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- /* display.c Larn is copyrighted 1986 by Noah Morgan. */
- #include "header.h"
- #define makecode(_a,_b,_c) (((_a)<<16) + ((_b)<<8) + (_c))
-
- static int minx,maxx,miny,maxy,k,m;
- static char bot1f=0,bot2f=0,bot3f=0;
- char always=0;
- /*
- bottomline()
-
- now for the bottom line of the display
- */
- bottomline()
- { recalc(); bot1f=1; }
- bottomhp()
- { bot2f=1; }
- bottomspell()
- { bot3f=1; }
- bottomdo()
- {
- if (bot1f) { bot3f=bot1f=bot2f=0; bot_linex(); return; }
- if (bot2f) { bot2f=0; bot_hpx(); }
- if (bot3f) { bot3f=0; bot_spellx(); }
- }
-
- static void botsub();
-
- bot_linex()
- {
- register int i;
- if (cbak[SPELLS] <= -50 || (always))
- {
- cursor( 1,18);
- if (c[SPELLMAX]>99) lprintf("Spells:%3d(%3d)",(long)c[SPELLS],(long)c[SPELLMAX]);
- else lprintf("Spells:%3d(%2d) ",(long)c[SPELLS],(long)c[SPELLMAX]);
- lprintf(" AC: %-3d WC: %-3d Level",(long)c[AC],(long)c[WCLASS]);
- if (c[LEVEL]>99) lprintf("%3d",(long)c[LEVEL]);
- else lprintf(" %-2d",(long)c[LEVEL]);
- lprintf(" Exp: %-9d %s\n",(long)c[EXPERIENCE],class[c[LEVEL]-1]);
- lprintf("HP: %3d(%3d) STR=%-2d INT=%-2d ",
- (long)c[HP],(long)c[HPMAX],(long)(c[STRENGTH]+c[STREXTRA]),(long)c[INTELLIGENCE]);
- lprintf("WIS=%-2d CON=%-2d DEX=%-2d CHA=%-2d LV:",
- (long)c[WISDOM],(long)c[CONSTITUTION],(long)c[DEXTERITY],(long)c[CHARISMA]);
-
- if ((level==0) || (wizard)) c[TELEFLAG]=0;
- if (c[TELEFLAG]) lprcat(" ?"); else lprcat(levelname[level]);
- lprintf(" Gold: %-6d",(long)c[GOLD]);
- always=1; botside();
- c[TMP] = c[STRENGTH]+c[STREXTRA];
- for (i=0; i<100; i++) cbak[i]=c[i];
- return;
- }
-
- botsub(makecode(SPELLS,8,18),"%3d");
- if (c[SPELLMAX]>99) botsub(makecode(SPELLMAX,12,18),"%3d)");
- else botsub(makecode(SPELLMAX,12,18),"%2d) ");
- botsub(makecode(HP,5,19),"%3d");
- botsub(makecode(HPMAX,9,19),"%3d");
- botsub(makecode(AC,21,18),"%-3d");
- botsub(makecode(WCLASS,30,18),"%-3d");
- botsub(makecode(EXPERIENCE,49,18),"%-9d");
- if (c[LEVEL] != cbak[LEVEL])
- { cursor(59,18); lprcat(class[c[LEVEL]-1]); }
- if (c[LEVEL]>99) botsub(makecode(LEVEL,40,18),"%3d");
- else botsub(makecode(LEVEL,40,18)," %-2d");
- c[TMP] = c[STRENGTH]+c[STREXTRA]; botsub(makecode(TMP,18,19),"%-2d");
- botsub(makecode(INTELLIGENCE,25,19),"%-2d");
- botsub(makecode(WISDOM,32,19),"%-2d");
- botsub(makecode(CONSTITUTION,39,19),"%-2d");
- botsub(makecode(DEXTERITY,46,19),"%-2d");
- botsub(makecode(CHARISMA,53,19),"%-2d");
- if ((level != cbak[CAVELEVEL]) || (c[TELEFLAG] != cbak[TELEFLAG]))
- {
- if ((level==0) || (wizard)) c[TELEFLAG]=0;
- cbak[TELEFLAG] = c[TELEFLAG];
- cbak[CAVELEVEL] = level; cursor(59,19);
- if (c[TELEFLAG]) lprcat(" ?"); else lprcat(levelname[level]);
- }
- botsub(makecode(GOLD,69,19),"%-6d");
- botside();
- }
-
- /*
- special subroutine to update only the gold number on the bottomlines
- called from ogold()
- */
- bottomgold()
- {
- botsub(makecode(GOLD,69,19),"%-6d");
- /* botsub(GOLD,"%-6d",69,19); */
- }
-
- /*
- special routine to update hp and level fields on bottom lines
- called in monster.c hitplayer() and spattack()
- */
- bot_hpx()
- {
- if (c[EXPERIENCE] != cbak[EXPERIENCE])
- {
- recalc(); bot_linex();
- }
- else botsub(makecode(HP,5,19),"%3d");
- }
-
- /*
- special routine to update number of spells called from regen()
- */
- bot_spellx()
- {
- botsub(makecode(SPELLS,9,18),"%2d");
- }
-
- /*
- common subroutine for a more economical bottomline()
- */
- static struct bot_side_def
- {
- int typ;
- char *string;
- }
- bot_data[] =
- {
- STEALTH,"stealth", UNDEADPRO,"undead pro", SPIRITPRO,"spirit pro",
- CHARMCOUNT,"Charm", TIMESTOP,"Time Stop", HOLDMONST,"Hold Monst",
- GIANTSTR,"Giant Str", FIRERESISTANCE,"Fire Resit", DEXCOUNT,"Dexterity",
- STRCOUNT,"Strength", SCAREMONST,"Scare", HASTESELF,"Haste Self",
- CANCELLATION,"Cancel", INVISIBILITY,"Invisible", ALTPRO,"Protect 3",
- PROTECTIONTIME,"Protect 2", WTW,"Wall-Walk"
- };
-
- botside()
- {
- register int i,idx;
- for (i=0; i<17; i++)
- {
- idx = bot_data[i].typ;
- if ((always) || (c[idx] != cbak[idx]))
- {
- if ((always) || (cbak[idx] == 0))
- { if (c[idx]) { cursor(70,i+1); lprcat(bot_data[i].string); } } else
- if (c[idx]==0) { cursor(70,i+1); lprcat(" "); }
- cbak[idx]=c[idx];
- }
- }
- always=0;
- }
-
- static void
- botsub(idx,str)
- register int idx;
- char *str;
- {
- register int x,y;
- y = idx & 0xff; x = (idx>>8) & 0xff; idx >>= 16;
- if (c[idx] != cbak[idx])
- { cbak[idx]=c[idx]; cursor(x,y); lprintf(str,(long)c[idx]); }
- }
-
- /*
- * subroutine to draw only a section of the screen
- * only the top section of the screen is updated. If entire lines are being
- * drawn, then they will be cleared first.
- */
- int d_xmin=0,d_xmax=MAXX,d_ymin=0,d_ymax=MAXY; /* for limited screen drawing */
- draws(xmin,xmax,ymin,ymax)
- int xmin,xmax,ymin,ymax;
- {
- register int i,idx;
- if (xmin==0 && xmax==MAXX) /* clear section of screen as needed */
- {
- if (ymin==0) cl_up(79,ymax);
- else for (i=ymin; i<ymin; i++) cl_line(1,i+1);
- xmin = -1;
- }
- d_xmin=xmin; d_xmax=xmax; d_ymin=ymin; d_ymax=ymax; /* for limited screen drawing */
- drawscreen();
- if (xmin<=0 && xmax==MAXX) /* draw stuff on right side of screen as needed*/
- {
- for (i=ymin; i<ymax; i++)
- {
- idx = bot_data[i].typ;
- if (c[idx])
- {
- cursor(70,i+1); lprcat(bot_data[i].string);
- }
- cbak[idx]=c[idx];
- }
- }
- }
-
- /*
- drawscreen()
-
- subroutine to redraw the whole screen as the player knows it
- */
- char screen[MAXX][MAXY],d_flag; /* template for the screen */
- drawscreen()
- {
- register int i,j,k;
- int lastx,lasty; /* variables used to optimize the object printing */
- if (d_xmin==0 && d_xmax==MAXX && d_ymin==0 && d_ymax==MAXY)
- {
- d_flag=1; clear(); /* clear the screen */
- }
- else
- {
- d_flag=0; cursor(1,1);
- }
- if (d_xmin<0)
- d_xmin=0; /* d_xmin=-1 means display all without bottomline */
-
- for (i=d_ymin; i<d_ymax; i++)
- for (j=d_xmin; j<d_xmax; j++)
- if (know[j][i]==0) screen[j][i] = ' '; else
- if (k=mitem[j][i]) screen[j][i] = monstnamelist[k]; else
- if ((k=item[j][i])==OWALL) screen[j][i] = '#';
- else screen[j][i] = ' ';
-
- for (i=d_ymin; i<d_ymax; i++)
- {
- j=d_xmin; while ((screen[j][i]==' ') && (j<d_xmax)) j++;
- /* was m=0 */
- if (j >= d_xmax) m=d_xmin; /* don't search backwards if blank line */
- else
- { /* search backwards for end of line */
- m=d_xmax-1; while ((screen[m][i]==' ') && (m>d_xmin)) --m;
- if (j<=m) cursor(j+1,i+1); else continue;
- }
- while (j <= m)
- {
- if (j <= m-3)
- {
- for (k=j; k<=j+3; k++) if (screen[k][i] != ' ') k=1000;
- if (k < 1000)
- { while(screen[j][i]==' ' && j<=m) j++; cursor(j+1,i+1); }
- }
- lprc(screen[j++][i]);
- }
- }
- setbold(); /* print out only bold objects now */
-
- for (lastx=lasty=127, i=d_ymin; i<d_ymax; i++)
- for (j=d_xmin; j<d_xmax; j++)
- {
- if (k=item[j][i])
- if (k != OWALL)
- if ((know[j][i]) && (mitem[j][i]==0))
- if (objnamelist[k]!=' ')
- {
- if (lasty!=i+1 || lastx!=j)
- cursor(lastx=j+1,lasty=i+1); else lastx++;
- lprc(objnamelist[k]);
- }
- }
-
- resetbold(); if (d_flag) { always=1; botside(); always=1; bot_linex(); }
- oldx=99;
- d_xmin = 0 , d_xmax = MAXX , d_ymin = 0 , d_ymax = MAXY; /* for limited screen drawing */
- }
-
- /*
- showcell(x,y)
-
- subroutine to display a cell location on the screen
- */
- showcell(x,y)
- int x,y;
- {
- register int i,j,k,m;
- if (c[BLINDCOUNT]) return; /* see nothing if blind */
- if (c[AWARENESS]) { minx = x-3; maxx = x+3; miny = y-3; maxy = y+3; }
- else { minx = x-1; maxx = x+1; miny = y-1; maxy = y+1; }
-
- if (minx < 0) minx=0; if (maxx > MAXX-1) maxx = MAXX-1;
- if (miny < 0) miny=0; if (maxy > MAXY-1) maxy = MAXY-1;
-
- for (j=miny; j<=maxy; j++)
- for (m=minx; m<=maxx; m++)
- if (know[m][j]==0)
- {
- cursor(m+1,j+1);
- x=maxx; while (know[x][j]) --x;
- for (i=m; i<=x; i++)
- {
- if ((k=mitem[i][j]) != 0) lprc(monstnamelist[k]);
- else switch(k=item[i][j])
- {
- case OWALL: case 0: case OIVTELETRAP: case OTRAPARROWIV:
- case OIVDARTRAP: case OIVTRAPDOOR:
- lprc(objnamelist[k]); break;
-
- default: setbold(); lprc(objnamelist[k]); resetbold();
- };
- know[i][j]=1;
- }
- m = maxx;
- }
- }
-
- /*
- this routine shows only the spot that is given it. the spaces around
- these coordinated are not shown
- used in godirect() in monster.c for missile weapons display
- */
- show1cell(x,y)
- int x,y;
- {
- if (c[BLINDCOUNT]) return; /* see nothing if blind */
- cursor(x+1,y+1);
- if ((k=mitem[x][y]) != 0) lprc(monstnamelist[k]);
- else switch(k=item[x][y])
- {
- case OWALL: case 0: case OIVTELETRAP: case OTRAPARROWIV:
- case OIVDARTRAP: case OIVTRAPDOOR:
- lprc(objnamelist[k]); break;
-
- default: setbold(); lprc(objnamelist[k]); resetbold();
- };
- know[x][y]|=1; /* we end up knowing about it */
- }
-
- /*
- showplayer()
-
- subroutine to show where the player is on the screen
- cursor values start from 1 up
- */
- showplayer()
- {
- cursor(playerx+1,playery+1);
- oldx=playerx; oldy=playery;
- }
-
- /*
- moveplayer(dir)
-
- subroutine to move the player from one room to another
- returns 0 if can't move in that direction or hit a monster or on an object
- else returns 1
- nomove is set to 1 to stop the next move (inadvertent monsters hitting
- players when walking into walls) if player walks off screen or into wall
- */
- short diroffx[] = { 0, 0, 1, 0, -1, 1, -1, 1, -1 };
- short diroffy[] = { 0, 1, 0, -1, 0, -1, -1, 1, 1 };
- moveplayer(dir)
- int dir; /* from = present room # direction = [1-north]
- [2-east] [3-south] [4-west] [5-northeast]
- [6-northwest] [7-southeast] [8-southwest]
- if direction=0, don't move--just show where he is */
- {
- register int k,m,i,j;
- if (c[CONFUSE]) if (c[LEVEL]<rnd(30)) dir=rund(9); /*if confused any dir*/
- k = playerx + diroffx[dir]; m = playery + diroffy[dir];
- if (k<0 || k>=MAXX || m<0 || m>=MAXY) { nomove=1; return(yrepcount = 0); }
- i = item[k][m]; j = mitem[k][m];
- if (i==OWALL && c[WTW]==0) { nomove=1; return(yrepcount = 0); } /* hit a wall */
- if (k==33 && m==MAXY-1 && level==1)
- {
- newcavelevel(0); for (k=0; k<MAXX; k++) for (m=0; m<MAXY; m++)
- if (item[k][m]==OENTRANCE)
- { playerx=k; playery=m; positionplayer(); drawscreen(); return(0); }
- }
- if (j>0) { hitmonster(k,m); return(yrepcount = 0); } /* hit a monster*/
- lastpx = playerx; lastpy = playery;
- playerx = k; playery = m;
- if (i && i!=OTRAPARROWIV && i!=OIVTELETRAP && i!=OIVDARTRAP && i!=OIVTRAPDOOR) return(yrepcount = 0); else return(1);
- }
-
- /*
- * function to show what magic items have been discovered thus far
- * enter with -1 for just spells, anything else will give scrolls & potions
- */
- static int lincount,count;
- seemagic(arg)
- int arg;
- {
- register int i,number;
- count = lincount = 0; nosignal=1;
-
- if (arg== -1) /* if display spells while casting one */
- {
- for (number=i=0; i<SPNUM; i++) if (spelknow[i]) number++;
- number = (number+2)/3 + 4; /* # lines needed to display */
- cl_up(79,number); cursor(1,1);
- }
- else
- {
- resetscroll(); clear();
- }
-
- lprcat("The magic spells you have discovered thus far:\n\n");
- for (i=0; i<SPNUM; i++)
- if (spelknow[i])
- { lprintf("%s %-20s ",spelcode[i],spelname[i]); seepage(); }
-
- if (arg== -1)
- {
- seepage(); more(); nosignal=0;
- draws(0,MAXX,0,number); return;
- }
-
- lincount += 3; if (count!=0) { count=2; seepage(); }
-
- lprcat("\nThe magic scrolls you have found to date are:\n\n");
- count=0;
- for (i=0; i<MAXSCROLL; i++)
- if (scrollname[i][0])
- if (scrollname[i][1]!=' ')
- { lprintf("%-26s",&scrollname[i][1]); seepage(); }
-
- lincount += 3; if (count!=0) { count=2; seepage(); }
-
- lprcat("\nThe magic potions you have found to date are:\n\n");
- count=0;
- for (i=0; i<MAXPOTION; i++)
- if (potionname[i][0])
- if (potionname[i][1]!=' ')
- { lprintf("%-26s",&potionname[i][1]); seepage(); }
-
- if (lincount!=0) more(); nosignal=0; setscroll(); drawscreen();
- }
-
- /*
- * subroutine to paginate the seemagic function
- */
- seepage()
- {
- if (++count==3)
- {
- lincount++; count=0; lprc('\n');
- if (lincount>17) { lincount=0; more(); clear(); }
- }
- }
-