/*******************************************************************************
* Copyright 2011 See AUTHORS file.
*
* 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 com.badlogic.gdx.tests.g3d;
import com.badlogic.gdx.Gdx;
import com.badlogic.gdx.InputMultiplexer;
import com.badlogic.gdx.math.MathUtils;
import com.badlogic.gdx.math.Matrix4;
import com.badlogic.gdx.math.Vector3;
import com.badlogic.gdx.scenes.scene2d.Actor;
import com.badlogic.gdx.scenes.scene2d.InputEvent;
import com.badlogic.gdx.scenes.scene2d.Stage;
import com.badlogic.gdx.scenes.scene2d.ui.CheckBox;
import com.badlogic.gdx.scenes.scene2d.ui.Label;
import com.badlogic.gdx.scenes.scene2d.ui.List;
import com.badlogic.gdx.scenes.scene2d.ui.ScrollPane;
import com.badlogic.gdx.scenes.scene2d.ui.Skin;
import com.badlogic.gdx.scenes.scene2d.ui.Window;
import com.badlogic.gdx.scenes.scene2d.utils.ChangeListener;
import com.badlogic.gdx.scenes.scene2d.utils.ClickListener;
import com.badlogic.gdx.utils.Scaling;
import com.badlogic.gdx.utils.StringBuilder;
import com.badlogic.gdx.utils.viewport.ScalingViewport;
public abstract class BaseG3dHudTest extends BaseG3dTest {
public final static int PREF_HUDWIDTH = 640;
public final static int PREF_HUDHEIGHT = 480;
public final static float rotationSpeed = 0.02f * 360f; // degrees per second
public final static float moveSpeed = 0.25f; // cycles per second
protected Stage hud;
protected float hudWidth, hudHeight;
protected Skin skin;
protected Label fpsLabel;
protected CollapsableWindow modelsWindow;
protected CheckBox gridCheckBox, rotateCheckBox, moveCheckBox;
protected final StringBuilder stringBuilder = new StringBuilder();
protected final Matrix4 transform = new Matrix4();
protected float moveRadius = 2f;
protected String models[] = new String[] {"car.obj", "cube.obj", "scene.obj", "scene2.obj", "wheel.obj", "g3d/invaders.g3dj",
"g3d/head.g3db", "g3d/knight.g3dj", "g3d/knight.g3db", "g3d/monkey.g3db", "g3d/ship.obj", "g3d/shapes/cube_1.0x1.0.g3dj",
"g3d/shapes/cube_1.5x1.5.g3dj", "g3d/shapes/sphere.g3dj", "g3d/shapes/teapot.g3dj", "g3d/shapes/torus.g3dj"};
@Override
public void create () {
super.create();
createHUD();
Gdx.input.setInputProcessor(new InputMultiplexer(hud, this, inputController));
}
protected void createHUD () {
hud = new Stage(new ScalingViewport(Scaling.fit, PREF_HUDWIDTH, PREF_HUDHEIGHT));
hudWidth = hud.getWidth();
hudHeight = hud.getHeight();
skin = new Skin(Gdx.files.internal("data/uiskin.json"));
final List<String> modelsList = new List(skin);
modelsList.setItems(models);
modelsList.addListener(new ClickListener() {
@Override
public void clicked (InputEvent event, float x, float y) {
if (!modelsWindow.isCollapsed() && getTapCount() == 2) {
onModelClicked(modelsList.getSelected());
modelsWindow.collapse();
}
}
});
modelsWindow = addListWindow("Models", modelsList, 0, -1);
fpsLabel = new Label("FPS: 999", skin);
hud.addActor(fpsLabel);
gridCheckBox = new CheckBox("Show grid", skin);
gridCheckBox.setChecked(showAxes);
gridCheckBox.addListener(new ChangeListener() {
@Override
public void changed (ChangeEvent event, Actor actor) {
showAxes = gridCheckBox.isChecked();
}
});
gridCheckBox.setPosition(hudWidth - gridCheckBox.getWidth(), 0);
hud.addActor(gridCheckBox);
rotateCheckBox = new CheckBox("Rotate", skin);
rotateCheckBox.setChecked(true);
rotateCheckBox.setPosition(hudWidth - rotateCheckBox.getWidth(), gridCheckBox.getHeight());
hud.addActor(rotateCheckBox);
moveCheckBox = new CheckBox("Move", skin);
moveCheckBox.setChecked(false);
moveCheckBox.setPosition(hudWidth - moveCheckBox.getWidth(), rotateCheckBox.getTop());
hud.addActor(moveCheckBox);
}
protected CollapsableWindow addListWindow (String title, List list, float x, float y) {
CollapsableWindow window = new CollapsableWindow(title, skin);
window.row();
ScrollPane pane = new ScrollPane(list, skin);
pane.setFadeScrollBars(false);
window.add(pane);
window.pack();
window.pack();
if (window.getHeight() > hudHeight) {
window.setHeight(hudHeight);
}
window.setX(x < 0 ? hudWidth - (window.getWidth() - (x + 1)) : x);
window.setY(y < 0 ? hudHeight - (window.getHeight() - (y + 1)) : y);
window.layout();
window.collapse();
hud.addActor(window);
pane.setScrollX(0);
pane.setScrollY(0);
return window;
}
protected abstract void onModelClicked (final String name);
protected void getStatus (final StringBuilder stringBuilder) {
stringBuilder.append("FPS: ").append(Gdx.graphics.getFramesPerSecond());
if (loading) stringBuilder.append(" loading...");
}
protected float rotation, movement;
@Override
public void render () {
transform.idt();
if (rotateCheckBox.isChecked())
transform.rotate(Vector3.Y, rotation = (rotation + rotationSpeed * Gdx.graphics.getRawDeltaTime()) % 360);
if (moveCheckBox.isChecked()) {
movement = (movement + moveSpeed * Gdx.graphics.getRawDeltaTime()) % 1f;
final float sm = MathUtils.sin(movement * MathUtils.PI2);
final float cm = MathUtils.cos(movement * MathUtils.PI2);
transform.trn(0, moveRadius * cm, moveRadius * sm);
}
super.render();
stringBuilder.setLength(0);
getStatus(stringBuilder);
fpsLabel.setText(stringBuilder);
hud.act(Gdx.graphics.getDeltaTime());
hud.draw();
}
@Override
public void resize (int width, int height) {
super.resize(width, height);
hud.getViewport().update(width, height, true);
hudWidth = hud.getWidth();
hudHeight = hud.getHeight();
}
@Override
public void dispose () {
super.dispose();
skin.dispose();
skin = null;
}
/** Double click title to expand/collapse */
public static class CollapsableWindow extends Window {
private boolean collapsed;
private float collapseHeight = 20f;
private float expandHeight;
public CollapsableWindow (String title, Skin skin) {
super(title, skin);
addListener(new ClickListener() {
@Override
public void clicked (InputEvent event, float x, float y) {
if (getTapCount() == 2 && getHeight() - y <= getPadTop() && y < getHeight() && x > 0 && x < getWidth())
toggleCollapsed();
}
});
}
public void expand () {
if (!collapsed) return;
setHeight(expandHeight);
setY(getY() - expandHeight + collapseHeight);
collapsed = false;
}
public void collapse () {
if (collapsed) return;
expandHeight = getHeight();
setHeight(collapseHeight);
setY(getY() + expandHeight - collapseHeight);
collapsed = true;
if (getStage() != null) getStage().setScrollFocus(null);
}
public void toggleCollapsed () {
if (collapsed)
expand();
else
collapse();
}
public boolean isCollapsed () {
return collapsed;
}
}
}