game: add levelups

global_const.gd

@@ -15,3 +15,97 @@ const GROUP_ENEMY = "enemy"
 const GROUP_DAMAGEABLE = "damagable"
 const GROUP_PLAYER = "player"
 const GROUP_XP_ORB = "xp_orb"
+
+enum ModRarity { LEGENDARY, EPIC, RARE, NORMAL }
+
+var placeholder_tex: Texture2D
+
+var MOD_CHOICES = [
+	{
+		"internal_name": "flat_health_small",
+		"name": "+10 Health",
+		"rarity": ModRarity.NORMAL,
+		"tex": placeholder_tex,
+		"description": "Adds 10 flat health.",
+		"weight": 100,
+		"mod_name": "max_health",
+		"mod_value": 10.0,
+		"mod_type": PlayerStatsModifier.ModifierType.ADDITIVE
+	},
+	{
+		"internal_name": "flat_health_med",
+		"name": "+25 Health",
+		"rarity": ModRarity.RARE,
+		"tex": placeholder_tex,
+		"description": "Adds 25 flat health.",
+		"weight": 50,
+		"mod_name": "max_health",
+		"mod_value": 25.0,
+		"mod_type": PlayerStatsModifier.ModifierType.ADDITIVE
+	},
+	{
+		"internal_name": "flat_health_large",
+		"name": "+50 Health",
+		"rarity": ModRarity.EPIC,
+		"tex": placeholder_tex,
+		"description": "Adds 50 flat health.",
+		"weight": 10,
+		"mod_name": "max_health",
+		"mod_value": 50.0,
+		"mod_type": PlayerStatsModifier.ModifierType.ADDITIVE
+	},
+	{
+		"internal_name": "flat_crit_small",
+		"name": "2.5% More Critical Chance",
+		"rarity": ModRarity.RARE,
+		"tex": placeholder_tex,
+		"description": "Gives 2.5% more base critical hit chance",
+		"weight": 50,
+		"mod_name": "crit_chance",
+		"mod_value": 0.025,
+		"mod_type": PlayerStatsModifier.ModifierType.ADDITIVE
+	},
+	{
+		"internal_name": "flat_crit_large",
+		"name": "5% More Critical Chance",
+		"rarity": ModRarity.EPIC,
+		"tex": placeholder_tex,
+		"description": "Gives 5% more base critical hit chance",
+		"weight": 10,
+		"mod_name": "crit_chance",
+		"mod_value": 0.05,
+		"mod_type": PlayerStatsModifier.ModifierType.ADDITIVE
+	},
+]
+
+func _ready() -> void:
+	placeholder_tex = PlaceholderTexture2D.new()
+	placeholder_tex.size = Vector2(64.0, 64.0)
+
+func _draw_random_choice(fortune: float = 1.0) -> Dictionary:
+	var total_weight: int = 0
+	for choice in MOD_CHOICES:
+		total_weight += calculate_weight(choice["weight"], fortune)
+	var roll = randi() % total_weight
+	var cumulative = 0
+	for u in MOD_CHOICES:
+		cumulative += u["weight"]
+		if roll < cumulative:
+			return u
+	return MOD_CHOICES.back()
+
+func draw_random_mod(fortune: float = 1.0) -> PlayerStatsModifier:
+	var choice = _draw_random_choice(fortune)
+	var mod: PlayerStatsModifier = PlayerStatsModifier.new()
+	mod.stat_name = choice["mod_name"]
+	mod.value = choice["mod_value"]
+	mod.type = choice["mod_type"]
+	mod.description = choice["description"]
+	mod.internal_name = choice["internal_name"]
+	mod.tex = choice["tex"]
+	mod.title = choice["name"] 
+
+	return mod
+		
+func calculate_weight(weight: float, fortune: float):
+	return weight**(1 / 1 + fortune)

scenes/attacks/attack_sword.gd

@@ -93,6 +93,7 @@ func _on_attack_area_body_entered(body: Node2D) -> void:
 		return
 	if body.is_in_group(GlobalConst.GROUP_ENEMY) and body.is_in_group(GlobalConst.GROUP_DAMAGEABLE):
 		var crit_chance = player.player_stats.get_final("crit_chance", player.modifiers)
+		print_debug("crit_chance: %s" % crit_chance)
 		var damage_dealt = base_damage
 		var is_crit = randf() >= 1 - crit_chance
 		if is_crit:

scenes/managers/ui/level_up_choice.gd

@@ -0,0 +1,34 @@
+class_name LevelUpChoice
+extends PanelContainer
+
+@export var player: Player
+@export var mod: PlayerStatsModifier
+
+signal lvlup_picked(mod: PlayerStatsModifier)
+
+@onready var upgrade_name: Label = $MarginContainer/VBoxContainer/UpgradeName
+@onready var upgrade_description: Label = $MarginContainer/VBoxContainer/UpgradeDescription
+@onready var upgrade_tex: TextureRect = $MarginContainer/VBoxContainer/CenterContainer/UpgradeTex
+
+func _ready() -> void:
+	match mod.rarity:
+		GlobalConst.ModRarity.NORMAL:
+			upgrade_name.add_theme_color_override("font_color", Color.WHITE)
+		GlobalConst.ModRarity.RARE:
+			upgrade_name.add_theme_color_override("font_color", Color.DODGER_BLUE)
+		GlobalConst.ModRarity.EPIC:
+			upgrade_name.add_theme_color_override("font_color", Color.DARK_ORCHID)
+		GlobalConst.ModRarity.LEGENDARY:
+			upgrade_name.add_theme_color_override("font_color", Color.DARK_ORANGE)
+	
+	upgrade_name.text = mod.title
+	upgrade_description.text = mod.description
+	upgrade_tex.texture = mod.tex
+
+
+func _on_pick_button_pressed() -> void:
+	player.modifiers.append(mod)
+	print_debug("player mods: %s" % len(player.modifiers))
+	Engine.time_scale = 1.0
+	lvlup_picked.emit(mod)
+	queue_free()

scenes/managers/ui/level_up_choice.gd.uid

@@ -0,0 +1 @@
+uid://c5wglrsnl38v2

scenes/managers/ui/level_up_choice.tscn

@@ -0,0 +1,46 @@
+[gd_scene load_steps=3 format=3 uid="uid://cbjae7oyakpfw"]
+
+[ext_resource type="Script" uid="uid://c5wglrsnl38v2" path="res://scenes/managers/ui/level_up_choice.gd" id="1_afnb8"]
+
+[sub_resource type="PlaceholderTexture2D" id="PlaceholderTexture2D_a1rnr"]
+size = Vector2(64, 64)
+
+[node name="LevelUpChoice" type="PanelContainer"]
+offset_right = 220.0
+offset_bottom = 270.0
+script = ExtResource("1_afnb8")
+
+[node name="MarginContainer" type="MarginContainer" parent="."]
+layout_mode = 2
+theme_override_constants/margin_left = 10
+theme_override_constants/margin_top = 20
+theme_override_constants/margin_right = 10
+theme_override_constants/margin_bottom = 20
+
+[node name="VBoxContainer" type="VBoxContainer" parent="MarginContainer"]
+layout_mode = 2
+
+[node name="UpgradeName" type="Label" parent="MarginContainer/VBoxContainer"]
+layout_mode = 2
+text = "+10% Area of attack"
+
+[node name="CenterContainer" type="CenterContainer" parent="MarginContainer/VBoxContainer"]
+layout_mode = 2
+
+[node name="UpgradeTex" type="TextureRect" parent="MarginContainer/VBoxContainer/CenterContainer"]
+layout_mode = 2
+texture = SubResource("PlaceholderTexture2D_a1rnr")
+stretch_mode = 4
+
+[node name="UpgradeDescription" type="Label" parent="MarginContainer/VBoxContainer"]
+custom_minimum_size = Vector2(200, 100)
+layout_mode = 2
+theme_override_font_sizes/font_size = 8
+text = "Bla bla, this gives you 10% bigger attacks lol"
+autowrap_mode = 2
+
+[node name="PickButton" type="Button" parent="MarginContainer/VBoxContainer"]
+layout_mode = 2
+text = "Pick"
+
+[connection signal="pressed" from="MarginContainer/VBoxContainer/PickButton" to="." method="_on_pick_button_pressed"]

scenes/managers/ui/level_up_ui.gd

@@ -0,0 +1,15 @@
+class_name LevelUpUI
+extends Control
+
+@onready var choice_container: HBoxContainer = $VBoxContainer/PanelContainer/CenterContainer/ChoiceContainer
+
+func clear():
+	for child in choice_container.get_children():
+		child.queue_free()
+
+func add_choice(choice: LevelUpChoice) -> void:
+	choice.lvlup_picked.connect(_on_levelup_picked)
+	choice_container.add_child(choice)
+
+func _on_levelup_picked(mod: PlayerStatsModifier) -> void:
+	visible = false

scenes/managers/ui/level_up_ui.gd.uid

@@ -0,0 +1 @@
+uid://dybfo3bablxhk

scenes/managers/ui/level_up_ui.tscn

@@ -0,0 +1,35 @@
+[gd_scene load_steps=2 format=3 uid="uid://isg7vt4l7eem"]
+
+[ext_resource type="Script" uid="uid://dybfo3bablxhk" path="res://scenes/managers/ui/level_up_ui.gd" id="1_5751k"]
+
+[node name="LevelUpUI" type="Control"]
+layout_mode = 3
+anchors_preset = 15
+anchor_right = 1.0
+anchor_bottom = 1.0
+grow_horizontal = 2
+grow_vertical = 2
+script = ExtResource("1_5751k")
+
+[node name="VBoxContainer" type="VBoxContainer" parent="."]
+layout_mode = 1
+anchors_preset = 8
+anchor_left = 0.5
+anchor_top = 0.5
+anchor_right = 0.5
+anchor_bottom = 0.5
+offset_left = -334.0
+offset_top = -135.0
+offset_right = 334.0
+offset_bottom = 135.0
+grow_horizontal = 2
+grow_vertical = 2
+
+[node name="PanelContainer" type="PanelContainer" parent="VBoxContainer"]
+layout_mode = 2
+
+[node name="CenterContainer" type="CenterContainer" parent="VBoxContainer/PanelContainer"]
+layout_mode = 2
+
+[node name="ChoiceContainer" type="HBoxContainer" parent="VBoxContainer/PanelContainer/CenterContainer"]
+layout_mode = 2

scenes/managers/ui/main_ui.gd

@@ -4,8 +4,10 @@ extends Control
 @onready var pause_ui: PauseUI = $CanvasLayer/PauseUI
 @onready var player_ui: PlayerUI = $CanvasLayer/PlayerUI
 @onready var debug_ui: DebugUI = $CanvasLayer/DebugUI
+@onready var level_up_ui: LevelUpUI = $CanvasLayer/LevelUpUI
 
 
 func _ready() -> void:
 	pause_ui.visible = false
 	player_ui.visible = true
+	level_up_ui.visible = false

scenes/managers/ui/main_ui.tscn

@@ -1,9 +1,10 @@
-[gd_scene load_steps=5 format=3 uid="uid://b18uib08hvdpq"]
+[gd_scene load_steps=6 format=3 uid="uid://b18uib08hvdpq"]
 
 [ext_resource type="Script" uid="uid://dcxc70fvu7kl2" path="res://scenes/managers/ui/main_ui.gd" id="1_3a826"]
 [ext_resource type="Script" uid="uid://sjnxf0hj3egp" path="res://scenes/managers/ui/pause_ui.gd" id="1_lke1m"]
 [ext_resource type="Script" uid="uid://dbq74tvxtpfjc" path="res://scenes/managers/ui/player_ui.gd" id="3_gaipe"]
 [ext_resource type="Script" uid="uid://d2o6tqnqg2o25" path="res://scenes/managers/ui/debug_ui.gd" id="4_217l8"]
+[ext_resource type="PackedScene" uid="uid://isg7vt4l7eem" path="res://scenes/managers/ui/level_up_ui.tscn" id="5_cfhdr"]
 
 [node name="MainUI" type="Control"]
 layout_mode = 3
@@ -161,6 +162,8 @@ mouse_filter = 2
 [node name="VBoxContainer" type="VBoxContainer" parent="CanvasLayer/DebugUI/StatsContainer"]
 layout_mode = 2
 
+[node name="LevelUpUI" parent="CanvasLayer" instance=ExtResource("5_cfhdr")]
+
 [connection signal="pressed" from="CanvasLayer/PauseUI/CenterContainer/MarginContainer/PanelContainer/MarginContainer/VBoxContainer/ResumeButton" to="CanvasLayer/PauseUI" method="_on_resume_button_pressed"]
 [connection signal="pressed" from="CanvasLayer/PauseUI/CenterContainer/MarginContainer/PanelContainer/MarginContainer/VBoxContainer/NewGameBtuton" to="CanvasLayer/PauseUI" method="_on_new_game_btuton_pressed"]
 [connection signal="pressed" from="CanvasLayer/PauseUI/CenterContainer/MarginContainer/PanelContainer/MarginContainer/VBoxContainer/OptionsButton" to="CanvasLayer/PauseUI" method="_on_options_button_pressed"]

scenes/player.gd

@@ -87,10 +87,35 @@ func get_taunted():
 func toggle_god_mode(value: bool):
 	god_mode = value
 
+func add_xp(amount: float) -> void:
+	player_stats.current_xp += amount
+	_check_level_up()
+
+func _check_level_up() -> void:
+	var required_for_level = 25.0
+	if player_stats.current_xp >= required_for_level:
+		player_stats.current_level += 1
+		player_stats.current_xp -= required_for_level
+		_trigger_level_up()
+
+func _trigger_level_up() -> void:
+	var choice_count = 3
+	var choices: Array[LevelUpChoice] = []
+	print_debug("level up")
+	main_ui.level_up_ui.clear()
+	for i in range(choice_count):
+		# TODO: implement fortune
+		var mod = GlobalConst.draw_random_mod(1.0)
+		var l_choice = preload("res://scenes/managers/ui/level_up_choice.tscn").instantiate()
+		l_choice.mod = mod
+		l_choice.player = self
+		main_ui.level_up_ui.add_choice(l_choice)
+	Engine.time_scale = 0.0
+	main_ui.level_up_ui.visible = true
 
 func _on_pickup_area_area_entered(area: Area2D) -> void:
 	var body: XPOrb = area.get_parent()
 	if body.is_in_group(GlobalConst.GROUP_XP_ORB):
-		player_stats.current_xp += body.value
+		add_xp(body.value)
 		GlobalConst.sig_debug_stats_set.emit("player_xp", "%s" % player_stats.current_xp)
 		body.queue_free()

scenes/player_stats.gd

@@ -19,7 +19,7 @@ func get_final(stat: String, modifiers: Array[PlayerStatsModifier]) -> Variant:
 		if mod.stat_name == stat:
 			if mod.type == PlayerStatsModifier.ModifierType.ADDITIVE:
 				add += mod.value
-			if mod.type == PlayerStatsModifier.ModifierType.ADDITIVE:
+			if mod.type == PlayerStatsModifier.ModifierType.MULTIPLICATIVE:
 				mul *= mod.value
 			if mod.type == PlayerStatsModifier.ModifierType.ABSOLUTE:
 				return mod.value

scenes/player_stats_modifier.gd

@@ -6,3 +6,8 @@ enum ModifierType { ADDITIVE, MULTIPLICATIVE, ABSOLUTE }
 var stat_name: String
 var value: Variant
 var type: ModifierType = ModifierType.ADDITIVE
+var internal_name: String
+var title: String
+var rarity: GlobalConst.ModRarity
+var tex: Texture2D
+var description: String