text.fsh

#version 330
#define FSH

#moj_import <utils.glsl>
#moj_import <light.glsl>
#moj_import <fog.glsl>

uniform sampler2D Sampler0;

uniform mat4 ProjMat;
uniform vec4 ColorModulator;
uniform float FogStart;
uniform float FogEnd;
uniform vec4 FogColor;

in float fogDistance;
in vec4 vertexColor;
in vec4 lightColor;
in vec2 texCoord0;
in vec4 glpos;

out vec4 fragColor;

#define MAP(v, t) case ((int(v.r)<<16) + (int(v.g)<<8) + int(v.b)): color.rgb = t/255.; break;\
case ((int(v.r*220./255.)<<16) + (int(v.g*220./255.)<<8) + int(v.b*220./255.)): color.rgb = t/255.*220./255.; break;\
case ((int(v.r*180./255.)<<16) + (int(v.g*180./255.)<<8) + int(v.b*180./255.)): color.rgb = t/255.*180./255.; break;\
case ((int(v.r*135./255.)<<16) + (int(v.g*135./255.)<<8) + int(v.b*135./255.)): color.rgb = t/255.*135./255.; break;

void main() {
    bool gui = is_gui(ProjMat);
    if (!gui) discard_control_glpos(gl_FragCoord.xy, glpos);

    vec4 color = texture(Sampler0, texCoord0);
    ivec3 i = ivec3(color.rgb*255.5);
    switch ((i.r << 16) + (i.g << 8) + i.b) {
        MAP(vec3(127.,178.,56.) ,   vec3(94.,123.,57.))
        MAP(vec3(247.,233.,163.),   vec3(248.,235.,186.))
        MAP(vec3(160.,160.,255.),   vec3(132.,171.,244.))
        MAP(vec3(167.,167.,167.),   vec3(200.,200.,200.))
        MAP(vec3(0.,124.,0.)    ,   vec3(58.,86.,39.))
        MAP(vec3(164.,168.,184.),   vec3(182.,189.,204.))
        MAP(vec3(151.,109.,77.) ,   vec3(157.,113.,80.))
        MAP(vec3(112.,112.,112.),   vec3(143.,143.,143.))
        MAP(vec3(64.,64.,255.)  ,   vec3(41.,71.,130.))
        MAP(vec3(143.,119.,72.) ,   vec3(187.,152.,93.))
        MAP(vec3(250.,238.,77.) ,   vec3(255.,239.,79.))
        MAP(vec3(74.,128.,255.) ,   vec3(37.,79.,160.))
        MAP(vec3(0.,217.,58.)   ,   vec3(66.,233.,113.))
        MAP(vec3(129.,86.,49.)  ,   vec3(108.,75.,29.))
        MAP(vec3(127.,63.,178.) ,   vec3(133.,107.,153))
        MAP(vec3(112.,2.,0.)    ,   vec3(113.,47.,47.))
        MAP(vec3(255.,0.,0.)    ,   vec3(215.,53.,2.))
    }
    if (!gui) color = emissive(color, lightColor, 0);
    color = color * vertexColor * ColorModulator;
    if (color.a < 0.1) discard;
    fragColor = linear_fog(color, fogDistance, FogStart, FogEnd, FogColor);
}