Method SimulateLandscape

engine/Poseidon/World/WorldSetup.cpp:1206–1283

}

void World::SimulateLandscape(float deltaT)
{
    LightSun* sun = _scene.MainLight();
    float timeD = deltaT * OneSecond;
    auto& input = InputSubsystem::Instance();

    if (!IsSimulationEnabled())
    {
        timeD = 0;
    }
#if _ENABLE_CHEATS
    {
        timeD += deltaT * OneHour * input.GetCheat1(SDL_SCANCODE_T);
        timeD -= deltaT * OneHour * input.GetCheat1(SDL_SCANCODE_Y);
    }
    if (input.GetCheat1ToDo(SDL_SCANCODE_G))
        timeD += OneDay;
    if (input.GetCheat1ToDo(SDL_SCANCODE_H))
        timeD -= OneDay;
#endif

    timeD += _timeToSkip;
    _timeToSkip = 0;
    //
    if (Glob.clock.AdvanceTime(timeD))
    {
        sun->Recalculate(this);
    }
    float scaledTime = timeD * (1 / OneSecond);
    GLOB_LAND->Simulate(scaledTime);
    _scene.MainLightChanged();

#if _ENABLE_CHEATS
    if (_mode != GModeNetware)
    {
        if (input.GetCheat1ToDo(SDL_SCANCODE_MINUS))
        {
            GLandscape->ResampleTerrain(+1);
            Foundation::GlobalShowMessage(1000, "Terrain subdivision %d", TerrainRangeLog - LandRangeLog);
        }
        if (input.GetCheat1ToDo(SDL_SCANCODE_EQUALS))
        {
            GLandscape->SubdivideTerrain(+1);
            Foundation::GlobalShowMessage(1000, "Terrain subdivision %d", TerrainRangeLog - LandRangeLog);
        }
    }
#endif

    if (scaledTime > 0)
    {
        saturate(_wantedOvercast, 0, 1);
        saturate(_wantedFog, 0, 1);
        float diffOvercast = _wantedOvercast - _actualOvercast;
        float diffFog = _wantedFog - _actualFog;
        saturate(diffOvercast, -_speedOvercast * scaledTime, +_speedOvercast * scaledTime);
        saturate(diffFog, -_speedFog * scaledTime, +_speedFog * scaledTime);
        _actualOvercast += diffOvercast;
        _actualFog += diffFog;