reward_manager.gd

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extends RefCounted
 
 
 
 
 
func roll_id(table, fallback_ids:Array = []) -> String:
    var rows := []
    var total_weight := 0
    if table is Array:
        for row in table:
            if not row is Dictionary:
                continue
            var id = str(row.get("id", ""))
            var weight = max(0, int(row.get("weight", 0)))
            if id == "" or weight <= 0:
                continue
            rows.append({"id": id, "weight": weight})
            total_weight += weight
    if rows.is_empty() or total_weight <= 0:
        return random_fallback_id(fallback_ids)
    var roll = randi() % total_weight
    var cursor := 0
    for row in rows:
        cursor += int(row.get("weight", 0))
        if roll < cursor:
            return str(row.get("id", ""))
    return str(rows.back().get("id", ""))
 
 
 
func random_fallback_id(fallback_ids:Array) -> String:
    if fallback_ids.is_empty():
        return ""
    return str(fallback_ids[randi() % fallback_ids.size()])