Fix graphic corruptions by returning the max palette number to 16

OpenRa.Game/Graphics/HardwarePalette.cs

@@ -8,17 +8,18 @@ namespace OpenRa.Graphics
 {
 	class HardwarePalette : Sheet
 	{
-		const int maxEntries = 32;
+		const int maxEntries = 16;
 		int allocated = 0;
 		
 		// We need to store the Palettes themselves for the remap palettes to work
 		// We should probably try to fix this somehow
 		static Dictionary<string, Palette> palettes;
-		
+		static Dictionary<string, int> indices;
 		public HardwarePalette(Renderer renderer, Map map)
 			: base(renderer,new Size(256, maxEntries))
 		{
 			palettes = new Dictionary<string, Palette>();
+			indices = new Dictionary<string, int>();
 		}
 		
 		public Palette GetPalette(string name)
@@ -31,9 +32,20 @@ namespace OpenRa.Graphics
 			}
 		}
 
+		public int GetPaletteIndex(string name)
+		{
+			try { return indices[name]; }
+			catch (KeyNotFoundException)
+			{
+				throw new InvalidOperationException(
+					"Palette `{0}` does not exist".F(name));
+			}
+		}
+		
 		public int AddPalette(string name, Palette p)
 		{
 			palettes.Add(name, p);
+			indices.Add(name, allocated);
 			for (int i = 0; i < 256; i++)
 			{
 				this[new Point(i, allocated)] = p.GetColor(i);

OpenRa.Game/Graphics/TerrainRenderer.cs

@@ -34,9 +34,9 @@ namespace OpenRa.Graphics
 				for( int i = map.XOffset ; i < map.XOffset + map.Width; i++ )
 				{
 					Sprite tile = tileMapping[map.MapTiles[i, j]];
-					//var bar = Game.world.WorldRenderer;
-					var foo = wr.GetPaletteIndex("terrain");
-					Util.FastCreateQuad(vertices, indices, Game.CellSize * new float2(i, j), tile, foo, nv, ni, tile.size);
+					// TODO: The zero below should explicitly refer to the terrain palette, but this code is called
+					// before the palettes are created
+					Util.FastCreateQuad(vertices, indices, Game.CellSize * new float2(i, j), tile, 0, nv, ni, tile.size);
 					nv += 4;
 					ni += 6;
 				}

OpenRa.Game/Graphics/WorldRenderer.cs

@@ -35,9 +35,9 @@ namespace OpenRa.Graphics
 		// TODO: Implement
 		public int GetPaletteIndex(string name)
 		{
-			return 0;
+			return palette.GetPaletteIndex(name);
 		}
-		
+
 		public Palette GetPalette(string name)
 		{
 			return palette.GetPalette(name);