private static Material[] BuildMaterialsBlendModes(string shaderName)
{
var shader = P3dShader.Load(shaderName);
var materials = new Material[P3dShader.BLEND_MODE_COUNT];
for (var blend = 0; blend < P3dShader.BLEND_MODE_COUNT; blend++)
{
materials[blend] = P3dShader.Build(shader, 0, (P3dBlendMode)blend);
}
return(materials);
}
public static void Normal(RenderTexture rendertexture, Texture texture)
{
if (cachedNormalSet == false)
{
cachedNormal = P3dShader.BuildMaterial("Hidden/Paint in 3D/Normal");
cachedNormalSet = true;
}
cachedNormal.SetTexture(P3dShader._Texture, texture);
P3dHelper.Blit(rendertexture, cachedNormal);
}
public static void Premultiply(RenderTexture rendertexture, Texture texture, Color tint)
{
if (cachedPremultiplySet == false)
{
cachedPremultiply = P3dShader.BuildMaterial("Hidden/Paint in 3D/Premultiply");
cachedPremultiplySet = true;
}
cachedPremultiply.SetTexture(P3dShader._Texture, texture);
cachedPremultiply.SetColor(P3dShader._Color, tint);
P3dHelper.Blit(rendertexture, cachedPremultiply);
}
public static Material[] BuildMaterialsBlendModes(string shaderName)
{
var shader = P3dShader.Load(shaderName);
var materials = new Material[P3dBlendMode.COUNT];
for (var index = 0; index < P3dBlendMode.COUNT; index++)
{
var material = P3dShader.Build(shader);
P3dShader.BuildBlendMode(material, index);
materials[index] = material;
}
return(materials);
}
public static void Texture(RenderTexture rendertexture, Mesh mesh, int submesh, Texture texture, P3dCoord coord)
{
if (cachedTextureSet == false)
{
cachedTexture = P3dShader.BuildMaterial("Hidden/Paint in 3D/Texture");
cachedTextureSet = true;
}
P3dHelper.BeginActive(rendertexture);
cachedTexture.SetTexture(P3dShader._Buffer, texture);
cachedTexture.SetVector(P3dShader._BufferSize, new Vector2(texture.width, texture.height));
P3dHelper.Draw(cachedTexture, mesh, Matrix4x4.identity, submesh, coord);
P3dHelper.EndActive();
}
public static void White(RenderTexture rendertexture, Mesh mesh, int submesh, P3dCoord coord)
{
P3dHelper.BeginActive(rendertexture);
if (mesh != null)
{
if (cachedWhiteSet == false)
{
cachedWhite = P3dShader.BuildMaterial("Hidden/Paint in 3D/White");
cachedWhiteSet = true;
}
GL.Clear(true, true, Color.black);
P3dHelper.Draw(cachedWhite, mesh, Matrix4x4.identity, submesh, coord);
}
else
{
GL.Clear(true, true, Color.white);
}
P3dHelper.EndActive();
}
public static Material[] BuildMaterialsBlendModes(string shaderName, string keyword = null)
{
var shader = P3dShader.Load(shaderName);
var materials = new Material[P3dBlendMode.COUNT];
for (var index = 0; index < P3dBlendMode.COUNT; index++)
{
var material = P3dShader.Build(shader);
P3dShader.BuildBlendMode(material, index);
materials[index] = material;
}
if (string.IsNullOrEmpty(keyword) == false)
{
for (var index = 0; index < P3dBlendMode.COUNT; index++)
{
materials[index].EnableKeyword(keyword);
}
}
return(materials);
}
static P3dCommandDecal()
{
cachedSpotMaterials = P3dShader.BuildMaterialsBlendModes("Hidden/Paint in 3D/Decal");
cachedLineMaterials = P3dShader.BuildMaterialsBlendModes("Hidden/Paint in 3D/Decal", "P3D_LINE");
cachedQuadMaterials = P3dShader.BuildMaterialsBlendModes("Hidden/Paint in 3D/Decal", "P3D_QUAD");
}
private void BakeOverlap()
{
var desc = new RenderTextureDescriptor(1024, 1024, RenderTextureFormat.ARGB32, 0);
var renderTexture = P3dHelper.GetRenderTexture(desc);
if (overlapMaterial == null)
{
overlapMaterial = P3dShader.BuildMaterial("Hidden/Paint in 3D/Overlap");
}
overlapMaterial.SetVector(P3dShader._Coord, P3dHelper.IndexToVector(coord));
var oldActive = RenderTexture.active;
RenderTexture.active = renderTexture;
GL.Clear(true, true, Color.black);
overlapMaterial.SetPass(0);
Graphics.DrawMeshNow(mesh, Matrix4x4.identity, submesh);
foreach (var obj in Selection.objects)
{
var otherMesh = obj as Mesh;
if (otherMesh != null && otherMesh != mesh)
{
Graphics.DrawMeshNow(otherMesh, Matrix4x4.identity, submesh);
}
}
RenderTexture.active = oldActive;
overlapTex = P3dHelper.GetReadableCopy(renderTexture);
P3dHelper.ReleaseRenderTexture(renderTexture);
var utilizationCount = 0;
var overlapCount = 0;
for (var y = 0; y < overlapTex.height; y++)
{
for (var x = 0; x < overlapTex.width; x++)
{
var pixel = overlapTex.GetPixel(x, y);
if (pixel.r > 0.0f)
{
if (pixel.r > 1.5 / 255.0f)
{
pixel = Color.red;
overlapCount += 1;
}
else
{
pixel = Color.gray;
}
utilizationCount += 1;
overlapTex.SetPixel(x, y, pixel);
}
}
}
var total = overlapTex.width * overlapTex.height * 0.01f;
utilizationPercent = utilizationCount / total;
overlapPercent = overlapCount / total;
overlapTex.Apply();
}
private static Material BuildMaterial(string shaderName)
{
var shader = P3dShader.Load(shaderName);
return(P3dShader.Build(shader));
}
static P3dCommandSphere()
{
cachedSpotMaterial = P3dShader.BuildMaterial("Hidden/Paint in 3D/Sphere");
cachedLineMaterial = P3dShader.BuildMaterial("Hidden/Paint in 3D/Sphere", "P3D_LINE");
cachedQuadMaterial = P3dShader.BuildMaterial("Hidden/Paint in 3D/Sphere", "P3D_QUAD");
}
static P3dCommandReplace()
{
cachedMaterial = P3dShader.BuildMaterial("Hidden/Paint in 3D/Replace");
}
static P3dCommandFill()
{
cachedMaterials = P3dShader.BuildMaterialsBlendModes("Hidden/Paint in 3D/Fill");
}
public static void BuildMaterial(ref Material material, ref int materialHash, string path, string keyword = null)
{
material = P3dShader.BuildMaterial(path, keyword);
materialHash = P3dSerialization.TryRegister(material);
}
static P3dCommandFill()
{
cachedMaterial = P3dShader.BuildMaterial("Hidden/Paint in 3D/Fill");
}
private void Bake(RenderTexture temporary, int width, int height, RenderTextureFormat format, int scale)
{
if (bakedPixels == null)
{
bakedPixels = new List <bool>();
}
else
{
bakedPixels.Clear();
}
baked = true;
bakedMesh = mesh;
bakedSize = new Vector2Int(width, height);
if (cachedMaterial == null)
{
cachedMaterial = P3dShader.BuildMaterial("Hidden/Paint in 3D/White");
}
cachedMaterial.SetVector(P3dShader._Channel, P3dHelper.IndexToVector((int)PaintableTexture.Coord));
// Write to temp RenderTexture
var oldActive = RenderTexture.active;
var renderTexture = temporary;
if (temporary == null)
{
var desc = new RenderTextureDescriptor(width, height, format, 0);
renderTexture = P3dHelper.GetRenderTexture(desc);
}
RenderTexture.active = renderTexture;
GL.Clear(true, true, Color.black);
cachedMaterial.SetPass(0);
Graphics.DrawMeshNow(mesh, Matrix4x4.identity, PaintableTexture.Slot.Index);
RenderTexture.active = oldActive;
// Get readable copy
var readable = P3dHelper.GetReadableCopy(renderTexture);
if (temporary == null)
{
P3dHelper.ReleaseRenderTexture(renderTexture);
}
// Run through pixels to count total and build binary mask
bakedPixels.Capacity = width * height;
total = 0;
for (var y = 0; y < height; y++)
{
for (var x = 0; x < width; x++)
{
if (readable.GetPixel(x, y).r > 0.5f)
{
bakedPixels.Add(true);
total += scale;
}
else
{
bakedPixels.Add(false);
}
}
}
// Clean up
P3dHelper.Destroy(readable);
}