182 lines
9.8 KiB
HLSL
182 lines
9.8 KiB
HLSL
/*
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* The MIT License
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*
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* Copyright 2018-2021 whiteflare.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#ifndef INC_UNLIT_WF_UNTOON_POWERCAP
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#define INC_UNLIT_WF_UNTOON_POWERCAP
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#include "WF_UnToon.cginc"
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////////////////////////////
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// Light Matcap Power
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////////////////////////////
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#ifdef _WF_LEGACY_FEATURE_SWITCH
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#define WF_POWERCAP_FUNC(id) \
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void affectMatcapColor_##id(float2 matcapVector, float2 uv_main, inout float4 color) { \
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if (TGL_ON(_HL_Enable_##id)) { \
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float2 matcap_uv = matcapVector.xy * 0.5 + 0.5; \
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float3 matcap_color = PICK_MAIN_TEX2D(_HL_MatcapTex_##id, saturate(matcap_uv)).rgb; \
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float3 matcap_mask = SAMPLE_MASK_VALUE(_HL_MaskTex_##id, uv_main, _HL_InvMaskVal_##id).rgb; \
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float power = _HL_Power_##id * MAX_RGB(matcap_mask); \
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float3 matcap_mask_color = matcap_mask * _HL_MatcapColor_##id * 2; \
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if (_HL_CapType_##id == 1) { \
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matcap_color *= LinearToGammaSpace(matcap_mask_color); \
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color.rgb = blendColor_Add(color.rgb, matcap_color, power); \
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} else if(_HL_CapType_##id == 2) { \
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matcap_color *= LinearToGammaSpace(matcap_mask_color); \
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color.rgb = blendColor_Mul(color.rgb, matcap_color, power); \
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} else { \
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matcap_color -= _HL_MedianColor_##id; \
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float3 lighten_color = max(ZERO_VEC3, matcap_color); \
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float3 darken_color = min(ZERO_VEC3, matcap_color); \
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matcap_color = lerp(darken_color, lighten_color, matcap_mask_color); \
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color.rgb = blendColor_Add(color.rgb, matcap_color, power); \
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} \
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} \
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}
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#else
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#define WF_POWERCAP_FUNC(id) \
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void affectMatcapColor_##id(float2 matcapVector, float2 uv_main, inout float4 color) { \
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float2 matcap_uv = matcapVector.xy * 0.5 + 0.5; \
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float3 matcap_color = PICK_MAIN_TEX2D(_HL_MatcapTex_##id, saturate(matcap_uv)).rgb; \
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float3 matcap_mask = SAMPLE_MASK_VALUE(_HL_MaskTex_##id, uv_main, _HL_InvMaskVal_##id).rgb; \
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float power = _HL_Power_##id * MAX_RGB(matcap_mask); \
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float3 matcap_mask_color = matcap_mask * _HL_MatcapColor_##id * 2; \
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if (_HL_CapType_##id == 1) { \
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matcap_color *= LinearToGammaSpace(matcap_mask_color); \
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color.rgb = blendColor_Add(color.rgb, matcap_color, power); \
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} else if(_HL_CapType_##id == 2) { \
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matcap_color *= LinearToGammaSpace(matcap_mask_color); \
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color.rgb = blendColor_Mul(color.rgb, matcap_color, power); \
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} else { \
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matcap_color -= _HL_MedianColor_##id; \
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float3 lighten_color = max(ZERO_VEC3, matcap_color); \
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float3 darken_color = min(ZERO_VEC3, matcap_color); \
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matcap_color = lerp(darken_color, lighten_color, matcap_mask_color); \
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color.rgb = blendColor_Add(color.rgb, matcap_color, power); \
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} \
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}
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#endif
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#define WF_POWERCAP_AFFECT(id) affectMatcapColor_##id(calcMatcapVector(matcapVector, _HL_BlendNormal_##id, _HL_Parallax_##id), i.uv, color)
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#ifdef _HL_ENABLE_1
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WF_POWERCAP_FUNC(1)
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#endif
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#ifdef _HL_ENABLE_2
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WF_POWERCAP_FUNC(2)
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#endif
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#ifdef _HL_ENABLE_3
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WF_POWERCAP_FUNC(3)
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#endif
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#ifdef _HL_ENABLE_4
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WF_POWERCAP_FUNC(4)
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#endif
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#ifdef _HL_ENABLE_5
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WF_POWERCAP_FUNC(5)
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#endif
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#ifdef _HL_ENABLE_6
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WF_POWERCAP_FUNC(6)
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#endif
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#ifdef _HL_ENABLE_7
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WF_POWERCAP_FUNC(7)
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#endif
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////////////////////////////
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// vertex&fragment shader
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////////////////////////////
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float4 frag_powercap(v2f i, uint facing: SV_IsFrontFace) : SV_Target {
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UNITY_SETUP_INSTANCE_ID(i);
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UNITY_SETUP_STEREO_EYE_INDEX_POST_VERTEX(i);
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float4 color;
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float2 uv_main;
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// メイン
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affectBaseColor(i.uv, facing, uv_main, color);
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// 頂点カラー
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affectVertexColor(i.vertex_color, color);
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// アルファマスク適用
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affectAlphaMask(uv_main, color);
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// BumpMap
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float3 ws_normal = i.normal;
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float3 ws_bump_normal;
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affectBumpNormal(i, uv_main, ws_bump_normal, color);
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float3 ws_view_dir = worldSpaceViewPointDir(i.ws_vertex);
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float3 ws_camera_dir = worldSpaceCameraDir(i.ws_vertex);
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// ビュー空間法線
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float3 vs_normal = calcMatcapVector(ws_view_dir, ws_normal);
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float3 vs_bump_normal = calcMatcapVector(ws_view_dir, ws_bump_normal);
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// カメラとライトの位置関係: -1(逆光) ～ +1(順光)
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float angle_light_camera = calcAngleLightCamera(i.ws_vertex, i.ws_light_dir);
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float4x4 matcapVector = calcMatcapVectorArray(ws_view_dir, ws_camera_dir, ws_normal, ws_bump_normal);
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// Highlight
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affectMatcapColor(calcMatcapVector(matcapVector, _HL_BlendNormal, _HL_Parallax), uv_main, color);
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#ifdef _HL_ENABLE_1
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WF_POWERCAP_AFFECT(1);
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#endif
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#ifdef _HL_ENABLE_2
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WF_POWERCAP_AFFECT(2);
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#endif
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#ifdef _HL_ENABLE_3
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WF_POWERCAP_AFFECT(3);
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#endif
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#ifdef _HL_ENABLE_4
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WF_POWERCAP_AFFECT(4);
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#endif
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#ifdef _HL_ENABLE_5
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WF_POWERCAP_AFFECT(5);
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#endif
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#ifdef _HL_ENABLE_6
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WF_POWERCAP_AFFECT(6);
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#endif
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#ifdef _HL_ENABLE_7
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WF_POWERCAP_AFFECT(7);
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#endif
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// 階調影
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affectToonShade(i, uv_main, ws_normal, ws_bump_normal, angle_light_camera, color);
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// リムライト
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affectRimLight(i, uv_main, calcMatcapVector(matcapVector, _TR_BlendNormal, 0), angle_light_camera, color);
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// Anti-Glare とライト色ブレンドを同時に計算
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color.rgb *= i.light_color;
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// ToonFog
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affectToonFog(i, ws_view_dir, color);
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// フレネル
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affectFresnelAlpha(i.uv, ws_normal, ws_view_dir, color);
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// Alpha は 0-1 にクランプ
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color.a = saturate(color.a);
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// fog
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UNITY_APPLY_FOG(i.fogCoord, color);
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return color;
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}
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#endif
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