implement CGib (#536)

* implement CGib
Move code part from basemonster.cpp to gib.cpp
3-rd party:
Link entity to class (can hookable by HamSandwich amxx module)
Add hooks for ReAPI

gradle.properties

@@ -1,3 +1,3 @@
 majorVersion=5
-minorVersion=16
+minorVersion=17
 maintenanceVersion=0

regamedll/dlls/API/CAPI_Impl.cpp

@@ -170,6 +170,12 @@ GAMEHOOK_REGISTRY(CBasePlayer_DropIdlePlayer);
 
 GAMEHOOK_REGISTRY(CreateWeaponBox);
 
+GAMEHOOK_REGISTRY(SpawnHeadGib);
+GAMEHOOK_REGISTRY(SpawnRandomGibs);
+GAMEHOOK_REGISTRY(CGib_Spawn);
+GAMEHOOK_REGISTRY(CGib_BounceGibTouch);
+GAMEHOOK_REGISTRY(CGib_WaitTillLand);
+
 int CReGameApi::GetMajorVersion() {
 	return REGAMEDLL_API_VERSION_MAJOR;
 }

regamedll/dlls/API/CAPI_Impl.h

@@ -105,6 +105,16 @@
 		return g_ReGameHookchains.m_##functionName.callChain(functionName##_OrigFunc, __VA_ARGS__);\
 	}
 
+#define LINK_HOOK_GLOB_CLASS_VOID_CHAIN(className, functionName, args, ...)\
+	void className::functionName args {\
+		g_ReGameHookchains.m_##functionName.callChain(className::functionName##_OrigFunc, __VA_ARGS__);\
+	}
+
+#define LINK_HOOK_GLOB_CLASS_CHAIN(ret, className, functionName, args, ...)\
+	ret className::functionName args {\
+		return g_ReGameHookchains.m_##functionName.callChain(className::functionName##_OrigFunc, __VA_ARGS__);\
+	}
+
 #define LINK_HOOK_CUSTOM2_CHAIN(ret, customFuncName, functionName, args, ...)\
 	ret functionName args {\
 		return g_ReGameHookchains.m_##customFuncName.callChain(functionName##_OrigFunc, __VA_ARGS__);\
@@ -137,6 +147,8 @@
 #define LINK_HOOK_VOID_CHAIN2(...)
 #define LINK_HOOK_CHAIN(...)
 #define LINK_HOOK_CHAIN2(...)
+#define LINK_HOOK_GLOB_CLASS_VOID_CHAIN(...)
+#define LINK_HOOK_GLOB_CLASS_CHAIN(...)
 
 #endif // REGAMEDLL_API
 
@@ -564,13 +576,33 @@ typedef IHookChainClassImpl<bool, CBasePlayerWeapon, int, int, float, float, con
 typedef IHookChainRegistryClassImpl<bool, CBasePlayerWeapon, int, int, float, float, const char *, const char *> CReGameHookRegistry_CBasePlayerWeapon_DefaultShotgunReload;
 
 // CBasePlayer::DropIdlePlayer hook
-typedef IHookChainClassImpl<void, CBasePlayer, const char *> CReGameHook_CBasePlayer_DropIdlePlayer;
-typedef IHookChainRegistryClassImpl<void, CBasePlayer, const char *> CReGameHookRegistry_CBasePlayer_DropIdlePlayer;
+typedef IHookChainClassImpl<void, class CBasePlayer, const char *> CReGameHook_CBasePlayer_DropIdlePlayer;
+typedef IHookChainRegistryClassImpl<void, class CBasePlayer, const char *> CReGameHookRegistry_CBasePlayer_DropIdlePlayer;
 
 // CreateWeaponBox hook
 typedef IHookChainImpl<CWeaponBox *, CBasePlayerItem *, CBasePlayer *, const char *, Vector &, Vector &, Vector &, float, bool> CReGameHook_CreateWeaponBox;
 typedef IHookChainRegistryImpl<CWeaponBox *, CBasePlayerItem *, CBasePlayer *, const char *, Vector &, Vector &, Vector &, float, bool> CReGameHookRegistry_CreateWeaponBox;
 
+// SpawnHeadGib hook
+typedef IHookChainImpl<class CGib *, entvars_t *> CReGameHook_SpawnHeadGib;
+typedef IHookChainRegistryImpl<class CGib *, entvars_t *> CReGameHookRegistry_SpawnHeadGib;
+
+// SpawnRandomGibs hook
+typedef IHookChainImpl<void, entvars_t *, int, int> CReGameHook_SpawnRandomGibs;
+typedef IHookChainRegistryImpl<void, entvars_t *, int, int> CReGameHookRegistry_SpawnRandomGibs;
+
+// CGib::Spawn hook
+typedef IHookChainClassImpl<void, class CGib, const char *> CReGameHook_CGib_Spawn;
+typedef IHookChainRegistryClassImpl<void, class CGib, const char *> CReGameHookRegistry_CGib_Spawn;
+
+// CGib::BounceGibTouch hook
+typedef IHookChainClassImpl<void, class CGib, CBaseEntity *> CReGameHook_CGib_BounceGibTouch;
+typedef IHookChainRegistryClassImpl<void, class CGib, CBaseEntity *> CReGameHookRegistry_CGib_BounceGibTouch;
+
+// CGib::WaitTillLand hook
+typedef IHookChainClassImpl<void, class CGib> CReGameHook_CGib_WaitTillLand;
+typedef IHookChainRegistryClassImpl<void, class CGib> CReGameHookRegistry_CGib_WaitTillLand;
+
 class CReGameHookchains: public IReGameHookchains {
 public:
 	// CBasePlayer virtual
@@ -687,6 +719,12 @@ class CReGameHookchains: public IReGameHookchains {
 	CReGameHookRegistry_CBasePlayer_DropIdlePlayer m_CBasePlayer_DropIdlePlayer;
 	CReGameHookRegistry_CreateWeaponBox m_CreateWeaponBox;
 
+	CReGameHookRegistry_SpawnHeadGib m_SpawnHeadGib;
+	CReGameHookRegistry_SpawnRandomGibs m_SpawnRandomGibs;
+	CReGameHookRegistry_CGib_Spawn m_CGib_Spawn;
+	CReGameHookRegistry_CGib_BounceGibTouch m_CGib_BounceGibTouch;
+	CReGameHookRegistry_CGib_WaitTillLand m_CGib_WaitTillLand;
+
 public:
 	virtual IReGameHookRegistry_CBasePlayer_Spawn *CBasePlayer_Spawn();
 	virtual IReGameHookRegistry_CBasePlayer_Precache *CBasePlayer_Precache();
@@ -800,6 +838,12 @@ class CReGameHookchains: public IReGameHookchains {
 	virtual IReGameHookRegistry_CBasePlayerWeapon_DefaultShotgunReload *CBasePlayerWeapon_DefaultShotgunReload();
 	virtual IReGameHookRegistry_CBasePlayer_DropIdlePlayer *CBasePlayer_DropIdlePlayer();
 	virtual IReGameHookRegistry_CreateWeaponBox *CreateWeaponBox();
+
+	virtual IReGameHookRegistry_SpawnHeadGib *SpawnHeadGib();
+	virtual IReGameHookRegistry_SpawnRandomGibs *SpawnRandomGibs();
+	virtual IReGameHookRegistry_CGib_Spawn *CGib_Spawn();
+	virtual IReGameHookRegistry_CGib_BounceGibTouch *CGib_BounceGibTouch();
+	virtual IReGameHookRegistry_CGib_WaitTillLand *CGib_WaitTillLand();
 };
 
 extern CReGameHookchains g_ReGameHookchains;

regamedll/dlls/basemonster.cpp

@@ -368,32 +368,6 @@ void CBaseMonster::Killed(entvars_t *pevAttacker, int iGib)
 	m_IdealMonsterState = MONSTERSTATE_DEAD;
 }
 
-void CGib::WaitTillLand()
-{
-	if (!IsInWorld())
-	{
-		UTIL_Remove(this);
-		return;
-	}
-
-	if (pev->velocity == g_vecZero)
-	{
-		SetThink(&CBaseEntity::SUB_StartFadeOut);
-		pev->nextthink = gpGlobals->time + m_lifeTime;
-
-#ifndef REGAMEDLL_FIXES
-		if (m_bloodColor != DONT_BLEED)
-		{
-			CSoundEnt::InsertSound(bits_SOUND_MEAT, pev->origin, 384, 25);
-		}
-#endif
-	}
-	else
-	{
-		pev->nextthink = gpGlobals->time + 0.5f;
-	}
-}
-
 BOOL CBaseMonster::TakeHealth(float flHealth, int bitsDamageType)
 {
 	if (pev->takedamage == DAMAGE_NO)

regamedll/dlls/gib.cpp

@@ -1,5 +1,7 @@
 #include "precompiled.h"
 
+LINK_ENTITY_TO_CLASS(gib, CGib, CCSGib)
+
 void CGib::LimitVelocity()
 {
 	float length = pev->velocity.Length();
@@ -74,7 +76,9 @@ NOXREF void CGib::SpawnStickyGibs(entvars_t *pevVictim, Vector vecOrigin, int cG
 	}
 }
 
-void CGib::SpawnHeadGib(entvars_t *pevVictim)
+LINK_HOOK_GLOB_CLASS_CHAIN(CGib *, CGib, SpawnHeadGib, (entvars_t *pevVictim), pevVictim)
+
+CGib *CGib::__API_HOOK(SpawnHeadGib)(entvars_t *pevVictim)
 {
 	CGib *pGib = GetClassPtr<CCSGib>((CGib *)nullptr);
 
@@ -132,9 +136,13 @@ void CGib::SpawnHeadGib(entvars_t *pevVictim)
 	}
 
 	pGib->LimitVelocity();
+
+	return pGib;
 }
 
-void CGib::SpawnRandomGibs(entvars_t *pevVictim, int cGibs, int human)
+LINK_HOOK_GLOB_CLASS_VOID_CHAIN(CGib, SpawnRandomGibs, (entvars_t *pevVictim, int cGibs, int human), pevVictim, cGibs, human)
+
+void CGib::__API_HOOK(SpawnRandomGibs)(entvars_t *pevVictim, int cGibs, int human)
 {
 	for (int cSplat = 0; cSplat < cGibs; cSplat++)
 	{
@@ -198,11 +206,14 @@ void CGib::SpawnRandomGibs(entvars_t *pevVictim, int cGibs, int human)
 			pGib->pev->solid = SOLID_BBOX;
 			UTIL_SetSize(pGib->pev, Vector(0, 0, 0), Vector(0, 0, 0));
 		}
+
 		pGib->LimitVelocity();
 	}
 }
 
-void CGib::BounceGibTouch(CBaseEntity *pOther)
+LINK_HOOK_CLASS_VOID_CHAIN(CGib, BounceGibTouch, (CBaseEntity *pOther), pOther)
+
+void CGib::__API_HOOK(BounceGibTouch)(CBaseEntity *pOther)
 {
 	if (pev->flags & FL_ONGROUND)
 	{
@@ -260,7 +271,9 @@ void CGib::StickyGibTouch(CBaseEntity *pOther)
 	pev->movetype = MOVETYPE_NONE;
 }
 
-void CGib::Spawn(const char *szGibModel)
+LINK_HOOK_CLASS_VOID_CHAIN(CGib, Spawn, (const char *szGibModel), szGibModel)
+
+void CGib::__API_HOOK(Spawn)(const char *szGibModel)
 {
 	pev->movetype = MOVETYPE_BOUNCE;
 
@@ -292,3 +305,31 @@ void CGib::Spawn(const char *szGibModel)
 	// how many blood decals this gib can place (1 per bounce until none remain).
 	m_cBloodDecals = 5;
 }
+
+LINK_HOOK_CLASS_VOID_CHAIN2(CGib, WaitTillLand)
+
+void CGib::__API_HOOK(WaitTillLand)()
+{
+	if (!IsInWorld())
+	{
+		UTIL_Remove(this);
+		return;
+	}
+
+	if (pev->velocity == g_vecZero)
+	{
+		SetThink(&CBaseEntity::SUB_StartFadeOut);
+		pev->nextthink = gpGlobals->time + m_lifeTime;
+
+#ifndef REGAMEDLL_FIXES
+		if (m_bloodColor != DONT_BLEED)
+		{
+			CSoundEnt::InsertSound(bits_SOUND_MEAT, pev->origin, 384, 25);
+		}
+#endif
+	}
+	else
+	{
+		pev->nextthink = gpGlobals->time + 0.5f;
+	}
+}

regamedll/dlls/gib.h

@@ -34,14 +34,21 @@ class CGib: public CBaseEntity
 	virtual int ObjectCaps() { return (CBaseEntity::ObjectCaps() & ~FCAP_ACROSS_TRANSITION) | FCAP_DONT_SAVE; }
 
 public:
+	void Spawn_OrigFunc(const char *szGibModel);
+	void BounceGibTouch_OrigFunc(CBaseEntity *pOther);
+	void WaitTillLand_OrigFunc();
+
 	void Spawn(const char *szGibModel);
 	void EXPORT BounceGibTouch(CBaseEntity *pOther);
 	void EXPORT StickyGibTouch(CBaseEntity *pOther);
 	void EXPORT WaitTillLand();
 	void LimitVelocity();
 
 public:
-	static void SpawnHeadGib(entvars_t *pevVictim);
+	static CGib *SpawnHeadGib_OrigFunc(entvars_t *pevVictim);
+	static void SpawnRandomGibs_OrigFunc(entvars_t *pevVictim, int cGibs, int human);
+
+	static CGib *SpawnHeadGib(entvars_t *pevVictim);
 	static void SpawnRandomGibs(entvars_t *pevVictim, int cGibs, int human);
 	static void SpawnStickyGibs(entvars_t *pevVictim, Vector vecOrigin, int cGibs);
 

regamedll/public/regamedll/regamedll_api.h

@@ -38,7 +38,7 @@
 #include <API/CSInterfaces.h>
 
 #define REGAMEDLL_API_VERSION_MAJOR 5
-#define REGAMEDLL_API_VERSION_MINOR 16
+#define REGAMEDLL_API_VERSION_MINOR 17
 
 // CBasePlayer::Spawn hook
 typedef IHookChainClass<void, class CBasePlayer> IReGameHook_CBasePlayer_Spawn;
@@ -461,13 +461,33 @@ typedef IHookChainClass<bool, class CBasePlayerWeapon, int, int, float, float, c
 typedef IHookChainRegistryClass<bool, class CBasePlayerWeapon, int, int, float, float, const char *, const char *> IReGameHookRegistry_CBasePlayerWeapon_DefaultShotgunReload;
 
 // CBasePlayer::DropIdlePlayer hook
-typedef IHookChainClass<void, CBasePlayer, const char *> IReGameHook_CBasePlayer_DropIdlePlayer;
-typedef IHookChainRegistryClass<void, CBasePlayer, const char *> IReGameHookRegistry_CBasePlayer_DropIdlePlayer;
+typedef IHookChainClass<void, class CBasePlayer, const char *> IReGameHook_CBasePlayer_DropIdlePlayer;
+typedef IHookChainRegistryClass<void, class CBasePlayer, const char *> IReGameHookRegistry_CBasePlayer_DropIdlePlayer;
 
 // CreateWeaponBox hook
 typedef IHookChain<class CWeaponBox *, class CBasePlayerItem *, class CBasePlayer *, const char *, Vector &, Vector &, Vector &, float, bool> IReGameHook_CreateWeaponBox;
 typedef IHookChainRegistry<class CWeaponBox *, class CBasePlayerItem *, class CBasePlayer *, const char *, Vector &, Vector &, Vector &, float, bool> IReGameHookRegistry_CreateWeaponBox;
 
+// SpawnHeadGib hook
+typedef IHookChain<class CGib *, entvars_t *> IReGameHook_SpawnHeadGib;
+typedef IHookChainRegistry<class CGib *, entvars_t *> IReGameHookRegistry_SpawnHeadGib;
+
+// SpawnRandomGibs hook
+typedef IHookChain<void, entvars_t *, int, int> IReGameHook_SpawnRandomGibs;
+typedef IHookChainRegistry<void, entvars_t *, int, int> IReGameHookRegistry_SpawnRandomGibs;
+
+// CGib::Spawn hook
+typedef IHookChainClass<void, class CGib, const char *> IReGameHook_CGib_Spawn;
+typedef IHookChainRegistryClass<void, class CGib, const char *> IReGameHookRegistry_CGib_Spawn;
+
+// CGib::BounceGibTouch hook
+typedef IHookChainClass<void, class CGib, CBaseEntity *> IReGameHook_CGib_BounceGibTouch;
+typedef IHookChainRegistryClass<void, class CGib, CBaseEntity *> IReGameHookRegistry_CGib_BounceGibTouch;
+
+// CGib::WaitTillLand hook
+typedef IHookChainClass<void, class CGib> IReGameHook_CGib_WaitTillLand;
+typedef IHookChainRegistryClass<void, class CGib> IReGameHookRegistry_CGib_WaitTillLand;
+
 class IReGameHookchains {
 public:
 	virtual ~IReGameHookchains() {}
@@ -584,6 +604,12 @@ class IReGameHookchains {
 	virtual IReGameHookRegistry_CBasePlayerWeapon_DefaultShotgunReload *CBasePlayerWeapon_DefaultShotgunReload() = 0;
 	virtual IReGameHookRegistry_CBasePlayer_DropIdlePlayer *CBasePlayer_DropIdlePlayer() = 0;
 	virtual IReGameHookRegistry_CreateWeaponBox *CreateWeaponBox() = 0;
+
+	virtual IReGameHookRegistry_SpawnHeadGib *SpawnHeadGib() = 0;
+	virtual IReGameHookRegistry_SpawnRandomGibs *SpawnRandomGibs() = 0;
+	virtual IReGameHookRegistry_CGib_Spawn *CGib_Spawn() = 0;
+	virtual IReGameHookRegistry_CGib_BounceGibTouch *CGib_BounceGibTouch() = 0;
+	virtual IReGameHookRegistry_CGib_WaitTillLand *CGib_WaitTillLand() = 0;
 };
 
 struct ReGameFuncs_t {