118 lines
3.2 KiB
C#
118 lines
3.2 KiB
C#
#region Copyright & License Information
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/*
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* Copyright 2007-2014 The OpenRA Developers (see AUTHORS)
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* This file is part of OpenRA, which is free software. It is made
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* available to you under the terms of the GNU General Public License
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* as published by the Free Software Foundation. For more information,
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* see COPYING.
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*/
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#endregion
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using System;
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using System.Collections.Generic;
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using System.Drawing;
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using System.Drawing.Imaging;
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using System.Linq;
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using OpenRA.FileSystem;
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using OpenRA.Graphics;
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namespace OpenRA.Editor
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{
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public class TileSetRenderer
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{
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public readonly int TileSize;
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public TileSet TileSet;
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Dictionary<ushort, byte[][]> templates;
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// Extract a square tile that the editor can render
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byte[] ExtractSquareTile(ISpriteFrame frame)
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{
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var data = new byte[TileSize * TileSize];
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// Invalid tile size: return blank tile
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if (frame.Size.Width < TileSize || frame.Size.Height < TileSize)
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return new byte[0];
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var frameData = frame.Data;
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var xOffset = (frame.Size.Width - TileSize) / 2;
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var yOffset = (frame.Size.Height - TileSize) / 2;
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for (var y = 0; y < TileSize; y++)
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for (var x = 0; x < TileSize; x++)
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data[y * TileSize + x] = frameData[(yOffset + y) * frame.Size.Width + x + xOffset];
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return data;
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}
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public TileSetRenderer(TileSet tileset, Size tileSize)
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{
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this.TileSet = tileset;
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this.TileSize = Math.Min(tileSize.Width, tileSize.Height);
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templates = new Dictionary<ushort, byte[][]>();
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var frameCache = new FrameCache(Game.modData.SpriteLoaders, tileset.Extensions);
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foreach (var t in tileset.Templates)
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{
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var allFrames = frameCache[t.Value.Image];
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var frames = t.Value.Frames != null ? t.Value.Frames.Select(f => allFrames[f]).ToArray() : allFrames;
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templates.Add(t.Value.Id, frames.Select(f => ExtractSquareTile(f)).ToArray());
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}
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}
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public Bitmap RenderTemplate(ushort id, IPalette p)
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{
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var template = TileSet.Templates[id];
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var templateData = templates[id];
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var bitmap = new Bitmap(TileSize * template.Size.X, TileSize * template.Size.Y,
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PixelFormat.Format8bppIndexed);
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bitmap.Palette = p.AsSystemPalette();
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var data = bitmap.LockBits(bitmap.Bounds(),
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ImageLockMode.WriteOnly, PixelFormat.Format8bppIndexed);
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unsafe
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{
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var q = (byte*)data.Scan0.ToPointer();
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var stride = data.Stride;
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for (var u = 0; u < template.Size.X; u++)
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{
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for (var v = 0; v < template.Size.Y; v++)
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{
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var rawImage = templateData[u + v * template.Size.X];
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if (rawImage != null && rawImage.Length > 0)
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{
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for (var i = 0; i < TileSize; i++)
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for (var j = 0; j < TileSize; j++)
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q[(v * TileSize + j) * stride + u * TileSize + i] = rawImage[i + TileSize * j];
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}
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else
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{
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for (var i = 0; i < TileSize; i++)
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for (var j = 0; j < TileSize; j++)
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q[(v * TileSize + j) * stride + u * TileSize + i] = 0;
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}
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}
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}
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}
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bitmap.UnlockBits(data);
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return bitmap;
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}
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public byte[][] Data(ushort id)
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{
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byte[][] template;
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if (!templates.TryGetValue(id, out template))
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{
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Console.WriteLine("warning: Unknown tile template {0}", id);
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return null;
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}
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return template;
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}
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}
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}
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