#include "common_ps_fxc.h"


sampler BaseTextureSampler	: register( s0 );

struct PS_INPUT
{
	HALF2 vBaseTexCoord0 : TEXCOORD0;
	HALF2 vBaseTexCoord1 : TEXCOORD1;
	HALF2 vBaseTexCoord2 : TEXCOORD2;
	HALF2 vBaseTexCoord3 : TEXCOORD3;
	HALF2 vBaseTexCoord4 : TEXCOORD4;
};


HALF4 main( PS_INPUT i ) : COLOR
{
	/* Sample original pixel color */
	HALF4 mainColor = tex2D( BaseTextureSampler, i.vBaseTexCoord1 );

	/* Calculate the intensity of the pixel */
	float Intensity = dot(mainColor, float4(0.299, 0.587, 0.184, 0));

	/* Decide which color to use based on intensity. Color ranges are: 
	dark blue - light blue - dark green - light green - yellow - orange - red */
	if(Intensity < 0.1)
		mainColor = float4(0.0, 0.0, 0.5, mainColor.a);
	if(Intensity >= 0.1 && Intensity < 0.3)
		mainColor = float4(0.5, 0.5, 1.0, mainColor.a);
	if(Intensity >= 0.3 && Intensity < 0.5)
		mainColor = float4(0.0, 0.5, 0.0, mainColor.a);
	if(Intensity >= 0.5 && Intensity < 0.6)
		mainColor = float4(0.5, 1.0, 0.5, mainColor.a);
	if(Intensity >= 0.6 && Intensity < 0.7)
		mainColor = float4(1.0, 1.0, 0.0, mainColor.a);
	if(Intensity >= 0.7 && Intensity < 0.8)
		mainColor = float4(1.0, 0.5, 0.0, mainColor.a);
	if(Intensity > 0.8)
		mainColor = float4(1.0, 0.0, 0.0, mainColor.a);


	return mainColor;

}