/**
* Copyright (c) 2008-2012 Ardor Labs, Inc.
*
* This file is part of Ardor3D.
*
* Ardor3D is free software: you can redistribute it and/or modify it
* under the terms of its license which may be found in the accompanying
* LICENSE file or at <http://www.ardor3d.com/LICENSE>.
*/
package com.ardor3d.example.terrain;
import java.awt.Color;
import java.awt.Rectangle;
import java.awt.geom.Ellipse2D;
import java.io.IOException;
import java.util.concurrent.Callable;
import javax.imageio.ImageIO;
import com.ardor3d.example.ExampleBase;
import com.ardor3d.example.Purpose;
import com.ardor3d.extension.terrain.client.Terrain;
import com.ardor3d.extension.terrain.client.TerrainBuilder;
import com.ardor3d.extension.terrain.client.TerrainDataProvider;
import com.ardor3d.extension.terrain.client.TextureClipmap;
import com.ardor3d.extension.terrain.providers.awt.AbstractAwtElement;
import com.ardor3d.extension.terrain.providers.awt.AwtImageElement;
import com.ardor3d.extension.terrain.providers.awt.AwtShapeElement;
import com.ardor3d.extension.terrain.providers.awt.AwtTextureSource;
import com.ardor3d.extension.terrain.providers.procedural.ProceduralTerrainDataProvider;
import com.ardor3d.framework.Canvas;
import com.ardor3d.framework.CanvasRenderer;
import com.ardor3d.image.TextureStoreFormat;
import com.ardor3d.input.Key;
import com.ardor3d.input.logical.InputTrigger;
import com.ardor3d.input.logical.KeyPressedCondition;
import com.ardor3d.input.logical.TriggerAction;
import com.ardor3d.input.logical.TwoInputStates;
import com.ardor3d.light.DirectionalLight;
import com.ardor3d.math.ColorRGBA;
import com.ardor3d.math.MathUtils;
import com.ardor3d.math.Matrix3;
import com.ardor3d.math.Transform;
import com.ardor3d.math.Vector3;
import com.ardor3d.math.functions.FbmFunction3D;
import com.ardor3d.math.functions.Function3D;
import com.ardor3d.math.functions.Functions;
import com.ardor3d.renderer.Camera;
import com.ardor3d.renderer.RenderContext;
import com.ardor3d.renderer.Renderer;
import com.ardor3d.renderer.queue.RenderBucketType;
import com.ardor3d.renderer.state.CullState;
import com.ardor3d.renderer.state.FogState;
import com.ardor3d.renderer.state.FogState.DensityFunction;
import com.ardor3d.scenegraph.Node;
import com.ardor3d.scenegraph.hint.LightCombineMode;
import com.ardor3d.scenegraph.shape.Box;
import com.ardor3d.ui.text.BasicText;
import com.ardor3d.util.GameTaskQueue;
import com.ardor3d.util.GameTaskQueueManager;
import com.ardor3d.util.ReadOnlyTimer;
import com.ardor3d.util.resource.ResourceLocatorTool;
/**
* Example showing the Geometry Clipmap Terrain system with 'MegaTextures'. We merge AWT drawing with the terrain
* texture in real time. Requires GLSL support.
*/
@Purpose(htmlDescriptionKey = "com.ardor3d.example.terrain.ShapesPlusProceduralTerrainExample", //
thumbnailPath = "com/ardor3d/example/media/thumbnails/terrain_ShapesPlusProceduralTerrainExample.jpg", //
maxHeapMemory = 128)
public class ShapesPlusProceduralTerrainExample extends ExampleBase {
private boolean updateTerrain = true;
private final float farPlane = 8000.0f;
private final float heightScale = 200;
private Terrain terrain;
private boolean groundCamera = false;
private Camera terrainCamera;
Transform ovalTrans = new Transform();
/** Text fields used to present info about the example. */
private final BasicText _exampleInfo[] = new BasicText[5];
public static void main(final String[] args) {
ExampleBase.start(ShapesPlusProceduralTerrainExample.class);
}
private double counter = 0;
private int frames = 0;
private final double awtUpdate = 1.0 / 15.0; // 15 fps
private double awtCounter = 0;
@Override
protected void updateExample(final ReadOnlyTimer timer) {
counter += timer.getTimePerFrame();
frames++;
if (counter > 1) {
final double fps = frames / counter;
counter = 0;
frames = 0;
System.out.printf("%7.1f FPS\n", fps);
}
final Camera camera = _canvas.getCanvasRenderer().getCamera();
awtCounter += timer.getTimePerFrame();
if (awtCounter > awtUpdate) {
final double tis = timer.getTimeInSeconds() * 0.75;
ovalTrans.setTranslation(250 * MathUtils.sin(-tis), 150 * MathUtils.cos(tis), 0);
oval.setTransform(ovalTrans);
awtCounter -= awtUpdate;
}
// Make sure camera is above terrain
final double height = terrain.getHeightAt(camera.getLocation().getX(), camera.getLocation().getZ());
if (height > -Float.MAX_VALUE && (groundCamera || camera.getLocation().getY() < height + 3)) {
camera.setLocation(new Vector3(camera.getLocation().getX(), height + 3, camera.getLocation().getZ()));
}
if (updateTerrain) {
terrainCamera.set(camera);
}
}
private AwtTextureSource awtTextureSource;
private AwtShapeElement rectangle;
private AwtShapeElement oval;
private AwtImageElement bubble;
/**
* Initialize pssm pass and scene.
*/
@Override
protected void initExample() {
for (int i = 0; i < 9; i++) {
final double x = (i % 3 - 1) * 128.0;
final double z = (i / 3 - 1) * 128.0;
final Box b = new Box("" + i, new Vector3(x, 0, z), 5, 150, 5);
_root.attachChild(b);
}
// Setup main camera.
_canvas.setTitle("Shapes + Procedural Terrain Example");
_canvas.getCanvasRenderer().getCamera().setLocation(new Vector3(0, 300, 0));
_canvas.getCanvasRenderer().getCamera().lookAt(new Vector3(1, 300, 1), Vector3.UNIT_Y);
_canvas.getCanvasRenderer()
.getCamera()
.setFrustumPerspective(
70.0,
(float) _canvas.getCanvasRenderer().getCamera().getWidth()
/ _canvas.getCanvasRenderer().getCamera().getHeight(), 1.0f, farPlane);
final CanvasRenderer canvasRenderer = _canvas.getCanvasRenderer();
final RenderContext renderContext = canvasRenderer.getRenderContext();
final Renderer renderer = canvasRenderer.getRenderer();
GameTaskQueueManager.getManager(renderContext).getQueue(GameTaskQueue.RENDER).enqueue(new Callable<Void>() {
@Override
public Void call() throws Exception {
renderer.setBackgroundColor(ColorRGBA.GRAY);
return null;
}
});
_controlHandle.setMoveSpeed(50);
setupDefaultStates();
try {
// Keep a separate camera to be able to freeze terrain update
final Camera camera = _canvas.getCanvasRenderer().getCamera();
terrainCamera = new Camera(camera);
awtTextureSource = new AwtTextureSource(8, TextureStoreFormat.RGBA8); // Same as procedural one
final double scale = 1.0 / 4000.0;
Function3D functionTmp = new FbmFunction3D(Functions.simplexNoise(), 9, 0.5, 0.5, 3.14);
functionTmp = Functions.clamp(functionTmp, -1.2, 1.2);
final Function3D function = Functions.scaleInput(functionTmp, scale, scale, 1);
final TerrainDataProvider baseTerrainDataProvider = new ProceduralTerrainDataProvider(function,
new Vector3(1, heightScale, 1), -1.2f, 1.2f);
final TerrainBuilder terrainBuilder = new TerrainBuilder(baseTerrainDataProvider, terrainCamera);
terrainBuilder.addTextureConnection(awtTextureSource);
terrain = terrainBuilder.setShowDebugPanels(true).build();
_root.attachChild(terrain);
} catch (final Exception ex1) {
System.out.println("Problem setting up terrain...");
ex1.printStackTrace();
}
// add some shapes
rectangle = new AwtShapeElement(new Rectangle(400, 50));
Transform t = new Transform();
t.setRotation(new Matrix3().fromAngles(0, 0, 45 * MathUtils.DEG_TO_RAD));
rectangle.setTransform(t);
awtTextureSource.getProvider().addElement(rectangle);
oval = new AwtShapeElement(new Ellipse2D.Float(0, 0, 250, 150));
oval.setFillColor(Color.red);
// set transparency
oval.setCompositeOverride(AbstractAwtElement.makeAlphaComposite(.75f));
awtTextureSource.getProvider().addElement(oval);
// add an image element to test.
t = new Transform();
t.setScale(2.0);
t.translate(-250, 150, 0);
addBubble(t);
// Setup labels for presenting example info.
final Node textNodes = new Node("Text");
_root.attachChild(textNodes);
textNodes.getSceneHints().setRenderBucketType(RenderBucketType.Ortho);
textNodes.getSceneHints().setLightCombineMode(LightCombineMode.Off);
final double infoStartY = _canvas.getCanvasRenderer().getCamera().getHeight() / 2;
for (int i = 0; i < _exampleInfo.length; i++) {
_exampleInfo[i] = BasicText.createDefaultTextLabel("Text", "", 16);
_exampleInfo[i].setTranslation(new Vector3(10, infoStartY - i * 20, 0));
textNodes.attachChild(_exampleInfo[i]);
}
textNodes.updateGeometricState(0.0);
updateText();
_logicalLayer.registerTrigger(new InputTrigger(new KeyPressedCondition(Key.U), new TriggerAction() {
public void perform(final Canvas source, final TwoInputStates inputStates, final double tpf) {
updateTerrain = !updateTerrain;
updateText();
}
}));
_logicalLayer.registerTrigger(new InputTrigger(new KeyPressedCondition(Key.ONE), new TriggerAction() {
public void perform(final Canvas source, final TwoInputStates inputStates, final double tpf) {
_controlHandle.setMoveSpeed(5);
updateText();
}
}));
_logicalLayer.registerTrigger(new InputTrigger(new KeyPressedCondition(Key.TWO), new TriggerAction() {
public void perform(final Canvas source, final TwoInputStates inputStates, final double tpf) {
_controlHandle.setMoveSpeed(50);
updateText();
}
}));
_logicalLayer.registerTrigger(new InputTrigger(new KeyPressedCondition(Key.THREE), new TriggerAction() {
public void perform(final Canvas source, final TwoInputStates inputStates, final double tpf) {
_controlHandle.setMoveSpeed(200);
updateText();
}
}));
_logicalLayer.registerTrigger(new InputTrigger(new KeyPressedCondition(Key.FOUR), new TriggerAction() {
public void perform(final Canvas source, final TwoInputStates inputStates, final double tpf) {
_controlHandle.setMoveSpeed(1000);
updateText();
}
}));
_logicalLayer.registerTrigger(new InputTrigger(new KeyPressedCondition(Key.SPACE), new TriggerAction() {
public void perform(final Canvas source, final TwoInputStates inputStates, final double tpf) {
groundCamera = !groundCamera;
updateText();
}
}));
_logicalLayer.registerTrigger(new InputTrigger(new KeyPressedCondition(Key.R), new TriggerAction() {
public void perform(final Canvas source, final TwoInputStates inputStates, final double tpf) {
terrain.getTextureClipmap().setShowDebug(!terrain.getTextureClipmap().isShowDebug());
terrain.reloadShader();
updateText();
}
}));
_logicalLayer.registerTrigger(new InputTrigger(new KeyPressedCondition(Key.G), new TriggerAction() {
public void perform(final Canvas source, final TwoInputStates inputStates, final double tpf) {
terrain.reloadShader();
}
}));
_logicalLayer.registerTrigger(new InputTrigger(new KeyPressedCondition(Key.FIVE), new TriggerAction() {
public void perform(final Canvas source, final TwoInputStates inputStates, final double tpf) {
for (final TextureClipmap clipmap : terrain.getTextureClipmaps()) {
clipmap.setScale(terrain.getTextureClipmap().getScale() / 2);
}
terrain.reloadShader();
updateText();
}
}));
_logicalLayer.registerTrigger(new InputTrigger(new KeyPressedCondition(Key.SIX), new TriggerAction() {
public void perform(final Canvas source, final TwoInputStates inputStates, final double tpf) {
for (final TextureClipmap clipmap : terrain.getTextureClipmaps()) {
clipmap.setScale(terrain.getTextureClipmap().getScale() * 2);
}
terrain.reloadShader();
updateText();
}
}));
_logicalLayer.registerTrigger(new InputTrigger(new KeyPressedCondition(Key.SEVEN), new TriggerAction() {
public void perform(final Canvas source, final TwoInputStates inputStates, final double tpf) {
final Camera camera = _canvas.getCanvasRenderer().getCamera();
camera.setLocation(-5000, 500, -5000);
}
}));
_logicalLayer.registerTrigger(new InputTrigger(new KeyPressedCondition(Key.EIGHT), new TriggerAction() {
public void perform(final Canvas source, final TwoInputStates inputStates, final double tpf) {
final Camera camera = _canvas.getCanvasRenderer().getCamera();
camera.setLocation(5000, 500, 5000);
}
}));
_logicalLayer.registerTrigger(new InputTrigger(new KeyPressedCondition(Key.NINE), new TriggerAction() {
public void perform(final Canvas source, final TwoInputStates inputStates, final double tpf) {
final Camera camera = _canvas.getCanvasRenderer().getCamera();
camera.setLocation(camera.getLocation().getX(), camera.getLocation().getY(), camera.getLocation()
.getZ() + 1500.0);
}
}));
_logicalLayer.registerTrigger(new InputTrigger(new KeyPressedCondition(Key.V), new TriggerAction() {
public void perform(final Canvas source, final TwoInputStates inputStates, final double tpf) {
final Transform t = new Transform();
t.setScale(MathUtils.nextRandomDouble() * 4.9 + 0.1);
t.translate(MathUtils.nextRandomDouble() * 500 - 250, MathUtils.nextRandomDouble() * 500 - 250, 0);
addBubble(t);
}
}));
_logicalLayer.registerTrigger(new InputTrigger(new KeyPressedCondition(Key.ZERO), new TriggerAction() {
public void perform(final Canvas source, final TwoInputStates inputStates, final double tpf) {
final Camera camera = _canvas.getCanvasRenderer().getCamera();
camera.setLocation(camera.getLocation().getX(), camera.getLocation().getY(), camera.getLocation()
.getZ() - 1500.0);
}
}));
}
protected void addBubble(final Transform t) {
java.awt.Image bubbleImg = null;
try {
bubbleImg = ImageIO.read(ResourceLocatorTool.getClassPathResourceAsStream(
ShapesPlusProceduralTerrainExample.class, "com/ardor3d/example/media/images/ball.png"));
} catch (final IOException e) {
e.printStackTrace();
System.exit(-1);
}
bubble = new AwtImageElement(bubbleImg);
bubble.setTransform(t);
awtTextureSource.getProvider().addElement(bubble);
}
private void setupDefaultStates() {
_lightState.detachAll();
final DirectionalLight dLight = new DirectionalLight();
dLight.setEnabled(true);
dLight.setAmbient(new ColorRGBA(0.4f, 0.4f, 0.5f, 1));
dLight.setDiffuse(new ColorRGBA(0.6f, 0.6f, 0.5f, 1));
dLight.setSpecular(new ColorRGBA(0.3f, 0.3f, 0.2f, 1));
dLight.setDirection(new Vector3(-1, -1, -1).normalizeLocal());
_lightState.attach(dLight);
_lightState.setEnabled(true);
final CullState cs = new CullState();
cs.setEnabled(true);
cs.setCullFace(CullState.Face.Back);
_root.setRenderState(cs);
final FogState fs = new FogState();
fs.setStart(farPlane / 2.0f);
fs.setEnd(farPlane);
fs.setColor(new ColorRGBA(1.0f, 1.0f, 1.0f, 1.0f));
fs.setDensityFunction(DensityFunction.Linear);
_root.setRenderState(fs);
}
/**
* Update text information.
*/
private void updateText() {
_exampleInfo[0].setText("[1/2/3] Moving speed: " + _controlHandle.getMoveSpeed() * 3.6 + " km/h");
_exampleInfo[1].setText("[R] Draw texture debug: " + terrain.getTextureClipmap().isShowDebug());
_exampleInfo[2].setText("[SPACE] Toggle fly/walk: " + (groundCamera ? "walk" : "fly"));
_exampleInfo[3].setText("[J] Regenerate heightmap/texture");
_exampleInfo[4].setText("[U] Freeze terrain(debug): " + !updateTerrain);
}
}