Implement RG_CBasePlayer_UseEmpty hook (#140)

* Implement RG_CBasePlayer_UseEmpty

gradle.properties

@@ -1,3 +1,3 @@
 majorVersion=5
-minorVersion=9
+minorVersion=10
 maintenanceVersion=0

reapi/extra/amxmodx/scripting/include/reapi_gamedll_const.inc

@@ -754,6 +754,13 @@ enum GamedllFunc_CBasePlayer
 	* Params:           (const this, const message[], Float:duration, bool:bDisplayIfPlayerDead, bool:bOverride)
 	*/
 	RG_CBasePlayer_HintMessageEx,
+
+	/*
+	* Description:      Called when a player press use and if a suitable candidate is not found.
+	* Return type:      void
+	* Params:           (const this)
+	*/
+	RG_CBasePlayer_UseEmpty,
 };
 
 /**

reapi/include/cssdk/dlls/regamedll_api.h

@@ -38,7 +38,7 @@
 #include <API/CSInterfaces.h>
 
 #define REGAMEDLL_API_VERSION_MAJOR 5
-#define REGAMEDLL_API_VERSION_MINOR 9
+#define REGAMEDLL_API_VERSION_MINOR 10
 
 // CBasePlayer::Spawn hook
 typedef IHookChainClass<void, class CBasePlayer> IReGameHook_CBasePlayer_Spawn;
@@ -440,6 +440,10 @@ typedef IHookChainRegistry<bool, Vector &, Vector &, entvars_t *, edict_t *> IRe
 typedef IHookChainClass<bool, class CBasePlayer, const char *, float, bool, bool> IReGameHook_CBasePlayer_HintMessageEx;
 typedef IHookChainRegistryClass<bool, class CBasePlayer, const char *, float, bool, bool> IReGameHookRegistry_CBasePlayer_HintMessageEx;
 
+// CBasePlayer::UseEmpty hook
+typedef IHookChainClass<void, class CBasePlayer> IReGameHook_CBasePlayer_UseEmpty;
+typedef IHookChainRegistryClass<void, class CBasePlayer> IReGameHookRegistry_CBasePlayer_UseEmpty;
+
 class IReGameHookchains {
 public:
 	virtual ~IReGameHookchains() {}
@@ -549,6 +553,7 @@ public:
 	virtual IReGameHookRegistry_CBasePlayer_SetSpawnProtection *CBasePlayer_SetSpawnProtection() = 0;
 	virtual IReGameHookRegistry_IsPenetrableEntity *IsPenetrableEntity() = 0;
 	virtual IReGameHookRegistry_CBasePlayer_HintMessageEx *CBasePlayer_HintMessageEx() = 0;
+	virtual IReGameHookRegistry_CBasePlayer_UseEmpty *CBasePlayer_UseEmpty() = 0;
 };
 
 struct ReGameFuncs_t {

reapi/src/hook_callback.cpp

@@ -542,6 +542,16 @@ bool CBasePlayer_HintMessageEx(IReGameHook_CBasePlayer_HintMessageEx *chain, CBa
 	return callForward<bool>(RG_CBasePlayer_HintMessageEx, original, indexOfEdict(pthis->pev), pMessage, duration, bDisplayIfPlayerDead, bOverride);
 }
 
+void CBasePlayer_UseEmpty(IReGameHook_CBasePlayer_UseEmpty *chain, CBasePlayer *pthis)
+{
+	auto original = [chain](int _pthis)
+	{
+		return chain->callNext(getPrivate<CBasePlayer>(_pthis));
+	};
+
+	callVoidForward(RG_CBasePlayer_UseEmpty, original, indexOfEdict(pthis->pev));
+}
+
 void CBaseAnimating_ResetSequenceInfo(IReGameHook_CBaseAnimating_ResetSequenceInfo *chain, CBaseAnimating *pthis)
 {
 	auto original = [chain](int _pthis)

reapi/src/hook_callback.h

@@ -376,6 +376,7 @@ CGrenade *CBasePlayer_ThrowGrenade(IReGameHook_CBasePlayer_ThrowGrenade *chain,
 void CBasePlayer_SetSpawnProtection(IReGameHook_CBasePlayer_SetSpawnProtection *chain, CBasePlayer *pthis, float flProtectionTime);
 void CBasePlayer_RemoveSpawnProtection(IReGameHook_CBasePlayer_RemoveSpawnProtection *chain, CBasePlayer *pthis);
 bool CBasePlayer_HintMessageEx(IReGameHook_CBasePlayer_HintMessageEx *chain, CBasePlayer *pthis, const char *pMessage, float duration, bool bDisplayIfPlayerDead, bool bOverride);
+void CBasePlayer_UseEmpty(IReGameHook_CBasePlayer_UseEmpty *chain, CBasePlayer *pthis);
 
 void CBaseAnimating_ResetSequenceInfo(IReGameHook_CBaseAnimating_ResetSequenceInfo *chain, CBaseAnimating *pthis);
 

reapi/src/hook_list.cpp

@@ -154,6 +154,7 @@ hook_t hooklist_player[] = {
 	DLL(CBasePlayer_SetSpawnProtection),
 	DLL(CBasePlayer_RemoveSpawnProtection),
 	DLL(CBasePlayer_HintMessageEx),
+	DLL(CBasePlayer_UseEmpty),
 };
 
 hook_t hooklist_gamerules[] = {

reapi/src/hook_list.h

@@ -176,6 +176,7 @@ enum GamedllFunc_CBasePlayer
 	RG_CBasePlayer_SetSpawnProtection,
 	RG_CBasePlayer_RemoveSpawnProtection,
 	RG_CBasePlayer_HintMessageEx,
+	RG_CBasePlayer_UseEmpty,
 
 	// [...]
 };