com.mbrlabs.mundus.assets.FbxConv.java Source code

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Here is the source code for com.mbrlabs.mundus.assets.FbxConv.java

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/*
 * Copyright (c) 2016. See AUTHORS file.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.mbrlabs.mundus.assets;

import com.badlogic.gdx.Gdx;
import com.mbrlabs.mundus.utils.Callback;
import com.mbrlabs.mundus.utils.Log;
import com.mbrlabs.mundus.utils.Os;
import com.mbrlabs.mundus.utils.OsNotSupported;

import org.apache.commons.io.FilenameUtils;
import org.apache.commons.io.IOUtils;
import org.apache.commons.lang3.SystemUtils;

import java.io.IOException;
import java.util.ArrayList;
import java.util.List;

/**
 * Wrapper around the command line program fbx-conv.
 *
 * Converts FBX & Collada (dae) 3D files into the g3db/g3dj format. Supports
 * Linux, Windows & Mac.
 *
 * @author Marcus Brummer
 * @version 24-11-2015
 */
public class FbxConv {

    private final String TAG = FbxConv.class.getSimpleName();

    public static final int OUTPUT_FORMAT_G3DB = 0;
    public static final int OUTPUT_FORMAT_G3DJ = 1;

    private Os os;
    private ProcessBuilder pb;

    private boolean verbose = false;
    private boolean flipTexture = false;
    private int outputFormat = 0;
    private String input = null;
    private String output = null;

    private String fbxBinary;

    public FbxConv(String fbxBinary) {
        this.fbxBinary = fbxBinary;
        if (SystemUtils.IS_OS_MAC) {
            os = Os.MAC;
        } else if (SystemUtils.IS_OS_WINDOWS) {
            os = Os.WINDOWS;
        } else if (SystemUtils.IS_OS_LINUX) {
            os = Os.LINUX;
        } else {
            throw new OsNotSupported();
        }

        pb = new ProcessBuilder(fbxBinary);
    }

    public void setFbxBinary(String path) {
        this.fbxBinary = path;
    }

    public void clear() {
        outputFormat = OUTPUT_FORMAT_G3DB;
        verbose = false;
        flipTexture = false;
        input = null;
        output = null;
        pb = new ProcessBuilder(fbxBinary);
    }

    public FbxConv input(String pathToFile) {
        this.input = pathToFile;
        return this;
    }

    public FbxConv output(String pathToFolder) {
        this.output = pathToFolder;
        return this;
    }

    public FbxConv flipTexture(boolean flip) {
        this.flipTexture = flip;
        return this;
    }

    public FbxConv verbose(boolean verbose) {
        this.verbose = verbose;
        return this;
    }

    public FbxConv outputFormat(int format) {
        this.outputFormat = format;
        return this;
    }

    public FbxConvResult execute() {
        FbxConvResult result = new FbxConvResult();
        if (input == null || output == null) {
            result.setSuccess(false);
            result.setResultCode(FbxConvResult.RESULT_CODE_PARAM_ERROR);
            Log.error(TAG, "FbxCov input or output not defined");
            return result;
        }

        if (!input.endsWith("fbx")) {
            result.setSuccess(false);
            result.setResultCode(FbxConvResult.RESULT_CODE_WRONG_INPUT_FORMAT);
            Log.error(TAG, "FbxCov input format not supported");
        }

        // build arguments
        String outputFilename = FilenameUtils.getBaseName(input);
        List<String> args = new ArrayList<String>(6);
        if (flipTexture)
            args.add("-f");
        if (verbose)
            args.add("-v");
        if (outputFormat == OUTPUT_FORMAT_G3DJ) {
            args.add("-o");
            args.add("g3dj");
            outputFilename += ".g3dj";
        } else {
            outputFilename += ".g3db";
        }

        args.add(input);
        String path = FilenameUtils.concat(output, outputFilename);
        args.add(path);
        Log.debug("FbxConv", "Command: " + args);
        pb.command().addAll(args);

        // execute fbx-conv process
        try {
            Process process = pb.start();
            int exitCode = process.waitFor();
            String log = IOUtils.toString(process.getInputStream());

            if (exitCode == 0 && !log.contains("ERROR")) {
                result.setSuccess(true);
                result.setOutputFile(path);
            }
            result.setLog(log);

        } catch (IOException e) {
            e.printStackTrace();
            result.setSuccess(false);
            result.setResultCode(FbxConvResult.RESULT_CODE_IO_ERROR);
        } catch (InterruptedException e) {
            e.printStackTrace();
            result.setSuccess(false);
            result.setResultCode(FbxConvResult.RESULT_CODE_INTERRUPTED);
        }

        return result;
    }

    public void execute(final Callback<FbxConvResult> callback) {
        new Thread() {
            @Override
            public void run() {
                final FbxConvResult result = execute();
                Gdx.app.postRunnable(new Runnable() {
                    @Override
                    public void run() {
                        callback.done(result);
                    }
                });
            }
        }.start();
    }

    /**
     * Process result
     */
    public class FbxConvResult {
        public static final int RESULT_CODE_PARAM_ERROR = 0;
        public static final int RESULT_CODE_WRONG_INPUT_FORMAT = 1;
        public static final int RESULT_CODE_IO_ERROR = 2;
        public static final int RESULT_CODE_INTERRUPTED = 3;

        private String log;
        private String outputFile;
        private boolean success = false;
        private int resultCode;

        public String getLog() {
            return log;
        }

        public void setLog(String log) {
            this.log = log;
        }

        public String getOutputFile() {
            return outputFile;
        }

        public void setOutputFile(String outputFile) {
            this.outputFile = outputFile;
        }

        public boolean isSuccess() {
            return success;
        }

        public void setSuccess(boolean success) {
            this.success = success;
        }

        public int getResultCode() {
            return resultCode;
        }

        public void setResultCode(int resultCode) {
            this.resultCode = resultCode;
        }
    }

}