From 15bca2eab9b360c7f5b2c61c079d70eeacd9c854 Mon Sep 17 00:00:00 2001
From: Ecnologia <52111952+Mythlogic@users.noreply.github.com>
Date: Sun, 26 Nov 2023 04:27:09 +0000
Subject: [PATCH] Implements Observer_Think Hook (#894)

* Observer Think Hook
* Update CAPI_Impl.cpp
* Update CAPI_Impl.h
* Update regamedll_api.h
---
 regamedll/dlls/API/CAPI_Impl.cpp           | 1 +
 regamedll/dlls/API/CAPI_Impl.h             | 6 ++++++
 regamedll/dlls/observer.cpp                | 6 ++++--
 regamedll/dlls/player.h                    | 3 ++-
 regamedll/public/regamedll/regamedll_api.h | 5 +++++
 5 files changed, 18 insertions(+), 3 deletions(-)

diff --git a/regamedll/dlls/API/CAPI_Impl.cpp b/regamedll/dlls/API/CAPI_Impl.cpp
index 55a56e31..5bb6b394 100644
--- a/regamedll/dlls/API/CAPI_Impl.cpp
+++ b/regamedll/dlls/API/CAPI_Impl.cpp
@@ -334,6 +334,7 @@ GAMEHOOK_REGISTRY(CBasePlayerWeapon_SendWeaponAnim);
 GAMEHOOK_REGISTRY(CSGameRules_SendDeathMessage);
 
 GAMEHOOK_REGISTRY(CBasePlayer_PlayerDeathThink);
+GAMEHOOK_REGISTRY(CBasePlayer_Observer_Think);
 
 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 b64f6d81..0548a841 100644
--- a/regamedll/dlls/API/CAPI_Impl.h
+++ b/regamedll/dlls/API/CAPI_Impl.h
@@ -741,6 +741,10 @@ typedef IHookChainRegistryClassImpl<void, CBasePlayerWeapon, int, int> CReGameHo
 typedef IHookChainClassImpl<void, CBasePlayer> CReGameHook_CBasePlayer_PlayerDeathThink;
 typedef IHookChainRegistryClassImpl<void, CBasePlayer> CReGameHookRegistry_CBasePlayer_PlayerDeathThink;
 
+// CBasePlayer::Observer_Think hook
+typedef IHookChainClassImpl<void, CBasePlayer> CReGameHook_CBasePlayer_Observer_Think;
+typedef IHookChainRegistryClassImpl<void, CBasePlayer> CReGameHookRegistry_CBasePlayer_Observer_Think;
+
 class CReGameHookchains: public IReGameHookchains {
 public:
 	// CBasePlayer virtual
@@ -900,6 +904,7 @@ public:
 	CReGameHookRegistry_CSGameRules_SendDeathMessage m_CSGameRules_SendDeathMessage;
 
 	CReGameHookRegistry_CBasePlayer_PlayerDeathThink m_CBasePlayer_PlayerDeathThink;
+	CReGameHookRegistry_CBasePlayer_Observer_Think m_CBasePlayer_Observer_Think;
 
 public:
 	virtual IReGameHookRegistry_CBasePlayer_Spawn *CBasePlayer_Spawn();
@@ -1058,6 +1063,7 @@ public:
 	virtual IReGameHookRegistry_CSGameRules_SendDeathMessage *CSGameRules_SendDeathMessage();
 
 	virtual IReGameHookRegistry_CBasePlayer_PlayerDeathThink *CBasePlayer_PlayerDeathThink();
+	virtual IReGameHookRegistry_CBasePlayer_Observer_Think *CBasePlayer_Observer_Think();
 };
 
 extern CReGameHookchains g_ReGameHookchains;
diff --git a/regamedll/dlls/observer.cpp b/regamedll/dlls/observer.cpp
index e0bdc644..4b3521a6 100644
--- a/regamedll/dlls/observer.cpp
+++ b/regamedll/dlls/observer.cpp
@@ -541,9 +541,11 @@ void EXT_FUNC CBasePlayer::__API_HOOK(Observer_SetMode)(int iMode)
 	m_bWasFollowing = false;
 }
 
-void CBasePlayer::Observer_Think()
+LINK_HOOK_CLASS_VOID_CHAIN2(CBasePlayer, Observer_Think)
+
+void EXT_FUNC CBasePlayer::__API_HOOK(Observer_Think)()
 {
 	Observer_HandleButtons();
 	Observer_CheckTarget();
 	Observer_CheckProperties();
-}
+}
\ No newline at end of file
diff --git a/regamedll/dlls/player.h b/regamedll/dlls/player.h
index ce201dea..bd3bf33e 100644
--- a/regamedll/dlls/player.h
+++ b/regamedll/dlls/player.h
@@ -447,7 +447,8 @@ public:
 	void CheckTimeBasedDamage_OrigFunc();
 	edict_t *EntSelectSpawnPoint_OrigFunc();
 	void PlayerDeathThink_OrigFunc();
-
+	void Observer_Think_OrigFunc();
+	
 	CCSPlayer *CSPlayer() const;
 #endif // REGAMEDLL_API
 
diff --git a/regamedll/public/regamedll/regamedll_api.h b/regamedll/public/regamedll/regamedll_api.h
index e1191494..0d8fd4f1 100644
--- a/regamedll/public/regamedll/regamedll_api.h
+++ b/regamedll/public/regamedll/regamedll_api.h
@@ -620,6 +620,10 @@ typedef IHookChainRegistryClass<void, CBasePlayerWeapon, int, int> IReGameHookRe
 typedef IHookChainClass<void, class CBasePlayer> IReGameHook_CBasePlayer_PlayerDeathThink;
 typedef IHookChainRegistryClass<void, class CBasePlayer> IReGameHookRegistry_CBasePlayer_PlayerDeathThink;
 
+// CBasePlayer::Observer_Think hook
+typedef IHookChainClass<void, class CBasePlayer> IReGameHook_CBasePlayer_Observer_Think;
+typedef IHookChainRegistryClass<void, class CBasePlayer> IReGameHookRegistry_CBasePlayer_Observer_Think;
+
 class IReGameHookchains {
 public:
 	virtual ~IReGameHookchains() {}
@@ -780,6 +784,7 @@ public:
 	virtual IReGameHookRegistry_CSGameRules_SendDeathMessage *CSGameRules_SendDeathMessage() = 0;
 
 	virtual IReGameHookRegistry_CBasePlayer_PlayerDeathThink *CBasePlayer_PlayerDeathThink() = 0;
+	virtual IReGameHookRegistry_CBasePlayer_Observer_Think *CBasePlayer_Observer_Think() = 0;
 };
 
 struct ReGameFuncs_t {