22w16g improved occlusion query stability (reduced "chunk flickering")

src/main/java/net/lax1dude/eaglercraft/ConfigConstants.java

@@ -4,7 +4,7 @@ public class ConfigConstants {
 	
 	public static boolean profanity = false;
 
-	public static final String version = "22w16f";
+	public static final String version = "22w16g";
 	public static final String mainMenuString = "eaglercraft " + version;
 	
 	public static final String forkMe = "https://github.com/LAX1DUDE/eaglercraft";

src/main/java/net/lax1dude/eaglercraft/glemu/EaglerAdapterGL30.java

@@ -1098,19 +1098,12 @@ public class EaglerAdapterGL30 extends EaglerAdapterImpl2 {
 	
 	public static final void glDrawOcclusionBB(float posX, float posY, float posZ, float sizeX, float sizeY, float sizeZ) {
 		glPushMatrix();
-		glTranslatef(posX - sizeX * 0.0001f, posY - sizeY * 0.0001f, posZ - sizeZ * 0.0001f);
-		glScalef(sizeX * 1.0002f, sizeY * 1.0002f, sizeZ * 1.0002f);
+		glTranslatef(posX - sizeX * 0.01f, posY - sizeY * 0.01f, posZ - sizeZ * 0.01f);
+		glScalef(sizeX * 1.02f, sizeY * 1.02f, sizeZ * 1.02f);
 		matModelV[matModelPointer].store(occlusionModel);
 		_wglUniformMat4fv(occlusion_matrix_m, occlusionModel);
 		_wglDrawArrays(_wGL_TRIANGLES, 0, 36);
 		glPopMatrix();
-		//glPushMatrix();
-		//glTranslatef(posX + sizeX * 0.0001f, posY + sizeY * 0.0001f, posZ + sizeZ * 0.0001f);
-		//glScalef(sizeX * 0.9998f, sizeY * 0.9998f, sizeZ * 0.9998f);
-		//matModelV[matModelPointer].store(occlusionModel);
-		//_wglUniformMat4fv(occlusion_matrix_m, occlusionModel);
-		//_wglDrawArrays(_wGL_TRIANGLES, 0, 36);
-		//glPopMatrix();
 		
 	}
 	

src/main/java/net/minecraft/src/GuiMainMenu.java

@@ -211,6 +211,7 @@ public class GuiMainMenu extends GuiScreen {
 				int x = (this.width - 345) / 2;
 				int y = (this.height - 230) / 2;
 				if(par1 >= (x + 323) && par1 <= (x + 323 + 13) && par2 >= (y + 7) && par2 <= (y + 7 + 13)) {
+					this.mc.sndManager.playSoundFX("random.click", 1.0F, 1.0F);
 					hideAck();
 				}
 				int trackHeight = 193;

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

@@ -156,7 +156,7 @@ public class RenderGlobal implements IWorldAccess {
 			this.glOcclusionQuery[i] = -1;
 		}
 		this.occlusionQueryAvailable = new boolean[glOcclusionQuery.length];
-		this.occlusionQueryStalled = new boolean[occlusionQueryAvailable.length];
+		this.occlusionQueryStalled = new long[occlusionQueryAvailable.length];
 		this.starGLCallList = GLAllocation.generateDisplayLists(3);
 		EaglerAdapter.glPushMatrix();
 		EaglerAdapter.glNewList(this.starGLCallList, EaglerAdapter.GL_COMPILE);
@@ -504,7 +504,7 @@ public class RenderGlobal implements IWorldAccess {
 
 	private long lastOcclusionQuery = 0l;
 	private boolean[] occlusionQueryAvailable;
-	private boolean[] occlusionQueryStalled;
+	private long[] occlusionQueryStalled;
 
 	/**
 	 * Sorts all renderers based on the passed in entity. Args: entityLiving,
@@ -561,7 +561,11 @@ public class RenderGlobal implements IWorldAccess {
 		RenderHelper.disableStandardItemLighting();
 		byte var17 = 0;
 		int var34;
+		
+		long queryRate = 50l;
+		long stallRate = 150l;
 
+		long ct = System.currentTimeMillis();
 		if(par2 == 0) {
 			this.theWorld.theProfiler.endStartSection("getoccl");
 			for (int i = 0; i < this.sortedWorldRenderers.length; ++i) {
@@ -571,14 +575,14 @@ public class RenderGlobal implements IWorldAccess {
 				int ccz = c.chunkZ - fz;
 				if((ccx < 2 && ccx > -2 && ccy < 2 && ccy > -2 && ccz < 2 && ccz > -2) || glOcclusionQuery[c.chunkIndex] == -1) {
 					c.isVisible = true;
-				}else if(!c.skipAllRenderPasses() && c.isInFrustum && occlusionQueryAvailable[c.chunkIndex]) {
-					if(EaglerAdapter.glGetQueryResultAvailable(glOcclusionQuery[c.chunkIndex])) {
+				}else if(!c.skipAllRenderPasses() && c.isInFrustum) {
+					if(occlusionQueryAvailable[c.chunkIndex] && EaglerAdapter.glGetQueryResultAvailable(glOcclusionQuery[c.chunkIndex])) {
 						c.isVisible = EaglerAdapter.glGetQueryResult(glOcclusionQuery[c.chunkIndex]);
 						occlusionQueryAvailable[c.chunkIndex] = false;
-					}else if(occlusionQueryStalled[c.chunkIndex]) {
+						occlusionQueryStalled[c.chunkIndex] = 0l;
+					}else if(occlusionQueryStalled[c.chunkIndex] != 0l && ct - occlusionQueryStalled[c.chunkIndex] > stallRate) {
 						c.isVisible = true;
 					}
-					occlusionQueryStalled[c.chunkIndex] = false;
 				}
 			}
 		}
@@ -588,8 +592,8 @@ public class RenderGlobal implements IWorldAccess {
 		
 		var7 -= par1EntityLiving.getEyeHeight();
 		
-		long ct = System.currentTimeMillis();
-		if(par2 == 0 && ct - lastOcclusionQuery > 50l) {
+		ct = System.currentTimeMillis();
+		if(par2 == 0 && ct - lastOcclusionQuery > queryRate) {
 			lastOcclusionQuery = ct;
 			this.theWorld.theProfiler.endStartSection("occl");
 			EaglerAdapter.glEnable(EaglerAdapter.GL_CULL_FACE);
@@ -603,18 +607,25 @@ public class RenderGlobal implements IWorldAccess {
 				int ccy = c.chunkY - fy;
 				int ccz = c.chunkZ - fz;
 				if(!c.skipAllRenderPasses() && c.isInFrustum && !(ccx < 2 && ccx > -2 && ccy < 2 && ccy > -2 && ccz < 2 && ccz > -2)) {
+					boolean stalled = false;
 					if(occlusionQueryAvailable[c.chunkIndex]) {
-						occlusionQueryStalled[c.chunkIndex] = true;
-					}else {
+						if(occlusionQueryStalled[c.chunkIndex] == 0l) {
+							occlusionQueryStalled[c.chunkIndex] = ct;
+							stalled = true;
+						}else if(ct - occlusionQueryStalled[c.chunkIndex] < stallRate) {
+							stalled = true;
+						}
+					}
+					if(!stalled) {
 						occlusionQueryAvailable[c.chunkIndex] = true;
+						int q = glOcclusionQuery[c.chunkIndex];
+						if(q == -1) {
+							q = glOcclusionQuery[c.chunkIndex] = EaglerAdapter.glCreateQuery();
+						}
+						EaglerAdapter.glBeginQuery(q);
+						EaglerAdapter.glDrawOcclusionBB((float)(c.posX - var33), (float)(c.posY - var7), (float)(c.posZ - var9), 16, 16, 16);
+						EaglerAdapter.glEndQuery();
 					}
-					int q = glOcclusionQuery[c.chunkIndex];
-					if(q == -1) {
-						q = glOcclusionQuery[c.chunkIndex] = EaglerAdapter.glCreateQuery();
-					}
-					EaglerAdapter.glBeginQuery(q);
-					EaglerAdapter.glDrawOcclusionBB((float)(c.posX - var33), (float)(c.posY - var7), (float)(c.posZ - var9), 16, 16, 16);
-					EaglerAdapter.glEndQuery();
 				}
 			}
 			EaglerAdapter.glEndOcclusionBB();