YALootBoxes/scripts/4_World/YALootBoxes_Lootbox.c

// ============================================================
// YALootBoxes_Lootbox.c
// The actual in-world lootbox entity.
// Lives in: scripts/4_World/YALootBoxes_Lootbox.c
//
// NOTE ON className: each entry in box_types.json should have a
// matching config.cpp class inheriting from YALootBoxes_Base
// (see config.cpp artifact). This script class provides the
// shared behavior for ALL of them.
// ============================================================

class YALootBoxes_Base extends Container_Base
{
    protected bool m_IsLocked;
    protected string m_BoxTypeId;          // matches "type" in box_types.json
    protected float m_SpawnTime;            // world time (seconds) when spawned
    protected float m_UnlockedTime;         // world time when it became unlocked (-1 if still locked)
    protected ref YALB_BoxTypeDef m_TypeDef;  // cached definition

    void YALootBoxes_Base()
    {
        m_IsLocked = true;
        m_UnlockedTime = -1;
        RegisterNetSyncVariableBool("m_IsLocked");
    }

    override void EEInit()
    {
        super.EEInit();
        SetSynchDirty();
    }

    // Called by the manager right after spawning, before placing in world
    void Init(string boxTypeId)
    {
        m_BoxTypeId = boxTypeId;
        m_TypeDef = YALB_ConfigLoader.GetBoxTypeByType(boxTypeId);
        m_IsLocked = true;
        m_UnlockedTime = -1;
        m_SpawnTime = GetGame().GetTime() / 1000.0;

        if (!m_TypeDef)
        {
            Log_Warn("Lootbox spawned with unknown type '" + boxTypeId + "'. Using fallback values.");
        }

        SetSynchDirty();
    }

    bool IsLocked()
    {
        return m_IsLocked;
    }

    string GetBoxTypeId()
    {
        return m_BoxTypeId;
    }

    YALB_BoxTypeDef GetTypeDef()
    {
        if (!m_TypeDef)
            m_TypeDef = YALB_ConfigLoader.GetBoxTypeByType(m_BoxTypeId);
        return m_TypeDef;
    }

    float GetSpawnTime()
    {
        return m_SpawnTime;
    }

    float GetUnlockedTime()
    {
        return m_UnlockedTime;
    }

    // How many minutes this box should live for, based on its current state
    int GetDespawnMinutes()
    {
        if (m_TypeDef)
            return m_TypeDef.despawnMinutes;
        return YALB_ConfigLoader.MainConfig.DefaultDespawnMinutes;
    }

    // Returns true if (locked, never-opened) box has expired and should
    // be removed/respawned elsewhere. Locked boxes use the SAME despawn
    // timer as unlocked ones by design (keeps the loot table fresh even
    // if nobody opens it) - manager checks this each cycle.
    bool HasExpiredUnopened(float currentWorldTime)
    {
        if (!m_IsLocked) return false; // handled separately once opened
        float ageMinutes = (currentWorldTime - m_SpawnTime) / 60.0;
        return ageMinutes >= GetDespawnMinutes();
    }

    bool HasExpiredAfterOpening(float currentWorldTime)
    {
        if (m_IsLocked || m_UnlockedTime < 0) return false;
        float ageMinutes = (currentWorldTime - m_UnlockedTime) / 60.0;
        return ageMinutes >= GetDespawnMinutes();
    }

    // Called by YALB_OpenLootboxAction on a successful unlock roll.
    // Converts this from a locked decoration into a real container
    // populated with loot, then starts its post-open despawn clock.
    void UnlockAndFill()
    {
        if (!m_IsLocked) return; // already unlocked, no-op

        m_IsLocked = false;
        m_UnlockedTime = GetGame().GetTime() / 1000.0;
        SetSynchDirty();

        PopulateLoot();

        Log_Info(string.Format("Lootbox '%1' (%2) unlocked and filled.", GetBoxTypeId(), GetPosition().ToString()));
    }

    protected void PopulateLoot()
    {
        array<ref YALB_LootEntry> lootList = YALB_ConfigLoader.GetLootListForType(m_BoxTypeId);
        if (!lootList)
        {
            Log_Warn("No loot list found for type '" + m_BoxTypeId + "' - box will be empty.");
            return;
        }

        foreach (YALB_LootEntry entry : lootList)
        {
            float roll = Math.RandomFloat01();
            if (roll > entry.chance) continue;

            int count = Math.RandomIntInclusive(entry.minCount, entry.maxCount);
            for (int i = 0; i < count; i++)
            {
                GetInventory().CreateInInventory(entry.classname);
            }
        }
    }

    // Player-facing string used by the proximity message and the action menu
    string GetRequiredItemsMessage()
    {
        if (!m_TypeDef) return "Locked (unknown requirements)";
        return "Requires: " + m_TypeDef.GetRequiredItemsDisplayString();
    }

    // Hooks our custom hold-to-open action onto this object without
    // needing to touch any vanilla cfgVehicles action arrays.
    // NOTE: the engine-called override is SetActions()/AddAction(),
    // NOT GetActions(out array<typename>) - the latter is never
    // invoked by the action manager and silently registers nothing.
    override void SetActions()
    {
        super.SetActions();
        AddAction(YALB_ActionOpenLootbox);
    }
};