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Length: 7125 (0x1bd5)
Types: TextFile
Names: »screen.c«
└─⟦b20c6495f⟧ Bits:30007238 EUUGD18: Wien-båndet, efterår 1987
└─⟦this⟧ »EUUGD18/General/Pm/BSD/screen.c«
/*
** screen.c - code dealing with display (most of what is written to the
** screen during the course of a game is done here)
**
** [pm by Peter Costantinidis, Jr. @ University of California at Davis]
*/
#include "pm.h"
/*
** p_draw_screen()- draw the board
** - this ordering is kind of important. the dots must
** be printed first and then the barriers in standout
** so that if the terminal uses "inverse video" for
** the so entry in /etc/termcap (or wherever) the
** paths through the maze are not in inverse video.
** - also, whenever the screen is cleared and dots()
** called, barriers() must be called again, or else
** dots() will overwrite the barriers.
** - the SLOWER() is so that the monsters don't move
** until the screen is totally redrawn
*/
void draw_screen ()
{
alarm(0); /* make sure the alarm is off */
msg("");
randomize(SEED);
clear();
p_dots(); /* the dots must be printed first */
standout();
p_barriers();
standend();
p_scores();
p_energizers();
p_pm();
p_pms();
p_monsters();
p_fruits();
draw();
sleep(1);
}
/*
** new_screen() - called when a screen has been cleaned out
** - the SLOWER() is so that the monsters don't move
** until the screen is totally redrawn
*/
void new_screen ()
{
reg int i;
alarm(0); /* make sure the alarm is off */
msg("");
randomize(SEED);
flush();
mvaddch(pm_pos.y, pm_pos.x, EMPTY);
aggressive();
for (i = 0; i < 4; i++)
m_erase(ghosts[i]);
draw();
p_scores();
p_dots();
standout();
p_barriers();
standend();
p_energizers();
p_pm();
p_monsters();
p_fruits();
draw();
sleep(2);
}
/*
** old_screen()- called when pm is eaten
*/
void old_screen ()
{
reg int i;
alarm(0); /* make sure the alarm is off */
msg("");
flush();
mvaddch(pm_pos.y, pm_pos.x, EMPTY);
aggressive();
for (i = 0; i < MAX_MONS; i++)
m_erase(ghosts[i]);
draw();
p_scores();
p_pms();
p_pm();
p_monsters();
draw();
sleep(1);
}
/*
** redraw() - redraw the screen
*/
void redraw ()
{
alarm(0); /* make sure the alarm is off */
clearok(stdscr, TRUE);
msg("");
draw();
sleep(1);
}
/*
** p_scores() - print the score and high score if changed
** - check to see if they get another pm
** - must remember to print both scores when the
** game is first started
*/
void p_scores ()
{
static long _score = -1L;
if (thescore == _score)
return; /* the posted score is accurate */
if ((thescore > BONUS) && pm_bonus)
{
pm_bonus = FALSE;
pms_left++;
p_pms();
}
move(0, 23);
printw("%06ld", thescore);
if (thescore > hi_score || _score == -1L)
{
move(0, 47);
printw("%06ld",
(thescore>hi_score) ? (hi_score=thescore) : hi_score);
}
_score = thescore;
}
/*
** p_fruits() - place the fruit and sets its value
*/
void p_fruits ()
{
reg int lvl = (level >= MAX_LEVEL ? MAX_LEVEL-1 : level);
fr_ch = fruit[lvl];
fr_val = fruit_val[lvl];
move(13, 26);
addch(fr_ch);
}
/*
** add_fruit() - add eaten fruit to fruit list
** - have to shift things over some
*/
void add_fruit (fr)
reg char fr;
{
reg int i;
for (i = 6; i > 0; i--)
fruit_eaten[i * 2] = fruit_eaten[(i - 1) * 2];
fruit_eaten[0] = fr;
move(0, 55);
printw("%s", fruit_eaten);
}
/*
** p_pm() - place the pm in its starting position
*/
void p_pm ()
{
pm_tunn = FALSE;
pm_pos.x = 26;
pm_pos.y = 17;
move(pm_pos.y, pm_pos.x);
addch(PM);
}
/*
** p_pms() - place the spare pm's
*/
void p_pms ()
{
reg int i;
for (i = 1; i < MAX_PMS; i++)
{
move(0, (2 * (i - 1)));
if (i >= pms_left)
addch(EMPTY);
else
addch(PM);
}
}
/*
** p_energizers() - put in the energizers
*/
void p_energizers ()
{
move(4, 51);
addch(ENERGY);
move(4, 1);
addch(ENERGY);
move(17, 1);
addch(ENERGY);
move(17, 51);
addch(ENERGY);
e_left = MAX_ENERGY;
}
static char *_board[] =
{
"#####################################################\n",
"# ##### #\n",
"# ######### ########### ##### ########### ######### #\n",
"# ######### ########### ##### ########### ######### #\n",
"# #\n",
"# ######### ##### ################# ##### ######### #\n",
"# ##### ##### ##### #\n",
"########### ########### ##### ########### ###########\n",
"# # ##### ##### # #\n",
"########### ##### ######## ######## ##### ###########\n",
" # # \n",
"########### ##### ################# ##### ###########\n",
"# # ##### ##### # #\n",
"########### ##### ################# ##### ###########\n",
"# ##### #\n",
"# ######### ########### ##### ########### ######### #\n",
"# ##### ##### #\n",
"##### ##### ##### ################# ##### ##### #####\n",
"# ##### ##### ##### #\n",
"# ##################### ##### ##################### #\n",
"# ##################### ##### ##################### #\n",
"# #\n",
"#####################################################\n",
0
};
/*
** p_barriers() - fills in the board
*/
void p_barriers ()
{
static int once = TRUE;
static WINDOW *tmp;
if (once)
{
reg char **str = _board;
if ((tmp = newwin(0, 0, 0, 0)) == ERR)
{
move(0, 0);
printw("barriers(): newwin() error");
draw();
quit_it();
}
wmove(tmp, TOP, 0);
while (*str)
waddstr(tmp, *str++);
once = FALSE;
}
overlay(tmp, stdscr);
}
static char *_dots[] =
{
" \n",
" . . . . . . . . . . . . . . . . . . . . . . . . \n",
" . . . . . . \n",
" . . . . . . \n",
" . . . . . . . . . . . . . . . . . . . . . . . . . . \n",
" . . . . . . \n",
" . . . . . . . . . . . . . . . . . . . . \n",
" . . \n",
" . . \n",
" . = . \n",
"- . . -\n",
" . . \n",
" . . \n",
" . . \n",
" . . . . . . . . . . . . . . . . . . . . . . . . \n",
" . . . . . . \n",
" . . . . . . . . . . . . . . . . . . . . \n",
" . . . . . . \n",
" . . . . . . . . . . . . . . . . . . . . \n",
" . . . . \n",
" . . . . \n",
" . . . . . . . . . . . . . . . . . . . . . . . . . . \n",
" \n",
0
};
/*
** p_dots() - fills in the board
*/
void p_dots ()
{
reg char **str = _dots;
d_left = MAX_DOTS;
move(TOP, 0);
while (*str)
addstr(*str++);
}