/**
* @brief Tries to run a mission, but doesn't err if it fails.
*
* @param misn Mission that owns the function.
* @param func Name of the function to call.
* @return -1 on error, 1 on misn.finish() call, 2 if mission got deleted
* and 0 normally.
*/
int misn_tryRun( Mission *misn, const char *func )
{
/* Get the function to run. */
misn_runStart( misn, func );
if (lua_isnil( misn->L, -1 )) {
lua_pop(misn->L,1);
return 0;
}
return misn_runFunc( misn, func, 0 );
}
/**
* @brief Approaches the NPC.
*
* @param i Index of the NPC to approach.
*/
int npc_approach( int i )
{
NPC_t *npc;
lua_State *L;
/* Make sure in bounds. */
if ((i<0) || (i>=array_size(npc_array)))
return -1;
/* Comfortability. */
npc = &npc_array[i];
/* Handle type. */
switch (npc->type) {
case NPC_TYPE_GIVER:
return npc_approach_giver( npc );
case NPC_TYPE_MISSION:
L = misn_runStart( npc->u.m.misn, npc->u.m.func );
lua_pushnumber( L, npc->id );
misn_runFunc( npc->u.m.misn, npc->u.m.func, 1 );
break;
case NPC_TYPE_EVENT:
L = event_runStart( npc->u.e.id, npc->u.e.func );
lua_pushnumber( L, npc->id );
event_runFunc( npc->u.e.id, npc->u.e.func, 1 );
break;
default:
WARN("Unknown NPC type!");
return -1;
}
return 0;
}
/**
* @brief Runs a mission function.
*
* @param misn Mission that owns the function.
* @param func Name of the function to call.
* @return -1 on error, 1 on misn.finish() call, 2 if mission got deleted
* and 0 normally.
*/
int misn_run( Mission *misn, const char *func )
{
/* Run the function. */
misn_runStart( misn, func );
return misn_runFunc( misn, func, 0 );
}
