Working on optimization: GPU skinning and binary animations

resources/config2/npcs.json

@@ -4,8 +4,8 @@
         "id": "npc_01_default",
         "name": "NPC Default Guard",
         "texturePath": "resources/w/default_skin001.png",
-        "animationIdlePath": "resources/w/default_idle002.txt",
-        "animationWalkPath": "resources/w/default_walk001.txt",
+        "animationIdlePath": "resources/w/default_idle002.anim",
+        "animationWalkPath": "resources/w/default_walk001.anim",
         "positionX": 0.0,
         "positionY": 0.0,
         "positionZ": -10.0,
@@ -26,8 +26,8 @@
         "id": "npc_03_ghost",
         "name": "NPC Floating Ghost",
         "texturePath": "resources/w/ghost_skin001.png",
-        "animationIdlePath": "resources/w/default_float001.txt",
-        "animationWalkPath": "resources/w/default_float001.txt",
+        "animationIdlePath": "resources/w/default_float001.anim",
+        "animationWalkPath": "resources/w/default_float001.anim",
         "positionX": 0.0,
         "positionY": 0.0,
         "positionZ": -5.0,

resources/shaders/skinning.vertex

@@ -0,0 +1,50 @@
+attribute vec3 vPosition;
+attribute vec2 vTexCoord;
+attribute vec4 aBoneIndices0;
+attribute vec2 aBoneIndices1;
+attribute vec4 aBoneWeights0;
+attribute vec2 aBoneWeights1;
+
+varying vec2 texCoord;
+
+uniform mat4 ProjectionModelViewMatrix;
+uniform mat4 uBoneMatrices[64];
+
+void main()
+{
+	vec4 skinnedPos = vec4(0.0, 0.0, 0.0, 0.0);
+	vec4 originalPos = vec4(vPosition, 1.0);
+	float totalWeight = 0.0;
+
+	if (aBoneWeights0.x > 0.0) {
+		skinnedPos += uBoneMatrices[int(aBoneIndices0.x)] * originalPos * aBoneWeights0.x;
+		totalWeight += aBoneWeights0.x;
+	}
+	if (aBoneWeights0.y > 0.0) {
+		skinnedPos += uBoneMatrices[int(aBoneIndices0.y)] * originalPos * aBoneWeights0.y;
+		totalWeight += aBoneWeights0.y;
+	}
+	if (aBoneWeights0.z > 0.0) {
+		skinnedPos += uBoneMatrices[int(aBoneIndices0.z)] * originalPos * aBoneWeights0.z;
+		totalWeight += aBoneWeights0.z;
+	}
+	if (aBoneWeights0.w > 0.0) {
+		skinnedPos += uBoneMatrices[int(aBoneIndices0.w)] * originalPos * aBoneWeights0.w;
+		totalWeight += aBoneWeights0.w;
+	}
+	if (aBoneWeights1.x > 0.0) {
+		skinnedPos += uBoneMatrices[int(aBoneIndices1.x)] * originalPos * aBoneWeights1.x;
+		totalWeight += aBoneWeights1.x;
+	}
+	if (aBoneWeights1.y > 0.0) {
+		skinnedPos += uBoneMatrices[int(aBoneIndices1.y)] * originalPos * aBoneWeights1.y;
+		totalWeight += aBoneWeights1.y;
+	}
+
+	if (totalWeight < 0.001) {
+		skinnedPos = originalPos;
+	}
+
+	gl_Position = ProjectionModelViewMatrix * skinnedPos;
+	texCoord = vTexCoord;
+}