,6 +331,10 @@ public abstract class EntityFireball extends Entity {
 		return 1.0F;
 	}
 
+	protected float getEaglerDynamicLightsValueSimple(float partialTicks) {
+		return 1.0f;
+	}
+
 	public int getBrightnessForRender(float var1) {
 		return 15728880;
 	}

src/main/java/net/minecraft/item/Item.java

@@ -1113,4 +1113,8 @@ public class Item {
 									: (this == IRON ? Items.iron_ingot : (this == EMERALD ? Items.diamond : null))));
 		}
 	}
+
+	public float getHeldItemBrightnessEagler() {
+		return 0.0f;
+	}
 }

src/main/java/net/minecraft/item/ItemBlock.java

@@ -167,4 +167,8 @@ public class ItemBlock extends Item {
 	public Block getBlock() {
 		return this.block;
 	}
+
+	public float getHeldItemBrightnessEagler() {
+		return this.block.getLightValue() * 0.06667f;
+	}
 }

src/main/java/net/minecraft/server/MinecraftServer.java

@@ -169,6 +169,11 @@ public abstract class MinecraftServer implements Runnable, ICommandSender, IThre
 			worldsettings = new WorldSettings(worldinfo);
 		}
 
+		if (worldinfo.isOldEaglercraftRandom()) {
+			LogManager.getLogger("EaglerMinecraftServer")
+					.info("Detected a pre-u34 world, using old EaglercraftRandom implementation for world generation");
+		}
+
 		for (int j = 0; j < this.worldServers.length; ++j) {
 			byte b0 = 0;
 			if (j == 1) {

src/main/java/net/minecraft/world/Teleporter.java

@@ -50,7 +50,7 @@ public class Teleporter {
 
 	public Teleporter(WorldServer worldIn) {
 		this.worldServerInstance = worldIn;
-		this.random = new EaglercraftRandom(worldIn.getSeed());
+		this.random = new EaglercraftRandom(worldIn.getSeed(), !worldIn.getWorldInfo().isOldEaglercraftRandom());
 	}
 
 	public void placeInPortal(Entity entityIn, float rotationYaw) {

src/main/java/net/minecraft/world/World.java

@@ -681,7 +681,12 @@ public abstract class World implements IBlockAccess {
 	public int getCombinedLight(BlockPos pos, int lightValue) {
 		int i = this.getLightFromNeighborsFor(EnumSkyBlock.SKY, pos);
 		int j = this.getLightFromNeighborsFor(EnumSkyBlock.BLOCK, pos);
-		if (j < lightValue) {
+		if (lightValue < 0) {
+			j += -lightValue;
+			if (j > 15) {
+				j = 15;
+			}
+		} else if (j < lightValue) {
 			j = lightValue;
 		}
 

src/main/java/net/minecraft/world/WorldProvider.java

@@ -135,8 +135,9 @@ public abstract class WorldProvider {
 			--f;
 		}
 
+		float f2 = f;
 		f = 1.0F - (float) ((Math.cos((double) f * 3.141592653589793D) + 1.0D) / 2.0D);
-		f = f + (f - f) / 3.0F;
+		f = f2 + (f - f2) / 3.0F;
 		return f;
 	}
 

src/main/java/net/minecraft/world/biome/BiomeGenMesa.java

@@ -84,11 +84,12 @@ public class BiomeGenMesa extends BiomeGenBase {
 	public void genTerrainBlocks(World world, EaglercraftRandom random, ChunkPrimer chunkprimer, int i, int j,
 			double d0) {
 		if (this.field_150621_aC == null || this.field_150622_aD != world.getSeed()) {
-			this.func_150619_a(world.getSeed());
+			this.func_150619_a(world.getSeed(), !world.getWorldInfo().isOldEaglercraftRandom());
 		}
 
 		if (this.field_150623_aE == null || this.field_150624_aF == null || this.field_150622_aD != world.getSeed()) {
-			EaglercraftRandom random1 = new EaglercraftRandom(this.field_150622_aD);
+			EaglercraftRandom random1 = new EaglercraftRandom(this.field_150622_aD,
+					!world.getWorldInfo().isOldEaglercraftRandom());
 			this.field_150623_aE = new NoiseGeneratorPerlin(random1, 4);
 			this.field_150624_aF = new NoiseGeneratorPerlin(random1, 1);
 		}
@@ -197,10 +198,10 @@ public class BiomeGenMesa extends BiomeGenBase {
 
 	}
 
-	private void func_150619_a(long parLong1) {
+	private void func_150619_a(long parLong1, boolean scrambleRNG) {
 		this.field_150621_aC = new IBlockState[64];
 		Arrays.fill(this.field_150621_aC, Blocks.hardened_clay.getDefaultState());
-		EaglercraftRandom random = new EaglercraftRandom(parLong1);
+		EaglercraftRandom random = new EaglercraftRandom(parLong1, scrambleRNG);
 		this.field_150625_aG = new NoiseGeneratorPerlin(random, 1);
 
 		for (int l1 = 0; l1 < 64; ++l1) {

src/main/java/net/minecraft/world/chunk/Chunk.java

@@ -927,7 +927,7 @@ public class Chunk {
 	public EaglercraftRandom getRandomWithSeed(long i) {
 		return new EaglercraftRandom(this.worldObj.getSeed() + (long) (this.xPosition * this.xPosition * 4987142)
 				+ (long) (this.xPosition * 5947611) + (long) (this.zPosition * this.zPosition) * 4392871L
-				+ (long) (this.zPosition * 389711) ^ i);
+				+ (long) (this.zPosition * 389711) ^ i, !this.worldObj.getWorldInfo().isOldEaglercraftRandom());
 	}
 
 	public boolean isEmpty() {

src/main/java/net/minecraft/world/chunk/EmptyChunk.java

@@ -163,9 +163,11 @@ public class EmptyChunk extends Chunk {
 	}
 
 	public EaglercraftRandom getRandomWithSeed(long seed) {
-		return new EaglercraftRandom(this.getWorld().getSeed() + (long) (this.xPosition * this.xPosition * 4987142)
-				+ (long) (this.xPosition * 5947611) + (long) (this.zPosition * this.zPosition) * 4392871L
-				+ (long) (this.zPosition * 389711) ^ seed);
+		return new EaglercraftRandom(
+				this.getWorld().getSeed() + (long) (this.xPosition * this.xPosition * 4987142)
+						+ (long) (this.xPosition * 5947611) + (long) (this.zPosition * this.zPosition) * 4392871L
+						+ (long) (this.zPosition * 389711) ^ seed,
+				!this.getWorld().getWorldInfo().isOldEaglercraftRandom());
 	}
 
 	public boolean isEmpty() {

src/main/java/net/minecraft/world/gen/ChunkProviderEnd.java

@@ -54,7 +54,7 @@ public class ChunkProviderEnd implements IChunkProvider {
 
 	public ChunkProviderEnd(World worldIn, long parLong1) {
 		this.endWorld = worldIn;
-		this.endRNG = new EaglercraftRandom(parLong1);
+		this.endRNG = new EaglercraftRandom(parLong1, !worldIn.getWorldInfo().isOldEaglercraftRandom());
 		this.noiseGen1 = new NoiseGeneratorOctaves(this.endRNG, 16);
 		this.noiseGen2 = new NoiseGeneratorOctaves(this.endRNG, 16);
 		this.noiseGen3 = new NoiseGeneratorOctaves(this.endRNG, 8);

src/main/java/net/minecraft/world/gen/ChunkProviderFlat.java

@@ -57,7 +57,8 @@ public class ChunkProviderFlat implements IChunkProvider {
 
 	public ChunkProviderFlat(World worldIn, long seed, boolean generateStructures, String flatGeneratorSettings) {
 		this.worldObj = worldIn;
-		this.random = new EaglercraftRandom(seed);
+		boolean scramble = !worldIn.getWorldInfo().isOldEaglercraftRandom();
+		this.random = new EaglercraftRandom(seed, scramble);
 		this.flatWorldGenInfo = FlatGeneratorInfo.createFlatGeneratorFromString(flatGeneratorSettings);
 		if (generateStructures) {
 			Map map = this.flatWorldGenInfo.getWorldFeatures();
@@ -67,23 +68,23 @@ public class ChunkProviderFlat implements IChunkProvider {
 					map1.put("size", "1");
 				}
 
-				this.structureGenerators.add(new MapGenVillage(map1));
+				this.structureGenerators.add(new MapGenVillage(map1, scramble));
 			}
 
 			if (map.containsKey("biome_1")) {
-				this.structureGenerators.add(new MapGenScatteredFeature((Map) map.get("biome_1")));
+				this.structureGenerators.add(new MapGenScatteredFeature((Map) map.get("biome_1"), scramble));
 			}
 
 			if (map.containsKey("mineshaft")) {
-				this.structureGenerators.add(new MapGenMineshaft((Map) map.get("mineshaft")));
+				this.structureGenerators.add(new MapGenMineshaft((Map) map.get("mineshaft"), scramble));
 			}
 
 			if (map.containsKey("stronghold")) {
-				this.structureGenerators.add(new MapGenStronghold((Map) map.get("stronghold")));
+				this.structureGenerators.add(new MapGenStronghold((Map) map.get("stronghold"), scramble));
 			}
 
 			if (map.containsKey("oceanmonument")) {
-				this.structureGenerators.add(new StructureOceanMonument((Map) map.get("oceanmonument")));
+				this.structureGenerators.add(new StructureOceanMonument((Map) map.get("oceanmonument"), scramble));
 			}
 		}
 

src/main/java/net/minecraft/world/gen/ChunkProviderGenerate.java

@@ -62,25 +62,13 @@ public class ChunkProviderGenerate implements IChunkProvider {
 	private ChunkProviderSettings settings;
 	private Block field_177476_s = Blocks.water;
 	private double[] stoneNoise = new double[256];
-	private MapGenBase caveGenerator = new MapGenCaves();
-	/**+
-	 * Holds Stronghold Generator
-	 */
-	private MapGenStronghold strongholdGenerator = new MapGenStronghold();
-	/**+
-	 * Holds Village Generator
-	 */
-	private MapGenVillage villageGenerator = new MapGenVillage();
-	/**+
-	 * Holds Mineshaft Generator
-	 */
-	private MapGenMineshaft mineshaftGenerator = new MapGenMineshaft();
-	private MapGenScatteredFeature scatteredFeatureGenerator = new MapGenScatteredFeature();
-	/**+
-	 * Holds ravine generator
-	 */
-	private MapGenBase ravineGenerator = new MapGenRavine();
-	private StructureOceanMonument oceanMonumentGenerator = new StructureOceanMonument();
+	private MapGenBase caveGenerator;
+	private MapGenStronghold strongholdGenerator;
+	private MapGenVillage villageGenerator;
+	private MapGenMineshaft mineshaftGenerator;
+	private MapGenScatteredFeature scatteredFeatureGenerator;
+	private MapGenBase ravineGenerator;
+	private StructureOceanMonument oceanMonumentGenerator;
 	private BiomeGenBase[] biomesForGeneration;
 	double[] field_147427_d;
 	double[] field_147428_e;
@@ -91,7 +79,15 @@ public class ChunkProviderGenerate implements IChunkProvider {
 		this.worldObj = worldIn;
 		this.mapFeaturesEnabled = parFlag;
 		this.field_177475_o = worldIn.getWorldInfo().getTerrainType();
-		this.rand = new EaglercraftRandom(parLong1);
+		boolean scramble = !worldIn.getWorldInfo().isOldEaglercraftRandom();
+		this.rand = new EaglercraftRandom(parLong1, scramble);
+		this.caveGenerator = new MapGenCaves(scramble);
+		this.strongholdGenerator = new MapGenStronghold(scramble);
+		this.villageGenerator = new MapGenVillage(scramble);
+		this.mineshaftGenerator = new MapGenMineshaft(scramble);
+		this.scatteredFeatureGenerator = new MapGenScatteredFeature(scramble);
+		this.ravineGenerator = new MapGenRavine(scramble);
+		this.oceanMonumentGenerator = new StructureOceanMonument(scramble);
 		this.field_147431_j = new NoiseGeneratorOctaves(this.rand, 16);
 		this.field_147432_k = new NoiseGeneratorOctaves(this.rand, 16);
 		this.field_147429_l = new NoiseGeneratorOctaves(this.rand, 8);

src/main/java/net/minecraft/world/gen/ChunkProviderHell.java

@@ -77,8 +77,8 @@ public class ChunkProviderHell implements IChunkProvider {
 	private final WorldGenHellLava field_177472_y = new WorldGenHellLava(Blocks.flowing_lava, false);
 	private final GeneratorBushFeature field_177471_z = new GeneratorBushFeature(Blocks.brown_mushroom);
 	private final GeneratorBushFeature field_177465_A = new GeneratorBushFeature(Blocks.red_mushroom);
-	private final MapGenNetherBridge genNetherBridge = new MapGenNetherBridge();
-	private final MapGenBase netherCaveGenerator = new MapGenCavesHell();
+	private final MapGenNetherBridge genNetherBridge;
+	private final MapGenBase netherCaveGenerator;
 	double[] noiseData1;
 	double[] noiseData2;
 	double[] noiseData3;
@@ -88,7 +88,10 @@ public class ChunkProviderHell implements IChunkProvider {
 	public ChunkProviderHell(World worldIn, boolean parFlag, long parLong1) {
 		this.worldObj = worldIn;
 		this.field_177466_i = parFlag;
-		this.hellRNG = new EaglercraftRandom(parLong1);
+		boolean scramble = !worldIn.getWorldInfo().isOldEaglercraftRandom();
+		this.hellRNG = new EaglercraftRandom(parLong1, scramble);
+		this.genNetherBridge = new MapGenNetherBridge(scramble);
+		this.netherCaveGenerator = new MapGenCavesHell(scramble);
 		this.netherNoiseGen1 = new NoiseGeneratorOctaves(this.hellRNG, 16);
 		this.netherNoiseGen2 = new NoiseGeneratorOctaves(this.hellRNG, 16);
 		this.netherNoiseGen3 = new NoiseGeneratorOctaves(this.hellRNG, 8);

src/main/java/net/minecraft/world/gen/MapGenBase.java

@@ -30,12 +30,17 @@ public class MapGenBase {
 	 * The number of Chunks to gen-check in any given direction.
 	 */
 	protected int range = 8;
-	/**+
-	 * The RNG used by the MapGen classes.
-	 */
-	protected EaglercraftRandom rand = new EaglercraftRandom();
+	protected EaglercraftRandom rand;
 	protected World worldObj;
 
+	public MapGenBase() {
+		this(true);
+	}
+
+	public MapGenBase(boolean scramble) {
+		rand = new EaglercraftRandom(scramble);
+	}
+
 	public void generate(IChunkProvider chunkProviderIn, World worldIn, int x, int z, ChunkPrimer chunkPrimerIn) {
 		int i = this.range;
 		this.worldObj = worldIn;

src/main/java/net/minecraft/world/gen/MapGenCaves.java

@@ -32,6 +32,11 @@ import net.minecraft.world.chunk.ChunkPrimer;
  * 
  */
 public class MapGenCaves extends MapGenBase {
+
+	public MapGenCaves(boolean scramble) {
+		super(scramble);
+	}
+
 	protected void func_180703_a(long parLong1, int parInt1, int parInt2, ChunkPrimer parChunkPrimer, double parDouble1,
 			double parDouble2, double parDouble3) {
 		this.func_180702_a(parLong1, parInt1, parInt2, parChunkPrimer, parDouble1, parDouble2, parDouble3,
@@ -45,7 +50,7 @@ public class MapGenCaves extends MapGenBase {
 		double d1 = (double) (parInt2 * 16 + 8);
 		float f = 0.0F;
 		float f1 = 0.0F;
-		EaglercraftRandom random = new EaglercraftRandom(parLong1);
+		EaglercraftRandom random = new EaglercraftRandom(parLong1, this.rand.isScramble());
 		if (parInt4 <= 0) {
 			int i = this.range * 16 - 16;
 			parInt4 = i - random.nextInt(i / 4);

src/main/java/net/minecraft/world/gen/MapGenCavesHell.java

@@ -28,6 +28,11 @@ import net.minecraft.world.chunk.ChunkPrimer;
  * 
  */
 public class MapGenCavesHell extends MapGenBase {
+
+	public MapGenCavesHell(boolean scramble) {
+		super(scramble);
+	}
+
 	protected void func_180705_a(long parLong1, int parInt1, int parInt2, ChunkPrimer parChunkPrimer, double parDouble1,
 			double parDouble2, double parDouble3) {
 		this.func_180704_a(parLong1, parInt1, parInt2, parChunkPrimer, parDouble1, parDouble2, parDouble3,
@@ -41,7 +46,7 @@ public class MapGenCavesHell extends MapGenBase {
 		double d1 = (double) (parInt2 * 16 + 8);
 		float f = 0.0F;
 		float f1 = 0.0F;
-		EaglercraftRandom random = new EaglercraftRandom(parLong1);
+		EaglercraftRandom random = new EaglercraftRandom(parLong1, this.rand.isScramble());
 		if (parInt4 <= 0) {
 			int i = this.range * 16 - 16;
 			parInt4 = i - random.nextInt(i / 4);

src/main/java/net/minecraft/world/gen/MapGenRavine.java

@@ -31,10 +31,14 @@ import net.minecraft.world.chunk.ChunkPrimer;
 public class MapGenRavine extends MapGenBase {
 	private float[] field_75046_d = new float[1024];
 
+	public MapGenRavine(boolean scramble) {
+		super(scramble);
+	}
+
 	protected void func_180707_a(long parLong1, int parInt1, int parInt2, ChunkPrimer parChunkPrimer, double parDouble1,
 			double parDouble2, double parDouble3, float parFloat1, float parFloat2, float parFloat3, int parInt3,
 			int parInt4, double parDouble4) {
-		EaglercraftRandom random = new EaglercraftRandom(parLong1);
+		EaglercraftRandom random = new EaglercraftRandom(parLong1, this.rand.isScramble());
 		double d0 = (double) (parInt1 * 16 + 8);
 		double d1 = (double) (parInt2 * 16 + 8);
 		float f = 0.0F;

src/main/java/net/minecraft/world/gen/feature/WorldGenBigTree.java

@@ -287,7 +287,7 @@ public class WorldGenBigTree extends WorldGenAbstractTree {
 	public boolean generate(World worldIn, EaglercraftRandom rand, BlockPos position) {
 		this.world = worldIn;
 		this.basePos = position;
-		this.rand = new EaglercraftRandom(rand.nextLong());
+		this.rand = new EaglercraftRandom(rand.nextLong(), !worldIn.getWorldInfo().isOldEaglercraftRandom());
 		if (this.heightLimit == 0) {
 			this.heightLimit = 5 + this.rand.nextInt(this.heightLimitLimit);
 		}

src/main/java/net/minecraft/world/gen/structure/MapGenMineshaft.java

@@ -27,14 +27,16 @@ import net.minecraft.util.MathHelper;
 public class MapGenMineshaft extends MapGenStructure {
 	private double field_82673_e = 0.004D;
 
-	public MapGenMineshaft() {
+	public MapGenMineshaft(boolean scramble) {
+		super(scramble);
 	}
 
 	public String getStructureName() {
 		return "Mineshaft";
 	}
 
-	public MapGenMineshaft(Map<String, String> parMap) {
+	public MapGenMineshaft(Map<String, String> parMap, boolean scramble) {
+		super(scramble);
 		for (Entry entry : parMap.entrySet()) {
 			if (((String) entry.getKey()).equals("chance")) {
 				this.field_82673_e = MathHelper.parseDoubleWithDefault((String) entry.getValue(), this.field_82673_e);

src/main/java/net/minecraft/world/gen/structure/MapGenNetherBridge.java

@@ -33,7 +33,8 @@ import net.minecraft.world.biome.BiomeGenBase;
 public class MapGenNetherBridge extends MapGenStructure {
 	private List<BiomeGenBase.SpawnListEntry> spawnList = Lists.newArrayList();
 
-	public MapGenNetherBridge() {
+	public MapGenNetherBridge(boolean scramble) {
+		super(scramble);
 		this.spawnList.add(new BiomeGenBase.SpawnListEntry(EntityBlaze.class, 10, 2, 3));
 		this.spawnList.add(new BiomeGenBase.SpawnListEntry(EntityPigZombie.class, 5, 4, 4));
 		this.spawnList.add(new BiomeGenBase.SpawnListEntry(EntitySkeleton.class, 10, 4, 4));

src/main/java/net/minecraft/world/gen/structure/MapGenScatteredFeature.java

@@ -39,15 +39,16 @@ public class MapGenScatteredFeature extends MapGenStructure {
 	private int maxDistanceBetweenScatteredFeatures;
 	private int minDistanceBetweenScatteredFeatures;
 
-	public MapGenScatteredFeature() {
+	public MapGenScatteredFeature(boolean scramble) {
+		super(scramble);
 		this.scatteredFeatureSpawnList = Lists.newArrayList();
 		this.maxDistanceBetweenScatteredFeatures = 32;
 		this.minDistanceBetweenScatteredFeatures = 8;
 		this.scatteredFeatureSpawnList.add(new BiomeGenBase.SpawnListEntry(EntityWitch.class, 1, 1, 1));
 	}
 
-	public MapGenScatteredFeature(Map<String, String> parMap) {
-		this();
+	public MapGenScatteredFeature(Map<String, String> parMap, boolean scramble) {
+		this(scramble);
 
 		for (Entry entry : parMap.entrySet()) {
 			if (((String) entry.getKey()).equals("distance")) {

src/main/java/net/minecraft/world/gen/structure/MapGenStronghold.java

@@ -39,7 +39,8 @@ public class MapGenStronghold extends MapGenStructure {
 	private double field_82671_h;
 	private int field_82672_i;
 
-	public MapGenStronghold() {
+	public MapGenStronghold(boolean scramble) {
+		super(scramble);
 		this.structureCoords = new ChunkCoordIntPair[3];
 		this.field_82671_h = 32.0D;
 		this.field_82672_i = 3;
@@ -55,8 +56,8 @@ public class MapGenStronghold extends MapGenStructure {
 
 	}
 
-	public MapGenStronghold(Map<String, String> parMap) {
-		this();
+	public MapGenStronghold(Map<String, String> parMap, boolean scramble) {
+		this(scramble);
 
 		for (Entry entry : parMap.entrySet()) {
 			if (((String) entry.getKey()).equals("distance")) {
@@ -79,7 +80,7 @@ public class MapGenStronghold extends MapGenStructure {
 
 	protected boolean canSpawnStructureAtCoords(int i, int j) {
 		if (!this.ranBiomeCheck) {
-			EaglercraftRandom random = new EaglercraftRandom();
+			EaglercraftRandom random = new EaglercraftRandom(!this.worldObj.getWorldInfo().isOldEaglercraftRandom());
 			random.setSeed(this.worldObj.getSeed());
 			double d0 = random.nextDouble() * 3.141592653589793D * 2.0D;
 			int k = 1;

src/main/java/net/minecraft/world/gen/structure/MapGenStructure.java

@@ -46,6 +46,14 @@ public abstract class MapGenStructure extends MapGenBase {
 
 	public abstract String getStructureName();
 
+	public MapGenStructure() {
+		super();
+	}
+
+	public MapGenStructure(boolean scramble) {
+		super(scramble);
+	}
+
 	/**+
 	 * Recursively called by generate()
 	 */

src/main/java/net/minecraft/world/gen/structure/MapGenVillage.java

@@ -40,13 +40,14 @@ public class MapGenVillage extends MapGenStructure {
 	private int field_82665_g;
 	private int field_82666_h;
 
-	public MapGenVillage() {
+	public MapGenVillage(boolean scramble) {
+		super(scramble);
 		this.field_82665_g = 32;
 		this.field_82666_h = 8;
 	}
 
-	public MapGenVillage(Map<String, String> parMap) {
-		this();
+	public MapGenVillage(Map<String, String> parMap, boolean scramble) {
+		this(scramble);
 
 		for (Entry entry : parMap.entrySet()) {
 			if (((String) entry.getKey()).equals("size")) {

src/main/java/net/minecraft/world/gen/structure/StructureOceanMonument.java

@@ -45,13 +45,14 @@ public class StructureOceanMonument extends MapGenStructure {
 			BiomeGenBase.deepOcean, BiomeGenBase.river, BiomeGenBase.frozenOcean, BiomeGenBase.frozenRiver });
 	private static final List<BiomeGenBase.SpawnListEntry> field_175803_h = Lists.newArrayList();
 
-	public StructureOceanMonument() {
+	public StructureOceanMonument(boolean scramble) {
+		super(scramble);
 		this.field_175800_f = 32;
 		this.field_175801_g = 5;
 	}
 
-	public StructureOceanMonument(Map<String, String> parMap) {
-		this();
+	public StructureOceanMonument(Map<String, String> parMap, boolean scramble) {
+		this(scramble);
 
 		for (Entry entry : parMap.entrySet()) {
 			if (((String) entry.getKey()).equals("spacing")) {

src/main/java/net/minecraft/world/storage/WorldInfo.java

@@ -71,6 +71,9 @@ public class WorldInfo {
 	private int borderWarningTime = 15;
 	private GameRules theGameRules = new GameRules();
 
+	public static final int eaglerVersionCurrent = 1;
+	private int eaglerVersion = eaglerVersionCurrent;
+
 	protected WorldInfo() {
 	}
 
@@ -187,6 +190,7 @@ public class WorldInfo {
 			this.borderWarningTime = nbt.getInteger("BorderWarningTime");
 		}
 
+		this.eaglerVersion = nbt.getInteger("eaglerVersionSerial");
 	}
 
 	public WorldInfo(WorldSettings settings, String name) {
@@ -296,6 +300,7 @@ public class WorldInfo {
 		nbt.setDouble("BorderSizeLerpTarget", this.borderSizeLerpTarget);
 		nbt.setDouble("BorderWarningBlocks", (double) this.borderWarningDistance);
 		nbt.setDouble("BorderWarningTime", (double) this.borderWarningTime);
+		nbt.setInteger("eaglerVersionSerial", this.eaglerVersion);
 		if (this.difficulty != null) {
 			nbt.setByte("Difficulty", (byte) this.difficulty.getDifficultyId());
 		}
@@ -712,6 +717,20 @@ public class WorldInfo {
 		this.difficultyLocked = flag;
 	}
 
+	public int getEaglerVersion() {
+		return this.eaglerVersion;
+	}
+
+	public boolean isOldEaglercraftRandom() {
+		return this.eaglerVersion == 0;
+	}
+
+	public static void initEaglerVersion(NBTTagCompound compound) {
+		if (!compound.hasKey("eaglerVersionSerial", 99)) {
+			compound.setInteger("eaglerVersionSerial", eaglerVersionCurrent);
+		}
+	}
+
 	/**+
 	 * Adds this WorldInfo instance to the crash report.
 	 */