diff options
Diffstat (limited to 'apps/plugins/sdl/progs/quake/screen.c')
| -rw-r--r-- | apps/plugins/sdl/progs/quake/screen.c | 991 |
1 files changed, 991 insertions, 0 deletions
diff --git a/apps/plugins/sdl/progs/quake/screen.c b/apps/plugins/sdl/progs/quake/screen.c new file mode 100644 index 0000000..b39be67 --- /dev/null +++ b/apps/plugins/sdl/progs/quake/screen.c @@ -0,0 +1,991 @@ +/* +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. + +*/ +// screen.c -- master for refresh, status bar, console, chat, notify, etc + +#include "quakedef.h" +#include "r_local.h" + +// only the refresh window will be updated unless these variables are flagged +int scr_copytop; +int scr_copyeverything; + +float scr_con_current; +float scr_conlines; // lines of console to display + +float oldscreensize, oldfov; +cvar_t scr_viewsize = {"viewsize","100", true}; +cvar_t scr_fov = {"fov","90"}; // 10 - 170 +cvar_t scr_conspeed = {"scr_conspeed","300"}; +cvar_t scr_centertime = {"scr_centertime","2"}; +cvar_t scr_showram = {"showram","1"}; +cvar_t scr_showturtle = {"showturtle","0"}; +cvar_t scr_showpause = {"showpause","1"}; +cvar_t scr_printspeed = {"scr_printspeed","8"}; + +qboolean scr_initialized; // ready to draw + +qpic_t *scr_ram; +qpic_t *scr_net; +qpic_t *scr_turtle; + +int scr_fullupdate; + +int clearconsole; +int clearnotify; + +viddef_t vid; // global video state + +vrect_t *pconupdate; +vrect_t scr_vrect; + +qboolean scr_disabled_for_loading; +qboolean scr_drawloading; +float scr_disabled_time; +qboolean scr_skipupdate; + +qboolean block_drawing; + +void SCR_ScreenShot_f (void); + +/* +=============================================================================== + +CENTER PRINTING + +=============================================================================== +*/ + +char scr_centerstring[1024]; +float scr_centertime_start; // for slow victory printing +float scr_centertime_off; +int scr_center_lines; +int scr_erase_lines; +int scr_erase_center; + +/* +============== +SCR_CenterPrint + +Called for important messages that should stay in the center of the screen +for a few moments +============== +*/ +void SCR_CenterPrint (char *str) +{ + strncpy (scr_centerstring, str, sizeof(scr_centerstring)-1); + scr_centertime_off = scr_centertime.value; + scr_centertime_start = cl.time; + +// count the number of lines for centering + scr_center_lines = 1; + while (*str) + { + if (*str == '\n') + scr_center_lines++; + str++; + } +} + +void SCR_EraseCenterString (void) +{ + int y; + + if (scr_erase_center++ > vid.numpages) + { + scr_erase_lines = 0; + return; + } + + if (scr_center_lines <= 4) + y = vid.height*0.35; + else + y = 48; + + scr_copytop = 1; + Draw_TileClear (0, y,vid.width, 8*scr_erase_lines); +} + +void SCR_DrawCenterString (void) +{ + char *start; + int l; + int j; + int x, y; + int remaining; + +// the finale prints the characters one at a time + if (cl.intermission) + remaining = scr_printspeed.value * (cl.time - scr_centertime_start); + else + remaining = 9999; + + scr_erase_center = 0; + start = scr_centerstring; + + if (scr_center_lines <= 4) + y = vid.height*0.35; + else + y = 48; + + do + { + // scan the width of the line + for (l=0 ; l<40 ; l++) + if (start[l] == '\n' || !start[l]) + break; + x = (vid.width - l*8)/2; + for (j=0 ; j<l ; j++, x+=8) + { + Draw_Character (x, y, start[j]); + if (!remaining--) + return; + } + + y += 8; + + while (*start && *start != '\n') + start++; + + if (!*start) + break; + start++; // skip the \n + } while (1); +} + +void SCR_CheckDrawCenterString (void) +{ + scr_copytop = 1; + if (scr_center_lines > scr_erase_lines) + scr_erase_lines = scr_center_lines; + + scr_centertime_off -= host_frametime; + + if (scr_centertime_off <= 0 && !cl.intermission) + return; + if (key_dest != key_game) + return; + + SCR_DrawCenterString (); +} + +//============================================================================= + +/* +==================== +CalcFov +==================== +*/ +float CalcFov (float fov_x, float width, float height) +{ + float a; + float x; + + if (fov_x < 1 || fov_x > 179) + Sys_Error ("Bad fov: %f", fov_x); + + x = width/tan(fov_x/360*M_PI); + + a = atan (height/x); + + a = a*360/M_PI; + + return a; +} + +/* +================= +SCR_CalcRefdef + +Must be called whenever vid changes +Internal use only +================= +*/ +static void SCR_CalcRefdef (void) +{ + vrect_t vrect; + float size; + + scr_fullupdate = 0; // force a background redraw + vid.recalc_refdef = 0; + +// force the status bar to redraw + Sbar_Changed (); + +//======================================== + +// bound viewsize + if (scr_viewsize.value < 30) + Cvar_Set ("viewsize","30"); + if (scr_viewsize.value > 120) + Cvar_Set ("viewsize","120"); + +// bound field of view + if (scr_fov.value < 10) + Cvar_Set ("fov","10"); + if (scr_fov.value > 170) + Cvar_Set ("fov","170"); + + r_refdef.fov_x = scr_fov.value; + r_refdef.fov_y = CalcFov (r_refdef.fov_x, r_refdef.vrect.width, r_refdef.vrect.height); + +// intermission is always full screen + if (cl.intermission) + size = 120; + else + size = scr_viewsize.value; + + if (size >= 120) + sb_lines = 0; // no status bar at all + else if (size >= 110) + sb_lines = 24; // no inventory + else + sb_lines = 24+16+8; + +// these calculations mirror those in R_Init() for r_refdef, but take no +// account of water warping + vrect.x = 0; + vrect.y = 0; + vrect.width = vid.width; + vrect.height = vid.height; + + R_SetVrect (&vrect, &scr_vrect, sb_lines); + +// guard against going from one mode to another that's less than half the +// vertical resolution + if (scr_con_current > vid.height) + scr_con_current = vid.height; + +// notify the refresh of the change + R_ViewChanged (&vrect, sb_lines, vid.aspect); +} + + +/* +================= +SCR_SizeUp_f + +Keybinding command +================= +*/ +void SCR_SizeUp_f (void) +{ + Cvar_SetValue ("viewsize",scr_viewsize.value+10); + vid.recalc_refdef = 1; +} + + +/* +================= +SCR_SizeDown_f + +Keybinding command +================= +*/ +void SCR_SizeDown_f (void) +{ + Cvar_SetValue ("viewsize",scr_viewsize.value-10); + vid.recalc_refdef = 1; +} + +//============================================================================ + +/* +================== +SCR_Init +================== +*/ +void SCR_Init (void) +{ + Cvar_RegisterVariable (&scr_fov); + Cvar_RegisterVariable (&scr_viewsize); + Cvar_RegisterVariable (&scr_conspeed); + Cvar_RegisterVariable (&scr_showram); + Cvar_RegisterVariable (&scr_showturtle); + Cvar_RegisterVariable (&scr_showpause); + Cvar_RegisterVariable (&scr_centertime); + Cvar_RegisterVariable (&scr_printspeed); + +// +// register our commands +// + Cmd_AddCommand ("screenshot",SCR_ScreenShot_f); + Cmd_AddCommand ("sizeup",SCR_SizeUp_f); + Cmd_AddCommand ("sizedown",SCR_SizeDown_f); + + scr_ram = Draw_PicFromWad ("ram"); + scr_net = Draw_PicFromWad ("net"); + scr_turtle = Draw_PicFromWad ("turtle"); + + scr_initialized = true; +} + + + +/* +============== +SCR_DrawRam +============== +*/ +void SCR_DrawRam (void) +{ + if (!scr_showram.value) + return; + + if (!r_cache_thrash) + return; + + Draw_Pic (scr_vrect.x+32, scr_vrect.y, scr_ram); +} + +/* +============== +SCR_DrawTurtle +============== +*/ +void SCR_DrawTurtle (void) +{ + static int count; + + if (!scr_showturtle.value) + return; + + if (host_frametime < 0.1) + { + count = 0; + return; + } + + count++; + if (count < 3) + return; + + Draw_Pic (scr_vrect.x, scr_vrect.y, scr_turtle); +} + +/* +============== +SCR_DrawNet +============== +*/ +void SCR_DrawNet (void) +{ + if (realtime - cl.last_received_message < 0.3) + return; + if (cls.demoplayback) + return; + + Draw_Pic (scr_vrect.x+64, scr_vrect.y, scr_net); +} + +/* +============== +DrawPause +============== +*/ +void SCR_DrawPause (void) +{ + qpic_t *pic; + + if (!scr_showpause.value) // turn off for screenshots + return; + + if (!cl.paused) + return; + + pic = Draw_CachePic ("gfx/pause.lmp"); + Draw_Pic ( (vid.width - pic->width)/2, + (vid.height - 48 - pic->height)/2, pic); +} + + + +/* +============== +SCR_DrawLoading +============== +*/ +void SCR_DrawLoading (void) +{ + qpic_t *pic; + + if (!scr_drawloading) + return; + + pic = Draw_CachePic ("gfx/loading.lmp"); + Draw_Pic ( (vid.width - pic->width)/2, + (vid.height - 48 - pic->height)/2, pic); +} + + + +//============================================================================= + + +/* +================== +SCR_SetUpToDrawConsole +================== +*/ +void SCR_SetUpToDrawConsole (void) +{ + Con_CheckResize (); + + if (scr_drawloading) + return; // never a console with loading plaque + +// decide on the height of the console + con_forcedup = !cl.worldmodel || cls.signon != SIGNONS; + + if (con_forcedup) + { + scr_conlines = vid.height; // full screen + scr_con_current = scr_conlines; + } + else if (key_dest == key_console) + scr_conlines = vid.height/2; // half screen + else + scr_conlines = 0; // none visible + + if (scr_conlines < scr_con_current) + { + scr_con_current -= scr_conspeed.value*host_frametime; + if (scr_conlines > scr_con_current) + scr_con_current = scr_conlines; + + } + else if (scr_conlines > scr_con_current) + { + scr_con_current += scr_conspeed.value*host_frametime; + if (scr_conlines < scr_con_current) + scr_con_current = scr_conlines; + } + + if (clearconsole++ < vid.numpages) + { + scr_copytop = 1; + Draw_TileClear (0,(int)scr_con_current,vid.width, vid.height - (int)scr_con_current); + Sbar_Changed (); + } + else if (clearnotify++ < vid.numpages) + { + scr_copytop = 1; + Draw_TileClear (0,0,vid.width, con_notifylines); + } + else + con_notifylines = 0; +} + +/* +================== +SCR_DrawConsole +================== +*/ +void SCR_DrawConsole (void) +{ + if (scr_con_current) + { + scr_copyeverything = 1; + Con_DrawConsole (scr_con_current, true); + clearconsole = 0; + } + else + { + if (key_dest == key_game || key_dest == key_message) + Con_DrawNotify (); // only draw notify in game + } +} + + +/* +============================================================================== + + SCREEN SHOTS + +============================================================================== +*/ + + +typedef struct +{ + char manufacturer; + char version; + char encoding; + char bits_per_pixel; + unsigned short xmin,ymin,xmax,ymax; + unsigned short hres,vres; + unsigned char palette[48]; + char reserved; + char color_planes; + unsigned short bytes_per_line; + unsigned short palette_type; + char filler[58]; + unsigned char data; // unbounded +} pcx_t; + +/* +============== +WritePCXfile +============== +*/ +void WritePCXfile (char *filename, byte *data, int width, int height, + int rowbytes, byte *palette) +{ + int i, j, length; + pcx_t *pcx; + byte *pack; + + pcx = Hunk_TempAlloc (width*height*2+1000); + if (pcx == NULL) + { + Con_Printf("SCR_ScreenShot_f: not enough memory\n"); + return; + } + + pcx->manufacturer = 0x0a; // PCX id + pcx->version = 5; // 256 color + pcx->encoding = 1; // uncompressed + pcx->bits_per_pixel = 8; // 256 color + pcx->xmin = 0; + pcx->ymin = 0; + pcx->xmax = LittleShort((short)(width-1)); + pcx->ymax = LittleShort((short)(height-1)); + pcx->hres = LittleShort((short)width); + pcx->vres = LittleShort((short)height); + Q_memset (pcx->palette,0,sizeof(pcx->palette)); + pcx->color_planes = 1; // chunky image + pcx->bytes_per_line = LittleShort((short)width); + pcx->palette_type = LittleShort(2); // not a grey scale + Q_memset (pcx->filler,0,sizeof(pcx->filler)); + +// pack the image + pack = &pcx->data; + + for (i=0 ; i<height ; i++) + { + for (j=0 ; j<width ; j++) + { + if ( (*data & 0xc0) != 0xc0) + *pack++ = *data++; + else + { + *pack++ = 0xc1; + *pack++ = *data++; + } + } + + data += rowbytes - width; + } + +// write the palette + *pack++ = 0x0c; // palette ID byte + for (i=0 ; i<768 ; i++) + *pack++ = *palette++; + +// write output file + length = pack - (byte *)pcx; + COM_WriteFile (filename, pcx, length); +} + + + +/* +================== +SCR_ScreenShot_f +================== +*/ +void SCR_ScreenShot_f (void) +{ + int i; + char pcxname[80]; + char checkname[MAX_OSPATH]; + +// +// find a file name to save it to +// + strcpy(pcxname,"quake00.pcx"); + + for (i=0 ; i<=99 ; i++) + { + pcxname[5] = i/10 + '0'; + pcxname[6] = i%10 + '0'; + sprintf (checkname, "%s/%s", com_gamedir, pcxname); + if (Sys_FileTime(checkname) == -1) + break; // file doesn't exist + } + if (i==100) + { + Con_Printf ("SCR_ScreenShot_f: Couldn't create a PCX file\n"); + return; + } + +// +// save the pcx file +// + D_EnableBackBufferAccess (); // enable direct drawing of console to back + // buffer + + WritePCXfile (pcxname, vid.buffer, vid.width, vid.height, vid.rowbytes, + host_basepal); + + D_DisableBackBufferAccess (); // for adapters that can't stay mapped in + // for linear writes all the time + + Con_Printf ("Wrote %s\n", pcxname); +} + + +//============================================================================= + + +/* +=============== +SCR_BeginLoadingPlaque + +================ +*/ +void SCR_BeginLoadingPlaque (void) +{ + S_StopAllSounds (true); + + if (cls.state != ca_connected) + return; + if (cls.signon != SIGNONS) + return; + +// redraw with no console and the loading plaque + Con_ClearNotify (); + scr_centertime_off = 0; + scr_con_current = 0; + + scr_drawloading = true; + scr_fullupdate = 0; + Sbar_Changed (); + SCR_UpdateScreen (); + scr_drawloading = false; + + scr_disabled_for_loading = true; + scr_disabled_time = realtime; + scr_fullupdate = 0; +} + +/* +=============== +SCR_EndLoadingPlaque + +================ +*/ +void SCR_EndLoadingPlaque (void) +{ + scr_disabled_for_loading = false; + scr_fullupdate = 0; + Con_ClearNotify (); +} + +//============================================================================= + +char *scr_notifystring; +qboolean scr_drawdialog; + +void SCR_DrawNotifyString (void) +{ + char *start; + int l; + int j; + int x, y; + + start = scr_notifystring; + + y = vid.height*0.35; + + do + { + // scan the width of the line + for (l=0 ; l<40 ; l++) + if (start[l] == '\n' || !start[l]) + break; + x = (vid.width - l*8)/2; + for (j=0 ; j<l ; j++, x+=8) + Draw_Character (x, y, start[j]); + + y += 8; + + while (*start && *start != '\n') + start++; + + if (!*start) + break; + start++; // skip the \n + } while (1); +} + +/* +================== +SCR_ModalMessage + +Displays a text string in the center of the screen and waits for a Y or N +keypress. +================== +*/ +int SCR_ModalMessage (char *text) +{ + if (cls.state == ca_dedicated) + return true; + + scr_notifystring = text; + +// draw a fresh screen + scr_fullupdate = 0; + scr_drawdialog = true; + SCR_UpdateScreen (); + scr_drawdialog = false; + + S_ClearBuffer (); // so dma doesn't loop current sound + + do + { + key_count = -1; // wait for a key down and up + Sys_SendKeyEvents (); + } while (key_lastpress != 'y' && key_lastpress != 'n' && key_lastpress != K_ESCAPE); + + scr_fullupdate = 0; + SCR_UpdateScreen (); + + return key_lastpress == 'y'; +} + + +//============================================================================= + +/* +=============== +SCR_BringDownConsole + +Brings the console down and fades the palettes back to normal +================ +*/ +void SCR_BringDownConsole (void) +{ + int i; + + scr_centertime_off = 0; + + for (i=0 ; i<20 && scr_conlines != scr_con_current ; i++) + SCR_UpdateScreen (); + + cl.cshifts[0].percent = 0; // no area contents palette on next frame + VID_SetPalette (host_basepal); +} + + +/* +================== +SCR_UpdateScreen + +This is called every frame, and can also be called explicitly to flush +text to the screen. + +WARNING: be very careful calling this from elsewhere, because the refresh +needs almost the entire 256k of stack space! +================== +*/ +void SCR_UpdateScreen (void) +{ + static float oldscr_viewsize; + static float oldlcd_x; + vrect_t vrect; + + if (scr_skipupdate || block_drawing) + return; + + scr_copytop = 0; + scr_copyeverything = 0; + + if (scr_disabled_for_loading) + { + if (realtime - scr_disabled_time > 60) + { + scr_disabled_for_loading = false; + Con_Printf ("load failed.\n"); + } + else + return; + } + + if (cls.state == ca_dedicated) + return; // stdout only + + if (!scr_initialized || !con_initialized) + return; // not initialized yet + + if (scr_viewsize.value != oldscr_viewsize) + { + oldscr_viewsize = scr_viewsize.value; + vid.recalc_refdef = 1; + } + +// +// check for vid changes +// + if (oldfov != scr_fov.value) + { + oldfov = scr_fov.value; + vid.recalc_refdef = true; + } + + if (oldlcd_x != lcd_x.value) + { + oldlcd_x = lcd_x.value; + vid.recalc_refdef = true; + } + + if (oldscreensize != scr_viewsize.value) + { + oldscreensize = scr_viewsize.value; + vid.recalc_refdef = true; + } + + if (vid.recalc_refdef) + { + // something changed, so reorder the screen + SCR_CalcRefdef (); + } + +// +// do 3D refresh drawing, and then update the screen +// + D_EnableBackBufferAccess (); // of all overlay stuff if drawing directly + + if (scr_fullupdate++ < vid.numpages) + { // clear the entire screen + scr_copyeverything = 1; + Draw_TileClear (0,0,vid.width,vid.height); + Sbar_Changed (); + } + + pconupdate = NULL; + + + SCR_SetUpToDrawConsole (); + SCR_EraseCenterString (); + + D_DisableBackBufferAccess (); // for adapters that can't stay mapped in + // for linear writes all the time + + VID_LockBuffer (); + + V_RenderView (); + + VID_UnlockBuffer (); + + D_EnableBackBufferAccess (); // of all overlay stuff if drawing directly + + if (scr_drawdialog) + { + Sbar_Draw (); + Draw_FadeScreen (); + SCR_DrawNotifyString (); + scr_copyeverything = true; + } + else if (scr_drawloading) + { + SCR_DrawLoading (); + Sbar_Draw (); + } + else if (cl.intermission == 1 && key_dest == key_game) + { + Sbar_IntermissionOverlay (); + } + else if (cl.intermission == 2 && key_dest == key_game) + { + Sbar_FinaleOverlay (); + SCR_CheckDrawCenterString (); + } + else if (cl.intermission == 3 && key_dest == key_game) + { + SCR_CheckDrawCenterString (); + } + else + { + SCR_DrawRam (); + SCR_DrawNet (); + SCR_DrawTurtle (); + SCR_DrawPause (); + SCR_CheckDrawCenterString (); + Sbar_Draw (); + SCR_DrawConsole (); + M_Draw (); + } + + D_DisableBackBufferAccess (); // for adapters that can't stay mapped in + // for linear writes all the time + if (pconupdate) + { + D_UpdateRects (pconupdate); + } + + V_UpdatePalette (); + +// +// update one of three areas +// + + if (scr_copyeverything) + { + vrect.x = 0; + vrect.y = 0; + vrect.width = vid.width; + vrect.height = vid.height; + vrect.pnext = 0; + + VID_Update (&vrect); + } + else if (scr_copytop) + { + vrect.x = 0; + vrect.y = 0; + vrect.width = vid.width; + vrect.height = vid.height - sb_lines; + vrect.pnext = 0; + + VID_Update (&vrect); + } + else + { + vrect.x = scr_vrect.x; + vrect.y = scr_vrect.y; + vrect.width = scr_vrect.width; + vrect.height = scr_vrect.height; + vrect.pnext = 0; + + VID_Update (&vrect); + } +} + + +/* +================== +SCR_UpdateWholeScreen +================== +*/ +void SCR_UpdateWholeScreen (void) +{ + scr_fullupdate = 0; + SCR_UpdateScreen (); +} |