public bool PaintTexture2D(StrokeVector stroke, float brushAlpha, ImageData image, BrushConfig bc, PlaytimePainter pntr)
{
var volume = image.texture2D.GetVolumeTextureData();
if (volume != null)
{
if (volume.VolumeJobIsRunning)
{
return(false);
}
float volumeScale = volume.size;
Vector3 pos = (stroke.posFrom - volume.transform.position) / volumeScale + 0.5f * Vector3.one;
int height = volume.Height;
int texWidth = image.width;
Blit_Functions.brAlpha = brushAlpha;
bc.PrepareCPUBlit();
Blit_Functions.half = bc.Size(true) / volumeScale;
var pixels = image.Pixels;
int ihalf = (int)(Blit_Functions.half - 0.5f);
bool smooth = bc.Type(true) != BrushTypePixel.Inst;
if (smooth)
{
ihalf += 1;
}
Blit_Functions._alphaMode = Blit_Functions.SphereAlpha;
int sliceWidth = texWidth / volume.h_slices;
int hw = sliceWidth / 2;
int y = (int)pos.y;
int z = (int)(pos.z + hw);
int x = (int)(pos.x + hw);
for (Blit_Functions.y = -ihalf; Blit_Functions.y < ihalf + 1; Blit_Functions.y++)
{
int h = y + Blit_Functions.y;
if (h >= height)
{
return(true);
}
if (h >= 0)
{
int hy = h / volume.h_slices;
int hx = h % volume.h_slices;
int hTex_index = (hy * texWidth + hx) * sliceWidth;
for (Blit_Functions.z = -ihalf; Blit_Functions.z < ihalf + 1; Blit_Functions.z++)
{
int trueZ = z + Blit_Functions.z;
if (trueZ >= 0 && trueZ < sliceWidth)
{
int yTex_index = hTex_index + trueZ * texWidth;
for (Blit_Functions.x = -ihalf; Blit_Functions.x < ihalf + 1; Blit_Functions.x++)
{
if (Blit_Functions._alphaMode())
{
int trueX = x + Blit_Functions.x;
if (trueX >= 0 && trueX < sliceWidth)
{
int texIndex = yTex_index + trueX;
Blit_Functions._blitMode(ref pixels[texIndex]);
}
}
}
}
}
}
}
return(true);
}
return(false);
}
public bool PaintTexture2D(StrokeVector stroke, float brushAlpha, ImageData image, BrushConfig bc, PlaytimePainter pntr)
{
if (pntr.IsAtlased())
{
Vector2 uvCoords = stroke.uvFrom;
Vector2 AtlasedSection = GetAtlasedSection();
sectorSize = image.width / atlasRows;
atlasSector.From(AtlasedSection * sectorSize);
Blit_Functions.brAlpha = brushAlpha;
Blit_Functions.half = (bc.Size(false)) / 2;
int ihalf = Mathf.FloorToInt(Blit_Functions.half - 0.5f);
bool smooth = bc.Type(true) != BrushTypePixel.Inst;
if (smooth)
{
Blit_Functions._alphaMode = Blit_Functions.circleAlpha;
}
else
{
Blit_Functions._alphaMode = Blit_Functions.noAlpha;
}
Blit_Functions._blitMode = bc.BlitMode.BlitFunctionTex2D;
if (smooth)
{
ihalf += 1;
}
Blit_Functions.alpha = 1;
Blit_Functions.r = bc.mask.GetFlag(BrushMask.R);
Blit_Functions.g = bc.mask.GetFlag(BrushMask.G);
Blit_Functions.b = bc.mask.GetFlag(BrushMask.B);
Blit_Functions.a = bc.mask.GetFlag(BrushMask.A);
Blit_Functions.csrc = bc.colorLinear.ToGamma();
MyIntVec2 tmp = image.UvToPixelNumber(uvCoords);//new myIntVec2 (pixIndex);
int fromx = tmp.x - ihalf;
tmp.y -= ihalf;
var pixels = image.Pixels;
for (Blit_Functions.y = -ihalf; Blit_Functions.y < ihalf + 1; Blit_Functions.y++)
{
tmp.x = fromx;
for (Blit_Functions.x = -ihalf; Blit_Functions.x < ihalf + 1; Blit_Functions.x++)
{
if (Blit_Functions._alphaMode())
{
int sx = tmp.x - atlasSector.x;
int sy = tmp.y - atlasSector.y;
sx %= sectorSize;
if (sx < 0)
{
sx += sectorSize;
}
sy %= sectorSize;
if (sy < 0)
{
sy += sectorSize;
}
Blit_Functions._blitMode(ref pixels[((atlasSector.y + sy)) * image.width + (atlasSector.x + sx)]);
}
tmp.x += 1;
}
tmp.y += 1;
}
return(true);
}
return(false);
}
void Paint()
{
RaycastHit hit;
// bool anyHits = false;
//bool anyRecivers = false;
var texturesNeedUpdate = new List <ImageData>();
for (int i = 0; i < shoots; i++)
{
if (Physics.Raycast(new Ray(transform.position, transform.forward + transform.right * Random.Range(-spread, spread) + transform.up * Random.Range(-spread, spread)), out hit))
{
var recivers = hit.transform.GetComponentsInParent <PaintingReciever>();
PaintingReciever reciver = null;
// Debug.Log("Hit");
if (recivers.Length > 0)
{
var submesh = 0;
reciver = recivers[0];
// IF FEW SUBMESHES
if (hit.collider.GetType() == typeof(MeshCollider))
{
submesh = ((MeshCollider)hit.collider).sharedMesh.GetSubmeshNumber(hit.triangleIndex);
if (recivers.Length > 1)
{
var mats = reciver.Rendy.materials;
var material = mats[submesh % mats.Length];
reciver = null;
foreach (var r in recivers)
{
if (r.Material == material)
{
reciver = r;
break;
}
}
}
}
else
{
submesh = reciver.materialIndex;
}
// ACTUAL PAINTING
if (reciver != null)
{
var tex = reciver.GetTexture();
if (tex != null)
{
var rendTex = (reciver.texture.GetType() == typeof(RenderTexture)) ? (RenderTexture)reciver.texture : null;
// WORLD SPACE BRUSH
if (rendTex != null)
{
var st = new StrokeVector(hit.point)
{
unRepeatedUV = hit.collider.GetType() == typeof(MeshCollider) ?
(reciver.useTexcoord2 ? hit.textureCoord2 : hit.textureCoord).Floor() : reciver.meshUVoffset,
useTexcoord2 = reciver.useTexcoord2
};
if (reciver.type == PaintingReciever.RendererType.Skinned && reciver.skinnedMeshRenderer != null)
{
BrushTypeSphere.Paint(rendTex, reciver.gameObject, reciver.skinnedMeshRenderer, brush, st, submesh);
}
else if (reciver.type == PaintingReciever.RendererType.regular && reciver.meshFilter != null)
{
var mat = reciver.Material;
if (mat != null && mat.IsAtlased())
{
BrushTypeSphere.PaintAtlased(rendTex, reciver.gameObject,
reciver.originalMesh ? reciver.originalMesh : reciver.meshFilter.sharedMesh, brush, st, new List <int> {
submesh
}, (int)mat.GetFloat(PainterDataAndConfig.atlasedTexturesInARow));
}
else
{
BrushTypeSphere.Paint(rendTex, reciver.gameObject,
reciver.originalMesh ? reciver.originalMesh : reciver.meshFilter.sharedMesh, brush, st, new List <int> {
submesh
});
}
}
}
// TEXTURE SPACE BRUSH
else if (reciver.texture.GetType() == typeof(Texture2D))
{
if (hit.collider.GetType() != typeof(MeshCollider))
{
Debug.Log("Can't get UV coordinates from a Non-Mesh Collider");
}
Blit_Functions.Paint(reciver.useTexcoord2 ? hit.textureCoord2 : hit.textureCoord, 1, (Texture2D)reciver.texture, Vector2.zero, Vector2.one, brush, null);
var id = reciver.texture.GetImgData();
if (!texturesNeedUpdate.Contains(id))
{
texturesNeedUpdate.Add(id);
}
}
else
{
Debug.Log(reciver.gameObject.name + " doesn't have any combination of paintable things setup on his PainterReciver.");
}
}
}
}
}
}
foreach (var t in texturesNeedUpdate)
{
t.SetAndApply(true); // True for Mipmaps. Best to disable mipmaps on textures and set to false
}
//Not to waste performance, don't SetAndApply after each edit, but at the end of the frame (LateUpdate maybe) and only if texture was changed.
//Mip maps will slow things down, so best is to disable them.
// if (!anyHits) Debug.Log("No hits");
// else if (!anyRecivers) Debug.Log("Attach PaintingReciever script to objects you want to Paint on.");
}