/**
* See if moving actor is stood within a polygon.
*/
bool MoverIsInPolygon(PMOVER pMover, HPOLYGON hp) {
assert(pMover); // Checking if null moving actor is in polygon
assert(pMover->actorObj); // Checking if null moving actor is in polygon
int aniX, aniY;
GetAniPosition(pMover->actorObj, &aniX, &aniY);
return IsInPolygon(aniX, aniY, hp);
}
/**
* Get position of a moving actor.
*/
void GetMoverPosition(PMOVER pMover, int *paniX, int *paniY) {
assert(pMover); // Getting null moving actor's position
if (pMover->actorObj != NULL)
GetAniPosition(pMover->actorObj, paniX, paniY);
else {
*paniX = 0;
*paniY = 0;
}
}
void MultiSetAniY(OBJECT *pMultiObj, int newAniY) {
int curAniX, curAniY; // objects current animation position
// validate object pointer
assert(pMultiObj >= objectList && pMultiObj <= objectList + NUM_OBJECTS - 1);
// get master objects current animation position
GetAniPosition(pMultiObj, &curAniX, &curAniY);
// calc y difference between current and new positions
curAniX = 0;
newAniY -= curAniY;
// move all pieces by the difference
MultiMoveRelXY(pMultiObj, curAniX, newAniY);
}
void MultiSetAniX(OBJECT *pMultiObj, int newAniX) {
int curAniX, curAniY; // objects current animation position
// validate object pointer
assert(isValidObject(pMultiObj));
// get master objects current animation position
GetAniPosition(pMultiObj, &curAniX, &curAniY);
// calc x difference between current and new positions
newAniX -= curAniX;
curAniY = 0;
// move all pieces by the difference
MultiMoveRelXY(pMultiObj, newAniX, curAniY);
}
