public override void Load(IResourceCache cache, ResourcePath path)
{
var clyde = IoCManager.Resolve <IClyde>();
var loadStepData = new LoadStepData {
Path = path
};
LoadPreTexture(cache, loadStepData);
// Load atlas.
LoadTexture(clyde, loadStepData);
LoadPostTexture(loadStepData);
LoadFinish(cache, loadStepData);
loadStepData.AtlasSheet.Dispose();
}
internal static void LoadPreTexture(IResourceCache cache, LoadStepData data)
{
var metadata = LoadRsiMetadata(cache, data.Path);
var stateCount = metadata.States.Length;
var toAtlas = new StateReg[stateCount];
var frameSize = metadata.Size;
var rsi = new RSI(frameSize, data.Path, metadata.States.Length);
var callbackOffsets = new Dictionary <RSI.StateId, Vector2i[][]>(stateCount);
// Check for duplicate states
for (var i = 0; i < metadata.States.Length; i++)
{
var stateId = metadata.States[i].StateId;
for (int j = i + 1; j < metadata.States.Length; j++)
{
if (stateId == metadata.States[j].StateId)
{
throw new RSILoadException($"RSI '{data.Path}' has a duplicate stateId '{stateId}'.");
}
}
}
// Do every state.
for (var index = 0; index < metadata.States.Length; index++)
{
ref var reg = ref toAtlas[index];
var stateObject = metadata.States[index];
// Load image from disk.
var texPath = data.Path / (stateObject.StateId + ".png");
using (var stream = cache.ContentFileRead(texPath))
{
reg.Src = Image.Load <Rgba32>(stream);
}
if (reg.Src.Width % frameSize.X != 0 || reg.Src.Height % frameSize.Y != 0)
{
var regDims = $"{reg.Src.Width}x{reg.Src.Height}";
var iconDims = $"{frameSize.X}x{frameSize.Y}";
throw new RSILoadException($"State '{stateObject.StateId}' image size ({regDims}) is not a multiple of the icon size ({iconDims}).");
}
// Load all frames into a list so we can operate on it more sanely.
reg.TotalFrameCount = stateObject.Delays.Sum(delayList => delayList.Length);
var(foldedDelays, foldedIndices) = FoldDelays(stateObject.Delays);
var textures = new Texture[foldedIndices.Length][];
var callbackOffset = new Vector2i[foldedIndices.Length][];
for (var i = 0; i < textures.Length; i++)
{
textures[i] = new Texture[foldedIndices[0].Length];
callbackOffset[i] = new Vector2i[foldedIndices[0].Length];
}
reg.Output = textures;
reg.Indices = foldedIndices;
reg.Offsets = callbackOffset;
var state = new RSI.State(frameSize, rsi, stateObject.StateId, stateObject.DirType, foldedDelays,
textures);
rsi.AddState(state);
callbackOffsets[stateObject.StateId] = callbackOffset;
}
internal static void LoadTexture(IClyde clyde, LoadStepData loadStepData)
{
loadStepData.AtlasTexture = clyde.LoadTextureFromImage(
loadStepData.AtlasSheet,
loadStepData.Path.ToString());
}
