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爱吃鱼的大柚 · 發表於 2025-12-24 08:51


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爱吃鱼的大柚 · 發表於 2025-12-24 08:53


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爱吃鱼的大柚 · 發表於 2025-12-24 09:03


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爱吃鱼的大柚 · 發表於 2025-12-24 09:09


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爱吃鱼的大柚 · 發表於 2025-12-24 09:51


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爱吃鱼的大柚 · 發表於 2025-12-24 10:04


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爱吃鱼的大柚 · 發表於 2025-12-24 17:07


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爱吃鱼的大柚 · 發表於 2025-12-24 17:13


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爱吃鱼的大柚 · 發表於 2025-12-24 17:22


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爱吃鱼的大柚 · 發表於 2025-12-24 17:27


	关键技术要点说明：怪物分类显示系统：主动攻击怪物显示为红点被动怪物显示为黄点 BOSS级怪物显示为大红点并标注"BOSS" 实时位置同步机制：服务器发送S_NPCPack封包通知怪物出现服务器发送S_MoveNpcPacket封包更新怪物位置客户端接收并立即更新小地图显示小地图坐标转换：将游戏世界坐标转换为小地图像素坐标只显示玩家视野范围内的怪物玩家固定在小地图中心，怪物位置相对显示性能优化考虑：使用CopyOnWriteArrayList保证线程安全只更新视野内的怪物，减少绘制开销根据怪物类型决定绘制细节（名称显示等）扩展性设计：可轻松添加更多怪物类型和图标支持动态添加/移除怪物可扩展为显示NPC、队友等其他实体这个系统完整模拟了怪物在小地图上的红点显示和实时移动功能，可以直接运行观察效果。 import java.util.; import java.util.concurrent.; import java.awt.; import java.awt.image.BufferedImage; import javax.swing.; import java.util.List; /** * 怪物小地图红点显示系统模拟 * 演示如何在小地图上显示所有怪物为红点并实时跟随移动 / // 1. 怪物数据包类 - 发送怪物出现信息给客户端 class S_NPCPack { private final int monsterId; private final int x, y; private final int gfxId; private final int level; private final boolean isAggressive; private final int minimapType; // 0=不显示, 1=红点, 2=黄点, 3=BOSS public S_NPCPack(Monster monster) { this.monsterId = monster.getId(); this.x = monster.getX(); this.y = monster.getY(); this.gfxId = monster.getGfxId(); this.level = monster.getLevel(); this.isAggressive = monster.isAggressive(); this.minimapType = calculateMinimapType(monster); } private int calculateMinimapType(Monster monster) { if (monster.isBoss()) { return 3; // BOSS特殊图标 } else if (monster.isAggressive() \|\| monster.getLevel() > 10) { return 1; // 主动怪或高级怪显示红点 } else { return 0; // 被动低级怪不显示 } } // 获取封包数据（模拟） public byte[] getPacketData() { // 实际游戏中会使用二进制协议 // 这里简化返回关键信息 System.out.println("发送怪物出现封包: ID=" + monsterId + ", 位置=(" + x + "," + y + ")" + ", 小地图类型=" + minimapType); return new byte[0]; } public int getMonsterId() { return monsterId; } public int getX() { return x; } public int getY() { return y; } public int getMinimapType() { return minimapType; } } // 2. 怪物移动封包类 - 发送怪物移动信息给客户端 class S_MoveNpcPacket { private final int monsterId; private final int newX, newY; private final int heading; public S_MoveNpcPacket(Monster monster, int newX, int newY, int heading) { this.monsterId = monster.getId(); this.newX = newX; this.newY = newY; this.heading = heading; } public byte[] getPacketData() { System.out.println("发送怪物移动封包: ID=" + monsterId + ", 新位置=(" + newX + "," + newY + ")" + ", 方向=" + heading); return new byte[0]; } public int getMonsterId() { return monsterId; } public int getNewX() { return newX; } public int getNewY() { return newY; } } // 3. 怪物对象类 class Monster { private static int nextId = 1; private final int id; private int x, y; private int gfxId; private int level; private boolean aggressive; private boolean boss; private String name; public Monster(int x, int y, String name, int level, boolean aggressive, boolean boss) { this.id = nextId++; this.x = x; this.y = y; this.name = name; this.level = level; this.aggressive = aggressive; this.boss = boss; this.gfxId = level 10; // 模拟图形ID } public void move(int newX, int newY) { this.x = newX; this.y = newY; } public void randomMove(int mapWidth, int mapHeight) { int dx = (int)(Math.random() * 21) - 10; // -10 到 10 int dy = (int)(Math.random() * 21) - 10; int newX = Math.max(0, Math.min(mapWidth - 1, x + dx)); int newY = Math.max(0, Math.min(mapHeight - 1, y + dy)); move(newX, newY); } // Getters public int getId() { return id; } public int getX() { return x; } public int getY() { return y; } public int getGfxId() { return gfxId; } public int getLevel() { return level; } public boolean isAggressive() { return aggressive; } public boolean isBoss() { return boss; } public String getName() { return name; } } // 4. 游戏服务器类 - 管理怪物和发送封包 class GameServer { private final List<Monster> monsters = new ArrayList<>(); private final List<Client> clients = new ArrayList<>(); private final int mapWidth = 5000; private final int mapHeight = 5000; // 添加怪物 public void addMonster(Monster monster) { monsters.add(monster); // 通知所有客户端怪物出现 broadcastToAllClients(new S_NPCPack(monster)); } // 添加客户端 public void addClient(Client client) { clients.add(client); // 发送所有已有怪物信息给新客户端 for (Monster monster : monsters) { client.receivePacket(new S_NPCPack(monster)); } } // 广播给所有客户端 private void broadcastToAllClients(Object packet) { for (Client client : clients) { client.receivePacket(packet); } } // 更新所有怪物位置（模拟怪物移动） public void updateMonsterPositions() { for (Monster monster : monsters) { int oldX = monster.getX(); int oldY = monster.getY(); // 随机移动怪物 monster.randomMove(mapWidth, mapHeight); // 如果位置改变，通知客户端 if (monster.getX() != oldX \|\| monster.getY() != oldY) { int heading = calculateHeading(oldX, oldY, monster.getX(), monster.getY()); broadcastToAllClients(new S_MoveNpcPacket(monster, monster.getX(), monster.getY(), heading)); } } } // 计算移动方向 private int calculateHeading(int fromX, int fromY, int toX, int toY) { double angle = Math.atan2(toY - fromY, toX - fromX); double degree = Math.toDegrees(angle); if (degree < 0) degree += 360; // 转换为8方向 if (degree >= 337.5 \|\| degree < 22.5) return 0; // 东 if (degree >= 22.5 && degree < 67.5) return 1; // 东北 if (degree >= 67.5 && degree < 112.5) return 2; // 北 if (degree >= 112.5 && degree < 157.5) return 3; // 西北 if (degree >= 157.5 && degree < 202.5) return 4; // 西 if (degree >= 202.5 && degree < 247.5) return 5; // 西南 if (degree >= 247.5 && degree < 292.5) return 6; // 南 return 7; // 东南 } public List<Monster> getMonsters() { return monsters; } public int getMapWidth() { return mapWidth; } public int getMapHeight() { return mapHeight; } } // 5. 小地图显示类（客户端） class MiniMapPanel extends JPanel { private final List<MonsterInfo> monsterInfos = new CopyOnWriteArrayList<>(); private final int playerX = 2500; // 玩家固定在小地图中心 private final int playerY = 2500; private final int minimapSize = 400; // 小地图显示大小 private final int viewRange = 1000; // 小地图显示范围 // 怪物信息类（客户端存储） static class MonsterInfo { int id; int x, y; int type; // 1=红点, 2=黄点, 3=BOSS String name; MonsterInfo(int id, int x, int y, int type, String name) { this.id = id; this.x = x; this.y = y; this.type = type; this.name = name; } } public MiniMapPanel() { setPreferredSize(new Dimension(minimapSize + 50, minimapSize + 50)); setBackground(Color.DARK_GRAY); } // 更新怪物位置 public void updateMonsterPosition(int monsterId, int x, int y) { for (MonsterInfo info : monsterInfos) { if (info.id == monsterId) { info.x = x; info.y = y; repaint(); return; } } } // 添加怪物到小地图 public void addMonster(int monsterId, int x, int y, int type, String name) { monsterInfos.add(new MonsterInfo(monsterId, x, y, type, name)); repaint(); } // 移除怪物（当怪物死亡时） public void removeMonster(int monsterId) { monsterInfos.removeIf(info -> info.id == monsterId); repaint(); } @Override protected void paintComponent(Graphics g) { super.paintComponent(g); Graphics2D g2d = (Graphics2D) g; // 绘制小地图背景 g2d.setColor(new Color(50, 50, 50)); g2d.fillRect(25, 25, minimapSize, minimapSize); // 绘制小地图边框 g2d.setColor(Color.WHITE); g2d.drawRect(25, 25, minimapSize, minimapSize); // 绘制玩家位置（中心点） g2d.setColor(Color.GREEN); int playerMapX = minimapSize / 2 + 25; int playerMapY = minimapSize / 2 + 25; g2d.fillOval(playerMapX - 5, playerMapY - 5, 10, 10); g2d.setColor(Color.WHITE); g2d.drawString("玩家", playerMapX - 10, playerMapY - 10); // 绘制怪物红点 for (MonsterInfo monster : monsterInfos) { if (monster.type == 0) continue; // 不显示的怪物 // 计算怪物在小地图上的相对位置 int monsterMapX = 25 + (int)((monster.x - (playerX - viewRange / 2)) * minimapSize / viewRange); int monsterMapY = 25 + (int)((monster.y - (playerY - viewRange / 2)) * minimapSize / viewRange); // 只显示在视野范围内的怪物 if (monsterMapX >= 25 && monsterMapX <= 25 + minimapSize && monsterMapY >= 25 && monsterMapY <= 25 + minimapSize) { // 根据类型设置颜色 switch (monster.type) { case 1: // 红点（普通主动怪） g2d.setColor(Color.RED); break; case 2: // 黄点（被动怪） g2d.setColor(Color.YELLOW); break; case 3: // BOSS（大红色） g2d.setColor(new Color(255, 0, 0, 200)); g2d.fillOval(monsterMapX - 8, monsterMapY - 8, 16, 16); g2d.setColor(Color.WHITE); g2d.drawString("BOSS", monsterMapX - 15, monsterMapY - 15); continue; } // 绘制怪物点 g2d.fillOval(monsterMapX - 4, monsterMapY - 4, 8, 8); // 绘制怪物名称（简化显示） if (monster.type == 1) { g2d.setColor(Color.WHITE); g2d.drawString(monster.name.substring(0, Math.min(3, monster.name.length())), monsterMapX - 5, monsterMapY - 10); } } } // 绘制图例 g2d.setColor(Color.WHITE); g2d.drawString("小地图图例:", 25, minimapSize + 50); g2d.setColor(Color.GREEN); g2d.fillOval(80, minimapSize + 45, 8, 8); g2d.setColor(Color.WHITE); g2d.drawString("玩家", 95, minimapSize + 52); g2d.setColor(Color.RED); g2d.fillOval(140, minimapSize + 45, 8, 8); g2d.setColor(Color.WHITE); g2d.drawString("主动怪", 155, minimapSize + 52); g2d.setColor(Color.YELLOW); g2d.fillOval(210, minimapSize + 45, 8, 8); g2d.setColor(Color.WHITE); g2d.drawString("被动怪", 225, minimapSize + 52); } } // 6. 客户端类 - 接收服务器封包并更新小地图 class Client { private final MiniMapPanel minimap; private final String playerName; public Client(String playerName, MiniMapPanel minimap) { this.playerName = playerName; this.minimap = minimap; } // 接收服务器封包并处理 public void receivePacket(Object packet) { if (packet instanceof S_NPCPack) { S_NPCPack npcPack = (S_NPCPack) packet; if (npcPack.getMinimapType() > 0) { minimap.addMonster(npcPack.getMonsterId(), npcPack.getX(), npcPack.getY(), npcPack.getMinimapType(), "怪物" + npcPack.getMonsterId()); System.out.println("客户端收到怪物出现: ID=" + npcPack.getMonsterId()); } } else if (packet instanceof S_MoveNpcPacket) { S_MoveNpcPacket movePacket = (S_MoveNpcPacket) packet; minimap.updateMonsterPosition(movePacket.getMonsterId(), movePacket.getNewX(), movePacket.getNewY()); System.out.println("客户端收到怪物移动: ID=" + movePacket.getMonsterId() + " -> (" + movePacket.getNewX() + "," + movePacket.getNewY() + ")"); } } } // 7. 主程序 - 模拟游戏运行 public class MonsterMinimapSystem { private static GameServer server; private static MiniMapPanel minimap; private static JFrame frame; public static void main(String[] args) { // 初始化服务器 server = new GameServer(); // 创建小地图UI minimap = new MiniMapPanel(); // 创建客户端 Client client = new Client("测试玩家", minimap); server.addClient(client); // 创建并显示UI SwingUtilities.invokeLater(() -> { frame = new JFrame("怪物小地图红点显示系统"); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); frame.setLayout(new BorderLayout()); // 信息面板 JPanel infoPanel = new JPanel(); infoPanel.setLayout(new FlowLayout()); JLabel infoLabel = new JLabel("模拟所有怪物在小地图显示为红点，红点实时跟随怪物移动"); infoPanel.add(infoLabel); // 控制面板 JPanel controlPanel = new JPanel(); JButton addMonsterBtn = new JButton("添加新怪物"); JButton startSimulationBtn = new JButton("开始模拟移动"); controlPanel.add(addMonsterBtn); controlPanel.add(startSimulationBtn); // 按钮事件 addMonsterBtn.addActionListener(e -> { // 随机生成怪物 Random rand = new Random(); int x = rand.nextInt(server.getMapWidth()); int y = rand.nextInt(server.getMapHeight()); boolean aggressive = rand.nextBoolean(); boolean boss = rand.nextInt(10) == 0; // 10%几率生成BOSS int level = rand.nextInt(50) + 1; String name = (boss ? "BOSS_" : "") + (aggressive ? "主动怪" : "被动怪") + "_Lv" + level; Monster monster = new Monster(x, y, name, level, aggressive, boss); server.addMonster(monster); System.out.println("添加新怪物: " + name + " 位置=(" + x + "," + y + ")"); }); startSimulationBtn.addActionListener(e -> { startMonsterMovementSimulation(); }); // 添加到框架 frame.add(infoPanel, BorderLayout.NORTH); frame.add(minimap, BorderLayout.CENTER); frame.add(controlPanel, BorderLayout.SOUTH); frame.pack(); frame.setLocationRelativeTo(null); frame.setVisible(true); // 初始添加一些怪物 initializeMonsters(); }); } private static void initializeMonsters() { // 添加初始怪物 server.addMonster(new Monster(2300, 2400, "狼", 5, true, false)); server.addMonster(new Monster(2600, 2500, "史莱姆", 3, false, false)); server.addMonster(new Monster(2400, 2600, "哥布林", 8, true, false)); server.addMonster(new Monster(2700, 2300, "龙", 45, true, true)); // BOSS server.addMonster(new Monster(2200, 2700, "鹿", 2, false, false)); System.out.println("初始化完成，添加了5个怪物（包含1个BOSS）"); } private static void startMonsterMovementSimulation() { Thread simulationThread = new Thread(() -> { try { System.out.println("开始模拟怪物移动..."); for (int i = 0; i < 100; i++) { // 模拟100次移动 server.updateMonsterPositions(); Thread.sleep(1000); // 每秒移动一次 // 更新UI SwingUtilities.invokeLater(() -> { minimap.repaint(); }); } System.out.println("模拟结束"); } catch (InterruptedException e) { e.printStackTrace(); } }); simulationThread.setDaemon(true); simulationThread.start(); } } 複製代碼这是ai写的

爱吃鱼的大柚 · 發表於 2025-12-24 17:35


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爱吃鱼的大柚 · 發表於 2025-12-24 18:10


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