Add some basic timings

.gitignore

@@ -1,2 +1,3 @@
 # Godot 4+ specific ignores
 .godot/
+EXPORT/

export_presets.cfg

@@ -0,0 +1,42 @@
+[preset.0]
+
+name="Linux"
+platform="Linux"
+runnable=true
+advanced_options=false
+dedicated_server=false
+custom_features=""
+export_filter="all_resources"
+include_filter=""
+exclude_filter=""
+export_path="EXPORT/tmv.x86_64"
+encryption_include_filters=""
+encryption_exclude_filters=""
+encrypt_pck=false
+encrypt_directory=false
+script_export_mode=2
+
+[preset.0.options]
+
+custom_template/debug=""
+custom_template/release=""
+debug/export_console_wrapper=1
+binary_format/embed_pck=false
+texture_format/s3tc_bptc=true
+texture_format/etc2_astc=false
+binary_format/architecture="x86_64"
+ssh_remote_deploy/enabled=false
+ssh_remote_deploy/host="user@host_ip"
+ssh_remote_deploy/port="22"
+ssh_remote_deploy/extra_args_ssh=""
+ssh_remote_deploy/extra_args_scp=""
+ssh_remote_deploy/run_script="#!/usr/bin/env bash
+export DISPLAY=:0
+unzip -o -q \"{temp_dir}/{archive_name}\" -d \"{temp_dir}\"
+\"{temp_dir}/{exe_name}\" {cmd_args}"
+ssh_remote_deploy/cleanup_script="#!/usr/bin/env bash
+kill $(pgrep -x -f \"{temp_dir}/{exe_name} {cmd_args}\")
+rm -rf \"{temp_dir}\""
+dotnet/include_scripts_content=false
+dotnet/include_debug_symbols=false
+dotnet/embed_build_outputs=false

project/code/LGS/ResourcePathManager.cs

@@ -164,7 +164,7 @@ public class ResourcePathManager
         return null;
     }
 
-    public string GetObjectPath(string campaignName, string objectName)
+    public string GetObjectPath(ref string campaignName, string objectName)
     {
         if (!_initialised) return null;
 
@@ -184,6 +184,7 @@ public class ResourcePathManager
             }
             else if (_omResources.objectPathMap.TryGetValue(objectName, out var omPath))
             {
+                campaignName = "";
                 return omPath;
             }
         }

project/code/TMV/Mission.cs

@@ -44,11 +44,13 @@ public partial class Mission : Node3D
 	ResourcePathManager _installPaths;
 	DbFile _file;
 	TextureLoader _textureLoader;
+	ModelLoader _modelLoader;
 
 	public override void _Ready()
 	{
 		var extractPath = ProjectSettings.GlobalizePath($"user://extracted/tmp");
 		_installPaths = new ResourcePathManager(extractPath);
+		_modelLoader = new ModelLoader(_installPaths);
 		var missionSelector = GetNode<Control>("%MissionSelector") as MissionSelector;
 		missionSelector.pathManager = _installPaths;
 		missionSelector.MissionSelected += (string campaign, string mission) =>
@@ -98,10 +100,11 @@ public partial class Mission : Node3D
 		ClearMap();
 
 		_textureLoader = new TextureLoader(_campaignName);
-		_file = new(FileName);
-		UseChunk<TxList>("TXLIST", LoadTextures);
-		UseChunk<WorldRep>("WREXT", BuildWrMeshes);
+		Timing.TimeStage("DbFile Parse", () => _file = new(FileName));
+		Timing.TimeStage("Load FAM", () => UseChunk<TxList>("TXLIST", LoadTextures));
+		Timing.TimeStage("Build WR", () => UseChunk<WorldRep>("WREXT", BuildWrMeshes));
 
+		// TODO: Sort this out so I can time it lol
 		ObjectHierarchy objHierarchy;
 		if (_file.Chunks.TryGetValue("GAM_FILE", out var gamFileChunk))
 		{
@@ -123,10 +126,9 @@ public partial class Mission : Node3D
 			objHierarchy = new ObjectHierarchy(_file);
 		}
 
-		if (
-			_file.Chunks.TryGetValue("BRLIST", out var brList))
+		if (_file.Chunks.TryGetValue("BRLIST", out var brList))
 		{
-			PlaceObjects((BrList)brList, objHierarchy);
+			Timing.TimeStage("Object Placement", () => PlaceObjects((BrList)brList, objHierarchy));
 		}
 	}
 
@@ -168,7 +170,7 @@ public partial class Mission : Node3D
 			var rawRot = brush.angle;
 			var rot = new Vector3(rawRot.Y, rawRot.Z, rawRot.X) * 360 / ushort.MaxValue;
 			var scale = scaleProp == null ? Vector3.One : scaleProp.scale.ToGodotVec3(false);
-			var model = ModelLoader.LoadModel(_installPaths, _campaignName, modelName);
+			var model = _modelLoader.Load(_campaignName, modelName);
 			if (model != null)
 			{
 				model.Position = pos;
@@ -272,7 +274,7 @@ public partial class Mission : Node3D
 	private static Texture BuildLightmapTexture(WorldRep.Cell[] cells, PackingRectangle[] packingRects, Dictionary<int, LightmapRectData> rectDataMap, Dictionary<int, MeshSurfaceData> surfaceDataMap)
 	{
 		RectanglePacker.Pack(packingRects, out var bounds);
-		var image = Image.Create((int)bounds.Width, (int)bounds.Height, false, Image.Format.Rgba8);
+		var image = Image.CreateEmpty((int)bounds.Width, (int)bounds.Height, false, Image.Format.Rgba8);
 		foreach (var rect in packingRects)
 		{
 			if (!rectDataMap.ContainsKey(rect.Id)) GD.Print("Invalid rectDataMap key");

project/code/TMV/ModelLoader.cs

@@ -1,15 +1,53 @@
 using System.Collections.Generic;
-using System.IO;
 using Godot;
 using KeepersCompound.LGS;
 
 namespace KeepersCompound.TMV;
 
-public static class ModelLoader
+public class ModelLoader
 {
-    public static MeshInstance3D LoadModel(ResourcePathManager pathManager, string campaignName, string modelName)
+    private readonly Dictionary<(string, string), MeshInstance3D> _cache;
+    private readonly ResourcePathManager _pathManager;
+
+    public ModelLoader(ResourcePathManager pathManager)
     {
-        var modelPath = pathManager.GetObjectPath(campaignName, modelName);
+        _pathManager = pathManager;
+        _cache = new Dictionary<(string, string), MeshInstance3D>();
+    }
+
+    public MeshInstance3D Load(string campaignName, string modelName, bool forceLoad = false)
+    {
+        campaignName ??= "";
+
+        if (!forceLoad)
+        {
+            if (_cache.TryGetValue((campaignName, modelName), out var fmModel))
+            {
+                return fmModel == null ? fmModel : fmModel.Duplicate() as MeshInstance3D;
+            }
+            else if (_cache.TryGetValue(("", modelName), out var omModel))
+            {
+                return omModel == null ? omModel : omModel.Duplicate() as MeshInstance3D;
+            }
+        }
+
+        // We don't care if this is null actually, we'll still cache that it's null lol
+        var model = LoadModel(_pathManager, ref campaignName, modelName);
+        var key = (campaignName, modelName);
+        if (_cache.ContainsKey(key))
+        {
+            _cache[key] = model;
+        }
+        else
+        {
+            _cache.TryAdd(key, model);
+        }
+        return model == null ? model : model.Duplicate() as MeshInstance3D;
+    }
+
+    public static MeshInstance3D LoadModel(ResourcePathManager pathManager, ref string campaignName, string modelName)
+    {
+        var modelPath = pathManager.GetObjectPath(ref campaignName, modelName);
         if (modelPath == null)
         {
             return null;

project/code/TMV/TextureLoader.Gif.cs

@@ -14,7 +14,7 @@ public partial class TextureLoader
 
         var width = gifImage.Width;
         var height = gifImage.Height;
-        var image = Image.Create(width, height, false, Image.Format.Rgba8);
+        var image = Image.CreateEmpty(width, height, false, Image.Format.Rgba8);
         for (var y = 0; y < height; y++)
         {
             for (var x = 0; x < width; x++)

project/code/TMV/TextureLoader.Pcx.cs

@@ -93,7 +93,7 @@ public partial class TextureLoader
         // Read run length encoded pixel Data
         var width = (int)(max.X - min.X + 1);
         var height = (int)(max.Y - min.Y + 1);
-        var image = Image.Create(width, height, false, Image.Format.Rgba8);
+        var image = Image.CreateEmpty(width, height, false, Image.Format.Rgba8);
         for (var y = 0; y < height; y++)
         {
             var x = 0;

project/code/TMV/Timing.cs

@@ -0,0 +1,15 @@
+using System;
+using System.Diagnostics;
+
+namespace KeepersCompound.TMV;
+
+public static class Timing
+{
+    public static void TimeStage(string stagename, Action action)
+    {
+        var watch = Stopwatch.StartNew();
+        action();
+        watch.Stop();
+        Godot.GD.Print($"[{stagename}]: {watch.Elapsed:g}");
+    }
+}