From a560e907c508e0cb3cccf8ec45514979c9c984b5 Mon Sep 17 00:00:00 2001
From: ShadowsAdi <54354938+ShadowsAdi@users.noreply.github.com>
Date: Sun, 20 Mar 2022 21:53:26 +0200
Subject: [PATCH] `API`: Implement `PM_LadderMove` hook

Related to https://github.com/s1lentq/reapi/issues/82
---
 regamedll/dlls/API/CAPI_Impl.cpp           | 2 ++
 regamedll/dlls/API/CAPI_Impl.h             | 8 ++++++++
 regamedll/pm_shared/pm_shared.cpp          | 4 +++-
 regamedll/pm_shared/pm_shared.h            | 2 ++
 regamedll/public/regamedll/regamedll_api.h | 6 ++++++
 5 files changed, 21 insertions(+), 1 deletion(-)

diff --git a/regamedll/dlls/API/CAPI_Impl.cpp b/regamedll/dlls/API/CAPI_Impl.cpp
index 0fe10a490..2d5c56820 100644
--- a/regamedll/dlls/API/CAPI_Impl.cpp
+++ b/regamedll/dlls/API/CAPI_Impl.cpp
@@ -204,6 +204,8 @@ GAMEHOOK_REGISTRY(CBasePlayer_Pain);
 GAMEHOOK_REGISTRY(CBasePlayer_DeathSound);
 GAMEHOOK_REGISTRY(CBasePlayer_JoiningThink);
 
+GAMEHOOK_REGISTRY(PM_LadderMove);
+
 int CReGameApi::GetMajorVersion() {
 	return REGAMEDLL_API_VERSION_MAJOR;
 }
diff --git a/regamedll/dlls/API/CAPI_Impl.h b/regamedll/dlls/API/CAPI_Impl.h
index 1be3dd232..2dc9a9e4f 100644
--- a/regamedll/dlls/API/CAPI_Impl.h
+++ b/regamedll/dlls/API/CAPI_Impl.h
@@ -357,6 +357,10 @@ typedef IHookChainRegistryImpl<void, struct playermove_s *, int> CReGameHookRegi
 typedef IHookChainImpl<void, int> CReGameHook_PM_AirMove;
 typedef IHookChainRegistryImpl<void, int> CReGameHookRegistry_PM_AirMove;
 
+// PM_LadderMove hook
+typedef IHookChainImpl<void, struct physent_s *> CReGameHook_PM_LadderMove;
+typedef IHookChainRegistryImpl<void, struct physent_s *> CReGameHookRegistry_PM_LadderMove;
+
 // HandleMenu_ChooseAppearance hook
 typedef IHookChainImpl<void, CBasePlayer *, int> CReGameHook_HandleMenu_ChooseAppearance;
 typedef IHookChainRegistryImpl<void, CBasePlayer *, int> CReGameHookRegistry_HandleMenu_ChooseAppearance;
@@ -773,6 +777,8 @@ class CReGameHookchains: public IReGameHookchains {
 	CReGameHookRegistry_CBasePlayer_Pain m_CBasePlayer_Pain;
 	CReGameHookRegistry_CBasePlayer_DeathSound m_CBasePlayer_DeathSound;
 	CReGameHookRegistry_CBasePlayer_JoiningThink m_CBasePlayer_JoiningThink;
+	
+	CReGameHookRegistry_PM_LadderMove m_PM_LadderMove;
 
 public:
 	virtual IReGameHookRegistry_CBasePlayer_Spawn *CBasePlayer_Spawn();
@@ -904,6 +910,8 @@ class CReGameHookchains: public IReGameHookchains {
 	virtual IReGameHookRegistry_CBasePlayer_Pain *CBasePlayer_Pain();
 	virtual IReGameHookRegistry_CBasePlayer_DeathSound *CBasePlayer_DeathSound();
 	virtual IReGameHookRegistry_CBasePlayer_JoiningThink *CBasePlayer_JoiningThink();
+	
+	virtual IReGameHookRegistry_PM_LadderMove *PM_LadderMove();
 };
 
 extern CReGameHookchains g_ReGameHookchains;
diff --git a/regamedll/pm_shared/pm_shared.cpp b/regamedll/pm_shared/pm_shared.cpp
index 75d4a4909..b3b57fa5d 100644
--- a/regamedll/pm_shared/pm_shared.cpp
+++ b/regamedll/pm_shared/pm_shared.cpp
@@ -1967,7 +1967,9 @@ void PM_Duck()
 	}
 }
 
-void PM_LadderMove(physent_t *pLadder)
+LINK_HOOK_VOID_CHAIN(PM_LadderMove, (physent_t *pLadder), pLadder);
+
+void EXT_FUNC __API_HOOK(PM_LadderMove)(physent_t *pLadder)
 {
 	vec3_t ladderCenter;
 	trace_t trace;
diff --git a/regamedll/pm_shared/pm_shared.h b/regamedll/pm_shared/pm_shared.h
index 94113ae0a..da15fb5b0 100644
--- a/regamedll/pm_shared/pm_shared.h
+++ b/regamedll/pm_shared/pm_shared.h
@@ -77,12 +77,14 @@ void PM_Init(struct playermove_s *ppmove);
 void PM_Move(struct playermove_s *ppmove, int server);
 char PM_FindTextureType(char *name);
 void PM_AirMove_internal();
+void PM_LadderMove(physent_t *pLadder);
 
 #ifdef REGAMEDLL_API
 void PM_Init_OrigFunc(struct playermove_s *ppmove);
 void PM_Move_OrigFunc(struct playermove_s *ppmove, int server);
 void PM_AirMove_OrigFunc(int playerIndex = 0);
 void PM_UpdateStepSound_OrigFunc();
+void PM_LadderMove_OrigFunc(physent_t *pLadder);
 #else
 void PM_AirMove(int playerIndex = 0);
 #endif
diff --git a/regamedll/public/regamedll/regamedll_api.h b/regamedll/public/regamedll/regamedll_api.h
index ba7a8517c..9952d154a 100644
--- a/regamedll/public/regamedll/regamedll_api.h
+++ b/regamedll/public/regamedll/regamedll_api.h
@@ -236,6 +236,10 @@ 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;
@@ -653,6 +657,8 @@ class IReGameHookchains {
 	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 {