90 lines
2.3 KiB
C#
90 lines
2.3 KiB
C#
#region Copyright & License Information
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/*
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* Copyright 2007-2011 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.Linq;
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using OpenRA.FileFormats;
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using OpenRA.FileFormats.Graphics;
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using OpenRA.Traits;
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namespace OpenRA.Graphics
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{
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public class HardwarePalette
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{
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public const int MaxPalettes = 256;
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int allocated = 0;
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public ITexture Texture { get; private set; }
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Dictionary<string, Palette> palettes;
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Dictionary<string, int> indices;
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Dictionary<string, bool> allowsMods;
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public HardwarePalette()
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{
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palettes = new Dictionary<string, Palette>();
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indices = new Dictionary<string, int>();
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allowsMods = new Dictionary<string, bool>();
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Texture = Game.Renderer.Device.CreateTexture();
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}
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public Palette GetPalette(string name)
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{
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Palette ret;
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if (!palettes.TryGetValue(name,out ret))
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throw new InvalidOperationException("Palette `{0}` does not exist".F(name));
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return ret;
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}
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public int GetPaletteIndex(string name)
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{
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int ret;
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if (!indices.TryGetValue(name,out ret))
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throw new InvalidOperationException("Palette `{0}` does not exist".F(name));
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return ret;
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}
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public void AddPalette(string name, Palette p, bool allowModifiers)
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{
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if (palettes.ContainsKey(name))
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throw new InvalidOperationException("Palette {0} has already been defined".F(name));
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palettes.Add(name, p);
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indices.Add(name, allocated++);
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allowsMods.Add(name, allowModifiers);
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}
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uint[,] data = new uint[MaxPalettes, 256];
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public void ApplyModifiers(IEnumerable<IPaletteModifier> paletteMods)
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{
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var copy = palettes.ToDictionary(p => p.Key, p => new Palette(p.Value));
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var modifiable = copy.Where(p => allowsMods[p.Key]).ToDictionary(p => p.Key, p => p.Value);
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foreach (var mod in paletteMods)
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mod.AdjustPalette(modifiable);
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foreach (var pal in copy)
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{
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var j = indices[pal.Key];
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var c = pal.Value.Values;
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for (var i = 0; i < 256; i++)
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data[j,i] = c[i];
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}
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Texture.SetData(data);
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}
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public void Initialize()
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{
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ApplyModifiers(new IPaletteModifier[] {});
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}
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}
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}
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