floor meshing

Art/Stone_11-128x128.png.import

@@ -0,0 +1,34 @@
+[remap]
+
+importer="texture"
+type="CompressedTexture2D"
+uid="uid://eempmja460l5"
+path="res://.godot/imported/Stone_11-128x128.png-74289798a2555c4732a5c0fbe1b7230c.ctex"
+metadata={
+"vram_texture": false
+}
+
+[deps]
+
+source_file="res://Art/Stone_11-128x128.png"
+dest_files=["res://.godot/imported/Stone_11-128x128.png-74289798a2555c4732a5c0fbe1b7230c.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

Scripts/Space/SpaceRegion.gd

@@ -17,6 +17,28 @@ func _generate_geometry(space: Space, looked_from_inside: bool) -> Node3D:
 	var geometry := MeshInstance3D.new()
 	geometry.name = name
 
+	var mesh := ArrayMesh.new()
+	mesh.add_surface_from_arrays(Mesh.PRIMITIVE_TRIANGLES, _generate_wall_arrays(space, looked_from_inside))
+	mesh.add_surface_from_arrays(Mesh.PRIMITIVE_TRIANGLES, _generate_floor_arrays(space))
+
+	var wall_material := StandardMaterial3D.new()
+	wall_material.albedo_texture = wall_texture
+	mesh.surface_set_material(0, wall_material)
+
+	var floor_material := StandardMaterial3D.new()
+	floor_material.albedo_texture = floor_texture
+	mesh.surface_set_material(1, floor_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 _generate_wall_arrays(space: Space, looked_from_inside: bool) -> Array:
 	var polygon = self.polygon
 	var polygon_pairs = Array()
 	for i in range(-1, polygon.size() - 1):
@@ -32,21 +54,7 @@ func _generate_geometry(space: Space, looked_from_inside: bool) -> Node3D:
 	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
+	return arrays
 
 
 func _push_line(space: Space,
@@ -79,3 +87,26 @@ func _push_line(space: Space,
 	uvs.append(Vector2(1, 0))
 	uvs.append(Vector2(0, 1))
 	uvs.append(Vector2(0, 0))
+
+
+func _generate_floor_arrays(space: Space) -> Array:
+	var triangulation := Geometry2D.triangulate_polygon(self.polygon)
+	var vertices := PackedVector3Array()
+	var uvs := PackedVector2Array()
+	vertices.resize(triangulation.size())
+	uvs.resize(triangulation.size())
+
+	for i in range(triangulation.size()):
+		vertices[i] = Vector3(
+			self.polygon[triangulation[i]].x * space.unit_scale,
+			elevation * space.unit_scale,
+			self.polygon[triangulation[i]].y * space.unit_scale,
+		)
+		uvs[i] = self.polygon[triangulation[i]] * space.unit_scale
+
+	var arrays := Array()
+	arrays.resize(Mesh.ARRAY_MAX)
+	arrays[Mesh.ARRAY_VERTEX] = vertices
+	arrays[Mesh.ARRAY_TEX_UV] = uvs
+
+	return arrays

Spaces/Dungeon.tscn

@@ -1,10 +1,11 @@
-[gd_scene load_steps=7 format=3 uid="uid://deff7lt34nj0h"]
+[gd_scene load_steps=8 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="Texture2D" uid="uid://eempmja460l5" path="res://Art/Stone_11-128x128.png" id="4_mnswr"]
 [ext_resource type="Script" path="res://Scripts/Space/SpaceSpawn.gd" id="4_rhl23"]
 
 [node name="Dungeon" type="Node2D"]
@@ -15,7 +16,7 @@ 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")
+floor_texture = ExtResource("4_mnswr")
 
 [node name="Column" type="Polygon2D" parent="Room"]
 position = Vector2(78, -8)