94 lines
3.4 KiB
GDScript
94 lines
3.4 KiB
GDScript
extends Node
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const ROOM_HEIGHT: float = 4.0
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const WALL_THICKNESS: float = 0.4
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const CORRIDOR_WIDTH: float = 4.0
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var rng: RandomNumberGenerator
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var rooms: Array = []
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func generate(parent: Node3D, seed: int, scale_difficulty: float = 1.0) -> Dictionary:
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rng = RandomNumberGenerator.new()
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rng.seed = seed
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rooms.clear()
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var room_count: int = rng.randi_range(5, 8)
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var pos := Vector3(0, 0, 0)
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var dir := Vector3(0, 0, -1)
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for i in range(room_count):
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var w: float = rng.randf_range(8.0, 14.0)
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var d: float = rng.randf_range(8.0, 14.0)
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rooms.append({"pos": pos, "size": Vector3(w, ROOM_HEIGHT, d)})
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if i == room_count - 1:
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break
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var corridor_len: float = rng.randf_range(4.0, 8.0)
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var step: Vector3 = dir * (max(w, d) * 0.5 + corridor_len + 4.0)
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pos += step
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if rng.randf() < 0.5:
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var rotate_left: bool = rng.randf() < 0.5
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dir = dir.rotated(Vector3.UP, PI * 0.5 * (1 if rotate_left else -1))
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_build_geometry(parent)
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return {"rooms": rooms, "spawn": rooms[0].pos + Vector3(0, 1, 0), "boss": rooms[-1].pos}
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func _build_geometry(parent: Node3D) -> void:
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for r in rooms:
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_build_room(parent, r.pos, r.size)
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for i in range(rooms.size() - 1):
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_build_corridor(parent, rooms[i].pos, rooms[i + 1].pos)
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func _build_room(parent: Node3D, center: Vector3, size: Vector3) -> void:
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_add_floor(parent, center, Vector2(size.x, size.z))
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var hw: float = size.x * 0.5
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var hd: float = size.z * 0.5
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_add_wall(parent, center + Vector3(0, ROOM_HEIGHT * 0.5, -hd), Vector3(size.x, ROOM_HEIGHT, WALL_THICKNESS))
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_add_wall(parent, center + Vector3(0, ROOM_HEIGHT * 0.5, hd), Vector3(size.x, ROOM_HEIGHT, WALL_THICKNESS))
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_add_wall(parent, center + Vector3(-hw, ROOM_HEIGHT * 0.5, 0), Vector3(WALL_THICKNESS, ROOM_HEIGHT, size.z))
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_add_wall(parent, center + Vector3(hw, ROOM_HEIGHT * 0.5, 0), Vector3(WALL_THICKNESS, ROOM_HEIGHT, size.z))
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func _build_corridor(parent: Node3D, from: Vector3, to: Vector3) -> void:
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var mid: Vector3 = (from + to) * 0.5
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var d: float = from.distance_to(to)
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var dir: Vector3 = (to - from).normalized()
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_add_floor(parent, Vector3(mid.x, 0, mid.z), Vector2(d, CORRIDOR_WIDTH) if abs(dir.x) > abs(dir.z) else Vector2(CORRIDOR_WIDTH, d))
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func _add_floor(parent: Node3D, center: Vector3, size: Vector2) -> void:
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var body := StaticBody3D.new()
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body.collision_layer = 1
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body.collision_mask = 0
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var mesh := MeshInstance3D.new()
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var box := BoxMesh.new()
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box.size = Vector3(size.x, 0.4, size.y)
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mesh.mesh = box
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var mat := StandardMaterial3D.new()
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mat.albedo_color = Color(0.25, 0.22, 0.2)
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mesh.material_override = mat
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mesh.position = Vector3(0, -0.2, 0)
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var col := CollisionShape3D.new()
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var shape := BoxShape3D.new()
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shape.size = Vector3(size.x, 0.4, size.y)
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col.shape = shape
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col.position = Vector3(0, -0.2, 0)
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body.add_child(mesh)
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body.add_child(col)
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body.position = center
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parent.add_child(body)
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func _add_wall(parent: Node3D, center: Vector3, size: Vector3) -> void:
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var body := StaticBody3D.new()
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body.collision_layer = 1
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body.collision_mask = 0
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var mesh := MeshInstance3D.new()
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var box := BoxMesh.new()
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box.size = size
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mesh.mesh = box
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var mat := StandardMaterial3D.new()
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mat.albedo_color = Color(0.35, 0.32, 0.28)
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mesh.material_override = mat
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var col := CollisionShape3D.new()
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var shape := BoxShape3D.new()
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shape.size = size
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col.shape = shape
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body.add_child(mesh)
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body.add_child(col)
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body.position = center
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parent.add_child(body)
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