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Optimise actor radar rendering for another significant perf win.

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This commit is contained in:
Paul Chote
2014-12-04 21:18:18 +13:00
parent 5e402e95cb
commit af9a74ddd4
1 changed files with 29 additions and 3 deletions
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32
OpenRA.Mods.Common/Widgets/RadarWidget.cs
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@@ -77,8 +77,8 @@ namespace OpenRA.Mods.Common.Widgets
radarData = radarSheet.GetData();
terrainSprite = new Sprite(radarSheet, new Rectangle(0, 0, width, height), TextureChannel.Alpha);
shroudSprite = new Sprite(radarSheet, new Rectangle(width, 0, width, height), TextureChannel.Alpha);
actorSprite = new Sprite(radarSheet, new Rectangle(0, height, width, height), TextureChannel.Alpha);
shroudSprite = new Sprite(radarSheet, new Rectangle(width, height, width, height), TextureChannel.Alpha);
// Set initial terrain data
using (var bitmap = Minimap.TerrainBitmap(world.TileSet, world.Map))
@@ -271,8 +271,34 @@ namespace OpenRA.Mods.Common.Widgets
}
// The actor layer is updated every tick
using (var bitmap = Minimap.ActorsBitmap(world))
OpenRA.Graphics.Util.FastCopyIntoSprite(actorSprite, bitmap);
var stride = radarSheet.Size.Width;
var dx = actorSprite.bounds.Left - world.Map.Bounds.Left;
var dy = actorSprite.bounds.Top - world.Map.Bounds.Top;
Array.Clear(radarData, 4 * (actorSprite.bounds.Top * stride + actorSprite.bounds.Left), 4 * actorSprite.bounds.Height * stride);
unsafe
{
fixed (byte* _colors = &radarData[0])
{
var colors = (int*)_colors;
foreach (var t in world.ActorsWithTrait<IRadarSignature>())
{
if (!t.Actor.IsInWorld || world.FogObscures(t.Actor))
continue;
var color = t.Trait.RadarSignatureColor(t.Actor);
foreach (var cell in t.Trait.RadarSignatureCells(t.Actor))
{
var uv = Map.CellToMap(world.Map.TileShape, cell);
if (world.Map.Bounds.Contains(uv.X, uv.Y))
colors[(uv.Y + dy) * stride + uv.X + dx] = color.ToArgb();
}
}
}
}
radarSheet.CommitData();
}