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#ifndef AI_EVENT
#define AI_EVENT
/* Make the ai_event macro set correctly */
#ifdef GPMI
# include <gpmi.h>
# include "ai.h"
/* This is how we call events (with safety-check) to GPMI */
/* XXX -- This macro (vararg macro) isn't supported on old GCCs, but GPMI
* is using them too, so it isn't a real problem, yet */
# define ai_event(player, params...) \
if (player < MAX_PLAYERS && _ai_player[player].module != NULL) \
gpmi_event(_ai_player[player].module, params)
#else
/* If GPMI isn't loaded, don't do a thing with the events (for now at least)
* Because old GCCs don't support vararg macros, and OTTD does support those
* GCCs, we need something tricky to ignore the events... and this is the solution :)
* Ugly, I know, but it works! */
# ifdef DEF_EVENTS
void empty_function(PlayerID player, int event, ...) {}
# else
extern void empty_function(PlayerID player, int event, ...);
# endif
# define ai_event empty_function
#endif /* GPMI */
/* To make our life a bit easier; you now only have to define new
* events here, and automaticly they work in OpenTTD without including
* the ottd_event package. Just because of some lovely macro-shit ;) */
#ifdef DEF_EVENTS
# define DEF_EVENTS
# define INITIAL_SET = -1
#else
# define DEF_EVENTS extern
# define INITIAL_SET
#endif /* DEF_EVENTS */
/* ------------ All available events -------------- */
DEF_EVENTS int ottd_Event_BuildStation INITIAL_SET; // (station_index, station_tile)
DEF_EVENTS int ottd_Event_BuildRoadStation INITIAL_SET; // (station_index, station_tile)
DEF_EVENTS int ottd_Event_BuildDepot INITIAL_SET; // (depot_index, depot_tile)
DEF_EVENTS int ottd_Event_BuildRoadDepot INITIAL_SET; // (depot_index, depot_tile)
DEF_EVENTS int ottd_Event_BuildVehicle INITIAL_SET; // (vehicle_index, depot_tile)
DEF_EVENTS int ottd_Event_BuildRoadVehicle INITIAL_SET; // (vehicle_index, depot_tile)
DEF_EVENTS int ottd_Event_VehicleEnterDepot INITIAL_SET; // (vehicle_index, depot_tile)
DEF_EVENTS int ottd_Event_RoadVehicleEnterDepot INITIAL_SET; // (vehicle_index, depot_tile)
DEF_EVENTS int ottd_Event_GiveOrder INITIAL_SET; // (vehicle_index)
/* ----------------- End of list ------------------ */
#endif /* AI_EVENT */
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