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OctaCore/src/engine/main.cpp

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// main.cpp: initialisation & main loop
#include "engine.h"
extern void cleargamma();
void cleanup()
{
recorder::stop();
cleanupserver();
SDL_ShowCursor(SDL_TRUE);
SDL_SetRelativeMouseMode(SDL_FALSE);
if(screen) SDL_SetWindowGrab(screen, SDL_FALSE);
cleargamma();
freeocta(worldroot);
UI::cleanup();
extern void clear_command(); clear_command();
extern void clear_console(); clear_console();
extern void clear_models(); clear_models();
extern void clear_sound(); clear_sound();
closelogfile();
#ifdef __APPLE__
if(screen) SDL_SetWindowFullscreen(screen, 0);
#endif
SDL_Quit();
}
extern void writeinitcfg();
void quit() // normal exit
{
writeinitcfg();
writeservercfg();
abortconnect();
disconnect();
localdisconnect();
writecfg();
cleanup();
exit(EXIT_SUCCESS);
}
void fatal(const char *s, ...) // failure exit
{
static int errors = 0;
errors++;
if(errors <= 2) // print up to one extra recursive error
{
defvformatstring(msg,s,s);
logoutf("%s", msg);
if(errors <= 1) // avoid recursion
{
if(SDL_WasInit(SDL_INIT_VIDEO))
{
SDL_ShowCursor(SDL_TRUE);
SDL_SetRelativeMouseMode(SDL_FALSE);
if(screen) SDL_SetWindowGrab(screen, SDL_FALSE);
cleargamma();
#ifdef __APPLE__
if(screen) SDL_SetWindowFullscreen(screen, 0);
#endif
}
SDL_Quit();
SDL_ShowSimpleMessageBox(SDL_MESSAGEBOX_ERROR, "OctaCore fatal error", msg, NULL);
}
}
exit(EXIT_FAILURE);
}
VAR(desktopw, 1, 0, 0);
VAR(desktoph, 1, 0, 0);
int screenw = 0, screenh = 0;
SDL_Window *screen = NULL;
SDL_GLContext glcontext = NULL;
int curtime = 0, lastmillis = 1, elapsedtime = 0, totalmillis = 1;
dynent *player = NULL;
int initing = NOT_INITING;
bool initwarning(const char *desc, int level, int type)
{
if(initing < level)
{
addchange(desc, type);
return true;
}
return false;
}
#define SCR_MINW 320
#define SCR_MINH 200
#define SCR_MAXW 10000
#define SCR_MAXH 10000
#define SCR_DEFAULTW 1024
#define SCR_DEFAULTH 768
VARFN(screenw, scr_w, SCR_MINW, -1, SCR_MAXW, initwarning("screen resolution"));
VARFN(screenh, scr_h, SCR_MINH, -1, SCR_MAXH, initwarning("screen resolution"));
void writeinitcfg()
{
stream *f = openutf8file("config/init.cfg", "w");
if(!f) return;
f->printf("// automatically written on exit, DO NOT MODIFY\n// modify settings in game\n");
extern int fullscreen;
f->printf("fullscreen %d\n", fullscreen);
f->printf("screenw %d\n", scr_w);
f->printf("screenh %d\n", scr_h);
extern int sound, soundchans, soundfreq, soundbufferlen;
f->printf("sound %d\n", sound);
f->printf("soundchans %d\n", soundchans);
f->printf("soundfreq %d\n", soundfreq);
f->printf("soundbufferlen %d\n", soundbufferlen);
delete f;
}
COMMAND(quit, "");
static void getbackgroundres(int &w, int &h)
{
float wk = 1, hk = 1;
if(w < 1024) wk = 1024.0f/w;
if(h < 768) hk = 768.0f/h;
wk = hk = max(wk, hk);
w = int(ceil(w*wk));
h = int(ceil(h*hk));
}
string backgroundcaption = "";
Texture *backgroundmapshot = NULL;
string backgroundmapname = "";
char *backgroundmapinfo = NULL;
void bgquad(float x, float y, float w, float h, float tx = 0, float ty = 0, float tw = 1, float th = 1)
{
gle::begin(GL_TRIANGLE_STRIP);
gle::attribf(x, y); gle::attribf(tx, ty);
gle::attribf(x+w, y); gle::attribf(tx + tw, ty);
gle::attribf(x, y+h); gle::attribf(tx, ty + th);
gle::attribf(x+w, y+h); gle::attribf(tx + tw, ty + th);
gle::end();
}
void renderbackgroundview(int w, int h, const char *caption, Texture *mapshot, const char *mapname, const char *mapinfo)
{
static int lastupdate = -1, lastw = -1, lasth = -1;
static float backgroundu = 0, backgroundv = 0;
if((renderedframe && !mainmenu && lastupdate != lastmillis) || lastw != w || lasth != h)
{
lastupdate = lastmillis;
lastw = w;
lasth = h;
backgroundu = rndscale(1);
backgroundv = rndscale(1);
}
else if(lastupdate != lastmillis) lastupdate = lastmillis;
hudmatrix.ortho(0, w, h, 0, -1, 1);
resethudmatrix();
resethudshader();
gle::defvertex(2);
gle::deftexcoord0();
settexture("media/interface/background.png", 0);
float bu = w*0.67f/256.0f, bv = h*0.67f/256.0f;
bgquad(0, 0, w, h, backgroundu, backgroundv, bu, bv);
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
settexture("media/interface/shadow.png", 3);
bgquad(0, 0, w, h);
glBlendFunc(GL_ONE, GL_ONE_MINUS_SRC_ALPHA);
float lh = 0.5f*min(w, h), lw = lh*2,
lx = 0.5f*(w - lw), ly = 0.5f*(h*0.5f - lh);
settexture((maxtexsize ? min(maxtexsize, hwtexsize) : hwtexsize) >= 1024 && (hudw > 1280 || hudh > 800) ? "<premul>media/interface/logo_1024.png" : "<premul>media/interface/logo.png", 3);
bgquad(lx, ly, lw, lh);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
if(caption)
{
int tw = text_width(caption);
float tsz = 0.04f*min(w, h)/FONTH,
tx = 0.5f*(w - tw*tsz), ty = h - 0.075f*1.5f*min(w, h) - FONTH*tsz;
pushhudtranslate(tx, ty, tsz);
draw_text(caption, 0, 0);
pophudmatrix();
}
if(mapshot || mapname)
{
float infowidth = 14*FONTH, sz = 0.35f*min(w, h), msz = (0.85f*min(w, h) - sz)/(infowidth + FONTH), x = 0.5f*w, y = ly+lh - sz/15, mx = 0, my = 0, mw = 0, mh = 0;
if(mapinfo)
{
text_boundsf(mapinfo, mw, mh, infowidth);
x -= 0.5f*mw*msz;
if(mapshot && mapshot!=notexture)
{
x -= 0.5f*FONTH*msz;
mx = sz + FONTH*msz;
}
}
if(mapshot && mapshot!=notexture)
{
x -= 0.5f*sz;
resethudshader();
glBindTexture(GL_TEXTURE_2D, mapshot->id);
bgquad(x, y, sz, sz);
}
if(mapname)
{
float tw = text_widthf(mapname), tsz = sz/(8*FONTH), tx = max(0.5f*(mw*msz - tw*tsz), 0.0f);
pushhudtranslate(x+mx+tx, y, tsz);
draw_text(mapname, 0, 0);
pophudmatrix();
my = 1.5f*FONTH*tsz;
}
if(mapinfo)
{
pushhudtranslate(x+mx, y+my, msz);
draw_text(mapinfo, 0, 0, 0xFF, 0xFF, 0xFF, 0xFF, -1, infowidth);
pophudmatrix();
}
}
glDisable(GL_BLEND);
}
VAR(menumute, 0, 1, 1);
void setbackgroundinfo(const char *caption = NULL, Texture *mapshot = NULL, const char *mapname = NULL, const char *mapinfo = NULL)
{
renderedframe = false;
copystring(backgroundcaption, caption ? caption : "");
backgroundmapshot = mapshot;
copystring(backgroundmapname, mapname ? mapname : "");
if(mapinfo != backgroundmapinfo)
{
DELETEA(backgroundmapinfo);
if(mapinfo) backgroundmapinfo = newstring(mapinfo);
}
}
void renderbackground(const char *caption, Texture *mapshot, const char *mapname, const char *mapinfo, bool force)
{
if(!inbetweenframes && !force) return;
if(menumute) stopsounds(); // stop sounds while loading
int w = hudw, h = hudh;
if(forceaspect) w = int(ceil(h*forceaspect));
getbackgroundres(w, h);
gettextres(w, h);
if(force)
{
renderbackgroundview(w, h, caption, mapshot, mapname, mapinfo);
return;
}
loopi(3)
{
renderbackgroundview(w, h, caption, mapshot, mapname, mapinfo);
swapbuffers(false);
}
setbackgroundinfo(caption, mapshot, mapname, mapinfo);
}
void restorebackground(int w, int h, bool force = false)
{
if(renderedframe)
{
if(!force) return;
setbackgroundinfo();
}
renderbackgroundview(w, h, backgroundcaption[0] ? backgroundcaption : NULL, backgroundmapshot, backgroundmapname[0] ? backgroundmapname : NULL, backgroundmapinfo);
}
float loadprogress = 0;
void renderprogressview(int w, int h, float bar, const char *text) // also used during loading
{
hudmatrix.ortho(0, w, h, 0, -1, 1);
resethudmatrix();
resethudshader();
gle::defvertex(2);
gle::deftexcoord0();
float fh = 0.060f*min(w, h), fw = fh*15,
fx = renderedframe ? w - fw - fh/4 : 0.5f*(w - fw),
fy = renderedframe ? fh/4 : h - fh*1.5f;
settexture("media/interface/loading_frame.png", 3);
bgquad(fx, fy, fw, fh);
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
float bw = fw*(512 - 2*8)/512.0f, bh = fh*20/32.0f,
bx = fx + fw*8/512.0f, by = fy + fh*6/32.0f,
su1 = 0/32.0f, su2 = 8/32.0f, sw = fw*8/512.0f,
eu1 = 24/32.0f, eu2 = 32/32.0f, ew = fw*8/512.0f,
mw = bw - sw - ew,
ex = bx+sw + max(mw*bar, fw*8/512.0f);
if(bar > 0)
{
settexture("media/interface/loading_bar.png", 3);
bgquad(bx, by, sw, bh, su1, 0, su2-su1, 1);
bgquad(bx+sw, by, ex-(bx+sw), bh, su2, 0, eu1-su2, 1);
bgquad(ex, by, ew, bh, eu1, 0, eu2-eu1, 1);
}
if(text)
{
int tw = text_width(text);
float tsz = bh*0.6f/FONTH;
if(tw*tsz > mw) tsz = mw/tw;
pushhudtranslate(bx+sw, by + (bh - FONTH*tsz)/2, tsz);
draw_text(text, 0, 0);
pophudmatrix();
}
glDisable(GL_BLEND);
}
VAR(progressbackground, 0, 0, 1);
void renderprogress(float bar, const char *text, bool background) // also used during loading
{
if(!inbetweenframes || drawtex) return;
extern int menufps, maxfps;
int fps = menufps ? (maxfps ? min(maxfps, menufps) : menufps) : maxfps;
if(fps)
{
static int lastprogress = 0;
int ticks = SDL_GetTicks(), diff = ticks - lastprogress;
if(bar > 0 && diff >= 0 && diff < (1000 + fps-1)/fps) return;
lastprogress = ticks;
}
clientkeepalive(); // make sure our connection doesn't time out while loading maps etc.
#ifdef __APPLE__
interceptkey(SDLK_UNKNOWN); // keep the event queue awake to avoid 'beachball' cursor
#endif
int w = hudw, h = hudh;
if(forceaspect) w = int(ceil(h*forceaspect));
getbackgroundres(w, h);
gettextres(w, h);
extern int mesa_swap_bug, curvsync;
bool forcebackground = progressbackground || (mesa_swap_bug && (curvsync || totalmillis==1));
if(background || forcebackground) restorebackground(w, h, forcebackground);
renderprogressview(w, h, bar, text);
swapbuffers(false);
}
VARNP(relativemouse, userelativemouse, 0, 1, 1);
bool shouldgrab = false, grabinput = false, minimized = false, canrelativemouse = true, relativemouse = false;
int keyrepeatmask = 0, textinputmask = 0;
Uint32 textinputtime = 0;
VAR(textinputfilter, 0, 5, 1000);
void keyrepeat(bool on, int mask)
{
if(on) keyrepeatmask |= mask;
else keyrepeatmask &= ~mask;
}
void textinput(bool on, int mask)
{
if(on)
{
if(!textinputmask)
{
SDL_StartTextInput();
textinputtime = SDL_GetTicks();
}
textinputmask |= mask;
}
else
{
textinputmask &= ~mask;
if(!textinputmask) SDL_StopTextInput();
}
}
void inputgrab(bool on)
{
if(on)
{
SDL_ShowCursor(SDL_FALSE);
if(canrelativemouse && userelativemouse)
{
if(SDL_SetRelativeMouseMode(SDL_TRUE) >= 0)
{
SDL_SetWindowGrab(screen, SDL_TRUE);
relativemouse = true;
}
else
{
SDL_SetWindowGrab(screen, SDL_FALSE);
canrelativemouse = false;
relativemouse = false;
}
}
}
else
{
SDL_ShowCursor(SDL_TRUE);
if(relativemouse)
{
SDL_SetRelativeMouseMode(SDL_FALSE);
SDL_SetWindowGrab(screen, SDL_FALSE);
relativemouse = false;
}
}
shouldgrab = false;
}
bool initwindowpos = false;
void setfullscreen(bool enable)
{
if(!screen) return;
//initwarning(enable ? "fullscreen" : "windowed");
SDL_SetWindowFullscreen(screen, enable ? SDL_WINDOW_FULLSCREEN_DESKTOP : 0);
if(!enable)
{
SDL_SetWindowSize(screen, scr_w, scr_h);
if(initwindowpos)
{
int winx = SDL_WINDOWPOS_CENTERED, winy = SDL_WINDOWPOS_CENTERED;
SDL_SetWindowPosition(screen, winx, winy);
initwindowpos = false;
}
}
}
#ifdef _DEBUG
VARF(fullscreen, 0, 0, 1, setfullscreen(fullscreen!=0));
#else
VARF(fullscreen, 0, 1, 1, setfullscreen(fullscreen!=0));
#endif
void screenres(int w, int h)
{
scr_w = clamp(w, SCR_MINW, SCR_MAXW);
scr_h = clamp(h, SCR_MINH, SCR_MAXH);
if(screen)
{
scr_w = min(scr_w, desktopw);
scr_h = min(scr_h, desktoph);
if(SDL_GetWindowFlags(screen) & SDL_WINDOW_FULLSCREEN) gl_resize();
else SDL_SetWindowSize(screen, scr_w, scr_h);
}
else
{
initwarning("screen resolution");
}
}
ICOMMAND(screenres, "ii", (int *w, int *h), screenres(*w, *h));
static void setgamma(int val)
{
if(screen && SDL_SetWindowBrightness(screen, val/100.0f) < 0) conoutf(CON_ERROR, "Could not set gamma: %s", SDL_GetError());
}
static int curgamma = 100;
VARFNP(gamma, reqgamma, 30, 100, 300,
{
if(initing || reqgamma == curgamma) return;
curgamma = reqgamma;
setgamma(curgamma);
});
void restoregamma()
{
if(initing || curgamma == 100) return;
setgamma(curgamma);
}
void cleargamma()
{
if(curgamma != 100 && screen) SDL_SetWindowBrightness(screen, 1.0f);
}
int curvsync = -1;
void restorevsync()
{
if(initing || !glcontext) return;
extern int vsync, vsynctear;
if(!SDL_GL_SetSwapInterval(vsync ? (vsynctear ? -1 : 1) : 0))
curvsync = vsync;
}
VARFP(vsync, 0, 0, 1, restorevsync());
VARFP(vsynctear, 0, 0, 1, { if(vsync) restorevsync(); });
VAR(dbgmodes, 0, 0, 1);
void setupscreen()
{
if(glcontext)
{
SDL_GL_DeleteContext(glcontext);
glcontext = NULL;
}
if(screen)
{
SDL_DestroyWindow(screen);
screen = NULL;
}
curvsync = -1;
SDL_Rect desktop;
if(SDL_GetDisplayBounds(0, &desktop) < 0) fatal("failed querying desktop bounds: %s", SDL_GetError());
desktopw = desktop.w;
desktoph = desktop.h;
if(scr_h < 0) scr_h = SCR_DEFAULTH;
if(scr_w < 0) scr_w = (scr_h*desktopw)/desktoph;
scr_w = min(scr_w, desktopw);
scr_h = min(scr_h, desktoph);
int winx = SDL_WINDOWPOS_UNDEFINED, winy = SDL_WINDOWPOS_UNDEFINED, winw = scr_w, winh = scr_h, flags = SDL_WINDOW_RESIZABLE;
if(fullscreen)
{
winw = desktopw;
winh = desktoph;
flags |= SDL_WINDOW_FULLSCREEN_DESKTOP;
initwindowpos = true;
}
SDL_GL_ResetAttributes();
SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1);
SDL_GL_SetAttribute(SDL_GL_STENCIL_SIZE, 0);
SDL_GL_SetAttribute(SDL_GL_DEPTH_SIZE, 0);
screen = SDL_CreateWindow("OctaForge", winx, winy, winw, winh, SDL_WINDOW_OPENGL | SDL_WINDOW_SHOWN | SDL_WINDOW_INPUT_FOCUS | SDL_WINDOW_MOUSE_FOCUS | flags);
if(!screen) fatal("failed to create OpenGL window: %s", SDL_GetError());
SDL_SetWindowMinimumSize(screen, SCR_MINW, SCR_MINH);
SDL_SetWindowMaximumSize(screen, SCR_MAXW, SCR_MAXH);
#ifdef __APPLE__
static const int glversions[] = { 32, 20 };
#else
static const int glversions[] = { 40, 33, 32, 31, 30, 20 };
#endif
loopi(sizeof(glversions)/sizeof(glversions[0]))
{
glcompat = glversions[i] <= 30 ? 1 : 0;
SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, glversions[i] / 10);
SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, glversions[i] % 10);
SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK, glversions[i] >= 32 ? SDL_GL_CONTEXT_PROFILE_CORE : 0);
glcontext = SDL_GL_CreateContext(screen);
if(glcontext) break;
}
if(!glcontext) fatal("failed to create OpenGL context: %s", SDL_GetError());
SDL_GetWindowSize(screen, &screenw, &screenh);
renderw = min(scr_w, screenw);
renderh = min(scr_h, screenh);
hudw = screenw;
hudh = screenh;
}
void resetgl()
{
clearchanges(CHANGE_GFX|CHANGE_SHADERS);
renderbackground("resetting OpenGL");
recorder::cleanup();
cleanupva();
cleanupparticles();
cleanupstains();
cleanupsky();
cleanupmodels();
cleanupprefabs();
cleanuptextures();
cleanupblendmap();
cleanuplights();
cleanupshaders();
cleanupgl();
setupscreen();
inputgrab(grabinput);
gl_init();
inbetweenframes = false;
if(!reloadtexture(*notexture) ||
!reloadtexture("<premul>media/interface/logo.png") ||
!reloadtexture("<premul>media/interface/logo_1024.png") ||
!reloadtexture("media/interface/background.png") ||
!reloadtexture("media/interface/shadow.png") ||
!reloadtexture("media/interface/mapshot_frame.png") ||
!reloadtexture("media/interface/loading_frame.png") ||
!reloadtexture("media/interface/loading_bar.png"))
fatal("failed to reload core texture");
reloadfonts();
inbetweenframes = true;
renderbackground("initializing...");
restoregamma();
restorevsync();
initgbuffer();
reloadshaders();
reloadtextures();
allchanged(true);
}
COMMAND(resetgl, "");
vector<SDL_Event> events;
void pushevent(const SDL_Event &e)
{
events.add(e);
}
static bool filterevent(const SDL_Event &event)
{
switch(event.type)
{
case SDL_MOUSEMOTION:
if(grabinput && !relativemouse && !(SDL_GetWindowFlags(screen) & SDL_WINDOW_FULLSCREEN))
{
if(event.motion.x == screenw / 2 && event.motion.y == screenh / 2)
return false; // ignore any motion events generated by SDL_WarpMouse
#ifdef __APPLE__
if(event.motion.y == 0)
return false; // let mac users drag windows via the title bar
#endif
}
break;
}
return true;
}
static inline bool pollevent(SDL_Event &event)
{
while(SDL_PollEvent(&event))
{
if(filterevent(event)) return true;
}
return false;
}
bool interceptkey(int sym)
{
static int lastintercept = SDLK_UNKNOWN;
int len = lastintercept == sym ? events.length() : 0;
SDL_Event event;
while(pollevent(event))
{
switch(event.type)
{
case SDL_MOUSEMOTION: break;
default: pushevent(event); break;
}
}
lastintercept = sym;
if(sym != SDLK_UNKNOWN) for(int i = len; i < events.length(); i++)
{
if(events[i].type == SDL_KEYDOWN && events[i].key.keysym.sym == sym) { events.remove(i); return true; }
}
return false;
}
static void ignoremousemotion()
{
SDL_Event e;
SDL_PumpEvents();
while(SDL_PeepEvents(&e, 1, SDL_GETEVENT, SDL_MOUSEMOTION, SDL_MOUSEMOTION));
}
static void resetmousemotion()
{
if(grabinput && !relativemouse && !(SDL_GetWindowFlags(screen) & SDL_WINDOW_FULLSCREEN))
{
SDL_WarpMouseInWindow(screen, screenw / 2, screenh / 2);
}
}
static void checkmousemotion(int &dx, int &dy)
{
loopv(events)
{
SDL_Event &event = events[i];
if(event.type != SDL_MOUSEMOTION)
{
if(i > 0) events.remove(0, i);
return;
}
dx += event.motion.xrel;
dy += event.motion.yrel;
}
events.setsize(0);
SDL_Event event;
while(pollevent(event))
{
if(event.type != SDL_MOUSEMOTION)
{
events.add(event);
return;
}
dx += event.motion.xrel;
dy += event.motion.yrel;
}
}
void checkinput()
{
SDL_Event event;
//int lasttype = 0, lastbut = 0;
bool mousemoved = false;
while(events.length() || pollevent(event))
{
if(events.length()) event = events.remove(0);
switch(event.type)
{
case SDL_QUIT:
quit();
return;
case SDL_TEXTINPUT:
if(textinputmask && int(event.text.timestamp-textinputtime) >= textinputfilter)
{
uchar buf[SDL_TEXTINPUTEVENT_TEXT_SIZE+1];
size_t len = decodeutf8(buf, sizeof(buf)-1, (const uchar *)event.text.text, strlen(event.text.text));
if(len > 0) { buf[len] = '\0'; processtextinput((const char *)buf, len); }
}
break;
case SDL_KEYDOWN:
case SDL_KEYUP:
if(keyrepeatmask || !event.key.repeat)
processkey(event.key.keysym.sym, event.key.state==SDL_PRESSED);
break;
case SDL_WINDOWEVENT:
switch(event.window.event)
{
case SDL_WINDOWEVENT_CLOSE:
quit();
break;
case SDL_WINDOWEVENT_FOCUS_GAINED:
shouldgrab = true;
break;
case SDL_WINDOWEVENT_ENTER:
inputgrab(grabinput = true);
break;
case SDL_WINDOWEVENT_LEAVE:
case SDL_WINDOWEVENT_FOCUS_LOST:
inputgrab(grabinput = false);
break;
case SDL_WINDOWEVENT_MINIMIZED:
minimized = true;
break;
case SDL_WINDOWEVENT_MAXIMIZED:
case SDL_WINDOWEVENT_RESTORED:
minimized = false;
break;
case SDL_WINDOWEVENT_RESIZED:
break;
case SDL_WINDOWEVENT_SIZE_CHANGED:
SDL_GetWindowSize(screen, &screenw, &screenh);
if(!(SDL_GetWindowFlags(screen) & SDL_WINDOW_FULLSCREEN))
{
scr_w = clamp(screenw, SCR_MINW, SCR_MAXW);
scr_h = clamp(screenh, SCR_MINH, SCR_MAXH);
}
gl_resize();
break;
}
break;
case SDL_MOUSEMOTION:
if(grabinput)
{
int dx = event.motion.xrel, dy = event.motion.yrel;
checkmousemotion(dx, dy);
if(!UI::movecursor(dx, dy)) mousemove(dx, dy);
mousemoved = true;
}
else if(shouldgrab) inputgrab(grabinput = true);
break;
case SDL_MOUSEBUTTONDOWN:
case SDL_MOUSEBUTTONUP:
//if(lasttype==event.type && lastbut==event.button.button) break; // why?? get event twice without it
switch(event.button.button)
{
case SDL_BUTTON_LEFT: processkey(-1, event.button.state==SDL_PRESSED); break;
case SDL_BUTTON_MIDDLE: processkey(-2, event.button.state==SDL_PRESSED); break;
case SDL_BUTTON_RIGHT: processkey(-3, event.button.state==SDL_PRESSED); break;
case SDL_BUTTON_X1: processkey(-6, event.button.state==SDL_PRESSED); break;
case SDL_BUTTON_X2: processkey(-7, event.button.state==SDL_PRESSED); break;
}
//lasttype = event.type;
//lastbut = event.button.button;
break;
case SDL_MOUSEWHEEL:
if(event.wheel.y > 0) { processkey(-4, true); processkey(-4, false); }
else if(event.wheel.y < 0) { processkey(-5, true); processkey(-5, false); }
break;
}
}
if(mousemoved) resetmousemotion();
}
void swapbuffers(bool overlay)
{
recorder::capture(overlay);
gle::disable();
SDL_GL_SwapWindow(screen);
}
VAR(menufps, 0, 60, 1000);
VARP(maxfps, 0, 125, 1000);
void limitfps(int &millis, int curmillis)
{
int limit = (mainmenu || minimized) && menufps ? (maxfps ? min(maxfps, menufps) : menufps) : maxfps;
if(!limit) return;
static int fpserror = 0;
int delay = 1000/limit - (millis-curmillis);
if(delay < 0) fpserror = 0;
else
{
fpserror += 1000%limit;
if(fpserror >= limit)
{
++delay;
fpserror -= limit;
}
if(delay > 0)
{
SDL_Delay(delay);
millis += delay;
}
}
}
#ifdef WIN32
// Force Optimus setups to use the NVIDIA GPU
extern "C"
{
#ifdef __GNUC__
__attribute__((dllexport))
#else
__declspec(dllexport)
#endif
DWORD NvOptimusEnablement = 1;
#ifdef __GNUC__
__attribute__((dllexport))
#else
__declspec(dllexport)
#endif
DWORD AmdPowerXpressRequestHighPerformance = 1;
}
#endif
#if defined(WIN32) && !defined(_DEBUG) && !defined(__GNUC__)
void stackdumper(unsigned int type, EXCEPTION_POINTERS *ep)
{
if(!ep) fatal("unknown type");
EXCEPTION_RECORD *er = ep->ExceptionRecord;
CONTEXT *context = ep->ContextRecord;
char out[512];
formatstring(out, "OctaCore Win32 Exception: 0x%x [0x%x]\n\n", er->ExceptionCode, er->ExceptionCode==EXCEPTION_ACCESS_VIOLATION ? er->ExceptionInformation[1] : -1);
SymInitialize(GetCurrentProcess(), NULL, TRUE);
#ifdef _AMD64_
STACKFRAME64 sf = {{context->Rip, 0, AddrModeFlat}, {}, {context->Rbp, 0, AddrModeFlat}, {context->Rsp, 0, AddrModeFlat}, 0};
while(::StackWalk64(IMAGE_FILE_MACHINE_AMD64, GetCurrentProcess(), GetCurrentThread(), &sf, context, NULL, ::SymFunctionTableAccess, ::SymGetModuleBase, NULL))
{
union { IMAGEHLP_SYMBOL64 sym; char symext[sizeof(IMAGEHLP_SYMBOL64) + sizeof(string)]; };
sym.SizeOfStruct = sizeof(sym);
sym.MaxNameLength = sizeof(symext) - sizeof(sym);
IMAGEHLP_LINE64 line;
line.SizeOfStruct = sizeof(line);
DWORD64 symoff;
DWORD lineoff;
if(SymGetSymFromAddr64(GetCurrentProcess(), sf.AddrPC.Offset, &symoff, &sym) && SymGetLineFromAddr64(GetCurrentProcess(), sf.AddrPC.Offset, &lineoff, &line))
#else
STACKFRAME sf = {{context->Eip, 0, AddrModeFlat}, {}, {context->Ebp, 0, AddrModeFlat}, {context->Esp, 0, AddrModeFlat}, 0};
while(::StackWalk(IMAGE_FILE_MACHINE_I386, GetCurrentProcess(), GetCurrentThread(), &sf, context, NULL, ::SymFunctionTableAccess, ::SymGetModuleBase, NULL))
{
union { IMAGEHLP_SYMBOL sym; char symext[sizeof(IMAGEHLP_SYMBOL) + sizeof(string)]; };
sym.SizeOfStruct = sizeof(sym);
sym.MaxNameLength = sizeof(symext) - sizeof(sym);
IMAGEHLP_LINE line;
line.SizeOfStruct = sizeof(line);
DWORD symoff, lineoff;
if(SymGetSymFromAddr(GetCurrentProcess(), sf.AddrPC.Offset, &symoff, &sym) && SymGetLineFromAddr(GetCurrentProcess(), sf.AddrPC.Offset, &lineoff, &line))
#endif
{
char *del = strrchr(line.FileName, '\\');
concformatstring(out, "%s - %s [%d]\n", sym.Name, del ? del + 1 : line.FileName, line.LineNumber);
}
}
fatal(out);
}
#endif
#define MAXFPSHISTORY 60
int fpspos = 0, fpshistory[MAXFPSHISTORY];
void resetfpshistory()
{
loopi(MAXFPSHISTORY) fpshistory[i] = 1;
fpspos = 0;
}
void updatefpshistory(int millis)
{
fpshistory[fpspos++] = max(1, min(1000, millis));
if(fpspos>=MAXFPSHISTORY) fpspos = 0;
}
void getframemillis(float &avg, float &bestdiff, float &worstdiff)
{
int total = fpshistory[MAXFPSHISTORY-1], best = total, worst = total;
loopi(MAXFPSHISTORY-1)
{
int millis = fpshistory[i];
total += millis;
if(millis < best) best = millis;
if(millis > worst) worst = millis;
}
avg = total/float(MAXFPSHISTORY);
best = best - avg;
worstdiff = avg - worst;
}
void getfps(int &fps, int &bestdiff, int &worstdiff)
{
int total = fpshistory[MAXFPSHISTORY-1], best = total, worst = total;
loopi(MAXFPSHISTORY-1)
{
int millis = fpshistory[i];
total += millis;
if(millis < best) best = millis;
if(millis > worst) worst = millis;
}
fps = (1000*MAXFPSHISTORY)/total;
bestdiff = 1000/best-fps;
worstdiff = fps-1000/worst;
}
void getfps_(int *raw)
{
if(*raw) floatret(1000.0f/fpshistory[(fpspos+MAXFPSHISTORY-1)%MAXFPSHISTORY]);
else
{
int fps, bestdiff, worstdiff;
getfps(fps, bestdiff, worstdiff);
intret(fps);
}
}
COMMANDN(getfps, getfps_, "i");
bool inbetweenframes = false, renderedframe = true;
static bool findarg(int argc, char **argv, const char *str)
{
for(int i = 1; i<argc; i++) if(strstr(argv[i], str)==argv[i]) return true;
return false;
}
static int clockrealbase = 0, clockvirtbase = 0;
static void clockreset() { clockrealbase = SDL_GetTicks(); clockvirtbase = totalmillis; }
VARFP(clockerror, 990000, 1000000, 1010000, clockreset());
VARFP(clockfix, 0, 0, 1, clockreset());
int getclockmillis()
{
int millis = SDL_GetTicks() - clockrealbase;
if(clockfix) millis = int(millis*(double(clockerror)/1000000));
millis += clockvirtbase;
return max(millis, totalmillis);
}
VAR(numcpus, 1, 1, 16);
int main(int argc, char **argv)
{
#ifdef WIN32
//atexit((void (__cdecl *)(void))_CrtDumpMemoryLeaks);
#ifndef _DEBUG
#ifndef __GNUC__
__try {
#endif
#endif
#endif
setlogfile(NULL);
int dedicated = 0;
char *load = NULL, *initscript = NULL;
initing = INIT_RESET;
// set home dir first
for(int i = 1; i<argc; i++) if(argv[i][0]=='-' && argv[i][1] == 'u') { sethomedir(&argv[i][2]); break; }
// set log after home dir, but before anything else
for(int i = 1; i<argc; i++) if(argv[i][0]=='-' && argv[i][1] == 'g')
{
const char *file = argv[i][2] ? &argv[i][2] : "log.txt";
setlogfile(file);
logoutf("Setting log file: %s", file);
break;
}
execfile("config/init.cfg", false);
for(int i = 1; i<argc; i++)
{
if(argv[i][0]=='-') switch(argv[i][1])
{
case 'u': if(homedir[0]) logoutf("Using home directory: %s", homedir); break;
case 'k':
{
const char *dir = addpackagedir(&argv[i][2]);
if(dir) logoutf("Adding package directory: %s", dir);
break;
}
case 'g': break;
case 'd': dedicated = atoi(&argv[i][2]); if(dedicated<=0) dedicated = 2; break;
case 'w': scr_w = clamp(atoi(&argv[i][2]), SCR_MINW, SCR_MAXW); if(!findarg(argc, argv, "-h")) scr_h = -1; break;
case 'h': scr_h = clamp(atoi(&argv[i][2]), SCR_MINH, SCR_MAXH); if(!findarg(argc, argv, "-w")) scr_w = -1; break;
case 'f': fullscreen = atoi(&argv[i][2]); break;
case 'l':
{
char pkgdir[] = "media/";
load = strstr(path(&argv[i][2]), path(pkgdir));
if(load) load += sizeof(pkgdir)-1;
else load = &argv[i][2];
break;
}
case 'x': initscript = &argv[i][2]; break;
default: if(!serveroption(argv[i])) gameargs.add(argv[i]); break;
}
else gameargs.add(argv[i]);
}
numcpus = clamp(SDL_GetCPUCount(), 1, 16);
if(dedicated <= 1)
{
logoutf("init: sdl");
if(SDL_Init(SDL_INIT_TIMER|SDL_INIT_VIDEO|SDL_INIT_AUDIO)<0) fatal("Unable to initialize SDL: %s", SDL_GetError());
}
logoutf("init: net");
if(enet_initialize()<0) fatal("Unable to initialise network module");
atexit(enet_deinitialize);
enet_time_set(0);
logoutf("init: game");
game::parseoptions(gameargs);
initserver(dedicated>0, dedicated>1); // never returns if dedicated
ASSERT(dedicated <= 1);
game::initclient();
logoutf("init: video");
SDL_SetHint(SDL_HINT_GRAB_KEYBOARD, "0");
#if !defined(WIN32) && !defined(__APPLE__)
SDL_SetHint(SDL_HINT_VIDEO_MINIMIZE_ON_FOCUS_LOSS, "0");
#endif
setupscreen();
SDL_ShowCursor(SDL_FALSE);
SDL_StopTextInput(); // workaround for spurious text-input events getting sent on first text input toggle?
logoutf("init: gl");
gl_checkextensions();
gl_init();
notexture = textureload("media/texture/game/notexture.png");
if(!notexture) fatal("could not find core textures");
logoutf("init: console");
if(!execfile("config/stdlib.cfg", false)) fatal("cannot find data files (you are running from the wrong folder, try .bat file in the main folder)"); // this is the first file we load.
if(!execfile("config/font.cfg", false)) fatal("cannot find font definitions");
if(!setfont("default")) fatal("no default font specified");
UI::setup();
inbetweenframes = true;
renderbackground("initializing...");
logoutf("init: world");
camera1 = player = game::iterdynents(0);
emptymap(0, true, NULL, false);
logoutf("init: sound");
initsound();
logoutf("init: cfg");
initing = INIT_LOAD;
execfile("config/keymap.cfg");
execfile("config/stdedit.cfg");
execfile(game::gameconfig());
execfile("config/sound.cfg");
execfile("config/ui.cfg");
execfile("config/heightmap.cfg");
execfile("config/blendbrush.cfg");
if(game::savedservers()) execfile(game::savedservers(), false);
identflags |= IDF_PERSIST;
if(!execfile(game::savedconfig(), false))
{
execfile(game::defaultconfig());
writecfg(game::restoreconfig());
}
execfile(game::autoexec(), false);
identflags &= ~IDF_PERSIST;
initing = INIT_GAME;
game::loadconfigs();
initing = NOT_INITING;
logoutf("init: render");
restoregamma();
restorevsync();
initgbuffer();
loadshaders();
initparticles();
initstains();
identflags |= IDF_PERSIST;
logoutf("init: mainloop");
if(execfile("once.cfg", false)) remove(findfile("once.cfg", "rb"));
if(load)
{
logoutf("init: localconnect");
//localconnect();
game::changemap(load);
}
if(initscript) execute(initscript);
initmumble();
resetfpshistory();
inputgrab(grabinput = true);
ignoremousemotion();
for(;;)
{
static int frames = 0;
int millis = getclockmillis();
limitfps(millis, totalmillis);
elapsedtime = millis - totalmillis;
static int timeerr = 0;
int scaledtime = game::scaletime(elapsedtime) + timeerr;
curtime = scaledtime/100;
timeerr = scaledtime%100;
if(!multiplayer(false) && curtime>200) curtime = 200;
if(game::ispaused()) curtime = 0;
lastmillis += curtime;
totalmillis = millis;
updatetime();
checkinput();
UI::update();
menuprocess();
tryedit();
if(lastmillis) game::updateworld();
checksleep(lastmillis);
serverslice(false, 0);
if(frames) updatefpshistory(elapsedtime);
frames++;
// miscellaneous general game effects
recomputecamera();
updateparticles();
updatesounds();
if(minimized) continue;
gl_setupframe(!mainmenu);
inbetweenframes = false;
gl_drawframe();
swapbuffers();
renderedframe = inbetweenframes = true;
}
ASSERT(0);
return EXIT_FAILURE;
#if defined(WIN32) && !defined(_DEBUG) && !defined(__GNUC__)
} __except(stackdumper(0, GetExceptionInformation()), EXCEPTION_CONTINUE_SEARCH) { return 0; }
#endif
}
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