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authorsyeyoung <cyoung06@naver.com>2021-09-18 12:40:04 +0900
committersyeyoung <cyoung06@naver.com>2021-09-18 12:40:04 +0900
commit44eef4302880c031465aae4d712f57ca366e2b44 (patch)
tree4e7ac0828b45ca90d51e1305c19b286053c68038 /src/main/java/kr/syeyoung/dungeonsguide/pathfinding
parent3d42886e90d2d41603d5741a3d5d07907f7758fe (diff)
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- no eager adding elements
Diffstat (limited to 'src/main/java/kr/syeyoung/dungeonsguide/pathfinding')
-rw-r--r--src/main/java/kr/syeyoung/dungeonsguide/pathfinding/JPSPathfinder.java45
1 files changed, 22 insertions, 23 deletions
diff --git a/src/main/java/kr/syeyoung/dungeonsguide/pathfinding/JPSPathfinder.java b/src/main/java/kr/syeyoung/dungeonsguide/pathfinding/JPSPathfinder.java
index 8ee1251f..42595d2f 100644
--- a/src/main/java/kr/syeyoung/dungeonsguide/pathfinding/JPSPathfinder.java
+++ b/src/main/java/kr/syeyoung/dungeonsguide/pathfinding/JPSPathfinder.java
@@ -120,9 +120,9 @@ public class JPSPathfinder {
start.g = 0; start.f = 0; start.h = (float) from.squareDistanceTo(to);
Node end = null; float minDist = Float.MAX_VALUE;
- long forceEnd = System.currentTimeMillis() + 3000;
+ long forceEnd = System.currentTimeMillis() + 5000;
while(!open.isEmpty()) {
-// if (forceEnd < System.currentTimeMillis()) break;
+ if (forceEnd < System.currentTimeMillis()) break;
Node n = open.poll();
n.closed= true;
if (minDist > n.h) {
@@ -134,7 +134,10 @@ public class JPSPathfinder {
}
for (Node neighbor : getNeighbors(n.parent == null ? n : n.parent, n)) {
- expand(n.x, n.y, n.z, neighbor.x - n.x, neighbor.y - n.y, neighbor.z - n.z, n);
+ Node jumpPT = expand(n.x, n.y, n.z, neighbor.x - n.x, neighbor.y - n.y, neighbor.z - n.z);
+ if (jumpPT == null || jumpPT.closed) continue;
+
+ addNode(n, jumpPT, true);
}
}
@@ -247,42 +250,38 @@ public class JPSPathfinder {
return nexts;
}
- public Node expand(int x, int y, int z, int dx, int dy, int dz, Node parent) {
+ public Node expand(int x, int y, int z, int dx, int dy, int dz) {
while(true) {
int nx = x + dx, ny = y + dy, nz = z + dz;
if (isBlocked(nx, ny, nz)) return null;
- if (nx > destinationBB.minX && nx < destinationBB.maxX && ny > destinationBB.minY && ny < destinationBB.maxY && nz > destinationBB.minZ && nz < destinationBB.maxZ) return addNode(parent, openNode(nx,ny,nz), true);
+ if (nx > destinationBB.minX && nx < destinationBB.maxX && ny > destinationBB.minY && ny < destinationBB.maxY && nz > destinationBB.minZ && nz < destinationBB.maxZ) return openNode(nx,ny,nz);
int determinant = Math.abs(dx) + Math.abs(dy) + Math.abs(dz);
if (determinant == 1) {
for (int i = -1; i<=1; i++) {
for (int j = - 1; j<=1; j++) {
if (i == 0 && j == 0) continue;
- if (dx != 0 && isBlocked(nx, ny + i, nz + j) && !isBlocked(nx+dx, ny + i, nz + j)) return addNode(parent, openNode(nx,ny,nz), true);
- if (dy != 0 && isBlocked(nx + i, ny, nz + j) && !isBlocked(nx + i, ny+dy, nz + j)) return addNode(parent, openNode(nx,ny,nz), true);
- if (dz != 0 && isBlocked(nx + i, ny + j , nz) && !isBlocked(nx + i, ny + j , nz+dz)) return addNode(parent, openNode(nx,ny,nz), true);
+ if (dx != 0 && isBlocked(nx, ny + i, nz + j) && !isBlocked(nx+dx, ny + i, nz + j)) return openNode(nx,ny,nz);
+ if (dy != 0 && isBlocked(nx + i, ny, nz + j) && !isBlocked(nx + i, ny+dy, nz + j)) return openNode(nx,ny,nz);
+ if (dz != 0 && isBlocked(nx + i, ny + j , nz) && !isBlocked(nx + i, ny + j , nz+dz)) return openNode(nx,ny,nz);
}
}
} else if (determinant == 2) {
if ((dx != 0 && isBlocked(nx , y , z ) && !isBlocked(nx + dx, y , z))
|| (dy != 0 && isBlocked(x , ny , z) && !isBlocked(x , ny+dy , z))
- || (dz != 0 && isBlocked(x , y , nz ) && !isBlocked(x , y , nz+dz))) return addNode(parent, openNode(nx,ny,nz), true);
- Node co_parent = openNode(nx,ny,nz);
- addNode(parent, co_parent,false);
- if (dx != 0) expand(nx, ny, nz, dx, 0,0, co_parent);
- if (dy != 0) expand(nx, ny, nz, 0, dy,0, co_parent);
- if (dz != 0) expand(nx, ny, nz, 0, 0,dz, co_parent);
+ || (dz != 0 && isBlocked(x , y , nz ) && !isBlocked(x , y , nz+dz))) return openNode(nx,ny,nz);
+ if (dx != 0 && expand(nx, ny, nz, dx, 0,0) != null) return openNode(nx,ny,nz);
+ if (dy != 0 && expand(nx, ny, nz, 0, dy,0) != null) return openNode(nx,ny,nz);
+ if (dz != 0 && expand(nx, ny, nz, 0, 0,dz) != null) return openNode(nx,ny,nz);
} else if (determinant == 3) {
- if (isBlocked(x, ny, nz ) || isBlocked(nx, y , nz) || isBlocked(nx, ny, z)) return addNode(parent, openNode(nx,ny,nz), true);
- Node co_parent = openNode(nx,ny,nz);
- addNode(parent, co_parent,false);
- expand(nx, ny, nz, dx, 0, 0, co_parent);
- expand(nx, ny, nz, dx, dy, 0, co_parent);
- expand(nx, ny, nz, dx, 0, dz, co_parent);
- expand(nx, ny, nz, 0, dy, 0, co_parent);
- expand(nx, ny, nz, 0, dy, dz, co_parent);
- expand(nx, ny, nz, 0, 0, dz, co_parent);
+ if (isBlocked(x, ny, nz ) || isBlocked(nx, y , nz) || isBlocked(nx, ny, z)) return openNode(nx,ny,nz);
+ if (expand(nx, ny, nz, dx, 0, 0) != null ||
+ expand(nx, ny, nz, dx, dy, 0) != null ||
+ expand(nx, ny, nz, dx, 0, dz) != null ||
+ expand(nx, ny, nz, 0, dy, 0) != null ||
+ expand(nx, ny, nz, 0, dy, dz) != null ||
+ expand(nx, ny, nz, 0, 0, dz) != null) return openNode(nx,ny,nz);
}
x = nx; y = ny; z = nz;
}