/*
* Copyright (c) 2013, Oskar Veerhoek
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* The views and conclusions contained in the software and documentation are those
* of the authors and should not be interpreted as representing official policies,
* either expressed or implied, of the FreeBSD Project.
*/
package future;
import org.lwjgl.LWJGLException;
import org.lwjgl.input.Mouse;
import org.lwjgl.opengl.Display;
import org.lwjgl.opengl.DisplayMode;
import utility.*;
import java.io.File;
import java.io.IOException;
import static org.lwjgl.opengl.GL11.*;
import static org.lwjgl.opengl.GL15.GL_ARRAY_BUFFER;
import static org.lwjgl.opengl.GL15.glBindBuffer;
import static org.lwjgl.opengl.GL20.glDeleteProgram;
import static org.lwjgl.opengl.GL20.glUseProgram;
/** Shows how to add textures to an obj/mtl file. */
public class TextureModel {
private static final String MODEL_LOCATION = "res/models/bunny.obj";
private static final String VERTEX_SHADER_LOCATION = "res/shaders/pixel_phong_lighting.vs";
private static final String FRAGMENT_SHADER_LOCATION = "res/shaders/pixel_phong_lighting.fs";
private static EulerCamera cam;
private static int shaderProgram;
private static int modelDisplayList;
private static Model model;
public static void main(String[] args) {
setUpDisplay();
setUpModel();
setUpCamera();
setUpShaders();
setUpLighting();
while (!Display.isCloseRequested()) {
render();
checkInput();
Display.update();
Display.sync(60);
}
cleanUp();
System.exit(0);
}
private static void checkInput() {
if (Mouse.isGrabbed()) {
cam.processMouse(1, 80, -80);
}
cam.processKeyboard(16, 1, 1, 1);
if (Mouse.isButtonDown(0)) {
Mouse.setGrabbed(true);
} else if (Mouse.isButtonDown(1)) {
Mouse.setGrabbed(false);
}
}
private static void cleanUp() {
glDeleteProgram(shaderProgram);
glDeleteLists(modelDisplayList, 1);
Display.destroy();
}
private static void render() {
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glLoadIdentity();
cam.applyTranslations();
glUseProgram(shaderProgram);
glLight(GL_LIGHT0, GL_POSITION, BufferTools.asFlippedFloatBuffer(cam.x(), cam.y(), cam.z(), 1));
// glBindBuffer(GL_ARRAY_BUFFER, vboVertexHandle);
// glVertexPointer(3, GL_FLOAT, 0, 0L);
// glBindBuffer(GL_ARRAY_BUFFER, vboNormalHandle);
// glNormalPointer(GL_FLOAT, 0, 0L);
// glEnableClientState(GL_VERTEX_ARRAY);
// glEnableClientState(GL_NORMAL_ARRAY);
// glColor3f(0.4f, 0.27f, 0.17f);
// glMaterialf(GL_FRONT, GL_SHININESS, 10f);
glPushMatrix();
glScalef(3, 3, 3);
glTranslatef(0, 0, -2);
glCallList(modelDisplayList);
glPopMatrix();
// glDrawArrays(GL_TRIANGLES, 0, model.getFaces().size() * 3);
// glDisableClientState(GL_VERTEX_ARRAY);
// glDisableClientState(GL_NORMAL_ARRAY);
glBindBuffer(GL_ARRAY_BUFFER, 0);
glUseProgram(0);
}
private static void setUpLighting() {
glShadeModel(GL_SMOOTH);
glEnable(GL_DEPTH_TEST);
glEnable(GL_LIGHTING);
glEnable(GL_LIGHT0);
glLightModel(GL_LIGHT_MODEL_AMBIENT, BufferTools.asFlippedFloatBuffer(new float[]{0.05f, 0.05f, 0.05f, 1f}));
glLight(GL_LIGHT0, GL_POSITION, BufferTools.asFlippedFloatBuffer(new float[]{0, 0, 0, 1}));
glEnable(GL_CULL_FACE);
glCullFace(GL_BACK);
glEnable(GL_COLOR_MATERIAL);
glColorMaterial(GL_FRONT, GL_DIFFUSE);
}
private static void setUpModel() {
try {
model = OBJLoader.loadTexturedModel(new File(MODEL_LOCATION));
model.enableStates();
modelDisplayList = OBJLoader.createTexturedDisplayList(model);
} catch (IOException e) {
e.printStackTrace();
cleanUp();
}
}
private static void setUpShaders() {
shaderProgram = ShaderLoader.loadShaderPair(VERTEX_SHADER_LOCATION, FRAGMENT_SHADER_LOCATION);
}
private static void setUpCamera() {
cam = new EulerCamera((float) Display.getWidth() / (float) Display.getHeight(), -2.19f, 1.36f, 11.45f);
cam.setFieldOfView(70);
cam.applyPerspectiveMatrix();
}
private static void setUpDisplay() {
try {
Display.setDisplayMode(new DisplayMode(640, 480));
Display.setVSyncEnabled(true);
Display.setTitle("VBO Model Demo");
Display.create();
} catch (LWJGLException e) {
System.err.println("The display wasn't initialized correctly. :(");
Display.destroy();
System.exit(1);
}
}
}