Liubing\LB
3d8d4d18f3
先修复一下，错误的场景 删除不必要的钓场资产 修复into场景 update:更新meta文件，修复报错 update:修复资源 修复第一章节建造 修复建造第三章 update:删除多余内容 update:更新README.md update:还原图标 update:更新README update:更新配置
116 lines
3.3 KiB
HLSL
116 lines
3.3 KiB
HLSL
#ifndef UI_SOFT_MASK_INCLUDED
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#define UI_SOFT_MASK_INCLUDED
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uniform sampler2D _SoftMaskTex;
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uniform half4 _SoftMaskColor;
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uniform float _AlphaClipThreshold;
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uniform float4 _SoftMaskOutsideColor;
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uniform int _SoftMaskableStereo;
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uniform float4x4 _GameVP;
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uniform float4x4 _GameVP_2;
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uniform int _MaskingShapeSubtract;
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uniform float _RenderScale;
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uniform float2 _DynamicResolutionScale;
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uniform int _AllowRenderScale;
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uniform int _AllowDynamicResolution;
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uniform float _SoftMaskingPower;
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float2 WorldToUv(float4 worldPos)
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{
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worldPos = mul(unity_ObjectToWorld, worldPos);
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float4x4 gameVp = unity_StereoEyeIndex ? _GameVP_2 : _GameVP;
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float4 clipPos = mul(gameVp, worldPos);
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return clipPos.xy / clipPos.w * 0.5 + 0.5;
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}
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float2 ScreenToUv(const float2 screenPos)
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{
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half2 uv = screenPos;
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#if UNITY_PRETRANSFORM_TO_DISPLAY_ORIENTATION
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float ratio = _ScreenParams.x / _ScreenParams.y;
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switch (UNITY_DISPLAY_ORIENTATION_PRETRANSFORM)
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{
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case UNITY_DISPLAY_ORIENTATION_PRETRANSFORM_90:
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return half2((1 - uv.y) / ratio, uv.x * ratio);
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case UNITY_DISPLAY_ORIENTATION_PRETRANSFORM_180:
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return half2(1 - uv.x, 1 - uv.y);
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case UNITY_DISPLAY_ORIENTATION_PRETRANSFORM_270:
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return half2((uv.y + ratio - 1) / ratio, 1 - uv.x * ratio);
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}
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#endif
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return uv;
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}
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float2 ClipToUv(const float2 clipPos)
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{
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half2 screenPos = clipPos / _ScreenParams.xy;
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#if UNITY_UV_STARTS_AT_TOP
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if (0 <= _ProjectionParams.x)
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screenPos.y = 1 - screenPos.y;
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#endif
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return ScreenToUv(screenPos);
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}
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float SoftMaskSample(float2 uv, float a)
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{
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if (_SoftMaskableStereo)
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{
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uv = lerp(half2(uv.x / 2, uv.y), half2(uv.x / 2 + 0.5, uv.y), unity_StereoEyeIndex);
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}
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#if !SOFTMASK_EDITOR
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if (_AllowRenderScale == 1)
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{
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uv /= _RenderScale;
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}
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if (_AllowDynamicResolution == 1)
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{
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uv /= _DynamicResolutionScale;
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}
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#endif
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half4 mask = tex2D(_SoftMaskTex, uv);
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half4 alpha = saturate(lerp(half4(1, 1, 1, 1),
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lerp(mask, half4(1, 1, 1, 1) - mask, _SoftMaskColor - half4(1, 1, 1, 1)),
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_SoftMaskColor));
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#if SOFTMASK_EDITOR
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int inScreen = step(0, uv.x) * step(uv.x, 1) * step(0, uv.y) * step(uv.y, 1);
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alpha = lerp(_SoftMaskOutsideColor, alpha, inScreen);
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#ifdef UNITY_UI_ALPHACLIP
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if (_MaskingShapeSubtract == 1)
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{
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clip (a * alpha.x * alpha.y * alpha.z * alpha.w - _AlphaClipThreshold - 0.001);
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}
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#endif
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#endif
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return pow(alpha.x * alpha.y * alpha.z * alpha.w, _SoftMaskingPower);
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}
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void SoftMaskForGraph_float(float4 ScreenPos, float4 WorldPos, float InAlpha, out float A)
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{
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#if !SOFTMASKABLE
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A = InAlpha;
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#elif SOFTMASK_EDITOR
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A = SoftMaskSample(WorldToUv(WorldPos), InAlpha) * InAlpha;
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#else
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A = SoftMaskSample(ScreenToUv(ScreenPos.xy), 1) * InAlpha;
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#endif
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}
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#if !SOFTMASKABLE
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#define EDITOR_ONLY(_)
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#define SOFTMASK_EDITOR_ONLY(_)
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#define SoftMask(_, __, ___) 1
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#elif SOFTMASK_EDITOR
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#define EDITOR_ONLY(x) x
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#define SOFTMASK_EDITOR_ONLY(x) x
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#define SoftMask(_, worldPos, alpha) SoftMaskSample(WorldToUv(worldPos), alpha)
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#else
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#define EDITOR_ONLY(_)
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#define SOFTMASK_EDITOR_ONLY(_)
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#define SoftMask(clipPos, _, __) SoftMaskSample(ClipToUv(clipPos), 1)
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#endif
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#else
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#endif // UI_SOFT_MASK_INCLUDED
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