Create event scripts if they don't exist

cl_dll/cdll_int.cpp

@@ -112,7 +112,6 @@ void DLLEXPORT HUD_PlayerMove(struct playermove_s* ppmove, int server)
 
 static bool CL_InitClient()
 {
-	EV_HookEvents();
 	CL_LoadParticleMan();
 
 	if (!FileSystem_LoadFileSystem())
@@ -128,6 +127,8 @@ static bool CL_InitClient()
 		return false;
 	}
 
+	EV_HookEvents();
+
 	// get tracker interface, if any
 	return true;
 }

cl_dll/com_weapons.cpp

@@ -273,6 +273,5 @@ stub functions for such things as precaching.  So we don't have to modify weapon
 */
 int stub_PrecacheModel(const char* s) { return 0; }
 int stub_PrecacheSound(const char* s) { return 0; }
-unsigned short stub_PrecacheEvent(int type, const char* s) { return 0; }
 const char* stub_NameForFunction(uint32 function) { return "func"; }
 void stub_SetModel(edict_t* e, const char* m) {}

cl_dll/com_weapons.h

@@ -25,7 +25,6 @@ void HUD_PlaybackEvent(int flags, const struct edict_s* pInvoker, unsigned short
 void HUD_SetMaxSpeed(const struct edict_s* ed, float speed);
 int stub_PrecacheModel(const char* s);
 int stub_PrecacheSound(const char* s);
-unsigned short stub_PrecacheEvent(int type, const char* s);
 const char* stub_NameForFunction(uint32 function);
 void stub_SetModel(struct edict_s* e, const char* m);
 

cl_dll/hl/hl_events.cpp

@@ -17,6 +17,14 @@
 #include "event_api.h"
 #include "pmtrace.h"
 #include "ev_hldm.h"
+#include "filesystem_utils.h"
+
+static void Game_HookEvent(const char* const szEventName, void (*const pfnEvent)(event_args_t*))
+{
+	UTIL_CheckEventScript(szEventName);
+
+	gEngfuncs.pfnHookEvent(szEventName, pfnEvent);
+}
 
 /*
 ======================
@@ -32,24 +40,24 @@ That was what we were going to do, but we ran out of time...oh well.
 */
 void Game_HookEvents()
 {
-	gEngfuncs.pfnHookEvent("events/glock1.sc", EV_FireGlock1);
-	gEngfuncs.pfnHookEvent("events/glock2.sc", EV_FireGlock2);
-	gEngfuncs.pfnHookEvent("events/shotgun1.sc", EV_FireShotGunSingle);
-	gEngfuncs.pfnHookEvent("events/shotgun2.sc", EV_FireShotGunDouble);
-	gEngfuncs.pfnHookEvent("events/mp5.sc", EV_FireMP5);
-	gEngfuncs.pfnHookEvent("events/mp52.sc", EV_FireMP52);
-	gEngfuncs.pfnHookEvent("events/python.sc", EV_FirePython);
-	gEngfuncs.pfnHookEvent("events/gauss.sc", EV_FireGauss);
-	gEngfuncs.pfnHookEvent("events/gaussspin.sc", EV_SpinGauss);
-	gEngfuncs.pfnHookEvent("events/train.sc", EV_TrainPitchAdjust);
-	gEngfuncs.pfnHookEvent("events/vehicle.sc", EV_VehiclePitchAdjust);
-	gEngfuncs.pfnHookEvent("events/crowbar.sc", EV_Crowbar);
-	gEngfuncs.pfnHookEvent("events/crossbow1.sc", EV_FireCrossbow);
-	gEngfuncs.pfnHookEvent("events/crossbow2.sc", EV_FireCrossbow2);
-	gEngfuncs.pfnHookEvent("events/rpg.sc", EV_FireRpg);
-	gEngfuncs.pfnHookEvent("events/egon_fire.sc", EV_EgonFire);
-	gEngfuncs.pfnHookEvent("events/egon_stop.sc", EV_EgonStop);
-	gEngfuncs.pfnHookEvent("events/firehornet.sc", EV_HornetGunFire);
-	gEngfuncs.pfnHookEvent("events/tripfire.sc", EV_TripmineFire);
-	gEngfuncs.pfnHookEvent("events/snarkfire.sc", EV_SnarkFire);
+	Game_HookEvent("events/glock1.sc", EV_FireGlock1);
+	Game_HookEvent("events/glock2.sc", EV_FireGlock2);
+	Game_HookEvent("events/shotgun1.sc", EV_FireShotGunSingle);
+	Game_HookEvent("events/shotgun2.sc", EV_FireShotGunDouble);
+	Game_HookEvent("events/mp5.sc", EV_FireMP5);
+	Game_HookEvent("events/mp52.sc", EV_FireMP52);
+	Game_HookEvent("events/python.sc", EV_FirePython);
+	Game_HookEvent("events/gauss.sc", EV_FireGauss);
+	Game_HookEvent("events/gaussspin.sc", EV_SpinGauss);
+	Game_HookEvent("events/train.sc", EV_TrainPitchAdjust);
+	Game_HookEvent("events/vehicle.sc", EV_VehiclePitchAdjust);
+	Game_HookEvent("events/crowbar.sc", EV_Crowbar);
+	Game_HookEvent("events/crossbow1.sc", EV_FireCrossbow);
+	Game_HookEvent("events/crossbow2.sc", EV_FireCrossbow2);
+	Game_HookEvent("events/rpg.sc", EV_FireRpg);
+	Game_HookEvent("events/egon_fire.sc", EV_EgonFire);
+	Game_HookEvent("events/egon_stop.sc", EV_EgonStop);
+	Game_HookEvent("events/firehornet.sc", EV_HornetGunFire);
+	Game_HookEvent("events/tripfire.sc", EV_TripmineFire);
+	Game_HookEvent("events/snarkfire.sc", EV_SnarkFire);
 }

cl_dll/hl/hl_weapons.cpp

@@ -429,7 +429,6 @@ void HUD_InitClientWeapons()
 	// Fake functions
 	g_engfuncs.pfnPrecacheModel = stub_PrecacheModel;
 	g_engfuncs.pfnPrecacheSound = stub_PrecacheSound;
-	g_engfuncs.pfnPrecacheEvent = stub_PrecacheEvent;
 	g_engfuncs.pfnNameForFunction = stub_NameForFunction;
 	g_engfuncs.pfnSetModel = stub_SetModel;
 	g_engfuncs.pfnSetClientMaxspeed = HUD_SetMaxSpeed;

game_shared/filesystem_utils.cpp

@@ -342,3 +342,32 @@ bool UTIL_IsValveGameDirectory()
 
 	return false;
 }
+
+bool UTIL_CheckEventScript(const char* const szEventScript)
+{
+	if (g_pFileSystem->FileExists(szEventScript))
+	{
+		return true;
+	}
+
+#ifdef CLIENT_DLL
+	gEngfuncs.Con_DPrintf("creating %s\n", szEventScript);
+#else
+	ALERT(at_console, "creating %s\n", szEventScript);
+#endif
+
+	FSFile eventScript {szEventScript, "w", "GAMECONFIG"};
+
+	if (eventScript.IsOpen())
+	{
+		return true;
+	}
+
+#ifdef CLIENT_DLL
+	gEngfuncs.Con_DPrintf("failed to create %s\n", szEventScript);
+#else
+	ALERT(at_console, "failed to create %s\n", szEventScript);
+#endif
+
+	return false;
+}

game_shared/filesystem_utils.h

@@ -113,6 +113,12 @@ bool FileSystem_WriteTextToFile(const char* fileName, const char* text, const ch
 */
 bool UTIL_IsValveGameDirectory();
 
+/**
+ * @brief Checks if the script file exists and, if not, attempts to create it.
+ * @return @c true if the script file exists or has been created
+ */
+bool UTIL_CheckEventScript(const char* const szEventScript);
+
 /**
 *	@brief Helper class to automatically close the file handle associated with a file.
 */