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scr.c
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/* omega (c) 1987,1988,1989 by Laurence Raphael Brothers */
/* scr.c */
/* functions that use curses routines directly */
/* plus a few file i/o stuff */
/* also some in file.c */
#ifdef MSDOS_SUPPORTED_ANTIQUE
# include "curses.h"
#else
# ifdef AMIGA
# include <curses210.h>
# elif defined(USE_OPCURSES)
# include "../opcurses/curses.h"
# else
# include <curses.h>
# endif
# include <sys/types.h>
#endif
#if defined(MSDOS_SUPPORTED_ANTIQUE) || defined(AMIGA)
# define CHARATTR(c) ((c) >> 8)
#else
# define CHARATTR(c) ((c) & ~0xff)
#endif
#include "glob.h"
#include <ctype.h>
#include <unistd.h>
#ifdef EXCESSIVE_REDRAW
#undef wclear
#define wclear werase
#endif
#ifdef NEW_BANK
WINDOW *Bankw;
#endif
/* note these variables are not exported to other files */
WINDOW *Levelw,*Dataw,*Flagw,*Timew,*Menuw,*Locw,*Morew,*Phasew;
WINDOW *Comwin,*Msg1w,*Msg2w,*Msg3w,*Msgw;
WINDOW *Cinema;
/* WDT: interactions and special effects which currently
* go into the message window should instead go here. This
* should simplify history-keeping, since we only need to
* record actual messages, not special effects. */
WINDOW *Showline[MAXITEMS];
#define SL3_LEN 160
char screenLine3[SL3_LEN];
/* static function prototypes */
static long input_number (WINDOW * w);
/* function definitions */
void phaseprint(void)
{
wclear(Phasew);
wprintw(Phasew,"Moon's Phase:\n");
switch(Phase/2) {
case 0: wprintw(Phasew,"NEW"); break;
case 1: case 11: wprintw(Phasew,"CRESCENT"); break;
case 2: case 10: wprintw(Phasew,"1/4"); break;
case 3: case 9: wprintw(Phasew,"HALF"); break;
case 4: case 8: wprintw(Phasew,"3/4"); break;
case 5: case 7: wprintw(Phasew,"GIBBOUS"); break;
case 6: wprintw(Phasew,"FULL"); break;
}
wrefresh(Phasew);
}
static void show_screen_level (int top, int left, int bottom, int right)
{
int j;
int last_attr = 0;
for (j = top; j < bottom; ++j)
{
int i;
wmove(Levelw, screenmody(j), 0);
for (i = left; i < right; ++i)
{
int c;
if (loc_statusp(i, j, SEEN))
c = getspot(i, j, FALSE);
else
c = SPACE;
if (optionp(SHOW_COLOUR) && CHARATTR(c) != last_attr)
{
last_attr = CHARATTR(c);
wattrset(Levelw, last_attr);
}
waddch(Levelw, c & 0xff);
}
}
}
static void show_screen_country (int top, int left, int bottom, int right)
{
int j;
int last_attr = 0;
for (j = top; j < bottom; ++j)
{
int i;
wmove(Levelw, screenmody(j), 0);
for (i = left; i < right; ++i)
{
int c;
if (c_statusp(i, j, SEEN))
c = Country[i][j].current_terrain_type;
else
c = SPACE;
if (optionp(SHOW_COLOUR) && CHARATTR(c) != last_attr)
{
last_attr = CHARATTR(c);
wattrset(Levelw, last_attr);
}
waddch(Levelw, c & 0xff);
}
}
}
void show_screen(void)
{
int top;
int left;
int right;
int bottom;
wclear(Levelw);
if (ScreenOffset < 0) ScreenOffset = 0;
if (ScreenXOffset < 0) ScreenXOffset = 0;
top = ScreenOffset;
left = ScreenXOffset;
right = ScreenXOffset + ScreenWidth;
bottom = ScreenOffset + ScreenLength;
if (Current_Environment != E_COUNTRYSIDE)
{
if (right > Level->level_width) right = Level->level_width;
if (bottom > Level->level_length) bottom = Level->level_length;
}
else
{
if (right > COUNTRY_WIDTH) right = COUNTRY_WIDTH;
if (bottom > COUNTRY_LENGTH) bottom = COUNTRY_LENGTH;
}
if (Current_Environment != E_COUNTRYSIDE)
{
show_screen_level(top, left, bottom, right);
}
else
{
show_screen_country(top, left, bottom, right);
#if 0
for (j=top;j<bottom;j++)
{
for (i=left;i<right;i++)
{
wmove(Levelw,screenmody(j),screenmodx(i));
c = ((c_statusp(i,j,SEEN)) ? Country[i][j].current_terrain_type:SPACE);
if (optionp(SHOW_COLOUR) && CHARATTR(c) != last_attr)
{
last_attr = CHARATTR(c);
wattrset(Levelw,last_attr);
}
waddch(Levelw,c&0xff);
}
wrefresh(Levelw);
}
#endif
}
}
char mgetc(void)
{
return(wgetch(Msgw));
}
/* case insensitive mgetc -- sends uppercase to lowercase */
int mcigetc(void)
{
int c;
#ifdef MSDOS_SUPPORTED_ANTIQUE
#ifndef DJGPP
keypad(Msgw,TRUE);
#endif
#endif
c = wgetch(Msgw);
if ((c>=(int)'A') && (c<=(int)'Z'))
return(c+(int)('a'-'A'));
else return(c);
}
char menugetc(void)
{
return(wgetch(Menuw));
}
char lgetc(void)
{
return(wgetch(Levelw));
}
int ynq(void)
{
int p='*'; /* the user's choice; start with something impossible
* to prevent a loop. */
while ((p != 'n') && (p != 'y') && (p != 'q') && (p != ESCAPE) &&
(p != EOF) && (p != ' '))
p = wgetch(Msgw);
switch (p) {
case 'y': wprintw(Msgw,"yes. "); break;
case 'n': wprintw(Msgw,"no. "); break;
case ESCAPE: p = 'q'; /* fall through to 'q' */
case ' ': p = 'q'; /* fall through to 'q' */
case 'q': wprintw(Msgw,"quit. "); break;
default: assert( p == EOF );
}
wrefresh(Msgw);
return(p);
}
int ynq1(void)
{
int p='*'; /* the user's choice; start with something impossible
* to prevent a loop. */
while ((p != 'n') && (p != 'y') && (p != 'q') && (p != ESCAPE) &&
(p != ' ') && (p != EOF))
p = wgetch(Msg1w);
switch (p) {
case 'y': wprintw(Msg1w,"yes. "); break;
case 'n': wprintw(Msg1w,"no. "); break;
case ESCAPE: p = 'q'; /* fall through to 'q' */
case ' ': p = 'q'; /* fall through to 'q' */
case 'q': wprintw(Msg1w,"quit. "); break;
default: assert( p == EOF );
}
wrefresh(Msg1w);
return(p);
}
int ynq2(void)
{
int p='*'; /* the user's choice; start with something impossible
* to prevent a loop. */
while ((p != 'n') && (p != 'y') && (p != 'q') && (p != ESCAPE) &&
(p != ' ') && (p != EOF))
p = wgetch(Msg2w);
switch (p) {
case 'y': wprintw(Msg2w,"yes. "); break;
case 'n': wprintw(Msg2w,"no. "); break;
case ESCAPE: p = 'q'; /* fall through to 'q' */
case ' ': p = 'q'; /* fall through to 'q' */
case 'q': wprintw(Msg2w,"quit. "); break;
default: assert( p == EOF );
}
wrefresh(Msg2w);
return(p);
}
void erasemsg3 (void)
{
werase(Msg3w);
memset(screenLine3, 0, SL3_LEN);
}
/* puts up a morewait to allow reading if anything in top two lines */
void checkclear(void)
{
int x1,y,x2;
getyx(Msg1w,x1,y);
getyx(Msg2w,x2,y);
if ((x1 != 0) || (x2 != 0)) {
morewait();
wclear(Msg1w);
wclear(Msg2w);
wrefresh(Msg1w);
wrefresh(Msg2w);
}
}
/* for external call */
void clearmsg(void)
{
wclear(Msg1w);
wclear(Msg2w);
erasemsg3();
Msgw = Msg1w;
wrefresh(Msg1w);
wrefresh(Msg2w);
wrefresh(Msg3w);
}
void clearmsg3(void)
{
erasemsg3();
wrefresh(Msg3w);
}
void clearmsg1(void)
{
wclear(Msg1w);
wclear(Msg2w);
Msgw = Msg1w;
wrefresh(Msg1w);
wrefresh(Msg2w);
}
void erase_level(void)
{
wclear(Levelw);
wrefresh(Levelw);
}
/* direct print to first msg line */
void print1(char *s)
{
if (! gamestatusp(SUPPRESS_PRINTING)) {
buffercycle(s);
wclear(Msg1w);
wprintw(Msg1w,s);
wrefresh(Msg1w);
}
}
/* for run on-messages -- print1 clears first.... */
void nprint1(char *s)
{
if (! gamestatusp(SUPPRESS_PRINTING)) {
if (bufferappend(s)) {
wprintw(Msg1w,s);
wrefresh(Msg1w);
}
}
}
/* direct print to second msg line */
void print2(char *s)
{
if (! gamestatusp(SUPPRESS_PRINTING)) {
buffercycle(s);
wclear(Msg2w);
wprintw(Msg2w,s);
wrefresh(Msg2w);
}
}
/* for run on-messages -- print2 clears first.... */
void nprint2(char *s)
{
if (! gamestatusp(SUPPRESS_PRINTING)) {
if (bufferappend(s)) {
wprintw(Msg2w,s);
wrefresh(Msg2w);
}
}
}
/* msg line 3 is not part of the region that mprint or printm can reach */
/* typical use of print3 is for "you can't do that" type error messages */
/* WDT: it's also typically used for messages intended to persist a while.
* Thus I'm having print3 save its input in a global variable which other
* things can use. */
void print3 (char *s)
{
if (!gamestatusp(SUPPRESS_PRINTING))
{
buffercycle(s);
erasemsg3();
wprintw(Msg3w, s);
strcpy(screenLine3, s);
wrefresh(Msg3w);
}
}
/* for run on-messages -- print3 clears first.... */
void nprint3(char *s)
{
if (!gamestatusp(SUPPRESS_PRINTING))
{
if (bufferappend(s))
{
strcat(screenLine3, s);
wprintw(Msg3w,s);
wrefresh(Msg3w);
}
}
}
/* prints wherever cursor is in window, but checks to see if
it should morewait and clear window */
void mprint(char *s)
{
int x,y;
if (! gamestatusp(SUPPRESS_PRINTING)) {
getyx(Msgw,y,x);
if (x+strlen(s) >= ScreenWidth) {
buffercycle(s);
if (Msgw == Msg1w) {
wclear(Msg2w);
Msgw = Msg2w;
}
else {
morewait();
wclear(Msg1w);
wclear(Msg2w);
wrefresh(Msg2w);
Msgw = Msg1w;
}
}
else if (x > 0)
bufferappend(s);
else
buffercycle(s);
wprintw(Msgw,s);
waddch(Msgw,' ');
wrefresh(Msgw);
}
}
void omega_title(void)
{
showmotd();
clear();
touchwin(stdscr);
refresh();
/* showscores();*/ /* DG */
}
/* blanks out ith line of Menuw or Levelw */
void hide_line(int i)
{
wclear(Showline[i]);
touchwin(Showline[i]);
wrefresh(Showline[i]);
}
#ifdef USE_OPCURSES
static void load_tiles (void)
{
char * path;
path = malloc(strlen(OMEGALIB) + strlen(TILEFILE) + 1);
if (0 == path) return;
strcpy(path, OMEGALIB);
strcat(path, TILEFILE);
set_tiles(path);
free(path);
}
#endif
/* initialize, screen, windows */
void initgraf(void)
{
int i;
#ifdef USE_OPCURSES
load_tiles();
#endif
initscr();
#if !defined(MSDOS_SUPPORTED_ANTIQUE)
start_color();
# ifndef AMIGA
clrgen_init();
# endif
#endif
if (LINES < 24 || COLS < 80) {
printf("Minimum Screen Size: 24 Lines by 80 Columns.");
exit(0);
}
#ifdef AMIGA
init_color(1, 800, 800, 800); /* white */
init_color(2, 644, 164, 164); /* brown */
init_color(3, 800, 800, 0); /* yellow */
init_color(4, 200, 200, 200); /* grey */
init_color(5, 0, 1000, 0); /* green */
init_color(6, 0, 0, 1000); /* blue */
init_color(7, 1000, 0, 0); /* red */
LINES -= 2; /* ugly, but neccessary with this curses package... */
#endif
ScreenLength = LINES - 6;
ScreenWidth = 64; /* PGM */
Msg1w = newwin(1,80,0,0);
scrollok(Msg1w, 0); /* DJGPP curses defaults to scrollable new windows */
Msg2w = newwin(1,80,1,0);
scrollok(Msg2w, 0);
Msg3w = newwin(1,80,2,0);
scrollok(Msg3w, 0);
Msgw = Msg1w;
Morew = newwin(1,15,3,65);
scrollok(Morew, 0);
#ifdef NEW_BANK
Bankw = newwin( 20, 50, ( ScreenLength - 20 ) / 2 + 3, 7 );
scrollok( Bankw, 0 );
#endif
Locw = newwin(1,80,ScreenLength+3,0);
scrollok(Locw, 0);
Levelw = newwin(ScreenLength,ScreenWidth,3,0);
scrollok(Levelw, 0);
for(i=0;i<MAXITEMS;i++) {
Showline[i] = newwin(1,ScreenWidth,i+3,0);
scrollok(Showline[i], 0);
wclear(Showline[i]);
}
Menuw = newwin(ScreenLength,ScreenWidth,3,0);
scrollok(Menuw, 0);
Dataw = newwin(2,80,ScreenLength+4,0);
scrollok(Dataw, 0);
Timew = newwin(2,15,4,65);
scrollok(Timew, 0);
Phasew = newwin(2,15,6,65);
scrollok(Phasew, 0);
Flagw = newwin(4,15,9,65);
scrollok(Flagw, 0);
Comwin = newwin(8,15,14,65);
scrollok(Comwin, 0);
Cinema = newwin(3,80,0,0); /* the same position and size as the three
* message windows. */
scrollok(Cinema,0);
noecho();
crmode();
clear();
touchwin(stdscr);
/* omega_title();*/
/* clear();*/
/* touchwin(stdscr);*/
/* refresh();*/ /* DG */
}
/* cinema_display: pop up a window out of the way of the screen and fill it
* with 3 lines of text. The lines may be NULL pointers. */
void cinema_display (char *line1, char *line2, char *line3)
{
werase(Cinema);
if (line1)
{
if (line2)
{
if (line3)
{
mvwprintw(Cinema, 0, 0, line1);
mvwprintw(Cinema, 1, 0, line2);
mvwprintw(Cinema, 2, 0, line3);
}
else
{
mvwprintw(Cinema, 2, 0, screenLine3);
mvwprintw(Cinema, 0, 0, line1);
mvwprintw(Cinema, 1, 0, line2);
}
}
else
{
if (line3)
{
mvwprintw(Cinema, 0, 0, line1);
mvwprintw(Cinema, 2, 0, line3);
}
else
{
mvwprintw(Cinema, 2, 0, screenLine3);
mvwprintw(Cinema, 0, 0, line1);
}
}
}
else
{
if (line2)
{
if (line3)
{
mvwprintw(Cinema, 1, 0, line2);
mvwprintw(Cinema, 2, 0, line3);
}
else
{
mvwprintw(Cinema, 2, 0, screenLine3);
mvwprintw(Cinema, 1, 0, line2);
}
}
else
{
if (line3)
{
mvwprintw(Cinema, 2, 0, line3);
}
else
{
mvwprintw(Cinema, 2, 0, screenLine3);
}
}
}
wrefresh(Cinema);
}
void cinema_blank (void)
{
werase(Cinema);
}
static void cinema_blank_line (int line)
{
int x;
int maxy, maxx;
getmaxyx(Cinema, maxy, maxx);
wmove(Cinema, line, 0);
for (x = 0; x < maxx; ++x)
waddch(Cinema, ' ');
wrefresh(Cinema);
}
void cinema_print_line (int line, char * text)
{
mvwprintw(Cinema, line, 0, text);
wrefresh(Cinema);
}
/* Doggone it, there ought to be a way to simply hide a window, thereby
* redrawing anything which happened to be under it. */
void cinema_hide (void)
{
touchwin(Msg1w);
wrefresh(Msg1w);
touchwin(Msg2w);
wrefresh(Msg2w);
touchwin(Msg3w);
wrefresh(Msg3w);
}
int cinema_getch (void)
{
int response;
response = wgetch(Cinema);
if (EOF == response || ESCAPE == response) response = -1;
return response;
}
/* cinema_interact: pop up a window out of the way of the screen, fill
* it with up to three lines of text, wait for user input, close the
* window, and return the user's input.
*
* Params:
*
* choices: a \0-terminated array containing the characters which are
* acceptable responses to this interaction. ESC is always
* acceptable, regardless of choices. \0 is never acceptable
* and may not be embedded in the string.
*
* line1-3: The 3 lines of text, each at most 80 chars long. Any may
* be NULL, and none may contain CRs or escape sequences.
*
* Return Value:
* -1 if ESC was pressed; otherwise the character chosen.
*/
int cinema_interact (char *choices, char *line1, char *line2, char *line3)
{
int response;
assert(choices && strlen(choices) > 0);
while (1)
{
cinema_display(line1, line2, line3);
response = cinema_getch();
if (-1 == response) break;
if (strchr(choices, response)) break;
if (!line3) line3 = "What? Try again!";
}
cinema_hide();
return response;
}
int cinema_interact_line (int line, char * choices, char * text)
{
int response;
assert(0 == line || 1 == line);
assert(choices && strlen(choices) > 0);
while (1)
{
cinema_print_line(line, text);
response = cinema_getch();
if (ABORT == response) break;
if (strchr(choices, response)) break;
cinema_print_line(2, "What? Try again!");
}
return response;
}
int cinema_ynq_line (int line, char * prompt)
{
return cinema_interact_line(line, "ynqYNQ", prompt);
}
int cinema_getnum_line (int line, char * prompt)
{
int num;
assert(0 == line || 1 == line);
cinema_blank_line(line);
cinema_print_line(line, prompt);
num = (int)input_number(Cinema);
return num;
}
int cinema_confirm (char * action_description)
{
char *msg;
switch (random_range(4))
{
case 0: msg = "Are you sure? [yn] "; break;
case 1: msg = "Certain about that? [yn] "; break;
case 2: msg = "Do you really mean it? [yn] "; break;
default: msg = "Confirm that, would you? [yn] "; break;
}
return cinema_interact("ynqYNQ", action_description, msg, NULL);
}
int cinema_ynq (char *action_description)
{
return cinema_interact("ynqYNQ", action_description, NULL, NULL);
}
void cinema_scene (char *line1, char *line2, char *line3)
{
cinema_display(line1, line2, line3);
morewait();
cinema_hide();
}
int lastx= -1,lasty= -1;
void drawplayer(void)
{
int c;
if (E_COUNTRYSIDE == Current_Environment)
{
if (inbounds(lastx, lasty) && !offscreen(lastx, lasty))
{
wmove(Levelw, screenmody(lasty), screenmodx(lastx));
c = Country[lastx][lasty].current_terrain_type;
if (optionp(SHOW_COLOUR)) wattrset(Levelw, CHARATTR(c));
waddch(Levelw, c & 0xff);
}
wmove(Levelw, screenmody(Player.y), screenmodx(Player.x));
if (optionp(SHOW_COLOUR)) wattrset(Levelw, CHARATTR(PLAYER));
waddch(Levelw, PLAYER & 0xff);
}
else
{
if (inbounds(lastx, lasty) && !offscreen(lastx, lasty))
plotspot(lastx, lasty, (Player.status[BLINDED] > 0 ? FALSE : TRUE));
wmove(Levelw, screenmody(Player.y), screenmodx(Player.x));
if ((!Player.status[INVISIBLE]) || Player.status[TRUESIGHT])
{
if (optionp(SHOW_COLOUR)) wattrset(Levelw, CHARATTR(PLAYER));
waddch(Levelw, PLAYER & 0xff);
}
}
lastx = Player.x;
lasty = Player.y;
}
void setlastxy(int new_x, int new_y) /* used when changing environments */
{
lastx = new_x;
lasty = new_y;
}
int litroom(int x, int y)
{
if (Level->site[x][y].roomnumber < ROOMBASE) return(FALSE);
else return(loc_statusp(x,y,LIT) ||
Player.status[ILLUMINATION]);
}
void drawvision(int x, int y)
{
static int oldx = -1,oldy = -1;
int i,j,c;
if (Current_Environment != E_COUNTRYSIDE) {
if (Player.status[BLINDED]) {
drawspot(oldx,oldy);
drawspot(x,y);
drawplayer();
}
else {
if (Player.status[ILLUMINATION] > 0) {
for (i= -2;i<3;i++)
for (j= -2;j<3;j++)
if (inbounds(x+i,y+j))
if (view_los_p(x+i,y+j,Player.x,Player.y))
dodrawspot(x+i,y+j);
}
else {
for (i= -1;i<2;i++)
for (j= -1;j<2;j++)
if (inbounds(x+i,y+j))
dodrawspot(x+i,y+j);
}
drawplayer();
drawmonsters(FALSE); /* erase all monsters */
drawmonsters(TRUE); /* draw those now visible */
}
if ((! gamestatusp(FAST_MOVE)) || (! optionp(JUMPMOVE)))
omshowcursor(Player.x,Player.y);
oldx = x;
oldy = y;
}
else {
for (i= -1;i<2;i++)
for (j= -1;j<2;j++)
if (inbounds(x+i,y+j)) {
c_set(x+i, y+j, SEEN);
if (!offscreen(x+i,y+j)) {
wmove(Levelw,screenmody(y+j),screenmodx(x+i));
c = Country[x+i][y+j].current_terrain_type;
if (optionp(SHOW_COLOUR))
wattrset(Levelw, CHARATTR(c));
waddch(Levelw,(c&0xff));
}
}
drawplayer();
omshowcursor(Player.x,Player.y);
}
}
void omshowcursor(int x, int y)
{
if (! offscreen(x,y)) {
wmove(Levelw,screenmody(y),screenmodx(x));
wrefresh(Levelw);
}
}
void levelrefresh(void)
{
wrefresh(Levelw);
}
/* draws a particular spot under if in line-of-sight */
void drawspot(int x, int y)
{
Symbol c;
if (inbounds(x,y)) {
c = getspot(x,y,FALSE);
if (c != Level->site[x][y].showchar)
if (view_los_p(Player.x,Player.y,x,y)) {
lset(x,y,SEEN);
Level->site[x][y].showchar = c;
putspot(x,y,c);
}
}
}
/* draws a particular spot regardless of line-of-sight */
void dodrawspot(int x, int y)
{
Symbol c;
if (inbounds(x,y)) {
c = getspot(x,y,FALSE);
if (c != Level->site[x][y].showchar) {
lset(x,y,SEEN);
Level->site[x][y].showchar = c;
putspot(x,y,c);
}
}
}
/* write a blank to a spot if it is floor */
void blankoutspot(int i, int j)
{
if (inbounds(i,j)) {
lreset(i,j,LIT);
lset(i, j, CHANGED);
if (Level->site[i][j].locchar == FLOOR) {
Level->site[i][j].showchar = SPACE;
putspot(i,j,SPACE);
}
}
}
/* blank out a spot regardless */
void blotspot(int i, int j)
{
if (inbounds(i,j)) {
lreset(i,j,SEEN);
Level->site[i][j].showchar = SPACE;
if (! offscreen(i,j)) {
wmove(Levelw,screenmody(j),screenmodx(i));
wattrset(Levelw, CHARATTR(SPACE));
waddch(Levelw, SPACE&0xff);
}
}
}
/* for displaying activity specifically at some point */
void plotspot(int x, int y, int showmonster)
{
if (loc_statusp(x,y,SEEN))
putspot(x,y,getspot(x,y,showmonster));
else
putspot(x,y,SPACE);
}
/* Puts c at x,y on screen. No fuss, no bother. */
void putspot(int x, int y, Symbol c)
{
if (! offscreen(x,y)) {
wmove(Levelw,screenmody(y),screenmodx(x));
if (optionp(SHOW_COLOUR))
wattrset(Levelw, CHARATTR(c));
waddch(Levelw,(0xff&c));
}
}
/* regardless of line of sight, etc, draw a monster */
void plotmon(pmt m)
{
if (! offscreen(m->x,m->y)) {
wmove(Levelw,screenmody(m->y),screenmodx(m->x));
if (optionp(SHOW_COLOUR))
wattrset(Levelw, CHARATTR(m->monchar));
waddch(Levelw,(m->monchar&0xff));
}
}
/* if display, displays monsters, otherwise erases them */