Method fixSingle

MicropolisCore/src/MicropolisEngine/src/connect.cpp:582–731

* Modify road, rails, and wire connections at a given tile. * @param x X map coordinate. * @param y Y map coordinate. * @param effects Modification collecting object. */

 * @param effects Modification collecting object.
 */
void Micropolis::fixSingle(int x, int y, ToolEffects *effects)
{
    unsigned short adjTile = 0;

    MapTile tile = effects->getMapTile(x, y);

    tile = neutralizeRoad(tile);

    if (tile >= ROADS && tile <= INTERSECTION) {           /* Cleanup Road */

        if (y > 0) {
            tile = effects->getMapTile(x, y - 1);
            tile = neutralizeRoad(tile);
            if ((tile == HRAILROAD || (tile >= ROADBASE && tile <= VROADPOWER))
                                && tile != HROADPOWER && tile != VRAILROAD
                                && tile != ROADBASE) {
                adjTile |= 0x0001;
            }
        }

        if (x < WORLD_W - 1) {
            tile = effects->getMapTile(x + 1, y);
            tile = neutralizeRoad(tile);
            if ((tile == VRAILROAD || (tile >= ROADBASE && tile <= VROADPOWER))
                                && tile != VROADPOWER && tile != HRAILROAD
                                && tile != VBRIDGE) {
                adjTile |= 0x0002;
            }
        }

        if (y < WORLD_H - 1) {
            tile = effects->getMapTile(x, y + 1);
            tile = neutralizeRoad(tile);
            if ((tile == HRAILROAD || (tile >= ROADBASE && tile <= VROADPOWER))
                                && tile != HROADPOWER && tile != VRAILROAD
                                && tile != ROADBASE) {
                adjTile |= 0x0004;
            }
        }

        if (x > 0) {
            tile = effects->getMapTile(x - 1, y);
            tile = neutralizeRoad(tile);
            if ((tile == VRAILROAD || (tile >= ROADBASE && tile <= VROADPOWER))
                                && tile != VROADPOWER && tile != HRAILROAD
                                && tile != VBRIDGE) {
                adjTile |= 0x0008;
            }
        }

        effects->setMapValue(x, y, RoadTable[adjTile] | BULLBIT | BURNBIT);
        return;
    }

    if (tile >= LHRAIL && tile <= LVRAIL10) {         /* Cleanup Rail */

        if (y > 0) {
            tile = effects->getMapTile(x, y - 1);