Files
OpenRA/OpenRA.Game/Widgets/MapPreviewWidget.cs
2010-07-14 12:06:07 +12:00

121 lines
3.5 KiB
C#
Executable File

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using OpenRA.Graphics;
using System.Drawing;
using OpenRA.FileFormats;
namespace OpenRA.Widgets
{
class MapPreviewWidget : Widget
{
Sheet mapChooserSheet;
Sprite mapChooserSprite;
bool mapPreviewDirty = true;
MapStub lastMap;
public Func<MapStub> Map = () => {return null;};
public Action<int> OnSpawnClick = spawn => {};
public Func<Dictionary<int2,Color>> SpawnColors = () => {return new Dictionary<int2, Color>(); };
public MapPreviewWidget() : base() { }
public MapPreviewWidget(Widget other)
: base(other)
{
lastMap = (other as MapPreviewWidget).lastMap;
Map = (other as MapPreviewWidget).Map;
OnSpawnClick = (other as MapPreviewWidget).OnSpawnClick;
SpawnColors = (other as MapPreviewWidget).SpawnColors;
}
static Sprite UnownedSpawn = null;
static Sprite OwnedSpawn = null;
const int closeEnough = 50;
public override bool HandleInput(MouseInput mi)
{
var map = Map();
if (map == null)
return false;
if (mi.Event == MouseInputEvent.Down && mi.Button == MouseButton.Left)
{
var p = map.Waypoints
.Select((sp, i) => Pair.New(map.ConvertToPreview(sp.Value, RenderBounds), i))
.Where(a => (a.First - mi.Location).LengthSquared < closeEnough)
.Select(a => a.Second + 1)
.FirstOrDefault();
OnSpawnClick(p);
return true;
}
return false;
}
public override Widget Clone() { return new MapPreviewWidget(this); }
public override void DrawInner( World world )
{
if (UnownedSpawn == null)
UnownedSpawn = ChromeProvider.GetImage(Game.chrome.renderer, "spawnpoints", "unowned");
if (OwnedSpawn == null)
OwnedSpawn = ChromeProvider.GetImage(Game.chrome.renderer, "spawnpoints", "owned");
var map = Map();
if( map == null ) return;
if (lastMap != map)
{
mapPreviewDirty = true;
lastMap = map;
}
var mapRect = map.PreviewBounds( RenderBounds );
if( mapPreviewDirty )
{
if( mapChooserSheet == null || mapChooserSheet.Size.Width != map.Width || mapChooserSheet.Size.Height != map.Height )
mapChooserSheet = new Sheet( Game.renderer, new Size( map.Width, map.Height ) );
mapChooserSheet.Texture.SetData( map.Preview.Value );
mapChooserSprite = new Sprite( mapChooserSheet, new Rectangle( 0, 0, map.Width, map.Height ), TextureChannel.Alpha );
mapPreviewDirty = false;
}
Game.chrome.renderer.RgbaSpriteRenderer.DrawSprite( mapChooserSprite,
new float2( mapRect.Location ),
"chrome",
new float2( mapRect.Size ) );
DrawSpawnPoints( map, world );
}
void DrawSpawnPoints(MapStub map, World world)
{
var colors = SpawnColors();
foreach (var p in map.SpawnPoints)
{
var pos = map.ConvertToPreview(p, RenderBounds);
var sprite = UnownedSpawn;
var offset = new int2(-UnownedSpawn.bounds.Width/2, -UnownedSpawn.bounds.Height/2);
if (colors.ContainsKey(p))
{
sprite = OwnedSpawn;
offset = new int2(-OwnedSpawn.bounds.Width/2, -OwnedSpawn.bounds.Height/2);
Game.chrome.lineRenderer.FillRect(new RectangleF(
Game.viewport.Location.X + pos.X + offset.X + 2,
Game.viewport.Location.Y + pos.Y + offset.Y + 2,
12, 12), colors[p]);
}
Game.chrome.renderer.RgbaSpriteRenderer.DrawSprite(sprite, pos + offset, "chrome");
}
Game.chrome.lineRenderer.Flush();
Game.chrome.renderer.RgbaSpriteRenderer.Flush();
}
}
}