RectangleList *MicroTileArray::getRectangles() {
RectangleList *rects = new RectangleList();
int x, y;
int x0, y0, x1, y1;
int i = 0;
for (y = 0; y < _tilesH; ++y) {
for (x = 0; x < _tilesW; ++x) {
int finish = 0;
BoundingBox boundingBox = _tiles[i];
if (isBoundingBoxEmpty(boundingBox)) {
++i;
continue;
}
x0 = (x * TileSize) + TileX0(boundingBox);
y0 = (y * TileSize) + TileY0(boundingBox);
y1 = (y * TileSize) + TileY1(boundingBox);
if (TileX1(boundingBox) == TileSize - 1 && x != _tilesW - 1) { // check if the tile continues
while (!finish) {
++x;
++i;
if (x == _tilesW || i >= _tilesW * _tilesH ||
TileY0(_tiles[i]) != TileY0(boundingBox) ||
TileY1(_tiles[i]) != TileY1(boundingBox) ||
TileX0(_tiles[i]) != 0)
{
--x;
--i;
finish = 1;
}
}
}
x1 = (x * TileSize) + TileX1(_tiles[i]);
rects->push_back(Common::Rect(x0, y0, x1 + 1, y1 + 1));
++i;
}
}
return rects;
}
void MicroTileArray::updateBoundingBox(BoundingBox &boundingBox, byte x0, byte y0, byte x1, byte y1) {
if (!isBoundingBoxEmpty(boundingBox)) {
x0 = MIN(TileX0(boundingBox), x0);
y0 = MIN(TileY0(boundingBox), y0);
x1 = MAX(TileX1(boundingBox), x1);
y1 = MAX(TileY1(boundingBox), y1);
}
setBoundingBox(boundingBox, x0, y0, x1, y1);
}
Common::Rect * MicroTileArray::getRectangles(int *num_rects, int min_x, int min_y, int max_x, int max_y) {
Common::Rect *rects = new Common::Rect[_tilesW * _tilesH];
int n_rects = 0;
int x, y;
int x0, y0, x1, y1;
int i = 0;
for (y = 0; y < _tilesH; ++y) {
for (x = 0; x < _tilesW; ++x) {
int start;
int finish = 0;
BoundingBox boundingBox;
boundingBox = _tiles[i];
if (isBoundingBoxEmpty(boundingBox)) {
++i;
continue;
}
x0 = (x * TileSize) + TileX0(boundingBox);
y0 = (y * TileSize) + TileY0(boundingBox);
y1 = (y * TileSize) + TileY1(boundingBox);
x0 = CLIP (x0, min_x, max_x);
y0 = CLIP (y0, min_y, max_y);
y1 = CLIP (y1, min_y, max_y);
// FIXME: Why is the following code in an #if block?
#if 1
start = i;
if (TileX1(boundingBox) == TileSize - 1 && x != _tilesW - 1) { // check if the tile continues
while (!finish) {
++x;
++i;
if (x == _tilesW || i >= _tilesW * _tilesH ||
TileY0(_tiles[i]) != TileY0(boundingBox) ||
TileY1(_tiles[i]) != TileY1(boundingBox) ||
TileX0(_tiles[i]) != 0)
{
--x;
--i;
finish = 1;
}
}
}
#endif
x1 = (x * TileSize) + TileX1(_tiles[i]);
x1 = CLIP (x1, min_x, max_x);
// FIXME: Why is the following code in an #if block?
#if 1
rects[n_rects].left = x0;
rects[n_rects].top = y0;
rects[n_rects].right = x1 + 1;
rects[n_rects].bottom = y1 + 1;
n_rects++;
#else
// FIXME: Why is this code disabled?
if (glom [start] != -1 && /* try to glom */
rects [glom [start]].left == x0 &&
rects [glom [start]].right == x1 &&
rects [glom [start]].bottom == y0 - 1)
{
rects [glom [start]].bottom = y1;
if (y != tilesH - 1) {
glom [start + tilesW] = glom [start];
}
} else {
rects[n_rects].left = x0;
rects[n_rects].top = y0;
rects[n_rects].right = x1;
rects[n_rects].bottom = y1;
if (y != tilesH - 1) {
glom [start + tilesW] = n_rects;
}
n_rects ++;
}
#endif
++i;
} // for (x = 0; x < _tilesW; ++x)
} // for (y = 0; y < _tilesH; ++y)
*num_rects = n_rects;
//delete glom;
return rects;
}