aboutsummaryrefslogtreecommitdiff
path: root/src/main/java/kr/syeyoung/dungeonsguide/pathfinding/JPSPathfinder.java
diff options
context:
space:
mode:
Diffstat (limited to 'src/main/java/kr/syeyoung/dungeonsguide/pathfinding/JPSPathfinder.java')
-rw-r--r--src/main/java/kr/syeyoung/dungeonsguide/pathfinding/JPSPathfinder.java311
1 files changed, 0 insertions, 311 deletions
diff --git a/src/main/java/kr/syeyoung/dungeonsguide/pathfinding/JPSPathfinder.java b/src/main/java/kr/syeyoung/dungeonsguide/pathfinding/JPSPathfinder.java
deleted file mode 100644
index 5d48ccb2..00000000
--- a/src/main/java/kr/syeyoung/dungeonsguide/pathfinding/JPSPathfinder.java
+++ /dev/null
@@ -1,311 +0,0 @@
-/*
- * Dungeons Guide - The most intelligent Hypixel Skyblock Dungeons Mod
- * Copyright (C) 2021 cyoung06
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as published
- * by the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <https://www.gnu.org/licenses/>.
- */
-
-package kr.syeyoung.dungeonsguide.pathfinding;
-
-import kr.syeyoung.dungeonsguide.dungeon.roomfinder.DungeonRoom;
-import lombok.Data;
-import lombok.EqualsAndHashCode;
-import lombok.Getter;
-import lombok.RequiredArgsConstructor;
-import net.minecraft.block.Block;
-import net.minecraft.block.state.IBlockState;
-import net.minecraft.init.Blocks;
-import net.minecraft.util.*;
-import net.minecraft.world.ChunkCache;
-import net.minecraft.world.World;
-
-import java.lang.reflect.Proxy;
-import java.util.*;
-
-public class JPSPathfinder {
- private final BlockPos min, max;
- private final World world;
-
- private Vec3 start;
- private Vec3 destination;
- private DungeonRoom dungeonRoom;
-
- @Getter
- private AxisAlignedBB destinationBB;
-
- public JPSPathfinder(DungeonRoom dungeonRoom){
- this.min = new BlockPos(dungeonRoom.getMinx(), 0, dungeonRoom.getMinz());
- this.max = new BlockPos(dungeonRoom.getMaxx(), 255, dungeonRoom.getMaxz());
-
- this.world = dungeonRoom.getCachedWorld();
- this.dungeonRoom = dungeonRoom;
- }
-
- private IntHashMap<Node> nodeMap = new IntHashMap();
-
- private Node openNode(int x, int y, int z)
- {
- int i = Node.makeHash(x, y, z);
- Node node = this.nodeMap.lookup(i);
-
- if (node == null)
- {
- node = new Node(x, y, z);
- this.nodeMap.addKey(i, node);
- }
-
- return node;
- }
-
- @Getter
- private LinkedList<Vec3> route = new LinkedList<>();
-
- @Getter
- private PriorityQueue<Node> open = new PriorityQueue<>(Comparator.comparing((Node a) -> a == null ? Float.MAX_VALUE : a.f).thenComparing(a -> a == null ? Float.MAX_VALUE : a.x).thenComparing(a -> a == null ? Float.MAX_VALUE : a.y).thenComparing(a -> a == null ? Float.MAX_VALUE : a.z));
-
- private int tx, ty, tz;
-
- private Node addNode(Node parent, Node jumpPt, boolean addToOpen) {
- float ng = parent.g + distSq(jumpPt.x - parent.x, jumpPt.y - parent.y, jumpPt.z - parent.z);
-
- if (ng < jumpPt.g) {
- if (addToOpen)
- open.remove(jumpPt);
- jumpPt.g = ng;
- jumpPt.h = jumpPt.h == -1 ? distSq(tx - jumpPt.x, ty - jumpPt.y, tz - jumpPt.z) : jumpPt.h;
- jumpPt.f = jumpPt.h + jumpPt.g;
- jumpPt.parent = parent;
- if (addToOpen)
- open.add(jumpPt);
- }
- return jumpPt;
- }
-
-
- long arr[];
-
- public boolean pathfind(Vec3 from, Vec3 to, float within, long timeout) {
- route.clear(); nodeMap.clearMap();
-
- {
- from = new Vec3(((int)(from.xCoord * 2)) / 2.0, ((int)(from.yCoord * 2)) / 2.0, ((int)(from.zCoord* 2)) / 2.0);
- to = new Vec3(((int)(to.xCoord * 2)) / 2.0, ((int)(to.yCoord * 2)) / 2.0, ((int)(to.zCoord* 2)) / 2.0);
- }
-
- this.start = from; this.destination = to;
- tx = (int)(to.xCoord * 2);
- ty = (int)(to.yCoord * 2);
- tz = (int)(to.zCoord * 2);
-
- destinationBB = AxisAlignedBB.fromBounds((to.xCoord - within)* 2, (to.yCoord - within) * 2, (to.zCoord - within) * 2, (to.xCoord + within) * 2, (to.yCoord + within)* 2, (to.zCoord + within) *2);
- open.clear();
- Node start;
- open.add(start = openNode((int)from.xCoord * 2 + 1, (int)from.yCoord * 2, (int)from.zCoord * 2+1));
- start.g = 0; start.f = 0; start.h = (float) from.squareDistanceTo(to);
-
- Node end = null; float minDist = Float.MAX_VALUE;
- long forceEnd = System.currentTimeMillis() + timeout + 999999999L;
- while(!open.isEmpty()) {
- if (forceEnd < System.currentTimeMillis() && timeout != -1) break;
- Node n = open.poll();
- n.closed= true;
- if (minDist > n.h) {
- minDist = n.h;
- end = n;
- }
- if (n.x > destinationBB.minX && n.x < destinationBB.maxX && n.y > destinationBB.minY && n.y < destinationBB.maxY && n.z > destinationBB.minZ && n.z < destinationBB.maxZ) {
- break;
- }
-
- for (Node neighbor : getNeighbors(n.parent == null ? n : n.parent, 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);
- }
- }
-
- if (end == null) return false;
- Node p = end;
- while (p != null) {
- route.addLast(new Vec3(p.x / 2.0f, p.y / 2.0f + 0.1, p.z / 2.0f));
- p = p.parent;
- }
-
-
- return true;
- }
-
- private float distSq(float x, float y, float z) {
- return MathHelper.sqrt_float(x * x + y * y + z * z);
- }
-
- public Set<Node> getNeighbors(Node prevN, Node n) {
-// if (true) throw new RuntimeException("ah");
- int dx = MathHelper.clamp_int(n.x - prevN.x, -1, 1);
- int dy = MathHelper.clamp_int(n.y - prevN.y, -1, 1);
- int dz = MathHelper.clamp_int(n.z - prevN.z, -1, 1);
- int x = n.x, y = n.y, z = n.z;
- int nx = n.x + dx, ny = n.y + dy, nz = n.z + dz;
-
- Set<Node> nexts = new HashSet<>();
- int determinant = Math.abs(dx) + Math.abs(dy) + Math.abs(dz);
- if (determinant == 0) {
- for (int i = -1; i <= 1; i++)
- for (int j = -1; j <= 1; j++)
- for (int k = -1; k <= 1; k++) {
- if (i == 0 && j == 0 && k == 0) continue;
- nexts.add(openNode(x+i, y+j, z+k));
- }
- } else if (determinant == 1) {
- nexts.add(openNode(nx,ny,nz));
- for (int i = -1; i<=1; i++) {
- for (int j = - 1; j<=1; j++) {
- if (i == 0 && j == 0) continue;
- if (dx != 0 && dungeonRoom.isBlocked(x, y + i, z + j)) nexts.add(openNode(nx,y+i,z+j));
- if (dy != 0 && dungeonRoom.isBlocked(x + i, y, z + j)) nexts.add(openNode(x+i,ny,z+j));
- if (dz != 0 && dungeonRoom.isBlocked(x + i, y + j, z)) nexts.add(openNode(x+i,y+j,nz));
- }
- }
- } else if (determinant == 2) {
- if (dz != 0) nexts.add(openNode(x,y,nz));
- if (dy != 0) nexts.add(openNode(x,ny,z));
- if (dx != 0) nexts.add(openNode(nx,y,z));
- nexts.add(openNode(nx,ny,nz));
- if (dx == 0) {
- if (dungeonRoom.isBlocked(x, y, z-dz)) {
- nexts.add(openNode(x, ny, z-dz));
- if (dungeonRoom.isBlocked(x+1, y, z-dz)) nexts.add(openNode(x+1, ny, z-dz));
- if (dungeonRoom.isBlocked(x-1, y, z-dz)) nexts.add(openNode(x-1, ny, z-dz));
- }
- if (dungeonRoom.isBlocked(x, y-dy, z)) {
- nexts.add(openNode(x, y-dy, nz));
- if (dungeonRoom.isBlocked(x+1, y-dy, z)) nexts.add(openNode(x+1, y-dy, nz));
- if (dungeonRoom.isBlocked(x-1, y-dy, z)) nexts.add(openNode(x+1, y-dy, nz));
- }
- } else if (dy == 0) {
- if (dungeonRoom.isBlocked(x, y, z-dz)) {
- nexts.add(openNode(nx, y, z-dz));
- if (dungeonRoom.isBlocked(x, y+1, z-dz)) nexts.add(openNode(nx, y+1, z-dz));
- if (dungeonRoom.isBlocked(x, y-1, z-dz)) nexts.add(openNode(nx, y-1, z-dz));
- }
- if (dungeonRoom.isBlocked(x-dx, y, z)) {
- nexts.add(openNode(x-dx, y, nz));
- if (dungeonRoom.isBlocked(x-dx, y+1, z)) nexts.add(openNode(x-dx, y+1, nz));
- if (dungeonRoom.isBlocked(x-dx, y-1, z)) nexts.add(openNode(x-dx, y-1, nz));
- }
- } else if (dz == 0) {
- if (dungeonRoom.isBlocked(x, y-dy, z)) {
- nexts.add(openNode(nx, y-dy, z));
- if (dungeonRoom.isBlocked(x, y-dy, z+1)) nexts.add(openNode(nx, y-dy, z+1));
- if (dungeonRoom.isBlocked(x, y-dy, z-1)) nexts.add(openNode(nx, y-dy, z-1));
- }
- if (dungeonRoom.isBlocked(x-dx, y, z)) {
- nexts.add(openNode(x-dx, ny, z));
- if (dungeonRoom.isBlocked(x-dx, y, z+1)) nexts.add(openNode(x-dx, ny, z+1));
- if (dungeonRoom.isBlocked(x-dx, y, z-1)) nexts.add(openNode(x-dx, ny, z-1));
- }
- }
- } else if (determinant == 3) {
- nexts.add(openNode(x,y,nz));
- nexts.add(openNode(x,ny,z));
- nexts.add(openNode(nx,y,z));
- nexts.add(openNode(nx,y,nz));
- nexts.add(openNode(x,ny,nz));
- nexts.add(openNode(nx,ny,z));
- nexts.add(openNode(nx,ny,nz));
-
- if (dungeonRoom.isBlocked(x,y,z-dz)) {
- nexts.add(openNode(x,ny,z-dz));
- nexts.add(openNode(nx,ny,z-dz));
- nexts.add(openNode(nx,y,z-dz));
- }
- if (dungeonRoom.isBlocked(x-dx,y,z)) {
- nexts.add(openNode(x-dx,ny,nz));
- nexts.add(openNode(x-dx,ny,z));
- nexts.add(openNode(x-dx,y,nz));
- }
- if (dungeonRoom.isBlocked(x,y-dy,z)) {
- nexts.add(openNode(x,y-dy,nz));
- nexts.add(openNode(nx,y-dy,z));
- nexts.add(openNode(nx,y-dy,nz));
- }
- }
- return nexts;
- }
-
- 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 (dungeonRoom.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 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 && dungeonRoom.isBlocked(nx, ny + i, nz + j) && !dungeonRoom.isBlocked(nx+dx, ny + i, nz + j)) return openNode(nx,ny,nz);
- if (dy != 0 && dungeonRoom.isBlocked(nx + i, ny, nz + j) && !dungeonRoom.isBlocked(nx + i, ny+dy, nz + j)) return openNode(nx,ny,nz);
- if (dz != 0 && dungeonRoom.isBlocked(nx + i, ny + j , nz) && !dungeonRoom.isBlocked(nx + i, ny + j , nz+dz)) return openNode(nx,ny,nz);
- }
- }
- } else if (determinant == 2) {
- for (EnumFacing value : EnumFacing.VALUES) {
- if (value.getFrontOffsetX() == dx || value.getFrontOffsetY() == dy || value.getFrontOffsetZ() == dz) continue;
- int tx = nx + value.getFrontOffsetX();
- int ty = ny + value.getFrontOffsetY();
- int tz = nz + value.getFrontOffsetZ();
- if (dungeonRoom.isBlocked(tx, ty, tz)) 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 (dungeonRoom.isBlocked(x, ny, nz ) || dungeonRoom.isBlocked(nx, y , nz) || dungeonRoom.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;
- }
- }
-
- @RequiredArgsConstructor
- @Data
- public static final class Node {
- private final int x, y, z;
-
- private float f, g = Float.MAX_VALUE, h = -1;
- private boolean closed;
-
- @EqualsAndHashCode.Exclude
- private Node parent;
-
- public static int makeHash(int x, int y, int z)
- {
- return y & 255 | (x & 32767) << 8 | (z & 32767) << 24 | (x < 0 ? Integer.MIN_VALUE : 0) | (z < 0 ? 32768 : 0);
- }
-
- public Node close() {
- this.closed = true;
- return this;
- }
-
- }
-}