initial work on level geometry done from godot 2d nodes

Scenes/Main.tscn

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+[gd_scene load_steps=4 format=3 uid="uid://i5jawm0cwlat"]
+
+[ext_resource type="Script" path="res://Scripts/Main.gd" id="1_2yjjx"]
+[ext_resource type="PackedScene" uid="uid://deff7lt34nj0h" path="res://Spaces/Dungeon.tscn" id="2_4gs22"]
+
+[sub_resource type="Environment" id="Environment_pn2uj"]
+
+[node name="Main" type="Node3D"]
+script = ExtResource("1_2yjjx")
+
+[node name="Dungeon" parent="." instance=ExtResource("2_4gs22")]
+visible = false
+
+[node name="Camera" type="Camera3D" parent="."]
+transform = Transform3D(-1, 0, -8.74228e-08, 0, 1, 0, 8.74228e-08, 0, -1, 0, 0, 0)
+
+[node name="WorldEnvironment" type="WorldEnvironment" parent="."]
+environment = SubResource("Environment_pn2uj")

Scenes/Material.tres

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+[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

Scripts/Main.gd

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+extends Node3D
+
+
+func _ready():
+	add_child($Dungeon.generate_geometry())
+	$Camera.position = $Dungeon.get_spawn_point()
+	$Camera.position.y += 0.5
+
+
+func _process(delta):
+	$Camera.rotate_y(0.01)

Scripts/Space/Space.gd

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+extends Node2D
+## Scene based space to transform into 3d.
+##
+## Children of class SpaceEntity will be interpreted.
+##
+
+class_name Space
+
+## Scaling of pixel to 3d space coordinates.
+@export var unit_scale: float = 0.01
+
+
+func generate_geometry() -> Node3D:
+	var root := Node3D.new()
+
+	for child in get_children():
+		if child is SpaceRegion:
+			var geometry = child.generate_geometry(self)
+			root.add_child(geometry)
+
+	return root
+
+
+func get_spawn_point() -> Vector3:
+	for child in get_children():
+		if child is SpaceSpawn:
+			return child.space_position(self)
+
+	return Vector3.ZERO

Scripts/Space/SpaceEntity.gd

@@ -0,0 +1,6 @@
+extends Node2D
+## Base class for items to be placed in Space.
+##
+
+class_name SpaceEntity
+

Scripts/Space/SpaceRegion.gd

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+extends SpaceEntity
+
+class_name SpaceRegion
+
+
+@export var elevation: float = 0.0
+@export var height: float = 100.0
+
+
+func generate_geometry(space: Space) -> Node3D:
+	var geometry := MeshInstance3D.new()
+	geometry.name = name
+
+	var polygon = self.polygon
+	var polygon_pairs = Array()
+	for i in range(-1, polygon.size() - 1):
+		polygon_pairs.append([polygon[i], polygon[i+1]])
+
+	var vertices = PackedVector3Array()
+	var uvs = PackedVector2Array()
+	for line in polygon_pairs:
+		vertices.append(Vector3(
+			line[0][0] * space.unit_scale, elevation * space.unit_scale,
+			line[0][1] * space.unit_scale
+		))
+		vertices.append(Vector3(
+			line[1][0] * space.unit_scale, (elevation + height) * space.unit_scale,
+			line[1][1] * space.unit_scale,
+		))
+		vertices.append(Vector3(
+			line[1][0] * space.unit_scale, elevation * space.unit_scale,
+			line[1][1] * space.unit_scale,
+		))
+		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,
+		))
+		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

Scripts/Space/SpaceSpawn.gd

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+extends SpaceEntity
+## Position for mob to be spawned in.
+##
+
+class_name SpaceSpawn
+
+
+func space_position(space: Space) -> Vector3:
+	# todo: Get current region elevation
+	return Vector3(position.x * space.unit_scale, 0, position.y * space.unit_scale)

Spaces/Dungeon.tscn

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+[gd_scene load_steps=5 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="Script" path="res://Scripts/Space/SpaceSpawn.gd" id="4_rhl23"]
+
+[node name="Dungeon" type="Node2D"]
+script = ExtResource("1_ckp7u")
+
+[node name="Room" type="Polygon2D" parent="."]
+position = Vector2(-30, -8)
+polygon = PackedVector2Array(30, 72, 262, 32, 497, 192, 286, 328, 94, 264)
+script = ExtResource("2_s3h7s")
+
+[node name="Spawn" type="Sprite2D" parent="."]
+position = Vector2(72, 104)
+rotation = 0.159622
+scale = Vector2(0.25, 0.25)
+texture = ExtResource("3_7vff1")
+script = ExtResource("4_rhl23")

icon.svg

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+<svg height="128" width="128" xmlns="http://www.w3.org/2000/svg"><rect x="2" y="2" width="124" height="124" rx="14" fill="#363d52" stroke="#212532" stroke-width="4"/><g transform="scale(.101) translate(122 122)"><g fill="#fff"><path d="M105 673v33q407 354 814 0v-33z"/><path d="m105 673 152 14q12 1 15 14l4 67 132 10 8-61q2-11 15-15h162q13 4 15 15l8 61 132-10 4-67q3-13 15-14l152-14V427q30-39 56-81-35-59-83-108-43 20-82 47-40-37-88-64 7-51 8-102-59-28-123-42-26 43-46 89-49-7-98 0-20-46-46-89-64 14-123 42 1 51 8 102-48 27-88 64-39-27-82-47-48 49-83 108 26 42 56 81zm0 33v39c0 276 813 276 814 0v-39l-134 12-5 69q-2 10-14 13l-162 11q-12 0-16-11l-10-65H446l-10 65q-4 11-16 11l-162-11q-12-3-14-13l-5-69z" fill="#478cbf"/><path d="M483 600c0 34 58 34 58 0v-86c0-34-58-34-58 0z"/><circle cx="725" cy="526" r="90"/><circle cx="299" cy="526" r="90"/></g><g fill="#414042"><circle cx="307" cy="532" r="60"/><circle cx="717" cy="532" r="60"/></g></g></svg>

icon.svg.import

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+[remap]
+
+importer="texture"
+type="CompressedTexture2D"
+uid="uid://h0skytm8grcu"
+path.s3tc="res://.godot/imported/icon.svg-218a8f2b3041327d8a5756f3a245f83b.s3tc.ctex"
+metadata={
+"imported_formats": ["s3tc_bptc"],
+"vram_texture": true
+}
+
+[deps]
+
+source_file="res://icon.svg"
+dest_files=["res://.godot/imported/icon.svg-218a8f2b3041327d8a5756f3a245f83b.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
+svg/scale=1.0
+editor/scale_with_editor_scale=false
+editor/convert_colors_with_editor_theme=false

project.godot

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+; Engine configuration file.
+; It's best edited using the editor UI and not directly,
+; since the parameters that go here are not all obvious.
+;
+; Format:
+;   [section] ; section goes between []
+;   param=value ; assign values to parameters
+
+config_version=5
+
+[application]
+
+config/name="Salesman"
+run/main_scene="res://Scenes/Main.tscn"
+config/features=PackedStringArray("4.2", "GL Compatibility")
+config/icon="res://icon.svg"
+
+[editor_plugins]
+
+enabled=PackedStringArray()
+
+[rendering]
+
+renderer/rendering_method="gl_compatibility"
+renderer/rendering_method.mobile="gl_compatibility"