| 1 | /* display.c Larn is copyrighted 1986 by Noah Morgan. */ |
| 2 | /* $FreeBSD: src/games/larn/display.c,v 1.4 1999/11/16 02:57:21 billf Exp $ */ |
| 3 | /* $DragonFly: src/games/larn/display.c,v 1.2 2003/06/17 04:25:24 dillon Exp $ */ |
| 4 | #include "header.h" |
| 5 | #define makecode(_a,_b,_c) (((_a)<<16) + ((_b)<<8) + (_c)) |
| 6 | |
| 7 | static int minx,maxx,miny,maxy,k,m; |
| 8 | static char bot1f=0,bot2f=0,bot3f=0; |
| 9 | char always=0; |
| 10 | /* |
| 11 | bottomline() |
| 12 | |
| 13 | now for the bottom line of the display |
| 14 | */ |
| 15 | bottomline() |
| 16 | { recalc(); bot1f=1; } |
| 17 | bottomhp() |
| 18 | { bot2f=1; } |
| 19 | bottomspell() |
| 20 | { bot3f=1; } |
| 21 | bottomdo() |
| 22 | { |
| 23 | if (bot1f) { bot3f=bot1f=bot2f=0; bot_linex(); return; } |
| 24 | if (bot2f) { bot2f=0; bot_hpx(); } |
| 25 | if (bot3f) { bot3f=0; bot_spellx(); } |
| 26 | } |
| 27 | |
| 28 | static void botsub(); |
| 29 | |
| 30 | bot_linex() |
| 31 | { |
| 32 | int i; |
| 33 | if (cbak[SPELLS] <= -50 || (always)) |
| 34 | { |
| 35 | cursor( 1,18); |
| 36 | if (c[SPELLMAX]>99) lprintf("Spells:%3d(%3d)",(long)c[SPELLS],(long)c[SPELLMAX]); |
| 37 | else lprintf("Spells:%3d(%2d) ",(long)c[SPELLS],(long)c[SPELLMAX]); |
| 38 | lprintf(" AC: %-3d WC: %-3d Level",(long)c[AC],(long)c[WCLASS]); |
| 39 | if (c[LEVEL]>99) lprintf("%3d",(long)c[LEVEL]); |
| 40 | else lprintf(" %-2d",(long)c[LEVEL]); |
| 41 | lprintf(" Exp: %-9d %s\n",(long)c[EXPERIENCE],class[c[LEVEL]-1]); |
| 42 | lprintf("HP: %3d(%3d) STR=%-2d INT=%-2d ", |
| 43 | (long)c[HP],(long)c[HPMAX],(long)(c[STRENGTH]+c[STREXTRA]),(long)c[INTELLIGENCE]); |
| 44 | lprintf("WIS=%-2d CON=%-2d DEX=%-2d CHA=%-2d LV:", |
| 45 | (long)c[WISDOM],(long)c[CONSTITUTION],(long)c[DEXTERITY],(long)c[CHARISMA]); |
| 46 | |
| 47 | if ((level==0) || (wizard)) c[TELEFLAG]=0; |
| 48 | if (c[TELEFLAG]) lprcat(" ?"); else lprcat(levelname[level]); |
| 49 | lprintf(" Gold: %-6d",(long)c[GOLD]); |
| 50 | always=1; botside(); |
| 51 | c[TMP] = c[STRENGTH]+c[STREXTRA]; |
| 52 | for (i=0; i<100; i++) cbak[i]=c[i]; |
| 53 | return; |
| 54 | } |
| 55 | |
| 56 | botsub(makecode(SPELLS,8,18),"%3d"); |
| 57 | if (c[SPELLMAX]>99) botsub(makecode(SPELLMAX,12,18),"%3d)"); |
| 58 | else botsub(makecode(SPELLMAX,12,18),"%2d) "); |
| 59 | botsub(makecode(HP,5,19),"%3d"); |
| 60 | botsub(makecode(HPMAX,9,19),"%3d"); |
| 61 | botsub(makecode(AC,21,18),"%-3d"); |
| 62 | botsub(makecode(WCLASS,30,18),"%-3d"); |
| 63 | botsub(makecode(EXPERIENCE,49,18),"%-9d"); |
| 64 | if (c[LEVEL] != cbak[LEVEL]) |
| 65 | { cursor(59,18); lprcat(class[c[LEVEL]-1]); } |
| 66 | if (c[LEVEL]>99) botsub(makecode(LEVEL,40,18),"%3d"); |
| 67 | else botsub(makecode(LEVEL,40,18)," %-2d"); |
| 68 | c[TMP] = c[STRENGTH]+c[STREXTRA]; botsub(makecode(TMP,18,19),"%-2d"); |
| 69 | botsub(makecode(INTELLIGENCE,25,19),"%-2d"); |
| 70 | botsub(makecode(WISDOM,32,19),"%-2d"); |
| 71 | botsub(makecode(CONSTITUTION,39,19),"%-2d"); |
| 72 | botsub(makecode(DEXTERITY,46,19),"%-2d"); |
| 73 | botsub(makecode(CHARISMA,53,19),"%-2d"); |
| 74 | if ((level != cbak[CAVELEVEL]) || (c[TELEFLAG] != cbak[TELEFLAG])) |
| 75 | { |
| 76 | if ((level==0) || (wizard)) c[TELEFLAG]=0; |
| 77 | cbak[TELEFLAG] = c[TELEFLAG]; |
| 78 | cbak[CAVELEVEL] = level; cursor(59,19); |
| 79 | if (c[TELEFLAG]) lprcat(" ?"); else lprcat(levelname[level]); |
| 80 | } |
| 81 | botsub(makecode(GOLD,69,19),"%-6d"); |
| 82 | botside(); |
| 83 | } |
| 84 | |
| 85 | /* |
| 86 | special subroutine to update only the gold number on the bottomlines |
| 87 | called from ogold() |
| 88 | */ |
| 89 | bottomgold() |
| 90 | { |
| 91 | botsub(makecode(GOLD,69,19),"%-6d"); |
| 92 | /* botsub(GOLD,"%-6d",69,19); */ |
| 93 | } |
| 94 | |
| 95 | /* |
| 96 | special routine to update hp and level fields on bottom lines |
| 97 | called in monster.c hitplayer() and spattack() |
| 98 | */ |
| 99 | bot_hpx() |
| 100 | { |
| 101 | if (c[EXPERIENCE] != cbak[EXPERIENCE]) |
| 102 | { |
| 103 | recalc(); bot_linex(); |
| 104 | } |
| 105 | else botsub(makecode(HP,5,19),"%3d"); |
| 106 | } |
| 107 | |
| 108 | /* |
| 109 | special routine to update number of spells called from regen() |
| 110 | */ |
| 111 | bot_spellx() |
| 112 | { |
| 113 | botsub(makecode(SPELLS,9,18),"%2d"); |
| 114 | } |
| 115 | |
| 116 | /* |
| 117 | common subroutine for a more economical bottomline() |
| 118 | */ |
| 119 | static struct bot_side_def |
| 120 | { |
| 121 | int typ; |
| 122 | char *string; |
| 123 | } |
| 124 | bot_data[] = |
| 125 | { |
| 126 | STEALTH,"stealth", UNDEADPRO,"undead pro", SPIRITPRO,"spirit pro", |
| 127 | CHARMCOUNT,"Charm", TIMESTOP,"Time Stop", HOLDMONST,"Hold Monst", |
| 128 | GIANTSTR,"Giant Str", FIRERESISTANCE,"Fire Resit", DEXCOUNT,"Dexterity", |
| 129 | STRCOUNT,"Strength", SCAREMONST,"Scare", HASTESELF,"Haste Self", |
| 130 | CANCELLATION,"Cancel", INVISIBILITY,"Invisible", ALTPRO,"Protect 3", |
| 131 | PROTECTIONTIME,"Protect 2", WTW,"Wall-Walk" |
| 132 | }; |
| 133 | |
| 134 | botside() |
| 135 | { |
| 136 | int i,idx; |
| 137 | for (i=0; i<17; i++) |
| 138 | { |
| 139 | idx = bot_data[i].typ; |
| 140 | if ((always) || (c[idx] != cbak[idx])) |
| 141 | { |
| 142 | if ((always) || (cbak[idx] == 0)) |
| 143 | { if (c[idx]) { cursor(70,i+1); lprcat(bot_data[i].string); } } else |
| 144 | if (c[idx]==0) { cursor(70,i+1); lprcat(" "); } |
| 145 | cbak[idx]=c[idx]; |
| 146 | } |
| 147 | } |
| 148 | always=0; |
| 149 | } |
| 150 | |
| 151 | static void |
| 152 | botsub(idx,str) |
| 153 | int idx; |
| 154 | char *str; |
| 155 | { |
| 156 | int x,y; |
| 157 | y = idx & 0xff; x = (idx>>8) & 0xff; idx >>= 16; |
| 158 | if (c[idx] != cbak[idx]) |
| 159 | { cbak[idx]=c[idx]; cursor(x,y); lprintf(str,(long)c[idx]); } |
| 160 | } |
| 161 | |
| 162 | /* |
| 163 | * subroutine to draw only a section of the screen |
| 164 | * only the top section of the screen is updated. If entire lines are being |
| 165 | * drawn, then they will be cleared first. |
| 166 | */ |
| 167 | int d_xmin=0,d_xmax=MAXX,d_ymin=0,d_ymax=MAXY; /* for limited screen drawing */ |
| 168 | draws(xmin,xmax,ymin,ymax) |
| 169 | int xmin,xmax,ymin,ymax; |
| 170 | { |
| 171 | int i,idx; |
| 172 | if (xmin==0 && xmax==MAXX) /* clear section of screen as needed */ |
| 173 | { |
| 174 | if (ymin==0) cl_up(79,ymax); |
| 175 | else for (i=ymin; i<ymin; i++) cl_line(1,i+1); |
| 176 | xmin = -1; |
| 177 | } |
| 178 | d_xmin=xmin; d_xmax=xmax; d_ymin=ymin; d_ymax=ymax; /* for limited screen drawing */ |
| 179 | drawscreen(); |
| 180 | if (xmin<=0 && xmax==MAXX) /* draw stuff on right side of screen as needed*/ |
| 181 | { |
| 182 | for (i=ymin; i<ymax; i++) |
| 183 | { |
| 184 | idx = bot_data[i].typ; |
| 185 | if (c[idx]) |
| 186 | { |
| 187 | cursor(70,i+1); lprcat(bot_data[i].string); |
| 188 | } |
| 189 | cbak[idx]=c[idx]; |
| 190 | } |
| 191 | } |
| 192 | } |
| 193 | |
| 194 | /* |
| 195 | drawscreen() |
| 196 | |
| 197 | subroutine to redraw the whole screen as the player knows it |
| 198 | */ |
| 199 | char screen[MAXX][MAXY],d_flag; /* template for the screen */ |
| 200 | drawscreen() |
| 201 | { |
| 202 | int i,j,k; |
| 203 | int lastx,lasty; /* variables used to optimize the object printing */ |
| 204 | if (d_xmin==0 && d_xmax==MAXX && d_ymin==0 && d_ymax==MAXY) |
| 205 | { |
| 206 | d_flag=1; clear(); /* clear the screen */ |
| 207 | } |
| 208 | else |
| 209 | { |
| 210 | d_flag=0; cursor(1,1); |
| 211 | } |
| 212 | if (d_xmin<0) |
| 213 | d_xmin=0; /* d_xmin=-1 means display all without bottomline */ |
| 214 | |
| 215 | for (i=d_ymin; i<d_ymax; i++) |
| 216 | for (j=d_xmin; j<d_xmax; j++) |
| 217 | if (know[j][i]==0) screen[j][i] = ' '; else |
| 218 | if (k=mitem[j][i]) screen[j][i] = monstnamelist[k]; else |
| 219 | if ((k=item[j][i])==OWALL) screen[j][i] = '#'; |
| 220 | else screen[j][i] = ' '; |
| 221 | |
| 222 | for (i=d_ymin; i<d_ymax; i++) |
| 223 | { |
| 224 | j=d_xmin; while ((screen[j][i]==' ') && (j<d_xmax)) j++; |
| 225 | /* was m=0 */ |
| 226 | if (j >= d_xmax) m=d_xmin; /* don't search backwards if blank line */ |
| 227 | else |
| 228 | { /* search backwards for end of line */ |
| 229 | m=d_xmax-1; while ((screen[m][i]==' ') && (m>d_xmin)) --m; |
| 230 | if (j<=m) cursor(j+1,i+1); else continue; |
| 231 | } |
| 232 | while (j <= m) |
| 233 | { |
| 234 | if (j <= m-3) |
| 235 | { |
| 236 | for (k=j; k<=j+3; k++) if (screen[k][i] != ' ') k=1000; |
| 237 | if (k < 1000) |
| 238 | { while(screen[j][i]==' ' && j<=m) j++; cursor(j+1,i+1); } |
| 239 | } |
| 240 | lprc(screen[j++][i]); |
| 241 | } |
| 242 | } |
| 243 | setbold(); /* print out only bold objects now */ |
| 244 | |
| 245 | for (lastx=lasty=127, i=d_ymin; i<d_ymax; i++) |
| 246 | for (j=d_xmin; j<d_xmax; j++) |
| 247 | { |
| 248 | if (k=item[j][i]) |
| 249 | if (k != OWALL) |
| 250 | if ((know[j][i]) && (mitem[j][i]==0)) |
| 251 | if (objnamelist[k]!=' ') |
| 252 | { |
| 253 | if (lasty!=i+1 || lastx!=j) |
| 254 | cursor(lastx=j+1,lasty=i+1); else lastx++; |
| 255 | lprc(objnamelist[k]); |
| 256 | } |
| 257 | } |
| 258 | |
| 259 | resetbold(); if (d_flag) { always=1; botside(); always=1; bot_linex(); } |
| 260 | oldx=99; |
| 261 | d_xmin = 0 , d_xmax = MAXX , d_ymin = 0 , d_ymax = MAXY; /* for limited screen drawing */ |
| 262 | } |
| 263 | \f |
| 264 | /* |
| 265 | showcell(x,y) |
| 266 | |
| 267 | subroutine to display a cell location on the screen |
| 268 | */ |
| 269 | showcell(x,y) |
| 270 | int x,y; |
| 271 | { |
| 272 | int i,j,k,m; |
| 273 | if (c[BLINDCOUNT]) return; /* see nothing if blind */ |
| 274 | if (c[AWARENESS]) { minx = x-3; maxx = x+3; miny = y-3; maxy = y+3; } |
| 275 | else { minx = x-1; maxx = x+1; miny = y-1; maxy = y+1; } |
| 276 | |
| 277 | if (minx < 0) minx=0; if (maxx > MAXX-1) maxx = MAXX-1; |
| 278 | if (miny < 0) miny=0; if (maxy > MAXY-1) maxy = MAXY-1; |
| 279 | |
| 280 | for (j=miny; j<=maxy; j++) |
| 281 | for (m=minx; m<=maxx; m++) |
| 282 | if (know[m][j]==0) |
| 283 | { |
| 284 | cursor(m+1,j+1); |
| 285 | x=maxx; while (know[x][j]) --x; |
| 286 | for (i=m; i<=x; i++) |
| 287 | { |
| 288 | if ((k=mitem[i][j]) != 0) lprc(monstnamelist[k]); |
| 289 | else switch(k=item[i][j]) |
| 290 | { |
| 291 | case OWALL: case 0: case OIVTELETRAP: case OTRAPARROWIV: |
| 292 | case OIVDARTRAP: case OIVTRAPDOOR: |
| 293 | lprc(objnamelist[k]); break; |
| 294 | |
| 295 | default: setbold(); lprc(objnamelist[k]); resetbold(); |
| 296 | }; |
| 297 | know[i][j]=1; |
| 298 | } |
| 299 | m = maxx; |
| 300 | } |
| 301 | } |
| 302 | |
| 303 | /* |
| 304 | this routine shows only the spot that is given it. the spaces around |
| 305 | these coordinated are not shown |
| 306 | used in godirect() in monster.c for missile weapons display |
| 307 | */ |
| 308 | show1cell(x,y) |
| 309 | int x,y; |
| 310 | { |
| 311 | if (c[BLINDCOUNT]) return; /* see nothing if blind */ |
| 312 | cursor(x+1,y+1); |
| 313 | if ((k=mitem[x][y]) != 0) lprc(monstnamelist[k]); |
| 314 | else switch(k=item[x][y]) |
| 315 | { |
| 316 | case OWALL: case 0: case OIVTELETRAP: case OTRAPARROWIV: |
| 317 | case OIVDARTRAP: case OIVTRAPDOOR: |
| 318 | lprc(objnamelist[k]); break; |
| 319 | |
| 320 | default: setbold(); lprc(objnamelist[k]); resetbold(); |
| 321 | }; |
| 322 | know[x][y]|=1; /* we end up knowing about it */ |
| 323 | } |
| 324 | |
| 325 | /* |
| 326 | showplayer() |
| 327 | |
| 328 | subroutine to show where the player is on the screen |
| 329 | cursor values start from 1 up |
| 330 | */ |
| 331 | showplayer() |
| 332 | { |
| 333 | cursor(playerx+1,playery+1); |
| 334 | oldx=playerx; oldy=playery; |
| 335 | } |
| 336 | |
| 337 | /* |
| 338 | moveplayer(dir) |
| 339 | |
| 340 | subroutine to move the player from one room to another |
| 341 | returns 0 if can't move in that direction or hit a monster or on an object |
| 342 | else returns 1 |
| 343 | nomove is set to 1 to stop the next move (inadvertent monsters hitting |
| 344 | players when walking into walls) if player walks off screen or into wall |
| 345 | */ |
| 346 | short diroffx[] = { 0, 0, 1, 0, -1, 1, -1, 1, -1 }; |
| 347 | short diroffy[] = { 0, 1, 0, -1, 0, -1, -1, 1, 1 }; |
| 348 | moveplayer(dir) |
| 349 | int dir; /* from = present room # direction = [1-north] |
| 350 | [2-east] [3-south] [4-west] [5-northeast] |
| 351 | [6-northwest] [7-southeast] [8-southwest] |
| 352 | if direction=0, don't move--just show where he is */ |
| 353 | { |
| 354 | int k,m,i,j; |
| 355 | if (c[CONFUSE]) if (c[LEVEL]<rnd(30)) dir=rund(9); /*if confused any dir*/ |
| 356 | k = playerx + diroffx[dir]; m = playery + diroffy[dir]; |
| 357 | if (k<0 || k>=MAXX || m<0 || m>=MAXY) { nomove=1; return(yrepcount = 0); } |
| 358 | i = item[k][m]; j = mitem[k][m]; |
| 359 | if (i==OWALL && c[WTW]==0) { nomove=1; return(yrepcount = 0); } /* hit a wall */ |
| 360 | if (k==33 && m==MAXY-1 && level==1) |
| 361 | { |
| 362 | newcavelevel(0); for (k=0; k<MAXX; k++) for (m=0; m<MAXY; m++) |
| 363 | if (item[k][m]==OENTRANCE) |
| 364 | { playerx=k; playery=m; positionplayer(); drawscreen(); return(0); } |
| 365 | } |
| 366 | if (j>0) { hitmonster(k,m); return(yrepcount = 0); } /* hit a monster*/ |
| 367 | lastpx = playerx; lastpy = playery; |
| 368 | playerx = k; playery = m; |
| 369 | if (i && i!=OTRAPARROWIV && i!=OIVTELETRAP && i!=OIVDARTRAP && i!=OIVTRAPDOOR) return(yrepcount = 0); else return(1); |
| 370 | } |
| 371 | \f |
| 372 | /* |
| 373 | * function to show what magic items have been discovered thus far |
| 374 | * enter with -1 for just spells, anything else will give scrolls & potions |
| 375 | */ |
| 376 | static int lincount,count; |
| 377 | seemagic(arg) |
| 378 | int arg; |
| 379 | { |
| 380 | int i,number; |
| 381 | count = lincount = 0; nosignal=1; |
| 382 | |
| 383 | if (arg== -1) /* if display spells while casting one */ |
| 384 | { |
| 385 | for (number=i=0; i<SPNUM; i++) if (spelknow[i]) number++; |
| 386 | number = (number+2)/3 + 4; /* # lines needed to display */ |
| 387 | cl_up(79,number); cursor(1,1); |
| 388 | } |
| 389 | else |
| 390 | { |
| 391 | resetscroll(); clear(); |
| 392 | } |
| 393 | |
| 394 | lprcat("The magic spells you have discovered thus far:\n\n"); |
| 395 | for (i=0; i<SPNUM; i++) |
| 396 | if (spelknow[i]) |
| 397 | { lprintf("%s %-20s ",spelcode[i],spelname[i]); seepage(); } |
| 398 | |
| 399 | if (arg== -1) |
| 400 | { |
| 401 | seepage(); more(); nosignal=0; |
| 402 | draws(0,MAXX,0,number); return; |
| 403 | } |
| 404 | |
| 405 | lincount += 3; if (count!=0) { count=2; seepage(); } |
| 406 | |
| 407 | lprcat("\nThe magic scrolls you have found to date are:\n\n"); |
| 408 | count=0; |
| 409 | for (i=0; i<MAXSCROLL; i++) |
| 410 | if (scrollname[i][0]) |
| 411 | if (scrollname[i][1]!=' ') |
| 412 | { lprintf("%-26s",&scrollname[i][1]); seepage(); } |
| 413 | |
| 414 | lincount += 3; if (count!=0) { count=2; seepage(); } |
| 415 | |
| 416 | lprcat("\nThe magic potions you have found to date are:\n\n"); |
| 417 | count=0; |
| 418 | for (i=0; i<MAXPOTION; i++) |
| 419 | if (potionname[i][0]) |
| 420 | if (potionname[i][1]!=' ') |
| 421 | { lprintf("%-26s",&potionname[i][1]); seepage(); } |
| 422 | |
| 423 | if (lincount!=0) more(); nosignal=0; setscroll(); drawscreen(); |
| 424 | } |
| 425 | |
| 426 | /* |
| 427 | * subroutine to paginate the seemagic function |
| 428 | */ |
| 429 | seepage() |
| 430 | { |
| 431 | if (++count==3) |
| 432 | { |
| 433 | lincount++; count=0; lprc('\n'); |
| 434 | if (lincount>17) { lincount=0; more(); clear(); } |
| 435 | } |
| 436 | } |