Load TGA textures

project/code/LGS/Database/Chunks/WorldRep.cs

@@ -132,7 +132,7 @@ public class WorldRep : IChunk
                         return new Vector4(raw1, raw1, raw1, 255) / 255.0f;
                     case 2:
                         var raw2 = Pixels[layer, y, x, 0] + (Pixels[layer, y, x, 1] << 8);
-                        return new Vector4(raw2 & 31, (raw2 >> 5) & 31, (raw2 >> 10) & 31, 32) / 32.0f;
+                        return new Vector4(raw2 & 31, (raw2 >> 5) & 31, (raw2 >> 10) & 31, 31) / 31.0f;
                     case 4:
                         return new Vector4(Pixels[layer, y, x, 0], Pixels[layer, y, x, 1], Pixels[layer, y, x, 2], Pixels[layer, y, x, 3]) / 255.0f;
                     default:

project/code/Mission.cs

@@ -1,5 +1,4 @@
 using Godot;
-using Godot.NativeInterop;
 using KeepersCompound.LGS;
 using KeepersCompound.LGS.Database;
 using KeepersCompound.LGS.Database.Chunks;
@@ -8,10 +7,10 @@ using RectpackSharp;
 using System;
 using System.Collections.Generic;
 using System.IO;
+using System.Linq;
 
 namespace KeepersCompound;
 
-[Tool]
 public partial class Mission : Node3D
 {
 	[Export(PropertyHint.GlobalFile, "*.mis")]
@@ -65,6 +64,8 @@ public partial class Mission : Node3D
 
 	public void ClearMap()
 	{
+		_textures.Clear();
+
 		foreach (var node in GetChildren())
 		{
 			node.QueueFree();
@@ -280,7 +281,6 @@ public partial class Mission : Node3D
 		var meshInstance = new MeshInstance3D
 		{
 			Mesh = arrMesh,
-			CastShadow = GeometryInstance3D.ShadowCastingSetting.On
 		};
 		return meshInstance;
 	}
@@ -368,7 +368,37 @@ public partial class Mission : Node3D
 
 	private void LoadTextures(TxList textureList)
 	{
+		static string PathToKey(string baseDir, string path)
+		{
+			return path.TrimPrefix(baseDir).GetBaseName().ToLower();
+		}
+
 		// TODO: This has hardcoded .png extension and relies on you placing extracted and converted images in godot user directory
+
+		// Collect all the fm textures here to help with case sensitivity :)
+		// TODO: Only do this on case sensitive systems?
+		var baseDir = FileName.GetBaseDir();
+		var options = new EnumerationOptions { MatchCasing = MatchCasing.CaseInsensitive };
+		var dirPaths = Directory.GetDirectories(baseDir, "fam", options);
+		options.RecurseSubdirectories = true;
+		var texturePaths = new Dictionary<string, string>();
+
+		// Godot doesn't support runtime DDS :)
+		// TODO: Load DDS BMP PCX GIF CEL
+		string[] validExtensions = { "png", "tga" };
+		foreach (var dirPath in dirPaths)
+		{
+			foreach (var path in Directory.EnumerateFiles(dirPath, "*", options))
+			{
+				if (validExtensions.Contains(path.GetExtension().ToLower()))
+				{
+					// TODO: This only adds the first one found rather than the highest priority
+					texturePaths.TryAdd(PathToKey(baseDir, path), path);
+				}
+			}
+		}
+
+		// TODO: Use PathJoin
 		var count = textureList.ItemCount;
 		for (var i = 0; i < count; i++)
 		{
@@ -384,18 +414,19 @@ public partial class Mission : Node3D
 
 				path += $"{textureList.Tokens[token - 1]}/";
 			}
-			path += item.Name + ".png"; // Hardcoded extension!
+			path += item.Name;
 
-			if (File.Exists(FileName + path))
+			if (texturePaths.TryGetValue(path.ToLower(), out var newPath))
 			{
-				path = FileName + path;
+				path = newPath;
 			}
-			else if (File.Exists(ProjectSettings.GlobalizePath($"user://textures{path}")))
+			else if (File.Exists(ProjectSettings.GlobalizePath($"user://textures{path}.png")))
 			{
-				path = ProjectSettings.GlobalizePath($"user://textures{path}");
+				path = ProjectSettings.GlobalizePath($"user://textures{path}.png");
 			}
 			else
 			{
+				GD.Print($"Failed to find texture: {path}");
 				path = "user://textures/jorge.png";
 			}
 

project/materials/base.tres

@@ -3,14 +3,33 @@
 [sub_resource type="Shader" id="Shader_eumy4"]
 code = "shader_type spatial;
 render_mode blend_mix,depth_draw_opaque,cull_back,unshaded;
-uniform sampler2D texture_albedo : source_color,filter_linear_mipmap,repeat_enable;
-uniform sampler2D lightmap_albedo : source_color,filter_linear_mipmap,repeat_enable;
+uniform sampler2D texture_albedo : filter_linear_mipmap_anisotropic,repeat_enable;
+uniform sampler2D lightmap_albedo : filter_linear_mipmap_anisotropic,repeat_enable;
 uniform float lightmap_modulation;
 
+float srgb_to_linear_e(float input) {
+	float output;
+	if (input <= 0.04045) {
+		output = input / 12.92;
+	} 
+	else {
+		output = pow((input + 0.055) / 1.055, 2.4);
+	}
+	return output;
+}
+
+vec3 srgb_to_linear(vec3 input) {
+	vec3 output;
+	output.r = srgb_to_linear_e(input.r);
+    output.g = srgb_to_linear_e(input.g);
+    output.b = srgb_to_linear_e(input.b);
+	return output;
+}
+
 void fragment() {
 	vec4 albedo_tex = texture(texture_albedo,UV);
 	vec4 lightmap_tex = texture(lightmap_albedo,UV2) * lightmap_modulation;
-	ALBEDO = albedo_tex.rgb * lightmap_tex.rgb;
+	ALBEDO = srgb_to_linear((albedo_tex * lightmap_tex).rgb);
 }
 "
 

project/scenes/main.tscn

@@ -1,14 +1,8 @@
-[gd_scene load_steps=6 format=3 uid="uid://boxi211q3kx6c"]
+[gd_scene load_steps=4 format=3 uid="uid://boxi211q3kx6c"]
 
 [ext_resource type="Script" path="res://project/code/Mission.cs" id="1_xhqt7"]
 [ext_resource type="Script" path="res://project/code/camera.gd" id="2_w5otl"]
 [ext_resource type="PackedScene" uid="uid://cekg1xb5f0ux1" path="res://project/scenes/ui/mission_selector.tscn" id="3_hwfcj"]
-[ext_resource type="Material" uid="uid://ck8h6dvojuegj" path="res://project/materials/base.tres" id="4_vxwmj"]
-
-[sub_resource type="Environment" id="Environment_oxkvl"]
-ambient_light_source = 2
-ambient_light_color = Color(1, 1, 1, 1)
-ssao_enabled = true
 
 [node name="Main" type="Node3D"]
 
@@ -20,13 +14,7 @@ FileName = "/home/jarrod/Dev/thief/de-specs/test_data/rose-garden.mis"
 [node name="Camera3D" type="Camera3D" parent="."]
 script = ExtResource("2_w5otl")
 
-[node name="WorldEnvironment" type="WorldEnvironment" parent="."]
-environment = SubResource("Environment_oxkvl")
-
 [node name="UI" type="CanvasLayer" parent="."]
 
 [node name="MissionSelector" parent="UI" instance=ExtResource("3_hwfcj")]
 unique_name_in_owner = true
-
-[node name="MeshInstance3D" type="MeshInstance3D" parent="."]
-material_overlay = ExtResource("4_vxwmj")