mirror of
https://git.stillkill.net/MinecraftLeak/MinecraftLegends.git
synced 2026-10-22 13:22:20 +01:00
167 lines
4.2 KiB
HLSL
167 lines
4.2 KiB
HLSL
#include "ShaderConstants.fxh"
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#include "util.fxh"
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struct PS_Input {
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float4 position : SV_Position;
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float4 light : LIGHT;
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float4 fogColor : FOG_COLOR;
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#ifdef GLINT
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// there is some alignment issue on the Windows Phone 1320 that causes the position
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// to get corrupted if this is two floats and last in the struct memory wise
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float4 layerUV : GLINT_UVS;
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#endif
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#ifdef USE_OVERLAY
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float4 overlayColor : OVERLAY_COLOR;
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#endif
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float4 teamColor : TEAM_COLOR;
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#ifdef TINTED_ALPHA_TEST
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float4 alphaTestMultiplier : ALPHA_MULTIPLIER;
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#endif
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float2 uv : TEXCOORD_0_FB_MSAA;
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};
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struct PS_Output
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{
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float4 color : SV_Target;
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};
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#ifdef USE_EMISSIVE
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#ifdef USE_ONLY_EMISSIVE
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#define NEEDS_DISCARD(C) (C.a == 0.0f ||C.a == 1.0f )
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#else
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#define NEEDS_DISCARD(C) (C.a + C.r + C.g + C.b == 0.0)
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#endif
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#else
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#ifndef USE_COLOR_MASK
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#define NEEDS_DISCARD(C) (C.a < 0.5)
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#else
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#define NEEDS_DISCARD(C) (C.a == 0.0)
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#endif
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#endif
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float4 glintBlend(float4 dest, float4 source) {
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// glBlendFuncSeparate(GL_SRC_COLOR, GL_ONE, GL_ONE, GL_ZERO)
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return float4(source.rgb * source.rgb, source.a) + float4(dest.rgb, 0.0);
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}
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float3 blendTeamColor(float3 base, float3 blend, float alpha, float4 mask)
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{
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float3 clr = base;
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// mask textures should have an alpha of 1, the _nomask texture has an alpha of 0
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if (mask.a < 0.5f)
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{
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clr += blend * alpha;
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}
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else
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{
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clr = lerp(clr, base * blend, mask.r); // mask.r = multiply
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clr = clr + (blend * mask.g); // mark.g = additive
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clr = lerp(clr, blend, mask.b); // mask.b = linear blend
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}
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return clr;
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}
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void main( in PS_Input PSInput, out PS_Output PSOutput )
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{
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float4 color = float4( 1.0f, 1.0f, 1.0f, 1.0f );
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float4 teamMask = float4(0.f, 0.f, 0.f, 0.f);
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#if( !defined(NO_TEXTURE) || !defined(COLOR_BASED) || defined(USE_COLOR_BLEND) )
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#if !defined(TEXEL_AA) || !defined(TEXEL_AA_FEATURE) || (VERSION < 0xa000 /*D3D_FEATURE_LEVEL_10_0*/)
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color = TEXTURE_0.Sample( TextureSampler0, PSInput.uv );
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#else
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color = texture2D_AA(TEXTURE_0, TextureSampler0, PSInput.uv);
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#endif
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teamMask = TEXTURE_3.Sample(TextureSampler0, PSInput.uv);
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#if defined(ALPHA_TEST) && !defined(USE_MULTITEXTURE)
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if( NEEDS_DISCARD( color ) )
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{
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discard;
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}
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#endif
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#ifdef TINTED_ALPHA_TEST
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float4 testColor = color;
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testColor.a = testColor.a * PSInput.alphaTestMultiplier.r;
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if( NEEDS_DISCARD( testColor ) )
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{
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discard;
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}
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#endif
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#endif
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#ifdef USE_COLOR_MASK
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color.rgb = lerp( color, color * CHANGE_COLOR, color.a ).rgb;
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color.a *= CHANGE_COLOR.a;
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#endif
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#ifdef ITEM_IN_HAND
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color.rgb = lerp(color, color * CHANGE_COLOR, PSInput.light.a).rgb;
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#endif
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#ifdef USE_MULTITEXTURE
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float4 tex1 = TEXTURE_1.Sample(TextureSampler1, PSInput.uv);
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float4 tex2 = TEXTURE_2.Sample(TextureSampler2, PSInput.uv);
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color.rgb = lerp(color.rgb, tex1, tex1.a);
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#ifdef ALPHA_TEST
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if (color.a < 0.5f && tex1.a == 0.0f) {
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discard;
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}
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#endif
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#ifdef COLOR_SECOND_TEXTURE
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if (tex2.a > 0.0f) {
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color.rgb = lerp(tex2.rgb, tex2 * CHANGE_COLOR, tex2.a);
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}
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#else
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color.rgb = lerp(color.rgb, tex2, tex2.a);
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#endif
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#endif
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#ifdef USE_OVERLAY
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//use either the diffuse or the OVERLAY_COLOR
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color.rgb = lerp( color, PSInput.overlayColor, PSInput.overlayColor.a ).rgb;
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#endif
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color.rgb = blendTeamColor(color.rgb, PSInput.teamColor.rgb, PSInput.teamColor.a, teamMask);
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#ifdef USE_EMISSIVE
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//make glowy stuff
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color *= lerp( float( 1.0 ).xxxx, PSInput.light, color.a );
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#else
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color *= PSInput.light;
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#endif
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//apply fog
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color.rgb = lerp( color.rgb, PSInput.fogColor.rgb, PSInput.fogColor.a );
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#ifdef GLINT
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// Applies color mask to glint texture instead and blends with original color
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float4 layer1 = TEXTURE_1.Sample(TextureSampler1, frac(PSInput.layerUV.xy)).rgbr * GLINT_COLOR;
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float4 layer2 = TEXTURE_1.Sample(TextureSampler1, frac(PSInput.layerUV.zw)).rgbr * GLINT_COLOR;
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float4 glint = (layer1 + layer2) * TILE_LIGHT_COLOR;
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color = glintBlend(color, glint);
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#endif
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//WARNING do not refactor this
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PSOutput.color = color;
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#ifdef VR_MODE
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// On Rift, the transition from 0 brightness to the lowest 8 bit value is abrupt, so clamp to
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// the lowest 8 bit value.
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PSOutput.color = max(PSOutput.color, 1 / 255.0f);
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#endif
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} |