OpenRCT2/src/openrct2/scenes/intro/IntroScene.cpp

327 lines
11 KiB
C++

/*****************************************************************************
* Copyright (c) 2014-2024 OpenRCT2 developers
*
* For a complete list of all authors, please refer to contributors.md
* Interested in contributing? Visit https://github.com/OpenRCT2/OpenRCT2
*
* OpenRCT2 is licensed under the GNU General Public License version 3.
*****************************************************************************/
#include "IntroScene.h"
#include "../../Context.h"
#include "../../audio/AudioChannel.h"
#include "../../audio/AudioMixer.h"
#include "../../audio/audio.h"
#include "../../drawing/Drawing.h"
#include "../../sprites.h"
#include <memory>
using OpenRCT2::Audio::SoundId;
namespace OpenRCT2
{
static constexpr PaletteIndex kBackgroundColourDark = PALETTE_INDEX_10;
static constexpr PaletteIndex kBackgroundColourLogo = PALETTE_INDEX_245;
static constexpr PaletteIndex kBorderColourPublisher = PALETTE_INDEX_129;
constexpr int32_t PALETTE_G1_IDX_DEVELOPER = 23217;
constexpr int32_t PALETTE_G1_IDX_LOGO = 23224;
static IntroState _introState;
// Used mainly for timing but also for Y coordinate and fading.
static int32_t _introStateCounter;
static std::shared_ptr<Audio::IAudioChannel> _soundChannel = nullptr;
static bool _chainLiftFinished;
bool IntroIsPlaying()
{
return _introState != IntroState::None;
}
void IntroScene::Load()
{
_introState = IntroState::PublisherBegin;
}
void IntroScene::Stop()
{
_introState = IntroState::None;
LoadPalette();
}
static void ScreenIntroProcessMouseInput();
static void ScreenIntroProcessKeyboardInput();
static void ScreenIntroSkipPart();
static void ScreenIntroDrawLogo(DrawPixelInfo& dpi);
// rct2: 0x0068E966
void IntroScene::Tick()
{
ScreenIntroProcessMouseInput();
ScreenIntroProcessKeyboardInput();
switch (_introState)
{
case IntroState::Disclaimer1:
case IntroState::Disclaimer2:
// Originally used for the disclaimer text
_introState = IntroState::PublisherBegin;
[[fallthrough]];
case IntroState::PublisherBegin:
LoadPalette();
// Set the Y for the Infogrames logo
_introStateCounter = -580;
// Play the chain lift sound
_soundChannel = Audio::CreateAudioChannel(SoundId::LiftBM, true);
_chainLiftFinished = false;
_introState = IntroState::PublisherScroll;
break;
case IntroState::PublisherScroll:
// Move the Infogrames logo down
_introStateCounter += 5;
// Check if logo is off the screen...ish
if (_introStateCounter > ContextGetHeight() - 120)
{
_introStateCounter = -116;
_introState = IntroState::DeveloperBegin;
}
break;
case IntroState::DeveloperBegin:
// Set the Y for the Chris Sawyer logo
_introStateCounter = -116;
_introState = IntroState::DeveloperScroll;
break;
case IntroState::DeveloperScroll:
_introStateCounter += 5;
// Check if logo is almost scrolled to the bottom
if (!_chainLiftFinished && _introStateCounter >= ContextGetHeight() + 40 - 421)
{
_chainLiftFinished = true;
// Stop the chain lift sound
if (_soundChannel != nullptr)
{
_soundChannel->Stop();
_soundChannel = nullptr;
}
// Play the track friction sound
_soundChannel = Audio::CreateAudioChannel(
SoundId::TrackFrictionBM, true, Audio::kMixerVolumeMax, 0.25f, 0.75);
}
// Check if logo is off the screen...ish
if (_introStateCounter >= ContextGetHeight() + 40)
{
// Stop the track friction sound
if (_soundChannel != nullptr)
{
_soundChannel->Stop();
_soundChannel = nullptr;
}
// Play long peep scream sound
_soundChannel = Audio::CreateAudioChannel(SoundId::Scream1);
_introState = IntroState::LogoFadeIn;
_introStateCounter = 0;
}
break;
case IntroState::LogoFadeIn:
// Fade in, add 4 / 256 to fading
_introStateCounter += 0x400;
if (_introStateCounter > 0xFF00)
{
_introState = IntroState::LogoWait;
_introStateCounter = 0;
}
break;
case IntroState::LogoWait:
// Wait 80 game ticks
_introStateCounter++;
if (_introStateCounter >= 80)
{
// Set fading to 256
_introStateCounter = 0xFF00;
_introState = IntroState::LogoFadeOut;
}
break;
case IntroState::LogoFadeOut:
// Fade out, subtract 4 / 256 from fading
_introStateCounter -= 0x400;
if (_introStateCounter < 0)
{
_introState = IntroState::Clear;
}
break;
case IntroState::Clear:
// Stop any playing sound
if (_soundChannel != nullptr)
{
_soundChannel->Stop();
_soundChannel = nullptr;
}
// Move to next part
_introState = IntroState::Finish;
_introStateCounter = 0;
break;
case IntroState::Finish:
{
auto& context = GetContext();
context.SetActiveScene(context.GetTitleScene());
}
default:
break;
}
}
void IntroDraw(DrawPixelInfo& dpi)
{
int32_t screenWidth = ContextGetWidth();
switch (_introState)
{
case IntroState::Disclaimer1:
case IntroState::Disclaimer2:
break;
case IntroState::PublisherBegin:
GfxClear(dpi, kBackgroundColourDark);
break;
case IntroState::PublisherScroll:
GfxClear(dpi, kBackgroundColourDark);
// Draw a white rectangle for the logo background (gives a bit of white margin)
GfxFillRect(
dpi,
{ { (screenWidth / 2) - 320 + 50, _introStateCounter + 50 },
{ (screenWidth / 2) - 320 + 50 + 540, _introStateCounter + 50 + 425 } },
kBorderColourPublisher);
// Draw Infogrames logo
GfxDrawSprite(dpi, ImageId(SPR_INTRO_INFOGRAMES_00), { (screenWidth / 2) - 320 + 69, _introStateCounter + 69 });
GfxDrawSprite(
dpi, ImageId(SPR_INTRO_INFOGRAMES_10), { (screenWidth / 2) - 320 + 319, _introStateCounter + 69 });
GfxDrawSprite(
dpi, ImageId(SPR_INTRO_INFOGRAMES_01), { (screenWidth / 2) - 320 + 69, _introStateCounter + 319 });
GfxDrawSprite(
dpi, ImageId(SPR_INTRO_INFOGRAMES_11), { (screenWidth / 2) - 320 + 319, _introStateCounter + 319 });
break;
case IntroState::DeveloperBegin:
GfxClear(dpi, kBackgroundColourDark);
GfxTransposePalette(PALETTE_G1_IDX_DEVELOPER, 255);
break;
case IntroState::DeveloperScroll:
GfxClear(dpi, kBackgroundColourDark);
// Draw Chris Sawyer logo
GfxDrawSprite(dpi, ImageId(SPR_INTRO_CHRIS_SAWYER_00), { (screenWidth / 2) - 320 + 70, _introStateCounter });
GfxDrawSprite(dpi, ImageId(SPR_INTRO_CHRIS_SAWYER_10), { (screenWidth / 2) - 320 + 320, _introStateCounter });
break;
case IntroState::LogoFadeIn:
if (_introStateCounter <= 0xFF00)
{
GfxTransposePalette(PALETTE_G1_IDX_LOGO, (_introStateCounter >> 8) & 0xFF);
}
else
{
GfxTransposePalette(PALETTE_G1_IDX_LOGO, 255);
}
ScreenIntroDrawLogo(dpi);
break;
case IntroState::LogoWait:
ScreenIntroDrawLogo(dpi);
break;
case IntroState::LogoFadeOut:
if (_introStateCounter >= 0)
{
GfxTransposePalette(PALETTE_G1_IDX_LOGO, (_introStateCounter >> 8) & 0xFF);
}
else
{
GfxTransposePalette(PALETTE_G1_IDX_LOGO, 0);
}
ScreenIntroDrawLogo(dpi);
break;
case IntroState::Clear:
GfxClear(dpi, kBackgroundColourDark);
break;
default:
break;
}
}
static void ScreenIntroProcessMouseInput()
{
if (ContextGetCursorState()->any == CURSOR_PRESSED)
{
ScreenIntroSkipPart();
}
}
/**
*
* rct2: 0x006E3AEC
*/
static void ScreenIntroProcessKeyboardInput()
{
const uint8_t* keys = ContextGetKeysState();
for (int i = 0; i < 256; i++)
{
if (keys[i] != 0)
{
ScreenIntroSkipPart();
break;
}
}
}
static void ScreenIntroSkipPart()
{
switch (_introState)
{
case IntroState::None:
break;
case IntroState::Disclaimer2:
_introState = IntroState::PublisherBegin;
break;
default:
_introState = IntroState::Clear;
break;
}
}
static void ScreenIntroDrawLogo(DrawPixelInfo& dpi)
{
int32_t screenWidth = ContextGetWidth();
int32_t imageWidth = 640;
int32_t imageX = (screenWidth - imageWidth) / 2;
DrawingEngineInvalidateImage(SPR_INTRO_LOGO_00);
DrawingEngineInvalidateImage(SPR_INTRO_LOGO_10);
DrawingEngineInvalidateImage(SPR_INTRO_LOGO_20);
DrawingEngineInvalidateImage(SPR_INTRO_LOGO_01);
DrawingEngineInvalidateImage(SPR_INTRO_LOGO_11);
DrawingEngineInvalidateImage(SPR_INTRO_LOGO_21);
GfxClear(dpi, kBackgroundColourLogo);
GfxDrawSprite(dpi, ImageId(SPR_INTRO_LOGO_00), { imageX + 0, 0 });
GfxDrawSprite(dpi, ImageId(SPR_INTRO_LOGO_10), { imageX + 220, 0 });
GfxDrawSprite(dpi, ImageId(SPR_INTRO_LOGO_20), { imageX + 440, 0 });
GfxDrawSprite(dpi, ImageId(SPR_INTRO_LOGO_01), { imageX + 0, 240 });
GfxDrawSprite(dpi, ImageId(SPR_INTRO_LOGO_11), { imageX + 220, 240 });
GfxDrawSprite(dpi, ImageId(SPR_INTRO_LOGO_21), { imageX + 440, 240 });
}
} // namespace OpenRCT2