public CustomTerrainRenderer(World world)
{
map = world.Map;
terrainInfo = map.Rules.TerrainInfo as CustomTerrain;
if (terrainInfo == null)
{
throw new InvalidDataException("CustomTerrainRenderer can only be used with the CustomTerrain parser");
}
tileCache = new CustomTileCache(terrainInfo);
}
public CustomTileCache(CustomTerrain terrainInfo, Action <uint, string> onMissingImage = null)
{
sheetBuilders = new Cache <SheetType, SheetBuilder>(t => new SheetBuilder(t, terrainInfo.SheetSize));
random = new MersenneTwister();
var frameCache = new FrameCache(Game.ModData.DefaultFileSystem, Game.ModData.SpriteLoaders);
foreach (var t in terrainInfo.Templates)
{
var variants = new List <Sprite[]>();
var templateInfo = (CustomTerrainTemplateInfo)t.Value;
for (var ii = 0; ii < templateInfo.Images.Length; ii++)
{
var i = templateInfo.Images[ii];
ISpriteFrame[] allFrames;
if (onMissingImage != null)
{
try
{
allFrames = frameCache[i];
}
catch (FileNotFoundException)
{
onMissingImage(t.Key, i);
continue;
}
}
else
{
allFrames = frameCache[i];
}
var frameCount = allFrames.Length;
var indices = templateInfo.Frames != null ? templateInfo.Frames : Exts.MakeArray(t.Value.TilesCount, j => j);
var start = indices.Min();
var end = indices.Max();
if (start < 0 || end >= frameCount)
{
throw new YamlException("Template `{0}` uses frames [{1}..{2}] of {3}, but only [0..{4}] actually exist"
.F(t.Key, start, end, i, frameCount - 1));
}
variants.Add(indices.Select(j =>
{
var f = allFrames[j];
var tile = t.Value.Contains(j) ? (CustomTerrainTileInfo)t.Value[j] : null;
// The internal z axis is inverted from expectation (negative is closer)
var zOffset = tile != null ? -tile.ZOffset : 0;
var zRamp = tile != null ? tile.ZRamp : 1f;
var offset = new float3(f.Offset, zOffset);
var type = SheetBuilder.FrameTypeToSheetType(f.Type);
var s = sheetBuilders[type].Allocate(f.Size, zRamp, offset);
Util.FastCopyIntoChannel(s, f.Data, f.Type);
return(s);
}).ToArray());
}
var allSprites = variants.SelectMany(s => s);
// Ignore the offsets baked into sprites
if (terrainInfo.IgnoreTileSpriteOffsets)
{
allSprites = allSprites.Select(s => new Sprite(s.Sheet, s.Bounds, s.ZRamp, new float3(float2.Zero, s.Offset.Z), s.Channel, s.BlendMode));
}
if (onMissingImage != null && !variants.Any())
{
continue;
}
templates.Add(t.Value.Id, new TheaterTemplate(allSprites.ToArray(), variants.First().Length, templateInfo.Images.Length));
}
// 1x1px transparent tile
var missingDataLength = 1;
var missingFrameType = SpriteFrameType.Indexed8;
var missingSheetType = SheetType.Indexed;
missingTile = sheetBuilders[missingSheetType].Add(new byte[missingDataLength], missingFrameType, new Size(1, 1));
foreach (var sb in sheetBuilders.Values)
{
sb.Current.ReleaseBuffer();
}
}