Files
OpenRA/OpenRa.Game/Graphics/Minimap.cs
2010-01-17 09:30:53 +13:00

128 lines
4.0 KiB
C#

using System;
using System.Drawing;
using System.Linq;
using OpenRa.Traits;
using OpenRa.FileFormats;
using System.Drawing.Imaging;
namespace OpenRa.Graphics
{
class Minimap
{
Sheet sheet, mapOnlySheet;
SpriteRenderer rgbaRenderer;
Sprite sprite, mapOnlySprite;
Bitmap terrain, oreLayer;
const int alpha = 230;
public void Tick() { }
public Minimap(Renderer r)
{
sheet = new Sheet(r, new Size(128, 128));
mapOnlySheet = new Sheet(r, new Size(128, 128));
rgbaRenderer = new SpriteRenderer(r, true, r.RgbaSpriteShader);
var size = Math.Max(Rules.Map.Width, Rules.Map.Height);
var dw = (size - Rules.Map.Width) / 2;
var dh = (size - Rules.Map.Height) / 2;
sprite = new Sprite(sheet, new Rectangle(Rules.Map.Offset.X+dw, Rules.Map.Offset.Y+dh, size, size), TextureChannel.Alpha);
mapOnlySprite = new Sprite(mapOnlySheet, new Rectangle(Rules.Map.Offset.X + dw, Rules.Map.Offset.Y + dh, size, size), TextureChannel.Alpha);
}
Color[] terrainTypeColors;
Color[] playerColors;
Color shroudColor;
public void InvalidateOre() { oreLayer = null; }
public void Update()
{
if (terrainTypeColors == null)
{
var pal = new Palette(FileSystem.Open(Rules.Map.Theater + ".pal"));
terrainTypeColors = new[] {
Color.FromArgb(alpha, pal.GetColor(0x1a)),
Color.FromArgb(alpha, pal.GetColor(0x63)),
Color.FromArgb(alpha, pal.GetColor(0x2f)),
Color.FromArgb(alpha, pal.GetColor(0x1f)),
Color.FromArgb(alpha, pal.GetColor(0x14)),
Color.FromArgb(alpha, pal.GetColor(0x64)),
Color.FromArgb(alpha, pal.GetColor(0x1f)),
Color.FromArgb(alpha, pal.GetColor(0x68)),
Color.FromArgb(alpha, pal.GetColor(0x6b)),
Color.FromArgb(alpha, pal.GetColor(0x6d)),
};
playerColors = Util.MakeArray<Color>( 8, b => Color.FromArgb(alpha, Chat.paletteColors[b]) );
shroudColor = Color.FromArgb(alpha, Color.Black);
}
if (terrain == null)
{
terrain = new Bitmap(128, 128);
for (var y = 0; y < 128; y++)
for (var x = 0; x < 128; x++)
terrain.SetPixel(x, y, Rules.Map.IsInMap(x, y)
? terrainTypeColors[Rules.TileSet.GetWalkability(Rules.Map.MapTiles[x, y])]
: shroudColor);
}
if (oreLayer == null)
{
oreLayer = new Bitmap(terrain);
for (var y = 0; y < 128; y++)
for (var x = 0; x < 128; x++)
if (Rules.Map.ContainsResource(new int2(x, y)))
oreLayer.SetPixel(x, y, terrainTypeColors[(int)TerrainMovementType.Ore]);
}
mapOnlySheet.Texture.SetData(oreLayer);
if (!Game.world.Actors.Any(a => a.Owner == Game.LocalPlayer && a.traits.Contains<ProvidesRadar>()))
return;
var bitmap = new Bitmap(oreLayer);
var bitmapData = bitmap.LockBits(new Rectangle( 0,0,bitmap.Width, bitmap.Height ),
ImageLockMode.WriteOnly, PixelFormat.Format32bppArgb);
unsafe
{
int* c = (int*)bitmapData.Scan0;
for (var y = 0; y < 128; y++)
for (var x = 0; x < 128; x++)
{
var b = Game.BuildingInfluence.GetBuildingAt(new int2(x, y));
if (b != null)
*(c + (y * bitmapData.Stride >> 2) + x) =
(b.Owner != null ? playerColors[(int)b.Owner.Palette] : terrainTypeColors[4]).ToArgb();
}
foreach (var a in Game.world.Actors.Where(a => a.traits.Contains<Unit>()))
*(c + (a.Location.Y * bitmapData.Stride >> 2) + a.Location.X) =
playerColors[(int)a.Owner.Palette].ToArgb();
unchecked
{
for (var y = 0; y < 128; y++)
for (var x = 0; x < 128; x++)
if (!Game.LocalPlayer.Shroud.DisplayOnRadar(x, y))
*(c + (y * bitmapData.Stride >> 2) + x) = shroudColor.ToArgb();
}
}
bitmap.UnlockBits(bitmapData);
sheet.Texture.SetData(bitmap);
}
public void Draw(RectangleF rect, bool mapOnly)
{
rgbaRenderer.DrawSprite(mapOnly ? mapOnlySprite : sprite,
new float2(rect.X, rect.Y), PaletteType.Chrome, new float2(rect.Width, rect.Height));
rgbaRenderer.Flush();
}
}
}