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Java实现warcraft java版游戏的示例代码

Java开发
2023-06-01

致敬经典的warcraft，《warcraft java版》是一款即时战略题材单机游戏，采用魔兽原味风格和机制。本文将用java语言实现，采用了swing技术进行了界面化处理，感兴趣的可以了解一下

前言

致敬经典的warcraft，《warcraft java版》是一款即时战略题材单机游戏，采用魔兽原味风格和机制。收集资源，建造防御工事，消灭所有敌军。

人类：洛丹伦人类联盟自兽人首次穿过黑暗之门时便告成立。他们坚韧不拔，勇敢无畏，身穿坚甲，手握利刃，英勇迎敌。

兽人：兽人是一个粗犷而坚韧的种族，他们身穿简单的皮毛和带有尖刺的皮甲，以肆意凶狠的战斗风格而闻名。

用java语言实现，采用了swing技术进行了界面化处理，设计思路用了面向对象思想。

主要需求

1、玩家可以自己选择阵营：人类（Human）和兽人（Orc）两个阵营可以挑。

2、主要资源：

黄金：黄金在Warcraft 中是主要的资源。黄金被用来建造新的建筑物，训练单位和研究升级。黄金在中立的建筑物也被用来购买雇佣兵，英雄物品，或启用特殊的服务。

木材：木材和黄金类似，也是主要活动的消耗资源之一。所有种族都使用木材生产战争所需的许多不同的结构的武器和机器。

3、建筑系统：

不同建筑的建造成本、时间和目的各不相同。城镇大厅可以训练工人和存放资源，有些建筑可以训练战斗单位，还有的可以让玩家完成科技升级或解锁不同类型的单位。

4、操作系统：

择和移动：使用鼠标左键点击一个单位或建筑，就可以查看相应的状态以及可以下达的指令。选择单位之后，玩家可以通过点击鼠标右键下达移动指令，或者点击界面底部指令面板上的按钮（或按下相应的快捷键）来指挥该单位。

按住鼠标左键并拖拽即可拉出一个矩形的方框，玩家可以通过这种方式选择多个单位，这也被称之为“框选”。选择多个单位之后，玩家可以一次性向所有选中的单位下达指令。玩家还可以按下Tab键来循环切换查看各个单位的指令面板。

编队：选择多个单位或建筑后，玩家可以按下Ctrl+任意数字键，以此将选中的单位编为一队。编队之后，玩家只需要按下该数字键就可以再次选中相应的编队。

功能截图

启动游戏：

配置：

启动游戏界面：

游戏主界面：

开始一个新游戏：

开局一个人，开启种田模式

森林和金矿：

建设防御工事：

属性：

代码实现

启动入口

public class Main {

    public static final String PROGRAM = "Warcraft java版";
    public static final String VERSION = "1.0.0";
    private static final long serialVersionUID = 1L;

    private Main() {
    }

    public static Initializer initialize(boolean jar) {
        if (jar) {
            Media.loadFromJar(Main.class);
        }
        Engine.start(PROGRAM, VERSION, "ressources", true, Theme.SYSTEM);
        return ENGINE.createInitializer(320, 200, 32, 60);
    }

    public static void main(String[] args) {
        boolean jar = false;
        try {
            jar = Boolean.parseBoolean(args[0]);
        } catch (Exception e) {
        }
        Launcher launcher = new Launcher(null, initialize(jar));
        launcher.start();
    }
}

ModelAttacker类

/**
 * Main abstraction representing any unit with the ability of attacking.
 */
public abstract class ModelAttacker extends ModelUnit implements AttackerAbility<Tile, ModelSkill, Attributes> {

    private final List<AbstractEntry<Tile, ModelSkill, Attributes>> guards;
    private int orderX, orderY;
    private boolean assault, riposte;
    private boolean defend;
    private long guardTimer;

    public ModelAttacker(Map map, RessourcesHandler rsch, MediaRessource<BufferedImage> rsc) {
        super(map, rsch, rsc.file, rsc.ressource);
        this.guards = new ArrayList<AbstractEntry<Tile, ModelSkill, Attributes>>(1);
        this.damages.setMin(this.getDataInt("DMG_MIN"));
        this.damages.setMax(this.getDataInt("DMG_MAX"));
        this.riposte = true;
        this.assault = false;
        this.defend = false;
        this.orderX = -1;
        this.orderY = -1;
    }

    public void setDamages(int min, int max) {
        this.damages.setMin(min);
        this.damages.setMax(max);
    }

    @Override
    public void update(Keyboard keyboard, Mouse mouse, float extrp) {
        super.update(keyboard, mouse, extrp);
        this.updateAttack(extrp);
        if (this.isAlive() && (!this.hasTarget() || this.isMoving())) {
            // Reset defense state when its over
            if (this.isDefending() && !this.isAttacking()) {
                this.defend = false;
                this.assault = false;
            }
            // Check guard area when not defending & attacking or assault
            if (!this.isDefending() && (this.assault || (!this.isAttacking() && !this.isMoving()))) {
                if (Maths.time() - this.guardTimer > 500) {
                    if (this.player instanceof AI) {
                        this.guard();
                    } else {
                        if (!this.isMoving()) {
                            this.guard();
                        }
                    }
                    this.guardTimer = Maths.time();
                }
            }
        }
    }

    @Override
    public boolean assignDestination(int tx, int ty) {
        boolean found = super.assignDestination(tx, ty);
        if (this.orderX == -1 && this.assault) {
            this.orderX = tx;
            this.orderY = ty;
        }
        return found;
    }

    public void reAssignDestination() {
        if (this.orderX != -1 && this.orderY != -1) {
            this.stopAttack();
            this.setTarget(null);
            super.assignDestination(this.orderX, this.orderY);
        } else {
            this.stopAttack();
            this.stopMoves();
        }
    }

    @Override
    public void stop() {
        this.stopAttack();
        super.stop();
    }

    protected void guard() {
        int fov = this.getFieldOfView() - 1;
        for (int v = this.getYInTile() - fov; v <= this.getYInTile() + fov; v++) {
            for (int h = this.getXInTile() - fov; h <= this.getXInTile() + fov; h++) {
                try {
                    int eid = this.map.getRef(v, h);
                    if (eid > 0 && eid != this.id) {
                        AbstractEntry<Tile, ModelSkill, Attributes> e = ModelUnit.get(eid);
                        if (e == null) {
                            e = ModelBuilding.get(eid);
                        }
                        if (e.isAlive() && e.isVisible() && e.getOwnerID() != this.getOwnerID() && e.getOwnerID() > 0 && e.isActive()) {
                            this.guards.add(e);
                        }
                    }
                } catch (ArrayIndexOutOfBoundsException e) {
                    continue;
                }
            }
        }
        int min = Integer.MAX_VALUE;
        AbstractEntry<Tile, ModelSkill, Attributes> closest = null;
        for (AbstractEntry<Tile, ModelSkill, Attributes> e : this.guards) {
            int dist = this.getDistance(e);
            // Priority to unit
            if (closest instanceof AbstractBuilding && e instanceof AbstractUnit) {
                min = dist;
                closest = e;
            } else if (!(closest instanceof AbstractUnit && e instanceof AbstractBuilding) || closest == null) {
                if (dist < min) {
                    min = dist;
                    closest = e;
                }
            }
        }
        this.guards.clear();
        if (closest != null) {
            this.guardAction(closest);
        }
    }

    protected void guardAction(AbstractEntry<Tile, ModelSkill, Attributes> e) {
        // Priority to attacker model
        if (this.getTarget() instanceof ModelAttacker && !(e instanceof ModelAttacker)) {
            return;
        }
        this.attack(e);
    }

    @Override
    public void onHit(AbstractEntry<Tile, ModelSkill, Attributes> attacker) {
        super.onHit(attacker);
        if (this.isAlive() && this.riposte) {
            // AI gives priority to unit riposte
            if (attacker instanceof AbstractUnit && this.getTarget() instanceof AbstractBuilding && this.player instanceof AI) {
                this.attack(attacker);
                return;
            }
            // Keep closest target only
            boolean closest = false;
            if (this.hasTarget()) {
                closest = this.getDistance(attacker) < this.getDistance(this.getTarget());
            }
            if ((this.hasTarget() || closest) && this.getOwnerID() != attacker.getOwnerID()) {
                this.attack(attacker);
            }
        }
    }

    @Override
    public void onKilled(AbstractEntry<Tile, ModelSkill, Attributes> attacker) {
        if (this.assault) {
            this.reAssignDestination();
        }
    }

    public void setRiposte(boolean state) {
        this.riposte = state;
    }

    public void setAssault(boolean state) {
        this.assault = state;
    }

    public boolean getAssault() {
        return this.assault;
    }

    public void setDefend(boolean state) {
        this.defend = state;
    }

    public boolean isDefending() {
        return this.defend;
    }

    @Override
    public boolean isPassive() {
        return super.isPassive() && !this.isAttacking();
    }

    public boolean hasTarget() {
        return this.getTarget() != null;
    }
}

ModelUnit类

public abstract class ModelUnit extends AbstractUnit<Tile, ModelSkill, Attributes> {
    
    private static final TreeMap<Integer, ModelUnit> ENTRYS = new TreeMap<Integer, ModelUnit>();
    
    public static ModelUnit get(int id) {
        return ENTRYS.get(id);
    }
    
    public static void clear() {
        ENTRYS.clear();
    }
    
    public static List<ModelUnit> getByOwner(int ownerID) {
        List<ModelUnit> list = new ArrayList<ModelUnit>(1);
        Collection<ModelUnit> c = ENTRYS.values();
        for (ModelUnit u : c) {
            if (u.getOwnerID() == ownerID) {
                list.add(u);
            }
        }
        return list;
    }
    
    private void manage() {
        ENTRYS.put(this.id, this);
    }
    private static final int CORPSE_TIME = 5000;
    private static final int CORPSE_NUMBER = 3;
    private static final int CORPSE_OFFSET = 8;
    private static final Orientation[] orientations = Orientation.values();
    public final Map map;
    public final UnitType type;
    public final Race faction;
    protected Player player;
    private boolean isOnScreen;
    private TiledSprite corpse;
    private long deadTimer, angleTimer, nextAngleTimer;
    private boolean dead;
    private int deadIndex, deadOffset;
    
    public ModelUnit(Map map, RessourcesHandler rsch, String data, BufferedImage surface) {
        super(data, map, surface, new Attributes());
        this.map = map;
        this.type = UnitType.valueOf(this.getDataString("TYPE").toUpperCase());
        this.setFieldOfView(this.getDataInt("FOV"));
        this.setFrame(this.getDataInt("DEFAULT_FRAME"));
        this.setSkipLastFrameOnReverse(true);
        this.faction = Race.valueOf(this.getDataString("FACTION").toLowerCase());
        this.life.setMax(this.getDataInt("MAX_LIFE"));
        this.life.set(this.life.getMax());
        this.addSkill(new Move(0, this));
        this.addSkill(new Stop(1, this));
        this.setSpeed(1.5f, 1.5f);
        this.setLayer(2);
        this.corpse = Drawable.DRAWABLE.loadTiledSprite(rsch.get("CORPSE").ressource, 32, 32);
        this.corpse.load(false);
        this.deadTimer = -1L;
        this.dead = false;
        this.deadIndex = 0;
        if (this.faction == Race.orcs) {
            this.deadOffset = 8;
        } else {
            this.deadOffset = 0;
        }
        this.map.fogOfWar.updateEntryFOV(this);
        this.angleTimer = Maths.time();
        this.nextAngleTimer = Maths.random(0, 2000) + 5000L;
        this.manage();
    }
    
    @Override
    public void place(int tx, int ty) {
        super.place(tx, ty);
        this.map.fogOfWar.updateEntryFOV(this);
    }
    
    @Override
    public void update(Keyboard keyboard, Mouse mouse, float extrp) {
        int otx = this.getXInTile();
        int oty = this.getYInTile();
        
        super.update(keyboard, mouse, extrp);

        // Apply mirror depending of the orientation
        Orientation o = this.getOrientation();
        if (o.ordinal() > 4) {
            if (!this.getMirror()) {
                this.mirror(true);
            }
        } else {
            if (this.getMirror()) {
                this.mirror(false);
            }
        }
        if (!this.isAlive()) {
            // Handle dead corps effect
            if (!this.dead) {
                if (this.deadTimer == -1L) {
                    this.deadTimer = Maths.time();
                }
                if (Maths.time() - this.deadTimer > CORPSE_TIME) {
                    this.setVisibility(false);
                    this.dead = true;
                    this.deadIndex = 0;
                    this.deadTimer = Maths.time();
                }
            } else {
                if (this.deadIndex <= CORPSE_NUMBER && Maths.time() - this.deadTimer > CORPSE_TIME) {
                    this.deadIndex++;
                    this.deadTimer = Maths.time();
                }
            }
            if (this.deadIndex > CORPSE_NUMBER) {
                this.remove();
            }
        } else {
            // Update fog when unit moved
            if (otx != this.getXInTile() || oty != this.getYInTile()) {
                this.map.fogOfWar.updateEntryFOV(this);
            }
            // Apply a random angle unit entry is still idle too much time
            if (this.isPassive() && Maths.time() - this.angleTimer > this.nextAngleTimer) {
                this.setAnimation("IDLE");
                this.setOrientation(orientations[Maths.random(0, orientations.length - 1)]);
                this.angleTimer = Maths.time();
                this.nextAngleTimer = Maths.random(0, 2000) + 5000L;
            }
        }
        if (this.animName != null) {
            CollisionArea area = this.getCollArea(this.animName);
            this.updateCollision(area.getX(), area.getY(), area.getWidth(), area.getHeight());
        } else {
            this.updateCollision(16, 16, 0, 0);
        }
    }
    
    @Override
    public void render(Graphics2D g, Camera camera) {
        super.render(g, camera);
        if (this.dead && this.deadIndex <= CORPSE_NUMBER) {
            int o = 0;
            if (this.getOrientation().ordinal() > 0) {
                o = 4;
            }
            this.corpse.render(g, this.deadIndex + this.deadOffset + o, this.getX() - camera.getX() - CORPSE_OFFSET,
                    this.getY() - camera.getY() - CORPSE_OFFSET);
        }
        if (this.getX() >= camera.getX() && this.getX() <= camera.getX() + 320 && this.getY() >= camera.getY() && this.getY() <= camera.getY() + 200) {
            this.isOnScreen = true;
        } else {
            this.isOnScreen = false;
        }
    }
    
    @Override
    public void setOwnerID(int id) {
        super.setOwnerID(id);
        if (id > 0) {
            this.player = (Player) AbstractPlayer.get(id);
        }
    }
    
    public Player player() {
        return this.player;
    }
    
    @Override
    public void stop() {
        super.stop();
        this.clearIgnoredID();
        this.angleTimer = Maths.time();
    }
    
    @Override
    public void onStartMove() {
        this.setAnimation("MOVE");
    }
    
    @Override
    public void onMove() {
        if (!this.animName.equals("MOVE")) {
            this.setAnimation("MOVE");
        }
    }
    
    @Override
    public void onArrived() {
        this.setAnimation("IDLE");
        this.angleTimer = Maths.time();
    }
    
    @Override
    public void onDied() {
        if (this.getOrientation().ordinal() < 4) {
            this.setOrientation(Orientation.NORTH);
        } else {
            this.setOrientation(Orientation.NORTH_EAST);
        }
        this.setAnimation("DIE");
        this.player.removeUnit(this);
        if (this.isOnScreen()) {
            ControlPanel.playSfx(0, this.faction, SFX.die);
        }
    }
    
    @Override
    public void onSelection() {
        ControlPanel.playSfx(this.getOwnerID(), this.faction, SFX.select);
    }
    
    @Override
    public void onOrderedFail(ModelSkill skill) {
    }
    
    @Override
    public void onKilled(AbstractEntry<Tile, ModelSkill, Attributes> attacker) {
    }
    
    public boolean isPassive() {
        return !this.isMoving();
    }
    
    public boolean isOnScreen() {
        return this.isOnScreen;
    }
}

总结

通过此次的《warcraft java版》游戏实现，让我对swing的相关知识有了进一步的了解，对java这门语言也有了比以前更深刻的认识。

java的一些基本语法，比如数据类型、运算符、程序流程控制和数组等，理解更加透彻。java最核心的核心就是面向对象思想，对于这一个概念，终于悟到了一些。

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本文标题为：Java实现warcraft java版游戏的示例代码

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