public override void Update_Brush_Parameters_For_Preview_Shader(PlaytimePainter p)
{
BlitModeExtensions.SetShaderToggle(!p.IsAtlased(), PainterDataAndConfig.UV_NORMAL, PainterDataAndConfig.UV_ATLASED);
}
public void Shader_BrushCFG_Update(BrushConfig brush, float brushAlpha, float textureWidth, bool RendTex, bool texcoord2, PlaytimePainter pntr)
{
var brushType = brush.Type(!RendTex);
bool is3Dbrush = brush.IsA3Dbrush(pntr);
bool isDecal = (RendTex) && (brushType.IsUsingDecals);
Color c = brush.colorLinear.ToGamma();
#if UNITY_EDITOR
// if (isLinearColorSpace) c = c.linear;
#endif
Shader.SetGlobalVector("_brushColor", c);
Shader.SetGlobalVector("_brushMask", new Vector4(
brush.mask.GetFlag(BrushMask.R) ? 1 : 0,
brush.mask.GetFlag(BrushMask.G) ? 1 : 0,
brush.mask.GetFlag(BrushMask.B) ? 1 : 0,
brush.mask.GetFlag(BrushMask.A) ? 1 : 0));
if (isDecal)
{
Shader_UpdateDecal(brush);
}
if (brush.useMask && RendTex)
{
Shader.SetGlobalTexture("_SourceMask", Data.masks.TryGet(brush.selectedSourceMask));
}
Shader.SetGlobalVector("_maskDynamics", new Vector4(
brush.maskTiling,
RendTex ? brush.Hardness : 0, // y - Hardness is 0 to do correct preview for Texture2D brush
(brush.flipMaskAlpha ? 0 : 1)
, 0));
Shader.SetGlobalVector("_maskOffset", new Vector4(
brush.maskOffset.x,
brush.maskOffset.y,
0,
0));
Shader.SetGlobalVector("_brushForm", new Vector4(
brushAlpha // x - transparency
, brush.Size(is3Dbrush) // y - scale for sphere
, brush.Size(is3Dbrush) / textureWidth // z - scale for uv space
, brush.blurAmount)); // w - blur amount
brushType.SetKeyword(texcoord2);
if (texcoord2)
{
Shader.EnableKeyword(PainterDataAndConfig.BRUSH_TEXCOORD_2);
}
else
{
Shader.DisableKeyword(PainterDataAndConfig.BRUSH_TEXCOORD_2);
}
brush.BlitMode.SetKeyword().SetGlobalShaderParameters();
if (brush.BlitMode.GetType() == typeof(BlitModeSamplingOffset))
{
Shader.EnableKeyword("PREVIEW_SAMPLING_DISPLACEMENT");
Shader.DisableKeyword("PREVIEW_ALPHA");
Shader.DisableKeyword("PREVIEW_RGB");
}
else
{
Shader.DisableKeyword("PREVIEW_SAMPLING_DISPLACEMENT");
BlitModeExtensions.SetShaderToggle(TexMGMTdata.previewAlphaChanel, "PREVIEW_ALPHA", "PREVIEW_RGB");
}
if ((RendTex) && (brush.BlitMode.UsingSourceTexture))
{
Shader.SetGlobalTexture("_SourceTexture", Data.sourceTextures.TryGet(brush.selectedSourceTexture));
}
}