222 lines
8.9 KiB
HLSL
222 lines
8.9 KiB
HLSL
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#ifndef POI_FLIPBOOK
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#define POI_FLIPBOOK
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#if defined(PROP_FLIPBOOKTEXARRAY) || !defined(OPTIMIZER_ENABLED)
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UNITY_DECLARE_TEX2DARRAY(_FlipbookTexArray); float4 _FlipbookTexArray_ST;
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#endif
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#if defined(PROP_FLIPBOOKMASK) || !defined(OPTIMIZER_ENABLED)
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POI_TEXTURE_NOSAMPLER(_FlipbookMask);
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#endif
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float4 _FlipbookColor;
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float _FlipbookFPS;
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float _FlipbookTotalFrames;
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float4 _FlipbookScaleOffset;
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float _FlipbookTiled;
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float _FlipbookCurrentFrame;
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float _FlipbookEmissionStrength;
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float _FlipbookRotation;
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float _EnableFlipbook;
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float _FlipbookTexArrayUV;
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float _FlipbookAlphaControlsFinalAlpha;
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float _FlipbookRotationSpeed;
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float _FlipbookIntensityControlsAlpha;
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float _FlipbookColorReplaces;
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float2 _FlipbookTexArrayPan;
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// blending
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float _FlipbookReplace;
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float _FlipbookMultiply;
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float _FlipbookAdd;
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// anim
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float _FlipbookMovementType;
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float4 _FlipbookStartEndOffset;
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float _FlipbookMovementSpeed;
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// Crossfade
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float _FlipbookCrossfadeEnabled;
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float2 _FlipbookCrossfadeRange;
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float _FlipbookHueShiftEnabled;
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float _FlipbookHueShiftSpeed;
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float _FlipbookHueShift;
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// Global
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float4 flipBookPixel;
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float4 flipBookPixelMultiply;
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float flipBookMask;
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// Audio Link
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half _AudioLinkFlipbookScaleBand;
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half4 _AudioLinkFlipbookScale;
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half _AudioLinkFlipbookAlphaBand;
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half2 _AudioLinkFlipbookAlpha;
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half _AudioLinkFlipbookEmissionBand;
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half2 _AudioLinkFlipbookEmission;
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half _AudioLinkFlipbookFrameBand;
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half2 _AudioLinkFlipbookFrame;
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#ifndef POI_SHADOW
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void applyFlipbook(inout float4 finalColor, inout float3 flipbookEmission)
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{
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#if defined(PROP_FLIPBOOKMASK) || !defined(OPTIMIZER_ENABLED)
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flipBookMask = POI2D_SAMPLER_PAN(_FlipbookMask, _MainTex, poiMesh.uv[_FlipbookMaskUV], _FlipbookMaskPan).r;
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#else
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flipBookMask = 1;
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#endif
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float4 flipbookScaleOffset = _FlipbookScaleOffset;
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#ifdef POI_AUDIOLINK
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flipbookScaleOffset.xy += lerp(_AudioLinkFlipbookScale.xy, _AudioLinkFlipbookScale.zw, poiMods.audioLink[_AudioLinkFlipbookScaleBand]);
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#endif
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flipbookScaleOffset.xy = 1 - flipbookScaleOffset.xy;
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float2 uv = frac(poiMesh.uv[_FlipbookTexArrayUV]);
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float theta = radians(_FlipbookRotation + _Time.z * _FlipbookRotationSpeed);
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float cs = cos(theta);
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float sn = sin(theta);
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float2 spriteCenter = flipbookScaleOffset.zw + .5;
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// 2d rotation
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uv = float2((uv.x - spriteCenter.x) * cs - (uv.y - spriteCenter.y) * sn + spriteCenter.x, (uv.x - spriteCenter.x) * sn + (uv.y - spriteCenter.y) * cs + spriteCenter.y);
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float2 newUV = remap(uv, float2(0, 0) + flipbookScaleOffset.xy / 2 + flipbookScaleOffset.zw, float2(1, 1) - flipbookScaleOffset.xy / 2 + flipbookScaleOffset.zw, float2(0, 0), float2(1, 1));
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UNITY_BRANCH
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if (_FlipbookTiled == 0)
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{
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if (max(newUV.x, newUV.y) > 1 || min(newUV.x, newUV.y) < 0)
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{
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flipBookPixel = 0;
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return;
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}
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}
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#if defined(PROP_FLIPBOOKTEXARRAY) || !defined(OPTIMIZER_ENABLED)
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float currentFrame = fmod(_FlipbookCurrentFrame, _FlipbookTotalFrames);
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if (_FlipbookCurrentFrame < 0)
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{
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currentFrame = (_Time.y / (1 / _FlipbookFPS)) % _FlipbookTotalFrames;
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}
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#ifdef POI_AUDIOLINK
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currentFrame += lerp(_AudioLinkFlipbookFrame.x, _AudioLinkFlipbookFrame.y, poiMods.audioLink[_AudioLinkFlipbookFrameBand]);
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#endif
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flipBookPixel = UNITY_SAMPLE_TEX2DARRAY(_FlipbookTexArray, float3(TRANSFORM_TEX(newUV, _FlipbookTexArray) + _Time.x * _FlipbookTexArrayPan, floor(currentFrame)));
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UNITY_BRANCH
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if (_FlipbookCrossfadeEnabled)
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{
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float4 flipbookNextPixel = UNITY_SAMPLE_TEX2DARRAY(_FlipbookTexArray, float3(TRANSFORM_TEX(newUV, _FlipbookTexArray) + _Time.x * _FlipbookTexArrayPan, floor((currentFrame + 1) % _FlipbookTotalFrames)));
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flipBookPixel = lerp(flipBookPixel, flipbookNextPixel, smoothstep(_FlipbookCrossfadeRange.x, _FlipbookCrossfadeRange.y, frac(currentFrame)));
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}
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#else
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flipBookPixel = 1;
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#endif
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UNITY_BRANCH
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if (_FlipbookIntensityControlsAlpha)
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{
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flipBookPixel.a = poiMax(flipBookPixel.rgb);
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}
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UNITY_BRANCH
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if (_FlipbookColorReplaces)
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{
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flipBookPixel.rgb = _FlipbookColor.rgb;
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}
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else
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{
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flipBookPixel.rgb *= _FlipbookColor.rgb;
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}
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#ifdef POI_BLACKLIGHT
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UNITY_BRANCH
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if (_BlackLightMaskFlipbook != 4)
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{
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flipBookMask *= blackLightMask[_BlackLightMaskFlipbook];
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}
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#endif
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UNITY_BRANCH
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if (_FlipbookHueShiftEnabled)
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{
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flipBookPixel.rgb = hueShift(flipBookPixel.rgb, _FlipbookHueShift + _Time.x * _FlipbookHueShiftSpeed);
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}
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half flipbookAlpha = 1;
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#ifdef POI_AUDIOLINK
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flipbookAlpha = saturate(lerp(_AudioLinkFlipbookAlpha.x, _AudioLinkFlipbookAlpha.y, poiMods.audioLink[_AudioLinkFlipbookAlphaBand]));
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#endif
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finalColor.rgb = lerp(finalColor.rgb, flipBookPixel.rgb, flipBookPixel.a * _FlipbookColor.a * _FlipbookReplace * flipBookMask * flipbookAlpha);
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finalColor.rgb = finalColor + flipBookPixel.rgb * _FlipbookAdd * flipBookMask * flipbookAlpha;
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finalColor.rgb = finalColor * lerp(1, flipBookPixel.rgb, flipBookPixel.a * _FlipbookColor.a * flipBookMask * _FlipbookMultiply * flipbookAlpha);
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UNITY_BRANCH
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if (_FlipbookAlphaControlsFinalAlpha)
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{
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finalColor.a = lerp(finalColor.a, flipBookPixel.a * _FlipbookColor.a, flipBookMask);
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}
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float flipbookEmissionStrength = _FlipbookEmissionStrength;
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#ifdef POI_AUDIOLINK
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flipbookEmissionStrength += max(lerp(_AudioLinkFlipbookEmission.x, _AudioLinkFlipbookEmission.y, poiMods.audioLink[_AudioLinkFlipbookEmissionBand]), 0);
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#endif
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flipbookEmission = lerp(0, flipBookPixel.rgb * flipbookEmissionStrength, flipBookPixel.a * _FlipbookColor.a * flipBookMask * flipbookAlpha);
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}
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#else
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float applyFlipbookAlphaToShadow(float2 uv)
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{
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UNITY_BRANCH
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if (_FlipbookAlphaControlsFinalAlpha)
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{
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float flipbookShadowAlpha = 0;
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float4 flipbookScaleOffset = _FlipbookScaleOffset;
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flipbookScaleOffset.xy = 1 - flipbookScaleOffset.xy;
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float theta = radians(_FlipbookRotation);
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float cs = cos(theta);
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float sn = sin(theta);
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float2 spriteCenter = flipbookScaleOffset.zw + .5;
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uv = float2((uv.x - spriteCenter.x) * cs - (uv.y - spriteCenter.y) * sn + spriteCenter.x, (uv.x - spriteCenter.x) * sn + (uv.y - spriteCenter.y) * cs + spriteCenter.y);
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float2 newUV = remap(uv, float2(0, 0) + flipbookScaleOffset.xy / 2 + flipbookScaleOffset.zw, float2(1, 1) - flipbookScaleOffset.xy / 2 + flipbookScaleOffset.zw, float2(0, 0), float2(1, 1));
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#if defined(PROP_FLIPBOOKTEXARRAY) || !defined(OPTIMIZER_ENABLED)
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float currentFrame = fmod(_FlipbookCurrentFrame, _FlipbookTotalFrames);
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if (_FlipbookCurrentFrame < 0)
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{
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currentFrame = (_Time.y / (1 / _FlipbookFPS)) % _FlipbookTotalFrames;
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}
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half4 flipbookColor = UNITY_SAMPLE_TEX2DARRAY(_FlipbookTexArray, float3(TRANSFORM_TEX(newUV, _FlipbookTexArray) + _Time.x * _FlipbookTexArrayPan, floor(currentFrame)));
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UNITY_BRANCH
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if (_FlipbookCrossfadeEnabled)
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{
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float4 flipbookNextPixel = UNITY_SAMPLE_TEX2DARRAY(_FlipbookTexArray, float3(TRANSFORM_TEX(newUV, _FlipbookTexArray) + _Time.x * _FlipbookTexArrayPan, floor((currentFrame + 1) % _FlipbookTotalFrames)));
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flipbookColor = lerp(flipbookColor, flipbookNextPixel, smoothstep(_FlipbookCrossfadeRange.x, _FlipbookCrossfadeRange.y, frac(currentFrame)));
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}
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#else
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half4 flipbookColor = 1;
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#endif
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if (_FlipbookIntensityControlsAlpha)
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{
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flipbookColor.a = poiMax(flipbookColor.rgb);
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}
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UNITY_BRANCH
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if (_FlipbookTiled == 0)
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{
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if (max(newUV.x, newUV.y) > 1 || min(newUV.x, newUV.y) < 0)
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{
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flipbookColor.a = 0;
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}
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}
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return flipbookColor.a * _FlipbookColor.a;
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}
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return 1;
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}
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#endif
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#endif
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