### Sources
set(LUGARU_SRCS
+ ${SRCDIR}/main.cpp
${SRCDIR}/Frustum.cpp
${SRCDIR}/Account.cpp
${SRCDIR}/ConsoleCmds.cpp
${SRCDIR}/ImageIO.cpp
${SRCDIR}/unpack.c
${SRCDIR}/Weapons.cpp
- ${SRCDIR}/OpenGL_Windows.cpp
${SRCDIR}/openal_wrapper.cpp
${SRCDIR}/Input.cpp
${SRCDIR}/Settings.cpp
+++ /dev/null
-/*
-Copyright (C) 2003, 2010 - Wolfire Games
-Copyright (C) 2010-2016 - Lugaru contributors (see AUTHORS file)
-
-This file is part of Lugaru.
-
-Lugaru is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2 of the License, or
-(at your option) any later version.
-
-Lugaru is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-GNU General Public License for more details.
-
-You should have received a copy of the GNU General Public License
-along with Lugaru. If not, see <http://www.gnu.org/licenses/>.
-*/
-
-#include <math.h>
-#include <stdio.h>
-#include <string.h>
-#include <fstream>
-#include <iostream>
-#include <zlib.h>
-#include <set>
-#include "gamegl.h"
-#include "MacCompatibility.h"
-#include "Settings.h"
-
-#include "Game.h"
-
-using namespace Game;
-
-#include "openal_wrapper.h"
-
-#ifdef WIN32
-#include <windows.h>
-#include <shellapi.h>
-#include "win-res/resource.h"
-#endif
-
-extern float multiplier;
-extern float sps;
-extern float realmultiplier;
-extern int slomo;
-extern bool cellophane;
-extern float texdetail;
-
-extern bool freeze;
-extern bool stillloading;
-extern int mainmenu;
-
-extern float slomospeed;
-extern float slomofreq;
-extern bool visibleloading;
-
-extern SDL_Window *sdlwindow;
-
-using namespace std;
-
-set<pair<int,int>> resolutions;
-
-// statics/globals (internal only) ------------------------------------------
-
-#ifdef _MSC_VER
-#pragma warning(push)
-#pragma warning(disable: 4273)
-#endif
-
-#ifndef __MINGW32__ // FIXME: Temporary workaround for GL-8
-#define GL_FUNC(ret,fn,params,call,rt) \
- extern "C" { \
- static ret (GLAPIENTRY *p##fn) params = NULL; \
- ret GLAPIENTRY fn params { rt p##fn call; } \
- }
-#include "glstubs.h"
-#undef GL_FUNC
-#endif // __MINGW32__
-
-#ifdef _MSC_VER
-#pragma warning(pop)
-#endif
-
-static bool lookup_glsym(const char *funcname, void **func)
-{
- *func = SDL_GL_GetProcAddress(funcname);
- if (*func == NULL) {
- fprintf(stderr, "Failed to find OpenGL symbol \"%s\"\n", funcname);
- return false;
- }
- return true;
-}
-
-static bool lookup_all_glsyms(void)
-{
- bool retval = true;
-#ifndef __MINGW32__ // FIXME: Temporary workaround for GL-8
-#define GL_FUNC(ret,fn,params,call,rt) \
- if (!lookup_glsym(#fn, (void **) &p##fn)) retval = false;
-#include "glstubs.h"
-#undef GL_FUNC
-#endif // __MINGW32__
- return retval;
-}
-
-#ifndef __MINGW32__ // FIXME: Temporary workaround for GL-8
-static void GLAPIENTRY glDeleteTextures_doNothing(GLsizei n, const GLuint *textures)
-{
- // no-op.
-}
-#endif // __MINGW32__
-
-#ifdef MessageBox
-#undef MessageBox
-#endif
-#define MessageBox(hwnd,text,title,flags) STUBBED("msgbox")
-
-// Menu defs
-
-int kContextWidth;
-int kContextHeight;
-
-static int _argc = 0;
-static char **_argv = NULL;
-
-bool cmdline(const char *cmd)
-{
- for (int i = 1; i < _argc; i++) {
- char *arg = _argv[i];
- while (*arg == '-')
- arg++;
- if (strcasecmp(arg, cmd) == 0)
- return true;
- }
-
- return false;
-}
-
-//-----------------------------------------------------------------------------------------------------------------------
-
-// OpenGL Drawing
-
-void initGL()
-{
- glClear( GL_COLOR_BUFFER_BIT );
- swap_gl_buffers();
-
- // clear all states
- glDisable( GL_ALPHA_TEST);
- glDisable( GL_BLEND);
- glDisable( GL_DEPTH_TEST);
- glDisable( GL_FOG);
- glDisable( GL_LIGHTING);
- glDisable( GL_LOGIC_OP);
- glDisable( GL_TEXTURE_1D);
- glDisable( GL_TEXTURE_2D);
- glPixelTransferi( GL_MAP_COLOR, GL_FALSE);
- glPixelTransferi( GL_RED_SCALE, 1);
- glPixelTransferi( GL_RED_BIAS, 0);
- glPixelTransferi( GL_GREEN_SCALE, 1);
- glPixelTransferi( GL_GREEN_BIAS, 0);
- glPixelTransferi( GL_BLUE_SCALE, 1);
- glPixelTransferi( GL_BLUE_BIAS, 0);
- glPixelTransferi( GL_ALPHA_SCALE, 1);
- glPixelTransferi( GL_ALPHA_BIAS, 0);
-
- // set initial rendering states
- glShadeModel( GL_SMOOTH);
- glClearDepth( 1.0f);
- glDepthFunc( GL_LEQUAL);
- glDepthMask( GL_TRUE);
- glEnable( GL_DEPTH_TEST);
- glHint( GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST);
- glCullFace( GL_FRONT);
- glEnable( GL_CULL_FACE);
- glEnable( GL_LIGHTING);
- glEnable( GL_DITHER);
- glEnable( GL_COLOR_MATERIAL);
- glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
- glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
- glAlphaFunc( GL_GREATER, 0.5f);
-
- if ( CanInitStereo(stereomode) ) {
- InitStereo(stereomode);
- } else {
- fprintf(stderr, "Failed to initialize stereo, disabling.\n");
- stereomode = stereoNone;
- }
-}
-
-void toggleFullscreen()
-{
- fullscreen = !fullscreen;
- Uint32 flags = SDL_GetWindowFlags(sdlwindow);
- if (flags & SDL_WINDOW_FULLSCREEN) {
- flags &= ~SDL_WINDOW_FULLSCREEN;
- } else {
- flags |= SDL_WINDOW_FULLSCREEN;
- }
- SDL_SetWindowFullscreen(sdlwindow, flags);
-}
-
-SDL_bool sdlEventProc(const SDL_Event &e)
-{
- switch (e.type) {
- case SDL_QUIT:
- return SDL_FALSE;
-
- case SDL_WINDOWEVENT:
- if (e.window.event == SDL_WINDOWEVENT_CLOSE) {
- return SDL_FALSE;
- }
- break;
-
- case SDL_MOUSEMOTION:
- deltah += e.motion.xrel;
- deltav += e.motion.yrel;
- break;
-
- case SDL_KEYDOWN:
- if ((e.key.keysym.scancode == SDL_SCANCODE_G) &&
- (e.key.keysym.mod & KMOD_CTRL)) {
- SDL_bool mode = SDL_TRUE;
- if ((SDL_GetWindowFlags(sdlwindow) & SDL_WINDOW_FULLSCREEN) == 0)
- mode = (SDL_GetWindowGrab(sdlwindow) ? SDL_FALSE : SDL_TRUE);
- SDL_SetWindowGrab(sdlwindow, mode);
- SDL_SetRelativeMouseMode(mode);
- } else if ( (e.key.keysym.scancode == SDL_SCANCODE_RETURN) && (e.key.keysym.mod & KMOD_ALT) ) {
- toggleFullscreen();
- }
- break;
- }
- return SDL_TRUE;
-}
-
-
-
-// --------------------------------------------------------------------------
-
-static Point gMidPoint;
-
-bool SetUp ()
-{
- LOGFUNC;
-
- cellophane = 0;
- texdetail = 4;
- slomospeed = 0.25;
- slomofreq = 8012;
-
- DefaultSettings();
-
- if (!SDL_WasInit(SDL_INIT_VIDEO))
- if (SDL_Init(SDL_INIT_VIDEO) == -1) {
- fprintf(stderr, "SDL_Init() failed: %s\n", SDL_GetError());
- return false;
- }
- if (!LoadSettings()) {
- fprintf(stderr, "Failed to load config, creating default\n");
- SaveSettings();
- }
- if (kBitsPerPixel != 32 && kBitsPerPixel != 16) {
- kBitsPerPixel = 16;
- }
-
- if (SDL_GL_LoadLibrary(NULL) == -1) {
- fprintf(stderr, "SDL_GL_LoadLibrary() failed: %s\n", SDL_GetError());
- SDL_Quit();
- return false;
- }
-
- for (int displayIdx = 0; displayIdx < SDL_GetNumVideoDisplays(); ++displayIdx) {
- for (int i = 0; i < SDL_GetNumDisplayModes(displayIdx); ++i) {
- SDL_DisplayMode mode;
- if (SDL_GetDisplayMode(displayIdx, i, &mode) == -1)
- continue;
- if ((mode.w < 640) || (mode.h < 480))
- continue; // sane lower limit.
- pair<int,int> resolution(mode.w, mode.h);
- resolutions.insert(resolution);
- }
- }
-
- if (resolutions.empty()) {
- const std::string error = "No suitable video resolutions found.";
- cerr << error << endl;
- SDL_ShowSimpleMessageBox(SDL_MESSAGEBOX_ERROR, "Lugaru init failed!", error.c_str(), NULL);
- SDL_Quit();
- return false;
- }
-
- if (cmdline("showresolutions")) {
- printf("Available resolutions:\n");
- for (auto resolution = resolutions.begin(); resolution != resolutions.end(); resolution++) {
- printf(" %d x %d\n", (int) resolution->first, (int) resolution->second);
- }
- }
-
- SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1);
- SDL_GL_SetAttribute(SDL_GL_STENCIL_SIZE, 1);
-
- Uint32 sdlflags = SDL_WINDOW_OPENGL | SDL_WINDOW_SHOWN;
- if ((fullscreen || cmdline("fullscreen")) && !cmdline("windowed")) {
- fullscreen = 1;
- sdlflags |= SDL_WINDOW_FULLSCREEN;
- }
- if (!cmdline("nomousegrab"))
- sdlflags |= SDL_WINDOW_INPUT_GRABBED;
-
- sdlwindow = SDL_CreateWindow("Lugaru", SDL_WINDOWPOS_CENTERED_DISPLAY(0), SDL_WINDOWPOS_CENTERED_DISPLAY(0),
- kContextWidth, kContextHeight, sdlflags);
-
- if (!sdlwindow) {
- fprintf(stderr, "SDL_CreateWindow() failed: %s\n", SDL_GetError());
- fprintf(stderr, "forcing 640x480...\n");
- kContextWidth = 640;
- kContextHeight = 480;
- sdlwindow = SDL_CreateWindow("Lugaru", SDL_WINDOWPOS_CENTERED_DISPLAY(0), SDL_WINDOWPOS_CENTERED_DISPLAY(0),
- kContextWidth, kContextHeight, sdlflags);
- if (!sdlwindow) {
- fprintf(stderr, "SDL_CreateWindow() failed: %s\n", SDL_GetError());
- fprintf(stderr, "forcing 640x480 windowed mode...\n");
- sdlflags &= ~SDL_WINDOW_FULLSCREEN;
- sdlwindow = SDL_CreateWindow("Lugaru", SDL_WINDOWPOS_CENTERED_DISPLAY(0), SDL_WINDOWPOS_CENTERED_DISPLAY(0),
- kContextWidth, kContextHeight, sdlflags);
-
- if (!sdlwindow) {
- fprintf(stderr, "SDL_CreateWindow() failed: %s\n", SDL_GetError());
- return false;
- }
- }
- }
-
- SDL_GLContext glctx = SDL_GL_CreateContext(sdlwindow);
- if (!glctx) {
- fprintf(stderr, "SDL_GL_CreateContext() failed: %s\n", SDL_GetError());
- SDL_Quit();
- return false;
- }
-
- SDL_GL_MakeCurrent(sdlwindow, glctx);
-
- if (!lookup_all_glsyms()) {
- fprintf(stderr, "Missing required OpenGL functions.\n");
- SDL_Quit();
- return false;
- }
-
- int dblbuf = 0;
- if ((SDL_GL_GetAttribute(SDL_GL_DOUBLEBUFFER, &dblbuf) == -1) || (!dblbuf))
- {
- fprintf(stderr, "Failed to get a double-buffered context.\n");
- SDL_Quit();
- return false;
- }
-
- if (SDL_GL_SetSwapInterval(-1) == -1) // try swap_tear first.
- SDL_GL_SetSwapInterval(1);
-
- SDL_ShowCursor(0);
- if (!cmdline("nomousegrab"))
- SDL_SetRelativeMouseMode(SDL_TRUE);
-
- initGL();
-
- GLint width = kContextWidth;
- GLint height = kContextHeight;
- gMidPoint.h = width / 2;
- gMidPoint.v = height / 2;
- screenwidth = width;
- screenheight = height;
-
- newdetail = detail;
- newscreenwidth = screenwidth;
- newscreenheight = screenheight;
-
- /* If saved resolution is not in the list, add it to the list (so that it’s selectable in the options) */
- pair<int,int> startresolution(width,height);
- if (resolutions.find(startresolution) == resolutions.end()) {
- resolutions.insert(startresolution);
- }
-
- InitGame();
-
- return true;
-}
-
-
-static void DoMouse()
-{
-
- if (mainmenu || ( (abs(deltah) < 10 * realmultiplier * 1000) && (abs(deltav) < 10 * realmultiplier * 1000) )) {
- deltah *= usermousesensitivity;
- deltav *= usermousesensitivity;
- mousecoordh += deltah;
- mousecoordv += deltav;
- if (mousecoordh < 0)
- mousecoordh = 0;
- else if (mousecoordh >= kContextWidth)
- mousecoordh = kContextWidth - 1;
- if (mousecoordv < 0)
- mousecoordv = 0;
- else if (mousecoordv >= kContextHeight)
- mousecoordv = kContextHeight - 1;
- }
-
-}
-
-void DoFrameRate (int update)
-{
- static long frames = 0;
-
- static AbsoluteTime time = {0, 0};
- static AbsoluteTime frametime = {0, 0};
- AbsoluteTime currTime = UpTime ();
- double deltaTime = (float) AbsoluteDeltaToDuration (currTime, frametime);
-
- if (0 > deltaTime) // if negative microseconds
- deltaTime /= -1000000.0;
- else // else milliseconds
- deltaTime /= 1000.0;
-
- multiplier = deltaTime;
- if (multiplier < .001)
- multiplier = .001;
- if (multiplier > 10)
- multiplier = 10;
- if (update)
- frametime = currTime; // reset for next time interval
-
- deltaTime = (float) AbsoluteDeltaToDuration (currTime, time);
-
- if (0 > deltaTime) // if negative microseconds
- deltaTime /= -1000000.0;
- else // else milliseconds
- deltaTime /= 1000.0;
- frames++;
- if (0.001 <= deltaTime) { // has update interval passed
- if (update) {
- time = currTime; // reset for next time interval
- frames = 0;
- }
- }
-}
-
-
-void DoUpdate ()
-{
- static float sps = 200;
- static int count;
- static float oldmult;
-
- DoFrameRate(1);
- if (multiplier > .6)
- multiplier = .6;
-
- fps = 1 / multiplier;
-
- count = multiplier * sps;
- if (count < 2)
- count = 2;
-
- realmultiplier = multiplier;
- multiplier *= gamespeed;
- if (difficulty == 1)
- multiplier *= .9;
- if (difficulty == 0)
- multiplier *= .8;
-
- if (loading == 4)
- multiplier *= .00001;
- if (slomo && !mainmenu)
- multiplier *= slomospeed;
- oldmult = multiplier;
- multiplier /= (float)count;
-
- DoMouse();
-
- TickOnce();
-
- for (int i = 0; i < count; i++) {
- Tick();
- }
- multiplier = oldmult;
-
- TickOnceAfter();
- /* - Debug code to test how many channels were active on average per frame
- static long frames = 0;
-
- static AbsoluteTime start = {0,0};
- AbsoluteTime currTime = UpTime ();
- static int num_channels = 0;
-
- num_channels += OPENAL_GetChannelsPlaying();
- double deltaTime = (float) AbsoluteDeltaToDuration (currTime, start);
-
- if (0 > deltaTime) // if negative microseconds
- deltaTime /= -1000000.0;
- else // else milliseconds
- deltaTime /= 1000.0;
-
- ++frames;
-
- if (deltaTime >= 1)
- {
- start = currTime;
- float avg_channels = (float)num_channels / (float)frames;
-
- ofstream opstream("log.txt",ios::app);
- opstream << "Average frame count: ";
- opstream << frames;
- opstream << " frames - ";
- opstream << avg_channels;
- opstream << " per frame.\n";
- opstream.close();
-
- frames = 0;
- num_channels = 0;
- }
- */
- if ( stereomode == stereoNone ) {
- DrawGLScene(stereoCenter);
- } else {
- DrawGLScene(stereoLeft);
- DrawGLScene(stereoRight);
- }
-}
-
-// --------------------------------------------------------------------------
-
-
-void CleanUp (void)
-{
- LOGFUNC;
-
- SDL_Quit();
-#ifndef __MINGW32__ // FIXME: Temporary workaround for GL-8
-#define GL_FUNC(ret,fn,params,call,rt) p##fn = NULL;
-#include "glstubs.h"
-#undef GL_FUNC
- // cheat here...static destructors are calling glDeleteTexture() after
- // the context is destroyed and libGL unloaded by SDL_Quit().
- pglDeleteTextures = glDeleteTextures_doNothing;
-#endif // __MINGW32__
-
-}
-
-// --------------------------------------------------------------------------
-
-static bool IsFocused()
-{
- return ((SDL_GetWindowFlags(sdlwindow) & SDL_WINDOW_INPUT_FOCUS) != 0);
-}
-
-
-
-#ifndef WIN32
-// (code lifted from physfs: http://icculus.org/physfs/ ... zlib license.)
-static char *findBinaryInPath(const char *bin, char *envr)
-{
- size_t alloc_size = 0;
- char *exe = NULL;
- char *start = envr;
- char *ptr;
-
- do {
- size_t size;
- ptr = strchr(start, ':'); /* find next $PATH separator. */
- if (ptr)
- *ptr = '\0';
-
- size = strlen(start) + strlen(bin) + 2;
- if (size > alloc_size) {
- char *x = (char *) realloc(exe, size);
- if (x == NULL) {
- if (exe != NULL)
- free(exe);
- return(NULL);
- } /* if */
-
- alloc_size = size;
- exe = x;
- } /* if */
-
- /* build full binary path... */
- strcpy(exe, start);
- if ((exe[0] == '\0') || (exe[strlen(exe) - 1] != '/'))
- strcat(exe, "/");
- strcat(exe, bin);
-
- if (access(exe, X_OK) == 0) { /* Exists as executable? We're done. */
- strcpy(exe, start); /* i'm lazy. piss off. */
- return(exe);
- } /* if */
-
- start = ptr + 1; /* start points to beginning of next element. */
- } while (ptr != NULL);
-
- if (exe != NULL)
- free(exe);
-
- return(NULL); /* doesn't exist in path. */
-} /* findBinaryInPath */
-
-
-char *calcBaseDir(const char *argv0)
-{
- /* If there isn't a path on argv0, then look through the $PATH for it. */
- char *retval;
- char *envr;
-
- if (strchr(argv0, '/')) {
- retval = strdup(argv0);
- if (retval)
- *((char *) strrchr(retval, '/')) = '\0';
- return(retval);
- }
-
- envr = getenv("PATH");
- if (!envr)
- return NULL;
- envr = strdup(envr);
- if (!envr)
- return NULL;
- retval = findBinaryInPath(argv0, envr);
- free(envr);
- return(retval);
-}
-
-static inline void chdirToAppPath(const char *argv0)
-{
- char *dir = calcBaseDir(argv0);
- if (dir) {
-#if (defined(__APPLE__) && defined(__MACH__))
- // Chop off /Contents/MacOS if it's at the end of the string, so we
- // land in the base of the app bundle.
- const size_t len = strlen(dir);
- const char *bundledirs = "/Contents/MacOS";
- const size_t bundledirslen = strlen(bundledirs);
- if (len > bundledirslen) {
- char *ptr = (dir + len) - bundledirslen;
- if (strcasecmp(ptr, bundledirs) == 0)
- *ptr = '\0';
- }
-#endif
- chdir(dir);
- free(dir);
- }
-}
-#endif
-
-
-int main(int argc, char **argv)
-{
- _argc = argc;
- _argv = argv;
-
- // !!! FIXME: we could use a Win32 API for this. --ryan.
-#ifndef WIN32
- chdirToAppPath(argv[0]);
-#endif
-
- LOGFUNC;
-
- try {
- {
- newGame();
-
- if (!SetUp ())
- return 42;
-
- bool gameDone = false;
- bool gameFocused = true;
-
- while (!gameDone && !tryquit) {
- if (IsFocused()) {
- gameFocused = true;
-
- // check windows messages
-
- deltah = 0;
- deltav = 0;
- SDL_Event e;
- if (!waiting) {
- // message pump
- while ( SDL_PollEvent( &e ) ) {
- if (!sdlEventProc(e)) {
- gameDone = true;
- break;
- }
- }
- }
-
- // game
- DoUpdate();
- } else {
- if (gameFocused) {
- // allow game chance to pause
- gameFocused = false;
- DoUpdate();
- }
-
- // game is not in focus, give CPU time to other apps by waiting for messages instead of 'peeking'
- SDL_WaitEvent(0);
- }
- }
-
- deleteGame();
- }
-
- CleanUp ();
-
- return 0;
- } catch (const std::exception& error) {
- CleanUp();
-
- std::string e = "Caught exception: ";
- e += error.what();
-
- LOG(e);
-
- MessageBox(g_windowHandle, error.what(), "ERROR", MB_OK | MB_ICONEXCLAMATION);
-
- return -1;
- }
-}
--- /dev/null
+/*
+Copyright (C) 2003, 2010 - Wolfire Games
+Copyright (C) 2010-2016 - Lugaru contributors (see AUTHORS file)
+
+This file is part of Lugaru.
+
+Lugaru is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2 of the License, or
+(at your option) any later version.
+
+Lugaru is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with Lugaru. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include <math.h>
+#include <stdio.h>
+#include <string.h>
+#include <fstream>
+#include <iostream>
+#include <zlib.h>
+#include <set>
+#include "gamegl.h"
+#include "MacCompatibility.h"
+#include "Settings.h"
+
+#include "Game.h"
+
+using namespace Game;
+
+#include "openal_wrapper.h"
+
+#ifdef WIN32
+#include <windows.h>
+#include <shellapi.h>
+#include "win-res/resource.h"
+#endif
+
+extern float multiplier;
+extern float sps;
+extern float realmultiplier;
+extern int slomo;
+extern bool cellophane;
+extern float texdetail;
+
+extern bool freeze;
+extern bool stillloading;
+extern int mainmenu;
+
+extern float slomospeed;
+extern float slomofreq;
+extern bool visibleloading;
+
+extern SDL_Window *sdlwindow;
+
+using namespace std;
+
+set<pair<int,int>> resolutions;
+
+// statics/globals (internal only) ------------------------------------------
+
+#ifdef _MSC_VER
+#pragma warning(push)
+#pragma warning(disable: 4273)
+#endif
+
+#ifndef __MINGW32__ // FIXME: Temporary workaround for GL-8
+#define GL_FUNC(ret,fn,params,call,rt) \
+ extern "C" { \
+ static ret (GLAPIENTRY *p##fn) params = NULL; \
+ ret GLAPIENTRY fn params { rt p##fn call; } \
+ }
+#include "glstubs.h"
+#undef GL_FUNC
+#endif // __MINGW32__
+
+#ifdef _MSC_VER
+#pragma warning(pop)
+#endif
+
+static bool lookup_glsym(const char *funcname, void **func)
+{
+ *func = SDL_GL_GetProcAddress(funcname);
+ if (*func == NULL) {
+ fprintf(stderr, "Failed to find OpenGL symbol \"%s\"\n", funcname);
+ return false;
+ }
+ return true;
+}
+
+static bool lookup_all_glsyms(void)
+{
+ bool retval = true;
+#ifndef __MINGW32__ // FIXME: Temporary workaround for GL-8
+#define GL_FUNC(ret,fn,params,call,rt) \
+ if (!lookup_glsym(#fn, (void **) &p##fn)) retval = false;
+#include "glstubs.h"
+#undef GL_FUNC
+#endif // __MINGW32__
+ return retval;
+}
+
+#ifndef __MINGW32__ // FIXME: Temporary workaround for GL-8
+static void GLAPIENTRY glDeleteTextures_doNothing(GLsizei n, const GLuint *textures)
+{
+ // no-op.
+}
+#endif // __MINGW32__
+
+#ifdef MessageBox
+#undef MessageBox
+#endif
+#define MessageBox(hwnd,text,title,flags) STUBBED("msgbox")
+
+// Menu defs
+
+int kContextWidth;
+int kContextHeight;
+
+static int _argc = 0;
+static char **_argv = NULL;
+
+bool cmdline(const char *cmd)
+{
+ for (int i = 1; i < _argc; i++) {
+ char *arg = _argv[i];
+ while (*arg == '-')
+ arg++;
+ if (strcasecmp(arg, cmd) == 0)
+ return true;
+ }
+
+ return false;
+}
+
+//-----------------------------------------------------------------------------------------------------------------------
+
+// OpenGL Drawing
+
+void initGL()
+{
+ glClear( GL_COLOR_BUFFER_BIT );
+ swap_gl_buffers();
+
+ // clear all states
+ glDisable( GL_ALPHA_TEST);
+ glDisable( GL_BLEND);
+ glDisable( GL_DEPTH_TEST);
+ glDisable( GL_FOG);
+ glDisable( GL_LIGHTING);
+ glDisable( GL_LOGIC_OP);
+ glDisable( GL_TEXTURE_1D);
+ glDisable( GL_TEXTURE_2D);
+ glPixelTransferi( GL_MAP_COLOR, GL_FALSE);
+ glPixelTransferi( GL_RED_SCALE, 1);
+ glPixelTransferi( GL_RED_BIAS, 0);
+ glPixelTransferi( GL_GREEN_SCALE, 1);
+ glPixelTransferi( GL_GREEN_BIAS, 0);
+ glPixelTransferi( GL_BLUE_SCALE, 1);
+ glPixelTransferi( GL_BLUE_BIAS, 0);
+ glPixelTransferi( GL_ALPHA_SCALE, 1);
+ glPixelTransferi( GL_ALPHA_BIAS, 0);
+
+ // set initial rendering states
+ glShadeModel( GL_SMOOTH);
+ glClearDepth( 1.0f);
+ glDepthFunc( GL_LEQUAL);
+ glDepthMask( GL_TRUE);
+ glEnable( GL_DEPTH_TEST);
+ glHint( GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST);
+ glCullFace( GL_FRONT);
+ glEnable( GL_CULL_FACE);
+ glEnable( GL_LIGHTING);
+ glEnable( GL_DITHER);
+ glEnable( GL_COLOR_MATERIAL);
+ glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+ glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+ glAlphaFunc( GL_GREATER, 0.5f);
+
+ if ( CanInitStereo(stereomode) ) {
+ InitStereo(stereomode);
+ } else {
+ fprintf(stderr, "Failed to initialize stereo, disabling.\n");
+ stereomode = stereoNone;
+ }
+}
+
+void toggleFullscreen()
+{
+ fullscreen = !fullscreen;
+ Uint32 flags = SDL_GetWindowFlags(sdlwindow);
+ if (flags & SDL_WINDOW_FULLSCREEN) {
+ flags &= ~SDL_WINDOW_FULLSCREEN;
+ } else {
+ flags |= SDL_WINDOW_FULLSCREEN;
+ }
+ SDL_SetWindowFullscreen(sdlwindow, flags);
+}
+
+SDL_bool sdlEventProc(const SDL_Event &e)
+{
+ switch (e.type) {
+ case SDL_QUIT:
+ return SDL_FALSE;
+
+ case SDL_WINDOWEVENT:
+ if (e.window.event == SDL_WINDOWEVENT_CLOSE) {
+ return SDL_FALSE;
+ }
+ break;
+
+ case SDL_MOUSEMOTION:
+ deltah += e.motion.xrel;
+ deltav += e.motion.yrel;
+ break;
+
+ case SDL_KEYDOWN:
+ if ((e.key.keysym.scancode == SDL_SCANCODE_G) &&
+ (e.key.keysym.mod & KMOD_CTRL)) {
+ SDL_bool mode = SDL_TRUE;
+ if ((SDL_GetWindowFlags(sdlwindow) & SDL_WINDOW_FULLSCREEN) == 0)
+ mode = (SDL_GetWindowGrab(sdlwindow) ? SDL_FALSE : SDL_TRUE);
+ SDL_SetWindowGrab(sdlwindow, mode);
+ SDL_SetRelativeMouseMode(mode);
+ } else if ( (e.key.keysym.scancode == SDL_SCANCODE_RETURN) && (e.key.keysym.mod & KMOD_ALT) ) {
+ toggleFullscreen();
+ }
+ break;
+ }
+ return SDL_TRUE;
+}
+
+
+
+// --------------------------------------------------------------------------
+
+static Point gMidPoint;
+
+bool SetUp ()
+{
+ LOGFUNC;
+
+ cellophane = 0;
+ texdetail = 4;
+ slomospeed = 0.25;
+ slomofreq = 8012;
+
+ DefaultSettings();
+
+ if (!SDL_WasInit(SDL_INIT_VIDEO))
+ if (SDL_Init(SDL_INIT_VIDEO) == -1) {
+ fprintf(stderr, "SDL_Init() failed: %s\n", SDL_GetError());
+ return false;
+ }
+ if (!LoadSettings()) {
+ fprintf(stderr, "Failed to load config, creating default\n");
+ SaveSettings();
+ }
+ if (kBitsPerPixel != 32 && kBitsPerPixel != 16) {
+ kBitsPerPixel = 16;
+ }
+
+ if (SDL_GL_LoadLibrary(NULL) == -1) {
+ fprintf(stderr, "SDL_GL_LoadLibrary() failed: %s\n", SDL_GetError());
+ SDL_Quit();
+ return false;
+ }
+
+ for (int displayIdx = 0; displayIdx < SDL_GetNumVideoDisplays(); ++displayIdx) {
+ for (int i = 0; i < SDL_GetNumDisplayModes(displayIdx); ++i) {
+ SDL_DisplayMode mode;
+ if (SDL_GetDisplayMode(displayIdx, i, &mode) == -1)
+ continue;
+ if ((mode.w < 640) || (mode.h < 480))
+ continue; // sane lower limit.
+ pair<int,int> resolution(mode.w, mode.h);
+ resolutions.insert(resolution);
+ }
+ }
+
+ if (resolutions.empty()) {
+ const std::string error = "No suitable video resolutions found.";
+ cerr << error << endl;
+ SDL_ShowSimpleMessageBox(SDL_MESSAGEBOX_ERROR, "Lugaru init failed!", error.c_str(), NULL);
+ SDL_Quit();
+ return false;
+ }
+
+ if (cmdline("showresolutions")) {
+ printf("Available resolutions:\n");
+ for (auto resolution = resolutions.begin(); resolution != resolutions.end(); resolution++) {
+ printf(" %d x %d\n", (int) resolution->first, (int) resolution->second);
+ }
+ }
+
+ SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1);
+ SDL_GL_SetAttribute(SDL_GL_STENCIL_SIZE, 1);
+
+ Uint32 sdlflags = SDL_WINDOW_OPENGL | SDL_WINDOW_SHOWN;
+ if ((fullscreen || cmdline("fullscreen")) && !cmdline("windowed")) {
+ fullscreen = 1;
+ sdlflags |= SDL_WINDOW_FULLSCREEN;
+ }
+ if (!cmdline("nomousegrab"))
+ sdlflags |= SDL_WINDOW_INPUT_GRABBED;
+
+ sdlwindow = SDL_CreateWindow("Lugaru", SDL_WINDOWPOS_CENTERED_DISPLAY(0), SDL_WINDOWPOS_CENTERED_DISPLAY(0),
+ kContextWidth, kContextHeight, sdlflags);
+
+ if (!sdlwindow) {
+ fprintf(stderr, "SDL_CreateWindow() failed: %s\n", SDL_GetError());
+ fprintf(stderr, "forcing 640x480...\n");
+ kContextWidth = 640;
+ kContextHeight = 480;
+ sdlwindow = SDL_CreateWindow("Lugaru", SDL_WINDOWPOS_CENTERED_DISPLAY(0), SDL_WINDOWPOS_CENTERED_DISPLAY(0),
+ kContextWidth, kContextHeight, sdlflags);
+ if (!sdlwindow) {
+ fprintf(stderr, "SDL_CreateWindow() failed: %s\n", SDL_GetError());
+ fprintf(stderr, "forcing 640x480 windowed mode...\n");
+ sdlflags &= ~SDL_WINDOW_FULLSCREEN;
+ sdlwindow = SDL_CreateWindow("Lugaru", SDL_WINDOWPOS_CENTERED_DISPLAY(0), SDL_WINDOWPOS_CENTERED_DISPLAY(0),
+ kContextWidth, kContextHeight, sdlflags);
+
+ if (!sdlwindow) {
+ fprintf(stderr, "SDL_CreateWindow() failed: %s\n", SDL_GetError());
+ return false;
+ }
+ }
+ }
+
+ SDL_GLContext glctx = SDL_GL_CreateContext(sdlwindow);
+ if (!glctx) {
+ fprintf(stderr, "SDL_GL_CreateContext() failed: %s\n", SDL_GetError());
+ SDL_Quit();
+ return false;
+ }
+
+ SDL_GL_MakeCurrent(sdlwindow, glctx);
+
+ if (!lookup_all_glsyms()) {
+ fprintf(stderr, "Missing required OpenGL functions.\n");
+ SDL_Quit();
+ return false;
+ }
+
+ int dblbuf = 0;
+ if ((SDL_GL_GetAttribute(SDL_GL_DOUBLEBUFFER, &dblbuf) == -1) || (!dblbuf))
+ {
+ fprintf(stderr, "Failed to get a double-buffered context.\n");
+ SDL_Quit();
+ return false;
+ }
+
+ if (SDL_GL_SetSwapInterval(-1) == -1) // try swap_tear first.
+ SDL_GL_SetSwapInterval(1);
+
+ SDL_ShowCursor(0);
+ if (!cmdline("nomousegrab"))
+ SDL_SetRelativeMouseMode(SDL_TRUE);
+
+ initGL();
+
+ GLint width = kContextWidth;
+ GLint height = kContextHeight;
+ gMidPoint.h = width / 2;
+ gMidPoint.v = height / 2;
+ screenwidth = width;
+ screenheight = height;
+
+ newdetail = detail;
+ newscreenwidth = screenwidth;
+ newscreenheight = screenheight;
+
+ /* If saved resolution is not in the list, add it to the list (so that it’s selectable in the options) */
+ pair<int,int> startresolution(width,height);
+ if (resolutions.find(startresolution) == resolutions.end()) {
+ resolutions.insert(startresolution);
+ }
+
+ InitGame();
+
+ return true;
+}
+
+
+static void DoMouse()
+{
+
+ if (mainmenu || ( (abs(deltah) < 10 * realmultiplier * 1000) && (abs(deltav) < 10 * realmultiplier * 1000) )) {
+ deltah *= usermousesensitivity;
+ deltav *= usermousesensitivity;
+ mousecoordh += deltah;
+ mousecoordv += deltav;
+ if (mousecoordh < 0)
+ mousecoordh = 0;
+ else if (mousecoordh >= kContextWidth)
+ mousecoordh = kContextWidth - 1;
+ if (mousecoordv < 0)
+ mousecoordv = 0;
+ else if (mousecoordv >= kContextHeight)
+ mousecoordv = kContextHeight - 1;
+ }
+
+}
+
+void DoFrameRate (int update)
+{
+ static long frames = 0;
+
+ static AbsoluteTime time = {0, 0};
+ static AbsoluteTime frametime = {0, 0};
+ AbsoluteTime currTime = UpTime ();
+ double deltaTime = (float) AbsoluteDeltaToDuration (currTime, frametime);
+
+ if (0 > deltaTime) // if negative microseconds
+ deltaTime /= -1000000.0;
+ else // else milliseconds
+ deltaTime /= 1000.0;
+
+ multiplier = deltaTime;
+ if (multiplier < .001)
+ multiplier = .001;
+ if (multiplier > 10)
+ multiplier = 10;
+ if (update)
+ frametime = currTime; // reset for next time interval
+
+ deltaTime = (float) AbsoluteDeltaToDuration (currTime, time);
+
+ if (0 > deltaTime) // if negative microseconds
+ deltaTime /= -1000000.0;
+ else // else milliseconds
+ deltaTime /= 1000.0;
+ frames++;
+ if (0.001 <= deltaTime) { // has update interval passed
+ if (update) {
+ time = currTime; // reset for next time interval
+ frames = 0;
+ }
+ }
+}
+
+
+void DoUpdate ()
+{
+ static float sps = 200;
+ static int count;
+ static float oldmult;
+
+ DoFrameRate(1);
+ if (multiplier > .6)
+ multiplier = .6;
+
+ fps = 1 / multiplier;
+
+ count = multiplier * sps;
+ if (count < 2)
+ count = 2;
+
+ realmultiplier = multiplier;
+ multiplier *= gamespeed;
+ if (difficulty == 1)
+ multiplier *= .9;
+ if (difficulty == 0)
+ multiplier *= .8;
+
+ if (loading == 4)
+ multiplier *= .00001;
+ if (slomo && !mainmenu)
+ multiplier *= slomospeed;
+ oldmult = multiplier;
+ multiplier /= (float)count;
+
+ DoMouse();
+
+ TickOnce();
+
+ for (int i = 0; i < count; i++) {
+ Tick();
+ }
+ multiplier = oldmult;
+
+ TickOnceAfter();
+ /* - Debug code to test how many channels were active on average per frame
+ static long frames = 0;
+
+ static AbsoluteTime start = {0,0};
+ AbsoluteTime currTime = UpTime ();
+ static int num_channels = 0;
+
+ num_channels += OPENAL_GetChannelsPlaying();
+ double deltaTime = (float) AbsoluteDeltaToDuration (currTime, start);
+
+ if (0 > deltaTime) // if negative microseconds
+ deltaTime /= -1000000.0;
+ else // else milliseconds
+ deltaTime /= 1000.0;
+
+ ++frames;
+
+ if (deltaTime >= 1)
+ {
+ start = currTime;
+ float avg_channels = (float)num_channels / (float)frames;
+
+ ofstream opstream("log.txt",ios::app);
+ opstream << "Average frame count: ";
+ opstream << frames;
+ opstream << " frames - ";
+ opstream << avg_channels;
+ opstream << " per frame.\n";
+ opstream.close();
+
+ frames = 0;
+ num_channels = 0;
+ }
+ */
+ if ( stereomode == stereoNone ) {
+ DrawGLScene(stereoCenter);
+ } else {
+ DrawGLScene(stereoLeft);
+ DrawGLScene(stereoRight);
+ }
+}
+
+// --------------------------------------------------------------------------
+
+
+void CleanUp (void)
+{
+ LOGFUNC;
+
+ SDL_Quit();
+#ifndef __MINGW32__ // FIXME: Temporary workaround for GL-8
+#define GL_FUNC(ret,fn,params,call,rt) p##fn = NULL;
+#include "glstubs.h"
+#undef GL_FUNC
+ // cheat here...static destructors are calling glDeleteTexture() after
+ // the context is destroyed and libGL unloaded by SDL_Quit().
+ pglDeleteTextures = glDeleteTextures_doNothing;
+#endif // __MINGW32__
+
+}
+
+// --------------------------------------------------------------------------
+
+static bool IsFocused()
+{
+ return ((SDL_GetWindowFlags(sdlwindow) & SDL_WINDOW_INPUT_FOCUS) != 0);
+}
+
+
+
+#ifndef WIN32
+// (code lifted from physfs: http://icculus.org/physfs/ ... zlib license.)
+static char *findBinaryInPath(const char *bin, char *envr)
+{
+ size_t alloc_size = 0;
+ char *exe = NULL;
+ char *start = envr;
+ char *ptr;
+
+ do {
+ size_t size;
+ ptr = strchr(start, ':'); /* find next $PATH separator. */
+ if (ptr)
+ *ptr = '\0';
+
+ size = strlen(start) + strlen(bin) + 2;
+ if (size > alloc_size) {
+ char *x = (char *) realloc(exe, size);
+ if (x == NULL) {
+ if (exe != NULL)
+ free(exe);
+ return(NULL);
+ } /* if */
+
+ alloc_size = size;
+ exe = x;
+ } /* if */
+
+ /* build full binary path... */
+ strcpy(exe, start);
+ if ((exe[0] == '\0') || (exe[strlen(exe) - 1] != '/'))
+ strcat(exe, "/");
+ strcat(exe, bin);
+
+ if (access(exe, X_OK) == 0) { /* Exists as executable? We're done. */
+ strcpy(exe, start); /* i'm lazy. piss off. */
+ return(exe);
+ } /* if */
+
+ start = ptr + 1; /* start points to beginning of next element. */
+ } while (ptr != NULL);
+
+ if (exe != NULL)
+ free(exe);
+
+ return(NULL); /* doesn't exist in path. */
+} /* findBinaryInPath */
+
+
+char *calcBaseDir(const char *argv0)
+{
+ /* If there isn't a path on argv0, then look through the $PATH for it. */
+ char *retval;
+ char *envr;
+
+ if (strchr(argv0, '/')) {
+ retval = strdup(argv0);
+ if (retval)
+ *((char *) strrchr(retval, '/')) = '\0';
+ return(retval);
+ }
+
+ envr = getenv("PATH");
+ if (!envr)
+ return NULL;
+ envr = strdup(envr);
+ if (!envr)
+ return NULL;
+ retval = findBinaryInPath(argv0, envr);
+ free(envr);
+ return(retval);
+}
+
+static inline void chdirToAppPath(const char *argv0)
+{
+ char *dir = calcBaseDir(argv0);
+ if (dir) {
+#if (defined(__APPLE__) && defined(__MACH__))
+ // Chop off /Contents/MacOS if it's at the end of the string, so we
+ // land in the base of the app bundle.
+ const size_t len = strlen(dir);
+ const char *bundledirs = "/Contents/MacOS";
+ const size_t bundledirslen = strlen(bundledirs);
+ if (len > bundledirslen) {
+ char *ptr = (dir + len) - bundledirslen;
+ if (strcasecmp(ptr, bundledirs) == 0)
+ *ptr = '\0';
+ }
+#endif
+ chdir(dir);
+ free(dir);
+ }
+}
+#endif
+
+
+int main(int argc, char **argv)
+{
+ _argc = argc;
+ _argv = argv;
+
+ // !!! FIXME: we could use a Win32 API for this. --ryan.
+#ifndef WIN32
+ chdirToAppPath(argv[0]);
+#endif
+
+ LOGFUNC;
+
+ try {
+ {
+ newGame();
+
+ if (!SetUp ())
+ return 42;
+
+ bool gameDone = false;
+ bool gameFocused = true;
+
+ while (!gameDone && !tryquit) {
+ if (IsFocused()) {
+ gameFocused = true;
+
+ // check windows messages
+
+ deltah = 0;
+ deltav = 0;
+ SDL_Event e;
+ if (!waiting) {
+ // message pump
+ while ( SDL_PollEvent( &e ) ) {
+ if (!sdlEventProc(e)) {
+ gameDone = true;
+ break;
+ }
+ }
+ }
+
+ // game
+ DoUpdate();
+ } else {
+ if (gameFocused) {
+ // allow game chance to pause
+ gameFocused = false;
+ DoUpdate();
+ }
+
+ // game is not in focus, give CPU time to other apps by waiting for messages instead of 'peeking'
+ SDL_WaitEvent(0);
+ }
+ }
+
+ deleteGame();
+ }
+
+ CleanUp ();
+
+ return 0;
+ } catch (const std::exception& error) {
+ CleanUp();
+
+ std::string e = "Caught exception: ";
+ e += error.what();
+
+ LOG(e);
+
+ MessageBox(g_windowHandle, error.what(), "ERROR", MB_OK | MB_ICONEXCLAMATION);
+
+ return -1;
+ }
+}