WallyHackenslacker/NxtAR-core
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Added intradocumentation.

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This commit is contained in:
Wally Hackenslacker
2014-05-05 12:32:06 -04:30
parent d8922182e0
commit 1146a260b6
3 changed files with 45 additions and 34 deletions
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11
src/ve/ucv/ciens/ccg/nxtar/states/CameraCalibrationState.java
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@@ -205,33 +205,41 @@ public class CameraCalibrationState extends BaseState{
if(backgroundShader != null) core.batch.setShader(null);
}core.batch.end();
// Fetch the current video frame and find the calibration pattern in it.
// Fetch the current video frame.
frame = frameMonitor.getCurrentFrame();
// Apply the undistortion method if the camera has been calibrated already.
if(core.cvProc.cameraIsCalibrated()){
frame = core.cvProc.undistortFrame(frame);
}
// Find the calibration points in the video frame.
CVCalibrationData data = core.cvProc.findCalibrationPattern(frame);
// Disable the sampling button if the calibration pattern was not found.
if(data.calibrationPoints != null && !core.cvProc.cameraIsCalibrated()){
takeSampleButton.setDisabled(false);
}else{
takeSampleButton.setDisabled(true);
}
// If the user requested a sample be taken.
if(takeSample && !core.cvProc.cameraIsCalibrated() && data.calibrationPoints != null){
// Disable sample taking.
takeSample = false;
Gdx.app.log(TAG, CLASS_NAME + ".render(): Sample taken.");
// Save the calibration points to the samples array.
for(int i = 0; i < data.calibrationPoints.length; i += 2){
Gdx.app.log(TAG, CLASS_NAME + ".render(): Value " + Integer.toString(i) + " = (" + Float.toString(data.calibrationPoints[i]) + ", " + Float.toString(data.calibrationPoints[i + 1]) + ")");
calibrationSamples[lastSampleTaken][i] = data.calibrationPoints[i];
calibrationSamples[lastSampleTaken][i + 1] = data.calibrationPoints[i + 1];
}
// Move to the next sample.
lastSampleTaken++;
// If enough samples has been taken then calibrate the camera.
if(lastSampleTaken == ProjectConstants.CALIBRATION_SAMPLES){
Gdx.app.log(TAG, CLASS_NAME + "render(): Last sample taken.");
@@ -285,6 +293,7 @@ public class CameraCalibrationState extends BaseState{
takeSampleButton.draw(core.batch, 1.0f);
}core.batch.end();
}else{
// TODO: Render OUYA gui.
}
// Save this frame as previous to avoid processing the same frame twice when network latency is high.

36
src/ve/ucv/ciens/ccg/nxtar/states/InGameState.java
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@@ -129,6 +129,7 @@ public class InGameState extends BaseState{
motorGamepadButtonPressed[5] = false;
motorGamepadButtonPressed[6] = false;
// Set up the background.
backgroundTexture = new Texture(Gdx.files.internal("data/gfx/textures/tile_aqua.png"));
backgroundTexture.setWrap(TextureWrap.Repeat, TextureWrap.Repeat);
backgroundTexture.setFilter(TextureFilter.Linear, TextureFilter.Linear);
@@ -136,6 +137,7 @@ public class InGameState extends BaseState{
background.setSize(Gdx.graphics.getWidth(), Gdx.graphics.getHeight());
background.setPosition(-(Gdx.graphics.getWidth() / 2), -(Gdx.graphics.getHeight() / 2));
// Set up the shader.
backgroundShader = new ShaderProgram(Gdx.files.internal(SHADER_PATH + ".vert"), Gdx.files.internal(SHADER_PATH + ".frag"));
if(!backgroundShader.isCompiled()){
Gdx.app.error(TAG, CLASS_NAME + ".MainMenuStateBase() :: Failed to compile the background shader.");
@@ -154,11 +156,13 @@ public class InGameState extends BaseState{
byte[] prevFrame = null;
Size dimensions = null;
CVMarkerData data;
TextureRegion region;
// Clear the screen.
Gdx.gl.glClearColor(1, 1, 1, 1);
Gdx.gl.glClear(GL20.GL_COLOR_BUFFER_BIT);
Gdx.app.log(TAG, CLASS_NAME + ".render(): Frame buffer cleared.");
// Render the background.
core.batch.setProjectionMatrix(pixelPerfectCamera.combined);
core.batch.begin();{
if(backgroundShader != null){
@@ -168,35 +172,33 @@ public class InGameState extends BaseState{
background.draw(core.batch);
if(backgroundShader != null) core.batch.setShader(null);
}core.batch.end();
Gdx.app.log(TAG, CLASS_NAME + ".render(): Background drawn.");
// Fetch the current video frame.
frame = frameMonitor.getCurrentFrame();
// Apply the undistortion method if the camera has been calibrated already.
if(core.cvProc.cameraIsCalibrated()){
frame = core.cvProc.undistortFrame(frame);
}
// Attempt to find the markers in the current video frame.
data = core.cvProc.findMarkersInFrame(frame);
Gdx.app.log(TAG, CLASS_NAME + ".render(): Frame processed.");
/*if(data != null){
for(int i = 0; i < data.markerCodes.length; i++){
Gdx.app.log(TAG, CLASS_NAME + String.format(".render(): Marker code[%d] = %d", i, data.markerCodes[i]));
}
}*/
// If a valid frame was fetched.
if(data != null && data.outFrame != null && !Arrays.equals(frame, prevFrame)){
// Decode the video frame.
dimensions = frameMonitor.getFrameDimensions();
videoFrame = new Pixmap(data.outFrame, 0, dimensions.getWidth() * dimensions.getHeight());
videoFrameTexture = new Texture(videoFrame);
videoFrameTexture.setFilter(TextureFilter.Linear, TextureFilter.Linear);
videoFrame.dispose();
Gdx.app.log(TAG, CLASS_NAME + ".render(): Texture created.");
TextureRegion region = new TextureRegion(videoFrameTexture, 0, 0, dimensions.getWidth(), dimensions.getHeight());
// Convert the decoded frame into a renderable texture.
region = new TextureRegion(videoFrameTexture, 0, 0, dimensions.getWidth(), dimensions.getHeight());
renderableVideoFrame = new Sprite(region);
renderableVideoFrame.setOrigin(renderableVideoFrame.getWidth() / 2, renderableVideoFrame.getHeight() / 2);
// Set the position and orientation of the renderable video frame.
if(!Ouya.runningOnOuya){
renderableVideoFrame.setSize(1.0f, renderableVideoFrame.getHeight() / renderableVideoFrame.getWidth() );
renderableVideoFrame.rotate90(true);
@@ -207,22 +209,24 @@ public class InGameState extends BaseState{
renderableVideoFrame.rotate90(true);
renderableVideoFrame.translate(-renderableVideoFrame.getWidth() / 2, -renderableVideoFrame.getHeight() / 2);
}
Gdx.app.log(TAG, CLASS_NAME + ".render(): Texture resized and positioned.");
// Set the correct camera for the device.
if(!Ouya.runningOnOuya){
core.batch.setProjectionMatrix(camera.combined);
}else{
core.batch.setProjectionMatrix(pixelPerfectCamera.combined);
}
// Render the video frame.
core.batch.begin();{
renderableVideoFrame.draw(core.batch);
}core.batch.end();
Gdx.app.log(TAG, CLASS_NAME + ".render(): Texture drawn.");
// Clear the video frame from memory.
videoFrameTexture.dispose();
Gdx.app.log(TAG, CLASS_NAME + ".render(): Texture released.");
}
// Render the interface buttons.
if(!Ouya.runningOnOuya){
core.batch.setProjectionMatrix(pixelPerfectCamera.combined);
core.batch.begin();{
@@ -236,8 +240,8 @@ public class InGameState extends BaseState{
}core.batch.end();
}
// Save this frame as previous to avoid processing the same frame twice when network latency is high.
prevFrame = frame;
Gdx.app.log(TAG, CLASS_NAME + ".render(): Render complete.");
}
@Override

32
src/ve/ucv/ciens/ccg/nxtar/utils/ProjectConstants.java
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@@ -18,28 +18,26 @@ package ve.ucv.ciens.ccg.nxtar.utils;
import com.badlogic.gdx.controllers.mappings.Ouya;
public abstract class ProjectConstants{
public static final int SERVICE_DISCOVERY_PORT = 9988;
public static final int VIDEO_STREAMING_PORT = 9989;
public static final int MOTOR_CONTROL_PORT = 9990;
public static final int SENSOR_REPORT_PORT = 9991;
public static final int APP_CONTROL_PORT = 9992;
public static final int SERVICE_DISCOVERY_PORT = 9988;
public static final int VIDEO_STREAMING_PORT = 9989;
public static final int MOTOR_CONTROL_PORT = 9990;
public static final int SENSOR_REPORT_PORT = 9991;
public static final int APP_CONTROL_PORT = 9992;
public static final String MULTICAST_ADDRESS = "230.0.0.1";
public static final String MULTICAST_ADDRESS = "230.0.0.1";
public static final int EXIT_SUCCESS = 0;
public static final int EXIT_FAILURE = 1;
public static final int EXIT_SUCCESS = 0;
public static final int EXIT_FAILURE = 1;
public static final boolean DEBUG = true;
public static final boolean DEBUG = true;
public static final int[] POWERS_OF_2 = {64, 128, 256, 512, 1024, 2048};
public static final int[] POWERS_OF_2 = {64, 128, 256, 512, 1024, 2048};
public static final float OVERSCAN;
public static final int MENU_BUTTON_FONT_SIZE;
public static final String FONT_CHARS = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890";
public static final float OVERSCAN;
public static final int MENU_BUTTON_FONT_SIZE;
public static final String FONT_CHARS = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890";
public static final int CALIBRATION_PATTERN_POINTS = 54;
public static final int CALIBRATION_SAMPLES = 10;
public static final int CALIBRATION_PATTERN_POINTS = 54;
public static final int CALIBRATION_SAMPLES = 10;
static{
OVERSCAN = Ouya.runningOnOuya ? 0.9f : 1.0f;