split up main() into chunks to make it more manageable.
added top-level exception handler and Die() This was SVN commit r730.
This commit is contained in:
parent
89d47437b4
commit
f723248d8f
391
source/main.cpp
391
source/main.cpp
@ -4,10 +4,8 @@
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#include <cstring>
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#include <cstdlib>
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#include <cmath>
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#include <stdarg.h>
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// Alan: For some reason if this gets included after anything else some
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// compile time errors get thrown up todo with javascript internal typedefs
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#include "scripting/ScriptingHost.h"
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#include "sdl.h"
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#include "ogl.h"
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@ -16,9 +14,8 @@
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#include "input.h"
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#include "lib.h"
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#include "res/res.h"
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#include "res/file.h"
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#ifdef _M_IX86
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#include "sysdep/ia32.h"
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#include "sysdep/ia32.h" // _control87
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#endif
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#include "ps/CConsole.h"
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@ -33,12 +30,14 @@
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#include "Model.h"
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#include "UnitManager.h"
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#include "BaseEntityCollection.h"
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#include "Entity.h"
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#include "EntityHandles.h"
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#include "EntityManager.h"
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#include "PathfindEngine.h"
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#include "scripting/ScriptingHost.h"
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#include "scripting/JSInterface_Entity.h"
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#include "scripting/JSInterface_BaseEntity.h"
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#include "scripting/JSInterface_Vector3D.h"
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@ -69,6 +68,7 @@ bool mouseButtons[5];
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int g_xres, g_yres;
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int g_bpp;
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int g_freq;
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bool g_active = true;
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// flag to disable extended GL extensions until fix found - specifically, crashes
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@ -106,6 +106,91 @@ extern int dir_add_watch(const char* const dir, bool watch_subdirs);
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extern void sle(int);
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static size_t frameCount=0;
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static bool quit = false; // break out of main loop
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const wchar_t* HardcodedErrorString(int err)
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{
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#define E(sym) case sym: return L#sym;
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switch(err)
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{
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E(ERR_NO_MEM)
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E(ERR_FILE_NOT_FOUND)
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E(ERR_INVALID_HANDLE)
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E(ERR_INVALID_PARAM)
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E(ERR_EOF)
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E(ERR_PATH_NOT_FOUND)
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E(ERR_VFS_PATH_LENGTH)
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default:
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return 0;
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}
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}
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const wchar_t* ErrorString(int err)
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{
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// language file not available (yet)
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if(1)
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return HardcodedErrorString(err);
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// TODO: load from language file
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}
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static int write_sys_info();
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// TODO: load from language file
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// these will need to be variables; better to make an index into string table
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// (as with errors)? if it's a string, what happens if lang file load failed?
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#define STR_UNHANDLED_EXCEPTION L"unhandled exception"
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#define STR_SDL_INIT_FAILED L"SDL library initialization failed: %hs\n"
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#define STR_SET_VMODE_FAILED L"could not set %dx%d graphics mode: %hs\n"
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#define STR_OGL_EXT_MISSING L"required ARB_multitexture or ARB_texture_env_combine extension not available"
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#define STR_MAP_LOAD_FAILED L"Failed to load map %hs\n"
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static void Die(int err, const wchar_t* fmt, ...)
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{
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va_list args;
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va_start(args, fmt);
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wchar_t buf[1000];
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vswprintf(buf, 1000, fmt, args);
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va_end(args);
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const wchar_t* err_string = ErrorString(err);
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if(err_string)
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{
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wcscat(buf, L" ("); wcscat(buf, err_string); wcscat(buf, L")\n");
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}
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wdisplay_msg(L"0ad", buf);
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write_sys_info();
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exit(EXIT_FAILURE);
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}
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void Testing (void)
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{
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g_Console->InsertMessage(L"Testing Function Registration");
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@ -159,7 +244,9 @@ static int write_sys_info()
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fprintf(f, "%s\n", gfx_drv_ver);
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fprintf(f, "%dx%d:%d@%d\n", g_xres, g_yres, g_bpp, g_freq);
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// .. network name / ips
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char hostname[100]; // possibly nodename != hostname
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// note: can't use un.nodename because it is for an
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// "implementation-defined communications network".
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char hostname[128];
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if (gethostname(hostname, sizeof(hostname)) == 0) // make sure it succeeded
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{
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fprintf(f, "%s\n", hostname);
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@ -178,27 +265,6 @@ static int write_sys_info()
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}
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// error before GUI is initialized: display message, and quit
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// TODO: localization
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static void display_startup_error(const wchar_t* msg)
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{
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const wchar_t* caption = L"0ad startup problem";
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write_sys_info();
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wdisplay_msg(caption, msg);
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exit(1);
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}
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// error before GUI is initialized: display message, and quit
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// TODO: localization
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static void display_startup_error(const char* msg)
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{
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const char* caption = "0ad startup problem";
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write_sys_info();
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display_msg(caption, msg);
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exit(1);
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}
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static int set_vmode(int w, int h, int bpp, bool fullscreen)
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@ -217,6 +283,9 @@ static int set_vmode(int w, int h, int bpp, bool fullscreen)
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oglInit(); // required after each mode change
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if(SDL_SetGamma(g_Gamma, g_Gamma, g_Gamma) < 0)
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debug_warn("SDL_SetGamma failed");
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return 0;
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}
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@ -253,8 +322,6 @@ static void WriteScreenshot()
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}
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bool active = true;
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static bool quit = false; // break out of main loop
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// HACK: Let code from other files (i.e. the scripting system) quit
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void kill_mainloop()
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@ -269,7 +336,7 @@ static int handler(const SDL_Event* ev)
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switch(ev->type)
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{
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case SDL_ACTIVEEVENT:
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active = ev->active.gain != 0;
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g_active = ev->active.gain != 0;
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break;
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case SDL_KEYDOWN:
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@ -577,6 +644,40 @@ void ParseArgs(int argc, char* argv[])
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static void InitScripting()
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{
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// Create the scripting host. This needs to be done before the GUI is created.
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new ScriptingHost;
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// Register the JavaScript interfaces with the runtime
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JSI_Entity::init();
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JSI_BaseEntity::init();
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JSI_IGUIObject::init();
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JSI_GUITypes::init();
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JSI_Vector3D::init();
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}
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static void InitVfs(char* argv0)
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{
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// set current directory to "$game_dir/data".
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// this is necessary because it is otherwise unknown,
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// especially if run from a shortcut / symlink.
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//
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// "../data" is relative to the executable (in "$game_dir/system").
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//
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// rationale for data/ being root: untrusted scripts must not be
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// allowed to overwrite critical game (or worse, OS) files.
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// the VFS prevents any accesses to files above this directory.
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int err = file_rel_chdir(argv0, "../data");
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if(err < 0)
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throw err;
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// display_startup_error(L"error setting current directory.\n"\
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// L"argv[0] is probably incorrect. please start the game via command-line.");
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vfs_mount("", "mods/official", 0);
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vfs_mount("screenshots", "screenshots", 0);
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}
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static void psInit()
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{
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g_Font_Console = unifont_load("fonts/console");
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@ -610,9 +711,42 @@ static void psShutdown()
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CXeromyces::Terminate();
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}
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extern u64 PREVTSC;
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int main(int argc, char* argv[])
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static void Shutdown()
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{
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psShutdown(); // Must delete g_GUI before g_ScriptingHost
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delete &g_ScriptingHost;
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delete &g_Pathfinder;
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delete &g_EntityManager;
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delete &g_EntityTemplateCollection;
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// destroy actor related stuff
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delete &g_UnitMan;
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delete &g_ObjMan;
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delete &g_SkelAnimMan;
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// destroy terrain related stuff
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delete &g_TexMan;
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// destroy renderer
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delete &g_Renderer;
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delete &g_ConfigDB;
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// Not particularly consistent with all the other singletons,
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// but the GUI currently uses it and so it needs to be unloaded
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NPFontManager::release();
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}
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static void Init(int argc, char* argv[])
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{
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sle(1134);
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// If you ever want to catch a particular allocation:
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//_CrtSetBreakAlloc(4128);
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@ -627,9 +761,6 @@ PREVTSC=TSC;
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#endif
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const int ERR_MSG_SIZE = 1000;
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wchar_t err_msg[ERR_MSG_SIZE];
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lib_init();
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// set 24 bit (float) FPU precision for faster divides / sqrts
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@ -642,24 +773,13 @@ PREVTSC=TSC;
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// and fonts are set later in psInit())
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g_Console = new CConsole();
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// Create the scripting host. This needs to be done before the GUI is created.
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new ScriptingHost;
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// Register the JavaScript interfaces with the runtime
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JSI_Entity::init();
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JSI_BaseEntity::init();
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JSI_IGUIObject::init();
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JSI_GUITypes::init();
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JSI_Vector3D::init();
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detect();
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InitVfs(argv[0]);
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// init SDL
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if(SDL_Init(SDL_INIT_VIDEO|SDL_INIT_TIMER|SDL_INIT_NOPARACHUTE) < 0)
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{
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swprintf(err_msg, ERR_MSG_SIZE, L"SDL library initialization failed: %hs\n", SDL_GetError());
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display_startup_error(err_msg);
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}
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Die(0, STR_SDL_INIT_FAILED, SDL_GetError());
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atexit(SDL_Quit);
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SDL_EnableUNICODE(1);
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@ -667,23 +787,9 @@ PREVTSC=TSC;
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// (command line params may override these)
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get_cur_vmode(&g_xres, &g_yres, &g_bpp, &g_freq);
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// set current directory to "$game_dir/data".
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// this is necessary because it is otherwise unknown,
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// especially if run from a shortcut / symlink.
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//
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// "../data" is relative to the executable (in "$game_dir/system").
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//
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// rationale for data/ being root: untrusted scripts must not be
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// allowed to overwrite critical game (or worse, OS) files.
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// the VFS prevents any accesses to files above this directory.
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int err = file_rel_chdir(argv[0], "../data");
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if(err < 0)
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{
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swprintf(err_msg, ERR_MSG_SIZE, L"error setting current directory.\n"\
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L"argv[0] is probably incorrect. please start the game via command-line.");
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display_startup_error(err_msg);
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}
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InitScripting(); // before GUI
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new CConfigDB;
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g_ConfigDB.SetConfigFile(CFG_SYSTEM, false, "config/system.cfg");
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g_ConfigDB.Reload(CFG_SYSTEM);
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@ -710,17 +816,16 @@ PREVTSC=TSC;
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bool windowed=false;
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if (val) val->GetBool(windowed);
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if(set_vmode(g_xres, g_yres, 32, !windowed) < 0)
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{
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swprintf(err_msg, ERR_MSG_SIZE, L"could not set %dx%d graphics mode: %hs\n", g_xres, g_yres, SDL_GetError());
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display_startup_error(err_msg);
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}
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write_sys_info();
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sle(11340106);
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if(set_vmode(g_xres, g_yres, 32, !windowed) < 0)
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Die(0, STR_SET_VMODE_FAILED, g_xres, g_yres, SDL_GetError());
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if(!oglExtAvail("GL_ARB_multitexture") || !oglExtAvail("GL_ARB_texture_env_combine"))
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display_startup_error(L"required ARB_multitexture or ARB_texture_env_combine extension not available");
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Die(0, STR_OGL_EXT_MISSING);
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// enable/disable VSync
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// note: "GL_EXT_SWAP_CONTROL" is "historical" according to dox.
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@ -728,20 +833,13 @@ PREVTSC=TSC;
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wglSwapIntervalEXT(g_VSync? 1 : 0);
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if(SDL_SetGamma(g_Gamma, g_Gamma, g_Gamma) < 0)
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{
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debug_warn("SDL_SetGamma failed");
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}
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vfs_mount("", "mods/official", 0);
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vfs_mount("screenshots", "screenshots", 0);
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#ifdef _MSC_VER
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u64 CURTSC=rdtsc();
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debug_out(
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"----------------------------------------\n"\
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"VFS ready (elapsed = %f ms)\n"\
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"low-level ready (elapsed = %f ms)\n"\
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"----------------------------------------\n", (CURTSC-PREVTSC)/2e9*1e3);
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PREVTSC=CURTSC;
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#endif
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@ -793,9 +891,7 @@ if(!g_MapFile)
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CMapReader reader;
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reader.LoadMap(mapfilename);
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} catch (...) {
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char errmsg[256];
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sprintf(errmsg, "Failed to load map %s\n", mapfilename.c_str());
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display_startup_error(errmsg);
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Die(0, STR_MAP_LOAD_FAILED, mapfilename.c_str());
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}
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}
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@ -815,7 +911,6 @@ if(!g_MapFile)
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// render everything to a blank frame to force renderer to load everything
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RenderNoCull();
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size_t frameCount=0;
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if (g_FixedFrameTiming) {
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#if 0 // TOPDOWN
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g_Camera.SetProjection(1.0f,10000.0f,DEGTORAD(90));
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@ -849,85 +944,87 @@ PREVTSC=CURTSC;
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}
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#endif
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}
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// fixed timestep main loop
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const double TICK_TIME = 30e-3; // [s]
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double time0 = get_time();
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while(!quit)
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{
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res_reload_changed_files();
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static void Frame()
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{
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static double last_time;
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const double time = get_time();
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const float TimeSinceLastFrame = (float)(time-last_time);
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last_time = time;
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ONCE(return);
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// first call: set last_time and return
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assert(TimeSinceLastFrame >= 0.0f);
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res_reload_changed_files();
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// TODO: limiter in case simulation can't keep up?
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const double TICK_TIME = 30e-3; // [s]
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#if 0
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double time1 = get_time();
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while((time1-time0) > TICK_TIME)
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{
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game_ticks++;
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double time1 = get_time();
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while((time1-time0) > TICK_TIME)
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{
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game_ticks++;
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in_get_events();
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do_tick();
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time0 += TICK_TIME;
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}
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in_get_events();
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do_tick();
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time0 += TICK_TIME;
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}
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#endif
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double time1 = get_time();
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// ugly, but necessary. these are one-shot events, have to be reset.
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mouseButtons[SDL_BUTTON_WHEELUP] = false;
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mouseButtons[SDL_BUTTON_WHEELDOWN] = false;
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in_get_events();
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// ugly, but necessary. these are one-shot events, have to be reset.
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mouseButtons[SDL_BUTTON_WHEELUP] = false;
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mouseButtons[SDL_BUTTON_WHEELDOWN] = false;
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in_get_events();
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if(TimeSinceLastFrame > 0.0f)
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{
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UpdateWorld(TimeSinceLastFrame);
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if (!g_FixedFrameTiming)
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terr_update(float(TimeSinceLastFrame));
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g_Console->Update(TimeSinceLastFrame);
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}
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float TimeSinceLastFrame = (float)(time1-time0);
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assert(TimeSinceLastFrame >= 0.0f);
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if(TimeSinceLastFrame > 0.0f)
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{
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UpdateWorld(TimeSinceLastFrame);
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if (!g_FixedFrameTiming)
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terr_update(float(TimeSinceLastFrame));
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g_Console->Update(TimeSinceLastFrame);
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}
|
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if(g_active)
|
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{
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Render();
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SDL_GL_SwapBuffers();
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}
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// inactive; relinquish CPU for a little while
|
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// don't use SDL_WaitEvent: don't want the main loop to freeze until app focus is restored
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else
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||||
SDL_Delay(10);
|
||||
|
||||
if(active)
|
||||
{
|
||||
Render();
|
||||
SDL_GL_SwapBuffers();
|
||||
}
|
||||
// inactive; relinquish CPU for a little while
|
||||
// don't use SDL_WaitEvent: don't want the main loop to freeze until app focus is restored
|
||||
else
|
||||
SDL_Delay(10);
|
||||
calc_fps();
|
||||
frameCount++;
|
||||
if (g_FixedFrameTiming && frameCount==100) quit=true;
|
||||
}
|
||||
|
||||
calc_fps();
|
||||
time0=time1;
|
||||
frameCount++;
|
||||
if (g_FixedFrameTiming && frameCount==100) quit=true;
|
||||
} // main loop, while(!quit)
|
||||
|
||||
psShutdown(); // Must delete g_GUI before g_ScriptingHost
|
||||
|
||||
delete &g_ScriptingHost;
|
||||
delete &g_Pathfinder;
|
||||
delete &g_EntityManager;
|
||||
delete &g_EntityTemplateCollection;
|
||||
int main(int argc, char* argv[])
|
||||
{
|
||||
try
|
||||
{
|
||||
Init(argc, argv);
|
||||
|
||||
// destroy actor related stuff
|
||||
delete &g_UnitMan;
|
||||
delete &g_ObjMan;
|
||||
delete &g_SkelAnimMan;
|
||||
while(!quit)
|
||||
Frame();
|
||||
|
||||
// destroy terrain related stuff
|
||||
delete &g_TexMan;
|
||||
|
||||
// destroy renderer
|
||||
delete &g_Renderer;
|
||||
|
||||
delete &g_ConfigDB;
|
||||
|
||||
// Not particularly consistent with all the other singletons,
|
||||
// but the GUI currently uses it and so it needs to be unloaded
|
||||
NPFontManager::release();
|
||||
Shutdown();
|
||||
}
|
||||
catch(...)
|
||||
{
|
||||
// debug build: let debugger display it (more convenient)
|
||||
#ifndef NDEBUG
|
||||
throw;
|
||||
#endif
|
||||
Die(0, STR_UNHANDLED_EXCEPTION);
|
||||
}
|
||||
|
||||
exit(0);
|
||||
return 0;
|
||||
|
||||
Loading…
Reference in New Issue
Block a user