Initial commit

client/common/shaders/source/grass.hlsl

@@ -0,0 +1,98 @@
+#ifdef CLASSIC
+#define PIN_SURFACE
+#define ALREADY_HAS_PS
+#include "default.hlsl"
+
+#define SPEC_EXPON 50
+#define KS .1
+
+#define NOISE_SCALE float3(0.09, 0.02, 0.004);
+#define SPREAD .3
+#define GRASS_THRESHOLD .95
+
+#define FADE_DIST 300//133.33 fix!!!!!!!!!!
+#define FADE_DIST_START 20
+
+void DefaultPS(VertexOutput IN,
+#ifdef PIN_GBUFFER
+	out float4 oColor1: COLOR1,
+#endif
+	out float4 oColor0: COLOR0)
+{
+	float3 nn = normalize(IN.Normal);
+
+	float3x3 normalMatrix = {
+		IN.Tangent.xyz,
+		cross(nn, IN.Tangent.xyz),
+		nn
+	};
+
+	float fade = saturate(1 - (IN.View_Depth.w - FADE_DIST_START) / FADE_DIST);
+
+	float2 uv = IN.Uv.xy;
+
+    float3 shiftPos = DisplaceCoord(IN.Pos.xyz);
+	float3 ns = NOISE_SCALE;
+    float noiseval2 = tex3D(SpecularMap,shiftPos.xyz*ns.x).x * 0.4;
+	float noiseval = tex3D(SpecularMap,shiftPos.zyx*ns.y).x * 0.6;
+	noiseval -= noiseval2;
+	float noiseval3 = tex3D(SpecularMap,shiftPos.xyz*ns.z).x * 0.3;
+	noiseval += noiseval3;
+
+    float interp = (noiseval - GRASS_THRESHOLD + SPREAD)/2/SPREAD+0.5;
+	interp = clamp(interp,0,1);
+
+    float3 grassColor = tex2D(DiffuseMap, uv).xyz;
+	float3 dirt = tex2D(NormalMap,uv).xyz;
+
+    float3 albedo = IN.Color.xyz;
+    albedo = lerp(grassColor + IN.Color.xyz - float3(0.31,0.43,0.146), dirt, interp * fade);
+
+	float3 grassNorm = tex2D(StudsMap,uv).xyz;
+	float3 dirtNorm = float3(0.5,0.5,1);
+	float3 tn = lerp(grassNorm, dirtNorm, interp) - 0.5;
+    tn = CalcBevel(IN.EdgeDistances, tn, IN.View_Depth.w);
+	nn = mul(tn, normalMatrix);
+    
+	float3 vn = normalize(IN.View_Depth.xyz);
+	float4 light = lgridSample(TEXTURE(LightMap), TEXTURE(LightMapLookup), IN.LightPosition_Fog.xyz);
+	light.a = shadowSample(TEXTURE(ShadowMap), IN.PosLightSpace.xyz, light.a);
+
+	float3 diffuse;
+	float3 specular;
+	Shade(albedo, nn, vn, KS, SPEC_EXPON, light, diffuse, specular);
+
+	oColor0 = float4(diffuse + specular, IN.Color.w);
+    
+    float fogAlpha = saturate((G(FogParams).z - length(IN.View_Depth.xyz)) * G(FogParams).w);
+    oColor0.xyz = lerp(G(FogColor), oColor0.rgb, fogAlpha);
+
+	#ifdef PIN_GBUFFER
+	    oColor1 = gbufferPack(IN.View_Depth.w, diffuse.rgb, specular.rgb, fogAlpha);
+	#endif
+}
+#else
+#define CFG_TEXTURE_TILING              1
+
+#define CFG_DIFFUSE_SCALE               1
+#define CFG_SPECULAR_SCALE              1
+#define CFG_GLOSS_SCALE                 256
+#define CFG_REFLECTION_SCALE          	0
+
+#define CFG_NORMAL_SHADOW_SCALE         0.5
+
+#define CFG_SPECULAR_LOD				0.17
+#define CFG_GLOSS_LOD					18
+
+#define CFG_NORMAL_DETAIL_TILING		0
+#define CFG_NORMAL_DETAIL_SCALE			0
+
+#define CFG_FAR_TILING					0.25
+#define CFG_FAR_DIFFUSE_CUTOFF			0.6
+#define CFG_FAR_NORMAL_CUTOFF			0
+#define CFG_FAR_SPECULAR_CUTOFF			0
+
+#define CFG_OPT_BLEND_COLOR
+
+#include "material.hlsl"
+#endif