/*
=======================================================================================================================================
BotNearestVisibleItem
=======================================================================================================================================
*/
float BotNearestVisibleItem(bot_state_t *bs, char *itemname, bot_goal_t *goal) {
int i;
char name[64];
bot_goal_t tmpgoal;
float dist, bestdist;
vec3_t dir;
bsp_trace_t trace;
bestdist = 999999;
i = -1;
do {
i = trap_BotGetLevelItemGoal(i, itemname, &tmpgoal);
trap_BotGoalName(tmpgoal.number, name, sizeof(name));
if (Q_stricmp(itemname, name) != 0) {
continue;
}
VectorSubtract(tmpgoal.origin, bs->origin, dir);
dist = VectorLength(dir);
if (dist < bestdist) {
// trace from start to end
BotAI_Trace(&trace, bs->eye, NULL, NULL, tmpgoal.origin, bs->client, CONTENTS_SOLID|CONTENTS_PLAYERCLIP);
if (trace.fraction >= 1.0) {
bestdist = dist;
memcpy(goal, &tmpgoal, sizeof(bot_goal_t));
}
}
} while (i > 0);
return bestdist;
}
/*
==================
BotValidChatPosition
==================
*/
int BotValidChatPosition( bot_state_t *bs ) {
vec3_t point, start, end, mins, maxs;
bsp_trace_t trace;
//if the bot is dead all positions are valid
if ( BotIsDead( bs ) ) {
return qtrue;
}
//must be on the ground
//if (bs->cur_ps.groundEntityNum != ENTITYNUM_NONE) return qfalse;
//do not chat if in lava or slime
VectorCopy( bs->origin, point );
point[2] -= 24;
if ( trap_PointContents( point,bs->entitynum ) & ( CONTENTS_LAVA | CONTENTS_SLIME ) ) {
return qfalse;
}
//do not chat if under water
VectorCopy( bs->origin, point );
point[2] += 32;
if ( trap_PointContents( point,bs->entitynum ) & MASK_WATER ) {
return qfalse;
}
//must be standing on the world entity
VectorCopy( bs->origin, start );
VectorCopy( bs->origin, end );
start[2] += 1;
end[2] -= 10;
trap_AAS_PresenceTypeBoundingBox( PRESENCE_CROUCH, mins, maxs );
BotAI_Trace( &trace, start, mins, maxs, end, bs->client, MASK_SOLID );
if ( trace.ent != ENTITYNUM_WORLD ) {
return qfalse;
}
//the bot is in a position where it can chat
return qtrue;
}
/*
==================
BotValidChatPosition
==================
*/
int BotValidChatPosition(bot_state_t *bs) {
vec3_t point, start, end, mins, maxs;
bsp_trace_t trace;
//if the bot is dead all positions are valid
if (BotIsDead(bs)) return qtrue;
//never start chatting with a powerup
if (bs->inventory[INVENTORY_QUAD] ||
bs->inventory[INVENTORY_ENVIRONMENTSUIT] ||
bs->inventory[INVENTORY_HASTE] ||
bs->inventory[INVENTORY_INVISIBILITY] ||
bs->inventory[INVENTORY_REGEN] ||
bs->inventory[INVENTORY_FLIGHT]) return qfalse;
//must be on the ground
//if (bs->cur_ps.groundEntityNum != ENTITYNUM_NONE) return qfalse;
//do not chat if in lava or slime
VectorCopy(bs->origin, point);
point[2] -= 24;
if (trap_PointContents(point,bs->entitynum) & (CONTENTS_LAVA|CONTENTS_SLIME)) return qfalse;
//do not chat if under water
VectorCopy(bs->origin, point);
point[2] += 32;
if (trap_PointContents(point,bs->entitynum) & MASK_WATER) return qfalse;
//must be standing on the world entity
VectorCopy(bs->origin, start);
VectorCopy(bs->origin, end);
start[2] += 1;
end[2] -= 10;
trap_AAS_PresenceTypeBoundingBox(PRESENCE_CROUCH, mins, maxs);
BotAI_Trace(&trace, start, mins, maxs, end, bs->playernum, MASK_SOLID);
if (trace.entityNum != ENTITYNUM_WORLD) return qfalse;
//the bot is in a position where it can chat
return qtrue;
}
