Add new natives rh_is_paused, rh_set_pause (#1)

* Add natives about pause

* Fix crash when g_RehldsData->SetPaused() be called

* host_pause

* Fix doc

* Update natives_misc.cpp

* Update reapi_engine.inc

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

@@ -279,6 +279,27 @@ native rh_get_net_from(output[], len);
 */
 native rh_get_client_connect_time(const index);
 
+/*
+* Checks if server paused
+*
+* @return           Returns true if paused, otherwise false.
+*/
+native bool:rh_is_paused();
+
+/*
+* Set server pause state
+*
+* @param st         Pause state, true: server will be paused, false: unpause(if paused)
+* @param host       If it is 1, the native will call 'Host_Pause()'
+*
+* @note             rh_set_paused(true, true)  just like set pausable to 1 and execute client command 'pause'
+* @note             rh_set_paused(true, false) only set g_psv.paused
+* @note             It's best not to use rh_set_paused(false, false), bad things will happen
+*
+* @noreturn
+*/
+native rh_set_pause(const bool:st, const bool:host = true);
+
 /*
 * Checks if a specific entity is fully packed in a given frame for a host client.
 *

reapi/include/cssdk/engine/rehlds_api.h

@@ -382,6 +382,7 @@ struct RehldsFuncs_t {
 	void(*RemoveExtDll)(void *hModule);
 	void(*RemoveCvarListener)(const char *var_name, cvar_callback_t func);
 	ENTITYINIT(*GetEntityInit)(char *pszClassName);
+	void(*Host_Pause)(bool setPause);
 
 	// Read functions
 	int(*MSG_ReadChar)();

reapi/include/cssdk/engine/rehlds_interfaces.h

@@ -129,4 +129,14 @@ class IRehldsServerData {
 	virtual void SetName(const char* name) = 0;
 	virtual class ISteamGameServer *GetSteamGameServer() = 0;
 	virtual struct netadr_s *GetNetFrom() = 0;
+	virtual double GetOldTime() = 0;
+	virtual void SetNetFrom(struct netadr_s *from) = 0;
+	virtual void SetWorldmapCrc(uint32 crcValue) = 0;
+	virtual void SetDecalNameNum(int num) = 0;
+
+	virtual bool IsActive() = 0;
+	virtual void SetActive(bool state) = 0;
+
+	virtual bool IsPaused() = 0;
+	virtual void SetPaused(bool state) = 0;
 };

reapi/src/natives/natives_misc.cpp

@@ -3722,6 +3722,40 @@ cell AMX_NATIVE_CALL rh_is_entity_fullpacked(AMX *amx, cell *params)
 	return FALSE;
 }
 
+/*
+* Checks if server paused
+*
+* @return           Returns true if paused, otherwise false.
+*
+* native bool:rh_is_paused();
+*/
+cell AMX_NATIVE_CALL rh_is_paused(AMX *amx, cell *params)
+{
+	return g_RehldsData->IsPaused() ? TRUE : FALSE;
+}
+
+/*
+* Set server pause state
+*
+* @param st    pause state
+*
+* @noreturn
+*
+* native rh_set_paused(const bool:st);
+*/
+cell AMX_NATIVE_CALL rh_set_pause(AMX *amx, cell *params)
+{
+	enum { arg_count, arg_st, arg_host };
+	bool isPause = params[arg_st] != 0;
+
+	g_RehldsData->SetPaused(isPause);
+	if (params[arg_host] != 0)
+	{
+		g_RehldsFuncs->Host_Pause(isPause);
+	}
+	return TRUE;
+}
+
 AMX_NATIVE_INFO Misc_Natives_RH[] =
 {
 	{ "rh_set_mapname",             rh_set_mapname             },
@@ -3734,6 +3768,8 @@ AMX_NATIVE_INFO Misc_Natives_RH[] =
 	{ "rh_get_realtime",            rh_get_realtime            },
 	{ "rh_is_entity_fullpacked",    rh_is_entity_fullpacked    },
 	{ "rh_get_client_connect_time", rh_get_client_connect_time },
+	{ "rh_is_paused",               rh_is_paused },
+	{ "rh_set_pause",               rh_set_pause },
 
 	{ nullptr, nullptr }
 };