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#include <stdio.h>
#include <X11/X.h>
#include <X11/keysym.h>
#include <GL/gl.h>
#include <GL/glx.h>
#include <sys/time.h>
#include <zoom/init.h>
#include <zoom/render.h>
#include <zoom/player.h>
Display *disp;
Window wnd;
Atom windele;
int running;
int fullscreen = 0;
static int attributeList[] = {GLX_RGBA, GLX_DOUBLEBUFFER, GLX_DEPTH_SIZE, 1, None};
GLXContext gc;
extern int input;
int main();
void GLXinit();
void GLXinit() {
char *str = "Zoom";
XTextProperty name;
XSizeHints shints;
XClassHint chint;
XVisualInfo *vi;
Colormap cmap;
XSetWindowAttributes swa;
Pixmap pixmap;
Cursor cursor;
XColor color;
vi = glXChooseVisual(disp, DefaultScreen(disp), attributeList);
cmap = XCreateColormap(disp, RootWindow(disp, vi->screen), vi->visual, AllocNone);
swa.colormap = cmap;
swa.border_pixel = 0;
swa.event_mask = PointerMotionMask | KeyPressMask | KeyReleaseMask | ButtonPressMask | ButtonReleaseMask;
wnd = XCreateWindow(disp, RootWindow(disp, vi->screen), 0, 0, 640, 480, 0, vi->depth, InputOutput,
vi->visual, CWBorderPixel|CWColormap|CWEventMask, &swa);
chint.res_name = "Zoom";
chint.res_class = "zoom";
XSetClassHint(disp, wnd, &chint);
shints.flags = PMaxSize | PMinSize;
shints.min_width = 640;
shints.min_height = 480;
shints.max_width = 640;
shints.max_height = 480;
XSetWMNormalHints(disp, wnd, &shints);
if (XStringListToTextProperty(&str, 1, &name) != 0)
{
XSetWMName(disp, wnd, &name);
XFree(name.value);
}
windele = XInternAtom(disp, "WM_DELETE_WINDOW", False);
XSetWMProtocols(disp, wnd, &windele, 1);
XMapWindow(disp, wnd);
color.pixel = WhitePixel(disp, vi->screen);
XQueryColor(disp, cmap, &color);
pixmap = XCreatePixmap(disp, wnd, 1, 1, 1);
cursor = XCreatePixmapCursor(disp, pixmap, pixmap, &color, &color, 0, 0);
XFreePixmap(disp, pixmap);
XDefineCursor(disp, wnd, cursor);
XGrabPointer(disp, wnd, False, PointerMotionMask | ButtonPressMask | ButtonReleaseMask, GrabModeAsync, GrabModeAsync, wnd, None, CurrentTime);
XWarpPointer(disp, None, wnd, 0, 0, 0, 0, 320, 240);
gc = glXCreateContext(disp, vi, NULL, True);
glXMakeCurrent(disp, wnd, gc);
XFree(vi);
XSync(disp, 0);
}
int main() {
unsigned long ticks, delta = 0;
struct timeval tv;
XEvent event;
unsigned long frames = 0, tocks = 0;
disp = XOpenDisplay(0);
GLXinit();
running = InitGame();
gettimeofday(&tv, NULL);
ticks = tv.tv_usec;
while(running) {
while(XPending(disp)) {
XNextEvent(disp, &event);
switch(event.type) {
case ClientMessage:
if(event.xclient.data.l[0] == windele) running = 0;
break;
case ButtonPress:
input |= INPUT_OPEN;
break;
case ButtonRelease:
if(event.xbutton.button == Button2) input &= ~INPUT_OPEN;
break;
case MotionNotify:
if(event.xmotion.x == 320 && event.xmotion.y == 240) break;
MouseInput(event.xmotion.x - 320, event.xmotion.y - 240);
XWarpPointer(disp, None, wnd, 0, 0, 0, 0, 320, 240);
break;
case KeyPress:
switch(XKeycodeToKeysym(disp, event.xkey.keycode, 0)) {
case XK_Up: case XK_w: input |= INPUT_UP; break;
case XK_Down: case XK_s: input |= INPUT_DOWN; break;
case XK_Right: case XK_d: input |= INPUT_RIGHT; break;
case XK_Left: case XK_a: input |= INPUT_LEFT; break;
case XK_space: input |= INPUT_OPEN; break;
case XK_Escape: running = 0; break;
}
break;
case KeyRelease:
switch(XKeycodeToKeysym(disp, event.xkey.keycode, 0)) {
case XK_Up: case XK_w: input &= ~INPUT_UP; break;
case XK_Down: case XK_s: input &= ~INPUT_DOWN; break;
case XK_Right: case XK_d: input &= ~INPUT_RIGHT; break;
case XK_Left: case XK_a: input &= ~INPUT_LEFT; break;
case XK_space: input &= ~INPUT_OPEN; break;
}
}
}
if(!running) break;
DoInput(delta);
Render();
glXSwapBuffers(disp, wnd);
XSync(disp, 0);
gettimeofday(&tv, NULL);
delta = ((tv.tv_usec + 1000000 - ticks)%1000000)/1000;
ticks = (ticks + delta*1000) % 1000000;
frames++;
tocks += delta*1000;
if(tocks > 1000000) {
fprintf(stderr, "%lu\n", frames);
frames = 0;
tocks -= 1000000;
}
}
UninitGame();
XUngrabPointer(disp, CurrentTime);
XDestroyWindow(disp, wnd);
glXDestroyContext(disp, gc);
XCloseDisplay(disp);
return 0;
}
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