From b3aa774ad8ae88fe15a6160750b8d5d5462f4aec Mon Sep 17 00:00:00 2001
From: Laurent Mazet <mazet@softndesign.org>
Date: Mon, 4 Nov 2024 07:44:03 +0100
Subject: [PATCH] WIP for ghost moves

---
 constant.h |  1 +
 pacman.c   | 37 +++++++++++++++++++++++++++++++++++--
 2 files changed, 36 insertions(+), 2 deletions(-)

diff --git a/constant.h b/constant.h
index 5a790ad..a28f686 100644
--- a/constant.h
+++ b/constant.h
@@ -7,6 +7,7 @@
 
 #ifndef __CONSTANT_C__
 
+#define MAXNBGHOSTS 4
 extern int maxnbturns;
 extern int turnspan;
 extern int savelen;
diff --git a/pacman.c b/pacman.c
index 8bc68c6..536445f 100644
--- a/pacman.c
+++ b/pacman.c
@@ -74,6 +74,7 @@ void getnewposition (board_t *board, int dir, int x, int y, int *px, int *py)
 /* main function */
 int main (int argc, char *argv[])
 {
+    int i;
 
     /* get basename */
     char *pt = progname = argv[0];
@@ -190,8 +191,23 @@ int main (int argc, char *argv[])
     if (findchar (board, 'c', &x, &y)) {
         VERBOSE (WARNING, printf ("can't find Pacman\n"));
     }
+    int dir = -1;
     int nx = x;
     int ny = y;
+    int ndir = dir;
+
+    /* ghost positions */
+    int gx[MAXNBGHOSTS] = {0};
+    int gy[MAXNBGHOSTS] = {0};
+    for (i = 0; i < MAXNBGHOSTS; i++) {
+        if ((findchar (board, 'P' + i, gx + i, gy + i)) &&
+            (findchar (board, 'p' + i, gx + i, gy + i)) &&
+            (findchar (board, '$' + i, gx + i, gy + i))) {
+            VERBOSE ((i == 0) ? WARNING : INFO, printf ("can't find Ghost n°%d\n", i));
+        }
+    }
+    int gdir[MAXNBGHOSTS] = {-1, -1, -1, -1};
+    int gdelay[MAXNBGHOSTS] = {5, 10, 15, 20};
 
     /* event loop */
     int stop = 0;
@@ -201,8 +217,6 @@ int main (int argc, char *argv[])
     timeval_t turn = {0, 0};
     int delta = 0;
     int nbturns = 0;
-    int dir = -1;
-    int ndir = -1;
     int spin = 0;
     while (!stop) {
 
@@ -283,6 +297,25 @@ int main (int argc, char *argv[])
             refresh ();
             spin = 0;
 
+            /* move ghosts */
+            for (i = 0; i < MAXNBGHOSTS; i++) {
+                char *cell = getcell (board, gx[i], gy[i]);
+                if (*cell == 'x' + i) {
+                } else if ((*cell == 'P' + i) || (*cell == 'p' + i)) {
+                    int gnx, gny;
+                    getnewposition (board, gdir[i], gx[i], gy[i], &gnx, &gny);
+                    cell = getcell (board, gnx, gny);
+                } else if ((*cell != '*') && (*cell != '.') && (*cell != ' ')) {
+                    //
+                    //int *ncell = getcell (board, gnx, gny);
+                    if ((*cell == 'C') || (*cell == 'c')) {
+
+                    }
+                } else if (*cell == '$' + i) {
+                    gdelay[i]--;
+                }
+            }
+
         } else if ((delta > turnspan / 2) && (spin == 0)) {
 
             /* pacman mouth close */
-- 
2.30.2