pathfinder go brrrr

1 files changed, 55 insertions, 0 deletions

diff --git a/src/main/java/kr/syeyoung/dungeonsguide/pathfinding/NodeProcessorDungeonRoom.java b/src/main/java/kr/syeyoung/dungeonsguide/pathfinding/NodeProcessorDungeonRoom.java
new file mode 100644
index 00000000..e31b0f84
--- /dev/null
+++ b/src/main/java/kr/syeyoung/dungeonsguide/pathfinding/NodeProcessorDungeonRoom.java
@@ -0,0 +1,55 @@
+package kr.syeyoung.dungeonsguide.pathfinding;
+
+import kr.syeyoung.dungeonsguide.dungeon.roomfinder.DungeonRoom;
+import net.minecraft.block.state.BlockState;
+import net.minecraft.block.state.IBlockState;
+import net.minecraft.entity.Entity;
+import net.minecraft.init.Blocks;
+import net.minecraft.pathfinding.PathPoint;
+import net.minecraft.util.BlockPos;
+import net.minecraft.util.EnumFacing;
+import net.minecraft.util.Vec3i;
+import net.minecraft.world.pathfinder.NodeProcessor;
+
+public class NodeProcessorDungeonRoom extends NodeProcessor {
+    private DungeonRoom dungeonRoom;
+    private BlockPos sub;
+    public NodeProcessorDungeonRoom(DungeonRoom dungeonRoom) {
+        this.dungeonRoom = dungeonRoom;
+        sub = dungeonRoom.getMax().subtract(dungeonRoom.getMin());
+    }
+
+    @Override
+    public PathPoint getPathPointTo(Entity entityIn) {
+        return openPoint((int)entityIn.posX - dungeonRoom.getMin().getX(), (int)entityIn.posY - dungeonRoom.getMin().getY(),
+                (int)entityIn.posZ - dungeonRoom.getMin().getZ());
+    }
+
+    @Override
+    public PathPoint getPathPointToCoords(Entity entityIn, double x, double y, double z) {
+        return openPoint((int)x- dungeonRoom.getMin().getX(), (int)y - dungeonRoom.getMin().getY(),
+                (int)z - dungeonRoom.getMin().getZ());
+    }
+
+    @Override
+    public int findPathOptions(PathPoint[] pathOptions, Entity entityIn, PathPoint currentPoint, PathPoint targetPoint, float maxDistance) {
+
+        int i = 0;
+        for (EnumFacing ef:EnumFacing.VALUES) {
+            Vec3i dir = ef.getDirectionVec();
+            int newX = currentPoint.xCoord + dir.getX();
+            int newY = currentPoint.yCoord + dir.getY();
+            int newZ = currentPoint.zCoord + dir.getZ();
+            if (newX < 0 || newZ < 0) continue;
+            if (newX > sub.getX()|| newZ > sub.getZ()) continue;
+            IBlockState state = entityIn.getEntityWorld().getBlockState(dungeonRoom.getMin().add(newX, newY, newZ));
+            if (state.getBlock() == Blocks.air || state.getBlock() == Blocks.water || state.getBlock() == Blocks.lava
+            || state.getBlock() == Blocks.flowing_water || state.getBlock() == Blocks.flowing_lava) {
+                PathPoint pt = openPoint(newX, newY, newZ);
+                if (pt.visited) continue;
+                pathOptions[i++] = pt;
+            }
+        }
+        return i;
+    }
+}