Mag gen & work towards AI

scripts/v2/creature.gd

@@ -0,0 +1,56 @@
+class_name Creature
+extends Node
+
+signal damaged(amount)
+signal healed(amount)
+signal death()
+
+@export
+var max_hp: int = 1
+
+@export
+var death_sound: AudioStream = null
+
+@export
+var free_on_death: bool = true
+
+var hp: int :
+	get:
+		return hp
+	set(value):
+		var old_hp = hp
+
+		hp = clampi(value, 0, max_hp)
+
+		if hp < old_hp:
+			self.damaged.emit(old_hp - hp)
+		elif hp > old_hp:
+			self.healed.emit(hp - old_hp)
+		
+		if hp == 0:
+			self.death.emit()
+
+func _ready() -> void:
+	self.hp = self.max_hp
+	self.death.connect(self._creature_on_death)
+
+func take_damage(damage: int) -> void:
+	self.hp -= damage
+
+func heal(amount: int) -> void:
+	self.hp += amount
+
+func _creature_on_death() -> void:
+	
+	# Play a sound on creature death
+	if self.death_sound:
+		var audio_player = AudioStreamPlayer2D.new()
+		self.get_parent().add_child(audio_player)
+		audio_player.stream = self.death_sound
+		audio_player.bus = "Sound Effects"
+		audio_player.finished.connect(audio_player.queue_free)
+		audio_player.play()
+
+	# Destroy on death
+	if self.free_on_death:
+		self.queue_free()

scripts/v2/enemy.gd

@@ -0,0 +1,42 @@
+class_name Enemy
+extends Creature
+
+enum State {
+	IDLE,
+	CHASE,
+	ATTACK
+}
+
+@export
+var state: State = State.IDLE
+
+@export_category("Parts")
+@export
+var animation_player: AnimationPlayer
+
+var _chase_target: Node2D
+var _target_is_left: bool = false
+
+func _play_animation(animation: String) -> void:
+	if not animation_player:
+		return
+
+	if not animation_player.has_animation(animation):
+		return
+	
+	if animation_player.is_playing() and animation_player.current_animation == animation:
+		return
+	
+	animation_player.play(animation)
+
+func _process(delta: float) -> void:
+	var animation_name = str(State.keys()[self.state]).to_lower()
+	self._play_animation(animation_name)
+
+func _physics_process(delta: float) -> void:
+	match self.state:
+		State.CHASE:
+			if not self._chase_target:
+				self.state = State.IDLE
+			
+			pass

scripts/v2/world.gd

@@ -8,8 +8,3 @@ var map: TileMap
 
 func _ready() -> void:
 	self.generator.generate(map)
-
-func _process(_delta: float) -> void:
-	if Input.is_action_just_pressed("jump"):
-		map.clear()
-		self.generator.generate(map)

scripts/v2/worldgen/standard/entity_marker.gd

@@ -0,0 +1,65 @@
+class_name StandardEntityMarker
+extends Node2D
+
+enum SPAWN_METHOD {
+	ALL,
+	FURTHEST,
+	ONCE,
+	NONE
+}
+
+enum ENTITY_SELECTION_METHOD {
+	RANDOM,
+	POP
+}
+
+@export_category("Entity Spawning")
+@export
+var marker_id: String
+
+@export
+var entities: Array[PackedScene] = []
+
+@export
+var spawn_method: SPAWN_METHOD
+
+@export_range(0, 1.0)
+var spawn_chance: float = 1.0
+
+@export
+var entity_selection_method: ENTITY_SELECTION_METHOD
+
+@export_category("Marker Debug")
+@export
+var debug_color: Color = Color.WHITE
+
+@export
+var marker_size: int = 16
+
+func _ready() -> void:
+	self.add_to_group("genv2:entity_marker")
+	
+	var sprite: Sprite2D = self.get_node_or_null("Sprite2D")
+	if not sprite:
+		sprite = Sprite2D.new()
+		sprite.texture = _get_debug_texture()
+		self.add_child(sprite)
+	
+func _register(gen: StandardWorldGenerator) -> void:
+	if self.marker_id == "":
+		push_error("Marker ID is empty, this marker will not be used for spawning entities.")
+		return
+	gen._register_marker("genv2:entity_marker:%s" % self.marker_id, self)
+
+func _get_debug_texture() -> Texture2D:
+	var texture = GradientTexture2D.new()
+	
+	var gradient = Gradient.new()
+	gradient.colors = [self.debug_color]
+
+	texture.gradient = gradient
+
+	texture.width = self.marker_size
+	texture.height = self.marker_size
+	
+	return texture

scripts/v2/worldgen/standard/room.gd

@@ -62,8 +62,10 @@ func copy_to_map(map: TileMap) -> void:
 	for x in range(0, self.room_size.x):
 		for y in range(0, self.room_size.y):
 			var tile = self.get_cell_source_id(TILEMAP_LAYER, Vector2i(x, y))
+			var alt = self.get_cell_alternative_tile(TILEMAP_LAYER, Vector2i(x, y))
+			
 			if tile != -1:
-				map.set_cell(TILEMAP_LAYER, Vector2i(position.x + x, position.y + y), tile, Vector2i(0, 0))
+				map.set_cell(TILEMAP_LAYER, Vector2i(position.x + x, position.y + y), tile, Vector2i(0, 0), alt)
 			else:
 				map.set_cell(TILEMAP_LAYER, Vector2i(position.x + x, position.y + y), -1, Vector2i(0, 0))
 

scripts/v2/worldgen/standard_generator.gd

@@ -20,6 +20,8 @@ var _rooms_blocking: Array[PackedScene] = []
 
 var _progress_tracker: ProgressTracker
 
+var _markers: Dictionary = {}
+
 func _generate(map: TileMap) -> void:
 	self._progress_tracker = ProgressTracker.new(1)
 
@@ -32,6 +34,9 @@ func _generate(map: TileMap) -> void:
 	# Create rooms
 	self._create_rooms(map, init_room, self.max_room_path_length, _progress_tracker.next_step("Creating Rooms"))
 	map.update_internals()
+	
+	self._spawn_entities(map, _progress_tracker.next_step("Spawning Entities"))
+	map.update_internals()
 
 func _sort_rooms(step_tracker: ProgressStepTracker) -> void:
 	step_tracker.complete.call_deferred()
@@ -163,5 +168,95 @@ func _get_rooms(exit: Vector2i) -> Array[PackedScene]:
 		push_error("Invalid exit: " + str(exit))
 		return []
 
+func _register_marker(group: String, marker: Node2D) -> void:
+	if not group in self._markers:
+		self._markers[group] = [marker]
+	else:
+		self._markers[group].append(marker)
+
+func _spawn_entities(map: TileMap, step_tracker: ProgressStepTracker) -> void:
+	var tree = map.get_tree()
+	
+	# Register entity markers
+	for entity_marker in tree.get_nodes_in_group("genv2:entity_marker"):
+		if entity_marker is StandardEntityMarker:
+			entity_marker._register(self)
+	
+	for marker_id in self._markers:
+		var sample_marker: StandardEntityMarker = self._markers[marker_id][0]
+		
+		match sample_marker.spawn_method:
+			StandardEntityMarker.SPAWN_METHOD.ALL:
+				for marker in self._markers[marker_id]:
+					map.erase_cell.call_deferred(0, map.local_to_map(marker.position))
+					
+					var packed_entity: PackedScene = _select_entity(marker.entity_selection_method, marker.entities)
+					if packed_entity == null:
+						continue
+					
+					var entity: Node2D = packed_entity.instantiate()
+					entity.position = marker.position
+					map.add_child(entity)
+			StandardEntityMarker.SPAWN_METHOD.FURTHEST:
+				var furthest_marker: StandardEntityMarker = self._markers[marker_id].pop_back()
+				var furthest_distance: float = furthest_marker.position.distance_to(Vector2.ZERO)
+				
+				# Calculate furthest marker and destroy others
+				for marker in self._markers[marker_id]:
+					var calc_distance: float = marker.position.distance_to(Vector2.ZERO)
+					if calc_distance > furthest_distance:
+						map.erase_cell(0, map.local_to_map(furthest_marker.position))
+						furthest_marker = marker
+						furthest_distance = calc_distance
+					else:
+						map.erase_cell(0, map.local_to_map(marker.position))
+
+				# Erase furthest marker
+				map.erase_cell.call_deferred(0, map.local_to_map(furthest_marker.position))
+
+				# Get entity
+				var packed_entity: PackedScene = _select_entity(furthest_marker.entity_selection_method, furthest_marker.entities)
+				if packed_entity == null:
+					continue
+
+				var entity: Node2D = packed_entity.instantiate()
+				entity.position = furthest_marker.position
+				map.add_child(entity)
+				
+				
+			StandardEntityMarker.SPAWN_METHOD.ONCE:
+				var i = randi() % len(self._markers[marker_id])
+				var marker = self._markers[marker_id][i]
+				
+				var packed_entity: PackedScene = _select_entity(marker.entity_selection_method, marker.entities)
+				if packed_entity != null:
+					var entity: Node2D = packed_entity.instantiate()
+					entity.position = marker.position
+					map.add_child(entity)
+				
+				for _marker in self._markers[marker_id]:
+					map.erase_cell(0, map.local_to_map(_marker.position))
+				
+			StandardEntityMarker.SPAWN_METHOD.NONE:
+				for marker in self._markers[marker_id]:
+					map.erase_cell(0, map.local_to_map(marker.position))
+			_:
+				push_error("Invalid spawning method!")
+				continue
+
+func _select_entity(mode: StandardEntityMarker.ENTITY_SELECTION_METHOD, entities: Array) -> PackedScene:
+	if len(entities) == 0:
+		return null
+	
+	match mode:
+		StandardEntityMarker.ENTITY_SELECTION_METHOD.RANDOM:
+			var i = randi() % len(entities)
+			return entities[i]
+		StandardEntityMarker.ENTITY_SELECTION_METHOD.POP:
+			var i = randi() % len(entities)
+			return entities.pop_at(i)
+
+	return null
+
 func _get_progress_tracker() -> ProgressTracker:
 	return self._progress_tracker