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quakeforge-old/common/vid_sdl.c
Joseph Carter 8b18f9d56b A little cleanup... 
S_Init() is now where it belongs--outside of VID_Init().  I think I did
manage to update every target.  If I missed one, kill the sound.h include
and remove S_Init() from VID_Init().

New Cvar: r_sky, defaults to 0, turn it on if you want to use skyboxes.
Cvar r_skyname can actually be used now I _think_, need another skybox
to test it.  Quake2000's instructions were used in the skybox stuff but,
as all know by now, our tree is so different from anyone else's that I had
to redo a number of things.  But thanks all the same--cut the time spent
debugging it in half.  I also want to thank whoever did the night skybox
on the MegaTF page I used to test.  Looks great on start map!

New GL-specific Cvar: r_conspin, defaults to 0.  Turn it on.  You can turn
it off too.  Shamelessly ripped from QER.
2000-03-02 19:57:24 +00:00

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/*
vid_sdl.h - sdl video driver
Copyright (C) 1996-1997 Id Software, Inc.
Copyright (C) 1999,2000 contributors of the QuakeForge project
Please see the file "AUTHORS" for a list of contributors
This program 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.
This program 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 this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include <SDL/SDL.h>
#include <keys.h>
#include <quakedef.h>
#include <d_local.h>
#include <cvar.h>
#include <draw.h>
#include <sys.h>
#include <lib_replace.h>
#include <cmd.h>
#include <client.h>
//cvar_t _windowed_mouse = {"_windowed_mouse","0", CVAR_ARCHIVE};
cvar_t *_windowed_mouse;
static float old_windowed_mouse = 0;
viddef_t vid; // global video state
unsigned short d_8to16table[256];
// The original defaults
//#define BASEWIDTH 320
//#define BASEHEIGHT 200
// Much better for high resolution displays
#define BASEWIDTH (320*2)
#define BASEHEIGHT (200*2)
int VGA_width, VGA_height, VGA_rowbytes, VGA_bufferrowbytes = 0;
byte *VGA_pagebase;
int VID_options_items = 1;
static SDL_Surface *screen = NULL;
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;
void VID_SetPalette (unsigned char *palette)
{
int i;
SDL_Color colors[256];
for ( i=0; i<256; ++i )
{
colors[i].r = *palette++;
colors[i].g = *palette++;
colors[i].b = *palette++;
}
SDL_SetColors(screen, colors, 0, 256);
}
void VID_ShiftPalette (unsigned char *palette)
{
VID_SetPalette(palette);
}
void VID_Init (unsigned char *palette)
{
int pnum, chunk;
byte *cache;
int cachesize;
//Uint8 video_bpp;
//Uint16 video_w, video_h;
Uint32 flags;
// Load the SDL library
if (SDL_Init(SDL_INIT_VIDEO|SDL_INIT_CDROM)<0) //|SDL_INIT_AUDIO|SDL_INIT_CDROM) < 0)
Sys_Error("VID: Couldn't load SDL: %s", SDL_GetError());
// Set up display mode (width and height)
vid.width = BASEWIDTH;
vid.height = BASEHEIGHT;
vid.maxwarpwidth = WARP_WIDTH;
vid.maxwarpheight = WARP_HEIGHT;
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");
}
// Set video width, height and flags
flags = (SDL_SWSURFACE|SDL_HWPALETTE);
if ( COM_CheckParm ("-fullscreen") )
flags |= SDL_FULLSCREEN;
// Initialize display
if (!(screen = SDL_SetVideoMode(vid.width, vid.height, 8, flags)))
Sys_Error("VID: Couldn't set video mode: %s\n", SDL_GetError());
VID_SetPalette(palette);
SDL_WM_SetCaption("sdlquake","sdlquake");
// now know everything we need to know about the buffer
VGA_width = vid.conwidth = vid.width;
VGA_height = vid.conheight = vid.height;
vid.aspect = ((float)vid.height / (float)vid.width) * (320.0 / 240.0);
vid.numpages = 1;
vid.colormap = host_colormap;
vid.fullbright = 256 - LittleLong (*((int *)vid.colormap + 2048));
VGA_pagebase = vid.buffer = screen->pixels;
VGA_rowbytes = vid.rowbytes = screen->pitch;
vid.conbuffer = vid.buffer;
vid.conrowbytes = vid.rowbytes;
vid.direct = 0;
// allocate z buffer and surface cache
chunk = vid.width * vid.height * sizeof (*d_pzbuffer);
cachesize = D_SurfaceCacheForRes (vid.width, vid.height);
chunk += cachesize;
d_pzbuffer = Hunk_HighAllocName(chunk, "video");
if (d_pzbuffer == NULL)
Sys_Error ("Not enough memory for video mode\n");
// initialize the cache memory
cache = (byte *) d_pzbuffer
+ vid.width * vid.height * sizeof (*d_pzbuffer);
D_InitCaches (cache, cachesize);
// initialize the mouse
SDL_ShowCursor(0);
}
void VID_Shutdown (void)
{
SDL_Quit();
}
void VID_Update (vrect_t *rects)
{
SDL_Rect *sdlrects;
int n, i;
vrect_t *rect;
// Two-pass system, since Quake doesn't do it the SDL way...
// First, count the number of rectangles
n = 0;
for (rect = rects; rect; rect = rect->pnext)
++n;
// Second, copy them to SDL rectangles and update
if (!(sdlrects = (SDL_Rect *)alloca(n*sizeof(*sdlrects))))
Sys_Error("Out of memory");
i = 0;
for (rect = rects; rect; rect = rect->pnext)
{
sdlrects[i].x = rect->x;
sdlrects[i].y = rect->y;
sdlrects[i].w = rect->width;
sdlrects[i].h = rect->height;
++i;
}
SDL_UpdateRects(screen, n, sdlrects);
}
/*
================
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 (_windowed_mouse->value)
{
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 ();
Sys_Quit ();
break;
default:
break;
}
}
if (old_windowed_mouse != _windowed_mouse->value)
{ old_windowed_mouse = _windowed_mouse->value;
if (_windowed_mouse->value && !COM_CheckParm("-nomouse"))
{ mouse_avail = 1;
}
else
{ mouse_avail = 0;
}
}
}
void IN_Init (void)
{
_windowed_mouse = Cvar_Get ("_windowed_mouse","0",CVAR_ARCHIVE,"None");
if ( COM_CheckParm("-nomouse") && !_windowed_mouse->value)
return;
mouse_x = mouse_y = 0.0;
mouse_avail = 1;
}
void IN_Shutdown (void)
{
mouse_avail = 0;
}
void IN_SendKeyEvents (void)
{
Sys_SendKeyEvents ();
}
void IN_Frame(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;
}
*/
void VID_ExtraOptionDraw(unsigned int options_draw_cursor)
{
// Windowed Mouse
M_Print (16, options_draw_cursor+=8, " Use Mouse");
M_DrawCheckbox (220, options_draw_cursor, _windowed_mouse->value);
}
void VID_ExtraOptionCmd(int option_cursor)
{
switch(option_cursor) {
case 1: // _windowed_mouse
_windowed_mouse->value = !_windowed_mouse->value;
break;
}
}
void VID_InitCvars ()
{
// It may not look like it, but this is important
}
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