int Booster::launchProcess()
{
setEnvironmentBeforeLaunch();
// Load the application and find out the address of main()
loadMain();
// make booster specific initializations unless booster is in boot mode
if (!m_bootMode)
preinit();
// make booster specific initializations unless booster is in boot mode
if (!m_bootMode)
preinit();
#ifdef WITH_COVERAGE
__gcov_flush();
#endif
// Close syslog
closelog();
// Jump to main()
const int retVal = m_appData->entry()(m_appData->argc(), const_cast<char **>(m_appData->argv()));
#ifdef WITH_COVERAGE
__gcov_flush();
#endif
return retVal;
}
// 主函数
int main( int argc, char* argv[] ) {
int i, ms_x = -1024, ms_y = -1024, exitflag = 0;
int fps = 60;
double dtime;
int mode = preinit( argc, argv ); // 记录初始化模式
if ( mode < 0 ) return 0;
randomize(); // 初始化随机种子
initgraph( -1, -1 ); // 打开图形窗口，以全屏模式
showmouse( mode );
sc_width = getwidth();
sc_heigh = getheight();
// 初始化所有星星
for ( i = 0; i < g_max; i++ ) {
InitStar( i );
star[i].x = randomf();
}
// 绘制星空，按任意键或移动鼠标退出
setfont( 12, 6, "宋体" );
setrendermode( RENDER_MANUAL );
dtime = fclock();
while ( kbmsg() ) getkey();
for ( ; !exitflag && is_run() && kbmsg() == 0; delay_fps( fps ) ) { //每秒画120帧，kbhit(1)是获取键盘任意键的消息，详见pdf
// 如果有鼠标消息
while ( mousemsg() ) {
mouse_msg msg = getmouse();
if ( ms_x <= -1024 ) {
ms_x = msg.x;
ms_y = msg.y;
}
// 处理鼠标，移动超出范围就退出
if ( mode == 0 ) { // 仅全屏模式才处理鼠标
int x = msg.x, y = msg.y;
x -= ms_x;
y -= ms_y;
if ( x * x + y * y > 400 ) exitflag = 1;
}
}
// 显示星星
double dt = 1.0 / fps; //fclock() - dtime;
dtime += dt;
for ( int i = 0; i < g_max; i++ ) {
MoveStar( i, dt );
}
// 显示FPS
{
char str[60];
sprintf( str, "%8.2f FPS", getfps());
outtextxy( 0, 0, str ); //显示fps
}
}
closegraph(); // 关闭图形窗口
return 0;
}
void ParticlesControl::init(Vertices* vertices, GLuint particlePosTexID[]) {
/// Common initialization.
preinit(vertices, passthrough_vshader, particles_control_fshader, NULL, "vertexPosition2D");
/// The Sampler uniforms always refer to texture indices 0 and 1.
/// The binding to textures 0 and 1 are however flipped every frame.
GLuint uniformID = glGetUniformLocation(_programID, "particlePosTex");
glUniform1i( uniformID, 0);
uniformID = glGetUniformLocation(_programID, "particleVelTex");
glUniform1i( uniformID, 1);
/// Generate the two position and velocity textures (last and current).
glGenTextures(4, _particleTexID);
particlePosTexID[0] = _particleTexID[0];
particlePosTexID[1] = _particleTexID[1];
/// Position and velocity : three components, unclamped 32 bits float.
/// Filtering technique has to be set, even that texels are fetch
/// individually by fetchTexel() which bypass any filtering.
/// Attach the textures to the corresponding FBO color attachments.
glGenFramebuffers(1, &_framebufferID);
glBindFramebuffer(GL_FRAMEBUFFER, _framebufferID);
for(int k=0; k<4; ++k) {
glBindTexture(GL_TEXTURE_1D, _particleTexID[k]);
glTexImage1D(GL_TEXTURE_1D, 0, GL_RGB32F, _width, 0, GL_RGB, GL_FLOAT, 0);
glTexParameteri(GL_TEXTURE_1D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_1D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
glFramebufferTexture(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0 + k, _particleTexID[k], 0);
}
/// Initial particles position and velocity.
/// Particles can be in x=[-1,1], y=[-1,1], z=[0,5].
/// While g++ does, VC++ does not support particlesPos[3*nParticles] as
/// nParticles isn't a compile-time constant. Allocate dynamically on the heap.
const unsigned int nParticles = _nParticlesSide*_nParticlesSide*_nParticlesSide;
float *particlesPos = new float[3*nParticles];
float *particlesVel = new float[3*nParticles];
for(int k=0; k<nParticles; ++k) {
particlesPos[3*k+0] = 2.0f * float(k % (_nParticlesSide*_nParticlesSide) % _nParticlesSide) / float(_nParticlesSide) - 1.0f; // x
particlesPos[3*k+1] = 2.0f * float(k % (_nParticlesSide*_nParticlesSide) / _nParticlesSide) / float(_nParticlesSide) - 1.0f; // y
particlesPos[3*k+2] = 2.0f * float(k / (_nParticlesSide*_nParticlesSide) ) / float(_nParticlesSide) + 6.2f; // z
particlesVel[3*k+0] = 0.0f; // x
particlesVel[3*k+1] = 0.0f; // y
particlesVel[3*k+2] = 0.1f * float(k / (_nParticlesSide*_nParticlesSide) ) / float(_nParticlesSide) + 0.0f; // z
}
glBindTexture(GL_TEXTURE_1D, _particleTexID[0]);
glTexImage1D(GL_TEXTURE_1D, 0, GL_RGB32F, _width, 0, GL_RGB, GL_FLOAT, particlesPos);
glBindTexture(GL_TEXTURE_1D, _particleTexID[2]);
glTexImage1D(GL_TEXTURE_1D, 0, GL_RGB32F, _width, 0, GL_RGB, GL_FLOAT, particlesVel);
delete[] particlesPos, particlesVel;
/// Set uniform IDs.
_deltaTID = glGetUniformLocation(_programID, "deltaT");
}
void load_init(int argc,char **argv) {
uintptr_t addr;
if(lookup_byName(NULL,"__libc_preinit",&addr)) {
fPreinit preinit = (fPreinit)addr;
preinit(0,argc,argv);
}
for(sSharedLib *l = libs; l != NULL; l = l->next)
load_initLib(l);
}
int
main(int argc, char **argv)
{
pid_t pid;
ulog_open(ULOG_KMSG, LOG_DAEMON, "init");
sigaction(SIGTERM, &sa_shutdown, NULL);
sigaction(SIGUSR1, &sa_shutdown, NULL);
sigaction(SIGUSR2, &sa_shutdown, NULL);
early();
cmdline();
watchdog_init(1);
pid = fork();
if (!pid) {
char *kmod[] = { "/sbin/kmodloader", "/etc/modules-boot.d/", NULL };
if (debug < 3) {
int fd = open("/dev/null", O_RDWR);
if (fd > -1) {
dup2(fd, STDIN_FILENO);
dup2(fd, STDOUT_FILENO);
dup2(fd, STDERR_FILENO);
if (fd > STDERR_FILENO)
close(fd);
}
}
execvp(kmod[0], kmod);
ERROR("Failed to start kmodloader\n");
exit(-1);
}
if (pid <= 0) {
ERROR("Failed to start kmodloader instance\n");
} else {
int i;
for (i = 0; i < 120; i++) {
if (waitpid(pid, NULL, WNOHANG) > 0)
break;
sleep(1);
watchdog_ping();
}
}
uloop_init();
preinit();
uloop_run();
return 0;
}
void CameraPathControls::init(Vertices* vertices) {
/// Common initialization.
preinit(vertices, camera_path_controls_vshader, rendering_simple_fshader, camera_path_controls_gshader, "vertexPosition3DWorld");
/// Set uniform IDs.
_projectionID = glGetUniformLocation(_programID, "projection");
_viewID = glGetUniformLocation(_programID, "view");
_lightPositionWorldID = glGetUniformLocation(_programID, "lightPositionWorld");
_selectedControlPointID = glGetUniformLocation(_programID, "selectedControlPoint");
_rotationMatrixID = glGetUniformLocation(_programID, "rotationMatrix");
}
/* Now we really start accessing some data and determining file format.
* Format now is allowed to change on-the-fly. Here is the only point
* that has MPlayer react to errors. We have to pray that exceptional
* erros in other places simply cannot occur. */
static int init(struct dec_audio *da, const char *decoder)
{
if (!preinit(da))
return 0;
struct ad_mpg123_context *con = da->priv;
int ret;
ret = mpg123_open_feed(con->handle);
if (ret != MPG123_OK)
goto fail;
for (int n = 0; ; n++) {
if (feed_new_packet(da) < 0) {
ret = MPG123_NEED_MORE;
goto fail;
}
size_t got_now = 0;
ret = mpg123_decode_frame(con->handle, NULL, NULL, &got_now);
if (ret == MPG123_OK || ret == MPG123_NEW_FORMAT) {
ret = set_format(da);
if (ret == MPG123_OK)
break;
}
if (ret != MPG123_NEED_MORE)
goto fail;
// max. 16 retries (randomly chosen number)
if (n > 16) {
ret = MPG123_NEED_MORE;
goto fail;
}
}
return 1;
fail:
if (ret == MPG123_NEED_MORE) {
MP_ERR(da, "Could not find mp3 stream.\n");
} else {
MP_ERR(da, "mpg123 init error: %s\n",
mpg123_strerror(con->handle));
}
uninit(da);
return 0;
}
// open & setup audio device
// return: 1=success 0=fail
static int init(int rate,int channels,int format,int flags){
if(preinit(NULL)<0) return 0;
ao_data.channels=2;
ao_data.outburst=2000;
switch(format){
case AF_FORMAT_S16_BE:
case AF_FORMAT_MPEG2:
case AF_FORMAT_AC3_BE:
ao_data.format=format;
break;
case AF_FORMAT_AC3_LE:
ao_data.format=AF_FORMAT_AC3_BE;
break;
default:
ao_data.format=AF_FORMAT_S16_BE;
}
switch(rate){
case 48000: freq_id=0;break;
case 96000: freq_id=1;break;
case 44100: freq_id=2;break;
case 32000: freq_id=3;break;
default:
mp_msg(MSGT_AO, MSGL_ERR, MSGTR_AO_MPEGPES_UnsupSamplerate, rate);
#if 0
if(rate>48000) rate=96000; else
if(rate>44100) rate=48000; else
if(rate>32000) rate=44100; else
rate=32000;
goto retry;
#else
rate=48000; freq_id=0;
#endif
}
ao_data.bps=rate*2*2;
freq=ao_data.samplerate=rate;
return 1;
}
int main(int argc,char **argv)
{
int n;
for (n=0;n<HARD_USERLIMIT;n++)
pchild[n]=(child_t *)NULL;
for (n=0;n<LOGININFO_COUNT;n++)
logininfo[n]=(logininfo_t *)NULL;
parsecmdline(argc,argv);
while (reinit) {
reinit=0;
preinit();
if (readini()<0) exit(1);
if (!checkconf()) exit(1);
do_writepidfile();
do_changeroot();
if (daemonmode) {
if (fork()==0) startserver();
exit(0); /* better be sure */
} else startserver();
for (n=0;n<maxusers;n++)
if (pchild[n]) {
free(pchild[n]);
pchild[n]=(child_t *)NULL;
}
for (n=0;n<logininfocount;n++)
if (logininfo[n]) {
free(logininfo[n]);
logininfo[n]=(logininfo_t *)NULL;
}
}
exit(0);
}
int main(int argc, char **argv)
{
int ret = 0;
int i;
char chunk[BUFF_SIZE];
int lenna_fd;
int total;
char *ptr;
struct v4l2_buffer buf;
uint32_t type = V4L2_BUF_TYPE_VIDEO_OUTPUT;
printf("vo_atmel %d.%d.%d (%s)\n", VERSION, PATCHLEVEL, SUBLEVEL,
VERSION_NAME);
ret = preinit();
if (ret)
return -1;
/* with scaling */
ret = config(512, 512, 400, 400,
0, "lenna",
V4L2_PIX_FMT_YUV420);
if (ret)
goto err;
printf("vo_atmel: open file\n");
lenna_fd = open("./lenna.yuv", O_RDWR);
if (lenna_fd < 0) {
printf("vo_atmel: Could not open image file\n");
goto err;
}
memset(&buf, '\0', sizeof(buf));
buf.type = V4L2_BUF_TYPE_VIDEO_OUTPUT;
buf.memory = V4L2_MEMORY_MMAP;
// Test with solid colors:
//memset(atmel_priv.buf[buf.index], '\0', atmel_priv.len[buf.index]);
//memset(atmel_priv.buf[buf.index], 0xff, atmel_priv.len[buf.index]);
// Test with YUV data
total = atmel_priv.len[buf.index];
ptr = (char *)atmel_priv.buf[buf.index];
ret = read(lenna_fd, chunk, BUFF_SIZE);
while (ret > 0) {
total -= ret;
if (total <= 0) {
printf("ret remains: %d\n", ret);
break;
}
memcpy(ptr, chunk, ret);
ptr += ret;
ret = read(lenna_fd, chunk, BUFF_SIZE);
}
ret = 0;
printf("vo_atmel: sleeping a little bit\n");
sleep(10);
err:
uninit();
return ret;
}
Common::Error KyraEngine_MR::go() {
bool running = true;
preinit();
_screen->hideMouse();
initMainMenu();
_screen->clearPage(0);
_screen->clearPage(2);
const bool firstTimeGame = !saveFileLoadable(0);
if (firstTimeGame) {
playVQA("K3INTRO");
_wasPlayingVQA = false;
}
if (_gameToLoad != -1 || firstTimeGame) {
while (!_screen->isMouseVisible())
_screen->showMouse();
uninitMainMenu();
_musicSoundChannel = -1;
startup();
runLoop();
running = false;
}
while (running && !shouldQuit()) {
_screen->_curPage = 0;
_screen->clearPage(0);
_screen->setScreenPalette(_screen->getPalette(0));
playMenuAudioFile();
for (int i = 0; i < 64 && !shouldQuit(); ++i) {
uint32 nextRun = _system->getMillis() + 3 * _tickLength;
_menuAnim->displayFrame(i, 0, 0, 0, 0, 0, 0);
_screen->updateScreen();
delayUntil(nextRun);
}
for (int i = 64; i > 29 && !shouldQuit(); --i) {
uint32 nextRun = _system->getMillis() + 3 * _tickLength;
_menuAnim->displayFrame(i, 0, 0, 0, 0, 0, 0);
_screen->updateScreen();
delayUntil(nextRun);
}
_eventList.clear();
switch (_menu->handle(3)) {
case 2:
_menuDirectlyToLoad = true;
// fall through
case 0:
uninitMainMenu();
fadeOutMusic(60);
_screen->fadeToBlack(60);
_musicSoundChannel = -1;
startup();
runLoop();
running = false;
break;
case 1:
playVQA("K3INTRO");
_wasPlayingVQA = false;
_screen->hideMouse();
break;
case 3:
fadeOutMusic(60);
_screen->fadeToBlack(60);
uninitMainMenu();
quitGame();
running = false;
break;
default:
break;
}
}
if (_showOutro && !shouldQuit())
playVQA("CREDITS");
return Common::kNoError;
}