extern internal unsafe static IntPtr PackCustomSpritesInternal(int spriteCount, SpritePackDatasetInternal *data, SpritePackConfig packConfig);
internal unsafe static SpritePackDataset PackCustomSpritesWrapper(SpritePackDataset input, SpritePackConfig packConfig, Allocator alloc)
{
var output = new SpritePackDataset();
var spriteCount = input.spriteData.Count;
if (0 == spriteCount)
{
return(output);
}
var data = new NativeArray <SpritePackDatasetInternal>(spriteCount, Allocator.Temp, NativeArrayOptions.ClearMemory);
for (int i = 0; i < spriteCount; ++i)
{
SpritePackDatasetInternal rawData = data[i];
rawData.spriteData.guid = input.spriteData[i].guid;
int texIndex = input.spriteData[i].texIndex;
if (texIndex >= input.textureData.Count)
{
data.Dispose();
throw new ArgumentOutOfRangeException("texIndex", "texIndex must point to a valid index in textureData list.");
}
rawData.spriteData.texIndex = texIndex;
rawData.spriteData.indexCount = input.spriteData[i].indexCount;
rawData.spriteData.vertexCount = input.spriteData[i].vertexCount;
rawData.spriteData.rect = input.spriteData[i].rect;
rawData.spriteData.indices = input.spriteData[i].indices.IsCreated ? (IntPtr)input.spriteData[i].indices.GetUnsafePtr() : (IntPtr)0;
rawData.spriteData.vertices = input.spriteData[i].vertices.IsCreated ? (IntPtr)input.spriteData[i].vertices.GetUnsafePtr() : (IntPtr)0;
rawData.textureData.width = input.textureData[texIndex].width;
rawData.textureData.height = input.textureData[texIndex].height;
rawData.textureData.buffer = input.textureData[texIndex].buffer.IsCreated ? (IntPtr)input.textureData[texIndex].buffer.GetUnsafePtr() : (IntPtr)0;
data[i] = rawData;
}
var spriteOutput = (SpritePackDatasetInternal *)PackCustomSpritesInternal(spriteCount, (SpritePackDatasetInternal *)data.GetUnsafePtr(), packConfig);
if (null != spriteOutput)
{
var colorBufferArray = new SpritePackTextureInfo[spriteCount];
for (int i = 0; i < spriteCount; ++i)
{
SpritePackTextureInfoInternal rawBuffer = spriteOutput[i].textureData;
int index = spriteOutput[i].spriteData.texIndex;
SpritePackTextureInfo outputBuffer = colorBufferArray[index];
// New Texture. Copy.
if (!outputBuffer.buffer.IsCreated)
{
outputBuffer.width = rawBuffer.width;
outputBuffer.height = rawBuffer.height;
Color32 *rawColor = (Color32 *)rawBuffer.buffer;
if (null != rawColor)
{
outputBuffer.buffer = new NativeArray <Color32>(rawBuffer.width * rawBuffer.height, alloc);
UnsafeUtility.MemCpy(outputBuffer.buffer.GetUnsafePtr(), rawColor, rawBuffer.width * rawBuffer.height * sizeof(Color32));
}
UnsafeUtility.Free((void *)rawBuffer.buffer, Allocator.Persistent);
}
colorBufferArray[index] = outputBuffer;
}
output.textureData = new List <SpritePackTextureInfo>(colorBufferArray);
var spriteDataArray = new SpritePackInfo[spriteCount];
for (int i = 0; i < spriteCount; ++i)
{
SpritePackInfo spriteData = spriteDataArray[i];
spriteData.guid = spriteOutput[i].spriteData.guid;
spriteData.indexCount = spriteOutput[i].spriteData.indexCount;
spriteData.vertexCount = spriteOutput[i].spriteData.vertexCount;
spriteData.rect = spriteOutput[i].spriteData.rect;
if (0 != spriteData.indexCount && 0 != spriteData.vertexCount)
{
int *rawIndices = (int *)spriteOutput[i].spriteData.indices;
if (null != rawIndices)
{
spriteData.indices = new NativeArray <int>(spriteOutput[i].spriteData.indexCount, alloc);
UnsafeUtility.MemCpy(spriteData.indices.GetUnsafePtr(), rawIndices, spriteOutput[i].spriteData.indexCount * sizeof(int));
}
Vector3 *rawVertices = (Vector3 *)spriteOutput[i].spriteData.vertices;
if (null != rawVertices)
{
spriteData.vertices = new NativeArray <Vector3>(spriteOutput[i].spriteData.vertexCount, alloc);
UnsafeUtility.MemCpy(spriteData.vertices.GetUnsafePtr(), rawVertices, spriteOutput[i].spriteData.vertexCount * sizeof(Vector3));
}
UnsafeUtility.Free((void *)spriteOutput[i].spriteData.indices, Allocator.Persistent);
UnsafeUtility.Free((void *)spriteOutput[i].spriteData.vertices, Allocator.Persistent);
}
spriteData.texIndex = spriteOutput[i].spriteData.texIndex;
spriteDataArray[i] = spriteData;
}
output.spriteData = new List <SpritePackInfo>(spriteDataArray);
UnsafeUtility.Free((void *)spriteOutput, Allocator.Persistent);
}
data.Dispose();
return(output);
}
internal static SpritePackDataset PackCustomSprites(SpritePackDataset spriteDataInput, SpritePackConfig packConfig, Allocator outputAlloc)
{
return(PackCustomSpritesWrapper(spriteDataInput, packConfig, outputAlloc));
}