/**
* Check for moving actor collision.
*/
PMOVER InMoverBlock(PMOVER pMover, int x, int y) {
int caX; // Calling actor's pos'n
int caL, caR; // Calling actor's left and right
int taX, taY; // Test actor's pos'n
int taL, taR; // Test actor's left and right
caX = pMover->objX;
if (pMover->hFnpath != NOPOLY || GetNoBlocking())
return NULL;
caL = GetMoverLeft(pMover) + x - caX;
caR = GetMoverRight(pMover) + x - caX;
for (int i = 0; i < MAX_MOVERS; i++) {
if (pMover == &g_Movers[i] ||
(TinselV2 && (g_Movers[i].actorObj == NULL)) ||
(!TinselV2 && !g_Movers[i].bActive))
continue;
// At around the same height?
GetMoverPosition(&g_Movers[i], &taX, &taY);
if (g_Movers[i].hFnpath != NOPOLY)
continue;
if (ABS(y - taY) > 2) // 2 was 8
continue;
// To the left?
taL = GetMoverLeft(&g_Movers[i]);
if (caR <= taL)
continue;
// To the right?
taR = GetMoverRight(&g_Movers[i]);
if (caL >= taR)
continue;
return &g_Movers[i];
}
return NULL;
}
/**
* Return the appropriate co-ordinate of the actor.
* @param ano Actor Id
*/
int GetActorLeft(int ano) {
assert(ano > 0 && ano <= NumActors); // illegal actor number
if (!TinselV2) {
// Tinsel 1 version
if (!actorInfo[ano - 1].presObj)
return 0;
return MultiLeftmost(actorInfo[ano - 1].presObj);
}
// Tinsel 2 version
PMOVER pMover = GetMover(ano);
int i;
bool bIsObj;
int left = 0;
if (pMover != NULL) {
return GetMoverLeft(pMover);
} else {
for (i = 0, bIsObj = false; i < MAX_REELS; i++) {
// If there's an object
// and it is not a blank frame for it...
if (actorInfo[ano-1].presObjs[i] && MultiHasShape(actorInfo[ano - 1].presObjs[i])) {
if (!bIsObj) {
bIsObj = true;
left = MultiLeftmost(actorInfo[ano - 1].presObjs[i]);
} else {
if (MultiLeftmost(actorInfo[ano - 1].presObjs[i]) < left)
left = MultiLeftmost(actorInfo[ano - 1].presObjs[i]);
}
}
}
return bIsObj ? left : 0;
}
}
