/*
* Copyright 2016 MovingBlocks
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.terasology.rendering.nui.layers.hud;
import org.terasology.entitySystem.entity.EntityRef;
import org.terasology.input.MouseInput;
import org.terasology.logic.characters.CharacterComponent;
import org.terasology.logic.inventory.InventoryUtils;
import org.terasology.logic.inventory.events.DropItemRequest;
import org.terasology.logic.players.LocalPlayer;
import org.terasology.math.geom.Vector3f;
import org.terasology.registry.In;
import org.terasology.rendering.nui.BaseInteractionListener;
import org.terasology.rendering.nui.Canvas;
import org.terasology.rendering.nui.InteractionListener;
import org.terasology.rendering.nui.events.NUIMouseClickEvent;
/**
* A region/layer around the inventory grid to allow players to get rid of extra items
* and have free inventory slots by dropping them onto this layer.
*/
public class DropItemRegion extends CoreHudWidget {
@In
private LocalPlayer localPlayer;
private InteractionListener interactionListener = new BaseInteractionListener() {
@Override
public boolean onMouseClick(NUIMouseClickEvent event) {
MouseInput mouseButton = event.getMouseButton();
if (mouseButton == MouseInput.MOUSE_LEFT || mouseButton == MouseInput.MOUSE_RIGHT) {
EntityRef playerEntity = localPlayer.getCharacterEntity();
EntityRef movingItem = playerEntity.getComponent(CharacterComponent.class).movingItem;
EntityRef item = InventoryUtils.getItemAt(movingItem, 0);
if (!item.exists()) {
return true;
}
int count = 1;
if (mouseButton == MouseInput.MOUSE_LEFT) {
count = InventoryUtils.getStackCount(item); //Drop complete stack with left click
}
Vector3f position = localPlayer.getViewPosition();
Vector3f direction = localPlayer.getViewDirection();
Vector3f newPosition = new Vector3f(position.x + direction.x * 1.5f,
position.y + direction.y * 1.5f,
position.z + direction.z * 1.5f
);
//send DropItemRequest
Vector3f impulseVector = new Vector3f(direction);
playerEntity.send(new DropItemRequest(item, playerEntity,
impulseVector,
newPosition,
count));
return true;
}
return false;
}
};
@Override
public void initialise() {
}
@Override
public void onDraw(Canvas canvas) {
super.onDraw(canvas);
canvas.addInteractionRegion(interactionListener);
}
}