static int ReadBytes(int offset, int n) {
static WorstTime tm("LstnSrvrMsgs");
tm.Start();
#ifdef WIN32
int count = recv(sock_fd, (char *)&buff[offset], n, 0);
#else
int count = read(sock_fd, &buff[offset], n);
#endif
tm.Stop();
if (count == 0 || (count<0 && errno == EEXIST)) { // EEXIST can happen on windows if connection is broken
gMode.Set(GameMode::ESC);
count = 0;
}
if (count < 0) {
if (errno != EAGAIN) {
auto &ss = View::gErrorManager.GetStream(true, false);
#ifdef WIN32
ss << "ListenForServerMessages1: Error " << errno << " length " << count;
#else
ss << "ListenForServerMessages1: Error " << errno << "(" << strerror(errno) << "), length" << count;
#endif
}
count = 0; // This is not a fatal error, need to try again
}
return count;
}
void SendMsg(unsigned char const *b, int n) {
static WorstTime tm("SendMsg");
tm.Start();
#ifdef WIN32
int res = send(sock_fd, (char*)b, n, 0);
#else
int res = write(sock_fd, b, n);
#endif
tm.Stop();
if (res == -1) {
perror("write socket");
}
}
int main(int argc, char** argv) {
if (!glfwInit()) {
ErrorDialog("Failed to initialize GLFW\n");
exit(EXIT_FAILURE);
}
gCurrentFrameTime = 0.0;
string optionsFilename = "ephenation.ini";
string dataDir; // The directory where the client can save data
#ifdef unix
const char *home = getenv("HOME");
// Save Linux Path
dataDir = string(home) + "/.ephenation";
const char *ephenationPath = dataDir.c_str();
struct stat st;
if (stat(ephenationPath,&st) != 0) {
mkdir(ephenationPath, 0777);
}
if (home)
optionsFilename = dataDir + "/" + optionsFilename;
else
optionsFilename = ".ephenation/ephenation.ini"; // Fallback
#endif
#ifdef WIN32
TCHAR home[MAX_PATH];
HRESULT res = SHGetFolderPath(NULL, CSIDL_LOCAL_APPDATA, 0, 0, home);
if (res == S_OK) {
dataDir = string(home) + "\\ephenation";
const char *ephenationPath = dataDir.c_str();
struct _stat st;
if (_stat(ephenationPath,&st) != 0) {
res = _mkdir(ephenationPath);
}
optionsFilename = dataDir + "\\" + optionsFilename; // Fallback
}
#endif
const char *host = "server1.ephenation.net";
int port = 57862;
/* getopt_long stores the option index here. */
int option_index = 0;
while(1) {
int c = getopt_long (argc, argv, "", long_options, &option_index);
/* Detect the end of the options. */
if (c == -1)
break;
}
if (optind < argc)
host = argv[optind];
#ifdef WIN32
if (!gDebugOpenGL && !gVerbose)
FreeConsole();
const char *cacheName = "\\cache";
#else
const char *cacheName = "/cache";
#endif
char *cachePath = new char[strlen(dataDir.c_str()) + strlen(cacheName) + strlen(host) + 2];
strcpy(cachePath, dataDir.c_str());
#ifdef WIN32
strcat(cachePath, "\\cache");
strcat(cachePath, host);
strcat(cachePath, "\\");
#else
strcat(cachePath, "/cache");
strcat(cachePath, host);
strcat(cachePath, "/");
#endif
ChunkCache::fgChunkCache.SetCacheDir(cachePath);
//printf("Game Path: %s\n", dataDir);
gOptions.Init(optionsFilename); // This one should come early, as it is used to initalize things.
// If there was a saved position, use it for imnitialization.
if (gOptions.fPlayerX != 0 || gOptions.fPlayerY != 0 || gOptions.fPlayerZ != 0)
Model::gPlayer.SetPosition(gOptions.fPlayerX, gOptions.fPlayerY, gOptions.fPlayerZ);
unsigned maxThreads = gOptions.fNumThreads;
if (sSingleThread) {
maxThreads = 1; // Override this number
std::cout << "Limit to minimum number of threads" << std::endl;
}
glswInit();
glswSetPath("shaders/", ".glsl");
ConnectToServer(host, port);
gSoundControl.Init();
TSExec::gTSExec.Init(); // This must be called after initiating gSoundControl.
if (gDebugOpenGL)
printf("Number of threads: %d\n", maxThreads);
int numChunkProc = maxThreads - 1;
if (numChunkProc <= 0)
numChunkProc = 1;
gChunkProcess.Init(numChunkProc);
//glfwOpenWindowHint(GLFW_OPENGL_VERSION_MAJOR, 3);
//glfwOpenWindowHint(GLFW_OPENGL_VERSION_MINOR, 3);
glfwOpenWindowHint(GLFW_OPENGL_DEBUG_CONTEXT, gDebugOpenGL);
// glfwOpenWindowHint(GLFW_OPENGL_FORWARD_COMPAT, GL_TRUE);
//glfwOpenWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE); // Need to specify at least version 3.3 for this to work.
if (!glfwOpenWindow(gOptions.fWindowWidth, gOptions.fWindowHeight, 0, 0, 0, 0, 16, 1, gOptions.fFullScreen ? GLFW_FULLSCREEN : GLFW_WINDOW)) {
glfwTerminate();
ErrorDialog("Failed to open GLFW window");
}
glfwSetWindowTitle("Ephenation");
checkError("glfwSetWindowTitle");
GLFWvidmode desktopMode;
glfwGetDesktopMode(&desktopMode);
if (gDebugOpenGL)
printf("Desktop mode %d blue bits, %d green bits, %d red bits, %dx%d\n", desktopMode.BlueBits, desktopMode.GreenBits, desktopMode.RedBits, desktopMode.Width, desktopMode.Height);
gDesktopAspectRatio = float(desktopMode.Width)/float(desktopMode.Height);
// Initialize glew
GLenum err=glewInit();
checkError("glewInit");
if(err!=GLEW_OK) {
//problem: glewInit failed, something is seriously wrong
printf("Fail to init glew: Error: %s\n", glewGetErrorString(err));
checkError("glewInit");
return -1;
}
// Only continue, if OpenGL of the expected version is supported.
int major, minor, revision;
glfwGetGLVersion(&major, &minor, &revision);
if ((major == 3 && minor < 3) || major < 3) {
ErrorDialog("OpenGL context version parsed by GLFW: %u.%u.%u. Version 3.3 required\n", major, minor, revision);
}
if (gDebugOpenGL) {
dumpInfo(major, minor, revision); // Enable this to show some version information about the OpenGL and the graphics card.
// dumpGraphicsMemoryStats();
// const GLubyte* sExtensions = glGetString(GL_EXTENSIONS);
// printf("GL extensions: %s\n", sExtensions);
// glEnable(GL_DEBUG_OUTPUT_SYNCHRONOUS_ARB);
if (glDebugMessageCallbackARB != 0)
glDebugMessageCallbackARB(DebugFunc, (void*)15);
else if (glDebugMessageCallbackAMD != 0)
glDebugMessageCallbackAMD(DebugFuncAMD, (void*)15);
}
glfwSwapInterval(gOptions.fVSYNC); // 0 means do not wait for VSYNC, which would delay the FPS sometimes.
ComputeRelativeChunksSortedDistances();
BlenderModel::InitModels();
Model::gPlayer.loginOk = true;
gUniformBuffer.Init();
gDrawFont.Init("textures/georgia12"); // Must be done before gGameDialog.
GameTexture::Init();
Controller::gGameDialog.init();
ChunkShader *shader = ChunkShader::Make();
gChunkShaderPicking.Init();
Tree::InitStatic();
gLantern.Init(shader);
gQuadStage1.Init();
gBillboard.Init();
gSoundControl.RequestMusicMode(SoundControl::SMusicModeMenu);
glEnable(GL_DEPTH_TEST); // Always enabled by default
// Immediately clear screen, to minimize chance that something undefined is shown.
glClearColor(0.0f, 0.0f, 0.0f, 1.0f );
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT|GL_STENCIL_BUFFER_BIT);
glfwSwapBuffers();
if (sTestUser)
Model::gPlayer.fTestPlayer = true;
// Last thing before starting the game, update the save copy of the options.
Options::sfSave = gOptions;
while(glfwGetWindowParam(GLFW_OPENED)) {
while (ListenForServerMessages())
continue;
if (sTestUser && gMode.Get() == GameMode::LOGIN) {
PerformLoginProcedure("", "", "", true);
sTestUser = false; // Try this only once
}
static WorstTime tm(" Mainloop");
tm.Start();
gCurrentFrameTime = glfwGetTime();
if (gShowPing && gCurrentFrameTime - gLastPing > 5.0) {
// It was a request, so we need to send a response
unsigned char msg[4];
msg[0] = sizeof msg;
msg[1] = 0;
msg[2] = CMD_PING;
msg[3] = 0; // 0 means request, 1 means response
SendMsg(msg, sizeof msg);
gLastPing = gCurrentFrameTime;
gCurrentPing = 0.0;
// Use a busy wait for the response, no time must be lost
while (gCurrentPing == 0.0 && glfwGetTime() - gLastPing < 0.5)
ListenForServerMessages();
}
Controller::gGameDialog.Update();
Controller::gGameDialog.render(sHideGUI);
glfwSwapBuffers();
if (gMode.Get() == GameMode::ESC)
glfwCloseWindow();
tm.Stop();
}
// The window is closed, request quit (which will save the player on the server side)
unsigned char b[] = { 0x03, 0x00, CMD_QUIT };
SendMsg(b, sizeof b);
// The logout acknowledge from the server may take sime time. Take the opportunity to
// halt the process pool.ss
gChunkProcess.RequestTerminate();
glswShutdown();
double timer = glfwGetTime();
// Wait for ack from server, but not indefinitely
while (gMode.Get() == GameMode::GAME && glfwGetTime() - timer < 2.0) {
glfwSleep(0.1); // Avoid a busy wait
ListenForServerMessages(); // Wait for acknowledge
}
if (gMode.Get() == GameMode::GAME) {
printf("Failed to disconnect from server\n");
}
// The options will be saved by the destructor.
Options::sfSave.fViewingDistance = maxRenderDistance;
Options::sfSave.fPlayerX = Model::gPlayer.x;
Options::sfSave.fPlayerY = Model::gPlayer.y;
Options::sfSave.fPlayerZ = Model::gPlayer.z;
gMode.Set(GameMode::EXIT);
Options::sfSave.Save();
return 0;
}
