Files
OpenRA/OpenRA.Mods.RA/World/BuildableTerrainLayer.cs
2014-06-27 23:30:40 +12:00

78 lines
1.9 KiB
C#

#region Copyright & License Information
/*
* Copyright 2007-2014 The OpenRA Developers (see AUTHORS)
* This file is part of OpenRA, which is free software. It is made
* available to you under the terms of the GNU General Public License
* as published by the Free Software Foundation. For more information,
* see COPYING.
*/
#endregion
using System.Collections.Generic;
using OpenRA.Graphics;
using OpenRA.Traits;
namespace OpenRA.Mods.RA
{
public class BuildableTerrainLayerInfo : TraitInfo<BuildableTerrainLayer> { }
public class BuildableTerrainLayer : IRenderOverlay, IWorldLoaded, ITickRender
{
Dictionary<CPos, Sprite> tiles;
Dictionary<CPos, Sprite> dirty;
Theater theater;
TileSet tileset;
Map map;
public void WorldLoaded(World w, WorldRenderer wr)
{
theater = wr.Theater;
tileset = w.TileSet;
map = w.Map;
tiles = new Dictionary<CPos, Sprite>();
dirty = new Dictionary<CPos, Sprite>();
}
public void AddTile(CPos cell, TerrainTile tile)
{
map.CustomTerrain[cell] = tileset.GetTerrainIndex(tile);
// Terrain tiles define their origin at the topleft
var s = theater.TileSprite(tile);
dirty[cell] = new Sprite(s.sheet, s.bounds, float2.Zero, s.channel, s.blendMode);
}
public void TickRender(WorldRenderer wr, Actor self)
{
var remove = new List<CPos>();
foreach (var kv in dirty)
{
if (!self.World.FogObscures(kv.Key))
{
tiles[kv.Key] = kv.Value;
remove.Add(kv.Key);
}
}
foreach (var r in remove)
dirty.Remove(r);
}
public void Render(WorldRenderer wr)
{
var pal = wr.Palette("terrain");
foreach (var kv in tiles)
{
if (!wr.Viewport.VisibleCells.Contains(kv.Key))
continue;
if (wr.world.ShroudObscures(kv.Key))
continue;
new SpriteRenderable(kv.Value, wr.world.Map.CenterOfCell(kv.Key),
WVec.Zero, -511, pal, 1f, true).Render(wr);
}
}
}
}