RPLE shader compat

3 files changed, 64 insertions, 13 deletions

diff --git a/src/main/java/makamys/neodymium/renderer/ChunkMesh.java b/src/main/java/makamys/neodymium/renderer/ChunkMesh.java
index 72c20ff..decc90d 100644
--- a/src/main/java/makamys/neodymium/renderer/ChunkMesh.java
+++ b/src/main/java/makamys/neodymium/renderer/ChunkMesh.java
@@ -110,8 +110,12 @@ public class ChunkMesh extends Mesh {
         
         int verticesPerPrimitive = t.drawMode == GL11.GL_QUADS ? 4 : 3;
 
-        int tessellatorVertexSize = Compat.isShaders() ? 18 : Compat.RPLE() ? 12 : 8;
-        
+        int tessellatorVertexSize = 8;
+        if (Compat.isShaders())
+            tessellatorVertexSize += 10;
+        if (Compat.RPLE())
+            tessellatorVertexSize += 4;
+
         for(int quadI = 0; quadI < t.vertexCount / verticesPerPrimitive; quadI++) {
             MeshQuad quad = quadBuf.next();
             quad.setState(t.rawBuffer, tessellatorVertexSize, quadI * (verticesPerPrimitive * tessellatorVertexSize), FLAGS, t.drawMode, NeoRegion.toRelativeOffset(-t.xOffset), NeoRegion.toRelativeOffset(-t.yOffset), NeoRegion.toRelativeOffset(-t.zOffset));
diff --git a/src/main/java/makamys/neodymium/renderer/MeshQuad.java b/src/main/java/makamys/neodymium/renderer/MeshQuad.java
index f748488..4e72535 100644
--- a/src/main/java/makamys/neodymium/renderer/MeshQuad.java
+++ b/src/main/java/makamys/neodymium/renderer/MeshQuad.java
@@ -43,6 +43,9 @@ public class MeshQuad {
     public float[] um = new float[4];
     public float[] vm = new float[4];
 
+    public float[] ue = new float[4];
+    public float[] ve = new float[4];
+
     public boolean deleted;
 
     public QuadNormal normal;
@@ -80,6 +83,12 @@ public class MeshQuad {
                 wt[vi] = Float.intBitsToFloat(rawBuffer[i + 15]);
                 um[vi] = Float.intBitsToFloat(rawBuffer[i + 16]);
                 vm[vi] = Float.intBitsToFloat(rawBuffer[i + 17]);
+                if (Compat.RPLE()) {
+                    bsG[vi] = rawBuffer[i + 18];
+                    bsB[vi] = rawBuffer[i + 19];
+                    ue[vi] = Float.intBitsToFloat(rawBuffer[i + 20]);
+                    ve[vi] = Float.intBitsToFloat(rawBuffer[i + 21]);
+                }
             } else {
                 bs[vi] = flags.hasBrightness ? rawBuffer[i + 7] : DEFAULT_BRIGHTNESS;
 
@@ -108,6 +117,10 @@ public class MeshQuad {
             if (Compat.RPLE()) {
                 bsG[3] = bsG[2];
                 bsB[3] = bsB[2];
+                if (Compat.isShaders()) {
+                    ue[3] = ue[2];
+                    ve[3] = ve[2];
+                }
             }
             cs[3] = cs[2];
             if (Compat.isShaders()) {
@@ -173,10 +186,6 @@ public class MeshQuad {
             out.writeInt(c);
 
             out.writeInt(bs[vi]);
-            if (Compat.RPLE()) {
-                out.writeInt(bsG[vi]);
-                out.writeInt(bsB[vi]);
-            }
 
             if (Compat.isShaders()) {
                 out.writeInt(e1[vi]);
@@ -191,6 +200,15 @@ public class MeshQuad {
                 out.writeFloat(um[vi]);
                 out.writeFloat(vm[vi]);
             }
+
+            if (Compat.RPLE()) {
+                out.writeInt(bsG[vi]);
+                out.writeInt(bsB[vi]);
+                if (Compat.isShaders()) {
+                    out.writeFloat(ue[vi]);
+                    out.writeFloat(ve[vi]);
+                }
+            }
             
             assert out.position() % expectedStride == 0;
             
diff --git a/src/main/java/makamys/neodymium/renderer/NeoRenderer.java b/src/main/java/makamys/neodymium/renderer/NeoRenderer.java
index 7d5928d..ed8be73 100644
--- a/src/main/java/makamys/neodymium/renderer/NeoRenderer.java
+++ b/src/main/java/makamys/neodymium/renderer/NeoRenderer.java
@@ -1,5 +1,8 @@
 package makamys.neodymium.renderer;
 
+import com.falsepattern.falsetweaks.api.triangulator.VertexAPI;
+import com.falsepattern.rple.api.client.RPLELightMapUtil;
+import com.falsepattern.rple.api.client.RPLEShaderConstants;
 import lombok.val;
 import makamys.neodymium.Compat;
 import makamys.neodymium.Neodymium;
@@ -430,7 +433,7 @@ public class NeoRenderer {
     }
 
     /**
-     * @implSpec The attributes here need to be kept in sync with {@link MeshQuad#writeToBuffer(BufferWriter)}
+     * @implSpec The attributes here need to be kept in sync with {@link MeshQuad#writeToBuffer(BufferWriter, int)}
      */
     public boolean init() {
         // The average mesh is 60 KB. Let's be safe and assume 8 KB per mesh.
@@ -447,17 +450,27 @@ public class NeoRenderer {
             attributes.addAttribute("TEXTURE", 2, 4, GL_FLOAT);
         }
         attributes.addAttribute("COLOR", 4, 1, GL_UNSIGNED_BYTE);
-        attributes.addAttribute("BRIGHTNESS", 2, 2, GL_SHORT);
+        if (Compat.RPLE()) {
+            attributes.addAttribute("BRIGHTNESS_RED", 2, 2, GL_SHORT);
+        } else {
+            attributes.addAttribute("BRIGHTNESS", 2, 2, GL_SHORT);
+        }
         if (Compat.isShaders()) {
             attributes.addAttribute("ENTITY_DATA_1", 1, 4, GL_UNSIGNED_INT);
             attributes.addAttribute("ENTITY_DATA_2", 1, 4, GL_UNSIGNED_INT);
             attributes.addAttribute("NORMAL", 3, 4, GL_FLOAT);
             attributes.addAttribute("TANGENT", 4, 4, GL_FLOAT);
             attributes.addAttribute("MIDTEXTURE", 2, 4, GL_FLOAT);
-        } else if (Compat.RPLE()) {
-            attributes.addAttribute("BRIGHTNESS_RED", 2, 2, GL_SHORT);
-            attributes.addAttribute("BRIGHTNESS_GREEN", 2, 2, GL_SHORT);
-            attributes.addAttribute("BRIGHTNESS_BLUE", 2, 2, GL_SHORT);
+            if (Compat.RPLE()) {
+                attributes.addAttribute("BRIGHTNESS_GREEN", 2, 2, GL_SHORT);
+                attributes.addAttribute("BRIGHTNESS_BLUE", 2, 2, GL_SHORT);
+                attributes.addAttribute("EDGE_TEX", 2, 4, GL_FLOAT);
+            }
+        } else {
+            if (Compat.RPLE()) {
+                attributes.addAttribute("BRIGHTNESS_GREEN", 2, 2, GL_SHORT);
+                attributes.addAttribute("BRIGHTNESS_BLUE", 2, 2, GL_SHORT);
+            }
         }
 
         reloadShader();
@@ -479,7 +492,12 @@ public class NeoRenderer {
         // tangent    4 floats 16 bytes offset 48
         // midtexture 2 floats  8 bytes offset 64
         if (Compat.isShaders()) {
-            val stride = 72;
+            int stride;
+            if (Compat.FalseTweaks()) {
+                stride = VertexAPI.recomputeVertexInfo(18, 4);
+            } else {
+                stride = 72;
+            }
             val entityAttrib = 10;
             val midTexCoordAttrib = 11;
             val tangentAttrib = 12;
@@ -522,6 +540,17 @@ public class NeoRenderer {
 
             ARBVertexShader.glVertexAttribPointerARB(midTexCoordAttrib, 2, GL11.GL_FLOAT, false, stride, 64);
             ARBVertexShader.glEnableVertexAttribArrayARB(midTexCoordAttrib);
+
+            if (Compat.RPLE()) {
+                RPLELightMapUtil.enableVertexPointersVBO();
+                ARBVertexShader.glVertexAttribPointerARB(RPLEShaderConstants.edgeTexCoordAttrib,
+                                                         2,
+                                                         GL_FLOAT,
+                                                         false,
+                                                         stride,
+                                                         80);
+                ARBVertexShader.glEnableVertexAttribArrayARB(RPLEShaderConstants.edgeTexCoordAttrib);
+            }
         } else {
             attributes.enable();
         }