Fixed even more rendering stuff

Even more rendering BS!

src/teavm/java/net/minecraft/client/model/ModelRenderer.java

@@ -100,16 +100,15 @@ public final class ModelRenderer {
 					var4.startDrawingQuads();
 					TexturedQuad var10000 = var2.faces[var5];
 					float var8 = var3;
-					Tessellator var7 = var4;
 					TexturedQuad var6 = var10000;
 					Vec3D var9 = var6.vertexPositions[1].vector3D.subtract(var6.vertexPositions[0].vector3D).normalize();
 					Vec3D var10 = var6.vertexPositions[1].vector3D.subtract(var6.vertexPositions[2].vector3D).normalize();
 					var9 = (new Vec3D(var9.yCoord * var10.zCoord - var9.zCoord * var10.yCoord, var9.zCoord * var10.xCoord - var9.xCoord * var10.zCoord, var9.xCoord * var10.yCoord - var9.yCoord * var10.xCoord)).normalize();
-					Tessellator.setNormal(-var9.xCoord, -var9.yCoord, -var9.zCoord);
+					var4.setNormal(-var9.xCoord, -var9.yCoord, -var9.zCoord);
 
 					for(int var11 = 0; var11 < 4; ++var11) {
 						PositionTextureVertex var12 = var6.vertexPositions[var11];
-						var7.addVertexWithUV(var12.vector3D.xCoord * var8, var12.vector3D.yCoord * var8, var12.vector3D.zCoord * var8, var12.texturePositionX, var12.texturePositionY);
+						var4.addVertexWithUV(var12.vector3D.xCoord * var8, var12.vector3D.yCoord * var8, var12.vector3D.zCoord * var8, var12.texturePositionX, var12.texturePositionY);
 					}
 
 					var4.draw();

src/teavm/java/net/minecraft/client/render/ItemRenderer.java

@@ -83,21 +83,21 @@ public final class ItemRenderer {
 				GL11.glRotatef(50.0F, 0.0F, 1.0F, 0.0F);
 				GL11.glRotatef(335.0F, 0.0F, 0.0F, 1.0F);
 				GL11.glTranslatef(-(15.0F / 16.0F), -(1.0F / 16.0F), 0.0F);
-				Tessellator.setNormal(0.0F, 0.0F, 1.0F);
+				var11.setNormal(0.0F, 0.0F, 1.0F);
 				var11.startDrawingQuads();
 				var11.addVertexWithUV(0.0F, 0.0F, 0.0F, var1, var9);
 				var11.addVertexWithUV(1.0F, 0.0F, 0.0F, var5, var9);
 				var11.addVertexWithUV(1.0F, 1.0F, 0.0F, var5, var2);
 				var11.addVertexWithUV(0.0F, 1.0F, 0.0F, var1, var2);
 				var11.draw();
-				Tessellator.setNormal(0.0F, 0.0F, -1.0F);
+				var11.setNormal(0.0F, 0.0F, -1.0F);
 				var11.startDrawingQuads();
 				var11.addVertexWithUV(0.0F, 1.0F, -(1.0F / 16.0F), var1, var2);
 				var11.addVertexWithUV(1.0F, 1.0F, -(1.0F / 16.0F), var5, var2);
 				var11.addVertexWithUV(1.0F, 0.0F, -(1.0F / 16.0F), var5, var9);
 				var11.addVertexWithUV(0.0F, 0.0F, -(1.0F / 16.0F), var1, var9);
 				var11.draw();
-				Tessellator.setNormal(-1.0F, 0.0F, 0.0F);
+				var11.setNormal(-1.0F, 0.0F, 0.0F);
 				var11.startDrawingQuads();
 
 				int var6;
@@ -114,7 +114,7 @@ public final class ItemRenderer {
 				}
 
 				var11.draw();
-				Tessellator.setNormal(1.0F, 0.0F, 0.0F);
+				var11.setNormal(1.0F, 0.0F, 0.0F);
 				var11.startDrawingQuads();
 
 				for(var6 = 0; var6 < 16; ++var6) {
@@ -128,7 +128,7 @@ public final class ItemRenderer {
 				}
 
 				var11.draw();
-				Tessellator.setNormal(0.0F, 1.0F, 0.0F);
+				var11.setNormal(0.0F, 1.0F, 0.0F);
 				var11.startDrawingQuads();
 
 				for(var6 = 0; var6 < 16; ++var6) {
@@ -142,7 +142,7 @@ public final class ItemRenderer {
 				}
 
 				var11.draw();
-				Tessellator.setNormal(0.0F, -1.0F, 0.0F);
+				var11.setNormal(0.0F, -1.0F, 0.0F);
 				var11.startDrawingQuads();
 
 				for(var6 = 0; var6 < 16; ++var6) {

src/teavm/java/net/minecraft/client/render/RenderBlocks.java

@@ -761,44 +761,44 @@ public final class RenderBlocks {
 		if(var3 == 0) {
 			GL11.glTranslatef(-0.5F, -0.5F, -0.5F);
 			var2.startDrawingQuads();
-			Tessellator.setNormal(0.0F, -1.0F, 0.0F);
+			var2.setNormal(0.0F, -1.0F, 0.0F);
 			this.renderBlockBottom(var1, 0.0F, 0.0F, 0.0F, var1.getBlockTextureFromSide(0));
 			var2.draw();
 			var2.startDrawingQuads();
-			Tessellator.setNormal(0.0F, 1.0F, 0.0F);
+			var2.setNormal(0.0F, 1.0F, 0.0F);
 			this.renderBlockTop(var1, 0.0F, 0.0F, 0.0F, var1.getBlockTextureFromSide(1));
 			var2.draw();
 			var2.startDrawingQuads();
-			Tessellator.setNormal(0.0F, 0.0F, -1.0F);
+			var2.setNormal(0.0F, 0.0F, -1.0F);
 			this.renderBlockNorth(var1, 0, 0, 0, var1.getBlockTextureFromSide(2));
 			var2.draw();
 			var2.startDrawingQuads();
-			Tessellator.setNormal(0.0F, 0.0F, 1.0F);
+			var2.setNormal(0.0F, 0.0F, 1.0F);
 			this.renderBlockSouth(var1, 0, 0, 0, var1.getBlockTextureFromSide(3));
 			var2.draw();
 			var2.startDrawingQuads();
-			Tessellator.setNormal(-1.0F, 0.0F, 0.0F);
+			var2.setNormal(-1.0F, 0.0F, 0.0F);
 			this.renderBlockWest(var1, 0, 0, 0, var1.getBlockTextureFromSide(4));
 			var2.draw();
 			var2.startDrawingQuads();
-			Tessellator.setNormal(1.0F, 0.0F, 0.0F);
+			var2.setNormal(1.0F, 0.0F, 0.0F);
 			this.renderBlockEast(var1, 0, 0, 0, var1.getBlockTextureFromSide(5));
 			var2.draw();
 			GL11.glTranslatef(0.5F, 0.5F, 0.5F);
 		} else if(var3 == 1) {
 			var2.startDrawingQuads();
-			Tessellator.setNormal(0.0F, -1.0F, 0.0F);
+			var2.setNormal(0.0F, -1.0F, 0.0F);
 			this.renderBlockPlant(var1, -1, -0.5F, -0.5F, -0.5F);
 			var2.draw();
 		} else if(var3 == 6) {
 			var2.startDrawingQuads();
-			Tessellator.setNormal(0.0F, -1.0F, 0.0F);
+			var2.setNormal(0.0F, -1.0F, 0.0F);
 			this.renderBlockCrops(var1, -1, -0.5F, -0.5F, -0.5F);
 			var2.draw();
 		} else {
 			if(var3 == 2) {
 				var2.startDrawingQuads();
-				Tessellator.setNormal(0.0F, -1.0F, 0.0F);
+				var2.setNormal(0.0F, -1.0F, 0.0F);
 				this.renderBlockTorch(var1, -0.5F, -0.5F, -0.5F, 0.0F, 0.0F);
 				var2.draw();
 			}

src/teavm/java/net/minecraft/client/render/Tessellator.java

@@ -1,223 +1,349 @@
 package net.minecraft.client.render;
 
-import java.nio.ByteBuffer;
-import java.nio.FloatBuffer;
-import java.nio.IntBuffer;
-import org.lwjgl.BufferUtils;
-import org.lwjgl.opengl.ARBVertexBufferObject;
 import org.lwjgl.opengl.GL11;
-import org.lwjgl.opengl.GL15;
+import org.teavm.jso.typedarrays.ArrayBuffer;
+import org.teavm.jso.typedarrays.Float32Array;
+import org.teavm.jso.typedarrays.Int32Array;
 
-public final class Tessellator {
+public class Tessellator {
-	private static boolean convertQuadsToTriangles = false;
+
-	private static boolean tryVBO = false;
+	/** The byte buffer used for GL allocation. */
-	private ByteBuffer byteBuffer = BufferUtils.createByteBuffer(8388608);
+	private Int32Array intBuffer;
-	private int[] rawBuffer = new int[2097152];
+	private Float32Array floatBuffer;
+
+	/**
+	 * The number of vertices to be drawn in the next draw call. Reset to 0 between
+	 * draw calls.
+	 */
 	private int vertexCount = 0;
+
+	/** The first coordinate to be used for the texture. */
 	private float textureU;
+
+	/** The second coordinate to be used for the texture. */
 	private float textureV;
+
+	/** The color (RGBA) value to be used for the following draw call. */
 	private int color;
+
+	/**
+	 * Whether the current draw object for this tessellator has color values.
+	 */
 	private boolean hasColor = false;
+
+	/**
+	 * Whether the current draw object for this tessellator has texture coordinates.
+	 */
 	private boolean hasTexture = false;
+
+	/**
+	 * Whether the current draw object for this tessellator has normal values.
+	 */
+	private boolean hasNormals = false;
+
+	/** The index into the raw buffer to be used for the next data. */
 	private int rawBufferIndex = 0;
+
+	/**
+	 * The number of vertices manually added to the given draw call. This differs
+	 * from vertexCount because it adds extra vertices when converting quads to
+	 * triangles.
+	 */
 	private int addedVertices = 0;
+
+	/** Disables all color information for the following draw call. */
 	private boolean isColorDisabled = false;
+
+	/** The draw mode currently being used by the tessellator. */
 	private int drawMode;
-	public static Tessellator instance = new Tessellator();
+
+	/**
+	 * An offset to be applied along the x-axis for all vertices in this draw call.
+	 */
+	private double xOffset;
+
+	/**
+	 * An offset to be applied along the y-axis for all vertices in this draw call.
+	 */
+	private double yOffset;
+
+	/**
+	 * An offset to be applied along the z-axis for all vertices in this draw call.
+	 */
+	private double zOffset;
+
+	/** The normal to be applied to the face being drawn. */
+	private int normal;
+
+	/** The static instance of the Tessellator. */
+	public static final Tessellator instance = new Tessellator(285000);
+
+	/** Whether this tessellator is currently in draw mode. */
 	private boolean isDrawing = false;
+
+	/** Whether we are currently using VBO or not. */
 	private boolean useVBO = false;
-	private IntBuffer vertexBuffers;
-	private int vboIndex = 0;
-	private int vboCount = 10;
 
-	private Tessellator() {
+	/** The size of the buffers used (in integers). */
-		this.useVBO = false;
+	private int bufferSize;
-		if(this.useVBO) {
-			this.vertexBuffers = BufferUtils.createIntBuffer(this.vboCount);
-			ARBVertexBufferObject.glGenBuffersARB(this.vertexBuffers);
-		}
 
+	private Tessellator(int par1) {
+		this.bufferSize = par1;
+		ArrayBuffer a = ArrayBuffer.create(par1 * 4);
+		this.intBuffer = Int32Array.create(a);
+		this.floatBuffer = Float32Array.create(a);
 	}
 
-	public final void draw() {
+	/**
-		if(!this.isDrawing) {
+	 * Draws the data set up in this tessellator and resets the state to prepare for
-			throw new IllegalStateException("Not tesselating!");
+	 * new drawing.
+	 */
+	public int draw() {
+		if (!this.isDrawing) {
+			return 0;
 		} else {
 			this.isDrawing = false;
-			if(this.vertexCount > 0) {
+
-				IntBuffer var1 = this.byteBuffer.asIntBuffer();
+			if (this.vertexCount > 0) {
-				FloatBuffer var2 = this.byteBuffer.asFloatBuffer();
+				
-				var1.clear();
+				if (this.hasTexture) {
-				var1.put(this.rawBuffer, 0, this.rawBufferIndex);
+					GL11.glEnableVertexAttrib(GL11.GL_TEXTURE_COORD_ARRAY);
-				this.byteBuffer.position(0);
-				this.byteBuffer.limit(this.rawBufferIndex << 2);
-				if(this.useVBO) {
-					this.vboIndex = (this.vboIndex + 1) % this.vboCount;
-					ARBVertexBufferObject.glBindBufferARB(GL15.GL_ARRAY_BUFFER, this.vertexBuffers.get(this.vboIndex));
-					ARBVertexBufferObject.glBufferDataARB(GL15.GL_ARRAY_BUFFER, this.byteBuffer, GL15.GL_STREAM_DRAW);
 				}
 
-				if(this.hasTexture) {
+				if (this.hasColor) {
-					if(this.useVBO) {
+					GL11.glEnableVertexAttrib(GL11.GL_COLOR_ARRAY);
-						GL11.glTexCoordPointer(2, GL11.GL_FLOAT, 32, 12L);
-					} else {
-						var2.position(3);
-						GL11.glTexCoordPointer(2, 32, (FloatBuffer)var2);
-					}
-
-					GL11.glEnableClientState(GL11.GL_TEXTURE_COORD_ARRAY);
 				}
 
-				if(this.hasColor) {
+				if (this.hasNormals) {
-					if(this.useVBO) {
+					GL11.glEnableVertexAttrib(GL11.GL_NORMAL_ARRAY);
-						GL11.glColorPointer(4, GL11.GL_UNSIGNED_BYTE, 32, 20L);
+				}
-					} else {
+				
-						this.byteBuffer.position(20);
+				GL11.glDrawArrays(this.drawMode, 0, this.vertexCount, Int32Array.create(intBuffer.getBuffer(), 0, this.vertexCount * 7));
-						GL11.glColorPointer(4, true, 32, this.byteBuffer);
+				
-					}
+				if (this.hasTexture) {
-
+					GL11.glDisableVertexAttrib(GL11.GL_TEXTURE_COORD_ARRAY);
-					GL11.glEnableClientState(GL11.GL_COLOR_ARRAY);
 				}
 
-				if(this.useVBO) {
+				if (this.hasColor) {
-					GL11.glVertexPointer(3, GL11.GL_FLOAT, 32, 0L);
+					GL11.glDisableVertexAttrib(GL11.GL_COLOR_ARRAY);
-				} else {
-					var2.position(0);
-					GL11.glVertexPointer(3, 32, (FloatBuffer)var2);
 				}
 
-				GL11.glEnableClientState(GL11.GL_VERTEX_ARRAY);
+				if (this.hasNormals) {
-				GL11.glDrawArrays(this.drawMode, GL11.GL_POINTS, this.vertexCount);
+					GL11.glDisableVertexAttrib(GL11.GL_NORMAL_ARRAY);
-				GL11.glDisableClientState(GL11.GL_VERTEX_ARRAY);
-				if(this.hasTexture) {
-					GL11.glDisableClientState(GL11.GL_TEXTURE_COORD_ARRAY);
-				}
-
-				if(this.hasColor) {
-					GL11.glDisableClientState(GL11.GL_COLOR_ARRAY);
 				}
 			}
 
+			int var1 = this.rawBufferIndex * 4;
 			this.reset();
+			return var1;
 		}
 	}
 
+	/**
+	 * Clears the tessellator state in preparation for new drawing.
+	 */
 	private void reset() {
 		this.vertexCount = 0;
-		this.byteBuffer.clear();
+		//this.byteBuffer.clear();
 		this.rawBufferIndex = 0;
 		this.addedVertices = 0;
 	}
 
-	public final void startDrawingQuads() {
+	/**
-		this.startDrawing(7);
+	 * Sets draw mode in the tessellator to draw quads.
+	 */
+	public void startDrawingQuads() {
+		this.startDrawing(GL11.GL_QUADS);
 	}
 
-	public final void startDrawing(int var1) {
+	/**
-		if(this.isDrawing) {
+	 * Resets tessellator state and prepares for drawing (with the specified draw
-			throw new IllegalStateException("Already tesselating!");
+	 * mode).
-		} else {
+	 */
-			this.isDrawing = true;
+	public void startDrawing(int par1) {
-			this.reset();
+		if (this.isDrawing) {
-			this.drawMode = var1;
+			this.draw();
-			this.hasColor = false;
-			this.hasTexture = false;
-			this.isColorDisabled = false;
 		}
+		this.isDrawing = true;
+		this.reset();
+		this.drawMode = par1;
+		this.hasNormals = false;
+		this.hasColor = false;
+		this.hasTexture = false;
+		this.isColorDisabled = false;
 	}
 
-	public final void setColorOpaque_F(float var1, float var2, float var3) {
+	/**
-		this.setColorOpaque((int)(var1 * 255.0F), (int)(var2 * 255.0F), (int)(var3 * 255.0F));
+	 * Sets the texture coordinates.
+	 */
+	public void setTextureUV(double par1, double par3) {
+		this.hasTexture = true;
+		this.textureU = (float) par1;
+		this.textureV = (float) par3;
 	}
 
-	public final void setColorRGBA_F(float var1, float var2, float var3, float var4) {
+	/**
-		this.setColorRGBA((int)(var1 * 255.0F), (int)(var2 * 255.0F), (int)(var3 * 255.0F), (int)(var4 * 255.0F));
+	 * Sets the RGB values as specified, converting from floats between 0 and 1 to
+	 * integers from 0-255.
+	 */
+	public void setColorOpaque_F(float par1, float par2, float par3) {
+		this.setColorOpaque((int) (par1 * 255.0F), (int) (par2 * 255.0F), (int) (par3 * 255.0F));
 	}
 
-	private void setColorOpaque(int var1, int var2, int var3) {
+	/**
-		this.setColorRGBA(var1, var2, var3, 255);
+	 * Sets the RGBA values for the color, converting from floats between 0 and 1 to
+	 * integers from 0-255.
+	 */
+	public void setColorRGBA_F(float par1, float par2, float par3, float par4) {
+		this.setColorRGBA((int) (par1 * 255.0F), (int) (par2 * 255.0F), (int) (par3 * 255.0F), (int) (par4 * 255.0F));
 	}
 
-	private void setColorRGBA(int var1, int var2, int var3, int var4) {
+	/**
-		if(!this.isColorDisabled) {
+	 * Sets the RGB values as specified, and sets alpha to opaque.
-			if(var1 > 255) {
+	 */
-				var1 = 255;
+	public void setColorOpaque(int par1, int par2, int par3) {
+		this.setColorRGBA(par1, par2, par3, 255);
+	}
+
+	/**
+	 * Sets the RGBA values for the color. Also clamps them to 0-255.
+	 */
+	public void setColorRGBA(int par1, int par2, int par3, int par4) {
+		if (!this.isColorDisabled) {
+			if (par1 > 255) {
+				par1 = 255;
 			}
 
-			if(var2 > 255) {
+			if (par2 > 255) {
-				var2 = 255;
+				par2 = 255;
 			}
 
-			if(var3 > 255) {
+			if (par3 > 255) {
-				var3 = 255;
+				par3 = 255;
 			}
 
-			if(var4 > 255) {
+			if (par4 > 255) {
-				var4 = 255;
+				par4 = 255;
 			}
 
-			if(var1 < 0) {
+			if (par1 < 0) {
-				var1 = 0;
+				par1 = 0;
 			}
 
-			if(var2 < 0) {
+			if (par2 < 0) {
-				var2 = 0;
+				par2 = 0;
 			}
 
-			if(var3 < 0) {
+			if (par3 < 0) {
-				var3 = 0;
+				par3 = 0;
 			}
 
-			if(var4 < 0) {
+			if (par4 < 0) {
-				var4 = 0;
+				par4 = 0;
 			}
 
 			this.hasColor = true;
-			this.color = var4 << 24 | var3 << 16 | var2 << 8 | var1;
+			this.color = par4 << 24 | par3 << 16 | par2 << 8 | par1;
 		}
 	}
 
-	public final void addVertexWithUV(float var1, float var2, float var3, float var4, float var5) {
+	/**
-		this.hasTexture = true;
+	 * Adds a vertex specifying both x,y,z and the texture u,v for it.
-		this.textureU = var4;
+	 */
-		this.textureV = var5;
+	public void addVertexWithUV(double par1, double par3, double par5, double par7, double par9) {
-		this.addVertex(var1, var2, var3);
+		this.setTextureUV(par7, par9);
+		this.addVertex(par1, par3, par5);
 	}
 
-	public final void addVertex(float var1, float var2, float var3) {
+	/**
+	 * Adds a vertex with the specified x,y,z to the current draw call. It will
+	 * trigger a draw() if the buffer gets full.
+	 */
+	public void addVertex(double par1, double par3, double par5) {
+		if(this.addedVertices > 65534) return;
 		++this.addedVertices;
-		if(this.hasTexture) {
-			this.rawBuffer[this.rawBufferIndex + 3] = Float.floatToRawIntBits(this.textureU);
-			this.rawBuffer[this.rawBufferIndex + 4] = Float.floatToRawIntBits(this.textureV);
-		}
-
-		if(this.hasColor) {
-			this.rawBuffer[this.rawBufferIndex + 5] = this.color;
-		}
-
-		this.rawBuffer[this.rawBufferIndex] = Float.floatToRawIntBits(var1);
-		this.rawBuffer[this.rawBufferIndex + 1] = Float.floatToRawIntBits(var2);
-		this.rawBuffer[this.rawBufferIndex + 2] = Float.floatToRawIntBits(var3);
-		this.rawBufferIndex += 8;
 		++this.vertexCount;
-		if(this.vertexCount % 4 == 0 && this.rawBufferIndex >= 2097120) {
+		
-			this.draw();
+		int bufferIndex = this.rawBufferIndex;
+		Int32Array intBuffer0 = intBuffer;
+		Float32Array floatBuffer0 = floatBuffer;
+
+		floatBuffer0.set(bufferIndex + 0, (float) (par1 + this.xOffset));
+		floatBuffer0.set(bufferIndex + 1, (float) (par3 + this.yOffset));
+		floatBuffer0.set(bufferIndex + 2, (float) (par5 + this.zOffset));
+
+		if (this.hasTexture) {
+			floatBuffer0.set(bufferIndex + 3, this.textureU);
+			floatBuffer0.set(bufferIndex + 4, this.textureV);
 		}
 
+		if (this.hasColor) {
+			intBuffer0.set(bufferIndex + 5, this.color);
+		}
+
+		if (this.hasNormals) {
+			intBuffer0.set(bufferIndex + 6, this.normal);
+		}
+		
+		this.rawBufferIndex += 7;
 	}
 
-	public final void setColorOpaque_I(int var1) {
+	/**
-		int var2 = var1 >> 16 & 255;
+	 * Sets the color to the given opaque value (stored as byte values packed in an
-		int var3 = var1 >> 8 & 255;
+	 * integer).
-		var1 &= 255;
+	 */
-		this.setColorOpaque(var2, var3, var1);
+	public void setColorOpaque_I(int par1) {
+		int var2 = par1 >> 16 & 255;
+		int var3 = par1 >> 8 & 255;
+		int var4 = par1 & 255;
+		this.setColorOpaque(var2, var3, var4);
 	}
 
-	public final void disableColor() {
+	/**
+	 * Sets the color to the given color (packed as bytes in integer) and alpha
+	 * values.
+	 */
+	public void setColorRGBA_I(int par1, int par2) {
+		int var3 = par1 >> 16 & 255;
+		int var4 = par1 >> 8 & 255;
+		int var5 = par1 & 255;
+		this.setColorRGBA(var3, var4, var5, par2);
+	}
+
+	/**
+	 * Disables colors for the current draw call.
+	 */
+	public void disableColor() {
 		this.isColorDisabled = true;
 	}
 
-	public static void setNormal(float var0, float var1, float var2) {
+	/**
-		GL11.glNormal3f(var0, var1, var2);
+	 * Sets the normal for the current draw call.
+	 */
+	public void setNormal(float par1, float par2, float par3) {
+		this.hasNormals = true;
+		float len = (float) Math.sqrt(par1 * par1 + par2 * par2 + par3 * par3);
+		int var4 = (int)((par1 / len) * 125.0F) + 125;
+		int var5 = (int)((par2 / len) * 125.0F) + 125;
+		int var6 = (int)((par3 / len) * 125.0F) + 125;
+		this.normal = var4 & 255 | (var5 & 255) << 8 | (var6 & 255) << 16;
 	}
-}
+
+	/**
+	 * Sets the translation for all vertices in the current draw call.
+	 */
+	public void setTranslationD(double par1, double par3, double par5) {
+		this.xOffset = par1;
+		this.yOffset = par3;
+		this.zOffset = par5;
+	}
+
+	/**
+	 * Offsets the translation for all vertices in the current draw call.
+	 */
+	public void setTranslationF(float par1, float par2, float par3) {
+		this.xOffset += (float) par1;
+		this.yOffset += (float) par2;
+		this.zOffset += (float) par3;
+	}
+}

src/teavm/java/net/minecraft/client/render/entity/Render.java

@@ -39,32 +39,32 @@ public abstract class Render {
 		Tessellator var1 = Tessellator.instance;
 		GL11.glColor4f(1.0F, 1.0F, 1.0F, 1.0F);
 		var1.startDrawingQuads();
-		Tessellator.setNormal(0.0F, 0.0F, -1.0F);
+		var1.setNormal(0.0F, 0.0F, -1.0F);
 		var1.addVertex(var0.minX, var0.maxY, var0.minZ);
 		var1.addVertex(var0.maxX, var0.maxY, var0.minZ);
 		var1.addVertex(var0.maxX, var0.minY, var0.minZ);
 		var1.addVertex(var0.minX, var0.minY, var0.minZ);
-		Tessellator.setNormal(0.0F, 0.0F, 1.0F);
+		var1.setNormal(0.0F, 0.0F, 1.0F);
 		var1.addVertex(var0.minX, var0.minY, var0.maxZ);
 		var1.addVertex(var0.maxX, var0.minY, var0.maxZ);
 		var1.addVertex(var0.maxX, var0.maxY, var0.maxZ);
 		var1.addVertex(var0.minX, var0.maxY, var0.maxZ);
-		Tessellator.setNormal(0.0F, -1.0F, 0.0F);
+		var1.setNormal(0.0F, -1.0F, 0.0F);
 		var1.addVertex(var0.minX, var0.minY, var0.minZ);
 		var1.addVertex(var0.maxX, var0.minY, var0.minZ);
 		var1.addVertex(var0.maxX, var0.minY, var0.maxZ);
 		var1.addVertex(var0.minX, var0.minY, var0.maxZ);
-		Tessellator.setNormal(0.0F, 1.0F, 0.0F);
+		var1.setNormal(0.0F, 1.0F, 0.0F);
 		var1.addVertex(var0.minX, var0.maxY, var0.maxZ);
 		var1.addVertex(var0.maxX, var0.maxY, var0.maxZ);
 		var1.addVertex(var0.maxX, var0.maxY, var0.minZ);
 		var1.addVertex(var0.minX, var0.maxY, var0.minZ);
-		Tessellator.setNormal(-1.0F, 0.0F, 0.0F);
+		var1.setNormal(-1.0F, 0.0F, 0.0F);
 		var1.addVertex(var0.minX, var0.minY, var0.maxZ);
 		var1.addVertex(var0.minX, var0.maxY, var0.maxZ);
 		var1.addVertex(var0.minX, var0.maxY, var0.minZ);
 		var1.addVertex(var0.minX, var0.minY, var0.minZ);
-		Tessellator.setNormal(1.0F, 0.0F, 0.0F);
+		var1.setNormal(1.0F, 0.0F, 0.0F);
 		var1.addVertex(var0.maxX, var0.minY, var0.minZ);
 		var1.addVertex(var0.maxX, var0.maxY, var0.minZ);
 		var1.addVertex(var0.maxX, var0.maxY, var0.maxZ);

src/teavm/java/net/minecraft/client/render/entity/RenderItem.java

@@ -184,7 +184,7 @@ public final class RenderItem extends Render {
 
 				GL11.glRotatef(180.0F - var12.renderManager.playerViewY, 0.0F, 1.0F, 0.0F);
 				var15.startDrawingQuads();
-				Tessellator.setNormal(0.0F, 1.0F, 0.0F);
+				var15.setNormal(0.0F, 1.0F, 0.0F);
 				var15.addVertexWithUV(-0.5F, -0.25F, 0.0F, var4, var2);
 				var15.addVertexWithUV(0.5F, -0.25F, 0.0F, var5, var2);
 				var15.addVertexWithUV(0.5F, 12.0F / 16.0F, 0.0F, var5, var6);

src/teavm/java/net/minecraft/client/render/entity/RenderPainting.java

@@ -65,32 +65,32 @@ public final class RenderPainting extends Render {
 				var18 = (float)(var27 + var25 - (var10 + 1 << 4)) / 256.0F;
 				Tessellator var29 = Tessellator.instance;
 				var29.startDrawingQuads();
-				Tessellator.setNormal(0.0F, 0.0F, -1.0F);
+				var29.setNormal(0.0F, 0.0F, -1.0F);
 				var29.addVertexWithUV(var11, var14, -0.5F, var16, var17);
 				var29.addVertexWithUV(var12, var14, -0.5F, var15, var17);
 				var29.addVertexWithUV(var12, var13, -0.5F, var15, var18);
 				var29.addVertexWithUV(var11, var13, -0.5F, var16, var18);
-				Tessellator.setNormal(0.0F, 0.0F, 1.0F);
+				var29.setNormal(0.0F, 0.0F, 1.0F);
 				var29.addVertexWithUV(var11, var13, 0.5F, 12.0F / 16.0F, 0.0F);
 				var29.addVertexWithUV(var12, var13, 0.5F, 13.0F / 16.0F, 0.0F);
 				var29.addVertexWithUV(var12, var14, 0.5F, 13.0F / 16.0F, 1.0F / 16.0F);
 				var29.addVertexWithUV(var11, var14, 0.5F, 12.0F / 16.0F, 1.0F / 16.0F);
-				Tessellator.setNormal(0.0F, -1.0F, 0.0F);
+				var29.setNormal(0.0F, -1.0F, 0.0F);
 				var29.addVertexWithUV(var11, var13, -0.5F, 12.0F / 16.0F, 0.001953125F);
 				var29.addVertexWithUV(var12, var13, -0.5F, 13.0F / 16.0F, 0.001953125F);
 				var29.addVertexWithUV(var12, var13, 0.5F, 13.0F / 16.0F, 0.001953125F);
 				var29.addVertexWithUV(var11, var13, 0.5F, 12.0F / 16.0F, 0.001953125F);
-				Tessellator.setNormal(0.0F, 1.0F, 0.0F);
+				var29.setNormal(0.0F, 1.0F, 0.0F);
 				var29.addVertexWithUV(var11, var14, 0.5F, 12.0F / 16.0F, 0.001953125F);
 				var29.addVertexWithUV(var12, var14, 0.5F, 13.0F / 16.0F, 0.001953125F);
 				var29.addVertexWithUV(var12, var14, -0.5F, 13.0F / 16.0F, 0.001953125F);
 				var29.addVertexWithUV(var11, var14, -0.5F, 12.0F / 16.0F, 0.001953125F);
-				Tessellator.setNormal(-1.0F, 0.0F, 0.0F);
+				var29.setNormal(-1.0F, 0.0F, 0.0F);
 				var29.addVertexWithUV(var11, var13, 0.5F, 385.0F / 512.0F, 0.0F);
 				var29.addVertexWithUV(var11, var14, 0.5F, 385.0F / 512.0F, 1.0F / 16.0F);
 				var29.addVertexWithUV(var11, var14, -0.5F, 385.0F / 512.0F, 1.0F / 16.0F);
 				var29.addVertexWithUV(var11, var13, -0.5F, 385.0F / 512.0F, 0.0F);
-				Tessellator.setNormal(1.0F, 0.0F, 0.0F);
+				var29.setNormal(1.0F, 0.0F, 0.0F);
 				var29.addVertexWithUV(var12, var13, -0.5F, 385.0F / 512.0F, 0.0F);
 				var29.addVertexWithUV(var12, var14, -0.5F, 385.0F / 512.0F, 1.0F / 16.0F);
 				var29.addVertexWithUV(var12, var14, 0.5F, 385.0F / 512.0F, 1.0F / 16.0F);