start render early

src/org/oscim/renderer/GLRenderer.java

@@ -302,7 +302,7 @@ public class GLRenderer implements GLSurfaceView.Renderer {
 	@Override
 	public void onDrawFrame(GL10 glUnused) {
 		long start = SystemClock.uptimeMillis();
-		long wait = 20 - (start - lastDraw);
+		long wait = 30 - (start - lastDraw);
 		if (wait > 5) {
 			//Log.d(TAG, "wait " + wait);
 			SystemClock.sleep(wait);
@@ -549,7 +549,7 @@ public class GLRenderer implements GLSurfaceView.Renderer {
 		GLES20.glBlendFunc(GL_ONE, GL_ONE_MINUS_SRC_ALPHA);
 
 		if (!mNewSurface) {
-			mMapView.redrawMap();
+			mMapView.redrawMap(false);
 			return;
 		}
 
@@ -569,7 +569,7 @@ public class GLRenderer implements GLSurfaceView.Renderer {
 
 		GLState.init();
 
-		mMapView.redrawMap();
+		mMapView.redrawMap(true);
 	}
 
 	@Override

src/org/oscim/renderer/TileManager.java

@@ -207,15 +207,15 @@ public class TileManager {
 		float[] coords = mTileCoords;
 		changedPos = mMapViewPosition.getMapPosition(mapPosition, coords);
 
-		if (!changedPos) {
-			mMapView.render();
+		if (changedPos) {
+			//mMapView.render();
+		} else {
 			return;
 		}
 
-		float s = Tile.TILE_SIZE;
 		// load some tiles more than currently visible
 		// TODO limit how many more...
-		float scale = mapPosition.scale * 0.75f;
+		float scale = mapPosition.scale * 0.8f;
 		float px = (float) mapPosition.x;
 		float py = (float) mapPosition.y;
 
@@ -223,15 +223,15 @@ public class TileManager {
 		int zdir = 0;
 
 		for (int i = 0; i < 8; i += 2) {
-			coords[i + 0] = (px + coords[i + 0] / scale) / s;
-			coords[i + 1] = (py + coords[i + 1] / scale) / s;
+			coords[i + 0] = (px + coords[i + 0] / scale) / Tile.TILE_SIZE;
+			coords[i + 1] = (py + coords[i + 1] / scale) / Tile.TILE_SIZE;
 		}
 
 		boolean changed = updateVisibleList(mapPosition, zdir);
 
-		mMapView.render();
-
 		if (changed) {
+			mMapView.render();
+
 			int remove = mTilesCount - GLRenderer.CACHE_TILES;
 			if (remove > CACHE_THRESHOLD)
 				limitCache(mapPosition, remove);
@@ -337,9 +337,6 @@ public class TileManager {
 
 				mUpdateCnt++;
 			}
-
-			// Log.d(TAG, "tiles: " + mTilesCount + " " + BufferObject.counter
-			// + " sum:" + (mTilesCount + BufferObject.counter));
 		}
 
 		if (mJobs.size() > 0) {
@@ -606,13 +603,14 @@ public class TileManager {
 		}
 
 		if (tile.vbo != null) {
-			// BAD Things(tm) happend... 
-			Log.d(TAG, "tile loaded before " + tile);
+			// BAD Things(tm) happend: tile is already loaded
+			Log.d(TAG, "BUG: tile loaded before " + tile);
 			return true;
 		}
 
 		tile.state = STATE_NEW_DATA;
 
+		//if (tile.isVisible)
 		mMapView.render();
 
 		synchronized (mTilesLoaded) {

src/org/oscim/renderer/overlays/GridOverlay.java

@@ -106,7 +106,7 @@ public class GridOverlay extends BasicOverlay {
 	void timerFinished() {
 		Log.d("...", "timer finish!");
 		finished = true;
-		mMapView.redrawMap();
+		mMapView.redrawMap(true);
 	}
 
 	@Override

src/org/oscim/renderer/overlays/TextOverlay.java

@@ -68,7 +68,7 @@ public class TextOverlay extends BasicOverlay {
 
 			mRun = false;
 			updateLabels();
-			mMapView.redrawMap();
+			mMapView.redrawMap(false);
 		}
 
 		@Override

src/org/oscim/renderer/overlays/TextOverlayExp.java

@@ -15,6 +15,8 @@
 
 package org.oscim.renderer.overlays;
 
+import java.util.HashMap;
+
 import org.oscim.core.MapPosition;
 import org.oscim.core.Tile;
 import org.oscim.generator.JobTile;
@@ -66,7 +68,7 @@ public class TextOverlayExp extends BasicOverlay {
 
 			mRun = false;
 			if (updateLabels())
-				mMapView.redrawMap();
+				mMapView.redrawMap(false);
 			else
 				mRun = true;
 		}
@@ -90,6 +92,25 @@ public class TextOverlayExp extends BasicOverlay {
 		mThread.start();
 	}
 
+	private HashMap<TextItem, PlacementItem> mItemMap;
+
+	class PlacementItem extends TextItem {
+		int tileX;
+		int tileY;
+
+		boolean isTileNeighbour(PlacementItem other) {
+			int dx = other.tileX - tileX;
+			if (dx > 1 || dx < -1)
+				return false;
+
+			int dy = other.tileY - tileY;
+			if (dy > 1 || dy < -1)
+				return false;
+
+			return true;
+		}
+	}
+
 	private TextItem mPool;
 
 	private byte checkOverlap(TextLayer tl, TextItem ti) {