/// <summary>
/// Builds and adds a new <see cref="dfAtlas.ItemInfo"/> to <paramref name="atlas"/> with the texture of <paramref name="tex"/> and the name of <paramref name="name"/>.
/// </summary>
/// <param name="atlas">The <see cref="dfAtlas"/> to add the new <see cref="dfAtlas.ItemInfo"/> to.</param>
/// <param name="tex">The texture of the new <see cref="dfAtlas.ItemInfo"/>.</param>
/// <param name="name">The name of the new <see cref="dfAtlas.ItemInfo"/>. If <see langword="null"/>, it will default to <paramref name="tex"/>'s name.</param>
/// <returns>The built <see cref="dfAtlas.ItemInfo"/>.</returns>
public static dfAtlas.ItemInfo AddNewItemToAtlas(this dfAtlas atlas, Texture2D tex, string name = null)
{
if (string.IsNullOrEmpty(name))
{
name = tex.name;
}
if (atlas[name] != null)
{
return(atlas[name]);
}
dfAtlas.ItemInfo item = new dfAtlas.ItemInfo
{
border = new RectOffset(),
deleted = false,
name = name,
region = atlas.FindFirstValidEmptySpace(new IntVector2(tex.width, tex.height)),
rotated = false,
sizeInPixels = new Vector2(tex.width, tex.height),
texture = tex,
textureGUID = name
};
int startPointX = Mathf.RoundToInt(item.region.x * atlas.Texture.width);
int startPointY = Mathf.RoundToInt(item.region.y * atlas.Texture.height);
for (int x = startPointX; x < Mathf.RoundToInt(item.region.xMax * atlas.Texture.width); x++)
{
for (int y = startPointY; y < Mathf.RoundToInt(item.region.yMax * atlas.Texture.height); y++)
{
atlas.Texture.SetPixel(x, y, tex.GetPixel(x - startPointX, y - startPointY));
}
}
atlas.Texture.Apply();
atlas.AddItem(item);
return(item);
}
public bool AddTexture(dfAtlas atlas, params Texture2D[] newTextures)
{
try
{
selectedTextures.Clear();
var addedItems = new List <dfAtlas.ItemInfo>();
for (int i = 0; i < newTextures.Length; i++)
{
// Grab reference to existing item, if it exists, to preserve border information
var existingItem = atlas[newTextures[i].name];
// Remove the existing item if it already exists
atlas.Remove(newTextures[i].name);
// Keep the texture size available
var size = new Vector2(newTextures[i].width, newTextures[i].height);
// Determine the guid for the texture
var spritePath = AssetDatabase.GetAssetPath(newTextures[i]);
var guid = AssetDatabase.AssetPathToGUID(spritePath);
// Add the new texture to the Items collection
var newItem = new dfAtlas.ItemInfo()
{
textureGUID = guid,
name = newTextures[i].name,
border = (existingItem != null) ? existingItem.border : new RectOffset(),
sizeInPixels = size
};
addedItems.Add(newItem);
atlas.AddItem(newItem);
}
if (!rebuildAtlas(atlas))
{
atlas.Items.RemoveAll(i => addedItems.Contains(i));
return(false);
}
return(true);
}
catch (Exception err)
{
Debug.LogError(err.ToString(), atlas);
EditorUtility.DisplayDialog("Error Adding Sprite", err.Message, "OK");
}
return(false);
}
public static T SetupDfSpriteFromTexture <T>(this GameObject obj, Texture2D texture, Shader shader) where T : dfSprite
{
T sprite = obj.GetOrAddComponent <T>();
dfAtlas atlas = obj.GetOrAddComponent <dfAtlas>();
atlas.Material = new Material(shader);
atlas.Material.mainTexture = texture;
atlas.Items.Clear();
dfAtlas.ItemInfo info = new dfAtlas.ItemInfo
{
border = new RectOffset(),
deleted = false,
name = "main_sprite",
region = new Rect(Vector2.zero, new Vector2(1, 1)),
rotated = false,
sizeInPixels = new Vector2(texture.width, texture.height),
texture = null,
textureGUID = "main_sprite"
};
atlas.AddItem(info);
sprite.Atlas = atlas;
sprite.SpriteName = "main_sprite";
return(sprite);
}
public bool AddTexture( dfAtlas atlas, params Texture2D[] newTextures )
{
try
{
selectedTextures.Clear();
var addedItems = new List<dfAtlas.ItemInfo>();
for( int i = 0; i < newTextures.Length; i++ )
{
// Grab reference to existing item, if it exists, to preserve border information
var existingItem = atlas[ newTextures[ i ].name ];
// Remove the existing item if it already exists
atlas.Remove( newTextures[ i ].name );
// Keep the texture size available
var size = new Vector2( newTextures[ i ].width, newTextures[ i ].height );
// Determine the guid for the texture
var spritePath = AssetDatabase.GetAssetPath( newTextures[ i ] );
var guid = AssetDatabase.AssetPathToGUID( spritePath );
// Add the new texture to the Items collection
var newItem = new dfAtlas.ItemInfo()
{
textureGUID = guid,
name = newTextures[ i ].name,
border = ( existingItem != null ) ? existingItem.border : new RectOffset(),
sizeInPixels = size
};
addedItems.Add( newItem );
atlas.AddItem( newItem );
}
if( !rebuildAtlas( atlas ) )
{
atlas.Items.RemoveAll( i => addedItems.Contains( i ) );
return false;
}
return true;
}
catch( Exception err )
{
Debug.LogError( err.ToString(), atlas );
EditorUtility.DisplayDialog( "Error Adding Sprite", err.Message, "OK" );
}
return false;
}
