// Cartoon Rendering
// Copyright (C) 2003 by Marco Jez

struct appdata {
	float4 position: POSITION;
	float4 normal:   NORMAL;
};

struct vpconn {
	float4 position: POSITION;
	float4 color:    COLOR0;
	float4 texcoord: TEXCOORD0;
};

vpconn main(appdata input)
{
	float4 eye_space_normal = mul(glstate.matrix.invtrans.modelview[0], input.normal);
	
	vpconn output;
	output.position = mul(glstate.matrix.mvp, input.position);
	output.color = glstate.material.diffuse * glstate.light[0].diffuse;
	output.texcoord.x = max(0, dot(normalize(glstate.light[0].position), eye_space_normal));
	return output;
}