Files
OpenArena/src/linux.cpp
2005-06-26 08:47:48 -04:00

656 lines
19 KiB
C++

////////////////////////////////////////////////////////////////////////////////
//
// Module: linux.cpp
// Author: Tom Hicks
// Creation: 09-01-2003
// LastEdit: 06-19-2005
// Editors: Tom Hicks
//
// Purpose:
// To implement the OpenArena SDK.
//
// Summary of Methods:
// Global
// -InitControls()
// Loads the defaultPlayer's configuration.
// -InitGL()
// Initializes OpenGL and is responsible for loading textures.
// -ResizeGLScene(GLsizei width, GLsizei height)
// Resizes the viewport to the current size of the visible area of the window specified by width and height.
// -KillGLWindow()
// Closes the window.
// -CreateGLWindow(string title, int width, int height, int bits, bool fullscreenflag)
// Creates the window with the specified parameters.
// -WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nCmdShow)
// Main procedure.
// -WndProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
// Window Procedure for the OpenGL window.
//
////////////////////////////////////////////////////////////////////////////////
#ifdef __linux
//include necessary header files
#include "../include/main.h"
#include "../include/version.h"
using namespace std;
void InitControls();
int InitGL();
void KillGLWindow();
static int attrListSgl[] = {GLX_RGBA, GLX_RED_SIZE, 4, GLX_GREEN_SIZE, 4, GLX_BLUE_SIZE, 4, GLX_DEPTH_SIZE, 16, None};
static int attrListDbl[] = {GLX_RGBA, GLX_DOUBLEBUFFER, GLX_RED_SIZE, 4, GLX_GREEN_SIZE, 4, GLX_BLUE_SIZE, 4, GLX_DEPTH_SIZE, 16, None};
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// Function Definitions
void ResizeGLScene(GLsizei width, GLsizei height)
{
if(height == 0)
height = 1;
glViewport(0,0,width, height);
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
gluPerspective(45.0f, (GLfloat)width/height, 0.1f, 100.0f);
glMatrixMode(GL_MODELVIEW);
}
int DrawGLScene()
{
level.Render();
//Maybe this should be integrated into the Window class
if(g_Screen.doubleBuffered)
{
glXSwapBuffers(g_Screen.display, g_Screen.window);
}
return true;
}
//
//void InitControls()
// Purpose:
// Initializes controls by loading the default control config file "my.cfg".
void InitControls()
{
if (!level.LoadConfig("my.cfg"))
level.LoadConfig();
}
//
//int InitGL(GLvoid)
// Purpose:
// To do all required setup before creating an OpenGL window
int InitGL(GLvoid)
{
level.LoadGLTextures();
glEnable(GL_TEXTURE_2D);
glShadeModel(GL_SMOOTH);
glClearColor(0.0f, 0.0f, 0.0f, 0.0f);
glClearDepth(1.0f);
glEnable(GL_DEPTH_TEST);
glDepthFunc(GL_LEQUAL);
glBlendFunc(GL_SRC_ALPHA, GL_ONE);
glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST);
/*lighting disabled temporarily
glLightfv(GL_LIGHT1, GL_AMBIENT, level.LightAmbient);
for(index=0; index<level.numLights; index++)
{
glLightfv(GL_LIGHT1, GL_DIFFUSE, level.light[index].color);
glLightfv(GL_LIGHT1, GL_POSITION, level.light[index].coords);
}
glEnable(GL_LIGHT1);
glEnable(GL_LIGHTING);
*/
//BuildFont();
return true;
}
//
//void KillGLWindow()
// Purpose:
// To do all required setup before creating an OpenGL window
void KillGLWindow()
{
if(g_Screen.hRC)
{
if(!glXMakeCurrent(g_Screen.display, None, NULL))
{
printf("Could not release drawing context.\n");
}
glXDestroyContext(g_Screen.display, g_Screen.hRC);
g_Screen.hRC = NULL;
}
if(g_Screen.fullscreen)
{
XF86VidModeSwitchToMode(g_Screen.display, g_Screen.screen, &g_Screen.vidMode);
XF86VidModeSetViewPort(g_Screen.display, g_Screen.screen, 0, 0);
}
XCloseDisplay(g_Screen.display);
}
//
//bool CreateGLWindow(string title, int width, int height, int bits, bool fullscreenflag)
// Purpose:
//
bool CreateGLWindow(string title, int width, int height, int bits, bool fullscreenflag)
{
XVisualInfo* vi;
Colormap cmap;
int bestMode = 0;
int vidModeMajorVersion;
int vidModeMinorVersion;
int glxMajorVersion;
int glxMinorVersion;
int modeNum;
XF86VidModeModeInfo** modes;
Atom wmDelete;
Window winDummy;
unsigned int borderDummy;
g_Screen.name = title;
g_Screen.width = width;
g_Screen.height = height;
g_Screen.bpp = bits;
g_Screen.fullscreen = fullscreenflag;
g_Screen.display = XOpenDisplay(0);
g_Screen.screen = DefaultScreen(g_Screen.display);
XF86VidModeQueryVersion(g_Screen.display, &vidModeMajorVersion, &vidModeMinorVersion);
printf("XF86VidModeExtension-Version %d.%d\n", vidModeMajorVersion, vidModeMinorVersion);
XF86VidModeGetAllModeLines(g_Screen.display, g_Screen.screen, &modeNum, &modes);
g_Screen.vidMode = *modes[0];
int i;
for(i=0; i<modeNum; i++)
{
//Add a check for colordepth here
if((modes[i]->hdisplay == width) && (modes[i]->vdisplay == height))
{
bestMode = i;
}
}
vi = glXChooseVisual(g_Screen.display, g_Screen.screen, attrListDbl);
if(vi == NULL)
{
vi = glXChooseVisual(g_Screen.display, g_Screen.screen, attrListSgl);
g_Screen.doubleBuffered = false;
printf("Only Singlebuffered Visual!\n");
}
else
{
g_Screen.doubleBuffered = true;
printf("Got Doublebuffered Visual!\n");
}
glXQueryVersion(g_Screen.display, &glxMajorVersion, & glxMinorVersion);
printf("glX-Version %d.%d\n", glxMajorVersion, glxMinorVersion);
g_Screen.hRC = glXCreateContext(g_Screen.display, vi, 0, GL_TRUE);
cmap = XCreateColormap(g_Screen.display, RootWindow(g_Screen.display, vi->screen), vi->visual, AllocNone);
g_Screen.attributes.colormap = cmap;
g_Screen.attributes.border_pixel = 0;
if(g_Screen.fullscreen)
{
XF86VidModeSwitchToMode(g_Screen.display, g_Screen.screen, modes[bestMode]);
XF86VidModeSetViewPort(g_Screen.display, g_Screen.screen, 0, 0);
XFree(modes);
g_Screen.attributes.override_redirect = true;
g_Screen.attributes.event_mask = ExposureMask | KeyPressMask | ButtonPressMask | StructureNotifyMask;
g_Screen.window = XCreateWindow(g_Screen.display, RootWindow(g_Screen.display, vi->screen), 0, 0, width, height, 0, vi->depth, InputOutput, vi->visual, CWBorderPixel | CWColormap | CWEventMask | CWOverrideRedirect, &g_Screen.attributes);
XWarpPointer(g_Screen.display, None, g_Screen.window, 0, 0, 0, 0, 0, 0);
XMapRaised(g_Screen.display, g_Screen.window);
XGrabKeyboard(g_Screen.display, g_Screen.window, true, GrabModeAsync, GrabModeAsync, CurrentTime);
XGrabPointer(g_Screen.display, g_Screen.window, true, ButtonPressMask, GrabModeAsync, GrabModeAsync, g_Screen.window, None, CurrentTime);
}
else
{
g_Screen.attributes.event_mask = ExposureMask | KeyPressMask | ButtonPressMask | StructureNotifyMask;
g_Screen.window = XCreateWindow(g_Screen.display, RootWindow(g_Screen.display, vi->screen), 0, 0, width, height, 0, vi->depth, InputOutput, vi->visual, CWBorderPixel | CWColormap | CWEventMask, &g_Screen.attributes);
wmDelete = XInternAtom(g_Screen.display, "WM_DELETE_WINDOW", true);
XSetWMProtocols(g_Screen.display, g_Screen.window, &wmDelete, 1);
XSetStandardProperties(g_Screen.display, g_Screen.window, title.c_str(), title.c_str(), None, NULL, 0, NULL);
XMapRaised(g_Screen.display, g_Screen.window);
}
glXMakeCurrent(g_Screen.display, g_Screen.window, g_Screen.hRC);
unsigned int twidth, theight, depth;
XGetGeometry(g_Screen.display, g_Screen.window, &winDummy, &g_Screen.x, &g_Screen.y, &twidth, &theight, &borderDummy, &depth);
g_Screen.bpp = (char)depth;
g_Screen.height = (short)twidth;
g_Screen.width = (short)theight;
printf("Depth %d\n", g_Screen.bpp);
if(glXIsDirect(g_Screen.display, g_Screen.hRC))
{
printf("Congrats, you have Direct Rendering!\n");
}
else
{
printf("Sorry, no Direct Rendering possible!\n");
}
InitGL();
return true;
}
int main(int argc, char** argv)
{
XEvent event;
bool done = false;
string commandLine = "";
int i;
for(i=1; i<argc; i++)
{
commandLine = commandLine + " " + argv[i];
}
level.ParseCmds(commandLine.c_str());
InitControls();
level.glFont.SetScreenDimensions(level.screen.width*2, level.screen.height*2);
if(level.nextLevel == "")
{
level.LoadMap("intro.map");
}
else
{
level.LoadMap();
}
//Hack for now
if(level.screen.bpp == 32)
{
level.screen.bpp = 24;
}
if(!CreateGLWindow(OPENARENA_VERSION, level.screen.width, level.screen.height, level.screen.bpp, level.screen.fullscreen))
{
return 1;
}
while(!done)
{
while(XPending(g_Screen.display) > 0)
{
//Equivalent of WNDPROC
XNextEvent(g_Screen.display, &event);
switch(event.type)
{
case Expose:
if(event.xexpose.count != 0)
{
break;
}
DrawGLScene();
break;
case ConfigureNotify:
if((event.xconfigure.width != g_Screen.width) || (event.xconfigure.height != g_Screen.height))
{
g_Screen.width = event.xconfigure.width;
g_Screen.height = event.xconfigure.height;
printf("Resize event\n");
ResizeGLScene(event.xconfigure.width, event.xconfigure.height);
}
break;
case ButtonPress:
done = true;
break;
case KeyPress:
if(XLookupKeysym(&event.xkey, 0) == XK_Escape)
{
done = true;
}
if(XLookupKeysym(&event.xkey, 0) == XK_F1)
{
KillGLWindow();
g_Screen.fullscreen = !g_Screen.fullscreen;
CreateGLWindow("Blah Blah Blah", 640, 480, 24, g_Screen.fullscreen);
}
break;
case ClientMessage:
if(*XGetAtomName(g_Screen.display, event.xclient.message_type) == *"WM_PROTOCOLS")
{
printf("Exiting sanely...\n");
done = true;
}
break;
default:
break;
}
//End Equivalent of WNDPROC
if(active)
{
if(keys[KEY_ESCAPE])
{
done = true;
}
else
{
level.defaultPlayer[0].camera.Update();
if(!level.showConsole)
{
if(level.mlook)
{
level.defaultPlayer[0].camera.SetViewByMouse(g_Screen);
}
else
{
#ifdef WIN32
SetCursorPos(g_Screen.width/2, g_Screen.height/2);//Shit this may be windows specific
#endif
}
//Maybe some of these if not almost all should be moved into Level
//////////
//Move Backward
if(!level.defaultPlayer->controls.backward.IsEmpty())
{
level.defaultPlayer->controls.backward.FirstPosition();
if(keys[level.defaultPlayer->controls.backward.Retrieve()])
{
level.defaultPlayer->camera.MoveCamera(-level.moveSpeed);
}
else
{
while(level.defaultPlayer->controls.backward.NextPosition() && (keys[level.defaultPlayer->controls.backward.Retrieve()] != true));
{
if(keys[level.defaultPlayer->controls.backward.Retrieve()])
{
level.defaultPlayer->camera.MoveCamera(-level.moveSpeed);
}
}
}
}
//////////
//Move forward
if(!level.defaultPlayer->controls.forward.IsEmpty())
{
level.defaultPlayer->controls.forward.FirstPosition();
if(keys[level.defaultPlayer->controls.forward.Retrieve()])
{
level.defaultPlayer->camera.MoveCamera(level.moveSpeed);
}
else
{
while(level.defaultPlayer->controls.forward.NextPosition() && (keys[level.defaultPlayer->controls.forward.Retrieve()] != true));
{
if(keys[level.defaultPlayer->controls.forward.Retrieve()])
{
level.defaultPlayer->camera.MoveCamera(level.moveSpeed);
}
}
}
}
//////////
//Strafe Left
if(!level.defaultPlayer->controls.moveLeft.IsEmpty())
{
level.defaultPlayer->controls.moveLeft.FirstPosition();
if(keys[level.defaultPlayer->controls.moveLeft.Retrieve()])
{
level.defaultPlayer->camera.StrafeCamera(-level.moveSpeed);
}
else
{
while(level.defaultPlayer->controls.moveLeft.NextPosition() && (keys[level.defaultPlayer->controls.moveLeft.Retrieve()] != true));
{
if(keys[level.defaultPlayer->controls.moveLeft.Retrieve()])
{
level.defaultPlayer->camera.StrafeCamera(-level.moveSpeed);
}
}
}
}
//////////
//Strafe Right
if(!level.defaultPlayer->controls.moveRight.IsEmpty())
{
level.defaultPlayer->controls.moveRight.FirstPosition();
if(keys[level.defaultPlayer->controls.moveRight.Retrieve()])
{
level.defaultPlayer[0].camera.StrafeCamera(level.moveSpeed);
}
else
{
while(level.defaultPlayer->controls.moveRight.NextPosition() && (keys[level.defaultPlayer->controls.moveRight.Retrieve()] != true));
{
if(keys[level.defaultPlayer->controls.moveRight.Retrieve()])
{
level.defaultPlayer->camera.StrafeCamera(level.moveSpeed);
}
}
}
}
//////////
//Keyboard Look Left
if(!level.defaultPlayer->controls.lookLeft.IsEmpty())
{
level.defaultPlayer->controls.lookLeft.FirstPosition();
if(keys[level.defaultPlayer->controls.lookLeft.Retrieve()])
{
level.defaultPlayer[0].camera.RotateView(level.turnSpeed, 0, 1, 0);
}
else
{
while(level.defaultPlayer->controls.lookLeft.NextPosition() && (keys[level.defaultPlayer->controls.lookLeft.Retrieve()] != true));
{
if(keys[level.defaultPlayer->controls.lookLeft.Retrieve()])
{
level.defaultPlayer[0].camera.RotateView(level.turnSpeed, 0, 1, 0);
}
}
}
}
//////////
//Keyboard Look Right
if(!level.defaultPlayer->controls.lookRight.IsEmpty())
{
level.defaultPlayer->controls.lookRight.FirstPosition();
if(keys[level.defaultPlayer->controls.lookRight.Retrieve()])
{
level.defaultPlayer->camera.RotateView(-level.turnSpeed, 0, 1, 0);
}
else
{
while(level.defaultPlayer->controls.lookRight.NextPosition() && (keys[level.defaultPlayer->controls.lookRight.Retrieve()] != true));
{
if(keys[level.defaultPlayer->controls.lookRight.Retrieve()])
{
level.defaultPlayer->camera.RotateView(-level.turnSpeed, 0, 1, 0);
}
}
}
}
//////////
//Keyboard Look Up
if(!level.defaultPlayer->controls.lookUp.IsEmpty())
{
level.defaultPlayer->controls.lookUp.FirstPosition();
if(keys[level.defaultPlayer->controls.lookUp.Retrieve()])
{
level.defaultPlayer->camera.RotateView(level.turnSpeed, 1, 0, 0);
}
else
{
while(level.defaultPlayer->controls.lookUp.NextPosition() && (keys[level.defaultPlayer->controls.lookUp.Retrieve()] != true));
{
if(keys[level.defaultPlayer->controls.lookUp.Retrieve()])
{
level.defaultPlayer->camera.RotateView(level.turnSpeed, 1, 0, 0);
}
}
}
}
//////////
//Keyboard Look Down
if(!level.defaultPlayer->controls.lookDown.IsEmpty())
{
level.defaultPlayer->controls.lookDown.FirstPosition();
if(keys[level.defaultPlayer->controls.lookDown.Retrieve()])
{
level.defaultPlayer->camera.RotateView(-level.turnSpeed, 1, 0, 0);
}
else
{
while(level.defaultPlayer->controls.lookDown.NextPosition() && (keys[level.defaultPlayer->controls.lookDown.Retrieve()] != true));
{
if(keys[level.defaultPlayer->controls.lookDown.Retrieve()])
{
level.defaultPlayer->camera.RotateView(-level.turnSpeed, 1, 0, 0);
}
}
}
}
//////////
//Toggle Show FPS
if(!level.defaultPlayer->controls.toggleFPS.IsEmpty())
{
level.defaultPlayer->controls.toggleFPS.FirstPosition();
if(keys[level.defaultPlayer->controls.toggleFPS.Retrieve()])
{
if(!keys2[level.defaultPlayer->controls.toggleFPS.Retrieve()])
{
level.showFPS = !level.showFPS;
}
}
else
{
while(level.defaultPlayer->controls.toggleFPS.NextPosition() && (keys[level.defaultPlayer->controls.toggleFPS.Retrieve()] != true));
{
if(keys[level.defaultPlayer->controls.toggleFPS.Retrieve()])
{
if(!keys2[level.defaultPlayer->controls.toggleFPS.Retrieve()])
{
level.showFPS = !level.showFPS;
}
}
}
}
}
//////////
//Toggle MouseLook
if(!level.defaultPlayer->controls.toggleMouseLook.IsEmpty())
{
level.defaultPlayer->controls.toggleMouseLook.FirstPosition();
if(keys[level.defaultPlayer->controls.toggleMouseLook.Retrieve()])
{
if(keys2[level.defaultPlayer->controls.toggleMouseLook.Retrieve()])
{
level.mlook = ! level.mlook;
}
}
else
{
while(level.defaultPlayer->controls.toggleMouseLook.NextPosition() && (keys[level.defaultPlayer->controls.toggleMouseLook.Retrieve()] != true));
{
if(keys[level.defaultPlayer->controls.toggleMouseLook.Retrieve()])
{
if(keys2[level.defaultPlayer->controls.toggleMouseLook.Retrieve()])
{
level.mlook = ! level.mlook;
}
}
}
}
}
//////////
//Toggle Console
if(!level.defaultPlayer[0].controls.toggleConsole.IsEmpty())
{
level.defaultPlayer[0].controls.toggleConsole.FirstPosition();
if(keys[level.defaultPlayer[0].controls.toggleConsole.Retrieve()])
{
if(!keys2[level.defaultPlayer[0].controls.toggleConsole.Retrieve()])
{
level.showConsole = !level.showConsole;
keys2[level.defaultPlayer[0].controls.toggleConsole.Retrieve()] = true;
}
}
else
{
while(level.defaultPlayer[0].controls.toggleConsole.NextPosition() && (keys[level.defaultPlayer[0].controls.toggleConsole.Retrieve()] != true));
{
if(keys[level.defaultPlayer[0].controls.toggleConsole.Retrieve()])
{
if(!keys2[level.defaultPlayer[0].controls.toggleConsole.Retrieve()])
{
level.showConsole = !level.showConsole;
keys2[level.defaultPlayer[0].controls.toggleConsole.Retrieve()] = true;
}
}
}
}
}
//////////
//Quick MouseLook
if(!level.defaultPlayer->controls.quickMouseLook.IsEmpty())
{
level.defaultPlayer->controls.quickMouseLook.FirstPosition();
if(keys[level.defaultPlayer->controls.quickMouseLook.Retrieve()])
{
if(keys2[level.defaultPlayer->controls.quickMouseLook.Retrieve()])
{
level.mlook = ! level.mlook;
}
}
else
{
while(level.defaultPlayer->controls.quickMouseLook.NextPosition() && (keys[level.defaultPlayer->controls.quickMouseLook.Retrieve()] != true));
{
if(keys[level.defaultPlayer->controls.quickMouseLook.Retrieve()])
{
if(keys2[level.defaultPlayer->controls.quickMouseLook.Retrieve()])
{
level.mlook = ! level.mlook;
}
}
}
}
}
}
}
}
DrawGLScene();
if(keys[KEY_F1])
{
keys[KEY_F1] = false;
KillGLWindow();
g_Screen.fullscreen = !g_Screen.fullscreen;
if(!CreateGLWindow(OPENARENA_VERSION, level.screen.width, level.screen.height, level.screen.bpp, level.screen.fullscreen))
{
return 1;
}
}
}
}
level.UnloadMap();
KillGLWindow();
exit(0);
}
#endif