static Rect GetAltasTextureRect(Sprite sp, Texture2D atlasTexture)
{
Rect textureRect = new Rect();
Vector2[] uvs = SpriteUtility.GetSpriteUVs(sp, false);
Vector2[] altasUvs = SpriteUtility.GetSpriteUVs(sp, true);
int count = uvs.Length;
int compare = 0;
for (int i = 1; i < count; i++)
{
if (uvs[i].x != uvs[0].x && uvs[i].y != uvs[0].y)
{
compare = i;
break;
}
}
textureRect.width = (altasUvs[0].x - altasUvs[compare].x) / (uvs[0].x - uvs[compare].x);
textureRect.height = (altasUvs[0].y - altasUvs[compare].y) / (uvs[0].y - uvs[compare].y);
textureRect.x = altasUvs[0].x - textureRect.width * uvs[0].x;
textureRect.y = altasUvs[0].y - textureRect.height * uvs[0].y;
textureRect.x *= atlasTexture.width;
textureRect.y *= atlasTexture.height;
textureRect.width *= atlasTexture.width;
textureRect.height *= atlasTexture.height;
return(textureRect);
}
public Mesh ConvertSprite(SpriteRenderer spriteRenderer)
{
Sprite sprite = spriteRenderer.sprite;
spriteRenderer.transform.position = new Vector3(spriteRenderer.transform.position.x, spriteRenderer.transform.position.y, spriteRenderer.transform.position.z + (spriteRenderer.sortingOrder * sTarget.sortingOrderToZPositionMultiplier + sTarget.sortingOrderToZPositionOffset));
Mesh newMesh = new Mesh();
Vector3[] meshVerts = new Vector3[sprite.vertices.Length];
Color[] colors = new Color[sprite.vertices.Length];
Vector3[] normals = new Vector3[sprite.vertices.Length];
for (int i = 0; i < sprite.vertices.Length; i++)
{
meshVerts[i] = sprite.vertices[i];
}
newMesh.vertices = meshVerts;
for (int i = 0; i < sprite.vertices.Length; i++)
{
colors[i] = spriteRenderer.color;
normals[i] = new Vector3(0, 0, -1);
}
newMesh.colors = colors;
newMesh.normals = normals;
newMesh.uv = SpriteUtility.GetSpriteUVs(sprite, false);
int[] meshIndicies = new int[sprite.triangles.Length];
for (int i = 0; i < meshIndicies.Length; i++)
{
meshIndicies[i] = sprite.triangles[i];
}
newMesh.SetIndices(meshIndicies, MeshTopology.Triangles, 0);
newMesh.hideFlags = HideFlags.HideAndDontSave;
return(newMesh);
}
private static bool tryGetAtlasedUvsEditor(Sprite sprite, out Vector2[] uvs)
{
try {
uvs = SpriteUtility.GetSpriteUVs(sprite, getAtlasData: true);
return(true);
} catch (Exception) {
uvs = null;
return(false);
}
}
static void SaveSubTextureInfo()
{
Texture2D altasTexture = SpriteUtility.GetSpriteTexture(spriteList[0], true);
string filename = Application.dataPath + "/Resources/" + MapPrefabDef.MapTerrainSprData + ".txt";
StreamWriter sw;
FileInfo t = new FileInfo(filename);
if (!t.Exists)
{
//如果此文件不存在则创建
sw = t.CreateText();
}
else
{
//如果此文件存在则打开
t.Delete();
sw = t.CreateText();
}
byte[] altasdata = altasTexture.GetRawTextureData();
System.Text.StringBuilder sb = new System.Text.StringBuilder();
sb.AppendFormat(" {0}", altasTexture.name);
sb.AppendFormat(" {0}", altasTexture.width);
sb.AppendFormat(" {0}", altasTexture.height);
sb.AppendFormat(" {0}", (int)altasTexture.format);
sb.AppendFormat(" {0}", altasdata.Length);
sb.AppendFormat(" {0}", altasTexture.mipmapCount);
sb.Remove(0, 1);
sw.WriteLine(sb.ToString());
List <Vector4> TArray = new List <Vector4>();
for (int i = 0; i < spriteList.Count; i++)
{
Vector2[] data = SpriteUtility.GetSpriteUVs(spriteList[i], true);
Vector2 ms = new Vector2(altasTexture.width, altasTexture.height);
//左上
Vector2 p0 = new Vector2(data[0].x * ms.x, data[0].y * ms.y);
//右下
Vector2 p1 = new Vector2(data[1].x * ms.x, data[1].y * ms.y);
//右上
Vector2 p2 = new Vector2(data[2].x * ms.x, data[2].y * ms.y);
//左下
Vector2 p3 = new Vector2(data[3].x * ms.x, data[3].y * ms.y);
var sp = p3;
var ss = new Vector2(p1.x - p3.x, p0.y - p3.y);
Vector4 pos = new Vector4(sp.x / ms.x, sp.y / ms.y, ss.x / ms.x, ss.y / ms.y);
sw.WriteLine(spriteList[i].name + " " + pos.x + " " + pos.y + " " + pos.z + " " + pos.w + "\n");
}
sw.Close();
//销毁流
sw.Dispose();
AssetDatabase.Refresh();
}
public static void WritePrefabPathToCSharp()
{
Debug.Log(string.Join(",", Packer.atlasNames));
Texture2D[] texts = Packer.GetTexturesForAtlas("1");
Sprite sprite0 = Resources.Load <Sprite>("Sprites/car02");
Sprite sprite1 = Resources.Load <Sprite>("Sprites/car0_scaled");
Vector2[] points0 = SpriteUtility.GetSpriteUVs(sprite0, true);
Vector2[] points1 = SpriteUtility.GetSpriteUVs(sprite1, true);
Debug.Log("tEXT");
}
private Mesh SpriteToMesh(SpriteRenderer spriteRenderer)
{
var sprite = spriteRenderer.sprite;
Mesh result = new Mesh();
result.hideFlags = HideFlags.HideAndDontSave;
result.Clear();
//verts
var verts = sprite.vertices;
var verts3d = new Vector3[verts.Length];
for (int i = 0; i < verts.Length; i++)
{
verts3d [i] = verts [i];
}
result.vertices = verts3d;
// uvs
result.uv = SpriteUtility.GetSpriteUVs(sprite, false);
// colors and normals
var colors = new Color[result.vertices.Length];
var normals = new Vector3[result.vertices.Length];
for (int i = 0; i < colors.Length; i++)
{
colors [i] = spriteRenderer.color;
normals [i] = Vector3.back;
}
result.colors = colors;
result.normals = normals;
// indicies
var indicies2d = sprite.triangles;
var indicies = new int[indicies2d.Length];
for (int i = 0; i < indicies.Length; i++)
{
indicies [i] = indicies2d [i];
}
// finish it up
result.SetIndices(indicies, MeshTopology.Triangles, 0);
return(result);
}
public static Mesh CreateSpriteMesh(Transform owner, Sprite sprite)
{
if (owner != null && sprite != null)
{
// Unparent the skin temporarily before adding the mesh
Transform parent = owner.parent;
owner.parent = null;
// Reset the rotation before creating the mesh so the UV's will align properly
Quaternion localRotation = owner.localRotation;
owner.localRotation = Quaternion.identity;
// Reset the scale before creating the mesh so the UV's will align properly
Vector3 localScale = owner.localScale;
owner.localScale = Vector3.one;
Vector2[] vertices2D = SpriteUtility.GetSpriteMesh(sprite, false);
int[] indices = SpriteUtility.GetSpriteIndices(sprite, false).Select(element => (int)element).ToArray();
// Create the Vector3 vertices
Vector3[] vertices = new Vector3[vertices2D.Length];
for (int i = 0; i < vertices.Length; i++)
{
vertices[i] = new Vector3(vertices2D[i].x, vertices2D[i].y, 0);
}
Mesh mesh = new Mesh();
mesh.vertices = vertices;
mesh.triangles = indices;
Vector2[] uvs = SpriteUtility.GetSpriteUVs(sprite, false);
mesh.uv = uvs;
mesh.RecalculateNormals();
mesh.RecalculateBounds();
// Reset the rotations of the object
owner.localRotation = localRotation;
owner.localScale = localScale;
owner.parent = parent;
return(mesh);
}
return(null);
}
public static void GetSpriteData(Sprite sprite, out Vector2[] vertices, out IndexedEdge[] edges, out int[] indices, out Vector2 pivotPoint)
{
int width = 0;
int height = 0;
GetSpriteTextureSize(sprite, ref width, ref height);
pivotPoint = Vector2.zero;
Vector2[] uvs = SpriteUtility.GetSpriteUVs(sprite, false);
vertices = new Vector2[uvs.Length];
for (int i = 0; i < uvs.Length; ++i)
{
vertices[i] = new Vector2(uvs[i].x * width, uvs[i].y * height);
}
ushort[] l_indices = sprite.triangles;
indices = new int[l_indices.Length];
for (int i = 0; i < l_indices.Length; ++i)
{
indices[i] = (int)l_indices[i];
}
HashSet <IndexedEdge> edgesSet = new HashSet <IndexedEdge>();
for (int i = 0; i < indices.Length; i += 3)
{
int index1 = indices[i];
int index2 = indices[i + 1];
int index3 = indices[i + 2];
IndexedEdge edge1 = new IndexedEdge(index1, index2);
IndexedEdge edge2 = new IndexedEdge(index2, index3);
IndexedEdge edge3 = new IndexedEdge(index1, index3);
if (edgesSet.Contains(edge1))
{
edgesSet.Remove(edge1);
}
else
{
edgesSet.Add(edge1);
}
if (edgesSet.Contains(edge2))
{
edgesSet.Remove(edge2);
}
else
{
edgesSet.Add(edge2);
}
if (edgesSet.Contains(edge3))
{
edgesSet.Remove(edge3);
}
else
{
edgesSet.Add(edge3);
}
}
edges = new IndexedEdge[edgesSet.Count];
int edgeIndex = 0;
foreach (IndexedEdge edge in edgesSet)
{
edges[edgeIndex] = edge;
++edgeIndex;
}
pivotPoint = GetPivotPoint(sprite);
}
private static Vector2[] getAtlasedUvsEditor(Sprite sprite)
{
return(SpriteUtility.GetSpriteUVs(sprite, getAtlasData: true));
}
public static Dictionary <string, Texture2D> CreateAlphaAtlasTexture()
{
Dictionary <string, Texture2D> result = new Dictionary <string, Texture2D>();
List <Entry> entries = new List <Entry>();
Material mat = new Material(Shader.Find("Unlit/Transparent"));
List <UnityEngine.Object> objects = new List <UnityEngine.Object>();
foreach (string path in AssetDatabase.FindAssets("t:sprite"))
{
objects.AddRange(AssetDatabase.LoadAllAssetRepresentationsAtPath(AssetDatabase.GUIDToAssetPath(path)));
}
Sprite[] sprites = objects.Distinct()
.Select(x => x as Sprite)
.Where(x => x != null && x.packed)
.ToArray();
foreach (Sprite sprite in sprites)
{
string atlasName;
Texture2D atlasTexture;
Packer.GetAtlasDataForSprite(sprite, out atlasName, out atlasTexture);
Texture2D texture = SpriteUtility.GetSpriteTexture(sprite, false);
if (atlasTexture != null && texture != null && texture.format == TextureFormat.RGBA32)
{
entries.Add(new Entry()
{
sprite = sprite,
atlasName = atlasName,
texture = texture,
atlasTexture = atlasTexture,
uvs = SpriteUtility.GetSpriteUVs(sprite, false),
atlasUvs = SpriteUtility.GetSpriteUVs(sprite, true),
});
}
}
var atlasGroups =
from e in entries
group e by e.atlasTexture;
foreach (var atlasGroup in atlasGroups)
{
Texture tex = atlasGroup.Key;
RenderTexture rt = RenderTexture.GetTemporary(tex.width, tex.height, 0, RenderTextureFormat.ARGB32);
Graphics.SetRenderTarget(rt);
GL.Clear(true, true, Color.clear);
GL.PushMatrix();
GL.LoadOrtho();
foreach (var entry in atlasGroup)
{
mat.mainTexture = entry.texture;
mat.SetPass(0);
GL.Begin(GL.TRIANGLES);
var tris = entry.sprite.triangles;
foreach (int index in tris)
{
GL.TexCoord(entry.uvs[index]);
GL.Vertex(entry.atlasUvs[index]);
}
GL.End();
}
GL.PopMatrix();
Texture2D tex2 = new Texture2D(tex.width, tex.height, TextureFormat.RGBA32, false);
tex2.ReadPixels(new Rect(0, 0, tex.width, tex.height), 0, 0);
var colors = tex2.GetPixels32();
int count = colors.Length;
Color32[] newColors = new Color32[count];
for (int i = 0; i < count; i++)
{
byte alpha = colors[i].a;
newColors[i] = new Color32(alpha, alpha, alpha, 255);
}
tex2.SetPixels32(newColors);
tex2.Apply();
string texName = tex.name;
texName = tex.name.Substring(0, texName.LastIndexOf("-")) + "-fmt32";
result.Add(texName, tex2);
RenderTexture.ReleaseTemporary(rt);
}
return(result);
}
public static void GetInfoFromSprite(Sprite sprite, List <Vertex> texVertices, List <IndexedEdge> indexedEdges, List <int> indices)
{
texVertices.Clear();
indices.Clear();
indexedEdges.Clear();
if (sprite)
{
Vector2[] uvs = SpriteUtility.GetSpriteUVs(sprite, false);
for (int i = 0; i < uvs.Length; ++i)
{
Vector2 texCoord = new Vector2(uvs[i].x * sprite.texture.width,
uvs[i].y * sprite.texture.height);
texVertices.Add(new Vertex(texCoord));
}
ushort[] l_indices = sprite.triangles;
for (int i = 0; i < l_indices.Length; ++i)
{
indices.Add((int)l_indices[i]);
}
HashSet <Edge> edgesSet = new HashSet <Edge>();
for (int i = 0; i < indices.Count; i += 3)
{
int index1 = indices[i];
int index2 = indices[i + 1];
int index3 = indices[i + 2];
Edge edge1 = new Edge(texVertices[index1], texVertices[index2]);
Edge edge2 = new Edge(texVertices[index2], texVertices[index3]);
Edge edge3 = new Edge(texVertices[index1], texVertices[index3]);
if (edgesSet.Contains(edge1))
{
edgesSet.Remove(edge1);
}
else
{
edgesSet.Add(edge1);
}
if (edgesSet.Contains(edge2))
{
edgesSet.Remove(edge2);
}
else
{
edgesSet.Add(edge2);
}
if (edgesSet.Contains(edge3))
{
edgesSet.Remove(edge3);
}
else
{
edgesSet.Add(edge3);
}
}
foreach (Edge edge in edgesSet)
{
indexedEdges.Add(new IndexedEdge(texVertices.IndexOf(edge.vertex1),
texVertices.IndexOf(edge.vertex2)));
}
}
}
void OnWizardCreate()
{
mySprites = Selection.GetFiltered <SpriteRenderer>(SelectionMode.Unfiltered);
//EndObject part
var go = GameObject.CreatePrimitive(PrimitiveType.Quad);
go.name = "TileGroup";
DestroyImmediate(go.GetComponent <MeshCollider>());
var filter = go.GetComponent <MeshFilter>();
var renderer = go.GetComponent <MeshRenderer>();
/* esta parte da warnings, paso...
* var mat = AssetDatabase.GetBuiltinExtraResource<Material>("Sprites-Default.mat");
* renderer.sharedMaterial = maty;
* renderer.sharedMaterial.enableInstancing = true;
*/
Mesh finalMesh = new Mesh();
var combineList = new CombineInstance[mySprites.Length];
for (int i = 0; i < mySprites.Length; i++)
{
var spr = mySprites[i].sprite;
Mesh result = new Mesh();
//verts
var verts = spr.vertices;
var verts3d = new Vector3[verts.Length];
for (int j = 0; j < verts.Length; j++)
{
verts3d[j] = verts[j];
}
result.vertices = verts3d;
// uvs
result.uv = SpriteUtility.GetSpriteUVs(spr, false);
// colors and normals
var colors = new Color[result.vertices.Length];
var normals = new Vector3[result.vertices.Length];
for (int j = 0; j < colors.Length; j++)
{
colors[j] = mySprites[i].color;
normals[j] = Vector3.back;
}
result.colors = colors;
result.normals = normals;
// indicies
var indicies2d = spr.triangles;
var indicies = new int[indicies2d.Length];
for (int j = 0; j < indicies.Length; j++)
{
indicies[j] = indicies2d[j];
}
// finish it up
result.SetIndices(indicies, MeshTopology.Triangles, 0);
//
combineList[i].mesh = result;
}
finalMesh.CombineMeshes(combineList);
}
private void FindAllEntries(BuildTarget buildTarget,
List <SpriteEntry> spriteEntries, List <AtlasEntry> atlasEntries)
{
var platformString = GetPlatformString(buildTarget);
foreach (var guid in AssetDatabase.FindAssets("t:Texture"))
{
var path = AssetDatabase.GUIDToAssetPath(guid);
var importer = AssetImporter.GetAtPath(path) as TextureImporter;
if (importer == null)
{
continue;
}
// 获取sprite列表
var sprites = AssetDatabase.LoadAllAssetRepresentationsAtPath(path)
.Distinct()
.OfType <Sprite>()
.Where(x => x.packed)
.ToArray();
for (var i = 0; i < sprites.Length; ++i)
{
var sprite = sprites[i];
Texture2D atlasTexture;
string atlasName;
Packer.GetAtlasDataForSprite(sprite, out atlasName, out atlasTexture);
if (atlasTexture != null)
{
var entry = new SpriteEntry
{
Path = path,
Sprite = sprite,
Importer = importer,
Texture = SpriteUtility.GetSpriteTexture(sprite, false),
AtlasName = atlasName,
Uvs = SpriteUtility.GetSpriteUVs(sprite, false),
AtlasUvs = SpriteUtility.GetSpriteUVs(sprite, true),
AtlasTexture = atlasTexture,
};
spriteEntries.Add(entry);
}
}
}
// 获取atlas列表
var atlasGroups =
from e in spriteEntries
group e by e.AtlasTexture;
foreach (var atlasGroup in atlasGroups)
{
var tex = atlasGroup.Key;
var texName = tex.name;
// 检查是否需要分离alpha通道
var atlasName = string.Empty;
var needSeparateAlpha = false;
foreach (var spriteEntry in atlasGroup)
{
var importer = spriteEntry.Importer;
atlasName = importer.spritePackingTag;
if (!string.IsNullOrEmpty(atlasName))
{
var settings = importer.GetPlatformTextureSettings(platformString);
var format = settings.format;
if (format == TextureImporterFormat.Automatic)
{
format = importer.GetAutomaticFormat(platformString);
}
needSeparateAlpha = TextureUtility.IsTransparent(format);
}
}
if (CustomAtlasConfig.ShouldKeepAlpha(atlasName))
{
needSeparateAlpha = false;
}
var entry = new AtlasEntry
{
Name = texName,
Texture = tex,
SpriteEntries = atlasGroup.ToList(),
NeedSeparateAlpha = needSeparateAlpha,
};
atlasEntries.Add(entry);
}
}
