Fixed an annoying showstopper regarding rigged attachment vertex corruption. Rigged meshes have can have poor weighting, causing potential div-by-zero issues.

indra/newview/app_settings/shaders/class1/avatar/objectSkinV.glsl

@@ -22,30 +22,34 @@
  * $/LicenseInfo$
  */
 
+#define FLT_MAX     3.402823466e+38
+
 ATTRIBUTE vec4 weight4;  
 
 uniform mat3 matrixPalette[52];
 uniform vec3 translationPalette[52];
 uniform float maxWeight;
 
+
+
 mat4 getObjectSkinnedTransform()
 {
 	int i;
 	
 	vec4 w = fract(weight4);
 	vec4 index = floor(weight4);
-	
+
 		 index = min(index, vec4(maxWeight));
 		 index = max(index, vec4( 0.0));
 
-	float scale = 1.0/(w.x+w.y+w.z+w.w);
-	w *= scale;
-	
+	float sum = (w.x+w.y+w.z+w.w);
+
 	int i1 = int(index.x);
 	int i2 = int(index.y);
 	int i3 = int(index.z);
 	int i4 = int(index.w);
-		
+
+
 	mat3 mat  = matrixPalette[i1]*w.x;
 		 mat += matrixPalette[i2]*w.y;
 		 mat += matrixPalette[i3]*w.z;
@@ -58,10 +62,10 @@ mat4 getObjectSkinnedTransform()
 
 	mat4 ret;
 
-	ret[0] = vec4(mat[0], 0);
-	ret[1] = vec4(mat[1], 0);
-	ret[2] = vec4(mat[2], 0);
-	ret[3] = vec4(trans, 1.0);
+	ret[0] = vec4(mat[0].xyz, 0);
+	ret[1] = vec4(mat[1].xyz, 0);
+	ret[2] = vec4(mat[2].xyz, 0);
+	ret[3] = vec4(trans, scale);
 				
 	return ret;
 }