refactor player health changes and initialization, rename PlayerState variables

scripts/NPCEnemy.gd

@@ -4,6 +4,8 @@ extends NPC
 
 
 var target
+var attack_base := 1
+var attack_damage := 0
 var speed := 200
 var prevCollisions := 0
 
@@ -32,6 +34,9 @@ func _ready() -> void:
     %Healthbar.max_value = maxHealth
     %Healthbar.value = maxHealth
     
+    # set damage
+    attack_damage = attack_base 
+    
 
 func _process(_delta: float) -> void:
     %Healthbar.value = maxHealth - damageTaken
@@ -59,8 +64,7 @@ func _physics_process(_delta):
 
 
 func _deal_damage() -> void:
-    PlayerState.player_currenthealth -= 1
-    SignalBus.enemy_damaged_player.emit()
+    SignalBus.enemy_damaged_player.emit(attack_damage)
 
 func _on_attack_timer_timeout() -> void:
     _deal_damage()

scripts/Player.gd

@@ -4,9 +4,9 @@ extends VBoxContainer
 
 
 var area_exp := 0.0
-var current_health : int
-var resource_type : String
-var current_resource : int
+var current_health: int
+var resource_type: String
+var current_resource: int
 
 
 func _ready() -> void:
@@ -15,7 +15,7 @@ func _ready() -> void:
     SignalBus.enemy_damaged_player.connect(_on_enemy_damaged_player)
     _set_player_display()
     $PlayerExpBar.value = _get_level_progress_percent()
-    $PlayerLabel/PlayerLevel.text = str(floor(PlayerState.player_level))
+    $PlayerLabel/PlayerLevel.text = str(floor(PlayerState.level))
 
 
 func _on_enemy_died(enemyDifficulty, enemyTier, _enemyFaction) -> void:
@@ -29,7 +29,7 @@ func _on_enemy_died(enemyDifficulty, enemyTier, _enemyFaction) -> void:
 
 
 func _get_player_current_health() -> void:
-    var playerCurrHeath = PlayerState.player_currenthealth
+    var playerCurrHeath = PlayerState.current_health
     $PlayerHealthBar/PlayerHealthCurrent.text = str(playerCurrHeath)
     $PlayerHealthBar.value = playerCurrHeath
     if playerCurrHeath <= 0:
@@ -38,19 +38,34 @@ func _get_player_current_health() -> void:
     
 
 func _set_player_display() -> void:
-    var playerMaxHeath = PlayerState.player_maxhealth
-    var playerCurrHeath = PlayerState.player_currenthealth
-    $PlayerHealthBar/PlayerHealthMax.text = str(playerMaxHeath)
-    $PlayerHealthBar/PlayerHealthCurrent.text = str(playerCurrHeath)
-    $PlayerHealthBar.value = playerCurrHeath
+    var max_health = PlayerState.max_health
+    current_health = max_health
+    $PlayerHealthBar/PlayerHealthMax.text = str(max_health)
+    $PlayerHealthBar/PlayerHealthCurrent.text = str(current_health)
+    $PlayerHealthBar.value = current_health
+    
+
+func _set_player_current_health(change: int) -> void:
+    var prev_health = current_health
+    var new_health = prev_health + change
+    current_health = new_health
+    if current_health <= 0:
+        %PlayerHealthBar/PlayerHealthCurrent.text = str(0)
+        $PlayerHealthBar.value = 0
+        # TODO: change to scene transition after slowing for a couple seconds
+        Engine.time_scale = 0.0001
+    else:
+        $PlayerHealthBar/PlayerHealthCurrent.text = str(new_health)
+        $PlayerHealthBar.value = new_health
     
     
-func _on_enemy_damaged_player() -> void:
-    _get_player_current_health()
+func _on_enemy_damaged_player(damage: int) -> void:
+    var damage_received = damage
+    _set_player_current_health(-damage_received)
 
 
 func _calculate_player_level() -> float:
-    var current_exp = PlayerState.player_exp
+    var current_exp = PlayerState.experience
     return log((0.2 * current_exp + 5) / 5.0) + 1
 
 
@@ -60,10 +75,10 @@ func _get_level_progress_percent() -> float:
        
 
 func _on_quest_completed() -> void:
-    PlayerState.player_exp += area_exp
-    PlayerState.player_level = _calculate_player_level()
+    PlayerState.experience += area_exp
+    PlayerState.level = _calculate_player_level()
     $PlayerExpBar.value = _get_level_progress_percent()
-    $PlayerLabel/PlayerLevel.text = str(floor(PlayerState.player_level))
+    $PlayerLabel/PlayerLevel.text = str(floor(PlayerState.level))
     # if Globals.debug:
     #     print("FA: ", area_exp)
     #     print("L: ", PlayerState.player_level)

scripts/PlayerState.gd

@@ -1,12 +1,14 @@
 # singleton to store player state/values
+# everything contained here needs to be utilized in many places or saved 
+# between play sessions
 extends Node
 
 
-@export var player_constitution := 1
-@export var player_exp := 0.0
-@export var player_level := 1.0
-@export var player_maxhealth := player_constitution * player_level * 100
+var constitution := 1
+var experience := 0.0
+var level := 1.0
+var max_health := constitution * 100
 # TEST: change current health to var on player and use signals to take damage?
-@export var player_currenthealth := player_maxhealth
-var player_maxresource := 100
-var player_weapon_type : Globals.Weapon.WeaponType
+var current_health := max_health
+var max_resource := 100
+var weapon_type: Globals.Weapon.WeaponType

scripts/SignalBus.gd

@@ -7,7 +7,7 @@ signal enemy_died(
     npcTier: NPC.NPCTier,
     faction: Globals.World.Faction,
 )
-signal enemy_damaged_player
+signal enemy_damaged_player(damage : int)
 signal quest_generated(quest: Quest)
 signal quest_completed
 signal area_continue_pressed()