//===========================================================================
//
// Parameter: -
// Returns: -
// Changes Globals: -
//===========================================================================
int BotChooseNBGItem( int goalstate, vec3_t origin, int *inventory, int travelflags,
bot_goal_t *ltg, float maxtime ) {
int areanum, t, weightnum, ltg_time;
float weight, bestweight, avoidtime;
iteminfo_t *iteminfo;
itemconfig_t *ic;
levelitem_t *li, *bestitem;
bot_goal_t goal;
bot_goalstate_t *gs;
gs = BotGoalStateFromHandle( goalstate );
if ( !gs ) {
return qfalse;
}
if ( !gs->itemweightconfig ) {
return qfalse;
}
//get the area the bot is in
areanum = BotReachabilityArea( origin, gs->client );
//if the bot is in solid or if the area the bot is in has no reachability links
if ( !areanum || !AAS_AreaReachability( areanum ) ) {
//use the last valid area the bot was in
areanum = gs->lastreachabilityarea;
} //end if
//remember the last area with reachabilities the bot was in
gs->lastreachabilityarea = areanum;
//if still in solid
if ( !areanum ) {
return qfalse;
}
//
if ( ltg ) {
ltg_time = AAS_AreaTravelTimeToGoalArea( areanum, origin, ltg->areanum, travelflags );
} else { ltg_time = 99999;}
//the item configuration
ic = itemconfig;
if ( !itemconfig ) {
return qfalse;
}
//best weight and item so far
bestweight = 0;
bestitem = NULL;
memset( &goal, 0, sizeof( bot_goal_t ) );
//go through the items in the level
for ( li = levelitems; li; li = li->next )
{
if ( g_gametype == GT_SINGLE_PLAYER ) {
if ( li->notsingle ) {
continue;
}
} else if ( g_gametype >= GT_TEAM ) {
if ( li->notteam ) {
continue;
}
} else {
if ( li->notfree ) {
continue;
}
}
//if the item is in a possible goal area
if ( !li->goalareanum ) {
continue;
}
//get the fuzzy weight function for this item
iteminfo = &ic->iteminfo[li->iteminfo];
weightnum = gs->itemweightindex[iteminfo->number];
if ( weightnum < 0 ) {
continue;
}
//if this goal is in the avoid goals
if ( BotAvoidGoalTime( goalstate, li->number ) > 0 ) {
continue;
}
//
#ifdef UNDECIDEDFUZZY
weight = FuzzyWeightUndecided( inventory, gs->itemweightconfig, weightnum );
#else
weight = FuzzyWeight( inventory, gs->itemweightconfig, weightnum );
#endif //UNDECIDEDFUZZY
#ifdef DROPPEDWEIGHT
//HACK: to make dropped items more attractive
if ( li->timeout ) {
weight += 1000;
}
#endif //DROPPEDWEIGHT
if ( weight > 0 ) {
//get the travel time towards the goal area
t = AAS_AreaTravelTimeToGoalArea( areanum, origin, li->goalareanum, travelflags );
//if the goal is reachable
if ( t > 0 && t < maxtime ) {
weight /= (float) t * TRAVELTIME_SCALE;
//
if ( weight > bestweight ) {
t = 0;
if ( ltg && !li->timeout ) {
//get the travel time from the goal to the long term goal
t = AAS_AreaTravelTimeToGoalArea( li->goalareanum, li->goalorigin, ltg->areanum, travelflags );
} //end if
//if the travel back is possible and doesn't take too long
if ( t <= ltg_time ) {
bestweight = weight;
bestitem = li;
} //end if
} //end if
} //end if
} //end if
} //end for
//if no goal item found
if ( !bestitem ) {
return qfalse;
}
//create a bot goal for this item
iteminfo = &ic->iteminfo[bestitem->iteminfo];
VectorCopy( bestitem->goalorigin, goal.origin );
VectorCopy( iteminfo->mins, goal.mins );
VectorCopy( iteminfo->maxs, goal.maxs );
goal.areanum = bestitem->goalareanum;
goal.entitynum = bestitem->entitynum;
goal.number = bestitem->number;
goal.flags = GFL_ITEM;
goal.iteminfo = bestitem->iteminfo;
//add the chosen goal to the goals to avoid for a while
avoidtime = iteminfo->respawntime * 0.5;
if ( avoidtime < 10 ) {
avoidtime = AVOID_TIME;
}
//if it's a dropped item
if ( bestitem->timeout ) {
avoidtime = AVOIDDROPPED_TIME;
}
BotAddToAvoidGoals( gs, bestitem->number, avoidtime );
//push the goal on the stack
BotPushGoal( goalstate, &goal );
//
#ifdef DEBUG_AI_GOAL
if ( bestitem->timeout ) {
botimport.Print( PRT_MESSAGE, "new nbg dropped item %s\n", ic->iteminfo[bestitem->iteminfo].classname );
} //end if
iteminfo = &ic->iteminfo[bestitem->iteminfo];
botimport.Print( PRT_MESSAGE, "new nbg \"%s\"\n", iteminfo->classname );
#endif //DEBUG_AI_GOAL
return qtrue;
} //end of the function BotChooseNBGItem
static bool BotChooseNBGItem( int goalstate, const vec3_t origin, const int* inventory, int travelflags,
const bot_goal_t* ltg, float maxtime ) {
bot_goalstate_t* gs = BotGoalStateFromHandle( goalstate );
if ( !gs ) {
return false;
}
if ( !gs->itemweightconfig ) {
return false;
}
//get the area the bot is in
int areanum = BotReachabilityArea( origin, gs->client );
//if the bot is in solid or if the area the bot is in has no reachability links
if ( !areanum || !AAS_AreaReachability( areanum ) ) {
//use the last valid area the bot was in
areanum = gs->lastreachabilityarea;
}
//remember the last area with reachabilities the bot was in
gs->lastreachabilityarea = areanum;
//if still in solid
if ( !areanum ) {
return false;
}
int ltg_time;
if ( ltg ) {
ltg_time = AAS_AreaTravelTimeToGoalArea( areanum, origin, ltg->areanum, travelflags );
} else {
ltg_time = 99999;
}
//the item configuration
itemconfig_t* ic = itemconfig;
if ( !itemconfig ) {
return false;
}
//best weight and item so far
float bestweight = 0;
levelitem_t* bestitem = NULL;
//go through the items in the level
for ( levelitem_t* li = levelitems; li; li = li->next ) {
if ( GGameType & GAME_ET ) {
if ( g_singleplayer ) {
if ( li->flags & IFL_NOTSINGLE ) {
continue;
}
}
} else {
if ( g_gametype == Q3GT_SINGLE_PLAYER ) {
if ( li->flags & IFL_NOTSINGLE ) {
continue;
}
} else if ( g_gametype >= Q3GT_TEAM ) {
if ( li->flags & IFL_NOTTEAM ) {
continue;
}
} else {
if ( li->flags & IFL_NOTFREE ) {
continue;
}
}
}
if ( GGameType & GAME_Quake3 && li->flags & IFL_NOTBOT ) {
continue;
}
//if the item is in a possible goal area
if ( !li->goalareanum ) {
continue;
}
//FIXME: is this a good thing? added this for items that never spawned into the game (f.i. CTF flags in obelisk)
if ( GGameType & GAME_Quake3 && !li->entitynum && !( li->flags & IFL_ROAM ) ) {
continue;
}
//get the fuzzy weight function for this item
iteminfo_t* iteminfo = &ic->iteminfo[ li->iteminfo ];
int weightnum = gs->itemweightindex[ iteminfo->number ];
if ( weightnum < 0 ) {
continue;
}
//if this goal is in the avoid goals
if ( !( GGameType & GAME_Quake3 ) && BotAvoidGoalTime( goalstate, li->number ) > 0 ) {
continue;
}
float weight = FuzzyWeightUndecided( inventory, gs->itemweightconfig, weightnum );
//HACK: to make dropped items more attractive
if ( li->timeout ) {
weight += GGameType & GAME_Quake3 ? droppedweight->value : 1000;
}
//use weight scale for item_botroam
if ( GGameType & GAME_Quake3 && li->flags & IFL_ROAM ) {
weight *= li->weight;
}
if ( weight > 0 ) {
//get the travel time towards the goal area
int t = AAS_AreaTravelTimeToGoalArea( areanum, origin, li->goalareanum, travelflags );
//if the goal is reachable
if ( t > 0 && t < maxtime ) {
if ( GGameType & GAME_Quake3 ) {
//if this item won't respawn before we get there
float avoidtime = BotAvoidGoalTime( goalstate, li->number );
if ( avoidtime - t * 0.009 > 0 ) {
continue;
}
}
weight /= ( float )t * TRAVELTIME_SCALE;
if ( weight > bestweight ) {
t = 0;
if ( ltg && !li->timeout ) {
//get the travel time from the goal to the long term goal
t = AAS_AreaTravelTimeToGoalArea( li->goalareanum, li->goalorigin, ltg->areanum, travelflags );
}
//if the travel back is possible and doesn't take too long
if ( t <= ltg_time ) {
bestweight = weight;
bestitem = li;
}
}
}
}
}
//if no goal item found
if ( !bestitem ) {
return false;
}
//create a bot goal for this item
bot_goal_t goal;
Com_Memset( &goal, 0, sizeof ( bot_goal_t ) );
iteminfo_t* iteminfo = &ic->iteminfo[ bestitem->iteminfo ];
VectorCopy( bestitem->goalorigin, goal.origin );
VectorCopy( iteminfo->mins, goal.mins );
VectorCopy( iteminfo->maxs, goal.maxs );
goal.areanum = bestitem->goalareanum;
goal.entitynum = bestitem->entitynum;
goal.number = bestitem->number;
goal.flags = GFL_ITEM;
if ( GGameType & GAME_Quake3 ) {
if ( bestitem->timeout ) {
goal.flags |= GFL_DROPPED;
}
if ( bestitem->flags & IFL_ROAM ) {
goal.flags |= GFL_ROAM;
}
}
goal.iteminfo = bestitem->iteminfo;
float avoidtime;
if ( GGameType & GAME_Quake3 ) {
//if it's a dropped item
if ( bestitem->timeout ) {
avoidtime = AVOID_DROPPED_TIME;
} else {
avoidtime = iteminfo->respawntime;
if ( !avoidtime ) {
avoidtime = AVOID_DEFAULT_TIME;
}
if ( avoidtime < AVOID_MINIMUM_TIME ) {
avoidtime = AVOID_MINIMUM_TIME;
}
}
} else {
avoidtime = iteminfo->respawntime * 0.5;
if ( avoidtime < 10 ) {
avoidtime = AVOID_DEFAULT_TIME;
}
//if it's a dropped item
if ( bestitem->timeout ) {
avoidtime = AVOID_DROPPED_TIME_WOLF;
}
}
//add the chosen goal to the goals to avoid for a while
BotAddToAvoidGoals( gs, bestitem->number, avoidtime );
//push the goal on the stack
BotPushGoal( goalstate, &goal, sizeof ( goal ) );
return true;
}