Files
OpenRA/OpenRA.Mods.Common/Widgets/TerrainTemplatePreviewWidget.cs
2014-11-05 09:39:55 +13:00

104 lines
2.9 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;
using System.Drawing;
using System.Linq;
using OpenRA.FileFormats;
using OpenRA.Graphics;
using OpenRA.Widgets;
namespace OpenRA.Mods.Common.Widgets
{
public class TerrainTemplatePreviewWidget : Widget
{
public Func<float> GetScale = () => 1f;
public string Palette = "terrain";
readonly WorldRenderer worldRenderer;
readonly TileSet tileset;
TerrainTemplateInfo template;
Rectangle bounds;
public TerrainTemplateInfo Template
{
get
{
return template;
}
set
{
template = value;
if (template == null)
return;
var ts = Game.modData.Manifest.TileSize;
var shape = Game.modData.Manifest.TileShape;
bounds = worldRenderer.Theater.TemplateBounds(template, ts, shape);
}
}
[ObjectCreator.UseCtor]
public TerrainTemplatePreviewWidget(WorldRenderer worldRenderer, World world)
{
this.worldRenderer = worldRenderer;
tileset = world.Map.Rules.TileSets[world.Map.Tileset];
}
protected TerrainTemplatePreviewWidget(TerrainTemplatePreviewWidget other)
: base(other)
{
worldRenderer = other.worldRenderer;
tileset = other.worldRenderer.world.Map.Rules.TileSets[other.worldRenderer.world.Map.Tileset];
Template = other.Template;
GetScale = other.GetScale;
}
public override Widget Clone() { return new TerrainTemplatePreviewWidget(this); }
public override void Draw()
{
if (template == null)
return;
var ts = Game.modData.Manifest.TileSize;
var shape = Game.modData.Manifest.TileShape;
var scale = GetScale();
var sb = new Rectangle((int)(scale * bounds.X), (int)(scale * bounds.Y), (int)(scale * bounds.Width), (int)(scale * bounds.Height));
var origin = RenderOrigin + new int2((RenderBounds.Size.Width - sb.Width) / 2 - sb.X, (RenderBounds.Size.Height - sb.Height) / 2 - sb.Y);
var i = 0;
for (var y = 0; y < Template.Size.Y; y++)
{
for (var x = 0; x < Template.Size.X; x++)
{
var tile = new TerrainTile(Template.Id, (byte)(i++));
var tileInfo = tileset.GetTileInfo(tile);
// Empty tile
if (tileInfo == null)
continue;
var sprite = worldRenderer.Theater.TileSprite(tile);
var size = new float2(sprite.size.X * scale, sprite.size.Y * scale);
var u = shape == TileShape.Rectangle ? x : (x - y) / 2f;
var v = shape == TileShape.Rectangle ? y : (x + y) / 2f;
var pos = origin + scale * (new float2(u * ts.Width, (v - 0.5f * tileInfo.Height) * ts.Height) - 0.5f * sprite.size);
Game.Renderer.SpriteRenderer.DrawSprite(sprite, pos, worldRenderer.Palette(Palette), size);
}
}
}
}
}