static int SelectClosestHostage() {
int start=0;
while ( !hostage_is_valid( CurrentHostageIndex ) ) {
CurrentHostageIndex++;
if ( CurrentHostageIndex >= MAX_HOSTAGES ) CurrentHostageIndex = 0;
start++;
if ( start > MAX_HOSTAGES ) break;
}
if (hostage_is_valid( CurrentHostageIndex ) ) {
Cur_object_index = Hostages[CurrentHostageIndex].objnum;
} else {
CurrentHostageIndex =-1;
}
return CurrentHostageIndex;
}
void hostage_compress_all() {
int i,newslot;
for (i=0; i<MAX_HOSTAGES; i++ ) {
if ( hostage_is_valid(i) ) {
newslot = hostage_get_next_slot();
if ( newslot < i ) {
Hostages[newslot] = Hostages[i];
Objects[Hostages[newslot].objnum].id = newslot;
Hostages[i].objnum = -1;
i = 0; // start over
}
}
}
for (i=0; i<MAX_HOSTAGES; i++ ) {
if ( hostage_is_valid(i) )
;
}
}
int PlayHostageSound() {
int sound_num;
if (!hostage_is_valid( CurrentHostageIndex ) )
return 0;
sound_num = Hostage_face_clip[Hostages[CurrentHostageIndex].vclip_num].sound_num;
if ( sound_num > -1 ) {
digi_play_sample( sound_num, F1_0 );
}
return 1;
}
int SelectPrevFace()
{
int start = Hostages[CurrentHostageIndex].vclip_num;
if (!hostage_is_valid( CurrentHostageIndex ) )
return 0;
do {
Hostages[CurrentHostageIndex].vclip_num--;
if ( Hostages[CurrentHostageIndex].vclip_num < 0)
Hostages[CurrentHostageIndex].vclip_num = MAX_HOSTAGES-1;
if (Hostages[CurrentHostageIndex].vclip_num == start)
return 0;
} while (Hostage_face_clip[Hostages[CurrentHostageIndex].vclip_num].num_frames == 0);
return 1;
}
int SelectNextFace()
{
int start = Hostages[CurrentHostageIndex].vclip_num;
if (!hostage_is_valid( CurrentHostageIndex ) )
return 0;
do {
Hostages[CurrentHostageIndex].vclip_num++;
if ( Hostages[CurrentHostageIndex].vclip_num >= MAX_HOSTAGES)
Hostages[CurrentHostageIndex].vclip_num = 0;
if (Hostages[CurrentHostageIndex].vclip_num == start)
return 0;
} while (Hostage_face_clip[Hostages[CurrentHostageIndex].vclip_num].num_frames == 0);
return 1;
}
int hostage_object_is_valid( int objnum ) {
if ( objnum < 0 ) return 0;
if ( objnum > Highest_object_index ) return 0;
if ( Objects[objnum].type != OBJ_HOSTAGE ) return 0;
return hostage_is_valid(Objects[objnum].id);
}
