/**
* The main method takes all the parameters and assumes they are input files for the ray tracer.
* It tries to render each one and write it out to a PNG file named <input_file>.png. A '-p'
* option may be passed in to change the path that is prepended to each file that is included.
*
* @param args
*/
public static final void main(String[] args) {
ArrayList<ScenePath> pathArgs = new ArrayList<>();
ArrayList<ScenePath> scenesToRender = new ArrayList<>();
String currentRoot = directory;
// Use All The Arguments
for (int i = 0; i < args.length; i++) {
switch (args[i].toLowerCase()) {
case "-p":
// Use A Different Root Path
i++;
if (i < args.length) currentRoot = args[i];
break;
case "-pnull":
// Use The CWD
currentRoot = null;
break;
default:
// This Must Be A File
pathArgs.add(new ScenePath(currentRoot, args[i]));
break;
}
}
if (pathArgs.size() < 1) {
// Attempt To Render All The Scenes
pathArgs.add(new ScenePath(currentRoot, "."));
// Display What's Going To Go Down
printUsage();
System.out.println("\nAttempting To Render All Scenes");
}
// Expand All The Possible Scenes
for (ScenePath p : pathArgs) {
// Add All The Files In The
File f = p.file.toFile();
if (f.isDirectory()) {
for (File _f : f.listFiles()) {
// We Only Want XML Files
if (!_f.getPath().endsWith(".xml")) continue;
scenesToRender.add(new ScenePath(p.getRoot(), _f.toPath().toAbsolutePath().toString()));
}
} else {
// We Only Want XML Files
if (!f.getPath().endsWith(".xml")) continue;
// Just A Single Scene
scenesToRender.add(p);
}
}
System.out.println("Attempting To Render " + scenesToRender.size() + " Scene(s)");
RayTracer rayTracer = new RayTracer();
rayTracer.run(scenesToRender);
}
/**
* The run method takes all the parameters and assumes they are input files for the ray tracer. It
* tries to render each one and write it out to a PNG file named <input_file>.png.
*
* @param args
*/
public void run(ArrayList<ScenePath> args) {
Parser parser = new Parser();
for (ScenePath p : args) {
// Set The Current Workspace For The Scene
sceneWorkspace = p;
// Parse the input file
Scene scene = (Scene) parser.parse(sceneWorkspace.getFile(), Scene.class);
// Create the acceleration structure.
ArrayList<Surface> renderableSurfaces = new ArrayList<Surface>();
List<Surface> surfaces = scene.getSurfaces();
for (Iterator<Surface> iter = surfaces.iterator(); iter.hasNext(); ) {
iter.next().appendRenderableSurfaces(renderableSurfaces);
}
scene.setSurfaces(renderableSurfaces);
// Render the scene
renderImage(scene);
// Write the image out
scene.getImage().write(sceneWorkspace.getFile() + ".png");
}
}