public static void ImportRowFromSheetTexture(
RagePixelSpriteSheet spritesheet,
RagePixelRow destRow,
Texture2D tex,
int importSpriteWidth, int importSpriteHeight,
bool importSpriteTopLeft
)
{
int framesWide = tex.width / importSpriteWidth;
int framesHigh = tex.height / importSpriteHeight;
int cellCount = framesWide * framesHigh;
destRow.Clear();
//loop to allocate cell space
for (int i = 0; i < cellCount; i++)
{
destRow.InsertCell(i, RagePixelUtil.RandomKey());
}
RebuildAtlas(spritesheet, true, "Import row from spritesheet");
float importUVPerFrameW = 1.0f / framesWide;
float importUVPerFrameH = 1.0f / framesHigh;
Texture2D spritesheetTexture = spritesheet.atlas.GetTexture("_MainTex") as Texture2D;
//loop to copy texture to UVs
for (int i = 0; i < cellCount; i++)
{
int y = i / framesWide;
int x = i - (y * framesWide);
Rect importUVs = new Rect(x * importUVPerFrameW, (importSpriteTopLeft ? (framesHigh - 1 - y) : y) * importUVPerFrameH, importUVPerFrameW, importUVPerFrameH);
Rect uvs = destRow.cells[i].uv;
RagePixelUtil.CopyPixels(tex, importUVs, spritesheetTexture, uvs);
}
}
public void UpdateCell(RagePixelCell cell, Texture2D spritesheetTexture)
{
if (cell.importAssetPath != "")
{
Texture2D textureAsset = AssetDatabase.LoadAssetAtPath(cell.importAssetPath, typeof(Texture2D)) as Texture2D;
if (textureAsset)
{
RagePixelUtil.CopyPixels(textureAsset, new Rect(0f, 0f, 1f, 1f), spritesheetTexture, cell.uv);
}
else
{
Debug.LogWarning("Frame has reference to '" + cell.importAssetPath + "' but it does not exist");
}
}
}
public void ImportSprite(SpriteSheetImportTarget target)
{
string path = AssetDatabase.GetAssetPath(newTexture);
TextureImporter textureImporter = AssetImporter.GetAtPath(path) as TextureImporter;
textureImporter.isReadable = true;
textureImporter.filterMode = FilterMode.Point;
textureImporter.npotScale = TextureImporterNPOTScale.None;
textureImporter.textureFormat = TextureImporterFormat.AutomaticTruecolor;
AssetDatabase.ImportAsset(path, ImportAssetOptions.ForceUpdate);
if (textureImporter.isReadable)
{
int newKey = RagePixelUtil.RandomKey();
int newKey2 = RagePixelUtil.RandomKey();
Texture2D spritesheetTexture = spriteSheet.atlas.GetTexture("_MainTex") as Texture2D;
switch (target)
{
case SpriteSheetImportTarget.SpriteSheet:
{
RagePixelRow row = spriteSheet.AddRow(newKey, importSpriteWidth, importSpriteHeight);
row.name = newTexture.name;
RagePixelUtil.ImportRowFromSheetTexture(
spriteSheet,
row,
newTexture,
importSpriteWidth, importSpriteHeight,
importSpriteTopLeft
);
spriteSheetGUI.currentRowKey = newKey;
animStripGUI.currentCellKey = row.cells[0].key;
break;
}
case SpriteSheetImportTarget.NewSprite:
{
RagePixelRow row = spriteSheet.AddRow(newKey, newTexture.width, newTexture.height);
row.InsertCell(0, newKey2).importAssetPath = path;
spriteSheetGUI.currentRowKey = newKey;
animStripGUI.currentCellKey = newKey2;
RagePixelUtil.RebuildAtlas(spriteSheet, true, "Import texture as new sprite");
Rect uvs = spriteSheet.GetRow(spriteSheetGUI.currentRowKey).GetCell(animStripGUI.currentCellKey).uv;
RagePixelUtil.CopyPixels(newTexture, new Rect(0f, 0f, 1f, 1f), spritesheetTexture, uvs);
break;
}
case SpriteSheetImportTarget.NewFrame:
{
RagePixelRow row = spriteSheet.GetRow(spriteSheetGUI.currentRowKey);
int index = spriteSheet.GetRow(spriteSheetGUI.currentRowKey).GetIndex(animStripGUI.currentCellKey) + 1;
row.InsertCell(index, newKey2).importAssetPath = path;
animStripGUI.currentCellKey = newKey2;
RagePixelUtil.RebuildAtlas(spriteSheet, true, "Import texture as new frame");
Rect uvs = spriteSheet.GetRow(spriteSheetGUI.currentRowKey).GetCell(animStripGUI.currentCellKey).uv;
RagePixelUtil.CopyPixels(newTexture, new Rect(0f, 0f, 1f, 1f), spritesheetTexture, uvs);
break;
}
case SpriteSheetImportTarget.Selected:
{
RagePixelCell cell = spriteSheet.GetRow(spriteSheetGUI.currentRowKey).GetCell(animStripGUI.currentCellKey);
Rect uvs = cell.uv;
RagePixelUtil.CopyPixels(newTexture, new Rect(0f, 0f, 1f, 1f), spritesheetTexture, uvs);
cell.importAssetPath = path;
break;
}
}
RagePixelUtil.SaveSpritesheetTextureToDisk(spriteSheet);
RagePixelUtil.RebuildAtlas(spriteSheet, true, "save after import");
spriteSheetGUI.isDirty = true;
animStripGUI.isDirty = true;
if (inspector != null)
{
inspector.animStripGUI.isDirty = true;
inspector.spriteSheetGUI.isDirty = true;
}
}
else
{
EditorUtility.DisplayDialog("Texture is not readable", "Set texture type to advanced and read/write as enabled from the import options.", "OK");
}
}