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vcmi/client/mainmenu/CPrologEpilogVideo.cpp
2024-05-18 19:58:51 +02:00

85 lines
3.0 KiB
C++

/*
* CPrologEpilogVideo.cpp, part of VCMI engine
*
* Authors: listed in file AUTHORS in main folder
*
* License: GNU General Public License v2.0 or later
* Full text of license available in license.txt file, in main folder
*
*/
#include "StdInc.h"
#include "CPrologEpilogVideo.h"
#include "../CGameInfo.h"
#include "../CMusicHandler.h"
#include "../CVideoHandler.h"
#include "../gui/WindowHandler.h"
#include "../gui/CGuiHandler.h"
#include "../gui/FramerateManager.h"
#include "../widgets/TextControls.h"
#include "../widgets/Images.h"
#include "../render/Canvas.h"
CPrologEpilogVideo::CPrologEpilogVideo(CampaignScenarioPrologEpilog _spe, std::function<void()> callback)
: CWindowObject(BORDERED), spe(_spe), positionCounter(0), voiceSoundHandle(-1), videoSoundHandle(-1), exitCb(callback), elapsedTimeMilliseconds(0)
{
OBJ_CONSTRUCTION_CAPTURING_ALL_NO_DISPOSE;
addUsedEvents(LCLICK | TIME);
pos = center(Rect(0, 0, 800, 600));
backgroundAroundMenu = std::make_shared<CFilledTexture>(ImagePath::builtin("DIBOXBCK"), Rect(-pos.x, -pos.y, GH.screenDimensions().x, GH.screenDimensions().y));
auto audioData = CCS->videoh->getAudio(spe.prologVideo);
videoSoundHandle = CCS->soundh->playSound(audioData, -1);
CCS->videoh->open(spe.prologVideo);
CCS->musich->playMusic(spe.prologMusic, true, true);
voiceDurationMilliseconds = CCS->soundh->getSoundDurationMilliseconds(spe.prologVoice);
voiceSoundHandle = CCS->soundh->playSound(spe.prologVoice);
auto onVoiceStop = [this]()
{
voiceStopped = true;
elapsedTimeMilliseconds = 0;
};
CCS->soundh->setCallback(voiceSoundHandle, onVoiceStop);
text = std::make_shared<CMultiLineLabel>(Rect(100, 500, 600, 100), EFonts::FONT_BIG, ETextAlignment::CENTER, Colors::METALLIC_GOLD, spe.prologText.toString());
text->scrollTextTo(-50); // beginning of text in the vertical middle of black area
}
void CPrologEpilogVideo::tick(uint32_t msPassed)
{
elapsedTimeMilliseconds += msPassed;
const uint32_t speed = (voiceDurationMilliseconds == 0) ? 150 : (voiceDurationMilliseconds / (text->textSize.y));
if(elapsedTimeMilliseconds > speed && text->textSize.y - 50 > positionCounter)
{
text->scrollTextBy(1);
elapsedTimeMilliseconds -= speed;
++positionCounter;
}
else if(elapsedTimeMilliseconds > (voiceDurationMilliseconds == 0 ? 8000 : 3000) && voiceStopped) // pause after completed scrolling (longer for intros missing voice)
clickPressed(GH.getCursorPosition());
}
void CPrologEpilogVideo::show(Canvas & to)
{
to.drawColor(pos, Colors::BLACK);
//some videos are 800x600 in size while some are 800x400
CCS->videoh->update(pos.x, pos.y + (CCS->videoh->size().y == 400 ? 100 : 0), to.getInternalSurface(), true, false);
text->showAll(to); // blit text over video, if needed
}
void CPrologEpilogVideo::clickPressed(const Point & cursorPosition)
{
close();
CCS->soundh->resetCallback(voiceSoundHandle); // reset callback to avoid memory corruption since 'this' will be destroyed
CCS->soundh->stopSound(voiceSoundHandle);
CCS->soundh->stopSound(videoSoundHandle);
if(exitCb)
exitCb();
}