Method Briefing_Helicopter_Check

Source/Fodder.cpp:4015–4062

float mBriefingHelicopter_TransitionCounter = 0;

void cFodder::Briefing_Helicopter_Check() {
    Music_Increase_Channel_Volume();

    const float fadeDurationSeconds = 0.64f; // original 16 steps @ 50Hz every 2nd frame
    const int targetSteps = static_cast<int>(16.0f / mBriefingHelicopter_TimeScale);

    mBriefingHelicopter_TransitionCounter += mBriefingHelicopter_TimeScale;

    if (!mMouse_Exit_Loop || !mPhase_Aborted) {

        if (mBriefingHelicopter_ScreenX > 0x30) {

            if (mBriefingHelicopter_TransitionCounter >= 2.0f) {
                mBriefingHelicopter_TransitionCounter = 0.0f;

                if (mBriefingHelicopter_Moving < targetSteps) {
                    mBriefingHelicopter_Moving++;
                    mPaletteLevel++;
                    return;
                }
            }

            if (mBriefingHelicopter_Moving >= targetSteps) {
                Briefing_Update_Helicopter();
            }
            return;
        }
    }

    if (mBriefingHelicopter_TransitionCounter >= 2.0f) {
        mBriefingHelicopter_TransitionCounter = 0.0f;

        if (mBriefingHelicopter_Moving == 0 && mBriefingHelicopter_NotDone) {
            mBriefingHelicopter_NotDone = 0;
            mGraphics->mImageMissionIntro.CopyPalette(mGraphics->mPalette, 0x100, 0);
        }
        else {
            if (mBriefingHelicopter_Moving > 0 || mPaletteLevel > 0) {
                mBriefingHelicopter_Moving--;
                mPaletteLevel--;
                mSurface->paletteNew_SetToBlack();
            }

        }
    }

    Briefing_Update_Helicopter();
}