static void UpdateVertexCache(tk2dSpriteCollection gen, Atlas.AtlasData[] packers, tk2dSpriteCollectionData coll, List <SCGE.SpriteLut> spriteLuts)
{
float scale = 2.0f * gen.targetOrthoSize / gen.targetHeight;
int padAmount = GetPadAmount(gen);
for (int i = 0; i < sourceTextures.Length; ++i)
{
SCGE.SpriteLut _lut = null;
for (int j = 0; j < spriteLuts.Count; ++j)
{
if (spriteLuts[j].source == i)
{
_lut = spriteLuts[j];
break;
}
}
tk2dSpriteCollectionDefinition thisTexParam = gen.textureParams[i];
Atlas.AtlasData packer = null;
Atlas.AtlasEntry atlasEntry = null;
int atlasIndex = 0;
foreach (var p in packers)
{
if ((atlasEntry = p.FindEntryWithIndex(_lut.atlasIndex)) != null)
{
packer = p;
break;
}
++atlasIndex;
}
float fwidth = packer.width;
float fheight = packer.height;
int tx = atlasEntry.x + padAmount, ty = atlasEntry.y + padAmount, tw = atlasEntry.w - padAmount * 2, th = atlasEntry.h - padAmount * 2;
int sd_y = packer.height - ty - th;
float uvOffsetX = 0.001f / fwidth;
float uvOffsetY = 0.001f / fheight;
Vector2 v0 = new Vector2(tx / fwidth + uvOffsetX, 1.0f - (sd_y + th) / fheight + uvOffsetY);
Vector2 v1 = new Vector2((tx + tw) / fwidth - uvOffsetX, 1.0f - sd_y / fheight - uvOffsetY);
Mesh mesh = null;
Transform meshTransform = null;
GameObject instantiated = null;
if (thisTexParam.overrideMesh)
{
// Disabled
instantiated = GameObject.Instantiate(thisTexParam.overrideMesh) as GameObject;
MeshFilter meshFilter = instantiated.GetComponentInChildren <MeshFilter>();
if (meshFilter == null)
{
Debug.LogError("Unable to find mesh");
GameObject.DestroyImmediate(instantiated);
}
else
{
mesh = meshFilter.sharedMesh;
meshTransform = meshFilter.gameObject.transform;
}
}
if (mesh)
{
coll.spriteDefinitions[i].positions = new Vector3[mesh.vertices.Length];
coll.spriteDefinitions[i].uvs = new Vector2[mesh.vertices.Length];
for (int j = 0; j < mesh.vertices.Length; ++j)
{
coll.spriteDefinitions[i].positions[j] = meshTransform.TransformPoint(mesh.vertices[j]);
coll.spriteDefinitions[i].uvs[j] = new Vector2(v0.x + (v1.x - v0.x) * mesh.uv[j].x, v0.y + (v1.y - v0.y) * mesh.uv[j].y);
}
coll.spriteDefinitions[i].indices = new int[mesh.triangles.Length];
for (int j = 0; j < mesh.triangles.Length; ++j)
{
coll.spriteDefinitions[i].indices[j] = mesh.triangles[j];
}
coll.spriteDefinitions[i].material = gen.atlasMaterials[atlasIndex];
GameObject.DestroyImmediate(instantiated);
}
else
{
Texture2D thisTextureRef = sourceTextures[i];
float texHeight = thisTextureRef?thisTextureRef.height:2;
float texWidth = thisTextureRef?thisTextureRef.width:2;
float h = thisTextureRef?thisTextureRef.height:64;
float w = thisTextureRef?thisTextureRef.width:64;
h *= thisTexParam.scale.x;
w *= thisTexParam.scale.y;
float scaleX = w * scale;
float scaleY = h * scale;
Vector3 pos0 = new Vector3(-0.5f * scaleX, 0, -0.5f * scaleY);
switch (thisTexParam.anchor)
{
case tk2dSpriteCollectionDefinition.Anchor.LowerLeft: pos0 = new Vector3(0, 0, 0); break;
case tk2dSpriteCollectionDefinition.Anchor.LowerCenter: pos0 = new Vector3(-0.5f * scaleX, 0, 0); break;
case tk2dSpriteCollectionDefinition.Anchor.LowerRight: pos0 = new Vector3(-scaleX, 0, 0); break;
case tk2dSpriteCollectionDefinition.Anchor.MiddleLeft: pos0 = new Vector3(0, 0, -0.5f * scaleY); break;
case tk2dSpriteCollectionDefinition.Anchor.MiddleCenter: pos0 = new Vector3(-0.5f * scaleX, 0, -0.5f * scaleY); break;
case tk2dSpriteCollectionDefinition.Anchor.MiddleRight: pos0 = new Vector3(-scaleX, 0, -0.5f * scaleY); break;
case tk2dSpriteCollectionDefinition.Anchor.UpperLeft: pos0 = new Vector3(0, 0, -scaleY); break;
case tk2dSpriteCollectionDefinition.Anchor.UpperCenter: pos0 = new Vector3(-0.5f * scaleX, 0, -scaleY); break;
case tk2dSpriteCollectionDefinition.Anchor.UpperRight: pos0 = new Vector3(-scaleX, 0, -scaleY); break;
case tk2dSpriteCollectionDefinition.Anchor.Custom:
{
pos0 = new Vector3(-thisTexParam.anchorX * thisTexParam.scale.x * scale, 0, -(h - thisTexParam.anchorY * thisTexParam.scale.y) * scale);
}
break;
}
Vector3 pos1 = pos0 + new Vector3(scaleX, 0, scaleY);
List <Vector3> positions = new List <Vector3>();
List <Vector2> uvs = new List <Vector2>();
// build mesh
if (_lut.isSplit)
{
for (int j = 0; j < spriteLuts.Count; ++j)
{
if (spriteLuts[j].source == i)
{
_lut = spriteLuts[j];
int thisAtlasIndex = 0;
foreach (var p in packers)
{
if ((atlasEntry = p.FindEntryWithIndex(_lut.atlasIndex)) != null)
{
packer = p;
break;
}
++thisAtlasIndex;
}
if (thisAtlasIndex != atlasIndex)
{
// This is a serious problem, dicing is not supported when multi atlas output is selected
Debug.Break();
}
fwidth = packer.width;
fheight = packer.height;
tx = atlasEntry.x + padAmount;
ty = atlasEntry.y + padAmount;
tw = atlasEntry.w - padAmount * 2;
th = atlasEntry.h - padAmount * 2;
sd_y = packer.height - ty - th;
v0 = new Vector2(tx / fwidth + uvOffsetX, 1.0f - (sd_y + th) / fheight + uvOffsetY);
v1 = new Vector2((tx + tw) / fwidth - uvOffsetX, 1.0f - sd_y / fheight - uvOffsetY);
float x0 = _lut.rx / texWidth;
float y0 = _lut.ry / texHeight;
float x1 = (_lut.rx + _lut.rw) / texWidth;
float y1 = (_lut.ry + _lut.rh) / texHeight;
Vector3 dpos0 = new Vector3(Mathf.Lerp(pos0.x, pos1.x, x0), 0.0f, Mathf.Lerp(pos0.z, pos1.z, y0));
Vector3 dpos1 = new Vector3(Mathf.Lerp(pos0.x, pos1.x, x1), 0.0f, Mathf.Lerp(pos0.z, pos1.z, y1));
positions.Add(new Vector3(dpos0.x, dpos0.z, 0));
positions.Add(new Vector3(dpos1.x, dpos0.z, 0));
positions.Add(new Vector3(dpos0.x, dpos1.z, 0));
positions.Add(new Vector3(dpos1.x, dpos1.z, 0));
if (atlasEntry.flipped)
{
uvs.Add(new Vector2(v0.x, v0.y));
uvs.Add(new Vector2(v0.x, v1.y));
uvs.Add(new Vector2(v1.x, v0.y));
uvs.Add(new Vector2(v1.x, v1.y));
}
else
{
uvs.Add(new Vector2(v0.x, v0.y));
uvs.Add(new Vector2(v1.x, v0.y));
uvs.Add(new Vector2(v0.x, v1.y));
uvs.Add(new Vector2(v1.x, v1.y));
}
}
}
}
else
{
float x0 = _lut.rx / texWidth;
float y0 = _lut.ry / texHeight;
float x1 = (_lut.rx + _lut.rw) / texWidth;
float y1 = (_lut.ry + _lut.rh) / texHeight;
Vector3 dpos0 = new Vector3(Mathf.Lerp(pos0.x, pos1.x, x0), 0.0f, Mathf.Lerp(pos0.z, pos1.z, y0));
Vector3 dpos1 = new Vector3(Mathf.Lerp(pos0.x, pos1.x, x1), 0.0f, Mathf.Lerp(pos0.z, pos1.z, y1));
positions.Add(new Vector3(dpos0.x, dpos0.z, 0));
positions.Add(new Vector3(dpos1.x, dpos0.z, 0));
positions.Add(new Vector3(dpos0.x, dpos1.z, 0));
positions.Add(new Vector3(dpos1.x, dpos1.z, 0));
if (atlasEntry.flipped)
{
uvs.Add(new Vector2(v0.x, v0.y));
uvs.Add(new Vector2(v0.x, v1.y));
uvs.Add(new Vector2(v1.x, v0.y));
uvs.Add(new Vector2(v1.x, v1.y));
}
else
{
uvs.Add(new Vector2(v0.x, v0.y));
uvs.Add(new Vector2(v1.x, v0.y));
uvs.Add(new Vector2(v0.x, v1.y));
uvs.Add(new Vector2(v1.x, v1.y));
}
}
// build sprite definition
coll.spriteDefinitions[i].indices = new int[6 * (positions.Count / 4)];
for (int j = 0; j < positions.Count / 4; ++j)
{
coll.spriteDefinitions[i].indices[j * 6 + 0] = j * 4 + 0;
coll.spriteDefinitions[i].indices[j * 6 + 1] = j * 4 + 3;
coll.spriteDefinitions[i].indices[j * 6 + 2] = j * 4 + 1;
coll.spriteDefinitions[i].indices[j * 6 + 3] = j * 4 + 2;
coll.spriteDefinitions[i].indices[j * 6 + 4] = j * 4 + 3;
coll.spriteDefinitions[i].indices[j * 6 + 5] = j * 4 + 0;
}
coll.spriteDefinitions[i].positions = new Vector3[positions.Count];
coll.spriteDefinitions[i].uvs = new Vector2[uvs.Count];
for (int j = 0; j < positions.Count; ++j)
{
coll.spriteDefinitions[i].positions[j] = positions[j];
coll.spriteDefinitions[i].uvs[j] = uvs[j];
}
coll.spriteDefinitions[i].material = gen.atlasMaterials[atlasIndex];
}
Vector3 boundsMin = new Vector3(1.0e32f, 1.0e32f, 1.0e32f);
Vector3 boundsMax = new Vector3(-1.0e32f, -1.0e32f, -1.0e32f);
foreach (Vector3 v in coll.spriteDefinitions[i].positions)
{
boundsMin = Vector3.Min(boundsMin, v);
boundsMax = Vector3.Max(boundsMax, v);
}
coll.spriteDefinitions[i].boundsData = new Vector3[2];
coll.spriteDefinitions[i].boundsData[0] = (boundsMax + boundsMin) / 2.0f;
coll.spriteDefinitions[i].boundsData[1] = (boundsMax - boundsMin);
coll.spriteDefinitions[i].name = gen.textureParams[i].name;
}
}
static Texture2D ProcessTexture(bool premultipliedAlpha, bool additive, bool stretchPad, Texture2D srcTex, int sx, int sy, int tw, int th, ref SCGE.SpriteLut spriteLut, int padAmount)
{
// Can't have additive without premultiplied alpha
if (!premultipliedAlpha)
{
additive = false;
}
int[] ww = new int[tw];
int[] hh = new int[th];
for (int x = 0; x < tw; ++x)
{
ww[x] = 0;
}
for (int y = 0; y < th; ++y)
{
hh[y] = 0;
}
int numNotTransparent = 0;
for (int x = 0; x < tw; ++x)
{
for (int y = 0; y < th; ++y)
{
Color col = srcTex.GetPixel(sx + x, sy + y);
if (col.a > 0)
{
ww[x] = 1;
hh[y] = 1;
numNotTransparent++;
}
}
}
if (numNotTransparent > 0)
{
int x0 = 0, x1 = 0, y0 = 0, y1 = 0;
for (int x = 0; x < tw; ++x)
{
if (ww[x] == 1)
{
x0 = x; break;
}
}
for (int x = tw - 1; x >= 0; --x)
{
if (ww[x] == 1)
{
x1 = x; break;
}
}
for (int y = 0; y < th; ++y)
{
if (hh[y] == 1)
{
y0 = y; break;
}
}
for (int y = th - 1; y >= 0; --y)
{
if (hh[y] == 1)
{
y1 = y; break;
}
}
int w1 = x1 - x0 + 1;
int h1 = y1 - y0 + 1;
Texture2D dtex = new Texture2D(w1 + padAmount * 2, h1 + padAmount * 2);
for (int x = 0; x < w1; ++x)
{
for (int y = 0; y < h1; ++y)
{
Color col = srcTex.GetPixel(sx + x0 + x, sy + y0 + y);
dtex.SetPixel(x + padAmount, y + padAmount, col);
}
}
PadTexture(dtex, padAmount, stretchPad);
if (premultipliedAlpha)
{
for (int x = 0; x < dtex.width; ++x)
{
for (int y = 0; y < dtex.height; ++y)
{
Color col = dtex.GetPixel(x, y);
col.r *= col.a; col.g *= col.a; col.b *= col.a;
col.a = additive?0.0f:col.a;
dtex.SetPixel(x, y, col);
}
}
}
dtex.Apply();
spriteLut.rx = sx + x0;
spriteLut.ry = sy + y0;
spriteLut.rw = w1;
spriteLut.rh = h1;
spriteLut.tex = dtex;
return(dtex);
}
else
{
return(null);
}
}
public static void Rebuild(tk2dSpriteCollection gen)
{
// avoid "recursive" build being triggered by texture watcher
if (currentBuild == gen)
{
return;
}
currentBuild = gen;
string path = AssetDatabase.GetAssetPath(gen);
string subDirName = Path.GetDirectoryName(path.Substring(7));
if (subDirName.Length > 0)
{
subDirName += "/";
}
string dataDirFullPath = Application.dataPath + "/" + subDirName + Path.GetFileNameWithoutExtension(path) + "_Data";
string dataDirName = "Assets/" + dataDirFullPath.Substring(Application.dataPath.Length + 1) + "/";
if (gen.atlasTextures == null || gen.atlasTextures.Length == 0 ||
gen.atlasMaterials == null || gen.atlasMaterials.Length == 0 ||
gen.spriteCollection == null)
{
if (!Directory.Exists(dataDirFullPath))
{
Directory.CreateDirectory(dataDirFullPath);
}
AssetDatabase.Refresh();
}
string prefabObjectPath = gen.spriteCollection?AssetDatabase.GetAssetPath(gen.spriteCollection):(dataDirName + "data.prefab");
if (!CheckAndFixUpParams(gen))
{
// Params failed check
return;
}
SetUpSourceTextureFormats(gen);
SetUpSpriteSheets(gen);
TrimTextureList(gen);
// blank texture used when texture has been deleted
Texture2D blankTexture = new Texture2D(2, 2);
blankTexture.SetPixel(0, 0, Color.magenta);
blankTexture.SetPixel(0, 1, Color.yellow);
blankTexture.SetPixel(1, 0, Color.cyan);
blankTexture.SetPixel(1, 1, Color.grey);
blankTexture.Apply();
// make local texture sources
sourceTextures = new Texture2D[gen.textureRefs.Length];
for (int i = 0; i < gen.textureParams.Length; ++i)
{
var param = gen.textureParams[i];
if (param.extractRegion && gen.textureRefs[i] != null)
{
Texture2D localTex = new Texture2D(param.regionW, param.regionH);
for (int y = 0; y < param.regionH; ++y)
{
for (int x = 0; x < param.regionW; ++x)
{
localTex.SetPixel(x, y, gen.textureRefs[i].GetPixel(param.regionX + x, param.regionY + y));
}
}
localTex.name = gen.textureRefs[i].name + "/" + param.regionId.ToString();
localTex.Apply();
sourceTextures[i] = localTex;
}
else
{
sourceTextures[i] = gen.textureRefs[i];
}
}
// catalog all textures to atlas
int numTexturesToAtlas = 0;
List <SCGE.SpriteLut> spriteLuts = new List <SCGE.SpriteLut>();
for (int i = 0; i < gen.textureParams.Length; ++i)
{
Texture2D currentTexture = sourceTextures[i];
if (sourceTextures[i] == null)
{
gen.textureParams[i].dice = false;
gen.textureParams[i].anchor = tk2dSpriteCollectionDefinition.Anchor.MiddleCenter;
gen.textureParams[i].name = "";
gen.textureParams[i].extractRegion = false;
gen.textureParams[i].fromSpriteSheet = false;
currentTexture = blankTexture;
}
else
{
if (gen.textureParams[i].name == null || gen.textureParams[i].name == "" || gen.textureParams[i].texture != currentTexture)
{
gen.textureParams[i].name = currentTexture.name;
}
}
gen.textureParams[i].texture = currentTexture;
if (gen.textureParams[i].dice)
{
// prepare to dice this up
int diceUnitX = gen.textureParams[i].diceUnitX;
int diceUnitY = gen.textureParams[i].diceUnitY;
if (diceUnitX <= 0)
{
diceUnitX = 128; // something sensible, please
}
if (diceUnitY <= 0)
{
diceUnitY = diceUnitX; // make square if not set
}
Texture2D srcTex = currentTexture;
for (int sx = 0; sx < srcTex.width; sx += diceUnitX)
{
for (int sy = 0; sy < srcTex.height; sy += diceUnitY)
{
int tw = Mathf.Min(diceUnitX, srcTex.width - sx);
int th = Mathf.Min(diceUnitY, srcTex.height - sy);
SCGE.SpriteLut diceLut = new SCGE.SpriteLut();
diceLut.source = i;
diceLut.isSplit = true;
diceLut.sourceTex = srcTex;
diceLut.isDuplicate = false; // duplicate diced textures can be chopped up differently, so don't detect dupes here
Texture2D dest = ProcessTexture(gen.premultipliedAlpha, gen.textureParams[i].additive, true, srcTex, sx, sy, tw, th, ref diceLut, GetPadAmount(gen));
if (dest)
{
diceLut.atlasIndex = numTexturesToAtlas++;
spriteLuts.Add(diceLut);
}
}
}
}
else
{
SCGE.SpriteLut lut = new SCGE.SpriteLut();
lut.sourceTex = currentTexture;
lut.source = i;
lut.isSplit = false;
lut.isDuplicate = false;
for (int j = 0; j < spriteLuts.Count; ++j)
{
if (spriteLuts[j].sourceTex == lut.sourceTex)
{
lut.isDuplicate = true;
lut.atlasIndex = spriteLuts[j].atlasIndex;
lut.tex = spriteLuts[j].tex; // get old processed tex
lut.rx = spriteLuts[j].rx; lut.ry = spriteLuts[j].ry;
lut.rw = spriteLuts[j].rw; lut.rh = spriteLuts[j].rh;
break;
}
}
if (!lut.isDuplicate)
{
lut.atlasIndex = numTexturesToAtlas++;
bool stretchPad = false;
if (gen.textureParams[i].pad == tk2dSpriteCollectionDefinition.Pad.Extend)
{
stretchPad = true;
}
Texture2D dest = ProcessTexture(gen.premultipliedAlpha, gen.textureParams[i].additive, stretchPad, currentTexture, 0, 0, currentTexture.width, currentTexture.height, ref lut, GetPadAmount(gen));
if (dest == null)
{
// fall back to a tiny blank texture
lut.tex = new Texture2D(1, 1);
lut.tex.SetPixel(0, 0, new Color(0, 0, 0, 0));
PadTexture(lut.tex, GetPadAmount(gen), stretchPad);
lut.tex.Apply();
lut.rx = currentTexture.width / 2; lut.ry = currentTexture.height / 2;
lut.rw = 1; lut.rh = 1;
}
}
spriteLuts.Add(lut);
}
}
// Create texture
Texture2D[] textureList = new Texture2D[numTexturesToAtlas];
int titer = 0;
for (int i = 0; i < spriteLuts.Count; ++i)
{
SCGE.SpriteLut _lut = spriteLuts[i];
if (!_lut.isDuplicate)
{
textureList[titer++] = _lut.tex;
}
}
// Build atlas
Atlas.AtlasBuilder atlasBuilder = new Atlas.AtlasBuilder(gen.maxTextureSize, gen.maxTextureSize, gen.allowMultipleAtlases?64:1);
if (textureList.Length > 0)
{
foreach (Texture2D currTexture in textureList)
{
atlasBuilder.AddRect(currTexture.width, currTexture.height);
}
if (atlasBuilder.Build() != 0)
{
if (atlasBuilder.HasOversizeTextures())
{
EditorUtility.DisplayDialog("Unable to fit in atlas",
"You have a texture which exceeds the atlas size." +
"Consider putting it in a separate atlas, enabling dicing, or" +
"reducing the texture size",
"Ok");
}
else
{
EditorUtility.DisplayDialog("Unable to fit textures in requested atlas area",
"There are too many textures in this collection for the requested " +
"atlas size.",
"Ok");
}
return;
}
}
// Fill atlas textures
Atlas.AtlasData[] atlasData = atlasBuilder.GetAtlasData();
System.Array.Resize(ref gen.atlasTextures, atlasData.Length);
System.Array.Resize(ref gen.atlasMaterials, atlasData.Length);
for (int atlasIndex = 0; atlasIndex < atlasData.Length; ++atlasIndex)
{
Texture2D tex = new Texture2D(64, 64, TextureFormat.ARGB32, false);
gen.atlasWastage = (1.0f - atlasData[0].occupancy) * 100.0f;
gen.atlasWidth = atlasData[0].width;
gen.atlasHeight = atlasData[0].height;
tex.Resize(atlasData[atlasIndex].width, atlasData[atlasIndex].height);
// Clear texture, unsure if this is REALLY necessary
for (int yy = 0; yy < tex.height; ++yy)
{
for (int xx = 0; xx < tex.width; ++xx)
{
tex.SetPixel(xx, yy, Color.black);
}
}
for (int i = 0; i < atlasData[atlasIndex].entries.Length; ++i)
{
var entry = atlasData[atlasIndex].entries[i];
Texture2D source = textureList[entry.index];
if (!entry.flipped)
{
for (int y = 0; y < source.height; ++y)
{
for (int x = 0; x < source.width; ++x)
{
tex.SetPixel(entry.x + x, entry.y + y, source.GetPixel(x, y));
}
}
}
else
{
for (int y = 0; y < source.height; ++y)
{
for (int x = 0; x < source.width; ++x)
{
tex.SetPixel(entry.x + y, entry.y + x, source.GetPixel(x, y));
}
}
}
}
tex.Apply();
string texturePath = gen.atlasTextures[atlasIndex]?AssetDatabase.GetAssetPath(gen.atlasTextures[atlasIndex]):(dataDirName + "atlas" + atlasIndex + ".png");
// Write filled atlas to disk
byte[] bytes = tex.EncodeToPNG();
System.IO.FileStream fs = System.IO.File.Create(texturePath);
fs.Write(bytes, 0, bytes.Length);
fs.Close();
AssetDatabase.SaveAssets();
AssetDatabase.Refresh();
tex = AssetDatabase.LoadAssetAtPath(texturePath, typeof(Texture2D)) as Texture2D;
gen.atlasTextures[atlasIndex] = tex;
// Make sure texture is set up with the correct max size and compression type
SetUpTargetTexture(gen, tex);
// Create material if necessary
if (gen.atlasMaterials[atlasIndex] == null)
{
Material mat;
if (gen.premultipliedAlpha)
{
mat = new Material(Shader.Find("tk2d/PremulVertexColor"));
}
else
{
mat = new Material(Shader.Find("tk2d/BlendVertexColor"));
}
mat.mainTexture = tex;
string materialPath = gen.atlasMaterials[atlasIndex]?AssetDatabase.GetAssetPath(gen.atlasMaterials[atlasIndex]):(dataDirName + "atlas" + atlasIndex + "_material.mat");
AssetDatabase.CreateAsset(mat, materialPath);
AssetDatabase.SaveAssets();
gen.atlasMaterials[atlasIndex] = AssetDatabase.LoadAssetAtPath(materialPath, typeof(Material)) as Material;
}
}
// Create prefab
if (gen.spriteCollection == null)
{
Object p = EditorUtility.CreateEmptyPrefab(prefabObjectPath);
GameObject go = new GameObject();
go.AddComponent <tk2dSpriteCollectionData>();
EditorUtility.ReplacePrefab(go, p);
GameObject.DestroyImmediate(go);
AssetDatabase.SaveAssets();
gen.spriteCollection = AssetDatabase.LoadAssetAtPath(prefabObjectPath, typeof(tk2dSpriteCollectionData)) as tk2dSpriteCollectionData;
}
tk2dSpriteCollectionData coll = gen.spriteCollection;
coll.textures = new Texture[gen.atlasTextures.Length];
coll.materials = new Material[gen.atlasMaterials.Length];
for (int i = 0; i < gen.atlasTextures.Length; ++i)
{
coll.textures[i] = gen.atlasTextures[i];
}
for (int i = 0; i < gen.atlasMaterials.Length; ++i)
{
coll.materials[i] = gen.atlasMaterials[i];
}
// Wipe out legacy data
coll.material = null;
coll.premultipliedAlpha = gen.premultipliedAlpha;
coll.spriteDefinitions = new tk2dSpriteDefinition[gen.textureParams.Length];
coll.version = tk2dSpriteCollectionData.CURRENT_VERSION;
coll.spriteCollectionGUID = AssetDatabase.AssetPathToGUID(AssetDatabase.GetAssetPath(gen));
coll.spriteCollectionName = gen.name;
for (int i = 0; i < coll.spriteDefinitions.Length; ++i)
{
coll.spriteDefinitions[i] = new tk2dSpriteDefinition();
if (gen.textureRefs[i])
{
string assetPath = AssetDatabase.GetAssetPath(gen.textureRefs[i]);
string guid = AssetDatabase.AssetPathToGUID(assetPath);
coll.spriteDefinitions[i].sourceTextureGUID = guid;
}
else
{
coll.spriteDefinitions[i].sourceTextureGUID = "";
}
coll.spriteDefinitions[i].extractRegion = gen.textureParams[i].extractRegion;
coll.spriteDefinitions[i].regionX = gen.textureParams[i].regionX;
coll.spriteDefinitions[i].regionY = gen.textureParams[i].regionY;
coll.spriteDefinitions[i].regionW = gen.textureParams[i].regionW;
coll.spriteDefinitions[i].regionH = gen.textureParams[i].regionH;
}
coll.allowMultipleAtlases = gen.allowMultipleAtlases;
UpdateVertexCache(gen, atlasData, coll, spriteLuts);
// refresh existing
tk2dSprite[] sprs = Resources.FindObjectsOfTypeAll(typeof(tk2dSprite)) as tk2dSprite[];
foreach (tk2dSprite spr in sprs)
{
if (spr.collection == gen.spriteCollection)
{
if (spr.spriteId < 0 || spr.spriteId >= spr.collection.spriteDefinitions.Length)
{
spr.spriteId = 0;
}
spr.Build();
}
}
tk2dStaticSpriteBatcher[] batchedSprs = Resources.FindObjectsOfTypeAll(typeof(tk2dStaticSpriteBatcher)) as tk2dStaticSpriteBatcher[];
foreach (var spr in batchedSprs)
{
if (spr.spriteCollection == gen.spriteCollection)
{
spr.Build();
}
}
// save changes
EditorUtility.SetDirty(gen.spriteCollection);
EditorUtility.SetDirty(gen);
AssetDatabase.SaveAssets();
AssetDatabase.Refresh();
sourceTextures = null; // need to clear, its static
currentBuild = null;
tk2dEditorUtility.GetOrCreateIndex().AddSpriteCollectionData(gen.spriteCollection);
tk2dEditorUtility.CommitIndex();
}
public static bool Rebuild(tk2dSpriteCollection gen)
{
// avoid "recursive" build being triggered by texture watcher
if (currentBuild == gen)
return false;
currentBuild = gen;
string path = AssetDatabase.GetAssetPath(gen);
string subDirName = Path.GetDirectoryName( path.Substring(7) );
if (subDirName.Length > 0) subDirName += "/";
string dataDirFullPath = Application.dataPath + "/" + subDirName + Path.GetFileNameWithoutExtension(path) + "_Data";
string dataDirName = "Assets/" + dataDirFullPath.Substring( Application.dataPath.Length + 1 ) + "/";
if (gen.atlasTextures == null || gen.atlasTextures.Length == 0 ||
gen.atlasMaterials == null || gen.atlasMaterials.Length == 0 ||
gen.spriteCollection == null)
{
if (!Directory.Exists(dataDirFullPath)) Directory.CreateDirectory(dataDirFullPath);
AssetDatabase.Refresh();
}
string prefabObjectPath = gen.spriteCollection?AssetDatabase.GetAssetPath(gen.spriteCollection):(dataDirName + "data.prefab");
if (!CheckAndFixUpParams(gen))
{
// Params failed check
return false;
}
SetUpSourceTextureFormats(gen);
SetUpSpriteSheets(gen);
TrimTextureList(gen);
// blank texture used when texture has been deleted
Texture2D blankTexture = new Texture2D(2, 2);
blankTexture.SetPixel(0, 0, Color.magenta);
blankTexture.SetPixel(0, 1, Color.yellow);
blankTexture.SetPixel(1, 0, Color.cyan);
blankTexture.SetPixel(1, 1, Color.grey);
blankTexture.Apply();
// make local texture sources
sourceTextures = new Texture2D[gen.textureRefs.Length];
for (int i = 0; i < gen.textureParams.Length; ++i)
{
var param = gen.textureParams[i];
if (param.extractRegion && gen.textureRefs[i] != null)
{
Texture2D localTex = new Texture2D(param.regionW, param.regionH);
for (int y = 0; y < param.regionH; ++y)
{
for (int x = 0; x < param.regionW; ++x)
{
localTex.SetPixel(x, y, gen.textureRefs[i].GetPixel(param.regionX + x, param.regionY + y));
}
}
localTex.name = gen.textureRefs[i].name + "/" + param.regionId.ToString();
localTex.Apply();
sourceTextures[i] = localTex;
}
else
{
sourceTextures[i] = gen.textureRefs[i];
}
}
// catalog all textures to atlas
int numTexturesToAtlas = 0;
List<SCGE.SpriteLut> spriteLuts = new List<SCGE.SpriteLut>();
for (int i = 0; i < gen.textureParams.Length; ++i)
{
Texture2D currentTexture = sourceTextures[i];
if (sourceTextures[i] == null)
{
gen.textureParams[i].dice = false;
gen.textureParams[i].anchor = tk2dSpriteCollectionDefinition.Anchor.MiddleCenter;
gen.textureParams[i].name = "";
gen.textureParams[i].extractRegion = false;
gen.textureParams[i].fromSpriteSheet = false;
currentTexture = blankTexture;
}
else
{
if (gen.textureParams[i].name == null || gen.textureParams[i].name == "" || gen.textureParams[i].texture != currentTexture)
gen.textureParams[i].name = currentTexture.name;
}
gen.textureParams[i].texture = currentTexture;
if (gen.textureParams[i].dice)
{
// prepare to dice this up
int diceUnitX = gen.textureParams[i].diceUnitX;
int diceUnitY = gen.textureParams[i].diceUnitY;
if (diceUnitX <= 0) diceUnitX = 128; // something sensible, please
if (diceUnitY <= 0) diceUnitY = diceUnitX; // make square if not set
Texture2D srcTex = currentTexture;
for (int sx = 0; sx < srcTex.width; sx += diceUnitX)
{
for (int sy = 0; sy < srcTex.height; sy += diceUnitY)
{
int tw = Mathf.Min(diceUnitX, srcTex.width - sx);
int th = Mathf.Min(diceUnitY, srcTex.height - sy);
SCGE.SpriteLut diceLut = new SCGE.SpriteLut();
diceLut.source = i;
diceLut.isSplit = true;
diceLut.sourceTex = srcTex;
diceLut.isDuplicate = false; // duplicate diced textures can be chopped up differently, so don't detect dupes here
Texture2D dest = ProcessTexture(gen.premultipliedAlpha, gen.textureParams[i].additive, true, srcTex, sx, sy, tw, th, ref diceLut, GetPadAmount(gen));
if (dest)
{
diceLut.atlasIndex = numTexturesToAtlas++;
spriteLuts.Add(diceLut);
}
}
}
}
else
{
SCGE.SpriteLut lut = new SCGE.SpriteLut();
lut.sourceTex = currentTexture;
lut.source = i;
lut.isSplit = false;
lut.isDuplicate = false;
for (int j = 0; j < spriteLuts.Count; ++j)
{
if (spriteLuts[j].sourceTex == lut.sourceTex)
{
lut.isDuplicate = true;
lut.atlasIndex = spriteLuts[j].atlasIndex;
lut.tex = spriteLuts[j].tex; // get old processed tex
lut.rx = spriteLuts[j].rx; lut.ry = spriteLuts[j].ry;
lut.rw = spriteLuts[j].rw; lut.rh = spriteLuts[j].rh;
break;
}
}
if (!lut.isDuplicate)
{
lut.atlasIndex = numTexturesToAtlas++;
bool stretchPad = false;
if (gen.textureParams[i].pad == tk2dSpriteCollectionDefinition.Pad.Extend) stretchPad = true;
Texture2D dest = ProcessTexture(gen.premultipliedAlpha, gen.textureParams[i].additive, stretchPad, currentTexture, 0, 0, currentTexture.width, currentTexture.height, ref lut, GetPadAmount(gen));
if (dest == null)
{
// fall back to a tiny blank texture
lut.tex = new Texture2D(1, 1);
lut.tex.SetPixel(0, 0, new Color( 0, 0, 0, 0 ));
PadTexture(lut.tex, GetPadAmount(gen), stretchPad);
lut.tex.Apply();
lut.rx = currentTexture.width / 2; lut.ry = currentTexture.height / 2;
lut.rw = 1; lut.rh = 1;
}
}
spriteLuts.Add(lut);
}
}
// Create texture
Texture2D[] textureList = new Texture2D[numTexturesToAtlas];
int titer = 0;
for (int i = 0; i < spriteLuts.Count; ++i)
{
SCGE.SpriteLut _lut = spriteLuts[i];
if (!_lut.isDuplicate)
{
textureList[titer++] = _lut.tex;
}
}
// Build atlas
tk2dAtlas.AtlasBuilder atlasBuilder = new tk2dAtlas.AtlasBuilder(gen.maxTextureSize, gen.maxTextureSize, gen.allowMultipleAtlases?64:1);
if (textureList.Length > 0)
{
foreach (Texture2D currTexture in textureList)
{
atlasBuilder.AddRect(currTexture.width, currTexture.height);
}
if (atlasBuilder.Build() != 0)
{
if (atlasBuilder.HasOversizeTextures())
{
EditorUtility.DisplayDialog("Unable to fit in atlas",
"You have a texture which exceeds the atlas size." +
"Consider putting it in a separate atlas, enabling dicing, or" +
"reducing the texture size",
"Ok");
}
else
{
EditorUtility.DisplayDialog("Unable to fit textures in requested atlas area",
"There are too many textures in this collection for the requested " +
"atlas size.",
"Ok");
}
return false;
}
}
// Fill atlas textures
tk2dAtlas.AtlasData[] atlasData = atlasBuilder.GetAtlasData();
System.Array.Resize(ref gen.atlasTextures, atlasData.Length);
System.Array.Resize(ref gen.atlasMaterials, atlasData.Length);
for (int atlasIndex = 0; atlasIndex < atlasData.Length; ++atlasIndex)
{
Texture2D tex = new Texture2D(64, 64, TextureFormat.ARGB32, false);
gen.atlasWastage = (1.0f - atlasData[0].occupancy) * 100.0f;
gen.atlasWidth = atlasData[0].width;
gen.atlasHeight = atlasData[0].height;
tex.Resize(atlasData[atlasIndex].width, atlasData[atlasIndex].height);
// Clear texture, unsure if this is REALLY necessary
// Turns out it is
for (int yy = 0; yy < tex.height; ++yy)
{
for (int xx = 0; xx < tex.width; ++xx)
{
tex.SetPixel(xx, yy, Color.clear);
}
}
for (int i = 0; i < atlasData[atlasIndex].entries.Length; ++i)
{
var entry = atlasData[atlasIndex].entries[i];
Texture2D source = textureList[entry.index];
if (!entry.flipped)
{
for (int y = 0; y < source.height; ++y)
{
for (int x = 0; x < source.width; ++x)
{
tex.SetPixel(entry.x + x, entry.y + y, source.GetPixel(x, y));
}
}
}
else
{
for (int y = 0; y < source.height; ++y)
{
for (int x = 0; x < source.width; ++x)
{
tex.SetPixel(entry.x + y, entry.y + x, source.GetPixel(x, y));
}
}
}
}
tex.Apply();
string texturePath = gen.atlasTextures[atlasIndex]?AssetDatabase.GetAssetPath(gen.atlasTextures[atlasIndex]):(dataDirName + "atlas" + atlasIndex + ".png");
// Write filled atlas to disk
byte[] bytes = tex.EncodeToPNG();
System.IO.FileStream fs = System.IO.File.Create(texturePath);
fs.Write(bytes, 0, bytes.Length);
fs.Close();
AssetDatabase.SaveAssets();
AssetDatabase.Refresh();
tex = AssetDatabase.LoadAssetAtPath(texturePath, typeof(Texture2D)) as Texture2D;
gen.atlasTextures[atlasIndex] = tex;
// Make sure texture is set up with the correct max size and compression type
SetUpTargetTexture(gen, tex);
// Create material if necessary
if (gen.atlasMaterials[atlasIndex] == null)
{
Material mat;
if (gen.premultipliedAlpha)
mat = new Material(Shader.Find("tk2d/PremulVertexColor"));
else
mat = new Material(Shader.Find("tk2d/BlendVertexColor"));
mat.mainTexture = tex;
string materialPath = gen.atlasMaterials[atlasIndex]?AssetDatabase.GetAssetPath(gen.atlasMaterials[atlasIndex]):(dataDirName + "atlas" + atlasIndex + "_material.mat");
AssetDatabase.CreateAsset(mat, materialPath);
AssetDatabase.SaveAssets();
gen.atlasMaterials[atlasIndex] = AssetDatabase.LoadAssetAtPath(materialPath, typeof(Material)) as Material;
}
}
// Create prefab
if (gen.spriteCollection == null)
{
Object p = EditorUtility.CreateEmptyPrefab(prefabObjectPath);
GameObject go = new GameObject();
go.AddComponent<tk2dSpriteCollectionData>();
EditorUtility.ReplacePrefab(go, p);
GameObject.DestroyImmediate(go);
AssetDatabase.SaveAssets();
gen.spriteCollection = AssetDatabase.LoadAssetAtPath(prefabObjectPath, typeof(tk2dSpriteCollectionData)) as tk2dSpriteCollectionData;
}
tk2dSpriteCollectionData coll = gen.spriteCollection;
coll.textures = new Texture[gen.atlasTextures.Length];
coll.materials = new Material[gen.atlasMaterials.Length];
for (int i = 0; i < gen.atlasTextures.Length; ++i)
{
coll.textures[i] = gen.atlasTextures[i];
}
for (int i = 0; i < gen.atlasMaterials.Length; ++i)
{
coll.materials[i] = gen.atlasMaterials[i];
}
// Wipe out legacy data
coll.material = null;
coll.premultipliedAlpha = gen.premultipliedAlpha;
coll.spriteDefinitions = new tk2dSpriteDefinition[gen.textureParams.Length];
coll.version = tk2dSpriteCollectionData.CURRENT_VERSION;
coll.spriteCollectionGUID = AssetDatabase.AssetPathToGUID(AssetDatabase.GetAssetPath(gen));
coll.spriteCollectionName = gen.name;
coll.invOrthoSize = 1.0f / gen.targetOrthoSize;
int buildKey = Random.Range(0, int.MaxValue);
while (buildKey == coll.buildKey)
{
buildKey = Random.Range(0, int.MaxValue);
}
coll.buildKey = buildKey; // a random build number so we can identify changed collections quickly
for (int i = 0; i < coll.spriteDefinitions.Length; ++i)
{
coll.spriteDefinitions[i] = new tk2dSpriteDefinition();
if (gen.textureRefs[i])
{
string assetPath = AssetDatabase.GetAssetPath(gen.textureRefs[i]);
string guid = AssetDatabase.AssetPathToGUID(assetPath);
coll.spriteDefinitions[i].sourceTextureGUID = guid;
}
else
{
coll.spriteDefinitions[i].sourceTextureGUID = "";
}
coll.spriteDefinitions[i].extractRegion = gen.textureParams[i].extractRegion;
coll.spriteDefinitions[i].regionX = gen.textureParams[i].regionX;
coll.spriteDefinitions[i].regionY = gen.textureParams[i].regionY;
coll.spriteDefinitions[i].regionW = gen.textureParams[i].regionW;
coll.spriteDefinitions[i].regionH = gen.textureParams[i].regionH;
}
coll.allowMultipleAtlases = gen.allowMultipleAtlases;
coll.guid = AssetDatabase.AssetPathToGUID(AssetDatabase.GetAssetPath(coll));
UpdateVertexCache(gen, atlasData, coll, spriteLuts);
// refresh existing
tk2dSprite[] sprs = Resources.FindObjectsOfTypeAll(typeof(tk2dSprite)) as tk2dSprite[];
foreach (tk2dSprite spr in sprs)
{
if (spr.collection == gen.spriteCollection)
{
if (spr.spriteId < 0 || spr.spriteId >= spr.collection.spriteDefinitions.Length)
spr.spriteId = 0;
spr.Build();
spr.EditMode__CreateCollider();
}
}
tk2dStaticSpriteBatcher[] batchedSprs = Resources.FindObjectsOfTypeAll(typeof(tk2dStaticSpriteBatcher)) as tk2dStaticSpriteBatcher[];
foreach (var spr in batchedSprs)
{
if (spr.spriteCollection == gen.spriteCollection)
{
spr.Build();
}
}
// save changes
var index = tk2dEditorUtility.GetOrCreateIndex();
index.AddSpriteCollectionData(gen.spriteCollection);
EditorUtility.SetDirty(gen.spriteCollection);
EditorUtility.SetDirty(gen);
sourceTextures = null; // need to clear, its static
currentBuild = null;
tk2dEditorUtility.GetOrCreateIndex().AddSpriteCollectionData(gen.spriteCollection);
tk2dEditorUtility.CommitIndex();
tk2dSpriteCollectionEditorPopup.OnRebuild();
return true;
}
