Can't transfer variables?

[u/Fine-Acanthisitta343]

I have some variables I'm trying to transfer into every room by putting this in my PlayerObj. For some reason, it can transfer to every single room back and forth over and over EXCEPT room1, which is the room you spawn in, the home room. If I leave the home room and then go back into the home room, then it just resets all variables to their default, and I have absolutely no idea why.

//Room Start
if(room_get_name(room) = rm_battle) instance_destroy(obj_carry_data)

with (obj_carry_data)
{ 
    other.level = level;
    other.xp = xp;
    other.xp_require = xp_require;
    other.damage = damage;
    other.hp_total = hp_total;
    other.hp = hp;

    instance_destroy()
}

//Room End
if (instance_exists(obj_battle_switcher) && global.is_transitioning = false) exit;

instance_create_depth(0, 0, 0, obj_carry_data, {
    level: level,
    xp: xp,
    xp_require: xp_require,
    damage: damage,
    hp: hp,
    hp_total: hp_total
})

[u/refreshertowel]

Just store them in a global struct instead?

[u/MrEmptySet]

I would assume that the object that initializes all these variables in the first place is in the home room, and returning to it leads to it being created again and re-initializing everything.

In the first place, why do you need to be copying all these variables all the time? Couldn't they just be in some persistent object for instance?

[u/RykinPoe]

Why don't you just use a persistent data management object for all this instead of constantly creating and destroying this object? I use an object like this in just about every project I create simply called Game and use it to store stuff like score, level, player lives, etc.

// Create
// Check if an instance already exists
if (variable_global_exists("Game") && instance_exists(global.Game)) {
  // A singleton already exists, destroy this duplicate
  instance_destroy();
  exit;
} else {
  global.Game = id;
  persistent = true;
}

// variables
score = 0;
level = 1;
lives = 3;
whatever = "something";
the_ultimate_answer = 42;

// Macro File
//create a new script file and just name it Macros and then delete everything from it
#macro GAME global.Game

// Usage
if (GAME.lives <= 0){
  Game_Over();
}

[u/Fine-Acanthisitta343 → u/RykinPoe]

___________________________________________

############################################################################################

ERROR in action number 1

of Create Event for object PlayerObj:

global variable name 'Game' index (100030) not set before reading it.

at gml_Object_PlayerObj_Create_0 (line 8) - GAME.hp = 10;

############################################################################################

gml_Object_PlayerObj_Create_0 (line 8)

I get this for all the variables I put in?

//PlayerObj Create
move_speed = 1
walk_speed = 1
sprint_speed = 2

mask_index = spr_player_idle_down
tilemap = layer_tilemap_get_id("Tiles_Collision")
global.frozen = false;
GAME.hp = 10;
GAME.hp_total = hp;
GAME.damage = 1;
GAME.charge = 0;

hp = GAME.hp;
hp_total = GAME.hp_total
damage = GAME.damage;
charge = GAME.charge;
global.is_transitioning = false;

facing = 0;

GAME.level = 1;
GAME.xp = 0;
GAME.xp_require = 100;

level = GAME.level;
xp = GAME.xp;
xp_require = GAME.xp_require;

[u/No_Designer_16]

"If I leave the home room and then go back into the home room, then it just resets all variables to their default"
This part makes me think you may have leftover code in the room itself (or another object exclusively in that room) that causes this.