gov.nasa.worldwind.SceneController Maven / Gradle / Ivy
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/*
* Copyright (C) 2012 United States Government as represented by the Administrator of the
* National Aeronautics and Space Administration.
* All Rights Reserved.
*/
package gov.nasa.worldwind;
import gov.nasa.worldwind.cache.GpuResourceCache;
import gov.nasa.worldwind.pick.PickedObjectList;
import gov.nasa.worldwind.render.*;
import gov.nasa.worldwind.terrain.SectorGeometryList;
import gov.nasa.worldwind.util.*;
import java.awt.*;
import java.util.*;
/**
* @author Tom Gaskins
* @version $Id: SceneController.java 1171 2013-02-11 21:45:02Z dcollins $
*/
public interface SceneController extends WWObject, Disposable
{
/**
* Indicates the scene controller's model. This returns null if the scene controller has no model.
*
* @return the scene controller's model, or null if the scene controller has no model.
*/
Model getModel();
/**
* Specifies the scene controller's model. This method fires an {@link gov.nasa.worldwind.avlist.AVKey#MODEL}
* property change event.
*
* @param model the scene controller's model.
*/
void setModel(Model model);
/**
* Returns the current view. This method fires an {@link gov.nasa.worldwind.avlist.AVKey#VIEW} property change
* event.
*
* @return the current view.
*/
View getView();
/**
* Sets the current view.
*
* @param view the view.
*/
void setView(View view);
/**
* Cause the window to regenerate the frame, including pick resolution.
*
* @return if greater than zero, the window should be automatically repainted again at the indicated number of
* milliseconds from this method's return.
*/
int repaint();
/**
* Specifies the exaggeration to apply to elevation values of terrain and other displayed items.
*
* @param verticalExaggeration the vertical exaggeration to apply.
*/
void setVerticalExaggeration(double verticalExaggeration);
/**
* Indicates the current vertical exaggeration.
*
* @return the current vertical exaggeration.
*/
double getVerticalExaggeration();
/**
* Returns the list of picked objects at the current pick point. The returned list is computed during the most
* recent call to repaint.
*
* @return the list of picked objects at the pick point, or null if no objects are currently picked.
*/
PickedObjectList getPickedObjectList();
/**
* Returns the list of picked objects that intersect the current pick rectangle. The returned list is computed
* during the most recent call to repaint.
*
* @return the list of picked objects intersecting the pick rectangle, or null if no objects are currently
* intersecting the rectangle.
*/
PickedObjectList getObjectsInPickRectangle();
/**
* Returns the current average frames drawn per second. A frame is one repaint of the window and includes a pick
* pass and a render pass.
*
* @return the current average number of frames drawn per second.
*/
double getFramesPerSecond();
/**
* Returns the per-frame timestamp.
*
* @return the per-frame timestamp, in milliseconds.
*/
double getFrameTime();
/**
* Specifies the current pick point in AWT screen coordinates, or null to indicate that there is no
* pick point. Each frame, this scene controller determines which objects are drawn at the pick point and places
* them in a PickedObjectList. This list can be accessed by calling {@link #getPickedObjectList()}.
*
* If the pick point is null, this scene controller ignores the pick point and the list of objects
* returned by getPickedObjectList is empty.
*
* @param pickPoint the current pick point, or null.
*/
void setPickPoint(Point pickPoint);
/**
* Returns the current pick point in AWT screen coordinates.
*
* @return the current pick point, or null if no pick point is current.
*
* @see #setPickPoint(java.awt.Point)
*/
Point getPickPoint();
/**
* Specifies the current pick rectangle in AWT screen coordinates, or null to indicate that there is no
* pick rectangle. Each frame, this scene controller determines which objects intersect the pick rectangle and
* places them in a PickedObjectList. This list can be accessed by calling {@link #getObjectsInPickRectangle()}.
*
* If the pick rectangle is null, this scene controller ignores the pick rectangle and the list of
* objects returned by getObjectsInPickRectangle is empty.
*
* @param pickRect the current pick rectangle, or null.
*/
void setPickRectangle(Rectangle pickRect);
/**
* Returns the current pick rectangle in AWT screen coordinates.
*
* @return the current pick rectangle, or null if no pick rectangle is current.
*
* @see #setPickRectangle(java.awt.Rectangle)
*/
Rectangle getPickRectangle();
/**
* Specifies whether all items under the cursor are identified during picking and within {@link
* gov.nasa.worldwind.event.SelectEvent}s.
*
* @param tf true to identify all items under the cursor during picking, otherwise false.
*/
void setDeepPickEnabled(boolean tf);
/**
* Indicates whether all items under the cursor are identified during picking and within {@link
* gov.nasa.worldwind.event.SelectEvent}s.
*
* @return true if all items under the cursor are identified during picking, otherwise false.
*/
boolean isDeepPickEnabled();
/**
* Specifies the GPU Resource cache to use.
*
* @param gpuResourceCache the texture cache.
*/
void setGpuResourceCache(GpuResourceCache gpuResourceCache);
/**
* Returns this scene controller's GPU Resource cache.
*
* @return this scene controller's GPU Resource cache.
*/
GpuResourceCache getGpuResourceCache();
/**
* Returns the current per-frame statistics.
*
* @return the current per-frame statistics.
*/
Collection getPerFrameStatistics();
/**
* Specifies the performance values to monitor. See {@link gov.nasa.worldwind.util.PerformanceStatistic} for the
* available keys.
*
* @param keys the performance statistic keys to monitor.
*/
void setPerFrameStatisticsKeys(Set keys);
/**
* Returns the rendering exceptions accumulated by this SceneController during the last frame as a {@link
* java.util.Collection} of {@link Throwable} objects.
*
* @return the Collection of accumulated rendering exceptions.
*/
Collection getRenderingExceptions();
/**
* Returns the terrain geometry used to draw the most recent frame. The geometry spans only the area most recently
* visible.
*
* @return the terrain geometry used to draw the most recent frame. May be null.
*/
SectorGeometryList getTerrain();
/**
* Returns the current draw context.
*
* @return the current draw context.
*/
DrawContext getDrawContext();
/** Reinitializes the scene controller. */
void reinitialize();
/**
* Returns the current screen credit controller.
*
* @return the current screen credit controller. May be null.
*
* @see #setScreenCreditController(gov.nasa.worldwind.render.ScreenCreditController)
*/
ScreenCreditController getScreenCreditController();
/**
* Specifies the {@link gov.nasa.worldwind.render.ScreenCreditController} to use for displaying screen credits for
* the model of this screen controller.
*
* @param screenCreditRenderer the screen credit controller. May be null, in which case screen credits are not
* displayed.
*/
void setScreenCreditController(ScreenCreditController screenCreditRenderer);
/**
* Returns the {@link GLRuntimeCapabilities} associated with this SceneController.
*
* @return this SceneController's associated GLRuntimeCapabilities.
*/
GLRuntimeCapabilities getGLRuntimeCapabilities();
/**
* Sets the {@link GLRuntimeCapabilities} associated with this SceneController to the specified parameter.
*
* @param capabilities the GLRuntimeCapabilities to be associated with this SceneController.
*
* @throws IllegalArgumentException if the capabilities are null.
*/
void setGLRuntimeCapabilities(GLRuntimeCapabilities capabilities);
//
// GroupingFilter getGroupingFilter(String filterName);
//
// void addGroupingFilter(String filterName, GroupingFilter filter);
//
// void removeGroupingFilter(String filterName);
//
// void removeAllGroupingFilters();
/**
* Returns the current clutter filter.
*
* @return the current clutter filter. May be null, in which case decluttering is not performed.
*/
ClutterFilter getClutterFilter();
/**
* Specifies the clutter filter to use.
*
* @param clutterFilter the clutter filter to use. May be null to indicate no decluttering.
*/
void setClutterFilter(ClutterFilter clutterFilter);
}
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