org.jtrfp.mtmx.tools.internal.TruckViewerConfiguration.java Source code

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Here is the source code for org.jtrfp.mtmx.tools.internal.TruckViewerConfiguration.java

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/*
 * This file is part of mtmX.
 *
 * mtmX is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * mtmX is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with mtmX.  If not, see <http://www.gnu.org/licenses/>.
 */
package org.jtrfp.mtmx.tools.internal;

import java.nio.FloatBuffer;

import org.jtrfp.jtrfp.pod.PodFile;
import org.jtrfp.mtmx.AbstractEngineConfiguration;
import org.jtrfp.mtmx.EngineException;
import org.jtrfp.mtmx.draw.TruckDrawer;
import org.jtrfp.mtmx.truck.ITruck;
import org.jtrfp.mtmx.truck.ITruckManager;
import org.lwjgl.BufferUtils;
import org.lwjgl.input.Keyboard;
import org.lwjgl.opengl.GL11;
import org.lwjgl.util.glu.GLU;

public class TruckViewerConfiguration extends AbstractEngineConfiguration {

    private final PodFile podFile;

    private final String truckPath;

    private TruckDrawer truckDrawer;

    private float rot = 0.0f;

    private float rot2 = 0.0f;

    public TruckViewerConfiguration(PodFile podFile, String truckPath) {
        this.podFile = podFile;
        this.truckPath = truckPath;
    }

    @Override
    public void draw() {
        GL11.glClearColor(0.8f, 0.8f, 0.8f, 0.0f);

        GL11.glClear(GL11.GL_COLOR_BUFFER_BIT);
        GL11.glClear(GL11.GL_DEPTH_BUFFER_BIT);

        GL11.glLoadIdentity();
        GLU.gluLookAt(5.0f, 2.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 1.0f, 0.0f);
        GL11.glRotatef(rot, 0.0f, 1.0f, 0.0f);
        GL11.glRotatef(rot2, 1.0f, 0.0f, 0.0f);

        truckDrawer.draw();

        Keyboard.poll();

        while (Keyboard.next()) {
            if (Keyboard.getEventKeyState()) {
                if (Keyboard.getEventKey() == Keyboard.KEY_ESCAPE) {
                    return;
                }
                if (Keyboard.getEventKey() == Keyboard.KEY_RIGHT) {
                    rot -= 15.0f;
                }
                if (Keyboard.getEventKey() == Keyboard.KEY_LEFT) {
                    rot += 15.0f;
                }
                if (Keyboard.getEventKey() == Keyboard.KEY_UP) {
                    rot2 -= 15.0f;
                }
                if (Keyboard.getEventKey() == Keyboard.KEY_DOWN) {
                    rot2 += 15.0f;
                }
                if (Keyboard.getEventKey() == Keyboard.KEY_A) {
                    truckDrawer.setSteerAngle(truckDrawer.getSteerAngle() + 0.1f);
                }
                if (Keyboard.getEventKey() == Keyboard.KEY_D) {
                    truckDrawer.setSteerAngle(truckDrawer.getSteerAngle() - 0.1f);
                }
                if (Keyboard.getEventKey() == Keyboard.KEY_T) {
                    if (truckDrawer.getRenderMode() == GL11.GL_POLYGON) {
                        truckDrawer.setRenderMode(GL11.GL_LINE_LOOP);
                    } else {
                        truckDrawer.setRenderMode(GL11.GL_POLYGON);
                    }
                }
            }
        }
    }

    @Override
    public void initLight() {
        GL11.glEnable(GL11.GL_LIGHTING);

        float[] vec = new float[] { 1.0f, 1.0f, 1.0f, 1.0f };
        // XXX: FloatBuffer must have 4 additional floats free
        FloatBuffer diffBuffer = BufferUtils.createFloatBuffer(vec.length + 4);
        diffBuffer.put(vec);
        GL11.glLight(GL11.GL_LIGHT0, GL11.GL_AMBIENT_AND_DIFFUSE, diffBuffer);
        GL11.glEnable(GL11.GL_LIGHT0);

        GL11.glShadeModel(GL11.GL_FLAT);
    }

    @Override
    public void initResources() throws EngineException {
        ITruckManager tm = getEngine().getResourceManager().getTruckManager();
        ITruck truck = tm.load(podFile, truckPath);
        truckDrawer = new TruckDrawer(getEngine(), truck);
    }

    @Override
    public void initView() {
        GL11.glMatrixMode(GL11.GL_PROJECTION);
        GL11.glLoadIdentity();
        GL11.glFrustum(-1.0, 1.0, -1.0, 1.0, 1.5, 25.0);
        GL11.glMatrixMode(GL11.GL_MODELVIEW);

        //GL11.glClearDepth(0.5f);
        GL11.glEnable(GL11.GL_DEPTH_TEST);
        GL11.glCullFace(GL11.GL_BACK);
        GL11.glEnable(GL11.GL_CULL_FACE);
        GL11.glEnable(GL11.GL_TEXTURE_2D);
    }

}