mirror of
https://git.do.srb2.org/STJr/UltimateZoneBuilder.git
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135 lines
3.2 KiB
C#
135 lines
3.2 KiB
C#
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#region ================== Copyright (c) 2007 Pascal vd Heiden
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/*
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* Copyright (c) 2007 Pascal vd Heiden, www.codeimp.com
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* This program is released under GNU General Public License
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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*/
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#endregion
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#region ================== Namespaces
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using System;
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using CodeImp.DoomBuilder.IO;
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using System.IO;
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#endregion
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namespace CodeImp.DoomBuilder.Data
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{
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public sealed class SpriteImage : ImageData
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{
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#region ================== Variables
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protected int offsetx;
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protected int offsety;
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#endregion
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#region ================== Properties
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public int OffsetX { get { return offsetx; } }
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public int OffsetY { get { return offsety; } }
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#endregion
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#region ================== Constructor / Disposer
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// Constructor
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internal SpriteImage(string name)
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{
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// Initialize
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SetName(name);
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// We have no destructor
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GC.SuppressFinalize(this);
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}
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#endregion
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#region ================== Methods
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// This loads the image
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protected override void LocalLoadImage()
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{
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Stream lumpdata;
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MemoryStream mem;
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IImageReader reader;
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byte[] membytes;
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// Leave when already loaded
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if(this.IsImageLoaded) return;
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lock(this)
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{
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// Get the lump data stream
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lumpdata = General.Map.Data.GetSpriteData(Name);
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if(lumpdata != null)
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{
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// Copy lump data to memory
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lumpdata.Seek(0, SeekOrigin.Begin);
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membytes = new byte[(int)lumpdata.Length];
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lumpdata.Read(membytes, 0, (int)lumpdata.Length);
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mem = new MemoryStream(membytes);
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mem.Seek(0, SeekOrigin.Begin);
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// Get a reader for the data
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reader = ImageDataFormat.GetImageReader(mem, ImageDataFormat.DOOMPICTURE, General.Map.Data.Palette);
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if(reader is UnknownImageReader)
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{
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// Data is in an unknown format!
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General.ErrorLogger.Add(ErrorType.Error, "Sprite lump '" + Name + "' data format could not be read. Does this lump contain valid picture data at all?");
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bitmap = null;
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}
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else
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{
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// Read data as bitmap
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mem.Seek(0, SeekOrigin.Begin);
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if(bitmap != null) bitmap.Dispose();
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bitmap = reader.ReadAsBitmap(mem, out offsetx, out offsety);
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}
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// Done
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mem.Dispose();
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if(bitmap != null)
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{
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// Get width and height from image
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width = bitmap.Size.Width;
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height = bitmap.Size.Height;
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scale.x = 1.0f;
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scale.y = 1.0f;
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// Make offset corrections if the offset was not given
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if((offsetx == int.MinValue) || (offsety == int.MinValue))
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{
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offsetx = (int)((width * scale.x) * 0.5f);
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offsety = (int)(height * scale.y);
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}
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}
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else
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{
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loadfailed = true;
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}
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}
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else
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{
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// Missing a patch lump!
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General.ErrorLogger.Add(ErrorType.Error, "Missing sprite lump '" + Name + "'. Forgot to include required resources?");
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}
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// Pass on to base
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base.LocalLoadImage();
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}
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}
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#endregion
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}
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}
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