Remove force diffuse

- The batching engine may run in parallel, meaning the force diffuse
state will not be read correctly
- ModelTransformers only process vertices that will be rendered in the
world
- Add 0.6.1 to the issue template

.github/ISSUE_TEMPLATE/bug_report.yml

@@ -59,6 +59,7 @@ body:
             label: Mod Version
             description: The version of the mod you were using when the bug occured
             options:
+                - "0.6.1"
                 - "0.6.0"
                 - "0.5.1"
                 - "0.5.0a"

src/main/java/com/jozufozu/flywheel/backend/OptifineHandler.java

@@ -7,16 +7,12 @@ import java.io.IOException;
 import java.lang.reflect.Field;
 import java.util.function.BooleanSupplier;
 
-import org.apache.commons.lang3.mutable.MutableInt;
-
 import net.minecraft.client.Minecraft;
 
 public final class OptifineHandler {
 	public static final String OPTIFINE_ROOT_PACKAGE = "net.optifine";
 	public static final String SHADER_PACKAGE = "net.optifine.shaders";
 
-	private static final ThreadLocal<MutableInt> FORCE_DIFFUSE = ThreadLocal.withInitial(MutableInt::new);
-
 	private static boolean isOptifineInstalled;
 	private static boolean isUsingShaders;
 	private static BooleanSupplier shadowPassSupplier;
@@ -99,23 +95,4 @@ public final class OptifineHandler {
 	public static boolean isShadowPass() {
 		return shadowPassSupplier.getAsBoolean();
 	}
-
-	public static void pushForceDiffuse() {
-		if (isOptifineInstalled) {
-			FORCE_DIFFUSE.get().increment();
-		}
-	}
-
-	public static void popForceDiffuse() {
-		if (isOptifineInstalled) {
-			FORCE_DIFFUSE.get().decrement();
-		}
-	}
-
-	public static boolean shouldApplyDiffuse() {
-		if (isOptifineInstalled) {
-			return !isUsingShaders || (FORCE_DIFFUSE.get().intValue() > 0);
-		}
-		return true;
-	}
 }

src/main/java/com/jozufozu/flywheel/backend/instancing/batching/BatchedMaterialGroup.java

@@ -56,7 +56,7 @@ public class BatchedMaterialGroup implements MaterialGroup {
 
 		for (BatchedMaterial<?> material : materials.values()) {
 			for (CPUInstancer<?> instancer : material.models.values()) {
-				instancer.sbb.context.outputColorDiffuse = !consumer.hasOverlay() && OptifineHandler.shouldApplyDiffuse();
+				instancer.sbb.context.outputColorDiffuse = !consumer.hasOverlay() && !OptifineHandler.isUsingShaders();
 				instancer.submitTasks(stack, pool, consumer);
 			}
 		}

src/main/java/com/jozufozu/flywheel/core/model/ModelTransformer.java

@@ -47,12 +47,9 @@ public class ModelTransformer {
 			normalMat = params.normal.copy();
 		}
 
-		DiffuseLightCalculator diffuseCalculator = params.diffuseCalculator;
-		if (diffuseCalculator == null) {
-			diffuseCalculator = DiffuseLightCalculator.forCurrentLevel();
-		}
+		final DiffuseLightCalculator diffuseCalculator = DiffuseLightCalculator.forCurrentLevel();
 
-		int vertexCount = reader.getVertexCount();
+		final int vertexCount = reader.getVertexCount();
 		for (int i = 0; i < vertexCount; i++) {
 			float x = reader.getX(i);
 			float y = reader.getY(i);
@@ -173,9 +170,6 @@ public class ModelTransformer {
 		public boolean useParamLight;
 		public int packedLightCoords;
 
-		// Diffuse
-		public DiffuseLightCalculator diffuseCalculator;
-
 		public Params() {
 			model = new Matrix4f();
 			normal = new Matrix3f();
@@ -193,7 +187,6 @@ public class ModelTransformer {
 			overlay = OverlayTexture.NO_OVERLAY;
 			useParamLight = false;
 			packedLightCoords = LightTexture.FULL_BRIGHT;
-			diffuseCalculator = null;
 		}
 
 		public void load(Params from) {
@@ -208,7 +201,6 @@ public class ModelTransformer {
 			overlay = from.overlay;
 			useParamLight = from.useParamLight;
 			packedLightCoords = from.packedLightCoords;
-			diffuseCalculator = from.diffuseCalculator;
 		}
 
 		public Params color(int r, int g, int b, int a) {