game.level.entities.mobs.player.items.EquipableItem.java Source code

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Here is the source code for game.level.entities.mobs.player.items.EquipableItem.java

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/*******************************************************************************
 * Copyright (c) 2013 Glynn Taylor.
 * All rights reserved. This program and the accompanying materials, 
 * (excluding imported libraries, such as LWJGL and Slick2D)
 * are made available under the terms of the GNU Public License
 * which accompanies this distribution, and is available at
 * http://www.gnu.org/licenses/gpl.html
 * 
 * Contributors:
 *     Glynn Taylor - initial API and implementation
 ******************************************************************************/
/*
 * Abstract base class for any item that can be equipped.
 */
package game.level.entities.mobs.player.items;

import game.level.entities.mobs.Player;
import game.level.entities.mobs.Stats;
import game.level.entities.mobs.player.Inventory;
import game.level.entities.pickup.Pickup;
import game.resources.GraphicsHandler.ItemArt;

import org.lwjgl.opengl.GL11;

public abstract class EquipableItem extends InventoryItem {
    private static final long serialVersionUID = -4502848954432625618L;
    protected String Name = "Equipable";
    protected int Slot = -1;
    protected int[] SecondaryModifiers = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
    protected static float TEXTURE_QUAD_XLENGTH, TEXTURE_QUAD_YLENGTH;
    protected boolean Equipped;
    protected Stats statRef;

    public EquipableItem() {

        TEXTURE_QUAD_XLENGTH = 16f / ItemArt.Equipables.getTextureWidth();
        TEXTURE_QUAD_YLENGTH = 16f / ItemArt.Equipables.getTextureHeight();

        Equipable = true;
        SetModifiers();
    }

    @Override
    public void Render(int ScreenX, int ScreenY) {

        ItemArt.Equipables.bind();
        GL11.glBegin(GL11.GL_QUADS);

        GL11.glTexCoord2f(TEXTURE_QUAD_XLENGTH * XTextureRef, TEXTURE_QUAD_YLENGTH * YTextureRef);
        GL11.glVertex3f(ScreenX, ScreenY, 0);

        GL11.glTexCoord2f(TEXTURE_QUAD_XLENGTH * XTextureRef, TEXTURE_QUAD_YLENGTH * (YTextureRef + 1));
        GL11.glVertex3f(ScreenX, ScreenY + IconWidth, 0);

        GL11.glTexCoord2f(TEXTURE_QUAD_XLENGTH * (XTextureRef + 1), TEXTURE_QUAD_YLENGTH * (YTextureRef + 1));
        GL11.glVertex3f(ScreenX + IconWidth, ScreenY + IconWidth, 0);

        GL11.glTexCoord2f(TEXTURE_QUAD_XLENGTH * (XTextureRef + 1), TEXTURE_QUAD_YLENGTH * YTextureRef);
        GL11.glVertex3f(ScreenX + IconWidth, ScreenY, 0);

        GL11.glEnd();
    }

    @Override
    public boolean UseItem(Player p, Inventory i) {
        if (getSlot() >= 0) {
            i.EquipItem(getSlot(), this);

            Equip(p.GetStats());
        } else {
            System.out.println("ERROR: SLOT NOT SET ON THIS ITEM!");
        }
        return false;
    }

    protected void Equip(Stats s) {
        if (!isEquipped()) {

            s.AddSecondaryModifier(SecondaryModifiers, 1);
            statRef = s;
            setEquipped(true);
        }

    }

    public void UnEquip() {
        if (isEquipped()) {

            statRef.AddSecondaryModifier(SecondaryModifiers, -1);
            statRef = null;
            setEquipped(false);
        }
    }

    @Override
    protected Pickup DropItem() {
        if (isEquipped())
            UnEquip();
        return DropSpecificItem();
    }

    protected abstract Pickup DropSpecificItem();

    protected abstract void SetModifiers();

    @Override
    public String getName() {
        return Name;

    }

    /**
     * @return the slot
     */
    public int getSlot() {
        return Slot;
    }

    /**
     * @return the equipped
     */
    public boolean isEquipped() {
        return Equipped;
    }

    /**
     * @param equipped
     *            the equipped to set
     */
    protected void setEquipped(boolean equipped) {
        Equipped = equipped;
    }

}