start making procedural level generation

project.godot

@@ -11,7 +11,7 @@ config_version=5
 [application]
 
 config/name="jumpery"
-run/main_scene="uid://cfvb33kf48sga"
+run/main_scene="uid://1c1ewfy1hxh"
 config/use_custom_user_dir=true
 config/custom_user_dir_name="jumpery"
 config/features=PackedStringArray("4.4", "GL Compatibility")

scenes/player.tscn

@@ -49,7 +49,7 @@ physics_interpolation_mode = 2
 visible = false
 top_level = true
 script = ExtResource("6_tuyoq")
-_steps = 180
+steps = 180
 _line_color = Color(1, 1, 0, 1)
 _charge_color = Color(0, 1, 1, 1)
 _hit_color = Color(0, 1, 1, 1)

scenes/test_gen.tscn

@@ -0,0 +1,54 @@
+[gd_scene load_steps=9 format=4 uid="uid://1c1ewfy1hxh"]
+
+[ext_resource type="PackedScene" uid="uid://xlkx300774in" path="res://scenes/debugger.tscn" id="1_co1np"]
+[ext_resource type="TileSet" uid="uid://bvg74b201o0a7" path="res://resources/tileset.tres" id="2_p27jg"]
+[ext_resource type="PackedScene" uid="uid://db7d5pwp4gds" path="res://scenes/player.tscn" id="2_t6id5"]
+[ext_resource type="Script" uid="uid://cww6w0p32k5rm" path="res://scripts/main_camera.gd" id="3_ay1b2"]
+[ext_resource type="Script" uid="uid://dhi3fk24ivjb3" path="res://scripts/generator.gd" id="4_ay1b2"]
+
+[sub_resource type="WorldBoundaryShape2D" id="WorldBoundaryShape2D_8kul5"]
+normal = Vector2(-1, 0)
+
+[sub_resource type="WorldBoundaryShape2D" id="WorldBoundaryShape2D_t6id5"]
+normal = Vector2(1, 0)
+
+[sub_resource type="WorldBoundaryShape2D" id="WorldBoundaryShape2D_co1np"]
+
+[node name="TestGen" type="Node2D"]
+
+[node name="Debugger" parent="." instance=ExtResource("1_co1np")]
+
+[node name="WorldBoundary" type="StaticBody2D" parent="."]
+position = Vector2(241, 180)
+
+[node name="WorldBoundaryShapeR" type="CollisionShape2D" parent="WorldBoundary"]
+position = Vector2(232, 58)
+shape = SubResource("WorldBoundaryShape2D_8kul5")
+
+[node name="WorldBoundaryShapeL" type="CollisionShape2D" parent="WorldBoundary"]
+position = Vector2(-232, 48)
+shape = SubResource("WorldBoundaryShape2D_t6id5")
+
+[node name="WorldBoundaryShapeB" type="CollisionShape2D" parent="WorldBoundary"]
+position = Vector2(0, 140)
+shape = SubResource("WorldBoundaryShape2D_co1np")
+
+[node name="TileMapLayer" type="TileMapLayer" parent="."]
+position = Vector2(8, 0)
+tile_map_data = PackedByteArray("AAD//wAAAQAAAAAAAAD//wEAAQAAAAEAAAD//wIAAQAAAAEAAAD//wMAAQAAAAEAAAD//wQAAQAAAAEAAAD//wUAAQAAAAEAAAD//wYAAQAAAAEAAAD//wcAAQAAAAEAAAD//wgAAQAAAAEAAAD//wkAAQAAAAEAAAD//woAAQAAAAEAAAD//wsAAQAAAAEAAAD//wwAAQAAAAEAAAD//w0AAQAAAAEAAAD//w4AAQAAAAEAAAD//w8AAQAAAAEAAAD//xAAAQAAAAEAAAD//xEAAQAAAAEAAAD//xIAAQAAAAEAAAD//xMAAQAAAAEAAAD//xQAAQAEAAEAAAD//xUAAQAIAAEAAAD//xYAAQAIAAMAAAAdAAAAAQAAAAAAAAAdAAEAAQAAAAEAAAAdAAIAAQAAAAEAAAAdAAMAAQAAAAEAAAAdAAQAAQAAAAEAAAAdAAUAAQAAAAEAAAAdAAYAAQAAAAEAAAAdAAcAAQAAAAEAAAAdAAgAAQAAAAEAAAAdAAkAAQAAAAEAAAAdAAoAAQAAAAEAAAAdAAsAAQAAAAEAAAAdAAwAAQAAAAEAAAAdAA0AAQAAAAEAAAAdAA4AAQAAAAEAAAAdAA8AAQAAAAEAAAAdABAAAQAAAAEAAAAdABEAAQAAAAEAAAAdABIAAQAAAAEAAAAdABMAAQAAAAEAAAAdABQAAQAHAAEAAAAdABUAAQALAAIAAAAdABYAAQALAAMAAAAcABYAAQAJAAMAAAAbABYAAQAJAAMAAAAaABYAAQAJAAMAAAAZABYAAQAJAAMAAAAYABYAAQAJAAMAAAAXABYAAQAJAAMAAAAWABYAAQAJAAMAAAAVABYAAQAJAAMAAAAUABYAAQAJAAMAAAATABYAAQAJAAMAAAASABYAAQAJAAMAAAARABYAAQAJAAMAAAAQABYAAQAJAAMAAAAPABYAAQAJAAMAAAAOABYAAQAJAAMAAAANABYAAQAJAAMAAAAMABYAAQAJAAMAAAALABYAAQAJAAMAAAAKABYAAQAJAAMAAAAKABUAAQAJAAIAAAAJABUAAQAJAAIAAAAIABUAAQAJAAIAAAAHABUAAQAJAAIAAAAGABUAAQAJAAIAAAAFABUAAQAJAAIAAAAEABUAAQAJAAIAAAADABUAAQAJAAIAAAACABUAAQAJAAIAAAABABUAAQAJAAIAAAAAABUAAQAJAAIAAAAAABYAAQAJAAMAAAABABYAAQAJAAMAAAACABYAAQAJAAMAAAADABYAAQAJAAMAAAAEABYAAQAJAAMAAAAFABYAAQAJAAMAAAAGABYAAQAJAAMAAAAHABYAAQAJAAMAAAAIABYAAQAJAAMAAAAJABYAAQAJAAMAAAALABUAAQAJAAIAAAANABUAAQAJAAIAAAAMABUAAQAJAAIAAAAOABUAAQAJAAIAAAAPABUAAQAJAAIAAAAQABUAAQAJAAIAAAARABUAAQAJAAIAAAASABUAAQAJAAIAAAATABUAAQAJAAIAAAAUABUAAQAJAAIAAAAVABUAAQAJAAIAAAAWABUAAQAJAAIAAAAXABUAAQAJAAIAAAAYABUAAQAJAAIAAAAZABUAAQAJAAIAAAAaABUAAQAJAAIAAAAbABUAAQAJAAIAAAAcABUAAQAJAAIAAAAcABQAAQAKAAAAAAAbABQAAQAKAAAAAAAaABQAAQAKAAAAAAAZABQAAQAKAAAAAAAYABQAAQAKAAAAAAAXABQAAQAKAAAAAAAWABQAAQAKAAAAAAAVABQAAQAKAAAAAAAUABQAAQAKAAAAAAATABQAAQAKAAAAAAARABQAAQAKAAAAAAASABQAAQAKAAAAAAAQABQAAQAKAAAAAAAPABQAAQAKAAAAAAAOABQAAQAKAAAAAAANABQAAQAKAAAAAAAMABQAAQAKAAAAAAALABQAAQAKAAAAAAAKABQAAQAKAAAAAAAJABQAAQAKAAAAAAAIABQAAQAKAAAAAAAHABQAAQAKAAAAAAAGABQAAQAKAAAAAAAFABQAAQAKAAAAAAAEABQAAQAKAAAAAAADABQAAQAKAAAAAAACABQAAQAKAAAAAAABABQAAQAKAAAAAAAAABQAAQAKAAAAAAA=")
+tile_set = ExtResource("2_p27jg")
+
+[node name="Player" parent="." instance=ExtResource("2_t6id5")]
+position = Vector2(42, 320)
+
+[node name="MainCamera" type="Camera2D" parent="."]
+position = Vector2(240, 180)
+script = ExtResource("3_ay1b2")
+
+[node name="Trajectories" type="Node2D" parent="."]
+
+[node name="Generator" type="Node" parent="." node_paths=PackedStringArray("_tile_map", "_trajectory_holder")]
+script = ExtResource("4_ay1b2")
+_tile_map = NodePath("../TileMapLayer")
+_trajectory_holder = NodePath("../Trajectories")
+metadata/_custom_type_script = "uid://dhi3fk24ivjb3"

scripts/generator.gd

@@ -0,0 +1,34 @@
+class_name Generator
+extends Node
+
+const RANDOM_SEED: int = -1
+
+@export var generation_seed: int = RANDOM_SEED
+
+@export_group("References")
+@export var _tile_map: TileMapLayer
+@export var _trajectory_holder: Node2D
+
+@onready var _tile_set := _tile_map.tile_set
+
+
+func _ready() -> void:
+	if generation_seed != RANDOM_SEED:
+		seed(generation_seed)
+
+	var pos := Player.instance.global_position
+	for i in range(3):
+		var trajectory := Trajectory.new()
+		trajectory.global_position = pos
+		trajectory.flip_direction = i % 2 != 0
+		_trajectory_holder.add_child(trajectory)
+
+		var result_pos := trajectory.calculate(false)
+		result_pos.y += 1
+
+		var cell_coords := _tile_map.local_to_map(_tile_map.to_local(result_pos))
+		_tile_map.set_cell(cell_coords, 1, Vector2i(0, 3))
+		_tile_map.set_cells_terrain_connect([cell_coords], 0, 0)
+
+		pos = _tile_map.to_global(_tile_map.map_to_local(cell_coords))
+		pos.y -= _tile_set.tile_size.y / 2.0

scripts/generator.gd.uid

@@ -0,0 +1 @@
+uid://dhi3fk24ivjb3

scripts/player.gd

@@ -306,9 +306,10 @@ class CollisionHandler:
 			var to := collisions[i] + Vector2.DOWN
 			var query := PhysicsRayQueryParameters2D.create(from, to)
 			var result := space_state.intersect_ray(query)
-			if result["normal"] != Vector2.ZERO:
-				var normal := result["normal"] as Vector2
-				angle = -normal.angle_to(Vector2.UP)
-			if is_zero_approx(angle):
-				return angle
+			if result:
+				if result["normal"] != Vector2.ZERO:
+					var normal := result["normal"] as Vector2
+					angle = -normal.angle_to(Vector2.UP)
+				if is_zero_approx(angle):
+					return angle
 		return angle

scripts/trajectory.gd

@@ -90,9 +90,9 @@ const JUMP_REFERENCE: PackedFloat32Array = [
 	set(value):
 		charge_strength = value
 		queue_redraw()
-@export_range(0, 200) var _steps: int = 60:
+@export_range(0, 200) var steps: int = 60:
 	set(value):
-		_steps = value
+		steps = value
 		queue_redraw()
 @export var _jump: bool = true:
 	set(value):
@@ -118,7 +118,7 @@ const JUMP_REFERENCE: PackedFloat32Array = [
 	set(value):
 		_is_reference = value
 		queue_redraw()
-@export_tool_button("Calculate") var calculate := queue_redraw
+@export_tool_button("Recalculate") var recalculate := queue_redraw
 
 @export_group("Metrics")
 @export var _player_size: Vector2i = Vector2i(18, 26):
@@ -167,6 +167,10 @@ func _draw() -> void:
 	if not Engine.is_editor_hint() and Debugger.mode == Debugger.Mode.DISABLED:
 		return
 
+	calculate()
+
+
+func calculate(drawing: bool = true) -> Vector2:
 	if not _player_shape:
 		_player_shape = RectangleShape2D.new()
 	_player_shape.size = _player_size
@@ -184,18 +188,20 @@ func _draw() -> void:
 			)
 			points.append(pos)
 
-		draw_polyline(points, Color.WHITE, 2)
-		return
+		if drawing:
+			draw_polyline(points, Color.WHITE, 2)
+		return to_global(pos)
 
-	var charge_strength_line := (
-		Vector2(sin(charge_strength * PI * 2), -cos(charge_strength * PI * 2)) * 30
-	)
-	draw_line(pos, pos + charge_strength_line, _charge_color)
-	draw_dashed_line(
-		pos + Vector2.LEFT * _player_size.x / 2,
-		pos + Vector2.RIGHT * _player_size.x / 2,
-		Color.WHITE
-	)
+	if drawing:
+		var charge_strength_line := (
+			Vector2(sin(charge_strength * PI * 2), -cos(charge_strength * PI * 2)) * 30
+		)
+		draw_line(pos, pos + charge_strength_line, _charge_color)
+		draw_dashed_line(
+			pos + Vector2.LEFT * _player_size.x / 2,
+			pos + Vector2.RIGHT * _player_size.x / 2,
+			Color.WHITE
+		)
 
 	var velocity: Vector2
 	var direction: float = 0
@@ -209,7 +215,7 @@ func _draw() -> void:
 	var pos_prev := pos
 	var space_state := get_world_2d().direct_space_state
 
-	for i in range(_steps):
+	for i in range(steps):
 		if is_on_floor and is_zero_approx(floor_angle) and _stop_on_landing:
 			break
 
@@ -265,27 +271,30 @@ func _draw() -> void:
 			jump_released = handler.jump_released
 			velocity = handler.velocity
 
-			if handler.hit_floor or handler.hit_slope:
-				_draw_collision_hit(pos, SIDE_BOTTOM, _hit_color)
-			if handler.hit_ceiling:
-				_draw_collision_hit(pos, SIDE_TOP, _hit_color)
-			if handler.hit_wall:
-				_draw_collision_hit(
-					pos, SIDE_LEFT if velocity.x > 0 else SIDE_RIGHT, _hit_color
-				)
+			if drawing:
+				if handler.hit_floor or handler.hit_slope:
+					_draw_collision_hit(pos, SIDE_BOTTOM, _hit_color)
+				if handler.hit_ceiling:
+					_draw_collision_hit(pos, SIDE_TOP, _hit_color)
+				if handler.hit_wall:
+					_draw_collision_hit(
+						pos, SIDE_LEFT if velocity.x > 0 else SIDE_RIGHT, _hit_color
+					)
 
-		if i % 10 == 0 && i > 0:
+		if drawing and i % 10 == 0 and i > 0:
 			_draw_arrowhead(pos_prev, pos, _line_color)
 
 		points.append(pos)
 		pos_prev = pos
 
-		if _draw_hitbox:
+		if drawing and _draw_hitbox:
 			draw_rect(
 				Rect2(_get_hitbox_pos(pos), _player_size), Color(_hitbox_color, 0.1)
 			)
 
-	draw_polyline(points, _line_color)
+	if drawing:
+		draw_polyline(points, _line_color)
+	return to_global(pos)
 
 
 func _cast_motion(