Fixed some memory problems; Adjusted timer_delay2 for robot briefings

CHANGELOG.txt

@@ -1,5 +1,9 @@
 D2X-Rebirth Changelog
 
+20071123
+--------
+main/aipath.c, main/fireball.c, main/titles.c: Fixed some memory problems; Adjusted timer_delay2 for robot briefings
+
 20071121
 --------
 arch/sdl/key.c, arch/sdl/timer.c, include/timer.h, main/game.c, main/gamecntl.c, main/kconfig.c, main/kmatrix.c, main/network.c, main/newmenu.c, main/scores.c, main/titles.c: Introduced timer_delay2 as replacement for timer_delay to sleep according to given FPS rate considering calc time between frames

main/aipath.c

@@ -393,6 +393,9 @@ if ((objp->type == OBJ_ROBOT) && (objp->ctype.ai_info.behavior == AIB_RUN_FROM))
 dont_add: ;
 		}	//	for (sidenum...
 
+		if (qtail<=0)
+			return 0;
+
 		if (qhead >= qtail) {
 			//	Couldn't get to goal, return a path as far as we got, which probably acceptable to the unparticular caller.
 			end_seg = seg_queue[qtail-1].end;
@@ -406,6 +409,9 @@ dont_add: ;
 cpp_done1: ;
 	}	//	while (cur_seg ...
 
+	if (qtail<=0)
+		return 0;
+
 	//	Set qtail to the segment which ends at the goal.
 	while (seg_queue[--qtail].end != end_seg)
 		if (qtail < 0) {

main/fireball.c

@@ -440,13 +440,15 @@ int pick_connected_segment(object *objp, int max_depth)
 
 //	mprintf((0, "Finding a segment %i segments away from segment %i: ", max_depth, objp->segnum));
 
+	memset(visited, 0, Highest_segment_index+1);
+	memset(depth, 0, Highest_segment_index+1);
+	memset(seg_queue,0,QUEUE_SIZE*2);
+
 	start_seg = objp->segnum;
 	head = 0;
 	tail = 0;
 	seg_queue[head++] = start_seg;
 
-	memset(visited, 0, Highest_segment_index+1);
-	memset(depth, 0, Highest_segment_index+1);
 	cur_depth = 0;
 
 	for (i=0; i<MAX_SIDES_PER_SEGMENT; i++)
@@ -462,10 +464,11 @@ int pick_connected_segment(object *objp, int max_depth)
 		side_rand[i] = temp;
 	}
 
+
 	while (tail != head) {
-		int		sidenum;
+		int		sidenum, count;
 		segment	*segp;
-		sbyte		ind1, ind2, temp;
+		int		ind1, ind2, temp;
 
 		if (cur_depth >= max_depth) {
 //			mprintf((0, "selected segment %i\n", seg_queue[tail]));
@@ -482,11 +485,19 @@ int pick_connected_segment(object *objp, int max_depth)
 		side_rand[ind1] = side_rand[ind2];
 		side_rand[ind2] = temp;
 
-		for (sidenum=0; sidenum<MAX_SIDES_PER_SEGMENT; sidenum++) {
+		count = 0;
-			int	snrand = side_rand[sidenum];
+		for (sidenum=ind1; count<MAX_SIDES_PER_SEGMENT; count++) {
-			int	wall_num = segp->sides[snrand].wall_num;
+			int	snrand, wall_num;
 
-			if (((wall_num == -1) && (segp->children[snrand] > -1)) || door_is_openable_by_player(segp, snrand)) {
+			if (sidenum == MAX_SIDES_PER_SEGMENT)
+				sidenum = 0;
+
+			snrand = side_rand[sidenum];
+			wall_num = segp->sides[snrand].wall_num;
+			sidenum++;
+
+			if ((wall_num == -1 || door_is_openable_by_player(segp, snrand)) && segp->children[snrand] > -1)
+			{
 				if (visited[segp->children[snrand]] == 0) {
 					seg_queue[head++] = segp->children[snrand];
 					visited[segp->children[snrand]] = 1;
@@ -501,10 +512,12 @@ int pick_connected_segment(object *objp, int max_depth)
 				}
 			}
 		}
+
 		if ((seg_queue[tail] < 0) || (seg_queue[tail] > Highest_segment_index)) {
 			// -- Int3();	//	Something bad has happened.  Queue is trashed.  --MK, 12/13/94
 			return -1;
 		}
+
 		cur_depth = depth[seg_queue[tail]];
 	}
 

main/titles.c

@@ -976,7 +976,7 @@ int show_briefing(int screen_num, char *message)
 					if (Bitmap_name[0] != 0)
 						show_animated_bitmap();
 					start_time += KEY_DELAY_DEFAULT/2;
-					timer_delay2(20);
+					timer_delay2(50);
 				}
 
 #ifndef NDEBUG
@@ -1123,7 +1123,7 @@ int show_briefing(int screen_num, char *message)
 				if (Bitmap_name[0] != 0)
 					show_animated_bitmap();
 				start_time += KEY_DELAY_DEFAULT/2;
-				timer_delay2(20);
+				timer_delay2(50);
 			}
 
 			if (RobotPlaying)