specification of region wall texture, ability to have nested regions, unshaded region material

.gitattributes

@@ -0,0 +1,3 @@
+# Normalize EOL for all files that Git considers text files.
+* text=auto eol=lf
+*.png filter=lfs diff=lfs merge=lfs -text

.gitignore

@@ -0,0 +1,2 @@
+# Godot 4+ specific ignores
+.godot/

Art/Stone_05-128x128.png.import

@@ -0,0 +1,35 @@
+[remap]
+
+importer="texture"
+type="CompressedTexture2D"
+uid="uid://buoupwtftxjse"
+path.s3tc="res://.godot/imported/Stone_05-128x128.png-6e57d717d543c3c7c2a521569c0b2f7c.s3tc.ctex"
+metadata={
+"imported_formats": ["s3tc_bptc"],
+"vram_texture": true
+}
+
+[deps]
+
+source_file="res://Art/Stone_05-128x128.png"
+dest_files=["res://.godot/imported/Stone_05-128x128.png-6e57d717d543c3c7c2a521569c0b2f7c.s3tc.ctex"]
+
+[params]
+
+compress/mode=2
+compress/high_quality=false
+compress/lossy_quality=0.7
+compress/hdr_compression=1
+compress/normal_map=0
+compress/channel_pack=0
+mipmaps/generate=true
+mipmaps/limit=-1
+roughness/mode=0
+roughness/src_normal=""
+process/fix_alpha_border=true
+process/premult_alpha=false
+process/normal_map_invert_y=false
+process/hdr_as_srgb=false
+process/hdr_clamp_exposure=false
+process/size_limit=0
+detect_3d/compress_to=0

Art/Stone_06-128x128.png.import

@@ -0,0 +1,34 @@
+[remap]
+
+importer="texture"
+type="CompressedTexture2D"
+uid="uid://icmmuqquxhq3"
+path="res://.godot/imported/Stone_06-128x128.png-1430bdd7db0c859489b2b90bbc7ac88e.ctex"
+metadata={
+"vram_texture": false
+}
+
+[deps]
+
+source_file="res://Art/Stone_06-128x128.png"
+dest_files=["res://.godot/imported/Stone_06-128x128.png-1430bdd7db0c859489b2b90bbc7ac88e.ctex"]
+
+[params]
+
+compress/mode=0
+compress/high_quality=false
+compress/lossy_quality=0.7
+compress/hdr_compression=1
+compress/normal_map=0
+compress/channel_pack=0
+mipmaps/generate=false
+mipmaps/limit=-1
+roughness/mode=0
+roughness/src_normal=""
+process/fix_alpha_border=true
+process/premult_alpha=false
+process/normal_map_invert_y=false
+process/hdr_as_srgb=false
+process/hdr_clamp_exposure=false
+process/size_limit=0
+detect_3d/compress_to=1

Scenes/Material.tres

@@ -1,7 +0,0 @@
-[gd_resource type="StandardMaterial3D" load_steps=2 format=3 uid="uid://bb47mhgbxy3cw"]
-
-[ext_resource type="Texture2D" uid="uid://h0skytm8grcu" path="res://icon.svg" id="1_2jq3x"]
-
-[resource]
-albedo_texture = ExtResource("1_2jq3x")
-texture_filter = 1

Scenes/RegionMaterial.tres

@@ -0,0 +1,8 @@
+[gd_resource type="StandardMaterial3D" load_steps=2 format=3 uid="uid://bb47mhgbxy3cw"]
+
+[ext_resource type="Texture2D" uid="uid://buoupwtftxjse" path="res://Art/Stone_05-128x128.png" id="1_cgxdm"]
+
+[resource]
+shading_mode = 0
+albedo_texture = ExtResource("1_cgxdm")
+texture_filter = 0

Scripts/Space/SpaceRegion.gd

@@ -5,9 +5,15 @@ class_name SpaceRegion
 
 @export var elevation: float = 0.0
 @export var height: float = 100.0
+@export var wall_texture: Texture2D
+@export var floor_texture: Texture2D
 
 
 func generate_geometry(space: Space) -> Node3D:
+	return _generate_geometry(space, true)
+
+
+func _generate_geometry(space: Space, looked_from_inside: bool) -> Node3D:
 	var geometry := MeshInstance3D.new()
 	geometry.name = name
 
@@ -19,46 +25,57 @@ func generate_geometry(space: Space) -> Node3D:
 	var vertices = PackedVector3Array()
 	var uvs = PackedVector2Array()
 	for line in polygon_pairs:
-		vertices.append(Vector3(
+		_push_line(space, line, vertices, uvs, looked_from_inside)
+
+	var arrays := Array()
+	arrays.resize(Mesh.ARRAY_MAX)
+	arrays[Mesh.ARRAY_VERTEX] = vertices
+	arrays[Mesh.ARRAY_TEX_UV] = uvs
+
+	var mesh := ArrayMesh.new()
+	mesh.add_surface_from_arrays(Mesh.PRIMITIVE_TRIANGLES, arrays)
+
+	var new_material := preload("res://Scenes/RegionMaterial.tres")
+	new_material.albedo_texture = wall_texture
+
+	mesh.surface_set_material(0, new_material)
+
+	geometry.mesh = mesh
+
+	for child in get_children():
+		if child is SpaceRegion:
+			geometry.add_child(child._generate_geometry(space, not looked_from_inside))
+
+	return geometry
+
+
+func _push_line(space: Space,
+				line: Array,
+				vertices: PackedVector3Array,
+				uvs: PackedVector2Array,
+				looked_from_inside: bool
+):
+	var v0 := Vector3(
 		line[0][0] * space.unit_scale, elevation * space.unit_scale,
-			line[0][1] * space.unit_scale
+		line[0][1] * space.unit_scale)
-		))
+	var v1 := Vector3(
-		vertices.append(Vector3(
 		line[1][0] * space.unit_scale, (elevation + height) * space.unit_scale,
-			line[1][1] * space.unit_scale,
+		line[1][1] * space.unit_scale)
-		))
+	var v2 := Vector3(
-		vertices.append(Vector3(
 		line[1][0] * space.unit_scale, elevation * space.unit_scale,
-			line[1][1] * space.unit_scale,
+		line[1][1] * space.unit_scale)
-		))
+	var v3 := Vector3(
-		vertices.append(Vector3(
-			line[1][0] * space.unit_scale, (elevation + height) * space.unit_scale,
-			line[1][1] * space.unit_scale,
-		))
-		vertices.append(Vector3(
-			line[0][0] * space.unit_scale, elevation * space.unit_scale,
-			line[0][1] * space.unit_scale,
-		))
-		vertices.append(Vector3(
 		line[0][0] * space.unit_scale, (elevation + height) * space.unit_scale,
-			line[0][1] * space.unit_scale,
+		line[0][1] * space.unit_scale)
-		))
+
+	if looked_from_inside:
+		vertices.append_array([v0, v1, v2, v1, v0, v3])
+	else:
+		vertices.append_array([v0, v2, v1, v1, v3, v0])
+
 	uvs.append(Vector2(0, 1))
 	uvs.append(Vector2(1, 0))
 	uvs.append(Vector2(1, 1))
 	uvs.append(Vector2(1, 0))
 	uvs.append(Vector2(0, 1))
 	uvs.append(Vector2(0, 0))
-
-	var arrays = Array()
-	arrays.resize(Mesh.ARRAY_MAX)
-	arrays[Mesh.ARRAY_VERTEX] = vertices
-	arrays[Mesh.ARRAY_TEX_UV] = uvs
-
-	var mesh = ArrayMesh.new()
-	mesh.add_surface_from_arrays(Mesh.PRIMITIVE_TRIANGLES, arrays)
-	mesh.surface_set_material(0, preload("res://Scenes/Material.tres"))
-
-	geometry.mesh = mesh
-
-	return geometry

Spaces/Dungeon.tscn

@@ -1,8 +1,10 @@
-[gd_scene load_steps=5 format=3 uid="uid://deff7lt34nj0h"]
+[gd_scene load_steps=7 format=3 uid="uid://deff7lt34nj0h"]
 
 [ext_resource type="Script" path="res://Scripts/Space/Space.gd" id="1_ckp7u"]
 [ext_resource type="Script" path="res://Scripts/Space/SpaceRegion.gd" id="2_s3h7s"]
 [ext_resource type="Texture2D" uid="uid://h0skytm8grcu" path="res://icon.svg" id="3_7vff1"]
+[ext_resource type="Texture2D" uid="uid://icmmuqquxhq3" path="res://Art/Stone_06-128x128.png" id="3_ondo6"]
+[ext_resource type="Texture2D" uid="uid://buoupwtftxjse" path="res://Art/Stone_05-128x128.png" id="3_r08k8"]
 [ext_resource type="Script" path="res://Scripts/Space/SpaceSpawn.gd" id="4_rhl23"]
 
 [node name="Dungeon" type="Node2D"]
@@ -12,6 +14,16 @@ script = ExtResource("1_ckp7u")
 position = Vector2(-30, -8)
 polygon = PackedVector2Array(30, 72, 262, 32, 497, 192, 286, 328, 94, 264)
 script = ExtResource("2_s3h7s")
+wall_texture = ExtResource("3_ondo6")
+floor_texture = ExtResource("3_r08k8")
+
+[node name="Column" type="Polygon2D" parent="Room"]
+position = Vector2(78, -8)
+color = Color(0.665891, 0.820479, 1, 1)
+polygon = PackedVector2Array(222, 168, 272, 136, 318, 184, 294, 232, 230, 216)
+script = ExtResource("2_s3h7s")
+wall_texture = ExtResource("3_r08k8")
+floor_texture = ExtResource("3_r08k8")
 
 [node name="Spawn" type="Sprite2D" parent="."]
 position = Vector2(72, 104)