Single Player AI Test 3

src/bomberclone.h

@@ -1,4 +1,4 @@
-/* $Id: bomberclone.h,v 1.27 2003/05/28 22:31:47 stpohle Exp $ */
+/* $Id: bomberclone.h,v 1.28 2003/05/28 23:03:21 stpohle Exp $ */
 /* bomberclone.h */
 
 #ifndef _BOMBERCLONE_H_
@@ -251,6 +251,7 @@ extern int ai_findbestbombdir (_point pos, int dir, int range);
 extern int ai_bombpoints (_point pos, int range);
 extern int ai_runawayfrom (_point p, int nearbomb, signed char norecursive);
 extern int ai_checkfield (int x, int y);
+extern int ai_easyrunaway (_point p);
 
 
 // mapmenu.c

src/single.c

@@ -1,4 +1,4 @@
-/* $Id: single.c,v 1.21 2003/05/28 22:31:47 stpohle Exp $ */
+/* $Id: single.c,v 1.22 2003/05/28 23:03:21 stpohle Exp $ */
 /* single player */
 
 #include "basic.h"
@@ -70,6 +70,70 @@ ai_checkfield (int x, int y)
 }
 
 
+/* give the run away direction */
+int
+ai_easyrunaway (_point p)
+{
+	int i, done = 0, dir = 0;
+	_point pos[4], m[4];
+	
+	for (i = 0; i < 4; i++) {
+		pos[i] = p;
+        switch (i) {
+            case (left):
+                m[i].x = -1;
+                m[i].y = 0;
+                break;
+            case (right):
+                m[i].x = 1;
+                m[i].y = 0;
+                break;
+            case (up):
+                m[i].x = 0;
+                m[i].y = -1;
+                break;
+            default:
+                m[i].x = 0;
+                m[i].y = 1;
+                break;
+            }
+			pos[i].x += m[i].x;
+			pos[i].y += m[i].y;
+	}
+
+	/* test the possible ways */
+	while (!done) {
+		done = 1;
+		
+		for (i = 0; i < 4; i++) {
+			/* check if we are still in the game field */
+			if (pos[i].x <= 0 || pos[i].y <= 0 || pos[i].x >= bman.fieldsize.x-1 || pos[i].y >= bman.fieldsize.y-1)
+				pos[i].x = pos[i].y = -1;
+			
+			if (pos[i].x != -1 && pos[i].y != -1) {
+				/* check if this place is free to go to */
+				if (ai_checkfield (pos[i].x, pos[i].y)) {
+					done = 0;
+					/* check the field left and right beside */
+					if (i == left || i == right) {
+						if (ai_checkfield (pos[i].x, pos[i].y - 1) || ai_checkfield (pos[i].x, pos[i].y + 1))
+							dir |= (1 << i);
+					}
+					else {
+						if (ai_checkfield (pos[i].x - 1, pos[i].y) || ai_checkfield (pos[i].x + 1, pos[i].y))
+							dir |= (1 << i);
+					}
+					pos[i].x += m[i].x;
+					pos[i].y += m[i].y;
+				}
+			}
+		}
+	}
+	
+	return dir;
+};
+
+
 /* give the run away direction */
 int
 ai_runawayfrom (_point p, int nearbomb, signed char norecursive)
@@ -135,8 +199,6 @@ ai_runawayfrom (_point p, int nearbomb, signed char norecursive)
 			}
 		}
 	}
-
-	printf ("["); d_bitprint (dir, 4);
 	
 	if (norecursive == 0) {// to prevent from invinite loops
 		for (i = 0; i < 4; i ++) 
@@ -156,8 +218,6 @@ ai_runawayfrom (_point p, int nearbomb, signed char norecursive)
 					dir &= (0xFF - (1 << i));
 			}
 	}
-
-	d_bitprint (dir, 4); printf ("] ");
 	
 	return dir;
 };
@@ -205,8 +265,8 @@ ai_bombpoints (_point pos, int range)
                 points++;
         }
     }
-
-    if ((ai_runawayfrom (p, 16, 0) == 0) || ai_findnearbombs (p) != 0)
+	
+    if (ai_easyrunaway (pos) == 0 || ai_findnearbombs (pos) != 0)
         points = 0;
 	
     return points;
@@ -258,9 +318,6 @@ ai_findbestbombdir (_point pos, int dir, int range)
     if (points[bestd] <= points[4] && points[4] != 0)
         bestd = 4;
 
-    d_printf ("ai_findbestbombdir (%d %d %d %d %d)\n", points[0], points[1], points[2], points[3],
-              points[4]);
-
     return bestd;
 }
 
@@ -383,8 +440,6 @@ ai_choosedir (int dir, int nearbomb, int oldpos) {
 	else
 		i = rdir[s_random (rnr)];
 
-	printf ("AIDir %d,%d->%d ", rnr,bnr, i);
-
 	return i;
 };
 
@@ -468,7 +523,6 @@ single_loop ()
                 pl->m = 1;
             else {
                 nearbomb = ai_findnearbombs (plpos);
-				printf ("SP: %d,%d NB:", plpos.x, plpos.y); d_bitprint (nearbomb, 5);
                 if (nearbomb == 0) { // no bombs found
 					bestbdir = ai_findbestbombdir (plpos, pl->d, pl->range);
 					if (bestbdir >= 4)
@@ -484,15 +538,11 @@ single_loop ()
                 }
                 else {
                     // bombs in the near found
-					printf (" FB: %d,%d ", plpos.x, plpos.y);
 					if ((i = ai_runawayfrom (plpos, nearbomb, 0)) != 0) {
 						pl->d = ai_choosedir (i, nearbomb, pl->d); // we have to make a choice.. do it
 					    pl->m = 1;
 					}
-					printf ("D:%d, M:%d, Flee", pl->d, pl->m);
-					d_bitprint (i, 4);
                 }
-				printf ("\n");
             }
             player_ilness_loop (p);
             move_player (p);