ChunkedMapPos.java

package com.virtual_hex.gdx.engine.maps;

import com.badlogic.gdx.math.Vector2;
import com.badlogic.gdx.utils.viewport.Viewport;

/**
 * Screen x,y - Screen coordinates
 * World x,y - World coordinates
 * World Pos x,y - Specific map point - (world x / (texture-width/height))
 * Chunk x,y - Chunk coordinates
 * Chunk Pos x,y - Local Chunk Coordinates
 */
public class ChunkedMapPos {

    public Vector2 temp;
    // Changed since last frame?


    public float screenX;
    public float screenY;
    public float worldX;
    public float worldY;
    public int worldPosX;
    public int worldPosY;
    public int chunkX;
    public int chunkY;
    public int chunkPosX;
    public int chunkPosY;

    public ChunkedMapPos() {
        temp = new Vector2();
    }

    public ChunkedMapPos screenToAll(int screenX, int screenY, Viewport viewport, int chunkWidthInPoints, int chunkHeightInPoints, int tileWidth, int tileHeight){
        convertScreenToWorld(screenX, screenY, viewport);
        convertMapToPos(tileWidth, tileHeight);
        convertWorldToChunkPos(chunkWidthInPoints, chunkHeightInPoints);
        convertWorldToLocalChunkPos(chunkWidthInPoints, chunkHeightInPoints);
        return this;
    }

    public ChunkedMapPos worldToAll(int worldPosX, int worldPosY, int chunkWidthInPoints, int chunkHeightInPoints){
        this.worldPosX = worldPosX;
        this.worldPosY = worldPosY;
        convertWorldToChunkPos(chunkWidthInPoints, chunkHeightInPoints);
        convertWorldToLocalChunkPos(chunkWidthInPoints, chunkHeightInPoints);
        return this;
    }

    public ChunkedMapPos convertScreenToWorld(int screenX, int screenY, Viewport viewport) {
        this.screenX = screenX;
        this.screenY = screenY;
        temp.x = screenX;
        temp.y = screenY;
        Vector2 worldCoordinates = viewport.unproject(temp);
        worldX = worldCoordinates.x;
        worldY = worldCoordinates.y;
        return this;
    }

    public ChunkedMapPos convertMapToPos(int widthInPoints, int heightInPoints){
        worldPosX = (int) (worldX / widthInPoints);
        worldPosY = (int) (worldY / heightInPoints);
        return this;
    }

    public ChunkedMapPos convertWorldToChunkPos(int chunkWidthInPoints, int chunkHeightInPoints){
        chunkX = worldPosX / chunkWidthInPoints;
        chunkY = worldPosY / chunkHeightInPoints;
        return this;
    }

    public ChunkedMapPos convertWorldToLocalChunkPos(int chunkWidthInPoints, int chunkHeightInPoints){
        chunkPosX = (worldPosX % chunkWidthInPoints);
        chunkPosY = (worldPosY % chunkHeightInPoints);
        return this;
    }

    @Override
    public String toString() {
        return "ChunkedMapPos{" +
                "temp=" + temp +
                ", screenX=" + screenX +
                ", screenY=" + screenY +
                ", worldX=" + worldX +
                ", worldY=" + worldY +
                ", worldPosX=" + worldPosX +
                ", worldPosY=" + worldPosY +
                ", chunkX=" + chunkX +
                ", chunkY=" + chunkY +
                ", chunkPosX=" + chunkPosX +
                ", chunkPosY=" + chunkPosY +
                '}';
    }
}