void prevent_spawning_collision(object *new_obj)
{
int collided;
ship_obj *moveup;
object *hit_check;
ship *s_check;
do {
collided = 0;
for (moveup = GET_FIRST(&Ship_obj_list); moveup != END_OF_LIST(&Ship_obj_list); moveup = GET_NEXT(moveup))
{
// don't check the new object itself!!
if (moveup->objnum == OBJ_INDEX(new_obj))
continue;
hit_check = &Objects[moveup->objnum];
Assert(hit_check->type == OBJ_SHIP);
Assert(hit_check->instance >= 0);
if ((hit_check->type != OBJ_SHIP) || (hit_check->instance < 0))
continue;
s_check = &Ships[hit_check->instance];
// just to make sure we don't get any strange magnitude errors
if (vm_vec_same(&hit_check->pos, &new_obj->pos))
new_obj->pos.xyz.x += 1.0f;
polymodel *pm = model_get(Ship_info[s_check->ship_info_index].model_num);
WITHIN_BBOX();
if (collided)
{
MOVE_AWAY_BBOX();
break;
}
}
} while (collided);
}
void multi_respawn_place(object *new_obj, int team)
{
ship_obj *moveup;
ship *s_check;
ship *pri = NULL;
object *pri_obj = NULL;
object *hit_check;
int collided, idx, lookup;
// first determine if there are any appropriate priority ships to use
pri = NULL;
pri_obj = NULL;
for(idx=0; idx<Multi_respawn_priority_count; idx++){
// all relevant ships
if((Multi_respawn_priority_ships[idx].team == team) || !(Netgame.type_flags & NG_TYPE_TEAM)){
lookup = ship_name_lookup(Multi_respawn_priority_ships[idx].ship_name);
if( (lookup >= 0) && ((pri == NULL) || (Ships[lookup].respawn_priority > pri->respawn_priority)) && (Ships[lookup].objnum >= 0) && (Ships[lookup].objnum < MAX_OBJECTS)){
pri = &Ships[lookup];
pri_obj = &Objects[Ships[lookup].objnum];
}
}
}
// if we have a relevant respawn ship
if((pri != NULL) && (pri_obj != NULL)){
// pick a point just outside his bounding box
polymodel *pm = model_get(pri->modelnum);
// hmm, ugly. Pick a point 2000 meters to the y direction
if(pm == NULL){
vm_vec_scale_add(&new_obj->pos, &pri_obj->pos, &pri_obj->orient.v.rvec, 2000.0f);
} else {
// pick a random direction
int d = (int)frand_range(0.0f, 5.9f);
switch(d){
case 0:
vm_vec_scale_add(&new_obj->pos, &pri_obj->pos, &pri_obj->orient.v.rvec, (pm->maxs.xyz.x - pm->mins.xyz.x));
break;
case 1:
vm_vec_scale_add(&new_obj->pos, &pri_obj->pos, &pri_obj->orient.v.rvec, -(pm->maxs.xyz.x - pm->mins.xyz.x));
break;
case 2:
vm_vec_scale_add(&new_obj->pos, &pri_obj->pos, &pri_obj->orient.v.uvec, (pm->maxs.xyz.y - pm->mins.xyz.y));
break;
case 3:
vm_vec_scale_add(&new_obj->pos, &pri_obj->pos, &pri_obj->orient.v.uvec, -(pm->maxs.xyz.y - pm->mins.xyz.y));
break;
case 4:
vm_vec_scale_add(&new_obj->pos, &pri_obj->pos, &pri_obj->orient.v.fvec, (pm->maxs.xyz.z - pm->mins.xyz.z));
break;
case 5:
vm_vec_scale_add(&new_obj->pos, &pri_obj->pos, &pri_obj->orient.v.fvec, -(pm->maxs.xyz.z - pm->mins.xyz.z));
break;
default:
vm_vec_scale_add(&new_obj->pos, &pri_obj->pos, &pri_obj->orient.v.uvec, -(pm->maxs.xyz.y - pm->mins.xyz.y));
break;
}
}
}
// otherwise, resort to plain respawn points
else {
Assert(Multi_respawn_point_count > 0);
// get the next appropriate respawn point by team
lookup = 0;
int count = 0;
while(!lookup && (count < 13)){
if((team == TEAM_TRAITOR) || (team == Multi_respawn_points[Multi_next_respawn_point].team)){
lookup = 1;
}
// next item
if(!lookup){
if(Multi_next_respawn_point >= (Multi_respawn_point_count-1)){
Multi_next_respawn_point = 0;
} else {
Multi_next_respawn_point++;
}
}
count++;
}
// set respawn info
new_obj->pos = Multi_respawn_points[Multi_next_respawn_point].pos;
}
// now make sure we're not colliding with anyone
do {
collided = 0;
moveup = GET_FIRST(&Ship_obj_list);
while(moveup!=END_OF_LIST(&Ship_obj_list)){
// don't check the new_obj itself!!
if(Objects[moveup->objnum].net_signature != new_obj->net_signature){
hit_check = &Objects[moveup->objnum];
Assert(hit_check->type == OBJ_SHIP);
Assert(hit_check->instance >= 0);
if((hit_check->type != OBJ_SHIP) || (hit_check->instance < 0)){
continue;
}
s_check = &Ships[hit_check->instance];
// just to make sure we don't get any strange magnitude errors
if(vm_vec_same(&hit_check->pos, &new_obj->pos)){
new_obj->pos.xyz.x += 1.0f;
}
WITHIN_BBOX();
if(collided){
MOVE_AWAY_BBOX();
break;
}
collided = 0;
}
moveup = GET_NEXT(moveup);
}
} while(collided);
}
