Method doPowerScan

MicropolisCore/src/MicropolisEngine/src/power.cpp:115–156

* Scan the map for powered tiles, and copy them to the Micropolis::powerGridMap * array. * Also warns the user about using too much power ('buy another power plant'). */

 * Also warns the user about using too much power ('buy another power plant').
 */
void Micropolis::doPowerScan()
{
    Direction2 anyDir,dir;
    int conNum;

    // Clear power map.
    powerGridMap.clear();

    // Power that the combined coal and nuclear power plants can deliver.
    Quad maxPower = coalPowerPop * COAL_POWER_STRENGTH +
                    nuclearPowerPop * NUCLEAR_POWER_STRENGTH;

    Quad numPower = 0; // Amount of power used.

    while (powerStackPointer > 0) {
        Position pos = pullPowerStack();
        anyDir = DIR2_INVALID;
        do {
            numPower++;
            if (numPower > maxPower) {
                sendMessage(MESSAGE_NOT_ENOUGH_POWER);
                return;
            }
            if (anyDir != DIR2_INVALID) {
                pos.move(anyDir);
            }
            powerGridMap.worldSet(pos.posX, pos.posY, 1);
            conNum = 0;
            dir = DIR2_BEGIN;
            while (dir < DIR2_END && conNum < 2) {
                if (testForConductive(pos, dir)) {
                    conNum++;
                    anyDir = dir;
                }
                dir = increment90(dir);
            }
            if (conNum > 1) {
                pushPowerStack(pos);
            }
        } while (conNum);
    }
}


/**