* 1.0.1.5 - 5/5/2012
* - Adding SplitFlat extension for Texture2D
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@ -62,6 +62,12 @@
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* 1.0.1.3 - 4/7/2012
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* - Adding a check in the AxiosTimer update to only tick if the game is active
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*
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* 1.0.1.4 - 4/27/2012
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* - Merging the new GSM
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*
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* 1.0.1.5 - 5/5/2012
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* - Adding SplitFlat extension for Texture2D
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*
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*/
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using System.Reflection;
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@ -132,6 +132,54 @@ namespace Axios.Engine.Extenions
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return r;
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}
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/// http://gamedev.stackexchange.com/questions/11584/xna-splitting-one-large-texture-into-an-array-of-smaller-textures
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/// <summary>
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/// Splits a texture into an array of smaller textures of the specified size.
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/// </summary>
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/// <param name="original">The texture to be split into smaller textures</param>
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/// <param name="partWidth">The width of each of the smaller textures that will be contained in the returned array.</param>
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/// <param name="partHeight">The height of each of the smaller textures that will be contained in the returned array.</param>
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public static Texture2D[] SplitFlat(this Texture2D original, int partWidth, int partHeight, out int xCount, out int yCount)
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{
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yCount = original.Height / partHeight; //+ (partHeight % original.Height == 0 ? 0 : 1);//The number of textures in each horizontal row
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xCount = original.Width / partWidth; //+(partWidth % original.Width == 0 ? 0 : 1);//The number of textures in each vertical column
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Texture2D[] r = new Texture2D[xCount * yCount];//Number of parts = (area of original) / (area of each part).
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int dataPerPart = partWidth * partHeight;//Number of pixels in each of the split parts
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//Get the pixel data from the original texture:
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Color[] originalData = new Color[original.Width * original.Height];
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original.GetData<Color>(originalData);
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int index = 0;
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for (int y = 0; y < yCount * partHeight; y += partHeight)
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for (int x = 0; x < xCount * partWidth; x += partWidth)
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{
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//The texture at coordinate {x, y} from the top-left of the original texture
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Texture2D part = new Texture2D(original.GraphicsDevice, partWidth, partHeight);
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//The data for part
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Color[] partData = new Color[dataPerPart];
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//Fill the part data with colors from the original texture
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for (int py = 0; py < partHeight; py++)
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for (int px = 0; px < partWidth; px++)
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{
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int partIndex = px + py * partWidth;
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//If a part goes outside of the source texture, then fill the overlapping part with Color.Transparent
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if (y + py >= original.Height || x + px >= original.Width)
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partData[partIndex] = Color.Transparent;
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else
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partData[partIndex] = originalData[(x + px) + (y + py) * original.Width];
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}
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//Fill the part with the extracted data
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part.SetData<Color>(partData);
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//Stick the part in the return array:
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r[index++] = part;
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}
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//Return the array of parts.
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return r;
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}
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/// http://forums.create.msdn.com/forums/t/79258.aspx
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/// <summary>
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/// Combines one texture with another
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