Fold: add plane to octahedron code

1 files changed, 70 insertions, 0 deletions

diff --git a/vertex.cginc b/vertex.cginc
index 7c448ab..c4da8ca 100755
--- a/vertex.cginc
+++ b/vertex.cginc
@@ -17,6 +17,9 @@
 #define OPCODE_HEMI_OCTAHEDRON_TO_PLANE 10
 #define OPCODE_SCALE 11
 #define OPCODE_TRANSLATE 12
+#define OPCODE_PLANE_TO_OCTAHEDRON 13
+#define OPCODE_OCTAHEDRON_TO_PLANE 14
+#define OPCODE_ROTATE 15
 
 #if defined(_VERTEX_DEFORMATION)
 
@@ -210,6 +213,55 @@ void apply_translate_normal(inout float3 objPos, inout float3 objNorm,
   translate_normal(objPos, objNorm, objTan, offset, t);
 }
 
+void apply_plane_to_octahedron(inout float3 objPos, float4 v0, float4 v1, float4 v2, float f0) {
+  float3 p = v0.xyz;
+  float3 r = v1.xyz;
+  float3 s = v2.xyz;
+  float t = f0;
+  objPos = plane_to_octahedron(objPos, p, r, s, t);
+}
+
+void apply_plane_to_octahedron_normal(inout float3 objPos, inout float3 objNorm, inout float3 objTan, float4 v0, float4 v1, float4 v2, float f0) {
+  float3 p = v0.xyz;
+  float3 r = v1.xyz;
+  float3 s = v2.xyz;
+  float t = f0;
+  plane_to_octahedron_normal(objPos, objNorm, objTan, p, r, s, t);
+}
+
+void apply_octahedron_to_plane(inout float3 objPos, float4 v0, float4 v1, float4 v2, float f0) {
+  float3 p = v0.xyz;
+  float3 r = v1.xyz;
+  float3 s = v2.xyz;
+  float t = f0;
+  objPos = octahedron_to_plane(objPos, p, r, s, t);
+}
+
+void apply_octahedron_to_plane_normal(inout float3 objPos, inout float3 objNorm, inout float3 objTan, float4 v0, float4 v1, float4 v2, float f0) {
+  float3 p = v0.xyz;
+  float3 r = v1.xyz;
+  float3 s = v2.xyz;
+  float t = f0;
+  octahedron_to_plane_normal(objPos, objNorm, objTan, p, r, s, t);
+}
+
+void apply_rotate(inout float3 objPos, float4 v0, float4 v1, float f0, float f1) {
+  float3 p = v0.xyz;
+  float3 axis = v1.xyz;
+  float angle = f0;
+  float t = f1;
+  objPos = rotate(objPos, p, axis, angle, t);
+}
+
+void apply_rotate_normal(inout float3 objPos, inout float3 objNorm,
+    inout float3 objTan, float4 v0, float4 v1, float f0, float f1) {
+  float3 p = v0.xyz;
+  float3 axis = v1.xyz;
+  float angle = f0;
+  float t = f1;
+  rotate_normal(objPos, objNorm, objTan, p, axis, angle, t);
+}
+
 void deform(inout float3 objPos) {
   const float t = getTime();
 
@@ -454,6 +506,15 @@ void deform(inout float3 objPos) {
         case OPCODE_TRANSLATE:
           apply_translate(objPos, v0, f0);
           break;
+        case OPCODE_PLANE_TO_OCTAHEDRON:
+          apply_plane_to_octahedron(objPos, v0, v1, v2, f0);
+          break;
+        case OPCODE_OCTAHEDRON_TO_PLANE:
+          apply_octahedron_to_plane(objPos, v0, v1, v2, f0);
+          break;
+        case OPCODE_ROTATE:
+          apply_rotate(objPos, v0, v1, f0, f1);
+          break;
       }
     }
   }
@@ -705,6 +766,15 @@ void deform_normal(inout float3 objPos, inout float3 objNorm, inout float3 objTa
         case OPCODE_TRANSLATE:
           apply_translate_normal(objPos, objNorm, objTan, v0, f0);
           break;
+        case OPCODE_PLANE_TO_OCTAHEDRON:
+          apply_plane_to_octahedron_normal(objPos, objNorm, objTan, v0, v1, v2, f0);
+          break;
+        case OPCODE_OCTAHEDRON_TO_PLANE:
+          apply_octahedron_to_plane_normal(objPos, objNorm, objTan, v0, v1, v2, f0);
+          break;
+        case OPCODE_ROTATE:
+          apply_rotate_normal(objPos, objNorm, objTan, v0, v1, f0, f1);
+          break;
       }
     }
   }