vtm/vtm-gdx/src/org/oscim/gdx/GdxMap.java
2013-10-09 02:38:00 +02:00

602 lines
14 KiB
Java

package org.oscim.gdx;
import org.oscim.backend.AssetAdapter;
import org.oscim.backend.Log;
import org.oscim.core.MapPosition;
import org.oscim.core.Tile;
import org.oscim.layers.labeling.LabelLayer;
import org.oscim.layers.overlay.BuildingOverlay;
import org.oscim.layers.overlay.GenericOverlay;
import org.oscim.layers.tile.vector.MapTileLayer;
import org.oscim.renderer.GLRenderer;
import org.oscim.renderer.GLState;
import org.oscim.renderer.layers.GridRenderLayer;
import org.oscim.theme.InternalRenderTheme;
import org.oscim.tilesource.TileSource;
import org.oscim.view.Map;
import org.oscim.view.Viewport;
import com.badlogic.gdx.Application;
import com.badlogic.gdx.ApplicationListener;
import com.badlogic.gdx.Gdx;
import com.badlogic.gdx.Input;
import com.badlogic.gdx.Input.Buttons;
import com.badlogic.gdx.InputMultiplexer;
import com.badlogic.gdx.InputProcessor;
import com.badlogic.gdx.input.GestureDetector;
import com.badlogic.gdx.input.GestureDetector.GestureListener;
import com.badlogic.gdx.math.Vector2;
import com.badlogic.gdx.utils.Timer;
import com.badlogic.gdx.utils.Timer.Task;
public class GdxMap implements ApplicationListener {
protected final Map mMap;
private final GLRenderer mMapRenderer;
boolean mRenderRequest;
public GdxMap() {
AssetAdapter.g = new GdxAssetAdapter();
mMap = new Map() {
@Override
public int getWidth() {
return mWidth;
}
@Override
public int getHeight() {
return mHeight;
}
@Override
public void updateMap(boolean forceRender) {
if (!mWaitRedraw) {
mWaitRedraw = true;
Gdx.app.postRunnable(mRedrawRequest);
}
}
@Override
public void render() {
mRenderRequest = true;
if (mClearMap)
updateMap(false);
else
Gdx.graphics.requestRendering();
}
@Override
public boolean post(Runnable runnable) {
Gdx.app.postRunnable(runnable);
return true;
}
@Override
public boolean postDelayed(final Runnable action, long delay) {
Timer.schedule(new Task() {
@Override
public void run() {
action.run();
}
}, delay / 1000f);
return true;
}
};
mMapRenderer = new GLRenderer(mMap);
}
protected void initDefaultMap(TileSource tileSource, boolean tileGrid, boolean labels,
boolean buildings) {
if (tileSource != null) {
mMapLayer = mMap.setBaseMap(tileSource);
mMap.setTheme(InternalRenderTheme.DEFAULT);
if (buildings)
mMap.getLayers().add(
new BuildingOverlay(mMap, mMapLayer.getTileLayer()));
if (labels)
mMap.getLayers().add(new LabelLayer(mMap,
mMapLayer.getTileLayer()));
}
if (tileGrid)
mMap.getLayers().add(new GenericOverlay(mMap,
new GridRenderLayer()));
}
// Stage ui;
// Label fps;
// BitmapFont font;
MapTileLayer mMapLayer;
GenericOverlay mGridLayer;
int mHeight, mWidth;
@Override
public void create() {
Gdx.graphics.setContinuousRendering(false);
Log.logger = new GdxLog();
Gdx.app.setLogLevel(Application.LOG_DEBUG);
int w = Gdx.graphics.getWidth();
int h = Gdx.graphics.getHeight();
mWidth = w;
mHeight = h;
mMap.getViewport().setViewport(w, h);
MapPosition p = new MapPosition();
p.setZoomLevel(14);
p.setPosition(53.08, 8.83);
//p.setPosition(0.0, 0.0);
mMap.setMapPosition(p);
mMapRenderer.onSurfaceCreated();
mMapRenderer.onSurfaceChanged(w, h);
InputMultiplexer mux = new InputMultiplexer();
ViewController controller = new ViewController();
GestureDetector gestureDetector = new GestureDetector(20, 0.5f, 2, 0.05f, controller);
mux.addProcessor(new TouchHandler());
mux.addProcessor(gestureDetector);
Gdx.input.setInputProcessor(mux);
// ui = new Stage(w, h, false);
// font = new BitmapFont(false);
// fps = new Label("fps: 0", new Label.LabelStyle(font, Color.WHITE));
// fps.setPosition(10, 30);
// fps.setColor(0, 1, 0, 1);
// ui.addActor(fps);
}
@Override
public void dispose() {
}
@Override
public void render() {
// GLState.enableVertexArrays(-1, -1);
// GLState.blend(false);
// GLState.test(false, false);
if (mRenderRequest) {
mRenderRequest = false;
mMapRenderer.onDrawFrame();
}
// Gdx.gl20.glBindBuffer(GL20.GL_ARRAY_BUFFER, 0);
// Gdx.gl20.glBindBuffer(GL20.GL_ELEMENT_ARRAY_BUFFER, 0);
// fps.setText("fps: " + Gdx.graphics.getFramesPerSecond());
// ui.draw();
}
@Override
public void resize(int w, int h) {
mWidth = w;
mHeight = h;
mMap.getViewport().setViewport(w, h);
mMapRenderer.onSurfaceChanged(w, h);
mMap.render();
}
@Override
public void pause() {
}
@Override
public void resume() {
}
/**
* Update all Layers on Main thread.
*
* @param forceRedraw
* also render frame FIXME (does nothing atm)
*/
void redrawMapInternal(boolean forceRedraw) {
GLState.blend(false);
GLState.test(false, false);
mMap.updateLayers();
mRenderRequest = true;
Gdx.graphics.requestRendering();
}
/* private */boolean mWaitRedraw;
private final Runnable mRedrawRequest = new Runnable() {
@Override
public void run() {
mWaitRedraw = false;
redrawMapInternal(false);
}
};
class TouchHandler implements InputProcessor {
private Viewport mMapPosition;
public TouchHandler() {
mMapPosition = mMap.getViewport();
}
private boolean mActiveScale;
//private boolean mActiveTilt;
private boolean mActiveRotate;
private int mPosX, mPosY;
@Override
public boolean keyDown(int keycode) {
switch (keycode) {
case Input.Keys.UP:
mMapPosition.moveMap(0, -50);
mMap.updateMap(true);
break;
case Input.Keys.DOWN:
mMapPosition.moveMap(0, 50);
mMap.updateMap(true);
break;
case Input.Keys.LEFT:
mMapPosition.moveMap(-50, 0);
mMap.updateMap(true);
break;
case Input.Keys.RIGHT:
mMapPosition.moveMap(50, 0);
mMap.updateMap(true);
break;
case Input.Keys.M:
mMapPosition.scaleMap(1.05f, 0, 0);
mMap.updateMap(true);
break;
case Input.Keys.N:
mMapPosition.scaleMap(0.95f, 0, 0);
mMap.updateMap(true);
break;
case Input.Keys.D:
mMap.setTheme(InternalRenderTheme.DEFAULT);
mMap.updateMap(false);
break;
case Input.Keys.T:
mMap.setTheme(InternalRenderTheme.TRONRENDER);
mMap.updateMap(false);
break;
case Input.Keys.G:
if (mGridLayer == null) {
mGridLayer = new GenericOverlay(mMap, new GridRenderLayer());
mGridLayer.setEnabled(true);
mMap.getLayers().add(mGridLayer);
} else {
if (mGridLayer.isEnabled()) {
mGridLayer.setEnabled(false);
mMap.getLayers().remove(mGridLayer);
} else {
mGridLayer.setEnabled(true);
mMap.getLayers().add(mGridLayer);
}
}
mMap.render();
break;
}
return false;
}
@Override
public boolean keyUp(int keycode) {
return false;
}
@Override
public boolean keyTyped(char character) {
return false;
}
@Override
public boolean touchDown(int screenX, int screenY, int pointer, int button) {
if (button == Buttons.MIDDLE) {
mActiveScale = true;
mPosY = screenY;
} else if (button == Buttons.RIGHT) {
mActiveRotate = true;
mPosX = screenX;
mPosY = screenY;
return true;
}
return false;
}
@Override
public boolean touchUp(int screenX, int screenY, int pointer, int button) {
mActiveScale = false;
mActiveRotate = false;
return false;
}
@Override
public boolean touchDragged(int screenX, int screenY, int pointer) {
boolean changed = false;
if (!(mActiveScale || mActiveRotate))
return false;
if (mActiveScale) {
// changed = mMapPosition.tilt((screenY - mStartY) / 5f);
changed = mMapPosition.scaleMap(1 - (screenY - mPosY) / 100f, 0, 0);
mPosY = screenY;
}
if (mActiveRotate) {
mMapPosition.rotateMap((screenX - mPosX) / 500f, 0, 0);
mPosX = screenX;
mMapPosition.tiltMap((screenY - mPosY) / 10f);
mPosY = screenY;
changed = true;
}
if (changed) {
mMap.updateMap(true);
}
return true;
}
@Override
public boolean mouseMoved(int screenX, int screenY) {
mPosX = screenX;
mPosY = screenY;
return false;
}
@Override
public boolean scrolled(int amount) {
if (amount > 0) {
mMapPosition.animateZoom(150, 0.8f, 0, 0);
} else {
float fx = mPosX - mMap.getWidth() / 2;
float fy = mPosY - mMap.getHeight() / 2;
mMapPosition.animateZoom(150, 1.25f, fx, fy);
}
mMap.updateMap(false);
return true;
}
}
class ViewController implements GestureListener {
private boolean mayFling = true;
private boolean mPinch;
private boolean mBeginScale;
private float mSumScale;
private float mSumRotate;
private boolean mBeginRotate;
private boolean mBeginTilt;
private float mPrevX;
private float mPrevY;
private float mPrevX2;
private float mPrevY2;
private float mFocusX;
private float mFocusY;
private double mAngle;
protected double mPrevPinchWidth = -1;
protected static final int JUMP_THRESHOLD = 100;
protected static final double PINCH_ZOOM_THRESHOLD = 5;
protected static final double PINCH_ROTATE_THRESHOLD = 0.02;
protected static final float PINCH_TILT_THRESHOLD = 1f;
private Viewport mMapPosition;
public ViewController() {
mMapPosition = mMap.getViewport();
}
@Override
public boolean touchDown(float x, float y, int pointer, int button) {
mayFling = true;
mPinch = false;
return false;
}
@Override
public boolean tap(float x, float y, int count, int button) {
return false;
}
@Override
public boolean longPress(float x, float y) {
return false;
}
@Override
public boolean fling(final float velocityX, final float velocityY,
int button) {
//Log.d("", "fling " + button + " " + velocityX + "/" + velocityY);
if (mayFling && button == Buttons.LEFT) {
int m = Tile.SIZE * 4;
mMapPosition.animateFling((int) velocityX, (int) velocityY, -m, m, -m, m);
return true;
}
return false;
}
@Override
public boolean pan(float x, float y, float deltaX, float deltaY) {
if (mPinch)
return true;
mMapPosition.moveMap(deltaX, deltaY);
mMap.updateMap(true);
return false;
}
@Override
public boolean zoom(float initialDistance, float distance) {
return false;
}
@Override
public boolean pinch(Vector2 initialPointer1, Vector2 initialPointer2,
Vector2 pointer1, Vector2 pointer2) {
mayFling = false;
if (!mPinch) {
mPrevX = pointer1.x;
mPrevY = pointer1.y;
mPrevX2 = pointer2.x;
mPrevY2 = pointer2.y;
double dx = mPrevX - mPrevX2;
double dy = mPrevY - mPrevY2;
mAngle = Math.atan2(dy, dx);
mPrevPinchWidth = Math.sqrt(dx * dx + dy * dy);
mPinch = true;
mBeginTilt = false;
mBeginRotate = false;
mBeginScale = false;
return true;
}
float x1 = pointer1.x;
float y1 = pointer1.y;
//float mx = x1 - mPrevX;
float my = y1 - mPrevY;
float x2 = pointer2.x;
float y2 = pointer2.y;
float dx = (x1 - x2);
float dy = (y1 - y2);
float slope = 0;
if (dx != 0)
slope = dy / dx;
double pinchWidth = Math.sqrt(dx * dx + dy * dy);
final double deltaPinchWidth = pinchWidth - mPrevPinchWidth;
double rad = Math.atan2(dy, dx);
double r = rad - mAngle;
boolean startScale = (Math.abs(deltaPinchWidth) > PINCH_ZOOM_THRESHOLD);
boolean changed = false;
if (!mBeginTilt && (mBeginScale || startScale)) {
mBeginScale = true;
float scale = (float) (pinchWidth / mPrevPinchWidth);
// decrease change of scale by the change of rotation
// * 20 is just arbitrary
if (mBeginRotate)
scale = 1 + ((scale - 1) * Math.max(
(1 - (float) Math.abs(r) * 20), 0));
mSumScale *= scale;
if ((mSumScale < 0.99 || mSumScale > 1.01)
&& mSumRotate < Math.abs(0.02))
mBeginRotate = false;
float fx = (x2 + x1) / 2 - mWidth / 2;
float fy = (y2 + y1) / 2 - mHeight / 2;
// Log.d(TAG, "zoom " + deltaPinchWidth + " " + scale + " " +
// mSumScale);
changed = mMapPosition.scaleMap(scale, fx, fy);
}
if (!mBeginRotate && Math.abs(slope) < 1) {
float my2 = y2 - mPrevY2;
float threshold = PINCH_TILT_THRESHOLD;
// Log.d(TAG, r + " " + slope + " m1:" + my + " m2:" + my2);
if ((my > threshold && my2 > threshold)
|| (my < -threshold && my2 < -threshold)) {
mBeginTilt = true;
changed = mMapPosition.tiltMap(my / 5);
}
}
if (!mBeginTilt
&& (mBeginRotate || (Math.abs(slope) > 1 && Math.abs(r) > PINCH_ROTATE_THRESHOLD))) {
// Log.d(TAG, "rotate: " + mBeginRotate + " " +
// Math.toDegrees(rad));
if (!mBeginRotate) {
mAngle = rad;
mSumScale = 1;
mSumRotate = 0;
mBeginRotate = true;
mFocusX = (mWidth / 2) - (x1 + x2) / 2;
mFocusY = (mHeight / 2) - (y1 + y2) / 2;
} else {
double da = rad - mAngle;
mSumRotate += da;
if (Math.abs(da) > 0.001) {
double rsin = Math.sin(r);
double rcos = Math.cos(r);
float x = (float) (mFocusX * rcos + mFocusY * -rsin - mFocusX);
float y = (float) (mFocusX * rsin + mFocusY * rcos - mFocusY);
mMapPosition.rotateMap(da, x, y);
changed = true;
}
}
mAngle = rad;
}
if (changed) {
mMap.updateMap(true);
mPrevPinchWidth = pinchWidth;
mPrevY2 = y2;
}
mPrevX = x1;
mPrevY = y1;
mPrevX2 = x2;
return true;
}
}
}