[教程]游戏地图制作

[教程]游戏地图制作 游戏地图制作 package cn.m15.xys; import java.io.InputStream; import android.app.Activity; import android.content.Context; import android.content.res.Resources; import android.graphics.Bitmap; import android.graphics.BitmapFactory; import android.graphics.Canvas; import android.graphics.Paint; import android.os.Bundle; import android.view.View; import android.view.Window; import android.view.WindowManager; public class mapAcitvity extends Activity { @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); // 全屏显示窗口 requestWindowFeature(Window.FEATURE_NO_TITLE); getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSC REEN, WindowManager.LayoutParams.FLAG_FULLSCREEN); // 显示自定义的游戏View setContentView(new MapView(this)); } public class MapView extends View { // tile块的宽高 public final static int TILE_WIDTH = 32; public final static int TILE_HEIGHT = 32; // tile块的宽高的数量 ，手机分辨率是800*480 public final static int TILE_WIDTH_COUNT = 25; public final static int TILE_HEIGHT_COUNT = 15; // 数组元素为0则什么都不画 public final static int TILE_NULL = 0; // 第一层游戏View地图数组 public int[][] mMapView = { { 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 0, 0, 0, 0, 0, 0, 0 }, { 21, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 21, 0, 0, 0, 0, 0, 0, 0 }, { 22, 11, 103, 103, 103, 103, 103, 103, 103, 103, 103, 103, 103, 103, 103, 103, 11, 21, 0, 0, 0, 0, 0, 0, 0 }, { 22, 11, 139, 139, 139, 139, 139, 139, 139, 139, 139, 139, 139, 139, 139, 139, 11, 21, 0, 0, 0, 0, 0, 0, 0 }, { 22, 11, 139, 139, 139, 139, 139, 139, 139, 139, 139, 139, 139, 139, 139, 139, 47, 21, 0, 0, 0, 0, 0, 0, 0 }, { 22, 11, 139, 139, 139, 139, 139, 139, 139, 139, 139, 139, 139, 139, 139, 139, 47, 21, 0, 0, 0, 0, 0, 0, 0 }, { 22, 11, 139, 139, 139, 139, 139, 139, 139, 139, 139, 139, 139, 139, 139, 139, 47, 21, 0, 0, 0, 0, 0, 0, 0 }, { 22, 11, 139, 139, 139, 139, 139, 139, 139, 139, 139, 139, 139, 139, 139, 139, 11, 21, 0, 0, 0, 0, 0, 0, 0 }, { 22, 11, 139, 139, 139, 139, 139, 139, 139, 139, 139, 139, 139, 139, 139, 139, 11, 21, 0, 0, 0, 0, 0, 0, 0 }, { 22, 11, 30, 139, 139, 139, 139, 139, 139, 139, 139, 139, 139, 139, 139, 139, 11, 21, 0, 0, 0, 0, 0, 0, 0 }, { 22, 19, 30, 30, 30, 30, 30, 30, 30, 30, 30, 26, 26, 26, 26, 26, 26, 21, 0, 0, 0, 0, 0, 0, 0 }, { 22, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 0, 0, 0, 0, 0, 0, 0 }, { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 } }; // 第二层游戏实体actor数组 public int[][] mMapAcotor = { { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, { 0, 0, 0, 0, 0, 0, 0, 0, 153, 154, 155, 0, 0, 0, 0, 13, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, { 0, 0, 0, 13, 240, 238, 0, 0, 171, 174, 175, 103, 103, 103, 103, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, { 0, 0, 13, 13, 239, 0, 0, 9, 31, 32, 7, 7, 11, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, { 0, 0, 13, 0, 9, 9, 9, 11, 39, 40, 9, 9, 11, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, { 0, 0, 0, 0, 9, 9, 9, 13, 13, 13, 13, 9, 11, 0, 13, 13, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, { 0, 0, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 } }; // 第三层游戏碰撞物理层数组 // 下一章介绍 // .................... // 游戏地图资源 Bitmap mBitmap = null; // 资源文件 Resources mResources = null; // 游戏画笔 Paint mPaint = null; // 横向纵向tile块的数量 int mWidthTileCount = 0; int mHeightTileCount = 0; // 横向纵向tile块的数量 int mBitMapWidth = 0; int mBitMapHeight = 0; /** * 构造方法 * * @param context */ public MapView(Context context) { super(context); mPaint = new Paint(); mBitmap = ReadBitMap(context, R.drawable.map); mBitMapWidth = mBitmap.getWidth(); mBitMapHeight = mBitmap.getHeight(); mWidthTileCount = mBitMapWidth / TILE_WIDTH; mHeightTileCount = mBitMapHeight / TILE_HEIGHT; } @Override protected void onDraw(Canvas canvas) { DrawMap(canvas, mPaint, mBitmap); super.onDraw(canvas); } private void DrawMap(Canvas canvas, Paint paint, Bitmap bitmap) { int i, j; for (i = 0; i < TILE_HEIGHT_COUNT; i++) { for (j = 0; j < TILE_WIDTH_COUNT; j++) { int ViewID = mMapView[i][j]; int ActorID = mMapAcotor[i][j]; // 绘制地图第一层 if (ViewID > TILE_NULL) { DrawMapTile(ViewID, canvas, paint, bitmap, j * TILE_WIDTH, i * TILE_HEIGHT); } // 绘制地图第二层 if (ActorID > TILE_NULL) { DrawMapTile(ActorID, canvas, paint, bitmap, j * TILE_WIDTH, i * TILE_HEIGHT); } } } } /** * 根据ID绘制一个tile块 * * @param id * @param canvas * @param paint * @param bitmap */ private void DrawMapTile(int id, Canvas canvas, Paint paint, Bitmap bitmap, int x, int y) { // 根据数组中的ID算出在地图资源中的XY 坐标 // 因为编辑器默认0 所以第一张tile的ID不是0而是1 所以 这里 -1 id--; int count = id / mWidthTileCount; int bitmapX = (id - (count * mWidthTileCount)) * TILE_WIDTH; int bitmapY = count * TILE_HEIGHT; DrawClipImage(canvas, paint, bitmap, x, y, bitmapX, bitmapY, TILE_WIDTH, TILE_HEIGHT); } /** * 读取本地资源的图片 * * @param context * @param resId * @return */ public Bitmap ReadBitMap(Context context, int resId) { BitmapFactory.Options opt = new BitmapFactory.Options(); opt.inPreferredConfig = Bitmap.Config.RGB_565; opt.inPurgeable = true; opt.inInputShareable = true; // 获取资源图片 InputStream is = context.getResources().openRawResource(resId); return BitmapFactory.decodeStream(is, null, opt); } /** * 绘制图片中的一部分图片 * * @param canvas * @param paint * @param bitmap * @param x * @param y * @param src_x * @param src_y * @param src_width * @param src_Height */ private void DrawClipImage(Canvas canvas, Paint paint, Bitmap bitmap, int x, int y, int src_x, int src_y, int src_xp, int src_yp) { canvas.save(); canvas.clipRect(x, y, x + src_xp, y + src_yp); canvas.drawBitmap(bitmap, x - src_x, y - src_y, paint); canvas.restore(); } } }