forked from OctaForge/OctaCore
76 lines
1.8 KiB
INI
76 lines
1.8 KiB
INI
////////////////////////////////////////////////
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//
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// stain shaders
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//
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////////////////////////////////////////////////
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// staintype:
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// o -> overbright
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// t -> transparent
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// f -> fogged
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stainopt = [ >= (strstr $staintype $arg1) 0 ]
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stainvariantshader = [
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local staintype
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staintype = $arg2
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variantshader 0 $arg1 (? (stainopt "t") 0 -1) (if (! (stainopt "t")) [result [
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@(? (stainopt "f") [
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//:fog
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])
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in vec4 vvertex, vcolor;
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in vec2 vtexcoord0;
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uniform mat4 camprojmatrix;
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uniform vec4 colorscale;
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out vec4 color;
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out vec2 texcoord0;
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void main(void)
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{
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gl_Position = camprojmatrix * vvertex;
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color = vcolor * colorscale;
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texcoord0 = vtexcoord0;
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}
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]]) [
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uniform sampler2D tex0;
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in vec4 color;
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in vec2 texcoord0;
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layout(location = 0) out vec4 fragcolor;
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@(? (stainopt "t") [
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layout(location = 1) out vec4 gglow;
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])
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void main(void)
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{
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vec4 diffuse = texture(tex0, texcoord0);
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@(if (stainopt "o") [result [
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diffuse.rgb = mix(vec3(0.5), diffuse.rgb, color.rgb);
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fragcolor.rgb = diffuse.rgb;
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fragcolor.a = 0.5;
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@(? (stainopt "t") [
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gglow.rgb = diffuse.rgb;
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gglow.a = 0.5;
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])
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]] [result [
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diffuse *= color;
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fragcolor = diffuse;
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@(? (stainopt "t") [
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gglow.rgb = vec3(0.0);
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gglow.a = diffuse.a;
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])
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]])
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}
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]
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]
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stainshader = [
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staintype = $arg2
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stainvariantshader $arg1 $arg2
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if (! (stainopt "f")) [
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stainvariantshader $arg1 (concatword $arg2 "t")
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]
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]
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stainshader "stain" ""
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stainshader "overbrightstain" "o"
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stainshader "foggedstain" "f"
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