Method connectTile

MicropolisCore/src/MicropolisEngine/src/connect.cpp:122–201

* Perform the command, and fix wire/road/rail/zone connections around it. * Store modification in the \a effects object. * @param x X world position to perform the command. * @param y Y world position to perform the command. * @param cmd Command to perform. * @param effects Modification collecting object. * @return Tool result. */

 * @return Tool result.
 */
ToolResult Micropolis::connectTile(short x, short y,
                                   ConnectTileCommand cmd, ToolEffects *effects)
{
    ToolResult result = TOOLRESULT_OK;

    // Make sure the array subscripts are in bounds.
    if (!testBounds(x, y)) {
        return TOOLRESULT_FAILED;
    }

    // Perform auto-doze if appropriate.
    switch (cmd) {

        case CONNECT_TILE_ROAD:
        case CONNECT_TILE_RAILROAD:
        case CONNECT_TILE_WIRE:

            // Silently skip auto-bulldoze if no money.
            if (autoBulldoze) {

                MapValue mapVal = effects->getMapValue(x, y);

                if (mapVal & BULLBIT) {
                    mapVal &= LOMASK;
                    mapVal = neutralizeRoad(mapVal);

                    /* Maybe this should check BULLBIT instead of checking tile values? */
                    if ((mapVal >= TINYEXP && mapVal <= LASTTINYEXP) ||
                            (mapVal < HBRIDGE && mapVal != DIRT)) {

                        effects->addCost(1);

                        effects->setMapValue(x, y, DIRT);

                    }
                }
            }
            break;

        default:
            // Do nothing.
            break;

    }

    // Perform the command.
    switch (cmd) {

    case CONNECT_TILE_FIX: // Fix zone.
        fixZone(x, y, effects);
        break;

    case CONNECT_TILE_BULLDOZE: // Bulldoze zone.
        result = layDoze(x, y, effects);
        fixZone(x, y, effects);
        break;

    case CONNECT_TILE_ROAD: // Lay road.