Skip to content

Commit

Permalink
can now properly preview multiple files at once
Browse files Browse the repository at this point in the history
  • Loading branch information
@dkstrong
dkstrong committed Jan 27, 2018
1 parent acb2eda commit 497fbdd
Show file tree
Hide file tree
Showing 5 changed files with 287 additions and 163 deletions.
221 changes: 97 additions & 124 deletions core/src/asf/modelpreview/ModelPreviewApp.java
View file
Original file line number Diff line number Diff line change
Expand Up @@ -17,20 +17,15 @@
import com.badlogic.gdx.graphics.g3d.Material;
import com.badlogic.gdx.graphics.g3d.Model;
import com.badlogic.gdx.graphics.g3d.ModelBatch;
import com.badlogic.gdx.graphics.g3d.ModelInstance;
import com.badlogic.gdx.graphics.g3d.attributes.BlendingAttribute;
import com.badlogic.gdx.graphics.g3d.attributes.ColorAttribute;
import com.badlogic.gdx.graphics.g3d.attributes.FloatAttribute;
import com.badlogic.gdx.graphics.g3d.attributes.IntAttribute;
import com.badlogic.gdx.graphics.g3d.environment.DirectionalLight;
import com.badlogic.gdx.graphics.g3d.loader.G3dModelLoader;
import com.badlogic.gdx.graphics.g3d.loader.ObjLoader;
import com.badlogic.gdx.graphics.g3d.model.Animation;
import com.badlogic.gdx.graphics.g3d.utils.AnimationController;
import com.badlogic.gdx.graphics.g3d.utils.CameraInputController;
import com.badlogic.gdx.graphics.g3d.utils.ModelBuilder;
import com.badlogic.gdx.math.MathUtils;
import com.badlogic.gdx.math.Vector3;
import com.badlogic.gdx.math.collision.BoundingBox;
import com.badlogic.gdx.scenes.scene2d.Stage;
import com.badlogic.gdx.scenes.scene2d.ui.Container;
import com.badlogic.gdx.scenes.scene2d.ui.Label;
Expand All @@ -48,11 +43,12 @@ public class ModelPreviewApp extends ApplicationAdapter {
public volatile boolean environmentLightingEnabled = true;
public final Color backgroundColor = new Color(100 / 255f, 149 / 255f, 237 / 255f, 1f);

private ModelBatch modelBatch;
protected ModelBatch modelBatch;

private Model model;
private ModelInstance modelInstance;
private AnimationController animController;
private Array<Spatial> spatials = new Array<Spatial>(true, 16, Spatial.class);
// private Model model;
// private ModelInstance modelInstance;
// private AnimationController animController;
private boolean backFaceCulling = true;
private boolean alphaBlending = false;
private float alphaTest = -1;
Expand All @@ -71,47 +67,22 @@ public ModelPreviewApp(DesktopAppResolver desktopLauncher) {

public void setBackFaceCulling(boolean backFaceCullinEnabled) {
backFaceCulling = backFaceCullinEnabled;

if (modelInstance != null) {
if (backFaceCulling) {
for (Material mat : modelInstance.materials) {
mat.remove(IntAttribute.CullFace);
}
} else {
for (Material mat : modelInstance.materials) {
mat.set(new IntAttribute(IntAttribute.CullFace, 0));
}
}
for (Spatial s : spatials) {
s.setBackFaceCulling(backFaceCulling);
}
}

public void setAlphaBlending(boolean alphaBlendingEnabled) {
alphaBlending = alphaBlendingEnabled;
if (modelInstance != null) {
if (alphaBlending) {
for (Material mat : modelInstance.materials) {
mat.set(new BlendingAttribute(GL20.GL_SRC_ALPHA, GL20.GL_ONE_MINUS_SRC_ALPHA));
}
} else {
for (Material mat : modelInstance.materials) {
mat.remove(BlendingAttribute.Type);
}
}
for (Spatial s : spatials) {
s.setBackFaceCulling(alphaBlending);
}
}

public void setAlphaTest(float alphaTestValue) {
alphaTest = alphaTestValue;
if (modelInstance != null) {
if (alphaTest >= 0) {
for (Material mat : modelInstance.materials) {
mat.set(new FloatAttribute(FloatAttribute.AlphaTest, alphaTest));
}
} else {
for (Material mat : modelInstance.materials) {
mat.remove(FloatAttribute.AlphaTest);
}
}
for (Spatial s : spatials) {
s.setAlphaTest(alphaTest);
}
}

Expand All @@ -125,34 +96,90 @@ public void resetBackgroundColor() {
setBackgroundColor(100 / 255f, 149 / 255f, 237 / 255f);
}

public void previewFile(File f) throws GdxRuntimeException{
if (model != null) {
model.dispose();
model = null;
animController = null;
public void previewFile(File f) {
previewFiles(new File[]{f});
}

public void previewFiles(File[] files) {

for (Spatial s : spatials) {
s.dispose();
}
spatials.clear();

if (files == null || files.length == 0) {
files = new File[]{null};
}

for (File f : files) {
if (f != null && f.isDirectory()) {
throw new IllegalArgumentException("provided files must not contain directories");
}
Spatial s = new Spatial();
s.model = loadModel(f);
spatials.add(s);
s.init();
}

setSpatialLocations();

Spatial s0 = spatials.get(0); // TODO: consistent scaling for all models
if (infoLabel != null) {
if (s0.scalingFactor == 1) {
infoLabel.setText("");
} else {
infoLabel.setText("Scaled to: " + (s0.scalingFactor * 100f) + "%");
}
}

desktopLauncher.setAnimList(s0.model.animations);

//resetCam();
if (label != null)
label.setText("");
}

private void setSpatialLocations() {
int numColumns = MathUtils.ceil((float)Math.sqrt(spatials.size));

Vector3 locationOffset = new Vector3();
int currentColumn = 0;
float largestZ = 0;

for (Spatial s : spatials) {
s.setLocation(locationOffset);
if(currentColumn < numColumns) {
locationOffset.x += s.dimensions.x * 1.05;
currentColumn++;
largestZ = s.dimensions.z > largestZ ? s.dimensions.z : largestZ;
} else {
locationOffset.x = 0;
locationOffset.z += largestZ;
currentColumn = 0;
largestZ = 0;
}
}


}

private Model loadModel(File f) {
if (f == null) {
ModelBuilder modelBuilder = new ModelBuilder();
model = modelBuilder.createBox(5f, 5f, 5f,
return modelBuilder.createBox(5f, 5f, 5f,
new Material(ColorAttribute.createDiffuse(Color.GREEN)),
VertexAttributes.Usage.Position | VertexAttributes.Usage.Normal);
} else {
String absolutePath = f.getAbsolutePath();

if (absolutePath.toLowerCase().endsWith("obj")) {
model = objLoader.loadModel(Gdx.files.absolute(absolutePath));
return objLoader.loadModel(Gdx.files.absolute(absolutePath));
} else if (absolutePath.toLowerCase().endsWith("g3dj")) {
model = g3djModelLoader.loadModel(Gdx.files.absolute(absolutePath));
return g3djModelLoader.loadModel(Gdx.files.absolute(absolutePath));
} else {
model = g3dbModelLoader.loadModel(Gdx.files.absolute(absolutePath));
return g3dbModelLoader.loadModel(Gdx.files.absolute(absolutePath));
}


}


onModelLoaded(model);
}

public void showLoadingText(String text) {
Expand All @@ -161,7 +188,6 @@ public void showLoadingText(String text) {

}


@Override
public void create() {
assetManager = new AssetManager();
Expand All @@ -187,11 +213,7 @@ public void create() {
assetManager.load("loadingFont.ttf", BitmapFont.class, fontParameter);


try {
previewFile(null);
} catch (GdxRuntimeException e) {
e.printStackTrace();
}
previewFiles(new File[]{null, null});


environment = new Environment();
Expand All @@ -204,6 +226,7 @@ public void create() {

@Override
public void render() {
final float delta = Gdx.graphics.getDeltaTime();
if (assetManager.update()) {
if (stage == null && assetManager.isLoaded("loadingFont.ttf")) {
onFontLoaded(assetManager.get("loadingFont.ttf", BitmapFont.class));
Expand All @@ -214,74 +237,26 @@ public void render() {

Gdx.gl.glClear(GL20.GL_COLOR_BUFFER_BIT | GL20.GL_DEPTH_BUFFER_BIT);

if (modelInstance != null) {
if (animController != null) {
animController.update(Gdx.graphics.getDeltaTime());
}
modelBatch.begin(cam);
modelBatch.render(modelInstance, environmentLightingEnabled ? environment : null);
modelBatch.end();
}

if (stage != null)
stage.draw();


}

public void setAnimation(Animation selectedItem) {
if (animController == null)
return;
modelBatch.begin(cam);

if (selectedItem == null) {
animController.setAnimation(null, -1);
} else {
animController.setAnimation(selectedItem.id, -1);
for (Spatial s : spatials) {
s.render(delta, this);
}

modelBatch.end();

}

private void onModelLoaded(Model model) {
this.model = model;
modelInstance = new ModelInstance(model);

Vector3 dimensions = modelInstance.calculateBoundingBox(new BoundingBox()).getDimensions(new Vector3());
float largest = dimensions.x;
if (dimensions.y > largest) largest = dimensions.y;
if (dimensions.z > largest) largest = dimensions.z;
if (largest > 25) {
float s = 25f / largest;
modelInstance.transform.setToScaling(s, s, s);
if (infoLabel != null)
infoLabel.setText("Scaled to: " + (s * 100f) + "%");
} else if (largest < 0.1f) {
float s = 5 / largest;
modelInstance.transform.setToScaling(s, s, s);
if (infoLabel != null)
infoLabel.setText("Scaled to: " + (s * 100f) + "%");
} else {
if (infoLabel != null)
infoLabel.setText("");
if (stage != null) {
stage.draw();
}
}

setBackFaceCulling(backFaceCulling);
setAlphaBlending(alphaBlending);
setAlphaTest(alphaTest);

if (model.animations.size > 0) {
animController = new AnimationController(modelInstance);
desktopLauncher.setAnimList(model.animations);
} else {
desktopLauncher.setAnimList(null);
public void setAnimation(Animation selectedItem) {
if (spatials.size > 0) {
Spatial s = spatials.get(0);
s.setAnimation(selectedItem);
}

//resetCam();
if (label != null)
label.setText("");
}


private void onFontLoaded(BitmapFont font) {
stage = new Stage(new ScreenViewport());

Expand Down Expand Up @@ -317,16 +292,14 @@ public void resize(int width, int height) {
resetCam();
if (stage != null)
stage.getViewport().update(width, height, true);


}

@Override
public void dispose() {
if (modelBatch != null)
modelBatch.dispose();
if (model != null)
model.dispose();
for (Spatial s : spatials)
s.dispose();
if (stage != null)
stage.dispose();
if (assetManager != null)
Expand Down
Loading

0 comments on commit 497fbdd

Please sign in to comment.