ref: a63d5778cb72c91bf1b14aaa4453a0239cc4a823
dir: /console.c/
#include <u.h> #include <libc.h> #include <stdio.h> #include "quakedef.h" int con_linewidth; float con_cursorspeed = 4; #define CON_TEXTSIZE 16384 qboolean con_forcedup; // because no entities to refresh int con_totallines; // total lines in console scrollback int con_backscroll; // lines up from bottom to display int con_current; // where next message will be printed int con_x; // offset in current line for next print char *con_text=0; cvar_t con_notifytime = {"con_notifytime","3"}; //seconds #define NUM_CON_TIMES 4 float con_times[NUM_CON_TIMES]; // realtime time the line was generated // for transparent notify lines int con_vislines; #define MAXCMDLINE 256 extern char key_lines[32][MAXCMDLINE]; extern int edit_line; extern int key_linepos; qboolean con_initialized; int con_notifylines; // scan lines to clear for notify lines extern void M_Menu_Main_f (void); /* ================ Con_ToggleConsole_f ================ */ void Con_ToggleConsole_f (void) { if (key_dest == key_console) { if (cls.state == ca_connected) { key_dest = key_game; key_lines[edit_line][1] = 0; // clear any typing key_linepos = 1; } else { M_Menu_Main_f (); } } else key_dest = key_console; SCR_EndLoadingPlaque (); memset (con_times, 0, sizeof(con_times)); } /* ================ Con_Clear_f ================ */ void Con_Clear_f (void) { if (con_text) Q_memset (con_text, ' ', CON_TEXTSIZE); } /* ================ Con_ClearNotify ================ */ void Con_ClearNotify (void) { int i; for (i=0 ; i<NUM_CON_TIMES ; i++) con_times[i] = 0; } /* ================ Con_MessageMode_f ================ */ extern qboolean team_message; void Con_MessageMode_f (void) { key_dest = key_message; team_message = false; } /* ================ Con_MessageMode2_f ================ */ void Con_MessageMode2_f (void) { key_dest = key_message; team_message = true; } /* ================ Con_CheckResize If the line width has changed, reformat the buffer. ================ */ void Con_CheckResize (void) { int i, j, width, oldwidth, oldtotallines, numlines, numchars; char tbuf[CON_TEXTSIZE]; width = (vid.width >> 3) - 2; if (width == con_linewidth) return; if (width < 1) // video hasn't been initialized yet { width = 38; con_linewidth = width; con_totallines = CON_TEXTSIZE / con_linewidth; Q_memset (con_text, ' ', CON_TEXTSIZE); } else { oldwidth = con_linewidth; con_linewidth = width; oldtotallines = con_totallines; con_totallines = CON_TEXTSIZE / con_linewidth; numlines = oldtotallines; if (con_totallines < numlines) numlines = con_totallines; numchars = oldwidth; if (con_linewidth < numchars) numchars = con_linewidth; Q_memcpy (tbuf, con_text, CON_TEXTSIZE); Q_memset (con_text, ' ', CON_TEXTSIZE); for (i=0 ; i<numlines ; i++) { for (j=0 ; j<numchars ; j++) { con_text[(con_totallines - 1 - i) * con_linewidth + j] = tbuf[((con_current - i + oldtotallines) % oldtotallines) * oldwidth + j]; } } Con_ClearNotify (); } con_backscroll = 0; con_current = con_totallines - 1; } /* ================ Con_Init ================ */ void Con_Init (void) { con_text = Hunk_AllocName (CON_TEXTSIZE, "context"); Q_memset (con_text, ' ', CON_TEXTSIZE); con_linewidth = -1; Con_CheckResize (); Con_Printf ("Console initialized.\n"); // // register our commands // Cvar_RegisterVariable (&con_notifytime); Cmd_AddCommand ("toggleconsole", Con_ToggleConsole_f); Cmd_AddCommand ("messagemode", Con_MessageMode_f); Cmd_AddCommand ("messagemode2", Con_MessageMode2_f); Cmd_AddCommand ("clear", Con_Clear_f); con_initialized = true; } /* =============== Con_Linefeed =============== */ void Con_Linefeed (void) { con_x = 0; con_current++; Q_memset (&con_text[(con_current%con_totallines)*con_linewidth] , ' ', con_linewidth); } /* ================ Con_Print Handles cursor positioning, line wrapping, etc All console printing must go through this in order to be logged to disk If no console is visible, the notify window will pop up. ================ */ void Con_Print (char *txt) { int y; int c, l; static int cr; int mask; con_backscroll = 0; if (txt[0] == 1) { mask = 128; // go to colored text S_LocalSound ("misc/talk.wav"); // play talk wav txt++; } else if (txt[0] == 2) { mask = 128; // go to colored text txt++; } else mask = 0; while ( (c = *txt) ) { // count word length for (l=0 ; l< con_linewidth ; l++) if ( txt[l] <= ' ') break; // word wrap if (l != con_linewidth && (con_x + l > con_linewidth) ) con_x = 0; txt++; if (cr) { con_current--; cr = false; } if (!con_x) { Con_Linefeed (); // mark time for transparent overlay if (con_current >= 0) con_times[con_current % NUM_CON_TIMES] = realtime; } switch (c) { case '\n': con_x = 0; break; case '\r': con_x = 0; cr = 1; break; default: // display character and advance y = con_current % con_totallines; con_text[y*con_linewidth+con_x] = c | mask; con_x++; if (con_x >= con_linewidth) con_x = 0; break; } } } /* ================ Con_Printf Handles cursor positioning, line wrapping, etc ================ */ #define MAXPRINTMSG 4096 // FIXME: make a buffer size safe vsprintf? void Con_Printf (char *fmt, ...) { va_list argptr; char msg[MAXPRINTMSG]; static qboolean inupdate; va_start (argptr,fmt); vseprint (msg,msg+sizeof(msg),fmt,argptr); va_end (argptr); // also echo to debugging console Sys_Printf ("%s", msg); // also echo to debugging console if (!con_initialized) return; if (cls.state == ca_dedicated) return; // no graphics mode // write it to the scrollable buffer Con_Print (msg); // update the screen if the console is displayed if (cls.signon != SIGNONS && !scr_disabled_for_loading ) { // protect against infinite loop if something in SCR_UpdateScreen calls // Con_Printd if (!inupdate) { inupdate = true; SCR_UpdateScreen (); inupdate = false; } } } /* ================ Con_DPrintf A Con_Printf that only shows up if the "developer" cvar is set ================ */ void Con_DPrintf (char *fmt, ...) { va_list argptr; char msg[MAXPRINTMSG]; if (!developer.value) return; // don't confuse non-developers with techie stuff... va_start (argptr,fmt); vseprint (msg,msg+sizeof(msg),fmt,argptr); va_end (argptr); Con_Printf ("%s", msg); } /* ================== Con_SafePrintf Okay to call even when the screen can't be updated ================== */ void Con_SafePrintf (char *fmt, ...) { va_list argptr; char msg[1024]; int temp; va_start (argptr,fmt); vseprint (msg,msg+sizeof(msg),fmt,argptr); va_end (argptr); temp = scr_disabled_for_loading; scr_disabled_for_loading = true; Con_Printf ("%s", msg); scr_disabled_for_loading = temp; } /* ============================================================================== DRAWING ============================================================================== */ /* ================ Con_DrawInput The input line scrolls horizontally if typing goes beyond the right edge ================ */ void Con_DrawInput (void) { int y; int i; char *text; if (key_dest != key_console && !con_forcedup) return; // don't draw anything text = key_lines[edit_line]; // add the cursor frame text[key_linepos] = 10+((int)(realtime*con_cursorspeed)&1); // fill out remainder with spaces for (i=key_linepos+1 ; i< con_linewidth ; i++) text[i] = ' '; // prestep if horizontally scrolling if (key_linepos >= con_linewidth) text += 1 + key_linepos - con_linewidth; // draw it y = con_vislines-16; for (i=0 ; i<con_linewidth ; i++) Draw_Character ( (i+1)<<3, y, text[i]); // remove cursor key_lines[edit_line][key_linepos] = 0; } /* ================ Con_DrawNotify Draws the last few lines of output transparently over the game top ================ */ void Con_DrawNotify (void) { int x, v; char *text; int i; float time; extern char chat_buffer[]; v = 0; for (i= con_current-NUM_CON_TIMES+1 ; i<=con_current ; i++) { if (i < 0) continue; time = con_times[i % NUM_CON_TIMES]; if (time == 0) continue; time = realtime - time; if (time > con_notifytime.value) continue; text = con_text + (i % con_totallines)*con_linewidth; clearnotify = 0; scr_copytop = 1; for (x = 0 ; x < con_linewidth ; x++) Draw_Character ( (x+1)<<3, v, text[x]); v += 8; } if (key_dest == key_message) { clearnotify = 0; scr_copytop = 1; x = 0; Draw_String (8, v, "say:"); while(chat_buffer[x]) { Draw_Character ( (x+5)<<3, v, chat_buffer[x]); x++; } Draw_Character ( (x+5)<<3, v, 10+((int)(realtime*con_cursorspeed)&1)); v += 8; } if (v > con_notifylines) con_notifylines = v; } /* ================ Con_DrawConsole Draws the console with the solid background The typing input line at the bottom should only be drawn if typing is allowed ================ */ void Con_DrawConsole (int lines, qboolean drawinput) { int i, x, y; int rows; char *text; int j; if (lines <= 0) return; // draw the background Draw_ConsoleBackground (lines); // draw the text con_vislines = lines; rows = (lines-16)>>3; // rows of text to draw y = lines - 16 - (rows<<3); // may start slightly negative for (i= con_current - rows + 1 ; i<=con_current ; i++, y+=8 ) { j = i - con_backscroll; if (j<0) j = 0; text = con_text + (j % con_totallines)*con_linewidth; for (x=0 ; x<con_linewidth ; x++) Draw_Character ( (x+1)<<3, y, text[x]); } // draw the input prompt, user text, and cursor if desired if (drawinput) Con_DrawInput (); } /* ================== Con_NotifyBox ================== */ void Con_NotifyBox (char *text) { double t1, t2; // during startup for sound / cd warnings Con_Printf("\n\n\35\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\37\n"); Con_Printf (text); Con_Printf ("Press a key.\n"); Con_Printf("\35\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\37\n"); key_count = -2; // wait for a key down and up key_dest = key_console; do { t1 = Sys_FloatTime (); SCR_UpdateScreen (); Sys_SendKeyEvents (); t2 = Sys_FloatTime (); realtime += t2-t1; // make the cursor blink } while (key_count < 0); Con_Printf ("\n"); key_dest = key_game; realtime = 0; // put the cursor back to invisible }