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using System; |
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using System.Collections.Generic; |
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using Oni.Imaging; |
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|
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namespace Oni.Motoko |
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{ |
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internal static class TextureDatReader |
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{ |
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public static Texture ReadInfo(InstanceDescriptor txmp) |
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{ |
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var texture = new Texture |
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{ |
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Name = txmp.Name |
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}; |
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|
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using (var reader = txmp.OpenRead(128)) |
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{ |
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texture.Flags = (TextureFlags)reader.ReadInt32(); |
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texture.Width = reader.ReadInt16(); |
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texture.Height = reader.ReadInt16(); |
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texture.Format = (TextureFormat)reader.ReadInt32(); |
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reader.Skip(8); |
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|
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if (txmp.IsMacFile) |
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reader.Skip(4); |
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|
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reader.Skip(4); |
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} |
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|
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return texture; |
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} |
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|
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public static Texture Read(InstanceDescriptor txmp) |
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{ |
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var texture = new Texture |
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{ |
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Name = txmp.Name |
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}; |
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|
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int rawOffset; |
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|
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using (var reader = txmp.OpenRead(128)) |
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{ |
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texture.Flags = (TextureFlags)reader.ReadInt32(); |
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texture.Width = reader.ReadInt16(); |
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texture.Height = reader.ReadInt16(); |
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texture.Format = (TextureFormat)reader.ReadInt32(); |
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reader.Skip(8); |
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|
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if (txmp.IsMacFile) |
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reader.Skip(4); |
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|
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rawOffset = reader.ReadInt32(); |
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} |
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|
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using (var rawReader = txmp.GetSepReader(rawOffset)) |
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ReadSurfaces(texture, rawReader); |
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|
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return texture; |
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} |
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|
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private static void ReadSurfaces(Texture texture, BinaryReader reader) |
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{ |
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var format = texture.Format.ToSurfaceFormat(); |
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int width = texture.Width; |
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int height = texture.Height; |
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bool hasMipMaps = (texture.Flags & TextureFlags.HasMipMaps) != 0; |
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|
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do |
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{ |
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var surface = new Surface(width, height, format); |
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reader.Read(surface.Data, 0, surface.Data.Length); |
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texture.Surfaces.Add(surface); |
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|
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width = Math.Max(width >> 1, 1); |
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height = Math.Max(height >> 1, 1); |
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|
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} while (hasMipMaps && (width > 1 || height > 1)); |
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} |
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} |
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} |
