From 4f1a7ff5fbea18cdb30c029fad487e9d61284c9f Mon Sep 17 00:00:00 2001
From: Chris Forbes <chrisf@ijw.co.nz>
Date: Mon, 18 Jun 2012 11:22:24 +1200
Subject: [PATCH] add --transpose option to utility

---
 OpenRA.Utility/Command.cs | 19 +++++++++++++++++++
 OpenRA.Utility/Program.cs |  2 ++
 2 files changed, 21 insertions(+)

diff --git a/OpenRA.Utility/Command.cs b/OpenRA.Utility/Command.cs
index 0f89cf2ea3..345c4ce74b 100644
--- a/OpenRA.Utility/Command.cs
+++ b/OpenRA.Utility/Command.cs
@@ -398,5 +398,24 @@ namespace OpenRA.Utility
 				ShpWriter.Write(destStream, srcImage.Width, srcImage.Height,
 					srcImage.Frames.Select( im => im.Image.Select(px => (byte)remap[px]).ToArray() ));
 		}
+
+		public static void TransposeShp(string[] args)
+		{
+			var srcImage = ShpReader.Load(args[1]);
+			var start = int.Parse(args[3]);
+			var m = int.Parse(args[4]);
+			var n = int.Parse(args[5]);
+
+			var srcFrames = srcImage.Frames.ToArray();
+			var destFrames = srcImage.Frames.ToArray();
+
+			for( var i = 0; i < m; i++ )
+				for( var j = 0; j < n; j++ )
+					destFrames[ start + i*n + j ] = srcFrames[ start + j*m + i ];
+
+			using( var destStream = File.Create(args[2]) )
+				ShpWriter.Write(destStream, srcImage.Width, srcImage.Height,
+					destFrames.Select(f => f.Image));
+		}
 	}
 }
diff --git a/OpenRA.Utility/Program.cs b/OpenRA.Utility/Program.cs
index 06e256fddb..47a386e92f 100644
--- a/OpenRA.Utility/Program.cs
+++ b/OpenRA.Utility/Program.cs
@@ -28,6 +28,7 @@ namespace OpenRA.Utility
 				{ "--tmp-png", Command.ConvertTmpToPng },
 				{ "--remap", Command.RemapShp },
 				{ "--r8", Command.ConvertR8ToPng },
+				{ "--transpose", Command.TransposeShp },
 			};
 
 			if (args.Length == 0) { PrintUsage(); return; }
@@ -61,6 +62,7 @@ namespace OpenRA.Utility
 			Console.WriteLine("  --tmp-png MOD[,MOD]* THEATER FILES      Extract terrain tiles to PNG");
 			Console.WriteLine("  --remap SRCMOD:PAL DESTMOD:PAL SRCSHP DESTSHP     Remap SHPs to another palette");
 			Console.WriteLine("  --r8 R8FILE PALETTE START END FILENAME [--transparent] [--infrantry] [--vehicle] [--projectile] [--building] [--wall] [--tileset]     Convert Dune 2000 DATA.R8 to PNGs choosing start- and endframe as well as type for correct offset to append multiple frames to one PNG named by filename optionally setting up transparency.");
+			Console.WriteLine("  --transpose SRCSHP DESTSHP START N M     Transpose the N*M block of frames starting at START.");
 		}
 
 		static string GetNamedArg(string[] args, string arg)