egordorichev/LastTry

package org.egordorichev.lasttry.item.block;

import org.egordorichev.lasttry.Globals;
import org.egordorichev.lasttry.LastTry;
import org.egordorichev.lasttry.injection.CoreRegistry;
import org.egordorichev.lasttry.injection.InjectionHelper;
import org.egordorichev.lasttry.item.Item;
import org.egordorichev.lasttry.item.ItemManager;

public class EvilBlock extends BlockGround {
    public EvilBlock(String id) {
        super(id);
    }

    /**
     * Returns if block can be infected
     *
     * @param id Block id
     * @return If block can be infected
     */
    public static boolean canBeInfected(String id) {
        return id.equals("lt:stone") || id.equals("lt:sand") || id.equals("lt:grass");
    }

    /**
     * Returns infected block for given block
     *
     * @param fromID Block, that is infecting
     * @param id Block, that is being infected
     * @return Infected block ID
     */
    public static String getInfectIDFor(String fromID, String id) {
        if (EvilBlock.isCrimsonBlock(fromID)) {
            switch (id) {
                case "lt:stone": return "lt:crimstone";
                case "lt:sand": return "lt:crimsand";
                case "lt:ice": return "lt:red_ice";
            }
        } else {
            switch (id) {
                case "lt:stone": return "lt:ebonstone";
                case "lt:sand": return "lt:ebonsand";
                case "lt:ice": return "lt:purple_ice";
            }
        }

        return id;
    }

    /**
     * Returns if block belongs to crimson
     *
     * @param id Block ID
     * @return If block belongs to crimson
     */
    public static boolean isCrimsonBlock(String id) {
        switch (id) {
            case "lt:crimstone":
            case "lt:crimsand":
            case "lt:red_ice":
                return true;
            default:
                return false;
        }
    }

    @Override
    public void updateBlock(int x, int y) {
        int nx = x - 3 + LastTry.random.nextInt(7);
        int ny = y - 3 + LastTry.random.nextInt(7);

        if (nx == x && ny == y) {
            return;
        }

        Block block = (Block) CoreRegistry.get(ItemManager.class).getItem(Globals.getWorld().blocks.getID(nx, ny));

        if (block != null && EvilBlock.canBeInfected(block.getID())) {
            Globals.getWorld().blocks.set(EvilBlock.getInfectIDFor(this.id, block.getID()), nx, ny);
        }
    }
}