public static List <TexturedMesh> MultiCombineTextures(List <TexturedMesh> Texturedmeshes)
{
List <TexturedMesh> output = new List <TexturedMesh>();
int maxwidth = 2048;
int maxheight = 2048;
List <TextureBlock> TextureBlocks = new List <TextureBlock>();
// add meshes to textureblocks
foreach (TexturedMesh item in Texturedmeshes)
{
bool placed = false;
foreach (TextureBlock tb in TextureBlocks)
{
if (tb.Texturename == item.TextureName)
{
tb.meshes.Add(item.mesh);
placed = true;
}
}
if (placed == false)
{
TextureBlocks.Add(new TextureBlock(item));
}
}
//sort textures by decreasing height
TextureBlocks = SortTextures(TextureBlocks);
// add textures to shelfs
List <Shelf> shelfs = new List <Shelf>();
shelfs.Add(new Shelf(maxwidth));
bool blockplaced = false;
foreach (TextureBlock texblock in TextureBlocks)
{
foreach (Shelf shelf in shelfs)
{
blockplaced = false;
blockplaced = shelf.AddTexture(texblock);
}
if (blockplaced == false)
{
Shelf shelf = new Shelf(maxwidth);
shelf.AddTexture(texblock);
shelfs.Add(shelf);
}
}
// combine shelfs into stacks of maxheight
bool finished = false;
List <Shelf> combinedShelfs;
List <int> shelfids;
while (finished == false)
{
combinedShelfs = new List <Shelf>();
shelfids = new List <int>();
int totalheight = 0;
for (int i = 0; i < shelfs.Count; i++)
{
if (totalheight + shelfs[i].height < maxheight)
{
combinedShelfs.Add(shelfs[i]);
shelfids.Add(i);
totalheight += shelfs[i].height;
}
}
shelfids.Reverse();
foreach (int item in shelfids)
{
shelfs.RemoveAt(item);
}
output.Add(createTexturedMesh(combinedShelfs));
if (shelfs.Count == 0)
{
finished = true;
}
}
return(output);
}
public static TexturedMesh CombineMeshes(List <TexturedMesh> Texturedmeshes)
{
double totalArea = 0;
double widest = 0;
double highest = 0;
foreach (TexturedMesh item in Texturedmeshes)
{
totalArea += item.texture.width * item.texture.height;
if (item.texture.width > widest)
{
widest = item.texture.width;
}
if (item.texture.height > highest)
{
highest = item.texture.height;
}
}
int size = GetMinimumSize(totalArea, widest, highest);
if (size == (int)totalArea)
{
Debug.Log("afbeeldingen te groot"); return(null);
}
List <TextureBlock> TextureBlocks = new List <TextureBlock>();
// add meshes to textureblocks
foreach (TexturedMesh item in Texturedmeshes)
{
bool placed = false;
foreach (TextureBlock tb in TextureBlocks)
{
if (tb.Texturename == item.TextureName)
{
tb.meshes.Add(item.mesh);
placed = true;
}
}
if (placed == false)
{
TextureBlocks.Add(new TextureBlock(item));
}
}
TextureBlocks = SortTextures(TextureBlocks);
List <Shelf> shelfs = new List <Shelf>();
shelfs.Add(new Shelf(size));
bool blockplaced = false;
foreach (TextureBlock texblock in TextureBlocks)
{
foreach (Shelf shelf in shelfs)
{
blockplaced = false;
blockplaced = shelf.AddTexture(texblock);
}
if (blockplaced == false)
{
Shelf shelf = new Shelf(size);
shelf.AddTexture(texblock);
shelfs.Add(shelf);
}
}
int totalheight = 0;
foreach (Shelf shelf in shelfs)
{
totalheight += shelf.height;
}
Texture2D TotaalTexture = new Texture2D(size, totalheight);
int baseheight = 0;
List <CombineInstance> submeshes = new List <CombineInstance>();
//create the combined texture
foreach (Shelf shelf in shelfs)
{
Color[] shelfpixels = shelf.ShelfTexture.GetPixels(0, 0, size, shelf.height, 0);
TotaalTexture.SetPixels(0, baseheight, size, shelf.height, shelfpixels, 0);
TotaalTexture.Apply(true);
shelf.baseheight = baseheight;
baseheight += shelf.height;
}
foreach (Shelf shelf in shelfs)
{
List <CombineInstance> shelfmeshes = shelf.ReturnMeshes(baseheight);
foreach (CombineInstance item in shelfmeshes)
{
submeshes.Add(item);
}
}
TexturedMesh output = new TexturedMesh();
Mesh totalMesh = new Mesh();
totalMesh.CombineMeshes(submeshes.ToArray(), true, false);
foreach (var meshHolder in submeshes)
{
Destroy(meshHolder.mesh);
}
output.mesh = totalMesh;
output.texture = TotaalTexture;
return(output);
}
