bushred.java

用java开发的一个实施策略游戏源码 值得学习一下

/*
	Netwar
	Copyright (C) 2002  Daniel Grund, Kyle Kakligian, Jason Komutrattananon, & Brian Hibler.
 
	This file is part of Netwar.
 
	Netwar 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 2 of the License, or
	(at your option) any later version.
 
	Netwar 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 Netwar; if not, write to the Free Software
	Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

package netwar.game.object;
import netwar.game.*;
import netwar.utils.*;
import netwar.utils.vectorgraphics.*;

/** Palm tree object. Destroyable obstacle.
 * @author Group N2 - Project Netwar
 * @author Kyle Kakligian
 */
public class BushRed extends Bush {
    // colors
    private static java.awt.Color red = new java.awt.Color(224, 0,0);
    // point list
    private static SelfConvertingPoint _pts2[] = {
        new SelfConvertingPoint(0,         0,        0),
        new SelfConvertingPoint(-2.54509, -0.04361, 2.53887),
        new SelfConvertingPoint(-2.03904, -0.15954, 2.87754),
        new SelfConvertingPoint(-2.24014, -0.55345, 2.58594),
        new SelfConvertingPoint( 0.82447,  2.36969, 2.09345),
        new SelfConvertingPoint( 0.22073,  2.36969, 2.09345),
        new SelfConvertingPoint( 0.54166,  2.54627, 1.72663),
        new SelfConvertingPoint(-2.94813,  0.70831, 1.82138),
        new SelfConvertingPoint(-3.21554,  0.33529, 1.89638),
        new SelfConvertingPoint(-3.14054,  0.34025, 1.45216),
        new SelfConvertingPoint( 0.56498, -1.79133, 0.99609),
        new SelfConvertingPoint( 0.29005, -1.57347, 1.59937),
        new SelfConvertingPoint( 0.85407, -1.49344, 1.49857)};
       
    protected static CoherentPointSet points2 = new CoherentPointSet(_pts.length + _pts2.length);
    protected static GraphicThing appearance2= null;
    protected VirtualCoherentGraphicThing myAppearance2;;

    /** Creates a new instance of PineTree */
    public BushRed() {
    }
	
    /** Initialize the Point3Ds used for this Base.
     * These are the location of the ground-center of the Base in game-space, and
     * the relative locations of the triangle/line vertices relative to that point.
     */
    protected void createVectors() {
        super.createVectors();
        
        if(appearance2 == null) {
            appearance2 = new OrderedGraphicSet( appearance, _pts2.length + 1); 
            ((OrderedGraphicSet)appearance2).add(new GraphicTriangle( _pts2[2], _pts2[1], _pts2[3], red), false); 
            ((OrderedGraphicSet)appearance2).add(new GraphicTriangle( _pts2[5], _pts2[4], _pts2[6], red), false); 
            ((OrderedGraphicSet)appearance2).add(new GraphicTriangle( _pts2[8], _pts2[7], _pts2[9], red), false); 
            ((OrderedGraphicSet)appearance2).add(new GraphicTriangle( _pts2[12], _pts2[11], _pts2[10], red), false); 

            for(int t = 0; t < _pts2.length; t++)
                points2.add(_pts2[t]);
            for(int t = 0; t < _pts.length; t++)
                points2.add(_pts[t]);
        }
        if(netwar.Mapper.theApp != null) myAppearance2 = new VirtualCoherentGraphicThing(appearance2, points2, vr[0], (new java.util.Random()).nextInt(360));
        else myAppearance2 = new VirtualCoherentGraphicThing(appearance2, points2, vr[0], netwar.Netwar.netwar.random.nextInt(360));
    }
    
    /** Returns false, because the tree has no weapon.
     * @return false
     */
    protected boolean aim() {
        return false;
    }
    
    /** Perform the data changes for one frame of animation while dying. */
    protected void animateDie() {
        if(frame == framesToDie()) {
            Hex.getHex(x,y).unreserve();
            Hex.getHex(x,y).leave(this);
            myAppearance2.explode(vr[0]);
        }
        frame--;
        if(frame == 0)
            remove();
    }
    
    /** Perform the data changes for one frame of animation while being made.
     * Pine trees pre-exist: there is no formation animation.
     */
    protected void animateMake() {
    }
    
    /** Draw this GameObject onto GameViewer v, by using v's drawing methods.
     * @param v The GameViewer which will display this GameObject.
     * @see netwar.gui.HexViewer
     */
    public void draw(GameViewer v) {
        myAppearance2.draw(v);
    }
    /** Requests that the GraphicThing(s) used by this object be added to GameViewer v.
     * @param v The GameViewer which will be displaying the object.
     */
    public void addTo(GameViewer v) {
        v.add(myAppearance2);
    }
    public void killGraphics() {
        myAppearance2.kill();
    }
    /** Returns the number of frames of animation for the death sequence.
     * @return 5
     */
    protected int framesToDie() {
        return 10;
    }
    
    /** Returns the number of frames of animation for the creation sequence.
     * @return 0
     */
    protected int framesToMake() {
        return 0;
    }
    
    /** Return the height of this GameObject for selection box and explosion hit calculations.
     * @return 20
     */
    public float getHeight() {
        return 20f;
    }
    
    /** Return the width of this GameObject for selection box and explosion hit calculations.
     * @return 5
     */
    public float getWidth() {
        return 6.2f;
    }
    
    /** Clear the current long-term goal. */
    public void setGoal() {
    }
    
    /** Set the current long-term goal to a GameObject.
     * This is a tree. It does not use the goal system.
     * @param u The GameObject which is the goal.
     */
    public void setGoal(GameObject u) {
    }
    
    /** Set the current long-term goal to a location, at hex coordinate (gx, gy).
     * This is a tree. It does not use the goal system.
     * @param gx The x coordinate of the goal, in hex coords.
     * @param gy The y coordinate of the goal, in hex coords.
     */
    public void setGoal(int gx, int gy) {
    }
    
    /** Perform operations for this time step.
     * Specifically, perform the Point3D transforms for any/all animations,
     * fire at an enemy if possible, and do any required decision making.
     * This is a tree. It is only animated if it is dying.
     */
    protected void update() {
        if(action == 5)
            animateDie();
    }
    
    /** Return the number of frames to wait between firing shots.
     * @return 0
     */
    public int weaponDelay() {
        return 0;
    }
    
    /** Return the square of the maximum weapon range of this GameObject.
     * @return 0
     */
    public float weaponRangeSquared() {
        return 0f;
    }
    
    public boolean isDead() {
        return (action == 5);
    }
    public boolean damageable() {
        return (action != 5);
    }
    /** The tree uses the 'threshold damage system'.
     * If sufficient damage (15 or more) is dealt in one blow,
     * the tree is destroyed.
     */
    public void recieveDamage(int dam) {
        if(dam > 5)
            netwar.gui.HexViewer.getHexViewer().displayString(mess[(new java.util.Random()).nextInt(mess.length)]);
    }
    private static final String mess[] = {"A feeble attempt to destroy one little tree has failed.", "The fruited tree is too strong.", "Don't eat at Freebird's."};
    static final String[] PROPERTIES = {};
    protected String[] PROPERTIES() {
        return PROPERTIES;
    }
    protected String getProperty(int p) {
        switch(p) {
            default:
                Assert.notFalse(false, "getProperty(int) error.");
        }
        return null;
    }
    
    
}