#version 430

uniform mat4 PVM;
uniform mat4 Bones[100];


layout(location = 0) in vec3 Position;
layout(location = 5) in vec4 BoneIndices;
layout(location = 6) in vec4 BoneWeights;



out VertexData{
	vec3 Position;
}Output;

void main()
{
	mat4 boneTransform = mat4(1);

	if(BoneWeights[0] > 0.0f){ 
	boneTransform = BoneWeights[0] * Bones[int(BoneIndices[0])]
				  + BoneWeights[1] * Bones[int(BoneIndices[1])]
				  + BoneWeights[2] * Bones[int(BoneIndices[2])]
				  + BoneWeights[3] * Bones[int(BoneIndices[3])];
	}

	gl_Position = PVM*boneTransform * vec4(Position, 1.0);

	Output.Position = vec3(0.0);
}