/* Music update thread. Calls UpdateMusic approximately twenty times a second.
This decouples the music system from the game loop. See the text for an
explanation. */
int UpdateMusicThread(void *arg)
{
arg++; // avoid compiler warning
for (;;) {
UpdateMusic();
SDL_Delay(50);
}
return 0;
}
/* Music update thread. Calls UpdateMusic approximately twenty times a second.
This decouples the music system from the game loop. See the text for an
explanation. */
int UpdateMusicThread(void *arg)
{
/* Avoid compiler warning. */
arg += 0;
for (;;) {
UpdateMusic();
SDL_Delay(10);
}
return 0;
}
bool CRecentlyAddedJob::DoWork()
{
bool ret = true;
if (m_flag & Audio)
ret &= UpdateMusic();
if (m_flag & Video)
ret &= UpdateVideo();
if (m_flag & Totals)
ret &= UpdateTotal();
return ret;
}
bool CHomeShelfJob::DoWork()
{
bool ret = true;
if (m_flag & Audio)
ret &= UpdateMusic();
if (m_flag & Video)
ret &= UpdateVideo();
if (m_flag & Totals)
ret &= UpdateTotal();
return ret;
}
void GameplayState::AdvanceFrame(int delta_time, int* next_state) {
// Update the world.
world_->entity_manager.UpdateComponents(delta_time);
UpdateMainCamera(&main_camera_, world_);
UpdateMusic(&world_->entity_manager, &previous_lap_, &percent_, delta_time,
&music_channel_lap_1_, &music_channel_lap_2_,
&music_channel_lap_3_);
if (input_system_->GetButton(fplbase::FPLK_F9).went_down()) {
world_->draw_debug_physics = !world_->draw_debug_physics;
}
if (input_system_->GetButton(fplbase::FPLK_F8).went_down()) {
world_->skip_rendermesh_rendering = !world_->skip_rendermesh_rendering;
}
// The state machine for the world may request a state change.
*next_state = requested_state_;
// Switch into scene lab if the keyboard requests.
// Switch back to scene lab if we're single stepping.
if (scene_lab_ && (input_system_->GetButton(fplbase::FPLK_F10).went_down() ||
input_system_->GetButton(fplbase::FPLK_1).went_down() ||
world_->is_single_stepping)) {
if (!world_->is_single_stepping) {
scene_lab::GenericCamera camera;
camera.position = main_camera_.position();
camera.facing = main_camera_.facing();
camera.up = main_camera_.up();
scene_lab_->SetInitialCamera(camera);
}
*next_state = kGameStateSceneLab;
world_->is_single_stepping = false;
}
// Pause the game.
if (input_system_->GetButton(fplbase::FPLK_ESCAPE).went_down() ||
input_system_->GetButton(fplbase::FPLK_AC_BACK).went_down()) {
audio_engine_->PlaySound(sound_pause_);
*next_state = kGameStatePause;
}
fader_->AdvanceFrame(delta_time);
}
void HBlank()
{
DISABLE_INTERRUPTS();
if(f_hbla_pal)
{
f_hbla_pal = false;
VDP_SetAddr(0, VDP_CRAM_Write);
for(int i = 0; i < 64; i++)
VDP_Data(v_pal_water[i]);
VDP_RegWrite(0x0A, 223); // reset HBlank register
if(f_FFFFF64F)
{
f_FFFFF64F = false;
V_H_BlankCommon();
UpdateMusic();
}
}
}
void VBlank()
{
auto routine = v_vbla_routine;
if(routine != 0)
{
VDP_SetAddr(0, VDP_VSRAM_Write);
VDP_Data(v_scrposy_dup);
VBlankWaitPAL();
v_vbla_routine = 0;
f_hbla_pal = true;
}
switch(routine)
{
case VBlank_00:
if(v_gamemode & GameMode_Level && v_zone == Zone_LZ)
{
// VBlankWaitPAL();
f_hbla_pal = true;
STOP_Z80();
WAIT_Z80();
VBlankWriteWaterPalette();
SetHBlankRegister();
START_Z80();
}
break;
// Seeeeegaaaaaa!
case VBlank_Sega:
VBlankCommon();
// fall through
// One frame between SEGA palette cycle and SEEEGAAAA
case VBlank_SegaSwitch:
VBlankDecreaseDemoLength();
break;
// Title screen, Credits screen
case VBlank_Title:
VBlankCommon();
DrawTitleCreditsBGTiles();
PLC_Decode9Tiles();
break;
// Palette fading
case VBlank_PaletteFade:
VBlankCommon();
SetHBlankRegister();
PLC_Decode9Tiles();
break;
case VBlank_06:
VBlankCommon();
break;
case VBlank_0E:
VBlankCommon();
v_FFFFF628++;
v_vbla_routine = 0x0E;
break;
// Game paused
case VBlank_Paused:
if(v_gamemode == GameMode_Special)
goto _vblank0A;
// fall through
// Level main loop
case VBlank_Level:
VBlankCommon2();
VBlankBackupScrollVars();
if(v_hbla_line >= 96)
V_H_BlankCommon();
else
{
f_FFFFF64F = true;
v_vbla_count++;
return;
}
break;
// Waiting for level title card, special stage results screen
case VBlank_Title:
// Ending screen
case VBlank_Ending:
VBlankCommon2();
VBlankBackupScrollVars();
LoadTilesAsYouMove();
AnimateLevelGfx();
HUD_Update();
PLC_Decode9Tiles();
break;
// Special stage
case VBlank_Special:
_vblank0A:
STOP_Z80();
WAIT_Z80();
ReadJoypads();
WriteCRAM(v_pal_dry, 0x80, 0);
VBlankWriteSpriteAndScroll();
START_Z80();
PalCycle_SS();
VBlankWriteSonic();
VBlankDecreaseDemoLength();
break;
// Continue screen, special stage spin-and-fade-to-white
case VBlank_Continue:
STOP_Z80();
WAIT_Z80();
ReadJoypads();
WriteCRAM(v_pal_dry, 0x80, 0);
VBlankWriteSpriteAndScroll();
START_Z80();
VBlankWriteSonic();
VBlankDecreaseDemoLength();
break;
default: assert(false);
}
UpdateMusic();
v_vbla_count++;
}