mlow/pac-dude
1
0
Fork 0
Code Issues 2 Pull Requests Releases Wiki Activity

Add fix for ghosts getting stuck, Fixes #1

Browse Source
This commit is contained in:
Matt Low 2019-12-27 16:55:47 +04:00
parent 8f13d9295c
commit 933f696fe8
1 changed files with 30 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

32
core/src/com/me/pacman/entity/Ghost.java
View File

@ -102,7 +102,35 @@ public class Ghost extends MovableEntity {
return;
}
if (getNextDirection() != null) {
Direction nextDirection = getNextDirection();
if (!canMove) {
// we're stuck somewhere, let's change directions to a new valid direction
// check if we already have a nextDirection which will get us unstuck
if (nextDirection != null) {
Vector2 adjacent = nextDirection.getVector().add(pos);
LevelTile adjTile = state.level.getTile(adjacent);
if (adjTile != null && adjTile.isPassable()) {
return;
}
}
for (Direction dir : GHOST_ORDER) {
if (dir.isOpposite(currDirection) || dir == currDirection) {
// don't just turn around or keep going our current direction (since we'll continue being stuck)
continue;
}
Vector2 adjacent = dir.getVector().add(pos);
LevelTile adjTile = state.level.getTile(adjacent);
if (adjTile != null && adjTile.isPassable()) {
setNextDirection(dir);
return;
}
}
}
if (nextDirection != null) {
return;
}
@ -118,8 +146,8 @@ public class Ghost extends MovableEntity {
}
Vector2 ahead = new Vector2((int) pos.x, (int) pos.y).add(currDirection.getVector());
float shortest = Float.MAX_VALUE;
Direction nextDirection = null;
for (Direction dir : GHOST_ORDER) {
if (dir.isOpposite(currDirection)) {