API: Implement RG_PM_LadderMove hook (#254)

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

@@ -407,6 +407,12 @@ enum GamedllFunc
 	* Params:           (const weaponent, const owner, modelName[], Float:origin[3], Float:angles[3], Float:velocity[3], Float:lifeTime, bool:packAmmo)
 	*/
 	RG_CreateWeaponBox,
+
+	/*
+	* Description:      Called when a player is on a ladder.
+	* Params:           (const playerIndex)
+	*/
+	RG_PM_LadderMove,
 };
 
 /**

reapi/include/cssdk/dlls/regamedll_api.h

@@ -237,6 +237,10 @@ typedef IHookChainRegistry<void, struct playermove_s *, int> IReGameHookRegistry
 typedef IHookChain<void, int> IReGameHook_PM_AirMove;
 typedef IHookChainRegistry<void, int> IReGameHookRegistry_PM_AirMove;
 
+// PM_LadderMove hook
+typedef IHookChain<void, struct physent_s *> IReGameHook_PM_LadderMove;
+typedef IHookChainRegistry<void, struct physent_s *> IReGameHookRegistry_PM_LadderMove;
+
 // HandleMenu_ChooseAppearance hook
 typedef IHookChain<void, class CBasePlayer *, int> IReGameHook_HandleMenu_ChooseAppearance;
 typedef IHookChainRegistry<void, class CBasePlayer *, int> IReGameHookRegistry_HandleMenu_ChooseAppearance;
@@ -654,6 +658,8 @@ public:
 	virtual IReGameHookRegistry_CBasePlayer_Pain *CBasePlayer_Pain() = 0;
 	virtual IReGameHookRegistry_CBasePlayer_DeathSound *CBasePlayer_DeathSound() = 0;
 	virtual IReGameHookRegistry_CBasePlayer_JoiningThink *CBasePlayer_JoiningThink() = 0;
+	
+	virtual IReGameHookRegistry_PM_LadderMove *PM_LadderMove() = 0;
 };
 
 struct ReGameFuncs_t {

reapi/src/hook_callback.cpp

@@ -899,6 +899,23 @@ void PM_AirMove(IReGameHook_PM_AirMove *chain, int playerIndex)
 	callVoidForward(RG_PM_AirMove, original, playerIndex);
 }
 
+void PM_LadderMove_AMXX(Phys_T *data, int playerIndex)
+{
+	auto original = [data](int _playerIndex)
+	{
+		data->m_chain->callNext(data->m_args.pLadder);
+	};
+
+	callVoidForward(RG_PM_LadderMove, original, playerIndex);
+}
+
+void PM_LadderMove(IReGameHook_PM_LadderMove *chain, physent_t *pLadder)
+{
+	PM_LadderMove_args_t args(pLadder);
+	Phys_T data(chain, args);
+	PM_LadderMove_AMXX(&data, pLadder->player + 1);
+}
+
 BOOL CSGameRules_FShouldSwitchWeapon(IReGameHook_CSGameRules_FShouldSwitchWeapon *chain, CBasePlayer *pPlayer, CBasePlayerItem *pWeapon)
 {
 	auto original = [chain](int _pPlayer, int _pWeapon)

reapi/src/hook_callback.h

@@ -402,6 +402,18 @@ void PM_Move_AMXX(Move_t *data, int playerIndex);
 void PM_Move(IReGameHook_PM_Move *chain, playermove_t *ppmove, int server);
 
 void PM_AirMove(IReGameHook_PM_AirMove *chain, int playerIndex);
+
+struct PM_LadderMove_args_t
+{
+	PM_LadderMove_args_t(physent_t *_ladder) : pLadder(_ladder) {}
+
+	physent_t *pLadder;
+};
+
+using Phys_T = hookdata_t<IReGameHook_PM_LadderMove *, PM_LadderMove_args_t &>;
+void PM_LadderMove_AMXX(Phys_T *data);
+void PM_LadderMove(IReGameHook_PM_LadderMove *chain, physent_t *pLadder);
+
 void HandleMenu_ChooseAppearance(IReGameHook_HandleMenu_ChooseAppearance *chain, CBasePlayer *pPlayer, int slot);
 BOOL HandleMenu_ChooseTeam(IReGameHook_HandleMenu_ChooseTeam *chain, CBasePlayer *pPlayer, int slot);
 void ShowMenu(IReGameHook_ShowMenu *chain, CBasePlayer *pPlayer, int bitsValidSlots, int nDisplayTime, BOOL fNeedMore, char *pszText);

reapi/src/hook_list.cpp

@@ -131,6 +131,7 @@ hook_t hooklist_gamedll[] = {
 	DLL(SpawnHeadGib),
 	DLL(SpawnRandomGibs),
 	DLL(CreateWeaponBox),
+	DLL(PM_LadderMove),
 };
 
 hook_t hooklist_animating[] = {

reapi/src/hook_list.h

@@ -145,6 +145,7 @@ enum GamedllFunc
 	RG_SpawnRandomGibs,
 
 	RG_CreateWeaponBox,
+	RG_PM_LadderMove,
 
 	// [...]
 };