Method layWire

MicropolisCore/src/MicropolisEngine/src/connect.cpp:449–545

* Lay a wire, and update connections (rail, road, and wire) around it. * @param x X map coordinate. * @param y Y map coordinate. * @param effects Modification collecting object. * @return Tool result. */

 * @return Tool result.
 */
ToolResult Micropolis::layWire(int x, int y, ToolEffects *effects)
{
    int cost = 5;

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

    tile = neutralizeRoad(tile);

    switch (tile) {

    case DIRT:            /* Wire on Dirt */

        effects->setMapValue(x, y, LHPOWER | CONDBIT | BURNBIT | BULLBIT);

        break;

    case RIVER:           /* Wire on Water */
    case REDGE:
    case CHANNEL:         /* Check how to lay underwater wire, if possible. */

        cost = 25;

        if (x < WORLD_W - 1) {
            tile = effects->getMapValue(x + 1, y);
            if (tile & CONDBIT) {
                tile &= LOMASK;
                tile = neutralizeRoad(tile);
                if (tile != HROADPOWER && tile != RAILHPOWERV && tile != HPOWER) {
                    effects->setMapValue(x, y, VPOWER | CONDBIT | BULLBIT);
                    break;
                }
            }
        }

        if (x > 0) {
            tile = effects->getMapValue(x - 1, y);
            if (tile & CONDBIT) {
                tile &= LOMASK;
                tile = neutralizeRoad(tile);
                if (tile != HROADPOWER && tile != RAILHPOWERV && tile != HPOWER) {
                    effects->setMapValue(x, y, VPOWER | CONDBIT | BULLBIT);
                    break;
                }
            }
        }

        if (y < WORLD_H - 1) {
            tile = effects->getMapValue(x, y + 1);
            if (tile & CONDBIT) {
                tile &= LOMASK;
                tile = neutralizeRoad(tile);
                if (tile != VROADPOWER && tile != RAILVPOWERH && tile != VPOWER) {
                    effects->setMapValue(x, y, HPOWER | CONDBIT | BULLBIT);
                    break;
                }
            }
        }