tenebrae2/gl_vidsdl.c
2003-02-13 19:46:54 +00:00

459 lines
13 KiB
C

// gl_vidsdl.c -- sdl opengl video driver
// dynamic library access
#include <dlfcn.h>
#include <SDL.h>
#include <SDL/SDL_opengl.h>
#include "quakedef.h"
viddef_t vid; // global video state
// The original defaults
//#define BASEWIDTH 320
//#define BASEHEIGHT 200
// Much better for high resolution displays
#define BASEWIDTH (640)
#define BASEHEIGHT (480)
static qboolean mouse_avail;
static float mouse_x, mouse_y;
static int mouse_oldbuttonstate = 0;
// No support for option menus
void (*vid_menudrawfn)(void) = NULL;
void (*vid_menukeyfn)(int key) = NULL;
static int scr_width, scr_height;
#define WARP_WIDTH 320
#define WARP_HEIGHT 200
static SDL_Surface *screen = NULL;
/*-----------------------------------------------------------------------*/
/*
=================
GL_BeginRendering
=================
*/
void GL_BeginRendering (int *x, int *y, int *width, int *height)
{
extern cvar_t gl_clear;
*x = *y = 0;
*width = scr_width;
*height = scr_height;
// if (!wglMakeCurrent( maindc, baseRC ))
// Sys_Error ("wglMakeCurrent failed");
// glViewport (*x, *y, *width, *height);
}
void GL_EndRendering (void)
{
glFlush ();
SDL_GL_SwapBuffers ();
}
static void Check_Gamma (unsigned char *pal)
{
float f, inf;
unsigned char palette[768];
int i;
if ((i = COM_CheckParm("-gamma")) == 0) {
if ((gl_renderer && strstr(gl_renderer, "Voodoo")) ||
(gl_vendor && strstr(gl_vendor, "3Dfx")))
vid_gamma = 1;
else
vid_gamma = 0.6; // default to 0.7 on non-3dfx hardware
// PENTA: lowered to make things a little brighter
} else
vid_gamma = Q_atof(com_argv[i+1]);
for (i=0 ; i<768 ; i++)
{
f = pow ( (pal[i]+1)/256.0 , vid_gamma );
inf = f*255 + 0.5;
if (inf < 0)
inf = 0;
if (inf > 255)
inf = 255;
palette[i] = inf;
}
memcpy (pal, palette, sizeof(palette));
}
void VID_Init (unsigned char *palette)
{
int pnum, chunk;
byte *cache;
int cachesize;
Uint8 video_bpp;
Uint16 video_w, video_h;
Uint32 flags;
const SDL_VideoInfo* info = NULL;
char gldir[MAX_OSPATH];
// Load the SDL library
if (SDL_Init(SDL_INIT_VIDEO|SDL_INIT_AUDIO|SDL_INIT_CDROM) < 0)
Sys_Error("VID: Couldn't load SDL: %s", SDL_GetError());
// Get Video info
info=SDL_GetVideoInfo ();
if( !info ) {
Sys_Error ("Video query failed: %s\n", SDL_GetError ());
}
video_bpp = 32; // 32 bpp mandatory
// Define some necessary OpenGL features
SDL_GL_SetAttribute (SDL_GL_RED_SIZE, 8);
SDL_GL_SetAttribute (SDL_GL_GREEN_SIZE, 8);
SDL_GL_SetAttribute (SDL_GL_BLUE_SIZE, 8);
SDL_GL_SetAttribute (SDL_GL_ALPHA_SIZE, 8);
SDL_GL_SetAttribute (SDL_GL_DEPTH_SIZE, 24);
SDL_GL_SetAttribute (SDL_GL_STENCIL_SIZE, 8);
SDL_GL_SetAttribute (SDL_GL_DOUBLEBUFFER, 1);
// Set up display mode (width and height)
vid.width = BASEWIDTH;
vid.height = BASEHEIGHT;
vid.maxwarpwidth = WARP_WIDTH;
vid.maxwarpheight = WARP_HEIGHT;
vid.colormap = host_colormap;
//vid.fullbright = 256 - LittleLong (*((int *)vid.colormap + 2048));
if ((pnum=COM_CheckParm("-winsize")))
{
if (pnum >= com_argc-2)
Sys_Error("VID: -winsize <width> <height>\n");
vid.width = Q_atoi(com_argv[pnum+1]);
vid.height = Q_atoi(com_argv[pnum+2]);
if (!vid.width || !vid.height)
Sys_Error("VID: Bad window width/height\n");
}
if ((pnum=COM_CheckParm("-width")))
{
if (pnum >= com_argc-1)
Sys_Error("VID: -width <width>\n");
vid.width = Q_atoi(com_argv[pnum+1]);
if (!vid.width)
Sys_Error("VID: Bad window width\n");
}
if ((pnum=COM_CheckParm("-height")))
{
if (pnum >= com_argc-1)
Sys_Error("VID: -height <height>\n");
vid.height = Q_atoi(com_argv[pnum+1]);
if (!vid.height)
Sys_Error("VID: Bad window height\n");
}
// Set video width, height and flags
flags = SDL_OPENGL;
if ( !COM_CheckParm ("-window") )
flags |= SDL_FULLSCREEN;
// Initialize display
if (!(screen = SDL_SetVideoMode(vid.width, vid.height, video_bpp, flags)))
Sys_Error("VID: Couldn't set video mode: %s\n", SDL_GetError());
scr_width = vid.width;
scr_height = vid.height;
vid.conheight = vid.height;
vid.conwidth = vid.width;
/*
if (vid.conheight > vid.height)
vid.conheight = vid.height;
if (vid.conwidth > vid.width)
vid.conwidth = vid.width;
*/
vid.aspect = ((float)vid.height / (float)vid.width) * (320.0 / 240.0);
vid.numpages = 2;
// Initialize OpenGL
GL_Init ();
sprintf (gldir, "%s/glquake", com_gamedir);
Sys_mkdir (gldir);
VID_SetPalette(palette);
SDL_WM_SetCaption("tenebrae-sdl","tenebrae-sdl");
// Check for 3DFX Extensions and initialize them.
//VID_Init8bitPalette();
Con_SafePrintf ("Video mode %dx%d initialized.\n", vid.width, vid.height);
vid.recalc_refdef = 1; // force a surface cache flush
// initialize the mouse
SDL_ShowCursor(0);
}
void VID_Shutdown (void)
{
R_ShutdownShaders();
SDL_Quit();
}
/*
================
D_BeginDirectRect
================
*/
void D_BeginDirectRect (int x, int y, byte *pbitmap, int width, int height)
{
/*
Uint8 *offset;
if (!screen) return;
if ( x < 0 ) x = screen->w+x-1;
offset = (Uint8 *)screen->pixels + y*screen->pitch + x;
while ( height-- )
{
memcpy(offset, pbitmap, width);
offset += screen->pitch;
pbitmap += width;
}
*/
}
/*
================
D_EndDirectRect
================
*/
void D_EndDirectRect (int x, int y, int width, int height)
{
/*
if (!screen) return;
if (x < 0) x = screen->w+x-1;
SDL_UpdateRect(screen, x, y, width, height);
*/
}
/*
================
Sys_SendKeyEvents
================
*/
void Sys_SendKeyEvents(void)
{
SDL_Event event;
int sym, state;
int modstate;
while (SDL_PollEvent(&event))
{
switch (event.type) {
case SDL_KEYDOWN:
case SDL_KEYUP:
sym = event.key.keysym.sym;
state = event.key.state;
modstate = SDL_GetModState();
switch(sym)
{
case SDLK_DELETE: sym = K_DEL; break;
case SDLK_BACKSPACE: sym = K_BACKSPACE; break;
case SDLK_F1: sym = K_F1; break;
case SDLK_F2: sym = K_F2; break;
case SDLK_F3: sym = K_F3; break;
case SDLK_F4: sym = K_F4; break;
case SDLK_F5: sym = K_F5; break;
case SDLK_F6: sym = K_F6; break;
case SDLK_F7: sym = K_F7; break;
case SDLK_F8: sym = K_F8; break;
case SDLK_F9: sym = K_F9; break;
case SDLK_F10: sym = K_F10; break;
case SDLK_F11: sym = K_F11; break;
case SDLK_F12: sym = K_F12; break;
case SDLK_BREAK:
case SDLK_PAUSE: sym = K_PAUSE; break;
case SDLK_UP: sym = K_UPARROW; break;
case SDLK_DOWN: sym = K_DOWNARROW; break;
case SDLK_RIGHT: sym = K_RIGHTARROW; break;
case SDLK_LEFT: sym = K_LEFTARROW; break;
case SDLK_INSERT: sym = K_INS; break;
case SDLK_HOME: sym = K_HOME; break;
case SDLK_END: sym = K_END; break;
case SDLK_PAGEUP: sym = K_PGUP; break;
case SDLK_PAGEDOWN: sym = K_PGDN; break;
case SDLK_RSHIFT:
case SDLK_LSHIFT: sym = K_SHIFT; break;
case SDLK_RCTRL:
case SDLK_LCTRL: sym = K_CTRL; break;
case SDLK_RALT:
case SDLK_LALT: sym = K_ALT; break;
case SDLK_KP0:
if(modstate & KMOD_NUM) sym = K_INS;
else sym = SDLK_0;
break;
case SDLK_KP1:
if(modstate & KMOD_NUM) sym = K_END;
else sym = SDLK_1;
break;
case SDLK_KP2:
if(modstate & KMOD_NUM) sym = K_DOWNARROW;
else sym = SDLK_2;
break;
case SDLK_KP3:
if(modstate & KMOD_NUM) sym = K_PGDN;
else sym = SDLK_3;
break;
case SDLK_KP4:
if(modstate & KMOD_NUM) sym = K_LEFTARROW;
else sym = SDLK_4;
break;
case SDLK_KP5: sym = SDLK_5; break;
case SDLK_KP6:
if(modstate & KMOD_NUM) sym = K_RIGHTARROW;
else sym = SDLK_6;
break;
case SDLK_KP7:
if(modstate & KMOD_NUM) sym = K_HOME;
else sym = SDLK_7;
break;
case SDLK_KP8:
if(modstate & KMOD_NUM) sym = K_UPARROW;
else sym = SDLK_8;
break;
case SDLK_KP9:
if(modstate & KMOD_NUM) sym = K_PGUP;
else sym = SDLK_9;
break;
case SDLK_KP_PERIOD:
if(modstate & KMOD_NUM) sym = K_DEL;
else sym = SDLK_PERIOD;
break;
case SDLK_KP_DIVIDE: sym = SDLK_SLASH; break;
case SDLK_KP_MULTIPLY: sym = SDLK_ASTERISK; break;
case SDLK_KP_MINUS: sym = SDLK_MINUS; break;
case SDLK_KP_PLUS: sym = SDLK_PLUS; break;
case SDLK_KP_ENTER: sym = SDLK_RETURN; break;
case SDLK_KP_EQUALS: sym = SDLK_EQUALS; break;
}
// If we're not directly handled and still above 255
// just force it to 0
if(sym > 255) sym = 0;
Key_Event(sym, state);
break;
case SDL_MOUSEMOTION:
if ( (event.motion.x != (vid.width/2)) ||
(event.motion.y != (vid.height/2)) ) {
mouse_x = event.motion.xrel*10;
mouse_y = event.motion.yrel*10;
if ( (event.motion.x < ((vid.width/2)-(vid.width/4))) ||
(event.motion.x > ((vid.width/2)+(vid.width/4))) ||
(event.motion.y < ((vid.height/2)-(vid.height/4))) ||
(event.motion.y > ((vid.height/2)+(vid.height/4))) ) {
SDL_WarpMouse(vid.width/2, vid.height/2);
}
}
break;
case SDL_QUIT:
CL_Disconnect ();
Host_ShutdownServer(false);
Sys_Quit ();
break;
default:
break;
}
}
}
void IN_Init (void)
{
if ( COM_CheckParm ("-nomouse") )
return;
mouse_x = mouse_y = 0.0;
mouse_avail = 1;
}
void IN_Shutdown (void)
{
mouse_avail = 0;
}
void IN_Commands (void)
{
int i;
int mouse_buttonstate;
if (!mouse_avail) return;
i = SDL_GetMouseState(NULL, NULL);
/* Quake swaps the second and third buttons */
mouse_buttonstate = (i & ~0x06) | ((i & 0x02)<<1) | ((i & 0x04)>>1);
for (i=0 ; i<3 ; i++) {
if ( (mouse_buttonstate & (1<<i)) && !(mouse_oldbuttonstate & (1<<i)) )
Key_Event (K_MOUSE1 + i, true);
if ( !(mouse_buttonstate & (1<<i)) && (mouse_oldbuttonstate & (1<<i)) )
Key_Event (K_MOUSE1 + i, false);
}
mouse_oldbuttonstate = mouse_buttonstate;
}
void IN_Move (usercmd_t *cmd)
{
if (!mouse_avail)
return;
mouse_x *= sensitivity.value;
mouse_y *= sensitivity.value;
if ( (in_strafe.state & 1) || (lookstrafe.value && (in_mlook.state & 1) ))
cmd->sidemove += m_side.value * mouse_x;
else
cl.viewangles[YAW] -= m_yaw.value * mouse_x;
if (in_mlook.state & 1)
V_StopPitchDrift ();
if ( (in_mlook.state & 1) && !(in_strafe.state & 1)) {
cl.viewangles[PITCH] += m_pitch.value * mouse_y;
if (cl.viewangles[PITCH] > 80)
cl.viewangles[PITCH] = 80;
if (cl.viewangles[PITCH] < -70)
cl.viewangles[PITCH] = -70;
} else {
if ((in_strafe.state & 1) && noclip_anglehack)
cmd->upmove -= m_forward.value * mouse_y;
else
cmd->forwardmove -= m_forward.value * mouse_y;
}
mouse_x = mouse_y = 0.0;
}
/*
================
Sys_ConsoleInput
================
*/
char *Sys_ConsoleInput (void)
{
return 0;
}