diff options
Diffstat (limited to 'decals.cginc')
| -rw-r--r-- | decals.cginc | 94 |
1 files changed, 76 insertions, 18 deletions
diff --git a/decals.cginc b/decals.cginc index bc49493..45a9354 100644 --- a/decals.cginc +++ b/decals.cginc @@ -28,6 +28,10 @@ struct DecalParams { Texture2D metallicGlossMap;
float metallic_value;
float smoothness_value;
+ Texture2D cmyk_warping_planes_noise;
+ float cmyk_warping_planes_strength;
+ float cmyk_warping_planes_scale;
+ float cmyk_warping_planes_speed;
};
// Macro to initialize decal parameters
@@ -51,7 +55,57 @@ struct DecalParams { params.reflections_enabled = prefix##Reflections_Enabled; \
params.metallicGlossMap = prefix##MetallicGlossMap; \
params.metallic_value = prefix##Metallic; \
- params.smoothness_value = prefix##Smoothness
+ params.smoothness_value = prefix##Smoothness; \
+ params.cmyk_warping_planes_noise = prefix##CMYK_Warping_Planes_Noise; \
+ params.cmyk_warping_planes_strength = prefix##CMYK_Warping_Planes_Strength; \
+ params.cmyk_warping_planes_scale = prefix##CMYK_Warping_Planes_Scale; \
+ params.cmyk_warping_planes_speed = prefix##CMYK_Warping_Planes_Speed;
+
+float4 getDecalColor(DecalParams params, float2 uv) {
+ float4 sdf_sample = params.mainTex.SampleLevel(linear_repeat_s, uv, 0);
+ float sd = sdf_sample.r;
+ sd = params.sdf_invert ? 1 - sd : sd;
+ sd = (sd > params.sdf_threshold ? 1 : 0);
+ return params.color * sd;
+}
+
+float4 getCmykWarpingPlanesColor(DecalParams params, float2 uv) {
+ float4 noise = params.cmyk_warping_planes_noise.SampleLevel(linear_repeat_s, uv, 0);
+
+ float amplitude = params.cmyk_warping_planes_strength;
+ float frequency = params.cmyk_warping_planes_scale;
+
+ // Process pairs of planes in each loop.
+ float4 warped_uv[2] = {float4(uv, uv), float4(uv, uv)};
+ [loop]
+ for (uint jj = 0; jj < 2; jj++) {
+ float2 speed_direction = float2(
+ jj % 2 == 0 ? 1 : -1,
+ jj / 2 == 0 ? 1 : -1);
+ float2 time_offset = speed_direction * _Time.y * params.cmyk_warping_planes_speed;
+ {
+ float2 noise_uv = warped_uv[jj] * frequency + time_offset;
+ float4 noise = params.cmyk_warping_planes_noise.SampleLevel(trilinear_repeat_s, noise_uv, 0);
+ noise = (noise * 2.0 - 1.0);
+ warped_uv[jj].xy += noise.xy * amplitude;
+ warped_uv[jj].zw += noise.zw * amplitude;
+ }
+ }
+
+ float4 decal_color0 = getDecalColor(params, warped_uv[0].xy);
+ float4 decal_color1 = getDecalColor(params, warped_uv[0].zw);
+ float4 decal_color2 = getDecalColor(params, warped_uv[1].xy);
+ float4 decal_color3 = getDecalColor(params, warped_uv[1].zw);
+
+ float4 final_cmyk = float4(
+ rgbToCmyk_C(decal_color0.rgb),
+ rgbToCmyk_M(decal_color1.rgb),
+ rgbToCmyk_Y(decal_color2.rgb),
+ rgbToCmyk_K(decal_color3.rgb));
+
+ float3 final_rgb = saturate(cmykToRgb(final_cmyk));
+ return float4(final_rgb, decal_color0.a + decal_color1.a + decal_color2.a + decal_color3.a);
+}
#define APPLY_DECAL_SEC00_GENERIC(i, albedo, normal_tangent, metallic, smoothness, params) \
float2x2 decal_rot = float2x2( \
@@ -65,15 +119,11 @@ struct DecalParams { decal_uv = mul(decal_rot, decal_uv - 0.5) + 0.5; \
decal_uv = (params.tiling_mode == DECAL_TILING_MODE_CLAMP ? saturate(decal_uv) : decal_uv);
-#define APPLY_DECAL_SEC01_SDF_ON(i, albedo, normal_tangent, metallic, smoothness, params) \
- float4 decal_albedo; \
- { \
- float4 sdf_sample = params.mainTex.SampleLevel(linear_repeat_s, decal_uv, 0); \
- float sd = sdf_sample.r; \
- sd = params.sdf_invert ? 1 - sd : sd; \
- sd = (sd > params.sdf_threshold ? 1 : 0); \
- decal_albedo = params.color * sd; \
- }
+#define APPLY_DECAL_SEC01_SDF_ON_WARPING_ON(i, albedo, normal_tangent, metallic, smoothness, params) \
+ float4 decal_albedo = getCmykWarpingPlanesColor(params, decal_uv);
+
+#define APPLY_DECAL_SEC01_SDF_ON_WARPING_OFF(i, albedo, normal_tangent, metallic, smoothness, params) \
+ float4 decal_albedo = getDecalColor(params, decal_uv);
#define APPLY_DECAL_SEC01_SDF_OFF(i, albedo, normal_tangent, metallic, smoothness, params) \
float4 decal_albedo; \
@@ -127,8 +177,10 @@ void applyDecals(in v2f i, inout float4 albedo, inout float3 normal_tangent, ino {
INIT_DECAL_PARAMS(decal, _Decal0_);
APPLY_DECAL_SEC00_GENERIC(i, albedo, normal_tangent, metallic, smoothness, decal);
- #if defined(_DECAL0_SDF)
- APPLY_DECAL_SEC01_SDF_ON(i, albedo, normal_tangent, metallic, smoothness, decal);
+ #if defined(_DECAL0_SDF) && defined(_DECAL0_CMYK_WARPING_PLANES)
+ APPLY_DECAL_SEC01_SDF_ON_WARPING_ON(i, albedo, normal_tangent, metallic, smoothness, decal);
+ #elif defined(_DECAL0_SDF)
+ APPLY_DECAL_SEC01_SDF_ON_WARPING_OFF(i, albedo, normal_tangent, metallic, smoothness, decal);
#else
APPLY_DECAL_SEC01_SDF_OFF(i, albedo, normal_tangent, metallic, smoothness, decal);
#endif
@@ -163,8 +215,10 @@ void applyDecals(in v2f i, inout float4 albedo, inout float3 normal_tangent, ino {
INIT_DECAL_PARAMS(decal, _Decal1_);
APPLY_DECAL_SEC00_GENERIC(i, albedo, normal_tangent, metallic, smoothness, decal);
- #if defined(_DECAL1_SDF)
- APPLY_DECAL_SEC01_SDF_ON(i, albedo, normal_tangent, metallic, smoothness, decal);
+ #if defined(_DECAL1_SDF) && defined(_DECAL1_CMYK_WARPING_PLANES)
+ APPLY_DECAL_SEC01_SDF_ON_WARPING_ON(i, albedo, normal_tangent, metallic, smoothness, decal);
+ #elif defined(_DECAL1_SDF)
+ APPLY_DECAL_SEC01_SDF_ON_WARPING_OFF(i, albedo, normal_tangent, metallic, smoothness, decal);
#else
APPLY_DECAL_SEC01_SDF_OFF(i, albedo, normal_tangent, metallic, smoothness, decal);
#endif
@@ -199,8 +253,10 @@ void applyDecals(in v2f i, inout float4 albedo, inout float3 normal_tangent, ino {
INIT_DECAL_PARAMS(decal, _Decal2_);
APPLY_DECAL_SEC00_GENERIC(i, albedo, normal_tangent, metallic, smoothness, decal);
- #if defined(_DECAL2_SDF)
- APPLY_DECAL_SEC01_SDF_ON(i, albedo, normal_tangent, metallic, smoothness, decal);
+ #if defined(_DECAL2_SDF) && defined(_DECAL2_CMYK_WARPING_PLANES)
+ APPLY_DECAL_SEC01_SDF_ON_WARPING_ON(i, albedo, normal_tangent, metallic, smoothness, decal);
+ #elif defined(_DECAL2_SDF)
+ APPLY_DECAL_SEC01_SDF_ON_WARPING_OFF(i, albedo, normal_tangent, metallic, smoothness, decal);
#else
APPLY_DECAL_SEC01_SDF_OFF(i, albedo, normal_tangent, metallic, smoothness, decal);
#endif
@@ -235,8 +291,10 @@ void applyDecals(in v2f i, inout float4 albedo, inout float3 normal_tangent, ino {
INIT_DECAL_PARAMS(decal, _Decal3_);
APPLY_DECAL_SEC00_GENERIC(i, albedo, normal_tangent, metallic, smoothness, decal);
- #if defined(_DECAL3_SDF)
- APPLY_DECAL_SEC01_SDF_ON(i, albedo, normal_tangent, metallic, smoothness, decal);
+ #if defined(_DECAL3_SDF) && defined(_DECAL3_CMYK_WARPING_PLANES)
+ APPLY_DECAL_SEC01_SDF_ON_WARPING_ON(i, albedo, normal_tangent, metallic, smoothness, decal);
+ #elif defined(_DECAL3_SDF)
+ APPLY_DECAL_SEC01_SDF_ON_WARPING_OFF(i, albedo, normal_tangent, metallic, smoothness, decal);
#else
APPLY_DECAL_SEC01_SDF_OFF(i, albedo, normal_tangent, metallic, smoothness, decal);
#endif
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