Stamina tweak.

Main.tscn

@@ -37,6 +37,7 @@ margin_bottom = 182.0
 rect_scale = Vector2( 2, 2 )
 
 [node name="Viewport" type="Viewport" parent="ViewportContainer"]
+unique_name_in_owner = true
 size = Vector2( 320, 180 )
 handle_input_locally = false
 render_target_update_mode = 3
@@ -54,6 +55,7 @@ position = Vector2( 112, 56 )
 [node name="UI_Layer" parent="ViewportContainer/Viewport" instance=ExtResource( 3 )]
 
 [node name="CameraGuide" type="KinematicBody2D" parent="ViewportContainer/Viewport"]
+unique_name_in_owner = true
 position = Vector2( 160, 90 )
 collision_layer = 0
 collision_mask = 256
@@ -65,6 +67,7 @@ shape = SubResource( 1 )
 one_way_collision = true
 
 [node name="Camera2D" type="Camera2D" parent="ViewportContainer/Viewport"]
+unique_name_in_owner = true
 position = Vector2( 160, 90 )
 current = true
 script = ExtResource( 6 )

lib/components/Stamina_Component.gd

@@ -0,0 +1,39 @@
+class_name StaminaComponent
+extends Node
+
+export var max_stamina: int = 0
+## Recovery Rate in units per second
+export var recovery_rate: int = 0
+onready var stamina :int = max_stamina
+
+
+signal stamina_depleted()
+
+var recovery_counter: float = 0
+
+
+func _process(delta):
+	recovery_counter += delta 
+	if recovery_rate != 0:
+		var _rate :float = 1.0/float(recovery_rate)
+		if recovery_counter > _rate: ## Divide by zero warning
+			recover(1)
+			recovery_counter = 0
+
+func reduce_stamina(_amount :int):
+	if _amount < 0:
+		push_error("ERROR: Only positive numbers in stamina component functions.")
+	stamina -= _amount
+	
+	if stamina <= 0:
+		emit_signal("stamina_depleted")
+		stamina = 0
+		
+func recover(recover_amount :int):
+	if recover_amount < 0:
+		push_error("ERROR: Only positive numbers in stamina component functions.")
+		return
+	stamina += recover_amount
+	
+	if stamina > max_stamina:
+		stamina = max_stamina

lib/components/Stamina_Component.tscn

@@ -0,0 +1,6 @@
+[gd_scene load_steps=2 format=2]
+
+[ext_resource path="res://lib/components/Stamina_Component.gd" type="Script" id=1]
+
+[node name="Stamina_Component" type="Node"]
+script = ExtResource( 1 )

lib/parent_scenes/actor.tscn

@@ -1,20 +1,20 @@
 [gd_scene load_steps=6 format=2]
 
-[ext_resource path="res://lib/classes/animated_sprite_state_receiver.gd" type="Script" id=1]
-[ext_resource path="res://lib/classes/state_machine.gd" type="Script" id=2]
-[ext_resource path="res://lib/classes/audiostreamplayer_state_receiver.gd" type="Script" id=3]
-[ext_resource path="res://lib/classes/movement_state_receiver.gd" type="Script" id=5]
-[ext_resource path="res://lib/classes/actor.gd" type="Script" id=8]
+[ext_resource path="res://lib/classes/state_machine.gd" type="Script" id=1]
+[ext_resource path="res://lib/classes/actor.gd" type="Script" id=2]
+[ext_resource path="res://lib/classes/movement_state_receiver.gd" type="Script" id=3]
+[ext_resource path="res://lib/classes/animated_sprite_state_receiver.gd" type="Script" id=4]
+[ext_resource path="res://lib/classes/audiostreamplayer_state_receiver.gd" type="Script" id=5]
 
-[node name="ActorTemplate" type="KinematicBody2D"]
+[node name="Actor" type="KinematicBody2D"]
 collision_layer = 2
-script = ExtResource( 8 )
-
-[node name="Movement_StateMachine" type="Node" parent="."]
 script = ExtResource( 2 )
 
-[node name="AnimatedSprite_StateReceiver" type="AnimatedSprite" parent="."]
+[node name="Movement_StateMachine" type="Node" parent="."]
 script = ExtResource( 1 )
+
+[node name="AnimatedSprite_StateReceiver" type="AnimatedSprite" parent="."]
+script = ExtResource( 4 )
 __meta__ = {
 "_aseprite_wizard_config_": {
 "layer": "",
@@ -31,9 +31,9 @@ __meta__ = {
 callable_state_machine = NodePath("../Movement_StateMachine")
 
 [node name="Movement_StateReceiver" type="Node" parent="."]
-script = ExtResource( 5 )
+script = ExtResource( 3 )
 callable_state_machine = NodePath("../Movement_StateMachine")
 
 [node name="AudioStreamPlayer_StateReceiver" type="AudioStreamPlayer" parent="."]
-script = ExtResource( 3 )
+script = ExtResource( 5 )
 callable_state_machine = NodePath("../Movement_StateMachine")

project.godot

@@ -104,6 +104,11 @@ _global_script_classes=[ {
 "language": "GDScript",
 "path": "res://lib/classes/sound_effect_state_frame.gd"
 }, {
+"base": "Node",
+"class": "StaminaComponent",
+"language": "GDScript",
+"path": "res://lib/components/Stamina_Component.gd"
+}, {
 "base": "Resource",
 "class": "State",
 "language": "GDScript",
@@ -159,6 +164,7 @@ _global_script_class_icons={
 "Movement_StateReceiver": "",
 "Projectile": "",
 "SE_StateFrame": "",
+"StaminaComponent": "",
 "State": "",
 "StateAnimatedActor": "",
 "StateMachine": "",

src/actors/players/playerD/Player.tscn

@@ -1,6 +1,6 @@
 [gd_scene load_steps=116 format=2]
 
-[ext_resource path="res://lib/templates/Actor/ActorTemplate.tscn" type="PackedScene" id=1]
+[ext_resource path="res://lib/parent_scenes/actor.tscn" type="PackedScene" id=1]
 [ext_resource path="res://src/actors/players/playerD/movement_component.gd" type="Script" id=2]
 [ext_resource path="res://src/actors/players/playerD/Player.gd" type="Script" id=3]
 [ext_resource path="res://lib/components/Health_Component.tscn" type="PackedScene" id=7]

src/actors/players/playerE/PlayerE-Movement_StateReceiver.gd

@@ -1,10 +1,14 @@
 extends Movement_StateReceiver
 
 var parent_request_state_change :FuncRef
+var parent_use_primary_item :FuncRef
 
 var player_number: int = 1
 
 onready var pew_machine = $"%PewMachine"
+onready var stamina_component = $"%Stamina_Component"
+
+var state_stamina_cost :Dictionary
 
 func _ready():
 	var state_ref :State
@@ -14,6 +18,10 @@ func _ready():
 	#TODO Should probably assert here or something.
 	state_ref.connect("state_entered", self, "_on_state_entered_" + state_name)
 	parent_request_state_change = funcref(get_node(callable_state_machine), 'check_parent_before_state_change')
+
+	if parent.has_method("use_primary_item"):
+		parent_use_primary_item = funcref(parent, "use_primary_item")
+
 	# Lets see if this nutty thing works
 #	var state_ref :State = get_node(callable_state_machine).get_state_reference('idle')
 #	state_ref.connect("state_entered", self, "_on_state_entered_idle")
@@ -30,7 +38,7 @@ func get_movement_direction() -> float:
 
 var _wants_jump :bool
 func wants_jump() -> bool:	
-	if Input.is_action_just_pressed("jump_" + str(player_number)):
+	if Input.is_action_just_pressed("jump_" + str(player_number)) and stamina_component.stamina >= state_stamina_cost["jump"]:
 		desired_movement_vector.y = UP
 		_wants_jump = true
 		return true
@@ -77,11 +85,11 @@ func wants_dash() -> bool:
 var _wants_roll :bool
 func wants_roll() -> bool:
 	if Input.is_action_just_pressed("dash_" + str(player_number)) and Input.is_action_pressed("move_up_" + str(player_number)):
-		_wants_roll = true
-		return true
-	else:
-		_wants_roll = false
-		return false
+		if parent.enough_stamina_for("roll"):
+			_wants_roll = true
+			return true
+	_wants_roll = false
+	return false
 
 var _wants_climb :bool
 func wants_climb() -> bool:
@@ -151,15 +159,20 @@ func _state_process_physics_idle():
 
 func attack_primary():
 	##Another thing I wish I could avoid the funcref or string call
-	if get_parent().has_method("primary_item"):
-		var _item_state_name :String = get_parent().primary_item()
+#	if get_parent().has_method("use_primary_item"):
+#		var _item_state_name :String = get_parent().use_primary_item()
+#		if _item_state_name != '':
+#			request_state_change.call_func(_item_state_name)
+	if parent_use_primary_item.is_valid():
+		var _item_state_name :String = parent_use_primary_item.call_func()
 		if _item_state_name != '':
 			request_state_change.call_func(_item_state_name)
 
 
+
 func attack_secondary():
-	if get_parent().has_method("secondary_item"):
-		var _item_state_name :String = get_parent().secondary_item()
+	if get_parent().has_method("use_secondary_item"):
+		var _item_state_name :String = get_parent().use_secondary_item()
 		if _item_state_name != '':
 			request_state_change.call_func(_item_state_name)
 

src/actors/players/playerE/PlayerE.gd

@@ -7,25 +7,47 @@ export var player_number: int = 1
 # var b = "text"
 
 onready var player_inventory :InventoryManager = InventoryManager.new()
+onready var stamina_component = $"%Stamina_Component"
+onready var health_component = $"%Health_Component"
 
 var punch_item :Item = preload("res://assets/items/punch.tres")
 
+const state_stamina_cost :Dictionary = {
+	"jump": 10,
+	"attack_sword":20,
+	"attack_punch":10,
+	"roll":40,
+	"ledge_climb":10
+}
+
 # Called when the node enters the scene tree for the first time.
 func _ready():
-	PlayerInfo.player_health = $Health_Component.health
+	PlayerInfo.player_health = health_component.health
 	PlayerInfo.player_inventory = player_inventory
+	PlayerInfo.player_stamina = stamina_component.stamina
 	# Set initial player position in world.
 	global_position = LevelInfo.player_start_position
 
 	player_inventory.add_to_inventory(punch_item)
 	player_inventory.select_primary(punch_item)
+	
+	movement_component.state_stamina_cost = state_stamina_cost
 
 
-
+#var stamina_recovery :float = 0.0
 
 # Called every frame. 'delta' is the elapsed time since the previous frame.
 func _process(delta):
 	PlayerInfo.player_position = global_position.round()
+#	stamina_recovery += delta
+#	if stamina_recovery > 1.0:
+#		stamina_component.recover(1)
+#		stamina_recovery = 0.0
+#		#print("recover ", stamina_component.stamina)
+	
+	PlayerInfo.player_stamina = stamina_component.stamina
+
+	
 	match movement_state_machine.current_state.name:
 		"idle":
 			if Input.is_action_just_released("switch_primary_item_" + str(player_number)):
@@ -39,10 +61,10 @@ func _process(delta):
 
 func hit_Receiver(damage):
 	$Hurtbox_Component.set_hurtbox(false)
-	$Health_Component.take_damage(damage)
+	health_component.take_damage(damage)
 	if $Health_Component.health > 0:
 		movement_state_machine.change_to_known_state('hurt')
-	PlayerInfo.player_health = $Health_Component.health
+	PlayerInfo.player_health = health_component.health
 	if PlayerInfo.player_health <= 0:
 		return
 	yield( get_tree().create_timer(2 + movement_state_machine.get_state_reference('hurt').timeout_seconds), "timeout")
@@ -70,6 +92,15 @@ func touch_the_thing(the_thing: Interactable) -> bool:
 		the_thing.trigger_interaction()
 	return true
 
+func enough_stamina_for(_state_name :String) -> bool:
+	if state_stamina_cost.has(_state_name):
+		if stamina_component.stamina >= state_stamina_cost[_state_name]:
+			return true
+		else: 
+			return false
+	## Return true by default because we don't have a cost for this move
+	return true
+
 var state_to_item_map :Dictionary = {
 	"sword": "attack_sword" ,
 	"gun": "attack_shoot",
@@ -78,7 +109,7 @@ var state_to_item_map :Dictionary = {
 }
 
 ##TODO: We need to find a way to 'use' the item.
-func primary_item() -> String:
+func use_primary_item() -> String:
 #	if player_inventory.primary_selection.consumable == false:
 #		if state_to_item_map.has(player_inventory.primary_selection.name):
 #			player_inventory.remove_from_inventory(player_inventory.primary_selection)
@@ -87,18 +118,32 @@ func primary_item() -> String:
 	if player_inventory.primary_selection != null: # Have to make sure we even have a second
 		var _item_name :String = player_inventory.primary_selection.name
 		if state_to_item_map.has(_item_name):
+			var state_name = state_to_item_map[_item_name]
+			## This item state has a cost associated with it.
+			if enough_stamina_for(state_name):
+				#print("Yup: ", state_stamina_cost[state_name], "<=", stamina_component.stamina)
+				player_inventory.remove_from_inventory(player_inventory.primary_selection)
+				return state_to_item_map[_item_name]
+			else:
+				## TODO: maybe some sort of 'fail' animation state
+				#print("Nope: ", state_stamina_cost[state_name], "<=", stamina_component.stamina)
+				return '' ## you can't use this
 			player_inventory.remove_from_inventory(player_inventory.primary_selection)
 			return state_to_item_map[_item_name]
 
 	return ''
 
-func secondary_item() -> String:
+func use_secondary_item() -> String:
 	if player_inventory.secondary_selection != null: # Have to make sure we even have a second
 		var _item_name :String = player_inventory.secondary_selection.name
 		if state_to_item_map.has(_item_name):
-			player_inventory.remove_from_inventory(player_inventory.secondary_selection)
-			return state_to_item_map[_item_name]
-
+			var state_name = state_to_item_map[_item_name]
+			if enough_stamina_for(state_name):
+				player_inventory.remove_from_inventory(player_inventory.secondary_selection)
+				return state_to_item_map[_item_name]
+			else:
+				## TODO: maybe some sort of 'fail' animation state
+				return ''
 	return ''
 
 #func check_state_change(_new_state_name: String) -> bool:
@@ -111,3 +156,10 @@ func secondary_item() -> String:
 #		_: # None
 #			return true
 #	return true
+
+
+func _on_Movement_StateMachine_state_changed(old_state_name, new_state):
+#	if new_state.name == "jump":
+#		stamina_component.reduce_stamina(state_stamina_cost["jump"])
+	if state_stamina_cost.has(new_state.name):
+		stamina_component.reduce_stamina(state_stamina_cost[new_state.name])

src/actors/players/playerE/PlayerE.tscn

@@ -1,6 +1,6 @@
 [gd_scene load_steps=36 format=2]
 
-[ext_resource path="res://lib/templates/Actor/ActorTemplate.tscn" type="PackedScene" id=1]
+[ext_resource path="res://lib/parent_scenes/actor.tscn" type="PackedScene" id=1]
 [ext_resource path="res://assets/actors/players/playerE/PlayerE_SpriteFrames.tres" type="SpriteFrames" id=2]
 [ext_resource path="res://src/actors/players/playerE/PlayerE.gd" type="Script" id=3]
 [ext_resource path="res://src/actors/players/playerE/states/idle.tres" type="Resource" id=4]
@@ -27,8 +27,8 @@
 [ext_resource path="res://assets_tmp/SE/tap.wav" type="AudioStream" id=25]
 [ext_resource path="res://assets_tmp/SE/land.wav" type="AudioStream" id=26]
 [ext_resource path="res://src/actors/players/playerE/states/attack_punch.tres" type="Resource" id=27]
-[ext_resource path="res://src/PewMachine.gd" type="Script" id=28]
-[ext_resource path="res://src/projectiles/MushroomPew.tscn" type="PackedScene" id=29]
+[ext_resource path="res://src/components/PewMachine.tscn" type="PackedScene" id=28]
+[ext_resource path="res://lib/components/Stamina_Component.tscn" type="PackedScene" id=29]
 
 [sub_resource type="Resource" id=3]
 resource_local_to_scene = true
@@ -132,9 +132,15 @@ position = Vector2( 0, 2 )
 shape = SubResource( 1 )
 
 [node name="Health_Component" parent="." index="8" instance=ExtResource( 17 )]
+unique_name_in_owner = true
 max_health = 100
 
-[node name="Hurtbox_Component" parent="." index="9" instance=ExtResource( 16 )]
+[node name="Stamina_Component" parent="." index="9" instance=ExtResource( 29 )]
+unique_name_in_owner = true
+max_stamina = 50
+recovery_rate = 12
+
+[node name="Hurtbox_Component" parent="." index="10" instance=ExtResource( 16 )]
 collision_layer = 16
 collision_mask = 128
 hurtbox_entered_function = "hit_Receiver"
@@ -144,12 +150,10 @@ modulate = Color( 0, 0, 1, 1 )
 position = Vector2( -1, 2 )
 shape = SubResource( 2 )
 
-[node name="Interactable_Receiver" type="Node" parent="." index="10"]
+[node name="Interactable_Receiver" type="Node" parent="." index="11"]
 script = ExtResource( 21 )
 interactable_parent_callback = "touch_the_thing"
 
-[node name="PewMachine" type="Position2D" parent="." index="11"]
-unique_name_in_owner = true
-position = Vector2( 21, -7 )
-script = ExtResource( 28 )
-scene_path = ExtResource( 29 )
+[node name="PewMachine" parent="." index="12" instance=ExtResource( 28 )]
+
+[connection signal="state_changed" from="Movement_StateMachine" to="." method="_on_Movement_StateMachine_state_changed"]

src/classes/projectile.gd

@@ -1,14 +1,17 @@
 class_name Projectile
 extends Area2D
-
+##TODO: Probably implement some sort of object pooling option
+## so wen're not just deleting itself every timemout or screen exit.
 
 # Declare member variables here. Examples:
 # var a = 2
 # var b = "text"
 
 export var velocity_pps :float = 1
+export var lifespan :float = -1
 var direction_normal := Vector2(0,0)
 
+var time_alive :float = 0.0
 # Called when the node enters the scene tree for the first time.
 func _ready():
 	pass # Replace with function body.
@@ -16,9 +19,13 @@ func _ready():
 
 # Called every frame. 'delta' is the elapsed time since the previous frame.
 func _process(delta):
+	if lifespan != -1:
+		time_alive += delta
+		if time_alive > lifespan:
+			queue_free()
 	rotate(delta * 10)
 	position += direction_normal * velocity_pps * delta
-
+	
 
 func _on_body_entered(body):
 	var colliding_node = body
@@ -28,3 +35,7 @@ func _on_body_entered(body):
 
 func _on_area_entered(area):
 	pass # Replace with function body.
+
+
+func _on_VisibilityNotifier2D_screen_exited():
+	queue_free()

src/components/PewMachine.tscn

@@ -0,0 +1,10 @@
+[gd_scene load_steps=3 format=2]
+
+[ext_resource path="res://src/components/PewMachine.gd" type="Script" id=1]
+[ext_resource path="res://src/projectiles/MushroomPew.tscn" type="PackedScene" id=2]
+
+[node name="PewMachine" type="Position2D"]
+unique_name_in_owner = true
+position = Vector2( 21, -7 )
+script = ExtResource( 1 )
+scene_path = ExtResource( 2 )

src/parent_scenes/projectile.tscn

@@ -2,9 +2,12 @@
 
 [ext_resource path="res://src/classes/projectile.gd" type="Script" id=1]
 
-[node name="Projectile_Template" type="Area2D"]
+[node name="Projectile" type="Area2D"]
 monitorable = false
 script = ExtResource( 1 )
 
+[node name="VisibilityNotifier2D" type="VisibilityNotifier2D" parent="."]
+
 [connection signal="area_entered" from="." to="." method="_on_area_entered"]
 [connection signal="body_entered" from="." to="." method="_on_body_entered"]
+[connection signal="screen_exited" from="VisibilityNotifier2D" to="." method="_on_VisibilityNotifier2D_screen_exited"]

src/projectiles/MushroomPew.tscn

@@ -1,6 +1,6 @@
 [gd_scene load_steps=4 format=2]
 
-[ext_resource path="res://src/templates/projectile_template.tscn" type="PackedScene" id=1]
+[ext_resource path="res://src/parent_scenes/projectile.tscn" type="PackedScene" id=1]
 [ext_resource path="res://assets/items/mushroom_icon.png" type="Texture" id=2]
 
 [sub_resource type="CapsuleShape2D" id=1]
@@ -9,6 +9,7 @@ height = 2.0
 
 [node name="MushroomPew" instance=ExtResource( 1 )]
 velocity_pps = 300.0
+lifespan = 0.5
 
 [node name="CollisionShape2D" type="CollisionShape2D" parent="." index="0"]
 shape = SubResource( 1 )

src/ui/HUD.gd

@@ -16,6 +16,8 @@ onready var DialogIndicator = $PanelContainer/Polygon2D
 
 onready var health_bar = $HealthBar
 
+onready var stamina_bar = $StaminaBar
+
 ## Cool I can bring this in with a ctrl drag
 onready var selected_inventory_items = $"%SelectedInventoryItems"
 

src/ui/HUD.tscn

@@ -1,4 +1,4 @@
-[gd_scene load_steps=9 format=2]
+[gd_scene load_steps=10 format=2]
 
 [ext_resource path="res://icon.png" type="Texture" id=1]
 [ext_resource path="res://assets/Fonts/QuinqueFive.tres" type="DynamicFont" id=2]
@@ -8,6 +8,7 @@
 [ext_resource path="res://assets/UI/Healthbar-Indicator.png" type="Texture" id=6]
 [ext_resource path="res://assets/UI/Staminabar-Indicator.png" type="Texture" id=7]
 [ext_resource path="res://src/ui/SelectedInventoryItems.gd" type="Script" id=8]
+[ext_resource path="res://src/ui/StaminaBar.gd" type="Script" id=9]
 
 [node name="HUD" type="CanvasLayer"]
 pause_mode = 2
@@ -71,7 +72,7 @@ value = 50.0
 texture_under = ExtResource( 4 )
 texture_progress = ExtResource( 7 )
 texture_progress_offset = Vector2( 1, 1 )
-script = ExtResource( 5 )
+script = ExtResource( 9 )
 
 [node name="Debug" type="Label" parent="."]
 anchor_left = 1.0