game: add levelups

2025-08-20 01:59:45 +02:00
parent eec0e6a50f
commit c3f49c885a
13 changed files with 265 additions and 3 deletions
--- a/global_const.gd
+++ b/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)