* Fixed bug where verts uninfluenced by bones would not work correctly in hardware skinning

git-svn-id: https://jmonkeyengine.googlecode.com/svn/trunk@10633 75d07b2b-3a1a-0410-a2c5-0572b91ccdca

engine/src/core-data/Common/ShaderLib/Skinning.glsllib

@@ -11,6 +11,7 @@ attribute vec4 inBoneIndex;
 uniform mat4 m_BoneMatrices[NUM_BONES];
  
 void Skinning_Compute(inout vec4 position){
+    if (inBoneWeight.x != 0.0) {
 #if NUM_WEIGHTS_PER_VERT == 1
         position = m_BoneMatrices[int(inBoneIndex.x)] * position;
 #else
@@ -21,9 +22,11 @@ void Skinning_Compute(inout vec4 position){
         mat += m_BoneMatrices[int(inBoneIndex.w)] * inBoneWeight.w;
         position = mat * position;
 #endif
+    }
 }
  
 void Skinning_Compute(inout vec4 position, inout vec3 normal){
+    if (inBoneWeight.x != 0.0) {
 #if NUM_WEIGHTS_PER_VERT == 1
         position = m_BoneMatrices[int(inBoneIndex.x)] * position;
         normal = (mat3(m_BoneMatrices[int(inBoneIndex.x)][0].xyz,
@@ -40,9 +43,11 @@ void Skinning_Compute(inout vec4 position, inout vec3 normal){
         mat3 rotMat = mat3(mat[0].xyz, mat[1].xyz, mat[2].xyz);
         normal = rotMat * normal;
 #endif
+    }
 }
  
 void Skinning_Compute(inout vec4 position, inout vec3 tangent, inout vec3 normal){
+    if (inBoneWeight.x != 0.0) {
 #if NUM_WEIGHTS_PER_VERT == 1
         position = m_BoneMatrices[int(inBoneIndex.x)] * position;
         tangent = m_BoneMatrices[int(inBoneIndex.x)] * tangent;
@@ -61,6 +66,7 @@ void Skinning_Compute(inout vec4 position, inout vec3 tangent, inout vec3 normal
         tangent = rotMat * tangent;
         normal = rotMat * normal;
 #endif
+    }
 }
 
 #endif