1 files changed, 49 insertions, 0 deletions
diff --git a/ConsoleApp/TextureCommands.cs b/ConsoleApp/TextureCommands.cs
index 3fad0c7..834b32e 100644
--- a/ConsoleApp/TextureCommands.cs
+++ b/ConsoleApp/TextureCommands.cs
@@ -71,5 +71,54 @@ namespace ConsoleApp {
 					+ "  texture-names is a list of textures. if not specified, every texture is exported.";
 		}
 	}
+
+
+	public class ReplaceImageCommand : ResFileCommand {
+		public ReplaceImageCommand() : base("replace image used for a texture") {
+		}
+
+		protected override void OperateOnFile(string[] args) {
+			if (args.Length != 2) {
+				Console.WriteLine("invalid syntax.\n" + GetHelp(null));
+				return;
+			}
+
+			var texDict = TargetFile.GetTextureGroup();
+			if (texDict == null || texDict.Count == 0) {
+				Console.WriteLine("this file has no textures.");
+				return;
+			}
+
+			if (!texDict.ContainsKey(args[0])) {
+				Console.WriteLine("the specified texture [{0}] does not exist", args[0]);
+				return;
+			}
+
+			var texture = texDict[args[0]];
+			Console.WriteLine("texture {0}: {1} image(s)", args[0], texture.Images.Length);
+
+			System.Drawing.Bitmap bitmap;
+
+			try {
+				bitmap = new System.Drawing.Bitmap(args[1]);
+			} catch (Exception ex) {
+				Console.WriteLine("error reading image [{0}]:", args[1]);
+				Console.WriteLine(ex.ToString());
+				return;
+			}
+
+			texture.Images[0] = bitmap;
+			Console.WriteLine("replaced");
+
+			SaveFile();
+		}
+
+		public override string GetHelp(string[] args) {
+			return "syntax: replace-image <brres-filename> <texture-name> <image-filename>\n"
+					+ "  replaces the image used by a texture.\n\n"
+					+ "  texture-name is the affected texture.\n"
+					+ "  image-filename is the image to replace it with (preferably a PNG).";
+		}
+	}
 }