public bool Render()
{
target.Update();
EditorGUI.BeginChangeCheck();
var tex = EditorGUILayout.ObjectField("Sprite", null, typeof(Texture2D), false);
if (tex != null)
{
var assetpath = AssetDatabase.GetAssetPath(tex);
var new_crc = HUDHelper.GetCRC32(assetpath);
Rect uv_rect;
if (HUDManager.Instance.Setting.atlas.QueryUV(new_crc, out uv_rect))
{
var uv_property = sprite.FindPropertyRelative("uv0_rect").FindPropertyRelative("Array.data[0]");
uv_property.FindPropertyRelative("x").floatValue = uv_rect.xMin;
uv_property.FindPropertyRelative("y").floatValue = uv_rect.yMin;
uv_property.FindPropertyRelative("z").floatValue = uv_rect.width;
uv_property.FindPropertyRelative("w").floatValue = uv_rect.height;
}
else
{
var w = EditorWindow.mouseOverWindow;
w.ShowNotification(new GUIContent("不在图集中", EditorGUIUtility.Load(EditorResources.iconsPath + "console.erroricon.png") as Texture2D));
}
}
EditorGUILayout.PropertyField(position, new GUIContent("position"));
EditorGUILayout.PropertyField(scale, new GUIContent("scale"));
EditorGUILayout.PropertyField(size, new GUIContent("size"));
EditorGUILayout.PropertyField(color, new GUIContent("color"));
if (GUILayout.Button("NativeSize"))
{
var tex_size = HUDManager.Instance.Setting.atlas.size;
var uv_property = sprite.FindPropertyRelative("uv0_rect").FindPropertyRelative("Array.data[0]");
float width = uv_property.FindPropertyRelative("z").floatValue;
float height = uv_property.FindPropertyRelative("w").floatValue;
float n_width = Mathf.Floor(tex_size.x * width);
float n_height = Mathf.Floor(tex_size.y * height);
size.FindPropertyRelative("x").floatValue = n_width;
size.FindPropertyRelative("y").floatValue = n_height;
}
if (EditorGUI.EndChangeCheck())
{
target.ApplyModifiedProperties();
return(true);
}
return(false);
}
public static void CreateAtlats(string[] textures, string path)
{
HUDAtlas atlas = AssetDatabase.LoadAssetAtPath <HUDAtlas>(path);
if (atlas == null)
{
atlas = ScriptableObject.CreateInstance <HUDAtlas>();
AssetDatabase.CreateAsset(atlas, path);
AssetDatabase.Refresh();
}
List <Texture2D> texture2ds = new List <Texture2D>();
List <uint> crcids = new List <uint>();
foreach (var p in textures)
{
var tex = AssetDatabase.LoadAssetAtPath <Texture2D>(p);
if (tex != null)
{
var u_tex = new Texture2D(tex.width, tex.height, TextureFormat.RGBA32, false, false);
RenderTexture tmp = RenderTexture.GetTemporary(tex.width, tex.height, 0, RenderTextureFormat.Default, RenderTextureReadWrite.Default);
Graphics.Blit(tex, tmp);
RenderTexture.active = tmp;
u_tex.ReadPixels(new Rect(0, 0, tex.width, tex.height), 0, 0);
u_tex.Apply();
texture2ds.Add(u_tex);
crcids.Add(HUDHelper.GetCRC32(p));
}
}
var alta_tex = new Texture2D(1, 1, TextureFormat.RGBA32, false, false);
var uvs = alta_tex.PackTextures(texture2ds.ToArray(), 4, 2048, false);
if (uvs == null)
{
Debug.LogError("package error");
return;
}
var datas = alta_tex.EncodeToPNG();
var atlas_tex_path = System.IO.Path.GetDirectoryName(path) + "/" + System.IO.Path.GetFileNameWithoutExtension(path) + ".png";
System.IO.File.WriteAllBytes(atlas_tex_path, datas);
AssetDatabase.ImportAsset(atlas_tex_path);
atlas.crc32ids = crcids.ToArray();
atlas.uvs = uvs;
atlas.texture = AssetDatabase.LoadAssetAtPath <Texture2D>(atlas_tex_path);
AssetDatabase.SaveAssets();
}