World.gd

1	extends Node2D
2
3	const Enemy = preload("res://actors/Enemy.tscn")
4	const Bomb = preload("res://weapons/Bomb.tscn")
5	const Asteroid = preload("res://items/Asteroid.tscn")
6
7	const Utils = preload("res://utils/Utils.gd")
8	const Weapons = preload("res://weapons/Weapons.gd")
9	const PowerUp = preload("res://items/PowerUp.tscn")
10	const Settings = preload("res://utils/Settings.gd")
11	onready var player: Player = $Player
12	onready var update_timer = $UpdateTimer
13	onready var navigation_polygon_instance: NavigationPolygonInstance = $NavigationPolygonInstance
14	onready var environment_node = $Environment
15
16	var generators = [
17	ConstantItemGenerator.new("create_enemy", self, "enemies", 5),
18	ConstantItemGenerator.new("create_health", self, "health", 20),
19	ConstantItemGenerator.new("create_weapon", self, "weapon", 10),
20	ConstantItemGenerator.new("create_bomb", self, "bombs", 10),
21	LevelItemGenerator.new(5, "create_gold", self, "gold", 5),
22	ConstantItemGenerator.new("create_asteroid", self, "asteroids", 10),
23	]
24	var completed_objectives = 0
25	var max_objectives = 5
26	var item_replacement_distance = 2000
27	var is_dragging = false
28	var is_game_over = false
29	export var starting_zoom = 1.5
30
31	func enemy_killed(_position: Vector2):
32	player.score += 5
33	func health_consumed(_power_up):
34	player.heal(20)
35	player.score += 1
36	func gold_consumed(_power_up):
37	completed_objectives += 1
38	var points = 5 * (completed_objectives+1)
39	player.score += points
40	player.show_message("+%d points" % points)
41	player.health = player.max_health
42	func weapon_consumed(power_up):
43	var data = power_up.data
44	var weapon: Weapon = data
45	var is_same_weapon = player.weapon.name == weapon.name
46	if is_same_weapon && weapon.ammo != INF:
47	player.weapon.ammo += player.weapon.reload_size
48	else:
49	player.weapon = weapon
50	func bomb_consumed(power_up):
51	var pos: Vector2 = power_up.global_position
52	var bomb = Bomb.instance()
53	environment_node.call_deferred("add_child",bomb)
54	bomb.position = pos
55
56	func create_enemy() -> Enemy:
57	var enemy = Enemy.instance()
58	enemy.position = get_new_environment_position(1)
59	enemy.connect("enemy_killed", self, "enemy_killed")
60	return enemy
61	func create_health() -> PowerUp:
62	var health = PowerUp.instance()
63	health.position = get_new_environment_position(randf() + .5)
64	health.connect("consumed", self, "health_consumed")
65	health.label = "+HP"
66	health.color = Color.green
67	return health
68	func create_bomb() -> PowerUp:
69	var bomb = PowerUp.instance()
70	var pos = get_new_environment_position(randf() + .5)
71	bomb.position = pos
72	bomb.connect("consumed", self, "bomb_consumed")
73	bomb.label = "BOMB"
74	bomb.color = Color.purple
75	return bomb
76	func create_gold(pos: Vector2 = get_new_environment_position(1 + randf())) -> PowerUp:
77	var gold = PowerUp.instance()
78	gold.position = pos
79	gold.connect("consumed", self, "gold_consumed")
80	gold.label = ""
81	gold.color = Color.gold
82	return gold
83	func create_weapon() -> PowerUp:
84	var weapon: PowerUp = PowerUp.instance()
85	weapon.position = get_new_environment_position(randf() + .5)
86	var _err = weapon.connect("consumed", self, "weapon_consumed")
87	var r = randf()
88	if r < .45:
89	weapon.data = Weapons.create_rocket_gun()
90	weapon.label = "ROC"
91	weapon.color = Color.red
92	elif r < .9:
93	weapon.data = Weapons.create_smg_gun()
94	weapon.label = "SMG"
95	weapon.color = Color.orange
96	else:
97	weapon.data = Weapons.create_basic_gun()
98	weapon.label = "LZR"
99	weapon.color = Color.pink
100	return weapon
101	func create_asteroid() -> Asteroid:
102	var asteroid: Asteroid = Asteroid.instance()
103	asteroid.position = get_new_environment_position(randf() * 2)
104	asteroid.spin_rate = randf() * 2 - 1
105	asteroid.scale = (randf() 2 + .5)
106	asteroid.velocity = Vector2.UP.rotated(randf() * PI * 2) * randf() * 100
107	return asteroid
108
109	func get_new_item_pos(dist_ratio: float = 1.0) -> Vector2:
110	var pos_angle = randi() % 360
111	var unit_vector = Vector2.UP.rotated(pos_angle)
112	var size = get_viewport().get_visible_rect().size
113	var max_side = max(size.x, size.y)
114	var screen_radius = max_side + 10
115	var enemy_spawn_dist = screen_radius * dist_ratio
116	var pos = unit_vector * enemy_spawn_dist + $Player.global_position
117	return pos
118	func get_new_environment_position(dist_ratio: float = 1.0) -> Vector2:
119	var potential_pos: Vector2
120	while true:
121	# find the positions of the closest Environment items
122	var items = environment_node.get_children()
123	potential_pos = get_new_item_pos(dist_ratio)
124	var closest_pos = 10000
125	for i in items:
126	var item: Node2D = i
127	var pos = item.global_position
128	var dist = potential_pos.distance_to(pos)
129	if dist < closest_pos:
130	closest_pos = dist
131	var is_too_close = closest_pos < 50
132	var found_one = !is_too_close
133	if found_one:
134	break
135	return potential_pos
136
137	func _ready() -> void:
138	player.camera.zoom = Vector2(starting_zoom, starting_zoom)
139	run_generators()
140	# # position first two enemies
141	# var enemies = get_tree().get_nodes_in_group("enemies")
142	# var enemy1: Enemy = enemies[0]
143	# enemy1.position = Vector2(-300, 200)
144	# var enemy2: Enemy = enemies[1]
145	# enemy2.position = Vector2(300, 200)
146	pass
147
148	func run_generators() -> void:
149	for g in generators:
150	var generator = g
151	while true:
152	var is_done = generator.run($Environment)
153	if is_done:
154	break
155	pass
156
157	func _input(_event: InputEvent) -> void:
158	if player.dead:
159	return
160
161	func _process(_delta: float) -> void:
162	if is_game_over:
163	return
164
165	# move navigation polygon around the player, navigation won't work outside of this polygon
166	var nav_size = Vector2(item_replacement_distance * 2 * 5, item_replacement_distance * 2 * 5)
167	var nav_pos = player.global_position - (nav_size * 0.5)
168	var vertices = PoolVector2Array([
169	nav_pos,
170	nav_pos + Vector2(nav_size.x, 0),
171	nav_pos + nav_size,
172	nav_pos + Vector2(0, nav_size.y)
173	])
174	var polygon = NavigationPolygon.new()
175	polygon.set_vertices(vertices)
176	var indices = PoolIntArray([0, 1, 2, 3])
177	polygon.add_polygon(indices)
178	navigation_polygon_instance.navpoly = polygon
179
180	# set the objective text
181	player.set_objective("%s / %s" % [completed_objectives, max_objectives])
182
183	# if all objectives are complete, show the game finished menu
184	var all_done = completed_objectives == max_objectives
185	if all_done:
186	is_game_over = true
187	var score = player.score
188	player.add_high_score(score)
189	var final_message = "You won with %s points!" % score
190	$Player/UI/GameFinishedMenu.find_node("Label").text = final_message
191	$Player/UI/GameFinishedMenu.show()
192	$Player/UI/HUD.is_game_over = true
193	get_tree().paused = true
194	return
195
196	run_generators()
197
198	# position the destination
199	$Destination.visible = player.is_destination_set
200	$Destination.global_position = player.destination
201
202	# clear radar and populate with all items
203	var enemies = get_tree().get_nodes_in_group("enemies")
204	var filteredEnemies = Utils.filter(funcref(self,"filter_invalid_enemies"), enemies)
205	player.clear_radar()
206	player.update_radar(get_tree().get_nodes_in_group("gold"), Color.gold)
207	player.update_radar(filteredEnemies, Color.red)
208	if player.settings.show_items:
209	player.update_radar(get_tree().get_nodes_in_group("health"), Color.gray)
210	player.update_radar(get_tree().get_nodes_in_group("weapons"), Color.white)
211	player.update_radar(get_tree().get_nodes_in_group("bombs"), Color.purple)
212
213	func _on_Destination_body_entered(body: Node) -> void:
214	if body == player:
215	player.clear_destination()
216
217	func filter_invalid_enemies(enemy: Enemy) -> bool:
218	if enemy.dead:
219	return false
220	return true
221
222	func _on_ShootTimer_timeout() -> void:
223	if player.dead:
224	return
225
226	func _on_Button_pressed() -> void:
227	get_tree().paused = false
228	$UI/PauseMenu.hide()
229
230	func _on_Game_over_button_pressed() -> void:
231	$UI/GameFinishedMenu.hide()
232	restart()
233
234	func restart() -> void:
235	get_tree().paused = false
236	var _err = get_tree().reload_current_scene()
237
238	func _on_Player_debug() -> void:
239	# player.score += 1
240	# player.kill()
241	# player.score = 123
242	# completed_objectives = max_objectives
243	# player.debug()
244	# weapon_consumed(Weapons.create_rocket_gun())
245	pass
246
247	func _on_Player_destination_set() -> void:
248	$Destination.visible = player.is_destination_set
249	$Destination.global_position = player.destination
250	pass
251
252	func _on_UpdateTimer_timeout() -> void:
253	var env_items = environment_node.get_children()
254	for ei in env_items:
255	var item = ei as Node2D
256	var enemy := item as Enemy
257
258	# # if item is enemy, have them target the player
259	# if enemy:
260	# enemy.set_target($Player.position)
261
262	# if the item is too far from the player, teleport it to a closer location
263	var diff = item.global_position - player.global_position
264	var dist = diff.length()
265	var is_too_far = dist > item_replacement_distance
266	if is_too_far:
267	var new_pos = get_new_environment_position(1 + randf())
268	Utils.log("moving distant item from", item.global_position, "to", new_pos)
269	if enemy:
270	enemy.teleport(new_pos)
271	else:
272	item.global_position = new_pos