Add shaders

2026-05-19 15:33:18 +02:00
parent 593c2e75b2
commit cd9df45d08
1358 changed files with 2429155 additions and 0 deletions
@@ -0,0 +1,139 @@
+#ifndef SNOWED_SPEEDTREE_COMMON_INCLUDED
+#define SNOWED_SPEEDTREE_COMMON_INCLUDED
+
+#include "UnityCG.cginc"
+
+#define SPEEDTREE_Y_UP
+
+#ifdef GEOM_TYPE_BRANCH_DETAIL
+	#define GEOM_TYPE_BRANCH
+#endif
+
+#include "SpeedTree/SnowedSpeedTreeVertex.cginc"
+
+// Define Input structure
+
+struct Input
+{
+//	fixed4 color;
+	half3 interpolator1;
+//	#ifdef GEOM_TYPE_BRANCH_DETAIL
+//		half3 interpolator2;
+//	#endif
+	float3 worldPos;
+	float3 worldNormal;
+};
+	
+// Define uniforms
+
+#define mainTexUV interpolator1.xy
+sampler2D _MainTex;
+
+//#ifdef GEOM_TYPE_BRANCH_DETAIL
+//	#define Detail interpolator2
+//	sampler2D _DetailTex;
+//#endif
+
+#if defined(GEOM_TYPE_FROND) || defined(GEOM_TYPE_LEAF) || defined(GEOM_TYPE_FACING_LEAF)
+	#define SPEEDTREE_ALPHATEST
+	fixed _Cutoff;
+#endif
+
+//#ifdef EFFECT_HUE_VARIATION
+//	#define HueVariationAmount interpolator1.z
+//	half4 _HueVariation;
+//#endif
+
+//#ifdef EFFECT_BUMP
+//	sampler2D _BumpMap;
+//#endif
+
+fixed4 _Color;
+
+// Vertex processing
+
+void SpeedTreeVert(inout SpeedTreeVB IN, out Input OUT)
+{
+	UNITY_INITIALIZE_OUTPUT(Input, OUT);
+
+	OUT.mainTexUV = IN.texcoord.xy;
+//	OUT.color = _Color;
+//	OUT.color.rgb *= IN.color.r; // ambient occlusion factor
+
+//	#ifdef EFFECT_HUE_VARIATION
+//		float hueVariationAmount = frac(unity_ObjectToWorld[0].w + unity_ObjectToWorld[1].w + unity_ObjectToWorld[2].w);
+//		hueVariationAmount += frac(IN.vertex.x + IN.normal.y + IN.normal.x) * 0.5 - 0.3;
+//		OUT.HueVariationAmount = saturate(hueVariationAmount * _HueVariation.a);
+//	#endif
+
+//	#ifdef GEOM_TYPE_BRANCH_DETAIL
+//		// The two types are always in different sub-range of the mesh so no interpolation (between detail and blend) problem.
+//		OUT.Detail.xy = IN.texcoord2.xy;
+//		if (IN.color.a == 0) // Blend
+//			OUT.Detail.z = IN.texcoord2.z;
+//		else // Detail texture
+//			OUT.Detail.z = 2.5f; // stay out of Blend's .z range
+//	#endif
+
+	OffsetSpeedTreeVertex(IN, unity_LODFade.x);
+}
+
+// Fragment processing
+
+//#ifdef EFFECT_BUMP
+//	#define SPEEDTREE_DATA_NORMAL			fixed3 Normal;
+//	#define SPEEDTREE_COPY_NORMAL(to, from)	to.Normal = from.Normal;
+//#else
+	#define SPEEDTREE_DATA_NORMAL
+	#define SPEEDTREE_COPY_NORMAL(to, from)
+//#endif
+
+//#define SPEEDTREE_COPY_FRAG(to, from)	\
+//	to.Albedo = from.Albedo;			\
+//	to.Alpha = from.Alpha;				\
+//	SPEEDTREE_COPY_NORMAL(to, from)
+
+#define SPEEDTREE_COPY_FRAG(to, from) \
+	to.Albedo = from.Albedo;		  \
+	to.Alpha = from.Alpha;
+
+struct SpeedTreeFragOut
+{
+	fixed3 Albedo;
+	fixed Alpha;
+//	SPEEDTREE_DATA_NORMAL
+};
+
+void SpeedTreeFrag(Input IN, out SpeedTreeFragOut OUT)
+{
+	half4 diffuseColor = tex2D(_MainTex, IN.mainTexUV);
+
+	OUT.Alpha = diffuseColor.a * _Color.a;
+	#ifdef SPEEDTREE_ALPHATEST
+		clip(OUT.Alpha - _Cutoff);
+	#endif
+
+//	#ifdef GEOM_TYPE_BRANCH_DETAIL
+//		half4 detailColor = tex2D(_DetailTex, IN.Detail.xy);
+//		diffuseColor.rgb = lerp(diffuseColor.rgb, detailColor.rgb, IN.Detail.z < 2.0f ? saturate(IN.Detail.z) : detailColor.a);
+//	#endif
+//
+//	#ifdef EFFECT_HUE_VARIATION
+//		half3 shiftedColor = lerp(diffuseColor.rgb, _HueVariation.rgb, IN.HueVariationAmount);
+//		half maxBase = max(diffuseColor.r, max(diffuseColor.g, diffuseColor.b));
+//		half newMaxBase = max(shiftedColor.r, max(shiftedColor.g, shiftedColor.b));
+//		maxBase /= newMaxBase;
+//		maxBase = maxBase * 0.5f + 0.5f;
+//		// preserve vibrance
+//		shiftedColor.rgb *= maxBase;
+//		diffuseColor.rgb = saturate(shiftedColor);
+//	#endif
+//
+	OUT.Albedo = diffuseColor.rgb; // * IN.color.rgb;
+//
+//	#ifdef EFFECT_BUMP
+//		OUT.Normal = UnpackNormal(tex2D(_BumpMap, IN.mainTexUV));
+//	#endif
+}
+
+#endif // SPEEDTREE_COMMON_INCLUDED