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-rw-r--r--WinQuake/vid_dos.c1556
1 files changed, 778 insertions, 778 deletions
diff --git a/WinQuake/vid_dos.c b/WinQuake/vid_dos.c
index bf4293f..519d9a0 100644
--- a/WinQuake/vid_dos.c
+++ b/WinQuake/vid_dos.c
@@ -1,778 +1,778 @@
-/*
-Copyright (C) 1996-1997 Id Software, Inc.
-
-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.
-
-*/
-//
-// vid_dos.c: DOS-specific video routines
-//
-
-#include <unistd.h>
-#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
-#include <dos.h>
-#include <dpmi.h>
-#include <go32.h>
-
-#include "quakedef.h"
-#include "d_local.h"
-#include "dosisms.h"
-#include "vid_dos.h"
-
-int vid_modenum;
-vmode_t *pcurrentmode = NULL;
-int vid_testingmode, vid_realmode;
-double vid_testendtime;
-
-cvar_t vid_mode = {"vid_mode","0", false};
-cvar_t vid_wait = {"vid_wait","0"};
-cvar_t vid_nopageflip = {"vid_nopageflip","0", true};
-cvar_t _vid_wait_override = {"_vid_wait_override", "0", true};
-cvar_t _vid_default_mode = {"_vid_default_mode","0", true};
-cvar_t _vid_default_mode_win = {"_vid_default_mode_win","1", true};
-cvar_t vid_config_x = {"vid_config_x","800", true};
-cvar_t vid_config_y = {"vid_config_y","600", true};
-cvar_t vid_stretch_by_2 = {"vid_stretch_by_2","1", true};
-cvar_t _windowed_mouse = {"_windowed_mouse","0", true};
-cvar_t vid_fullscreen_mode = {"vid_fullscreen_mode","3", true};
-cvar_t vid_windowed_mode = {"vid_windowed_mode","0", true};
-cvar_t block_switch = {"block_switch","0", true};
-cvar_t vid_window_x = {"vid_window_x", "0", true};
-cvar_t vid_window_y = {"vid_window_y", "0", true};
-
-int d_con_indirect = 0;
-
-int numvidmodes;
-vmode_t *pvidmodes;
-
-static int firstupdate = 1;
-
-extern regs_t regs;
-
-void VID_TestMode_f (void);
-void VID_NumModes_f (void);
-void VID_DescribeCurrentMode_f (void);
-void VID_DescribeMode_f (void);
-void VID_DescribeModes_f (void);
-
-byte vid_current_palette[768]; // save for mode changes
-
-
-static qboolean nomodecheck = false;
-
-unsigned short d_8to16table[256]; // not used in 8 bpp mode
-unsigned d_8to24table[256]; // not used in 8 bpp mode
-
-void VID_MenuDraw (void);
-void VID_MenuKey (int key);
-
-
-/*
-================
-VID_Init
-================
-*/
-void VID_Init (unsigned char *palette)
-{
- Cvar_RegisterVariable (&vid_mode);
- Cvar_RegisterVariable (&vid_wait);
- Cvar_RegisterVariable (&vid_nopageflip);
- Cvar_RegisterVariable (&_vid_wait_override);
- Cvar_RegisterVariable (&_vid_default_mode);
- Cvar_RegisterVariable (&_vid_default_mode_win);
- Cvar_RegisterVariable (&vid_config_x);
- Cvar_RegisterVariable (&vid_config_y);
- Cvar_RegisterVariable (&vid_stretch_by_2);
- Cvar_RegisterVariable (&_windowed_mouse);
- Cvar_RegisterVariable (&vid_fullscreen_mode);
- Cvar_RegisterVariable (&vid_windowed_mode);
- Cvar_RegisterVariable (&block_switch);
-
- Cmd_AddCommand ("vid_testmode", VID_TestMode_f);
- Cmd_AddCommand ("vid_nummodes", VID_NumModes_f);
- Cmd_AddCommand ("vid_describecurrentmode", VID_DescribeCurrentMode_f);
- Cmd_AddCommand ("vid_describemode", VID_DescribeMode_f);
- Cmd_AddCommand ("vid_describemodes", VID_DescribeModes_f);
-
-// set up the mode list; note that later inits link in their modes ahead of
-// earlier ones, so the standard VGA modes are always first in the list. This
-// is important because mode 0 must always be VGA mode 0x13
- if (!COM_CheckParm ("-stdvid"))
- VID_InitExtra ();
- VGA_Init ();
-
- vid_testingmode = 0;
-
- vid_modenum = vid_mode.value;
-
- VID_SetMode (vid_modenum, palette);
-
- vid_realmode = vid_modenum;
-
- vid_menudrawfn = VID_MenuDraw;
- vid_menukeyfn = VID_MenuKey;
-}
-
-
-/*
-=================
-VID_GetModePtr
-=================
-*/
-vmode_t *VID_GetModePtr (int modenum)
-{
- vmode_t *pv;
-
- pv = pvidmodes;
- if (!pv)
- Sys_Error ("VID_GetModePtr: empty vid mode list");
-
- while (modenum--)
- {
- pv = pv->pnext;
- if (!pv)
- Sys_Error ("VID_GetModePtr: corrupt vid mode list");
- }
-
- return pv;
-}
-
-/*
-================
-VID_NumModes
-================
-*/
-int VID_NumModes ()
-{
- return (numvidmodes);
-}
-
-
-/*
-================
-VID_ModeInfo
-================
-*/
-char *VID_ModeInfo (int modenum, char **ppheader)
-{
- static char *badmodestr = "Bad mode number";
- vmode_t *pv;
-
- pv = VID_GetModePtr (modenum);
-
- if (!pv)
- {
- if (ppheader)
- *ppheader = NULL;
- return badmodestr;
- }
- else
- {
- if (ppheader)
- *ppheader = pv->header;
- return pv->name;
- }
-}
-
-
-/*
-================
-VID_SetMode
-================
-*/
-int VID_SetMode (int modenum, unsigned char *palette)
-{
- int stat;
- vmode_t *pnewmode, *poldmode;
-
- if ((modenum >= numvidmodes) || (modenum < 0))
- {
- Cvar_SetValue ("vid_mode", (float)vid_modenum);
-
- nomodecheck = true;
- Con_Printf ("No such video mode: %d\n", modenum);
- nomodecheck = false;
-
- if (pcurrentmode == NULL)
- {
- modenum = 0; // mode hasn't been set yet, so initialize to base
- // mode since they gave us an invalid initial mode
- }
- else
- {
- return 0;
- }
- }
-
- pnewmode = VID_GetModePtr (modenum);
-
- if (pnewmode == pcurrentmode)
- return 1; // already in the desired mode
-
-// initialize the new mode
- poldmode = pcurrentmode;
- pcurrentmode = pnewmode;
-
- vid.width = pcurrentmode->width;
- vid.height = pcurrentmode->height;
- vid.aspect = pcurrentmode->aspect;
- vid.rowbytes = pcurrentmode->rowbytes;
-
- stat = (*pcurrentmode->setmode) (&vid, pcurrentmode);
-
- if (stat < 1)
- {
- if (stat == 0)
- {
- // real, hard failure that requires resetting the mode
- if (!VID_SetMode (vid_modenum, palette)) // restore prior mode
- Sys_Error ("VID_SetMode: Unable to set any mode, probably "
- "because there's not enough memory available");
- Con_Printf ("Failed to set mode %d\n", modenum);
- return 0;
- }
- else if (stat == -1)
- {
- // not enough memory; just put things back the way they were
- pcurrentmode = poldmode;
- vid.width = pcurrentmode->width;
- vid.height = pcurrentmode->height;
- vid.aspect = pcurrentmode->aspect;
- vid.rowbytes = pcurrentmode->rowbytes;
- return 0;
- }
- else
- {
- Sys_Error ("VID_SetMode: invalid setmode return code %d");
- }
- }
-
- (*pcurrentmode->setpalette) (&vid, pcurrentmode, palette);
-
- vid_modenum = modenum;
- Cvar_SetValue ("vid_mode", (float)vid_modenum);
-
- nomodecheck = true;
- Con_Printf ("%s\n", VID_ModeInfo (vid_modenum, NULL));
- nomodecheck = false;
-
- vid.recalc_refdef = 1;
-
- return 1;
-}
-
-
-/*
-================
-VID_SetPalette
-================
-*/
-void VID_SetPalette (unsigned char *palette)
-{
- if (palette != vid_current_palette)
- Q_memcpy(vid_current_palette, palette, 768);
- (*pcurrentmode->setpalette)(&vid, pcurrentmode, vid_current_palette);
-}
-
-
-/*
-================
-VID_ShiftPalette
-================
-*/
-void VID_ShiftPalette (unsigned char *palette)
-{
-
- VID_SetPalette (palette);
-}
-
-
-/*
-================
-VID_Shutdown
-================
-*/
-void VID_Shutdown (void)
-{
-
- regs.h.ah = 0;
- regs.h.al = 0x3;
- dos_int86(0x10);
-
- vid_testingmode = 0;
-}
-
-
-/*
-================
-VID_Update
-================
-*/
-void VID_Update (vrect_t *rects)
-{
- if (firstupdate && _vid_default_mode.value)
- {
- if(_vid_default_mode.value >= numvidmodes)
- Cvar_SetValue ("_vid_default_mode", 0);
-
- firstupdate = 0;
- Cvar_SetValue ("vid_mode", _vid_default_mode.value);
- }
-
- (*pcurrentmode->swapbuffers)(&vid, pcurrentmode, rects);
-
- if (!nomodecheck)
- {
- if (vid_testingmode)
- {
- if (realtime >= vid_testendtime)
- {
- VID_SetMode (vid_realmode, vid_current_palette);
- vid_testingmode = 0;
- }
- }
- else
- {
- if (vid_mode.value != vid_realmode)
- {
- VID_SetMode ((int)vid_mode.value, vid_current_palette);
- Cvar_SetValue ("vid_mode", (float)vid_modenum);
- // so if mode set fails, we don't keep on
- // trying to set that mode
- vid_realmode = vid_modenum;
- }
- }
- }
-}
-
-
-/*
-=================
-VID_NumModes_f
-=================
-*/
-void VID_NumModes_f (void)
-{
- int nummodes;
-
- nummodes = VID_NumModes ();
- if (nummodes == 1)
- Con_Printf ("%d video mode is available\n", VID_NumModes ());
- else
- Con_Printf ("%d video modes are available\n", VID_NumModes ());
-}
-
-
-/*
-=================
-VID_DescribeCurrentMode_f
-=================
-*/
-void VID_DescribeCurrentMode_f (void)
-{
- Con_Printf ("%s\n", VID_ModeInfo (vid_modenum, NULL));
-}
-
-
-/*
-=================
-VID_DescribeMode_f
-=================
-*/
-void VID_DescribeMode_f (void)
-{
- int modenum;
-
- modenum = Q_atoi (Cmd_Argv(1));
-
- Con_Printf ("%s\n", VID_ModeInfo (modenum, NULL));
-}
-
-
-/*
-=================
-VID_DescribeModes_f
-=================
-*/
-void VID_DescribeModes_f (void)
-{
- int i, nummodes;
- char *pinfo, *pheader;
- vmode_t *pv;
- qboolean na;
-
- na = false;
-
- nummodes = VID_NumModes ();
- for (i=0 ; i<nummodes ; i++)
- {
- pv = VID_GetModePtr (i);
- pinfo = VID_ModeInfo (i, &pheader);
- if (pheader)
- Con_Printf ("\n%s\n", pheader);
-
- if (VGA_CheckAdequateMem (pv->width, pv->height, pv->rowbytes,
- (pv->numpages == 1) || vid_nopageflip.value))
- {
- Con_Printf ("%2d: %s\n", i, pinfo);
- }
- else
- {
- Con_Printf ("**: %s\n", pinfo);
- na = true;
- }
- }
-
- if (na)
- {
- Con_Printf ("\n[**: not enough system RAM for mode]\n");
- }
-}
-
-
-/*
-=================
-VID_GetModeDescription
-=================
-*/
-char *VID_GetModeDescription (int mode)
-{
- char *pinfo, *pheader;
- vmode_t *pv;
-
- pv = VID_GetModePtr (mode);
- pinfo = VID_ModeInfo (mode, &pheader);
-
- if (VGA_CheckAdequateMem (pv->width, pv->height, pv->rowbytes,
- (pv->numpages == 1) || vid_nopageflip.value))
- {
- return pinfo;
- }
- else
- {
- return NULL;
- }
-}
-
-
-/*
-=================
-VID_TestMode_f
-=================
-*/
-void VID_TestMode_f (void)
-{
- int modenum;
- double testduration;
-
- if (!vid_testingmode)
- {
- modenum = Q_atoi (Cmd_Argv(1));
-
- if (VID_SetMode (modenum, vid_current_palette))
- {
- vid_testingmode = 1;
- testduration = Q_atof (Cmd_Argv(2));
- if (testduration == 0)
- testduration = 5.0;
- vid_testendtime = realtime + testduration;
- }
- }
-}
-
-
-/*
-================
-D_BeginDirectRect
-================
-*/
-void D_BeginDirectRect (int x, int y, byte *pbitmap, int width, int height)
-{
-
- if (!vid.direct || !pcurrentmode)
- return;
-
- if ((width > 24) || (height > 24) || (width < 1) || (height < 1))
- return;
-
- if (width & 0x03)
- return;
-
- (*pcurrentmode->begindirectrect) (&vid, pcurrentmode, x, y, pbitmap, width,
- height);
-}
-
-
-/*
-================
-D_EndDirectRect
-================
-*/
-void D_EndDirectRect (int x, int y, int width, int height)
-{
-
- if (!vid.direct || !pcurrentmode)
- return;
-
- if ((width > 24) || (height > 24) || (width < 1) || (height < 1))
- return;
-
- if ((width & 0x03) || (height & 0x03))
- return;
-
- (*pcurrentmode->enddirectrect) (&vid, pcurrentmode, x, y, width, height);
-}
-
-
-//===========================================================================
-
-extern void M_Menu_Options_f (void);
-extern void M_Print (int cx, int cy, char *str);
-extern void M_PrintWhite (int cx, int cy, char *str);
-extern void M_DrawCharacter (int cx, int line, int num);
-extern void M_DrawTransPic (int x, int y, qpic_t *pic);
-extern void M_DrawPic (int x, int y, qpic_t *pic);
-
-static int vid_line, vid_wmodes, vid_column_size;
-
-typedef struct
-{
- int modenum;
- char *desc;
- int iscur;
-} modedesc_t;
-
-#define MAX_COLUMN_SIZE 11
-
-#define MAX_MODEDESCS (MAX_COLUMN_SIZE*3)
-
-static modedesc_t modedescs[MAX_MODEDESCS];
-
-/*
-================
-VID_MenuDraw
-================
-*/
-void VID_MenuDraw (void)
-{
- qpic_t *p;
- char *ptr;
- int nummodes, i, j, column, row, dup;
- char temp[100];
-
- vid_wmodes = 0;
- nummodes = VID_NumModes ();
-
- p = Draw_CachePic ("gfx/vidmodes.lmp");
- M_DrawPic ( (320-p->width)/2, 4, p);
-
- for (i=0 ; i<nummodes ; i++)
- {
- if (vid_wmodes < MAX_MODEDESCS)
- {
- if (i != 1)
- {
- ptr = VID_GetModeDescription (i);
-
- if (ptr)
- {
- dup = 0;
-
- for (j=0 ; j<vid_wmodes ; j++)
- {
- if (!strcmp (modedescs[j].desc, ptr))
- {
- if (modedescs[j].modenum != 0)
- {
- modedescs[j].modenum = i;
- dup = 1;
-
- if (i == vid_modenum)
- modedescs[j].iscur = 1;
- }
- else
- {
- dup = 1;
- }
-
- break;
- }
- }
-
- if (!dup)
- {
- modedescs[vid_wmodes].modenum = i;
- modedescs[vid_wmodes].desc = ptr;
- modedescs[vid_wmodes].iscur = 0;
-
- if (i == vid_modenum)
- modedescs[vid_wmodes].iscur = 1;
-
- vid_wmodes++;
- }
- }
- }
- }
- }
-
- vid_column_size = (vid_wmodes + 2) / 3;
-
- column = 16;
- row = 36;
-
- for (i=0 ; i<vid_wmodes ; i++)
- {
- if (modedescs[i].iscur)
- M_PrintWhite (column, row, modedescs[i].desc);
- else
- M_Print (column, row, modedescs[i].desc);
-
- row += 8;
-
- if ((i % vid_column_size) == (vid_column_size - 1))
- {
- column += 13*8;
- row = 36;
- }
- }
-
-// line cursor
- if (vid_testingmode)
- {
- sprintf (temp, "TESTING %s",
- modedescs[vid_line].desc);
- M_Print (13*8, 36 + MAX_COLUMN_SIZE * 8 + 8*4, temp);
- M_Print (9*8, 36 + MAX_COLUMN_SIZE * 8 + 8*6,
- "Please wait 5 seconds...");
- }
- else
- {
- M_Print (9*8, 36 + MAX_COLUMN_SIZE * 8 + 8,
- "Press Enter to set mode");
- M_Print (6*8, 36 + MAX_COLUMN_SIZE * 8 + 8*3,
- "T to test mode for 5 seconds");
- ptr = VID_GetModeDescription (vid_modenum);
- sprintf (temp, "D to make %s the default", ptr);
- M_Print (6*8, 36 + MAX_COLUMN_SIZE * 8 + 8*5, temp);
- ptr = VID_GetModeDescription ((int)_vid_default_mode.value);
-
- if (ptr)
- {
- sprintf (temp, "Current default is %s", ptr);
- M_Print (7*8, 36 + MAX_COLUMN_SIZE * 8 + 8*6, temp);
- }
-
- M_Print (15*8, 36 + MAX_COLUMN_SIZE * 8 + 8*8,
- "Esc to exit");
-
- row = 36 + (vid_line % vid_column_size) * 8;
- column = 8 + (vid_line / vid_column_size) * 13*8;
-
- M_DrawCharacter (column, row, 12+((int)(realtime*4)&1));
- }
-}
-
-
-/*
-================
-VID_MenuKey
-================
-*/
-void VID_MenuKey (int key)
-{
- if (vid_testingmode)
- return;
-
- switch (key)
- {
- case K_ESCAPE:
- S_LocalSound ("misc/menu1.wav");
- M_Menu_Options_f ();
- break;
-
- case K_UPARROW:
- S_LocalSound ("misc/menu1.wav");
- vid_line--;
-
- if (vid_line < 0)
- vid_line = vid_wmodes - 1;
- break;
-
- case K_DOWNARROW:
- S_LocalSound ("misc/menu1.wav");
- vid_line++;
-
- if (vid_line >= vid_wmodes)
- vid_line = 0;
- break;
-
- case K_LEFTARROW:
- S_LocalSound ("misc/menu1.wav");
- vid_line -= vid_column_size;
-
- if (vid_line < 0)
- {
- vid_line += ((vid_wmodes + (vid_column_size - 1)) /
- vid_column_size) * vid_column_size;
-
- while (vid_line >= vid_wmodes)
- vid_line -= vid_column_size;
- }
- break;
-
- case K_RIGHTARROW:
- S_LocalSound ("misc/menu1.wav");
- vid_line += vid_column_size;
-
- if (vid_line >= vid_wmodes)
- {
- vid_line -= ((vid_wmodes + (vid_column_size - 1)) /
- vid_column_size) * vid_column_size;
-
- while (vid_line < 0)
- vid_line += vid_column_size;
- }
- break;
-
- case K_ENTER:
- S_LocalSound ("misc/menu1.wav");
- VID_SetMode (modedescs[vid_line].modenum, vid_current_palette);
- break;
-
- case 'T':
- case 't':
- S_LocalSound ("misc/menu1.wav");
- if (VID_SetMode (modedescs[vid_line].modenum, vid_current_palette))
- {
- vid_testingmode = 1;
- vid_testendtime = realtime + 5.0;
- }
- break;
-
- case 'D':
- case 'd':
- S_LocalSound ("misc/menu1.wav");
- firstupdate = 0;
- Cvar_SetValue ("_vid_default_mode", vid_modenum);
- break;
-
- default:
- break;
- }
-}
-
+/*
+Copyright (C) 1996-1997 Id Software, Inc.
+
+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.
+
+*/
+//
+// vid_dos.c: DOS-specific video routines
+//
+
+#include <unistd.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <dos.h>
+#include <dpmi.h>
+#include <go32.h>
+
+#include "quakedef.h"
+#include "d_local.h"
+#include "dosisms.h"
+#include "vid_dos.h"
+
+int vid_modenum;
+vmode_t *pcurrentmode = NULL;
+int vid_testingmode, vid_realmode;
+double vid_testendtime;
+
+cvar_t vid_mode = {"vid_mode","0", false};
+cvar_t vid_wait = {"vid_wait","0"};
+cvar_t vid_nopageflip = {"vid_nopageflip","0", true};
+cvar_t _vid_wait_override = {"_vid_wait_override", "0", true};
+cvar_t _vid_default_mode = {"_vid_default_mode","0", true};
+cvar_t _vid_default_mode_win = {"_vid_default_mode_win","1", true};
+cvar_t vid_config_x = {"vid_config_x","800", true};
+cvar_t vid_config_y = {"vid_config_y","600", true};
+cvar_t vid_stretch_by_2 = {"vid_stretch_by_2","1", true};
+cvar_t _windowed_mouse = {"_windowed_mouse","0", true};
+cvar_t vid_fullscreen_mode = {"vid_fullscreen_mode","3", true};
+cvar_t vid_windowed_mode = {"vid_windowed_mode","0", true};
+cvar_t block_switch = {"block_switch","0", true};
+cvar_t vid_window_x = {"vid_window_x", "0", true};
+cvar_t vid_window_y = {"vid_window_y", "0", true};
+
+int d_con_indirect = 0;
+
+int numvidmodes;
+vmode_t *pvidmodes;
+
+static int firstupdate = 1;
+
+extern regs_t regs;
+
+void VID_TestMode_f (void);
+void VID_NumModes_f (void);
+void VID_DescribeCurrentMode_f (void);
+void VID_DescribeMode_f (void);
+void VID_DescribeModes_f (void);
+
+byte vid_current_palette[768]; // save for mode changes
+
+
+static qboolean nomodecheck = false;
+
+unsigned short d_8to16table[256]; // not used in 8 bpp mode
+unsigned d_8to24table[256]; // not used in 8 bpp mode
+
+void VID_MenuDraw (void);
+void VID_MenuKey (int key);
+
+
+/*
+================
+VID_Init
+================
+*/
+void VID_Init (unsigned char *palette)
+{
+ Cvar_RegisterVariable (&vid_mode);
+ Cvar_RegisterVariable (&vid_wait);
+ Cvar_RegisterVariable (&vid_nopageflip);
+ Cvar_RegisterVariable (&_vid_wait_override);
+ Cvar_RegisterVariable (&_vid_default_mode);
+ Cvar_RegisterVariable (&_vid_default_mode_win);
+ Cvar_RegisterVariable (&vid_config_x);
+ Cvar_RegisterVariable (&vid_config_y);
+ Cvar_RegisterVariable (&vid_stretch_by_2);
+ Cvar_RegisterVariable (&_windowed_mouse);
+ Cvar_RegisterVariable (&vid_fullscreen_mode);
+ Cvar_RegisterVariable (&vid_windowed_mode);
+ Cvar_RegisterVariable (&block_switch);
+
+ Cmd_AddCommand ("vid_testmode", VID_TestMode_f);
+ Cmd_AddCommand ("vid_nummodes", VID_NumModes_f);
+ Cmd_AddCommand ("vid_describecurrentmode", VID_DescribeCurrentMode_f);
+ Cmd_AddCommand ("vid_describemode", VID_DescribeMode_f);
+ Cmd_AddCommand ("vid_describemodes", VID_DescribeModes_f);
+
+// set up the mode list; note that later inits link in their modes ahead of
+// earlier ones, so the standard VGA modes are always first in the list. This
+// is important because mode 0 must always be VGA mode 0x13
+ if (!COM_CheckParm ("-stdvid"))
+ VID_InitExtra ();
+ VGA_Init ();
+
+ vid_testingmode = 0;
+
+ vid_modenum = vid_mode.value;
+
+ VID_SetMode (vid_modenum, palette);
+
+ vid_realmode = vid_modenum;
+
+ vid_menudrawfn = VID_MenuDraw;
+ vid_menukeyfn = VID_MenuKey;
+}
+
+
+/*
+=================
+VID_GetModePtr
+=================
+*/
+vmode_t *VID_GetModePtr (int modenum)
+{
+ vmode_t *pv;
+
+ pv = pvidmodes;
+ if (!pv)
+ Sys_Error ("VID_GetModePtr: empty vid mode list");
+
+ while (modenum--)
+ {
+ pv = pv->pnext;
+ if (!pv)
+ Sys_Error ("VID_GetModePtr: corrupt vid mode list");
+ }
+
+ return pv;
+}
+
+/*
+================
+VID_NumModes
+================
+*/
+int VID_NumModes ()
+{
+ return (numvidmodes);
+}
+
+
+/*
+================
+VID_ModeInfo
+================
+*/
+char *VID_ModeInfo (int modenum, char **ppheader)
+{
+ static char *badmodestr = "Bad mode number";
+ vmode_t *pv;
+
+ pv = VID_GetModePtr (modenum);
+
+ if (!pv)
+ {
+ if (ppheader)
+ *ppheader = NULL;
+ return badmodestr;
+ }
+ else
+ {
+ if (ppheader)
+ *ppheader = pv->header;
+ return pv->name;
+ }
+}
+
+
+/*
+================
+VID_SetMode
+================
+*/
+int VID_SetMode (int modenum, unsigned char *palette)
+{
+ int stat;
+ vmode_t *pnewmode, *poldmode;
+
+ if ((modenum >= numvidmodes) || (modenum < 0))
+ {
+ Cvar_SetValue ("vid_mode", (float)vid_modenum);
+
+ nomodecheck = true;
+ Con_Printf ("No such video mode: %d\n", modenum);
+ nomodecheck = false;
+
+ if (pcurrentmode == NULL)
+ {
+ modenum = 0; // mode hasn't been set yet, so initialize to base
+ // mode since they gave us an invalid initial mode
+ }
+ else
+ {
+ return 0;
+ }
+ }
+
+ pnewmode = VID_GetModePtr (modenum);
+
+ if (pnewmode == pcurrentmode)
+ return 1; // already in the desired mode
+
+// initialize the new mode
+ poldmode = pcurrentmode;
+ pcurrentmode = pnewmode;
+
+ vid.width = pcurrentmode->width;
+ vid.height = pcurrentmode->height;
+ vid.aspect = pcurrentmode->aspect;
+ vid.rowbytes = pcurrentmode->rowbytes;
+
+ stat = (*pcurrentmode->setmode) (&vid, pcurrentmode);
+
+ if (stat < 1)
+ {
+ if (stat == 0)
+ {
+ // real, hard failure that requires resetting the mode
+ if (!VID_SetMode (vid_modenum, palette)) // restore prior mode
+ Sys_Error ("VID_SetMode: Unable to set any mode, probably "
+ "because there's not enough memory available");
+ Con_Printf ("Failed to set mode %d\n", modenum);
+ return 0;
+ }
+ else if (stat == -1)
+ {
+ // not enough memory; just put things back the way they were
+ pcurrentmode = poldmode;
+ vid.width = pcurrentmode->width;
+ vid.height = pcurrentmode->height;
+ vid.aspect = pcurrentmode->aspect;
+ vid.rowbytes = pcurrentmode->rowbytes;
+ return 0;
+ }
+ else
+ {
+ Sys_Error ("VID_SetMode: invalid setmode return code %d");
+ }
+ }
+
+ (*pcurrentmode->setpalette) (&vid, pcurrentmode, palette);
+
+ vid_modenum = modenum;
+ Cvar_SetValue ("vid_mode", (float)vid_modenum);
+
+ nomodecheck = true;
+ Con_Printf ("%s\n", VID_ModeInfo (vid_modenum, NULL));
+ nomodecheck = false;
+
+ vid.recalc_refdef = 1;
+
+ return 1;
+}
+
+
+/*
+================
+VID_SetPalette
+================
+*/
+void VID_SetPalette (unsigned char *palette)
+{
+ if (palette != vid_current_palette)
+ Q_memcpy(vid_current_palette, palette, 768);
+ (*pcurrentmode->setpalette)(&vid, pcurrentmode, vid_current_palette);
+}
+
+
+/*
+================
+VID_ShiftPalette
+================
+*/
+void VID_ShiftPalette (unsigned char *palette)
+{
+
+ VID_SetPalette (palette);
+}
+
+
+/*
+================
+VID_Shutdown
+================
+*/
+void VID_Shutdown (void)
+{
+
+ regs.h.ah = 0;
+ regs.h.al = 0x3;
+ dos_int86(0x10);
+
+ vid_testingmode = 0;
+}
+
+
+/*
+================
+VID_Update
+================
+*/
+void VID_Update (vrect_t *rects)
+{
+ if (firstupdate && _vid_default_mode.value)
+ {
+ if(_vid_default_mode.value >= numvidmodes)
+ Cvar_SetValue ("_vid_default_mode", 0);
+
+ firstupdate = 0;
+ Cvar_SetValue ("vid_mode", _vid_default_mode.value);
+ }
+
+ (*pcurrentmode->swapbuffers)(&vid, pcurrentmode, rects);
+
+ if (!nomodecheck)
+ {
+ if (vid_testingmode)
+ {
+ if (realtime >= vid_testendtime)
+ {
+ VID_SetMode (vid_realmode, vid_current_palette);
+ vid_testingmode = 0;
+ }
+ }
+ else
+ {
+ if (vid_mode.value != vid_realmode)
+ {
+ VID_SetMode ((int)vid_mode.value, vid_current_palette);
+ Cvar_SetValue ("vid_mode", (float)vid_modenum);
+ // so if mode set fails, we don't keep on
+ // trying to set that mode
+ vid_realmode = vid_modenum;
+ }
+ }
+ }
+}
+
+
+/*
+=================
+VID_NumModes_f
+=================
+*/
+void VID_NumModes_f (void)
+{
+ int nummodes;
+
+ nummodes = VID_NumModes ();
+ if (nummodes == 1)
+ Con_Printf ("%d video mode is available\n", VID_NumModes ());
+ else
+ Con_Printf ("%d video modes are available\n", VID_NumModes ());
+}
+
+
+/*
+=================
+VID_DescribeCurrentMode_f
+=================
+*/
+void VID_DescribeCurrentMode_f (void)
+{
+ Con_Printf ("%s\n", VID_ModeInfo (vid_modenum, NULL));
+}
+
+
+/*
+=================
+VID_DescribeMode_f
+=================
+*/
+void VID_DescribeMode_f (void)
+{
+ int modenum;
+
+ modenum = Q_atoi (Cmd_Argv(1));
+
+ Con_Printf ("%s\n", VID_ModeInfo (modenum, NULL));
+}
+
+
+/*
+=================
+VID_DescribeModes_f
+=================
+*/
+void VID_DescribeModes_f (void)
+{
+ int i, nummodes;
+ char *pinfo, *pheader;
+ vmode_t *pv;
+ qboolean na;
+
+ na = false;
+
+ nummodes = VID_NumModes ();
+ for (i=0 ; i<nummodes ; i++)
+ {
+ pv = VID_GetModePtr (i);
+ pinfo = VID_ModeInfo (i, &pheader);
+ if (pheader)
+ Con_Printf ("\n%s\n", pheader);
+
+ if (VGA_CheckAdequateMem (pv->width, pv->height, pv->rowbytes,
+ (pv->numpages == 1) || vid_nopageflip.value))
+ {
+ Con_Printf ("%2d: %s\n", i, pinfo);
+ }
+ else
+ {
+ Con_Printf ("**: %s\n", pinfo);
+ na = true;
+ }
+ }
+
+ if (na)
+ {
+ Con_Printf ("\n[**: not enough system RAM for mode]\n");
+ }
+}
+
+
+/*
+=================
+VID_GetModeDescription
+=================
+*/
+char *VID_GetModeDescription (int mode)
+{
+ char *pinfo, *pheader;
+ vmode_t *pv;
+
+ pv = VID_GetModePtr (mode);
+ pinfo = VID_ModeInfo (mode, &pheader);
+
+ if (VGA_CheckAdequateMem (pv->width, pv->height, pv->rowbytes,
+ (pv->numpages == 1) || vid_nopageflip.value))
+ {
+ return pinfo;
+ }
+ else
+ {
+ return NULL;
+ }
+}
+
+
+/*
+=================
+VID_TestMode_f
+=================
+*/
+void VID_TestMode_f (void)
+{
+ int modenum;
+ double testduration;
+
+ if (!vid_testingmode)
+ {
+ modenum = Q_atoi (Cmd_Argv(1));
+
+ if (VID_SetMode (modenum, vid_current_palette))
+ {
+ vid_testingmode = 1;
+ testduration = Q_atof (Cmd_Argv(2));
+ if (testduration == 0)
+ testduration = 5.0;
+ vid_testendtime = realtime + testduration;
+ }
+ }
+}
+
+
+/*
+================
+D_BeginDirectRect
+================
+*/
+void D_BeginDirectRect (int x, int y, byte *pbitmap, int width, int height)
+{
+
+ if (!vid.direct || !pcurrentmode)
+ return;
+
+ if ((width > 24) || (height > 24) || (width < 1) || (height < 1))
+ return;
+
+ if (width & 0x03)
+ return;
+
+ (*pcurrentmode->begindirectrect) (&vid, pcurrentmode, x, y, pbitmap, width,
+ height);
+}
+
+
+/*
+================
+D_EndDirectRect
+================
+*/
+void D_EndDirectRect (int x, int y, int width, int height)
+{
+
+ if (!vid.direct || !pcurrentmode)
+ return;
+
+ if ((width > 24) || (height > 24) || (width < 1) || (height < 1))
+ return;
+
+ if ((width & 0x03) || (height & 0x03))
+ return;
+
+ (*pcurrentmode->enddirectrect) (&vid, pcurrentmode, x, y, width, height);
+}
+
+
+//===========================================================================
+
+extern void M_Menu_Options_f (void);
+extern void M_Print (int cx, int cy, char *str);
+extern void M_PrintWhite (int cx, int cy, char *str);
+extern void M_DrawCharacter (int cx, int line, int num);
+extern void M_DrawTransPic (int x, int y, qpic_t *pic);
+extern void M_DrawPic (int x, int y, qpic_t *pic);
+
+static int vid_line, vid_wmodes, vid_column_size;
+
+typedef struct
+{
+ int modenum;
+ char *desc;
+ int iscur;
+} modedesc_t;
+
+#define MAX_COLUMN_SIZE 11
+
+#define MAX_MODEDESCS (MAX_COLUMN_SIZE*3)
+
+static modedesc_t modedescs[MAX_MODEDESCS];
+
+/*
+================
+VID_MenuDraw
+================
+*/
+void VID_MenuDraw (void)
+{
+ qpic_t *p;
+ char *ptr;
+ int nummodes, i, j, column, row, dup;
+ char temp[100];
+
+ vid_wmodes = 0;
+ nummodes = VID_NumModes ();
+
+ p = Draw_CachePic ("gfx/vidmodes.lmp");
+ M_DrawPic ( (320-p->width)/2, 4, p);
+
+ for (i=0 ; i<nummodes ; i++)
+ {
+ if (vid_wmodes < MAX_MODEDESCS)
+ {
+ if (i != 1)
+ {
+ ptr = VID_GetModeDescription (i);
+
+ if (ptr)
+ {
+ dup = 0;
+
+ for (j=0 ; j<vid_wmodes ; j++)
+ {
+ if (!strcmp (modedescs[j].desc, ptr))
+ {
+ if (modedescs[j].modenum != 0)
+ {
+ modedescs[j].modenum = i;
+ dup = 1;
+
+ if (i == vid_modenum)
+ modedescs[j].iscur = 1;
+ }
+ else
+ {
+ dup = 1;
+ }
+
+ break;
+ }
+ }
+
+ if (!dup)
+ {
+ modedescs[vid_wmodes].modenum = i;
+ modedescs[vid_wmodes].desc = ptr;
+ modedescs[vid_wmodes].iscur = 0;
+
+ if (i == vid_modenum)
+ modedescs[vid_wmodes].iscur = 1;
+
+ vid_wmodes++;
+ }
+ }
+ }
+ }
+ }
+
+ vid_column_size = (vid_wmodes + 2) / 3;
+
+ column = 16;
+ row = 36;
+
+ for (i=0 ; i<vid_wmodes ; i++)
+ {
+ if (modedescs[i].iscur)
+ M_PrintWhite (column, row, modedescs[i].desc);
+ else
+ M_Print (column, row, modedescs[i].desc);
+
+ row += 8;
+
+ if ((i % vid_column_size) == (vid_column_size - 1))
+ {
+ column += 13*8;
+ row = 36;
+ }
+ }
+
+// line cursor
+ if (vid_testingmode)
+ {
+ sprintf (temp, "TESTING %s",
+ modedescs[vid_line].desc);
+ M_Print (13*8, 36 + MAX_COLUMN_SIZE * 8 + 8*4, temp);
+ M_Print (9*8, 36 + MAX_COLUMN_SIZE * 8 + 8*6,
+ "Please wait 5 seconds...");
+ }
+ else
+ {
+ M_Print (9*8, 36 + MAX_COLUMN_SIZE * 8 + 8,
+ "Press Enter to set mode");
+ M_Print (6*8, 36 + MAX_COLUMN_SIZE * 8 + 8*3,
+ "T to test mode for 5 seconds");
+ ptr = VID_GetModeDescription (vid_modenum);
+ sprintf (temp, "D to make %s the default", ptr);
+ M_Print (6*8, 36 + MAX_COLUMN_SIZE * 8 + 8*5, temp);
+ ptr = VID_GetModeDescription ((int)_vid_default_mode.value);
+
+ if (ptr)
+ {
+ sprintf (temp, "Current default is %s", ptr);
+ M_Print (7*8, 36 + MAX_COLUMN_SIZE * 8 + 8*6, temp);
+ }
+
+ M_Print (15*8, 36 + MAX_COLUMN_SIZE * 8 + 8*8,
+ "Esc to exit");
+
+ row = 36 + (vid_line % vid_column_size) * 8;
+ column = 8 + (vid_line / vid_column_size) * 13*8;
+
+ M_DrawCharacter (column, row, 12+((int)(realtime*4)&1));
+ }
+}
+
+
+/*
+================
+VID_MenuKey
+================
+*/
+void VID_MenuKey (int key)
+{
+ if (vid_testingmode)
+ return;
+
+ switch (key)
+ {
+ case K_ESCAPE:
+ S_LocalSound ("misc/menu1.wav");
+ M_Menu_Options_f ();
+ break;
+
+ case K_UPARROW:
+ S_LocalSound ("misc/menu1.wav");
+ vid_line--;
+
+ if (vid_line < 0)
+ vid_line = vid_wmodes - 1;
+ break;
+
+ case K_DOWNARROW:
+ S_LocalSound ("misc/menu1.wav");
+ vid_line++;
+
+ if (vid_line >= vid_wmodes)
+ vid_line = 0;
+ break;
+
+ case K_LEFTARROW:
+ S_LocalSound ("misc/menu1.wav");
+ vid_line -= vid_column_size;
+
+ if (vid_line < 0)
+ {
+ vid_line += ((vid_wmodes + (vid_column_size - 1)) /
+ vid_column_size) * vid_column_size;
+
+ while (vid_line >= vid_wmodes)
+ vid_line -= vid_column_size;
+ }
+ break;
+
+ case K_RIGHTARROW:
+ S_LocalSound ("misc/menu1.wav");
+ vid_line += vid_column_size;
+
+ if (vid_line >= vid_wmodes)
+ {
+ vid_line -= ((vid_wmodes + (vid_column_size - 1)) /
+ vid_column_size) * vid_column_size;
+
+ while (vid_line < 0)
+ vid_line += vid_column_size;
+ }
+ break;
+
+ case K_ENTER:
+ S_LocalSound ("misc/menu1.wav");
+ VID_SetMode (modedescs[vid_line].modenum, vid_current_palette);
+ break;
+
+ case 'T':
+ case 't':
+ S_LocalSound ("misc/menu1.wav");
+ if (VID_SetMode (modedescs[vid_line].modenum, vid_current_palette))
+ {
+ vid_testingmode = 1;
+ vid_testendtime = realtime + 5.0;
+ }
+ break;
+
+ case 'D':
+ case 'd':
+ S_LocalSound ("misc/menu1.wav");
+ firstupdate = 0;
+ Cvar_SetValue ("_vid_default_mode", vid_modenum);
+ break;
+
+ default:
+ break;
+ }
+}
+
generated by cgit v1.2.3 (git 2.39.1) at 2026-10-05 23:44:00 +0000