1 #region Copyright & License Information 2 /* 3 * Copyright 2007-2020 The OpenRA Developers (see AUTHORS) 4 * This file is part of OpenRA, which is free software. It is made 5 * available to you under the terms of the GNU General Public License 6 * as published by the Free Software Foundation, either version 3 of 7 * the License, or (at your option) any later version. For more 8 * information, see COPYING. 9 */ 10 #endregion 11 12 using System; 13 using OpenRA.Graphics; 14 using OpenRA.Primitives; 15 using OpenRA.Widgets; 16 17 namespace OpenRA.Mods.Common.Widgets 18 { 19 public class TerrainTemplatePreviewWidget : Widget 20 { 21 public Func<float> GetScale = () => 1f; 22 23 readonly WorldRenderer worldRenderer; 24 readonly TileSet tileset; 25 26 TerrainTemplateInfo template; 27 Rectangle bounds; 28 29 public TerrainTemplateInfo Template 30 { 31 get 32 { 33 return template; 34 } 35 36 set 37 { 38 template = value; 39 if (template == null) 40 return; 41 42 var grid = Game.ModData.Manifest.Get<MapGrid>(); 43 bounds = worldRenderer.Theater.TemplateBounds(template, grid.TileSize, grid.Type); 44 } 45 } 46 47 [ObjectCreator.UseCtor] TerrainTemplatePreviewWidget(WorldRenderer worldRenderer, World world)48 public TerrainTemplatePreviewWidget(WorldRenderer worldRenderer, World world) 49 { 50 this.worldRenderer = worldRenderer; 51 tileset = world.Map.Rules.TileSet; 52 } 53 TerrainTemplatePreviewWidget(TerrainTemplatePreviewWidget other)54 protected TerrainTemplatePreviewWidget(TerrainTemplatePreviewWidget other) 55 : base(other) 56 { 57 worldRenderer = other.worldRenderer; 58 tileset = other.worldRenderer.World.Map.Rules.TileSet; 59 Template = other.Template; 60 GetScale = other.GetScale; 61 } 62 Clone()63 public override Widget Clone() { return new TerrainTemplatePreviewWidget(this); } 64 Draw()65 public override void Draw() 66 { 67 if (template == null) 68 return; 69 70 var grid = Game.ModData.Manifest.Get<MapGrid>(); 71 var ts = grid.TileSize; 72 var gridType = grid.Type; 73 var scale = GetScale(); 74 75 var sb = new Rectangle((int)(scale * bounds.X), (int)(scale * bounds.Y), (int)(scale * bounds.Width), (int)(scale * bounds.Height)); 76 var origin = RenderOrigin + new int2((RenderBounds.Size.Width - sb.Width) / 2 - sb.X, (RenderBounds.Size.Height - sb.Height) / 2 - sb.Y); 77 78 var i = 0; 79 for (var y = 0; y < Template.Size.Y; y++) 80 { 81 for (var x = 0; x < Template.Size.X; x++) 82 { 83 var tile = new TerrainTile(Template.Id, (byte)(i++)); 84 var tileInfo = tileset.GetTileInfo(tile); 85 86 // Empty tile 87 if (tileInfo == null) 88 continue; 89 90 var sprite = worldRenderer.Theater.TileSprite(tile, 0); 91 var size = new float2(sprite.Size.X * scale, sprite.Size.Y * scale); 92 93 var u = gridType == MapGridType.Rectangular ? x : (x - y) / 2f; 94 var v = gridType == MapGridType.Rectangular ? y : (x + y) / 2f; 95 var pos = origin + scale * (new float2(u * ts.Width, (v - 0.5f * tileInfo.Height) * ts.Height) - 0.5f * sprite.Size); 96 var palette = Template.Palette ?? TileSet.TerrainPaletteInternalName; 97 Game.Renderer.SpriteRenderer.DrawSprite(sprite, pos, worldRenderer.Palette(palette), size); 98 } 99 } 100 } 101 } 102 } 103