J2ME开发技术原理与实践教程

package src; import java.io.*; import java.util.Date; import java.util.Random; import javax.microedition.lcdui.*; class Map { private static int px = 128; private static int py = 128; private static int picx = 13; private static int picy = 13; private static int mx = 10; private static int my = 9; private static int picCount = 14; private Image image[]; private int rolex, roley, selectx, selecty; private boolean flag = false; private int map[][]; private static int e = 255; private Image start; private int imagecount; private boolean load; private boolean flagmap; private int state; private int number; private int cx[], cy[], cmc; private int sx, sy, ex, ey; private boolean clean; static int max = 10; private int level[]; private int num; private boolean timeFlag; private Image end; private int value; public int gamex; private int gameCount; public Map() { rolex = 3; roley = 3; map = new int[my][mx]; cx = new int[my * 3]; cy = new int[my * 3]; for (int y = 0; y < my; y++) { for (int x = 0; x < mx; x++) { map[y][x] = e; } } load = false; clean = false; imagecount = 0; flagmap = false; level = new int[max]; num = 0; timeFlag = false; value = 0; gamex = 0; gameCount = 0; } private int GetGameLevel() { int iV; Date tDate = new Date(); Random tRand = new Random(tDate.getTime()); if ((num == 0) || (num == max)) { iV = Math.abs(tRand.nextInt()) % max; level[0] = iV; num = 1; return iV; } while(true) { iV = Math.abs(tRand.nextInt()) % max; for (int i = 0; i < num; i++) { if (level[i] == iV) break; if (i == (num - 1)) { num++; level[i + 1] = iV; return iV; } } } } public boolean LoadGameLevelMap() { InputStream is = null; int iT; char iC; String strFile; iT = 0; iC = 0; timeFlag = false; end = null; value ++; strFile = "/Res/Data/" + GetGameLevel() + ".llk"; try { is = getClass().getResourceAsStream(strFile); for (int y = 0; y < my; y++) { for (int x = 0; x < mx; x++) { if ((y == 0) || (x == 0) || (y == my - 1) || (x == mx - 1)) { map[y][x] = e; continue; } iT = is.read(); iC = (char) iT; map[y][x] = iC; if (iC < picCount) imagecount++; } } is.close(); } catch (java.io.IOException ex) { ex.printStackTrace(); return false; } flagmap = true; return true; } public boolean LoadGameImage() { String strFileName; if (load) return true; image = new Image[picCount]; strFileName = ""; for (int i = 0; i < picCount; i++) { try { strFileName = "/Res/Icons/" + i + ".png"; image[i] = Image.createImage(strFileName); } catch (java.io.IOException e) { e.printStackTrace(); return false; } } try { start = Image.createImage("/Res/Icons/Statusbar.png"); } catch (java.io.IOException e) { e.printStackTrace(); return false; } load = true; return true; } public void LoadGameEndImg(boolean isSuccessFile) { String strFile; if (isSuccessFile) strFile = "/Res/Icons/End_Success.PNG"; else strFile = "/Res/Icons/End_Failed.PNG"; try { end = Image.createImage(strFile); } catch (java.io.IOException e) { e.printStackTrace(); return; } } public int DrawScreen(Graphics g, int iTimeCount, boolean bCleanFlag,boolean bCleanStart) { int iRtn; iRtn = 0; if (flagmap) { return iRtn; } if ((bCleanFlag) && (bCleanStart == false)) { map[sy][sx] = e; map[ey][ex] = e; clean = false; gameCount += 10; if (imagecount == 0) iRtn = 1; } PaintGameMap(g); PaintCourse(g); PaintStatusBar(g, iTimeCount); if ((bCleanFlag) && (bCleanStart)) { PaintCleanFlag(g); } if (timeFlag) { iRtn = 2; } return iRtn; } public void PaintGameEnd(Graphics g,int iTime) { String strGameAmt,strGameLevelValue,strTime; strTime = String.valueOf(iTime); strGameAmt = String.valueOf(gameCount); strGameLevelValue = String.valueOf(value);; try { g.drawImage(end, 0, 0, Graphics.LEFT | Graphics.TOP); g.setColor(0, 0, 255); g.drawString(strGameLevelValue, 55, 74, 33); g.drawString(strGameAmt, 70, 94, 33); g.drawString(strTime, 80, 114, 33); } catch (Exception ex) { ex.printStackTrace(); } } private void PaintIniMap(Graphics g) { int iy, ihigh; g.setColor(0, 223, 255); iy = state * 8; ihigh = (8 - state) * 18; g.fillRect(0, iy, 128, ihigh); System.out.println("PaintIniMap: " + state); } public void SetIniMapState(int ms) { state = ms; if (ms == 0) { flagmap = false; } System.out.println("SetIniMapState: " + ms); } private void PaintCleanStatus() { System.out.println("sx:" + sx + "/sy:" + sy); System.out.println("ex:" + ex + "/ey:" + ey); for (int i = 0; i < cmc; i++) { System.out.println("x:" + cx[i] + "/y:" + cy[i]); } } public void PaintCleanFlag1(Graphics g) { int tx1, ty1, tx2, ty2; g.setColor(2, 255, 2); tx1 = 0; ty1 = 0; tx2 = 0; ty2 = 0; tx1 = cx[0]; ty1 = cy[0]; for (int i = 1; i < cmc; i++) { tx2 = cx[i]; ty2 = cy[i]; if ((tx1 == tx2) || (ty1 == ty2)) continue; tx2 = cx[i - 1]; ty2 = cy[i - 1]; // up if ((ty1 == 0) && (ty2 == 0)) { if (tx1 == 0) { tx1 = 2; } else if (tx1 == mx - 1) { tx1 = 5 + tx1 * (tx1 - 1) * 13 + (tx1 - 1) * 2 + 2; } else tx1 = 5 + tx1 * (tx1 - 1) * 13 + (tx1 - 1) * 2 + 6; ty1 = 2; if (tx2 == 0) { tx2 = 2; } else if (tx2 == mx - 1) { tx2 = 5 + tx2 * (tx2 - 1) * 13 + (tx2 - 1) * 2 + 2; } else tx2 = 5 + tx2 * (tx2 - 1) * 13 + (tx2 - 1) * 2 + 6; ty2 = 2; // down } else if ((ty1 == my - 1) && (ty2 == my - 1)) { if (tx1 == 0) { tx1 = 2; } else if (tx1 == mx - 1) { tx1 = 5 + tx1 * (tx1 - 1) * 13 + (tx1 - 1) * 2 + 2; } else tx1 = 5 + tx1 * (tx1 - 1) * 13 + (tx1 - 1) * 2 + 6; ty1 = 5 + ty1 * (ty1 - 1) * 13 + (ty1 - 1) * 2 + 2; if (tx2 == 0) { tx2 = 2; } else if (tx2 == mx - 1) { tx2 = 5 + tx2 * (tx2 - 1) * 13 + (tx2 - 1) * 2 + 2; } else tx2 = 5 + tx2 * (tx2 - 1) * 13 + (tx2 - 1) * 2 + 6; ty2 = ty1; // left } else if ((tx1 == 0) && (tx2 == 0)) { if (ty1 == 0) ty1 = 2; else if (ty1 == my - 1) ty1 = 5 + ty1 * (ty1 - 1) * 13 + (ty1 - 1) * 2 + 2; else ty1 = 5 + ty1 * (ty1 - 1) * 13 + (ty1 - 1) * 2 + 6; tx1 = 2; if (ty2 == 0) ty2 = 2; else if (ty2 == my - 1) ty2 = 5 + ty2 * (ty2 - 1) * 13 + (ty2 - 1) * 2 + 2; else ty2 = 5 + ty2 * (ty2 - 1) * 13 + (ty2 - 1) * 2 + 6; tx2 = 2; //right } else if ((tx1 == mx - 1) && (tx2 == mx - 1)) { if (ty1 == 0) ty1 = 2; else if (ty1 == my - 1) ty1 = 5 + ty1 * (ty1 - 1) * 13 + (ty1 - 1) * 2 + 2; else ty1 = 5 + ty1 * (ty1 - 1) * 13 + (ty1 - 1) * 2 + 6; tx1 = 5 + ty1 * (ty1 - 1) * 13 + (ty1 - 1) * 2 + 2; if (ty2 == 0) ty2 = 2; else if (ty2 == my - 1) ty2 = 5 + ty2 * (ty2 - 1) * 13 + (ty2 -