Create files from Grasscutter-Quests

these files are NOT directly compatible with Grasscutter, and require additional modifications to the codebase to work.

src/main/java/emu/grasscutter/utils/GridPosition.java

@@ -0,0 +1,118 @@
+package emu.grasscutter.utils;
+
+import java.io.IOException;
+import java.io.Serializable;
+import java.util.List;
+
+import dev.morphia.annotations.Entity;
+import lombok.Getter;
+import lombok.Setter;
+
+@Entity
+public class GridPosition implements Serializable {
+    private static final long serialVersionUID = -2001232300615923575L;
+
+    @Getter @Setter private int x;
+
+    @Getter @Setter private int z;
+
+    @Getter @Setter private int width;
+
+    public GridPosition() {}
+
+    public GridPosition(int x, int y, int width) {
+        set(x, y, width);
+    }
+
+    public GridPosition(GridPosition pos) {
+        this.set(pos);
+    }
+
+    public GridPosition(Position pos, int width) {
+        this.set((int)(pos.getX() / width), (int)(pos.getZ() / width), width);
+    }
+
+    public GridPosition(List<Integer> xzwidth) {
+        this.width = xzwidth.get(2);
+        this.z = xzwidth.get(1);
+        this.x = xzwidth.get(0);
+    }
+
+    public GridPosition(String str) throws IOException {
+        String[] listOfParams = str.replace(" ", "").replace("(", "").replace(")", "").split(",");
+        if(listOfParams.length != 3)
+            throw new IOException("invalid size on GridPosition definition - ");
+        try {
+            this.x = Integer.parseInt(listOfParams[0]);
+            this.z = Integer.parseInt(listOfParams[1]);
+            this.width = Integer.parseInt(listOfParams[2]);
+        } catch(NumberFormatException ignored) {
+            throw new IOException("invalid number on GridPosition definition - ");
+        }
+    }
+
+    public GridPosition set(int x, int z) {
+        this.x = x;
+        this.z = z;
+        return this;
+    }
+
+    public GridPosition set(int x, int z, int width) {
+        this.x = x;
+        this.z = z;
+        this.width = width;
+        return this;
+    }
+
+    // Deep copy
+    public GridPosition set(GridPosition pos) {
+        return this.set(pos.getX(), pos.getZ(), pos.getWidth());
+    }
+
+    public GridPosition addClone(int x, int z) {
+        GridPosition pos = clone();
+        pos.x += x;
+        pos.z += z;
+        return pos;
+    }
+
+    @Override
+    public GridPosition clone() {
+        return new GridPosition(x, z, width);
+    }
+
+    @Override
+    public String toString() {
+        return "(" + this.getX() + ", " + this.getZ() + ", " + this.getWidth() + ")";
+    }
+
+    public int[] toIntArray() {
+        return new int[]{ x, z, width };
+    }
+
+    public int[] toXZIntArray() {
+        return new int[]{ x, z };
+    }
+
+    @Override
+    public int hashCode()
+    {
+        int result = (int) (x ^ (x >>> 32));
+        result = 31 * result + (int) (z ^ (z >>> 32));
+        result = 31 * result + (int) (width ^ (width >>> 32));
+        return result;
+    }
+
+    @Override
+    public boolean equals(Object o) {
+        if (this == o)
+            return true;
+        if (o == null)
+            return false;
+        if (getClass() != o.getClass())
+            return false;
+        GridPosition pos = (GridPosition) o;
+        // field comparison
+        return pos.x == x && pos.z == z && pos.width == width;
+    }
+}