#version 110
//Pixel Shader for TEV stages
//2 TEV stages, 1 texgens, 0 IND stages
uniform sampler2D  samp0, samp1, samp2, samp3, samp4, samp5, samp6, samp7;

uniform vec4 Kcolor[8]; // Colour Matrix, the two have been merged
uniform vec4 alphaRef[1];
uniform vec4 texdim[8];
uniform vec4 czbias[2];
uniform vec4 cindscale[2];
uniform vec4 cindmtx[6];
uniform vec4 cfog[3];
 vec4 colors_0 = gl_Color; //: COLOR0,
 vec4 colors_1 = gl_SecondaryColor; //: COLOR1
	varying vec4 rawpos;
void main(void /*
  out vec4 ocol0 : COLOR0,
  in vec4 rawpos : WPOS,
        */) {
  vec4 c0 = Kcolor[1], c1 = Kcolor[2], c2 = Kcolor[3], prev = vec4(0.0, 0.0, 0.0, 0.0), textemp = vec4(0.0, 0.0, 0.0, 0.0), rastemp = vec4(0.0, 0.0, 0.0, 0.0), konsttemp = vec4(0.0, 0.0, 0.0, 0.0);
  vec3 comp16 = vec3(1.0, 255.0, 0.0), comp24 = vec3(1.0, 255.0, 255.0*255.0);
  vec4 alphabump = vec4(0, 0, 0, 0);
  vec3 tevcoord;
  vec2 wrappedcoord, tempcoord;
  vec4 cc0, cc1, cc2, cprev,crastemp,ckonsttemp;

//TEST
vec3 uv0 = gl_TexCoord[0].xyz; // TEXCOORD0
vec4 clipPos = gl_TexCoord[1];
clipPos = vec4(rawpos.x, rawpos.y, clipPos.z, clipPos.w);
uv0.xy = uv0.xy * texdim[0].zw;
rastemp = colors_0.rgba;
crastemp = fract(rastemp * (255.0/256.0)) * (256.0/255.0);
textemp = vec4(1.0, 1.0, 1.0, 1.0);
cc0 = fract(c0 * (255.0/256.0)) * (256.0/255.0);
cc1 = fract(c1 * (255.0/256.0)) * (256.0/255.0);
prev.rgb = clamp(mix((cc0.rgb), (cc1.rgb), (crastemp.rgb)), 0.0, 1.0);
prev.a = clamp(vec4(0.0, 0.0, 0.0, 0.0).a, 0.0, 1.0);

tevcoord.xy = uv0.xy;
textemp=texture2D(samp0,tevcoord.xy * texdim[0].xy).rgba;
cprev = prev;
prev.rgb = clamp((cprev.rgb)*(textemp.rgb), 0.0, 1.0);
prev.a = clamp(textemp.a+vec4(0.0, 0.0, 0.0, 0.0).a, 0.0, 1.0);

if(!( (prev.a >= alphaRef[0].r + (0.25/255.0)) || (prev.a >= alphaRef[0].g + (0.25/255.0)))){gl_FragData[0] = vec4(0.0,0.0,0.0,0.0);discard;return;}
float zCoord = czbias[1].x + (clipPos.z / clipPos.w) * czbias[1].y;
  float ze = cfog[1].x / (cfog[1].y - (zCoord / cfog[1].w));
	// Base Enable
	{	float x_adjust = (2.0 * (clipPos.x / cfog[2].y)) - 1.0 - cfog[2].x;
	x_adjust = sqrt(x_adjust * x_adjust + cfog[2].z * cfog[2].z) / cfog[2].z;
	ze *= x_adjust;
	}
  float fog = clamp(ze - cfog[1].z, 0.0, 1.0);
  prev.rgb = mix(prev.rgb,cfog[0].rgb, fog);
	gl_FragData[0] = prev;
}