first commit

2026-05-07 21:38:27 +03:00
commit 84fb173ea8
3949 changed files with 564326 additions and 0 deletions
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+#define ENTITY_GN_AND_CT
+#define GENERATED_NORMAL_MULT 100 //[25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 110 120 130 140 150 160 170 180 190 200 250 300 400]
+#define GENERATED_NORMAL_ENTITY_MULT 0 //[0 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 110 120 130 140 150 160 170 180 190 200 250 300 400]
+#define NORMAL_RES 128 //[16 32 64 80 96 112 128 144 160 176 192 208 224 240 256 320 384 448 512]
+
+const float normalThreshold = 0.05;
+const float normalClamp = 0.2;
+const float packSizeGN = 128.0;
+
+#ifdef GBUFFERS_ENTITIES
+    #if GENERATED_NORMAL_ENTITY_MULT > 0
+        const float normalMult = GENERATED_NORMAL_ENTITY_MULT * 0.025;
+    #else
+        const float normalMult = GENERATED_NORMAL_MULT * 0.025;
+    #endif
+#elif !defined GBUFFERS_HAND
+    const float normalMult = GENERATED_NORMAL_MULT * 0.025;
+#else
+    const float normalMult = GENERATED_NORMAL_MULT * 0.015;
+#endif
+
+float GetDif(float lOriginalAlbedo, vec2 offsetCoord) {
+    #ifndef GBUFFERS_WATER
+        float lNearbyAlbedo = length(texture2D(tex, offsetCoord).rgb);
+    #else
+        vec4 textureSample = texture2D(tex, offsetCoord);
+        float lNearbyAlbedo = length(textureSample.rgb * textureSample.a * 1.5);
+    #endif
+
+    #ifdef GBUFFERS_ENTITIES
+        lOriginalAlbedo = abs(lOriginalAlbedo - 1.0);
+        lNearbyAlbedo = abs(lNearbyAlbedo - 1.0);
+    #endif
+
+    float dif = lOriginalAlbedo - lNearbyAlbedo;
+
+    #ifdef GBUFFERS_ENTITIES
+        dif = -dif;
+    #endif
+
+    #ifndef GBUFFERS_WATER
+        if (dif > 0.0) dif = max(dif - normalThreshold, 0.0);
+        else           dif = min(dif + normalThreshold, 0.0);
+    #endif
+
+    return clamp(dif, -normalClamp, normalClamp);
+}
+
+void GenerateNormals(inout vec3 normalM, vec3 color) {
+    #ifndef ENTITY_GN_AND_CT
+        #if defined GBUFFERS_ENTITIES || defined GBUFFERS_HAND
+            return;
+        #endif
+    #endif
+
+    vec2 absMidCoordPos2 = absMidCoordPos * 2.0;
+    float lOriginalAlbedo = length(color.rgb);
+
+    float normalMult = max0(1.0 - mipDelta) * normalMult;
+
+    #ifndef SAFER_GENERATED_NORMALS
+        vec2 offsetR = 16.0 / atlasSizeM;
+    #else
+        vec2 offsetR = max(absMidCoordPos2.x, absMidCoordPos2.y) * vec2(float(atlasSizeM.y) / float(atlasSizeM.x), 1.0);
+    #endif
+    offsetR /= NORMAL_RES;
+
+    vec2 midCoord = texCoord - midCoordPos;
+    vec2 maxOffsetCoord = midCoord + absMidCoordPos;
+    vec2 minOffsetCoord = midCoord - absMidCoordPos;
+    if (normalMult > 0.0) {
+        vec3 normalMap = vec3(0.0, 0.0, 1.0);
+
+        vec2 offsetCoord = texCoord + vec2( 0.0, offsetR.y);
+        if (offsetCoord.y < maxOffsetCoord.y)
+            normalMap.y += GetDif(lOriginalAlbedo, offsetCoord);
+
+        offsetCoord = texCoord + vec2( offsetR.x, 0.0);
+        if (offsetCoord.x < maxOffsetCoord.x)
+            normalMap.x += GetDif(lOriginalAlbedo, offsetCoord);
+
+        offsetCoord = texCoord + vec2( 0.0,-offsetR.y);
+        if (offsetCoord.y > minOffsetCoord.y)
+            normalMap.y -= GetDif(lOriginalAlbedo, offsetCoord);
+
+        offsetCoord = texCoord + vec2(-offsetR.x, 0.0);
+        if (offsetCoord.x > minOffsetCoord.x)
+            normalMap.x -= GetDif(lOriginalAlbedo, offsetCoord);
+
+        normalMap.xy *= normalMult;
+        normalMap.xy = clamp(normalMap.xy, vec2(-1.0), vec2(1.0));
+
+        if (normalMap.xy != vec2(0.0, 0.0))
+            normalM = clamp(normalize(normalMap * tbnMatrix), vec3(-1.0), vec3(1.0));
+    }
+}