Added functionality for multiple item usage

You can now have items with multiple uses, with proper display using
progress bars and all of the bells and whistles.

Author: AxelDominatoR

src/xrGame/ActorHelmet.cpp

@@ -49,6 +49,9 @@ void CHelmet::Load(LPCSTR section)
 
     m_BonesProtectionSect = READ_IF_EXISTS(pSettings, r_string, section, "bones_koeff_protection", "");
     m_fShowNearestEnemiesDistance = READ_IF_EXISTS(pSettings, r_float, section, "nearest_enemies_show_dist", 0.0f);
+
+    // Added by Axel, to enable optional condition use on any item
+    m_flags.set(FUsingCondition, READ_IF_EXISTS(pSettings, r_bool, section, "use_condition", true));
 }
 
 void CHelmet::ReloadBonesProtection()

src/xrGame/CustomOutfit.cpp

@@ -102,6 +102,9 @@ void CCustomOutfit::Load(LPCSTR section)
 
     m_BonesProtectionSect = READ_IF_EXISTS(pSettings, r_string, section, "bones_koeff_protection", "");
     bIsHelmetAvaliable = !!READ_IF_EXISTS(pSettings, r_bool, section, "helmet_avaliable", true);
+
+    // Added by Axel, to enable optional condition use on any item
+    m_flags.set(FUsingCondition, READ_IF_EXISTS(pSettings, r_bool, section, "use_condition", true));
 }
 
 void CCustomOutfit::ReloadBonesProtection()

src/xrGame/ExplosiveItem.cpp

@@ -14,7 +14,8 @@ void CExplosiveItem::Load(LPCSTR section)
 {
     inherited::Load(section);
     CExplosive::Load(section);
-    m_flags.set(FUsingCondition, TRUE);
+    // Added by Axel, to enable optional condition use on any item
+    m_flags.set(FUsingCondition, READ_IF_EXISTS(pSettings, r_bool, section, "use_condition", true));
     CDelayedActionFuse::Initialize(
         pSettings->r_float(section, "time_to_explode"), pSettings->r_float(section, "condition_to_explode"));
     VERIFY(pSettings->line_exist(section, "set_timer_particles"));

src/xrGame/Inventory.cpp

@@ -1073,7 +1073,7 @@ bool CInventory::Eat(PIItem pIItem)
     if (IsGameTypeSingle() && Actor()->m_inventory == this)
         Actor()->callback(GameObject::eUseObject)((smart_cast<CGameObject*>(pIItem))->lua_game_object());
 
-    if (pItemToEat->Empty())
+    if (pItemToEat->CanDelete())
     {
         pIItem->SetDropManual(TRUE);
         return false;

src/xrGame/Weapon.cpp

@@ -472,6 +472,9 @@ void CWeapon::Load(LPCSTR section)
     m_zoom_params.m_bUseDynamicZoom = READ_IF_EXISTS(pSettings, r_bool, section, "scope_dynamic_zoom", false);
     m_zoom_params.m_sUseZoomPostprocess = nullptr;
     m_zoom_params.m_sUseBinocularVision = nullptr;
+
+    // Added by Axel, to enable optional condition use on any item
+    m_flags.set(FUsingCondition, READ_IF_EXISTS(pSettings, r_bool, section, "use_condition", true));
 }
 
 void CWeapon::LoadFireParams(LPCSTR section)

src/xrGame/eatable_item.cpp

@@ -14,11 +14,14 @@
 #include "entity_alive.h"
 #include "EntityCondition.h"
 #include "InventoryOwner.h"
+#include "UIGameCustom.h"
 
 CEatableItem::CEatableItem()
 {
-    m_iPortionsNum = -1;
     m_physic_item = 0;
+    m_iMaxUses = 1;
+    m_iRemainingUses = 1;
+    m_bRemoveAfterUse = true;
 }
 
 CEatableItem::~CEatableItem() {}
@@ -32,15 +35,35 @@ void CEatableItem::Load(LPCSTR section)
 {
     inherited::Load(section);
 
-    m_iPortionsNum = pSettings->r_s32(section, "eat_portions_num");
-    VERIFY(m_iPortionsNum < 10000);
+    m_iRemainingUses = m_iMaxUses = READ_IF_EXISTS(pSettings, r_u16, section, "max_uses", 1);
+    m_bRemoveAfterUse = READ_IF_EXISTS(pSettings, r_bool, section, "remove_after_use", true);
+
+    if (IsUsingCondition())
+        SetCondition((float)m_iRemainingUses / (float)m_iMaxUses );
+}
+
+void CEatableItem::load(IReader& packet)
+{
+    inherited::load(packet);
+
+    m_iRemainingUses = packet.r_u16();
+}
+
+void CEatableItem::save(NET_Packet& packet)
+{
+    inherited::save(packet);
+
+    packet.w_u16(m_iRemainingUses);
 }
 
 BOOL CEatableItem::net_Spawn(CSE_Abstract* DC)
 {
     if (!inherited::net_Spawn(DC))
         return FALSE;
 
+    if (IsUsingCondition())
+        SetCondition((float)m_iRemainingUses / (float)m_iMaxUses);
+
     return TRUE;
 };
 
@@ -50,7 +73,7 @@ bool CEatableItem::Useful() const
         return false;
 
     //проверить не все ли еще съедено
-    if (m_iPortionsNum == 0)
+    if (m_iRemainingUses == 0)
         return false;
 
     return true;
@@ -108,10 +131,14 @@ bool CEatableItem::UseBy(CEntityAlive* entity_alive)
         Level().Send(tmp_packet);
     }
 
-    if (m_iPortionsNum > 0)
-        --m_iPortionsNum;
+    if (m_iRemainingUses > 0)
+        --m_iRemainingUses;
     else
-        m_iPortionsNum = 0;
+        m_iRemainingUses = 0;
+
+    SetCondition((float)m_iRemainingUses / (float)m_iMaxUses);
+    CurrentGameUI()->HideActorMenu();
+    CurrentGameUI()->ShowActorMenu();
 
     return true;
 }

src/xrGame/eatable_item.h

@@ -13,21 +13,27 @@ class CEatableItem : public CInventoryItem
 protected:
     CPhysicItem* m_physic_item;
 
+    u16 m_iMaxUses;
+    u16 m_iRemainingUses;
+    bool m_bRemoveAfterUse;
+
 public:
     CEatableItem();
     virtual ~CEatableItem();
     virtual IFactoryObject* _construct();
     virtual CEatableItem* cast_eatable_item() { return this; }
     virtual void Load(LPCSTR section);
+    void load(IReader& packet) override;
+    void save(NET_Packet& packet) override;
     virtual bool Useful() const;
 
     virtual BOOL net_Spawn(CSE_Abstract* DC);
 
     virtual void OnH_B_Independent(bool just_before_destroy);
     virtual void OnH_A_Independent();
     virtual bool UseBy(CEntityAlive* npc);
-    virtual bool Empty() { return PortionsNum() == 0; };
-    int PortionsNum() const { return m_iPortionsNum; }
-protected:
-    int m_iPortionsNum;
+    virtual bool Empty() const { return m_iRemainingUses == 0; }
+    bool CanDelete() const { return Empty() && m_bRemoveAfterUse == true; }
+    virtual u16 GetMaxUses() const { return m_iMaxUses; }
+    virtual u16 GetRemainingUses() const { return m_iRemainingUses; }
 };

src/xrGame/inventory_item.cpp

@@ -110,6 +110,9 @@ void CInventoryItem::Load(LPCSTR section)
     m_flags.set(FCanTrade, m_can_trade);
     m_flags.set(FIsQuestItem, READ_IF_EXISTS(pSettings, r_bool, section, "quest_item", FALSE));
 
+    // Added by Axel, to enable optional condition use on any item
+    m_flags.set(FUsingCondition, READ_IF_EXISTS(pSettings, r_bool, section, "use_condition", false));
+
     if (BaseSlot() != NO_ACTIVE_SLOT || Belt())
     {
         m_flags.set(FRuckDefault, pSettings->r_bool(section, "default_to_ruck"));
@@ -127,7 +130,7 @@ void CInventoryItem::ChangeCondition(float fDeltaCondition)
 
 void CInventoryItem::Hit(SHit* pHDS)
 {
-    if (!m_flags.test(FUsingCondition))
+    if (IsUsingCondition() == false)
         return;
 
     float hit_power = pHDS->damage();

src/xrGame/inventory_item.h

@@ -104,6 +104,7 @@ class CInventoryItem : public CAttachableItem,
     virtual void OnEvent(NET_Packet& P, u16 type);
 
     virtual bool Useful() const; // !!! Переопределить. (см. в Inventory.cpp)
+    virtual bool IsUsingCondition() const { return (m_flags.test(FUsingCondition) > 0); }
     virtual bool Attach(PIItem pIItem, bool b_send_event) { return false; }
     virtual bool Detach(PIItem pIItem) { return false; }
     //при детаче спаунится новая вещь при заданно названии секции

src/xrGame/ui/UICellItem.cpp

@@ -3,6 +3,7 @@
 #include "uicursor.h"
 #include "inventory_item.h"
 #include "UIDragDropListEx.h"
+#include "eatable_item.h"
 #include "xr_level_controller.h"
 #include "xrEngine/xr_input.h"
 #include "Level.h"
@@ -204,11 +205,32 @@ void CUICellItem::UpdateConditionProgressBar()
     if (m_pParentList && m_pParentList->GetConditionProgBarVisibility())
     {
         PIItem itm = (PIItem)m_pData;
-        CWeapon* pWeapon = smart_cast<CWeapon*>(itm);
-        CCustomOutfit* pOutfit = smart_cast<CCustomOutfit*>(itm);
-        CHelmet* pHelmet = smart_cast<CHelmet*>(itm);
-        if (pWeapon || pOutfit || pHelmet)
+
+        if (itm->IsUsingCondition())
         {
+            float cond = itm->GetCondition();
+
+            CEatableItem* eitm = smart_cast<CEatableItem*>(itm);
+            if (eitm)
+            {
+                const u16 max_uses = eitm->GetMaxUses();
+                if (max_uses > 1)
+                {
+                    const u16 remaining_uses = eitm->GetRemainingUses();
+                    if (remaining_uses < 1)
+                        cond = 0.0f;
+                    else if (max_uses > 8)
+                        cond = (float)remaining_uses / (float)max_uses;
+                    else
+                    {
+                        cond = (float)remaining_uses * 0.125f - 0.0625f;
+                        m_pConditionState->ShowBackground(false);
+                    }
+
+                    m_pConditionState->m_bUseColor = false;
+                }
+            }
+
             Ivector2 itm_grid_size = GetGridSize();
             if (m_pParentList->GetVerticalPlacement())
                 std::swap(itm_grid_size.x, itm_grid_size.y);
@@ -219,7 +241,7 @@ void CUICellItem::UpdateConditionProgressBar()
             float y = itm_grid_size.y * (cell_size.y + cell_space.y) - m_pConditionState->GetHeight() - 2.f;
 
             m_pConditionState->SetWndPos(Fvector2().set(x, y));
-            m_pConditionState->SetProgressPos(iCeil(itm->GetCondition() * 13.0f) / 13.0f);
+            m_pConditionState->SetProgressPos(iCeil(cond * 13.0f) / 13.0f);
             m_pConditionState->Show(true);
             return;
         }