ref: 0804001177b1f91b9ba126efa8369bc26a38c57a
dir: /console.c/
#include <u.h> #include <libc.h> #include <stdio.h> #include "dat.h" #include "quakedef.h" #include "fns.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); 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; IN_Grabm(1); }else M_Menu_Main_f(); }else{ key_dest = key_console; IN_Grabm(0); } SCR_EndLoadingPlaque(); memset(con_times, 0, sizeof con_times); } void Con_Clear_f(void) { if(con_text) 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; 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; memcpy(tbuf, con_text, CON_TEXTSIZE); 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"); 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++; memset(&con_text[(con_current%con_totallines)*con_linewidth], ' ', con_linewidth); } /* 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. */ static 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 localsfx ("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; } } } /* all this because of the color printing hack */ static void print1(char *s, int n) { char buf[4096], *p, *d; p = s; d = buf; while(*p) *d++ = *p++ & 0x7f; write(1, buf, n); } /* Handles cursor positioning, line wrapping, etc */ void Con_Printf(char *fmt, ...) { int n; va_list arg; char msg[4096]; static qboolean inupdate; /* FIXME: Con_Print() above uses 1<<7 bit for color printing select * letters, notably in mods. this does not amuse print(2) (dofmt()?). */ va_start(arg, fmt); n = vsnprintf(msg, sizeof msg, fmt, arg); va_end(arg); print1(msg, n); 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_Printf() */ if(!inupdate){ inupdate = true; SCR_UpdateScreen(); inupdate = false; } } } /* ============================================================================== 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 (); }