Papay-Shooter/globals/loadout_manager.gd

extends Node

const SAVE_PATH = "user://loadouts.json"

var weapon_db = {
	"none": {
		"name": "None",
		"category": "none",
		"script": ""
	},
	"double_barrel_shotgun": {
		"name": "Double Barrel Shotgun",
		"category": "primary",
		"script": "res://weapons/double_barrel_shotgun.gd"
	},
	"ak47": {
		"name": "AK-47",
		"category": "primary",
		"script": "res://weapons/ak47.gd"
	},
	"m4": {
		"name": "M4",
		"category": "primary",
		"script": "res://weapons/m4.gd"
	},
	"mp7": {
		"name": "MP7",
		"category": "primary",
		"script": "res://weapons/mp7.gd"
	},
	"dmr": {
		"name": "DMR",
		"category": "primary",
		"script": "res://weapons/dmr.gd"
	},
	"plasma_gun": {
		"name": "Plasma Gun",
		"category": "primary",
		"script": "res://weapons/plasma_gun.gd"
	},
	"nail_gun": {
		"name": "Nail Gun",
		"category": "primary",
		"script": "res://weapons/nail_gun.gd"
	},
	"awp": {
		"name": "AWP",
		"category": "special",
		"script": "res://weapons/awp.gd"
	},
	"rocket_launcher": {
		"name": "Rocket Launcher",
		"category": "special",
		"script": "res://weapons/rocket_launcher.gd"
	},
	"rocket_swarm": {
		"name": "Rocket Swarm",
		"category": "special",
		"script": "res://weapons/rocket_swarm.gd"
	},
	"mortar": {
		"name": "Mortar",
		"category": "special",
		"script": "res://weapons/mortar.gd"
	},
	"knife": {
		"name": "Knife",
		"category": "melee",
		"script": "res://weapons/knife.gd"
	}
}

var active_loadout_index: int = 0

var loadouts: Array = []
var _legacy_skin_indices: Array[int] = []

func _ready() -> void:
	_ensure_default_loadouts()
	load_loadouts()

func _ensure_default_loadouts() -> void:
	loadouts.clear()
	for i in range(5):
		loadouts.append({
			"name": "Loadout " + str(i + 1),
			"skin": "default",
			"primary_1": "double_barrel_shotgun",
			"primary_2": "none",
			"special": "none",
			"melee": "knife"
		})

func get_active_loadout() -> Dictionary:
	if active_loadout_index >= 0 and active_loadout_index < loadouts.size():
		return loadouts[active_loadout_index]
	return loadouts[0]


func get_active_skin_id() -> String:
	return str(get_active_loadout().get("skin", "default"))


func set_active_loadout(index: int) -> bool:
	if index < 0 or index >= loadouts.size():
		return false
	active_loadout_index = index
	save_loadouts()
	return true


## Older saves stored character choice in SkinManager's separate config. Copy
## that choice into every legacy loadout once, then the loadout becomes the
## authoritative place for both equipment and character.
func migrate_legacy_skin(skin_id: String) -> void:
	if _legacy_skin_indices.is_empty():
		return
	var migrated := skin_id if not skin_id.is_empty() else "default"
	for index in _legacy_skin_indices:
		if index >= 0 and index < loadouts.size():
			loadouts[index]["skin"] = migrated
	_legacy_skin_indices.clear()
	save_loadouts()

func save_loadouts() -> void:
	var save_data = {
		"active_index": active_loadout_index,
		"loadouts": loadouts
	}
	var json_string = JSON.stringify(save_data)
	var file = FileAccess.open(SAVE_PATH, FileAccess.WRITE)
	if file:
		file.store_string(json_string)
		file.close()

func load_loadouts() -> void:
	_legacy_skin_indices.clear()
	if FileAccess.file_exists(SAVE_PATH):
		var file = FileAccess.open(SAVE_PATH, FileAccess.READ)
		if file:
			var json_string = file.get_as_text()
			file.close()
			
			var json = JSON.new()
			var error = json.parse(json_string)
			if error == OK:
				var data = json.get_data()
				if data is Dictionary:
					if data.has("active_index"):
						active_loadout_index = data["active_index"]
					if data.has("loadouts") and data["loadouts"] is Array:
						var saved_loadouts = data["loadouts"]
						# Overwrite defaults, up to 5
						for i in range(min(5, saved_loadouts.size())):
							var sl = saved_loadouts[i]
							if sl is Dictionary:
								if sl.has("name"): loadouts[i]["name"] = sl["name"]
								if sl.has("skin"):
									loadouts[i]["skin"] = sl["skin"]
								else:
									_legacy_skin_indices.append(i)
								if sl.has("primary_1"): loadouts[i]["primary_1"] = sl["primary_1"]
								if sl.has("primary_2"): loadouts[i]["primary_2"] = sl["primary_2"]
								if sl.has("special"): loadouts[i]["special"] = sl["special"]
								if sl.has("melee"): loadouts[i]["melee"] = sl["melee"]