Vertex shader abstractions

src/main/java/com/jozufozu/flywheel/backend/core/BasicInstancedTileRenderer.java

@@ -0,0 +1,72 @@
+package com.jozufozu.flywheel.backend.core;
+
+import java.util.ArrayList;
+
+import com.jozufozu.flywheel.backend.MaterialTypes;
+import com.jozufozu.flywheel.backend.gl.shader.ShaderCallback;
+import com.jozufozu.flywheel.backend.instancing.InstancedTileRenderer;
+import com.jozufozu.flywheel.backend.instancing.RenderMaterial;
+import com.simibubi.create.foundation.render.AllProgramSpecs;
+
+import net.minecraft.client.renderer.ActiveRenderInfo;
+import net.minecraft.client.renderer.RenderType;
+import net.minecraft.tileentity.TileEntity;
+import net.minecraft.util.math.BlockPos;
+import net.minecraft.util.math.MathHelper;
+import net.minecraft.util.math.vector.Matrix4f;
+
+public class BasicInstancedTileRenderer extends InstancedTileRenderer<BasicProgram> {
+	public static int MAX_ORIGIN_DISTANCE = 100;
+
+	public BlockPos originCoordinate = BlockPos.ZERO;
+
+	@Override
+	public void registerMaterials() {
+		materials.put(MaterialTypes.TRANSFORMED,
+				new RenderMaterial<>(this, AllProgramSpecs.MODEL, TransformedModel::new));
+		materials.put(MaterialTypes.ORIENTED, new RenderMaterial<>(this, AllProgramSpecs.ORIENTED, OrientedModel::new));
+	}
+
+	@Override
+	public BlockPos getOriginCoordinate() {
+		return originCoordinate;
+	}
+
+	@Override
+	public void beginFrame(ActiveRenderInfo info, double cameraX, double cameraY, double cameraZ) {
+		int cX = MathHelper.floor(cameraX);
+		int cY = MathHelper.floor(cameraY);
+		int cZ = MathHelper.floor(cameraZ);
+
+		int dX = Math.abs(cX - originCoordinate.getX());
+		int dY = Math.abs(cY - originCoordinate.getY());
+		int dZ = Math.abs(cZ - originCoordinate.getZ());
+
+		if (dX > MAX_ORIGIN_DISTANCE || dY > MAX_ORIGIN_DISTANCE || dZ > MAX_ORIGIN_DISTANCE) {
+
+			originCoordinate = new BlockPos(cX, cY, cZ);
+
+			ArrayList<TileEntity> instancedTiles = new ArrayList<>(instances.keySet());
+			invalidate();
+			instancedTiles.forEach(this::add);
+		}
+
+		super.beginFrame(info, cameraX, cameraY, cameraZ);
+	}
+
+	@Override
+	public void render(RenderType layer, Matrix4f viewProjection, double camX, double camY, double camZ,
+					   ShaderCallback<BasicProgram> callback) {
+		BlockPos originCoordinate = getOriginCoordinate();
+
+		camX -= originCoordinate.getX();
+		camY -= originCoordinate.getY();
+		camZ -= originCoordinate.getZ();
+
+		Matrix4f translate = Matrix4f.translate((float) -camX, (float) -camY, (float) -camZ);
+
+		translate.multiplyBackward(viewProjection);
+
+		super.render(layer, translate, camX, camY, camZ, callback);
+	}
+}

src/main/java/com/jozufozu/flywheel/backend/gl/shader/GlShader.java

@@ -28,7 +28,7 @@ public class GlShader extends GlObject {
 		}
 
 		if (GL20.glGetShaderi(handle, GL20.GL_COMPILE_STATUS) != GL20.GL_TRUE) {
-			throw new RuntimeException("Could not compile shader. See log for details.");
+			throw new RuntimeException("Could not compile " + name + ". See log for details.");
 		}
 
 		setHandle(handle);

src/main/java/com/simibubi/create/foundation/render/KineticRenderer.java

@@ -1,84 +1,22 @@
 package com.simibubi.create.foundation.render;
 
-import java.util.ArrayList;
+import com.jozufozu.flywheel.backend.core.BasicInstancedTileRenderer;
-
-import com.jozufozu.flywheel.backend.MaterialTypes;
-import com.jozufozu.flywheel.backend.core.BasicProgram;
-import com.jozufozu.flywheel.backend.core.OrientedModel;
-import com.jozufozu.flywheel.backend.core.TransformedModel;
-import com.jozufozu.flywheel.backend.gl.shader.ShaderCallback;
-import com.jozufozu.flywheel.backend.instancing.InstancedTileRenderer;
 import com.jozufozu.flywheel.backend.instancing.RenderMaterial;
 import com.simibubi.create.content.contraptions.base.KineticRenderMaterials;
 import com.simibubi.create.content.contraptions.base.RotatingModel;
 import com.simibubi.create.content.contraptions.relays.belt.BeltInstancedModel;
 import com.simibubi.create.content.logistics.block.FlapModel;
 
-import net.minecraft.client.renderer.ActiveRenderInfo;
+public class KineticRenderer extends BasicInstancedTileRenderer {
-import net.minecraft.client.renderer.RenderType;
-import net.minecraft.tileentity.TileEntity;
-import net.minecraft.util.math.BlockPos;
-import net.minecraft.util.math.MathHelper;
-import net.minecraft.util.math.vector.Matrix4f;
-
-public class KineticRenderer extends InstancedTileRenderer<BasicProgram> {
-	public static int MAX_ORIGIN_DISTANCE = 100;
-
-	public BlockPos originCoordinate = BlockPos.ZERO;
 
 	@Override
 	public void registerMaterials() {
-		materials.put(MaterialTypes.TRANSFORMED,
+		super.registerMaterials();
-			new RenderMaterial<>(this, AllProgramSpecs.MODEL, TransformedModel::new));
-		materials.put(MaterialTypes.ORIENTED, new RenderMaterial<>(this, AllProgramSpecs.ORIENTED, OrientedModel::new));
 
 		materials.put(KineticRenderMaterials.BELTS,
-			new RenderMaterial<>(this, AllProgramSpecs.BELT, BeltInstancedModel::new));
+				new RenderMaterial<>(this, AllProgramSpecs.BELT, BeltInstancedModel::new));
 		materials.put(KineticRenderMaterials.ROTATING,
-			new RenderMaterial<>(this, AllProgramSpecs.ROTATING, RotatingModel::new));
+				new RenderMaterial<>(this, AllProgramSpecs.ROTATING, RotatingModel::new));
 		materials.put(KineticRenderMaterials.FLAPS, new RenderMaterial<>(this, AllProgramSpecs.FLAPS, FlapModel::new));
 	}
-
-	@Override
-	public BlockPos getOriginCoordinate() {
-		return originCoordinate;
-	}
-
-	@Override
-	public void beginFrame(ActiveRenderInfo info, double cameraX, double cameraY, double cameraZ) {
-		int cX = MathHelper.floor(cameraX);
-		int cY = MathHelper.floor(cameraY);
-		int cZ = MathHelper.floor(cameraZ);
-
-		int dX = Math.abs(cX - originCoordinate.getX());
-		int dY = Math.abs(cY - originCoordinate.getY());
-		int dZ = Math.abs(cZ - originCoordinate.getZ());
-
-		if (dX > MAX_ORIGIN_DISTANCE || dY > MAX_ORIGIN_DISTANCE || dZ > MAX_ORIGIN_DISTANCE) {
-
-			originCoordinate = new BlockPos(cX, cY, cZ);
-
-			ArrayList<TileEntity> instancedTiles = new ArrayList<>(instances.keySet());
-			invalidate();
-			instancedTiles.forEach(this::add);
-		}
-
-		super.beginFrame(info, cameraX, cameraY, cameraZ);
-	}
-
-	@Override
-	public void render(RenderType layer, Matrix4f viewProjection, double camX, double camY, double camZ,
-		ShaderCallback<BasicProgram> callback) {
-		BlockPos originCoordinate = getOriginCoordinate();
-
-		camX -= originCoordinate.getX();
-		camY -= originCoordinate.getY();
-		camZ -= originCoordinate.getZ();
-
-		Matrix4f translate = Matrix4f.translate((float) -camX, (float) -camY, (float) -camZ);
-
-		translate.multiplyBackward(viewProjection);
-
-		super.render(layer, translate, camX, camY, camZ, callback);
-	}
 }

src/main/resources/assets/create/flywheel/shaders/belt.vert

@@ -24,14 +24,6 @@ varying vec4 Color;
 varying float Diffuse;
 varying vec2 Light;
 
-#if defined(CONTRAPTION)
-varying vec3 BoxCoord;
-
-uniform vec3 uLightBoxSize;
-uniform vec3 uLightBoxMin;
-uniform mat4 uModel;
-#endif
-
 uniform float uTime;
 uniform mat4 uViewProjection;
 uniform int uDebug;
@@ -42,6 +34,12 @@ uniform vec3 uCameraPos;
 varying float FragDistance;
 #endif
 
+#ifdef CONTRAPTION
+#flwinclude <"create:contraption/finalize.glsl">
+#else
+#flwinclude <"create:std/finalize.glsl">
+#endif
+
 void main() {
     vec3 rotated = rotateVertexByQuat(aPos - .5, aInstanceRot) + aInstancePos + .5;
 
@@ -49,17 +47,8 @@ void main() {
 
     vec3 norm = rotateVertexByQuat(aNormal, aInstanceRot);
 
-#ifdef CONTRAPTION
+    FLWFinalizeWorldPos(worldPos);
-    worldPos = uModel * worldPos;
+    FLWFinalizeNormal(norm);
-    norm = normalize(modelToNormal(uModel) * norm);
-
-    BoxCoord = (worldPos.xyz - uLightBoxMin) / uLightBoxSize;
-    #if defined(USE_FOG)
-    FragDistance = length(worldPos.xyz);
-    #endif
-#elif defined(USE_FOG)
-    FragDistance = length(worldPos.xyz - uCameraPos);
-#endif
 
     float scrollSize = aScrollTexture.w - aScrollTexture.y;
     float scroll = fract(aSpeed * uTime / (31.5 * 16.) + aOffset) * scrollSize * aScrollMult;

src/main/resources/assets/create/flywheel/shaders/contraption/finalize.glsl

@@ -0,0 +1,20 @@
+varying vec3 BoxCoord;
+
+uniform vec3 uLightBoxSize;
+uniform vec3 uLightBoxMin;
+uniform mat4 uModel;
+
+void FLWFinalizeWorldPos(inout vec4 worldPos) {
+    worldPos = uModel * worldPos;
+
+    BoxCoord = (worldPos.xyz - uLightBoxMin) / uLightBoxSize;
+    #if defined(USE_FOG)
+
+    FragDistance = length(worldPos.xyz);
+    #endif
+}
+
+void FLWFinalizeNormal(inout vec3 normal) {
+    normal = modelToNormal(uModel) * normal;
+}
+

src/main/resources/assets/create/flywheel/shaders/flap.vert

@@ -26,14 +26,6 @@ varying vec4 Color;
 varying float Diffuse;
 varying vec2 Light;
 
-#if defined(CONTRAPTION)
-varying vec3 BoxCoord;
-
-uniform vec3 uLightBoxSize;
-uniform vec3 uLightBoxMin;
-uniform mat4 uModel;
-#endif
-
 uniform float uTime;
 uniform mat4 uViewProjection;
 uniform int uDebug;
@@ -44,6 +36,12 @@ uniform vec3 uCameraPos;
 varying float FragDistance;
 #endif
 
+#ifdef CONTRAPTION
+#flwinclude <"create:contraption/finalize.glsl">
+#else
+#flwinclude <"create:std/finalize.glsl">
+#endif
+
 float toRad(float degrees) {
     return fract(degrees / 360.) * PI * 2.;
 }
@@ -73,17 +71,8 @@ void main() {
     vec4 worldPos = vec4(rotated, 1.);
     vec3 norm = rotateVertexByQuat(rotateVertexByQuat(aNormal, flapRotation), orientation);
 
-    #ifdef CONTRAPTION
+    FLWFinalizeWorldPos(worldPos);
-    worldPos = uModel * worldPos;
+    FLWFinalizeNormal(norm);
-    norm = modelToNormal(uModel) * norm;
-
-    BoxCoord = (worldPos.xyz - uLightBoxMin) / uLightBoxSize;
-    #if defined(USE_FOG)
-    FragDistance = length(worldPos.xyz);
-    #endif
-    #elif defined(USE_FOG)
-    FragDistance = length(worldPos.xyz - uCameraPos);
-    #endif
 
     Diffuse = diffuse(norm);
     TexCoords = aTexCoords;

src/main/resources/assets/create/flywheel/shaders/model.vert

@@ -17,14 +17,6 @@ varying vec4 Color;
 varying float Diffuse;
 varying vec2 Light;
 
-#if defined(CONTRAPTION)
-varying vec3 BoxCoord;
-
-uniform vec3 uLightBoxSize;
-uniform vec3 uLightBoxMin;
-uniform mat4 uModel;
-#endif
-
 uniform float uTime;
 uniform mat4 uViewProjection;
 uniform int uDebug;
@@ -35,22 +27,20 @@ uniform vec3 uCameraPos;
 varying float FragDistance;
 #endif
 
+#ifdef CONTRAPTION
+#flwinclude <"create:contraption/finalize.glsl">
+#else
+#flwinclude <"create:std/finalize.glsl">
+#endif
+
+
 void main() {
     vec4 worldPos = aTransform * vec4(aPos, 1.);
 
     vec3 norm = aNormalMat * aNormal;
 
-#ifdef CONTRAPTION
+    FLWFinalizeNormal(norm);
-    worldPos = uModel * worldPos;
+    FLWFinalizeWorldPos(worldPos);
-    norm = modelToNormal(uModel) * norm;
-
-    BoxCoord = (worldPos.xyz - uLightBoxMin) / uLightBoxSize;
-    #if defined(USE_FOG)
-    FragDistance = length(worldPos.xyz);
-    #endif
-#elif defined(USE_FOG)
-    FragDistance = length(worldPos.xyz - uCameraPos);
-#endif
 
     norm = normalize(norm);
 

src/main/resources/assets/create/flywheel/shaders/oriented.vert

@@ -19,14 +19,6 @@ varying vec4 Color;
 varying float Diffuse;
 varying vec2 Light;
 
-#if defined(CONTRAPTION)
-varying vec3 BoxCoord;
-
-uniform vec3 uLightBoxSize;
-uniform vec3 uLightBoxMin;
-uniform mat4 uModel;
-#endif
-
 uniform float uTime;
 uniform mat4 uViewProjection;
 uniform int uDebug;
@@ -37,22 +29,19 @@ uniform vec3 uCameraPos;
 varying float FragDistance;
 #endif
 
+#ifdef CONTRAPTION
+#flwinclude <"create:contraption/finalize.glsl">
+#else
+#flwinclude <"create:std/finalize.glsl">
+#endif
+
 void main() {
     vec4 worldPos = vec4(rotateVertexByQuat(aPos - aPivot, aRotation) + aPivot + aInstancePos, 1.);
 
     vec3 norm = rotateVertexByQuat(aNormal, aRotation);
 
-#ifdef CONTRAPTION
+    FLWFinalizeWorldPos(worldPos);
-    worldPos = uModel * worldPos;
+    FLWFinalizeNormal(norm);
-    norm = normalize(modelToNormal(uModel) * norm);
-
-    BoxCoord = (worldPos.xyz - uLightBoxMin) / uLightBoxSize;
-    #if defined(USE_FOG)
-    FragDistance = length(worldPos.xyz);
-    #endif
-#elif defined(USE_FOG)
-    FragDistance = length(worldPos.xyz - uCameraPos);
-#endif
 
     Diffuse = diffuse(norm);
     TexCoords = aTexCoords;

src/main/resources/assets/create/flywheel/shaders/rotating.vert

@@ -21,14 +21,6 @@ varying vec4 Color;
 varying float Diffuse;
 varying vec2 Light;
 
-#if defined(CONTRAPTION)
-varying vec3 BoxCoord;
-
-uniform vec3 uLightBoxSize;
-uniform vec3 uLightBoxMin;
-uniform mat4 uModel;
-#endif
-
 uniform float uTime;
 uniform mat4 uViewProjection;
 uniform int uDebug;
@@ -39,6 +31,12 @@ uniform vec3 uCameraPos;
 varying float FragDistance;
 #endif
 
+#ifdef CONTRAPTION
+#flwinclude <"create:contraption/finalize.glsl">
+#else
+#flwinclude <"create:std/finalize.glsl">
+#endif
+
 mat4 kineticRotation() {
     float degrees = aOffset + uTime * aSpeed * 3./10.;
     float angle = fract(degrees / 360.) * PI * 2.;
@@ -52,17 +50,8 @@ void main() {
 
     vec3 norm = modelToNormal(kineticRotation) * aNormal;
 
-    #ifdef CONTRAPTION
+    FLWFinalizeWorldPos(worldPos);
-    worldPos = uModel * worldPos;
+    FLWFinalizeNormal(norm);
-    norm = normalize(modelToNormal(uModel) * norm);
-
-    BoxCoord = (worldPos.xyz - uLightBoxMin) / uLightBoxSize;
-    #if defined(USE_FOG)
-    FragDistance = length(worldPos.xyz);
-    #endif
-    #elif defined(USE_FOG)
-    FragDistance = length(worldPos.xyz - uCameraPos);
-    #endif
 
     Diffuse = diffuse(norm);
     TexCoords = aTexCoords;

src/main/resources/assets/create/flywheel/shaders/std/finalize.glsl

@@ -0,0 +1,10 @@
+void FLWFinalizeWorldPos(inout vec4 worldPos) {
+    #if defined(USE_FOG)
+
+    FragDistance = length(worldPos.xyz - uCameraPos);
+    #endif
+}
+
+void FLWFinalizeNormal(inout vec3 normal) {
+    // noop
+}