Calling a method from another Java file.

Hi,

Please post the entire code of the both java files including package names. Also, i think, you have to create the object for the second java file in the first java file's main method and then invoke the method.

Regards,

Loga

Loga_07a at 2007-7-29 11:43:33 >

Yeah, so this is still pissing me off.I'm not sure what else to do.I've tried this a million different ways, in both eclipse and netbeans.Whatever.Here's the code, I'd love it if someone could point out the boneheaded mistake I'm making.I'm getting a little frustrated at being stuck on such a simple problem.

Main.javaimport com.jme.app.BaseGame;

import com.jme.input.KeyBindingManager;

import com.jme.input.KeyInput;

import com.jme.math.Vector3f;

import com.jme.renderer.Camera;

import com.jme.renderer.ColorRGBA;

import com.jme.scene.Node;

import com.jme.system.DisplaySystem;

import com.jme.system.JmeException;

import com.jme.util.Timer;

import com.jmex.terrain.TerrainBlock;

import resources.*;

public class Main extends BaseGame {

/* General Variable Declaration */

private String scene;// Tells application which scene to load, default loads default scene

private int width, height, depth, freq; // Creates variables to store information

private boolean fullscreen; // on the user's window

private Camera playerCam; // Defines the main camera for the player, first person view

private Timer timer; // Creates a timer to be used for FPS calculations

private Node currentScene; // The basis for building the scene the player is in

private TerrainBlock currentTB; // This variable holds the current landscape

private String playerArea = new String("initial"); // Contains the string

// code for the scene

// the player is in,

// defaults to the opening scene, unless changed by

// the player loading their game

public static void main(String[] args) {

/* Initializes and Starts the Applications. */

Main app = new Main();

app.setDialogBehaviour(ALWAYS_SHOW_PROPS_DIALOG, Main.class.getClassLoader().getResource("img/spunch.jpg"));

app.start();

}

protected void update(float interpolation) {

}

protected void render(float interpolation) {

}

protected void initSystem() {

/*

* Application initialization properties (window, camera, renderer, key

* bindings, etc)

*/

// Stores variables for window properties

width = properties.getWidth();

height = properties.getHeight();

depth = properties.getDepth();

freq = properties.getFreq();

fullscreen = properties.getFullscreen();

// Assigns renderer and creates game window

try {

display = DisplaySystem.getDisplaySystem(properties.getRenderer());

display.createWindow(width, height, depth, freq, fullscreen);

playerCam = display.getRenderer().createCamera(width, height);

} catch (JmeException e) {

e.printStackTrace();

System.exit(1);

}

// Sets background to black, should never be seen anyway

display.getRenderer().setBackgroundColor(ColorRGBA.black);

// Initializes the camera

playerCam.setFrustumPerspective(45.0f, (float) width / (float) height,

1, 1000);

Vector3f loc = new Vector3f(250.0f, 100.0f, 250.0f);

Vector3f left = new Vector3f(-0.5f, 0.0f, 0.5f);

Vector3f up = new Vector3f(0.0f, 1.0f, 0.0f);

Vector3f dir = new Vector3f(-0.5f, 0.0f, -0.5f);

// Moves and orients the camera

playerCam.setFrame(loc, left, up, dir);

// Update the camera since it has been changed

playerCam.update();

// Create a timer for FPS updates

timer = Timer.getTimer();

// Assign the camera as the primary display in the application

display.getRenderer().setCamera(playerCam);

// Initialize the escape key as a way to exit the program

KeyBindingManager.getKeyBindingManager().set("exit",

KeyInput.KEY_ESCAPE);

}

protected void initGame() {

/* Game initialization */

display.setTitle("Slumlords"); // Displays title in window

SceneIndex sIndex = new SceneIndex();

currentTB = sIndex.getActiveTB(playerArea);

currentScene.attachChild(currentTB);

currentScene.updateGeometricState(0.0f, true);

currentScene.updateRenderState();

}

protected void reinit() {

}

protected void cleanup() {

}

}

SceneIndex.javapackage resources;

import javax.swing.ImageIcon;

import com.jme.bounding.BoundingBox;

import com.jme.image.Texture;

import com.jme.math.Vector3f;

import com.jme.scene.state.TextureState;

import com.jme.system.DisplaySystem;

import com.jme.util.TextureManager;

import com.jmex.terrain.TerrainBlock;

import com.jmex.terrain.util.MidPointHeightMap;

import com.jmex.terrain.util.ProceduralTextureGenerator;

public class SceneIndex {

private DisplaySystem display;

public TerrainBlock getActiveTB(String areaCode) {

TerrainBlock tBlock = new TerrainBlock();

if (areaCode == "initial") {

// Generates random terrain data

MidPointHeightMap heightMap = new MidPointHeightMap (64, 1.0f);

// Scale the data

Vector3f terrainScale = new Vector3f(4, 0.0575f, 4);

// Create the terrain block

tBlock = new TerrainBlock("Terrain", heightMap.getSize(), terrainScale, heightMap.getHeightMap(), new Vector3f(0, 0, 0), false);

tBlock.setModelBound(new BoundingBox());

tBlock.updateModelBound();

// Creating a blended texture based on the height map

ProceduralTextureGenerator pTexture = new ProceduralTextureGenerator(heightMap);

pTexture.addTexture(new ImageIcon(SceneIndex.class.getClassLoader().getResource("img/grass.gif")), -128, 0, 128);

pTexture.addTexture(new ImageIcon(SceneIndex.class.getClassLoader().getResource("img/dirt.jpg")), 0, 128, 255);

pTexture.addTexture(new ImageIcon(SceneIndex.class.getClassLoader().getResource("img/granite.jpg")), 128, 255, 384);

pTexture.createTexture(64);

// Assigning the texture to the terrain

TextureState tState = display.getRenderer().createTextureState();

Texture t1 = TextureManager.loadTexture(pTexture.getImageIcon().getImage(), Texture.MM_LINEAR_LINEAR, Texture.FM_LINEAR, true);

tState.setTexture(t1, 0);

tBlock.setRenderState(tState);

}

return tBlock;

}

}

Again, I've tried this a few different ways, and I either get a "Could Not Find Symbol" error referring to the getActiveTB(playerArea); in Main, or it just says java.lang.NoClassDefFoundError: and Exception in thread "main".

Whatever.

SuckerPuncha at 2007-7-29 11:43:33 >

Give the Modifier as Public for the Menthod getActiveTB(Sring areacode)

Public TerrainBlock getActiveTB(String areaCode) {

TerrainBlock tBlock = new TerrainBlock();

return tBlock;

selestin.muthu@sify.coma at 2007-7-29 11:43:33 >