public static void AddTexturesToAtlas(UITextureAtlas atlas, Texture2D[] newTextures)
{
Texture2D[] textures = new Texture2D[atlas.count + newTextures.Length];
for (int i = 0; i < atlas.count; i++)
{
Texture2D texture2D = atlas.sprites[i].texture;
texture2D = texture2D.TryMakeReadable();
textures[i] = texture2D;
textures[i].name = atlas.sprites[i].name;
}
for (int i = 0; i < newTextures.Length; i++)
{
textures[atlas.count + i] = newTextures[i];
}
Rect[] regions = atlas.texture.PackTextures(textures, atlas.padding, 4096, false);
atlas.sprites.Clear();
for (int i = 0; i < textures.Length; i++)
{
UITextureAtlas.SpriteInfo spriteInfo = atlas[textures[i].name];
atlas.sprites.Add(new UITextureAtlas.SpriteInfo {
texture = textures[i],
name = textures[i].name,
border = spriteInfo?.border ?? new RectOffset(),
region = regions[i],
});
}
atlas.RebuildIndexes();
}
private void AddTexturesInAtlas(UITextureAtlas atlas, Texture2D[] newTextures)
{
Texture2D[] textures = new Texture2D[atlas.count + newTextures.Length];
for (int i = 0; i < atlas.count; i++)
{
// Locked textures workaround
Texture2D texture2D = atlas.sprites[i].texture;
if (texture2D != null)
{
RenderTexture renderTexture = RenderTexture.GetTemporary(texture2D.width, texture2D.height, 0);
Graphics.Blit(texture2D, renderTexture);
RenderTexture active = RenderTexture.active;
texture2D = new Texture2D(renderTexture.width, renderTexture.height);
RenderTexture.active = renderTexture;
texture2D.ReadPixels(new Rect(0f, 0f, (float)renderTexture.width, (float)renderTexture.height), 0, 0);
texture2D.Apply();
RenderTexture.active = active;
RenderTexture.ReleaseTemporary(renderTexture);
textures[i] = texture2D;
textures[i].name = atlas.sprites[i].name;
}
}
for (int i = 0; i < newTextures.Length; i++)
{
textures[atlas.count + i] = newTextures[i];
}
Rect[] regions = atlas.texture.PackTextures(textures, atlas.padding, 4096, false);
atlas.sprites.Clear();
for (int i = 0; i < textures.Length; i++)
{
if (textures[i] != null)
{
UITextureAtlas.SpriteInfo spriteInfo = atlas[textures[i].name];
atlas.sprites.Add(new UITextureAtlas.SpriteInfo
{
texture = textures[i],
name = textures[i].name,
border = (spriteInfo != null) ? spriteInfo.border : new RectOffset(),
region = regions[i]
});
}
}
atlas.RebuildIndexes();
}
public static void AddTextures(Texture2D[] newTextures, bool locked = false)
{
createStaticAtlas();
Texture2D[] textures = new Texture2D[m_atlas.count + newTextures.Length];
for (int i = 0; i < m_atlas.count; i++)
{
Texture2D texture2D = m_atlas.sprites[i].texture;
if (locked)
{
// Locked textures workaround
RenderTexture renderTexture = RenderTexture.GetTemporary(texture2D.width, texture2D.height, 0);
Graphics.Blit(texture2D, renderTexture);
RenderTexture active = RenderTexture.active;
texture2D = new Texture2D(renderTexture.width, renderTexture.height);
RenderTexture.active = renderTexture;
texture2D.ReadPixels(new Rect(0f, 0f, (float)renderTexture.width, (float)renderTexture.height), 0, 0);
texture2D.Apply();
RenderTexture.active = active;
RenderTexture.ReleaseTemporary(renderTexture);
}
textures[i] = texture2D;
textures[i].name = m_atlas.sprites[i].name;
}
for (int i = 0; i < newTextures.Length; i++)
{
textures[m_atlas.count + i] = newTextures[i];
}
Rect[] regions = m_atlas.texture.PackTextures(textures, m_atlas.padding, 4096, false);
m_atlas.sprites.Clear();
for (int i = 0; i < textures.Length; i++)
{
UITextureAtlas.SpriteInfo spriteInfo = m_atlas[textures[i].name];
m_atlas.sprites.Add(new UITextureAtlas.SpriteInfo
{
texture = textures[i],
name = textures[i].name,
border = (spriteInfo != null) ? spriteInfo.border : new RectOffset(),
region = regions[i]
});
}
m_atlas.RebuildIndexes();
}
public static void AddTexturesInAtlas(UITextureAtlas atlas, Texture2D[] newTextures, bool locked = false)
{
var textures = new Texture2D[atlas.count + newTextures.Length];
for (var i = 0; i < atlas.count; i++)
{
var texture2D = atlas.sprites[i].texture;
if (locked)
{
// Locked textures workaround
var renderTexture = RenderTexture.GetTemporary(texture2D.width, texture2D.height, 0);
Graphics.Blit(texture2D, renderTexture);
var active = RenderTexture.active;
texture2D = new Texture2D(renderTexture.width, renderTexture.height);
RenderTexture.active = renderTexture;
texture2D.ReadPixels(new Rect(0f, 0f, renderTexture.width, renderTexture.height), 0, 0);
texture2D.Apply();
RenderTexture.active = active;
RenderTexture.ReleaseTemporary(renderTexture);
}
textures[i] = texture2D;
textures[i].name = atlas.sprites[i].name;
}
for (var i = 0; i < newTextures.Length; i++)
{
textures[atlas.count + i] = newTextures[i];
}
var regions = atlas.texture.PackTextures(textures, atlas.padding, 4096, false);
atlas.sprites.Clear();
for (var i = 0; i < textures.Length; i++)
{
var spriteInfo = atlas[textures[i].name];
atlas.sprites.Add(new UITextureAtlas.SpriteInfo
{
texture = textures[i],
name = textures[i].name,
border = spriteInfo != null ? spriteInfo.border : new RectOffset(),
region = regions[i]
});
}
atlas.RebuildIndexes();
}
/// <summary>
/// Destroys contents of UITextureAtlas and instance itself
/// </summary>
/// <param name="atlas">instance to destroy</param>
public static void DestroyTextureAtlasAndContents(UITextureAtlas atlas)
{
List <UITextureAtlas.SpriteInfo> atlasSprites = atlas.sprites;
// destroy sprites
for (int i = 0; i < atlasSprites.Count; i++)
{
Object.DestroyImmediate(atlasSprites[0].texture);
}
atlasSprites.Clear();
// reset map
atlas.RebuildIndexes();
// destroy material texture
Object.DestroyImmediate(atlas.texture);
// destroy material
Object.DestroyImmediate(atlas.material);
// destroy atlas scriptable object
Object.DestroyImmediate(atlas);
}
/// <summary>
/// Adds a collection of textures to an atlas.
/// </summary>
/// <param name="atlas">Atlas to add to</param>
/// <param name="newTextures">Textures to add</param>
private void AddTexturesToAtlas(UITextureAtlas atlas, Texture2D[] newTextures)
{
Texture2D[] textures = new Texture2D[atlas.count + newTextures.Length];
// Populate textures with sprites from the atlas.
for (int i = 0; i < atlas.count; i++)
{
textures[i] = atlas.sprites[i].texture;
textures[i].name = atlas.sprites[i].name;
}
// Append new textures to our list.
for (int i = 0; i < newTextures.Length; i++)
{
textures[atlas.count + i] = newTextures[i];
}
// Repack atlas with our new additions (regions are individual texture areas within the atlas).
Rect[] regions = atlas.texture.PackTextures(textures, atlas.padding, 4096, false);
// Clear original atlas sprites.
atlas.sprites.Clear();
// Iterate through our list, adding each sprite into the atlas.
for (int i = 0; i < textures.Length; i++)
{
UITextureAtlas.SpriteInfo spriteInfo = atlas[textures[i].name];
atlas.sprites.Add(new UITextureAtlas.SpriteInfo
{
texture = textures[i],
name = textures[i].name,
border = (spriteInfo != null) ? spriteInfo.border : new RectOffset(),
region = regions[i]
});
}
// Rebuild atlas indexes.
atlas.RebuildIndexes();
}
public static void RegenerateTextureAtlas(UITextureAtlas textureAtlas, List <SpriteInfo> newFiles)
{
IEnumerable <string> newSpritesNames = newFiles.Select(x => x.name);
newFiles.AddRange(textureAtlas.sprites.Where(x => !newSpritesNames.Contains(x.name)));
textureAtlas.sprites.Clear();
textureAtlas.AddSprites(newFiles.ToArray());
if (textureAtlas.texture == null)
{
textureAtlas.material.mainTexture = new Texture2D(1, 1);
(textureAtlas.material.mainTexture as Texture2D).SetPixel(0, 0, default);
}
Rect[] array = textureAtlas.texture.PackTextures(textureAtlas.sprites.Select(x => x.texture).ToArray(), textureAtlas.padding, 4096 * 4);
for (int i = 0; i < textureAtlas.count; i++)
{
textureAtlas.sprites[i].region = array[i];
}
textureAtlas.sprites.Sort();
textureAtlas.RebuildIndexes();
UIView.RefreshAll(false);
}
/**
* Method sourced from SamsamTSs Airport Roads mod for Cities Skylines
* Adds array of Texture2D objects to a UITextureAtlas
* https://github.com/SamsamTS/CS-AirportRoads/blob/master/AirportRoads/AirportRoads.cs
**/
private static void AddTexturesInAtlas(UITextureAtlas atlas, Texture2D[] newTextures)
{
Texture2D[] textures = new Texture2D[atlas.count + newTextures.Length];
for (int i = 0; i < atlas.count; i++) {
// Locked textures workaround
Texture2D texture2D = atlas.sprites[i].texture;
RenderTexture renderTexture = RenderTexture.GetTemporary(texture2D.width, texture2D.height, 0);
Graphics.Blit(texture2D, renderTexture);
RenderTexture active = RenderTexture.active;
texture2D = new Texture2D(renderTexture.width, renderTexture.height);
RenderTexture.active = renderTexture;
texture2D.ReadPixels(new Rect(0f, 0f, (float)renderTexture.width, (float)renderTexture.height), 0, 0);
texture2D.Apply();
RenderTexture.active = active;
RenderTexture.ReleaseTemporary(renderTexture);
textures[i] = texture2D;
textures[i].name = atlas.sprites[i].name;
}
for (int i = 0; i < newTextures.Length; i++)
textures[atlas.count + i] = newTextures[i];
Rect[] regions = atlas.texture.PackTextures(textures, atlas.padding, 4096, false);
atlas.sprites.Clear();
for (int i = 0; i < textures.Length; i++) {
UITextureAtlas.SpriteInfo spriteInfo = atlas[textures[i].name];
atlas.sprites.Add(new UITextureAtlas.SpriteInfo {
texture = textures[i],
name = textures[i].name,
border = (spriteInfo != null) ? spriteInfo.border : new RectOffset(),
region = regions[i]
});
}
atlas.RebuildIndexes();
}
