extern Mesh UVW_Source;
extern Mesh UVW_Target;
extern Material Channel_Material;
extern bool Activate_Channel;
extern bool Do_Not_Zero_Channel;

void main()
{
	// Use Source Material?
	if(Channel_Material == NULL)
		Channel_Material = UVW_Source.GetMaterial(0);

	// Output error msg, if material is already used in one of the channels!
	for(int j = 0; j < UVW_Target.GetChannelCount(); j++)
	{
		if(UVW_Target.GetChannelMaterial(j) == Channel_Material)
		{
			ac.OutputToConsole("Error! This material is already used by the mesh. Execution abborted", true);
			return;
		}
	}
	
	// add new channel to mesh		
	UVW_Target.AddChannel(Channel_Material, false);

	int lastChannelIndex = UVW_Target.GetChannelCount()-1;
	float u, v;
	for(int i = 0; i<UVW_Source.GetModifierUVCount(lastChannelIndex); i++)
	{
			UVW_Source.GetModifierUV(i, u, v);
			UVW_Target.SetModifierUV(i, u, v, lastChannelIndex);
	}
	
	//options
	UVW_Target.ActivateChannel(lastChannelIndex, Activate_Channel);
	if(!Do_Not_Zero_Channel)
	{
		UVW_Target.SetChannelSourceBlend(lastChannelIndex, VXBLEND_ZERO);
		UVW_Target.SetChannelDestBlend(lastChannelIndex, VXBLEND_ZERO);
	}
}
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