?? rmssystem.java
字號:
/**
* <p>
* Title:RMSSystem
* </p>
* <p>
* Description:手機RMS系統的設計，用來存儲分數
* </p>
* <p>
* Copyright: Copyright (c) 2005
* </p>
* <p>
* Company:
* </p>
* 非作者授權，請勿用于商業用途。
* @author bruce.fine@gmail.com
* @version 1.0
*/
import javax.microedition.rms.*;
public class RMSSystem {
/**
* 建立RMSSystem系統 主要存儲當前關卡與分數
*/
public static void init() {
// 創建N個名次
try {
RecordStore hsRecorder = RecordStore.openRecordStore(
Consts.SSTR_RMS_NAME, true);
if (hsRecorder.getVersion() == 0) {
// 如果是第一次使用
// 寫入當前關卡數
int currentLevelId = 0;
if (Consts.SIS_DEBUG) {
currentLevelId = Consts.SN_ABS_MAX_LEVEL;
}
byte bytes[] = longToBytes(currentLevelId);
hsRecorder.addRecord(bytes, 0, bytes.length);
// 寫入每一個關卡的分數
bytes = new byte[8 * (Consts.SN_ABS_MAX_LEVEL + 1)];
for (int i = 0; i <= Consts.SN_ABS_MAX_LEVEL; i++) {
byte[] bBytes = longToBytes(0);
for (int j = 0; j < bBytes.length; j++) {
bytes[i * 8 + j] = bBytes[j];
}
}
hsRecorder.addRecord(bytes, 0, bytes.length);
// Sound on off
bytes = new byte[1];
bytes[0] = 1;
hsRecorder.addRecord(bytes, 0, bytes.length);
// 背景
bytes = new byte[1];
bytes[0] = 0;
hsRecorder.addRecord(bytes, 0, bytes.length);
// 難度
bytes = new byte[1];
bytes[0] = 0;
hsRecorder.addRecord(bytes, 0, bytes.length);
}
hsRecorder.closeRecordStore();
} catch (Exception ex) {
// System.out.println("rms init: " + ex.getMessage());
}
}
//
public static int getBackId() {
int flag = 0;
try {
RecordStore hsRecorder = RecordStore.openRecordStore(
Consts.SSTR_RMS_NAME, true);
if (hsRecorder.getVersion() == 0) {
} else {
byte[] bytes = new byte[1];
hsRecorder.getRecord(4, bytes, 0);
flag = bytes[0];
}
hsRecorder.closeRecordStore();
} catch (Exception ex) {
System.out.println("rms s: " + ex.getMessage());
}
return flag;
}
//
public static int getEasyHardId() {
int flag = 0;
try {
RecordStore hsRecorder = RecordStore.openRecordStore(
Consts.SSTR_RMS_NAME, true);
if (hsRecorder.getVersion() == 0) {
} else {
byte[] bytes = new byte[1];
hsRecorder.getRecord(5, bytes, 0);
flag = bytes[0];
}
hsRecorder.closeRecordStore();
} catch (Exception ex) {
System.out.println("rms s: " + ex.getMessage());
}
return flag;
}
//
public static boolean isSoundOn() {
boolean flag = false;
try {
RecordStore hsRecorder = RecordStore.openRecordStore(
Consts.SSTR_RMS_NAME, true);
if (hsRecorder.getVersion() == 0) {
} else {
byte[] bytes = new byte[1];
hsRecorder.getRecord(3, bytes, 0);
if (bytes[0] == 0) {
flag = false;
} else {
flag = true;
}
}
hsRecorder.closeRecordStore();
} catch (Exception ex) {
System.out.println("rms s: " + ex.getMessage());
}
return flag;
}
public static void saveSound(boolean srcSound) {
try {
RecordStore hsRecorder = RecordStore.openRecordStore(
Consts.SSTR_RMS_NAME, true);
if (hsRecorder.getVersion() == 0) {
} else {
byte[] bytes = new byte[1];
if (srcSound) {
bytes[0] = 1;
} else {
bytes[0] = 0;
}
hsRecorder.setRecord(3, bytes, 0, bytes.length);
}
hsRecorder.closeRecordStore();
} catch (Exception ex) {
// System.out.println("rms slel: " + ex.getMessage());
}
}
public static void saveBackId(int id) {
try {
RecordStore hsRecorder = RecordStore.openRecordStore(
Consts.SSTR_RMS_NAME, true);
if (hsRecorder.getVersion() == 0) {
} else {
byte[] bytes = new byte[1];
bytes[0] = (byte) id;
hsRecorder.setRecord(4, bytes, 0, bytes.length);
}
hsRecorder.closeRecordStore();
} catch (Exception ex) {
// System.out.println("rms slel: " + ex.getMessage());
}
}
public static void saveEasyHardId(int id) {
try {
RecordStore hsRecorder = RecordStore.openRecordStore(
Consts.SSTR_RMS_NAME, true);
if (hsRecorder.getVersion() == 0) {
} else {
byte[] bytes = new byte[1];
bytes[0] = (byte) id;
hsRecorder.setRecord(5, bytes, 0, bytes.length);
}
hsRecorder.closeRecordStore();
} catch (Exception ex) {
// System.out.println("rms slel: " + ex.getMessage());
}
}
/**
* 獲得當前打開的關卡
*/
public static int loadLevelOpened() {
int bLevelId = 0;
try {
RecordStore hsRecorder = RecordStore.openRecordStore(
Consts.SSTR_RMS_NAME, true);
if (hsRecorder.getVersion() == 0) {
} else {
byte[] bytes = new byte[8];
hsRecorder.getRecord(1, bytes, 0);
bLevelId = (int) bytesToLong(bytes);
}
hsRecorder.closeRecordStore();
} catch (Exception ex) {
// System.out.println("rms oplel: " + ex.getMessage());
}
return bLevelId;
}
/**
*
*/
public static void saveLevelOpened(int nLevelId) {
try {
RecordStore hsRecorder = RecordStore.openRecordStore(
Consts.SSTR_RMS_NAME, true);
if (hsRecorder.getVersion() == 0) {
} else {
byte[] bytes = new byte[8];
hsRecorder.getRecord(1, bytes, 0);
long value = bytesToLong(bytes);
if (value < nLevelId) {
bytes = longToBytes(nLevelId);
hsRecorder.setRecord(1, bytes, 0, bytes.length);
}
}
hsRecorder.closeRecordStore();
} catch (Exception ex) {
// System.out.println("rms slel: " + ex.getMessage());
}
}
/***/
public static long[] loadHighScoresPerLevel() {
long longHighScore[] = new long[Consts.SN_ABS_MAX_LEVEL + 1];
try {
RecordStore hsRecorder = RecordStore.openRecordStore(
Consts.SSTR_RMS_NAME, true);
if (hsRecorder.getVersion() == 0) {
} else {
byte[] bytes = new byte[(Consts.SN_ABS_MAX_LEVEL + 1) * 8];
hsRecorder.getRecord(2, bytes, 0);
for (int i = 0; i <= Consts.SN_ABS_MAX_LEVEL; i++) {
byte[] bBytes = new byte[8];
for (int j = 0; j < bBytes.length; j++) {
bBytes[j] = bytes[i * 8 + j];
}
longHighScore[i] = bytesToLong(bBytes);
}
}
hsRecorder.closeRecordStore();
} catch (Exception ex) {
// System.out.println("rms ichi: " + ex.getMessage());
}
return longHighScore;
}
/***/
public static void saveHighScoreByLevel(int levelId, long highScore) {
byte[] bytes = new byte[(Consts.SN_ABS_MAX_LEVEL + 1) * 8];
try {
RecordStore hsRecorder = RecordStore.openRecordStore(
Consts.SSTR_RMS_NAME, true);
if (hsRecorder.getVersion() == 0) {
} else {
hsRecorder.getRecord(2, bytes, 0);
}
byte[] bBytesTemp = longToBytes(highScore);
for (int i = 0; i < bBytesTemp.length; i++) {
bytes[levelId * 8 + i] = bBytesTemp[i];
}
hsRecorder.setRecord(2, bytes, 0, bytes.length);
hsRecorder.closeRecordStore();
} catch (Exception ex) {
// System.out.println("rms hl: " + ex.getMessage());
}
}
public static byte[] longToBytes(long seed) {
byte tempByte[] = new byte[8];
tempByte[0] = (byte) ((seed >> 56) & 0x00000000000000FF);
tempByte[1] = (byte) ((seed >> 48) & 0x00000000000000FF);
tempByte[2] = (byte) ((seed >> 40) & 0x00000000000000FF);
tempByte[3] = (byte) ((seed >> 32) & 0x00000000000000FF);
tempByte[4] = (byte) ((seed >> 24) & 0x00000000000000FF);
tempByte[5] = (byte) ((seed >> 16) & 0x00000000000000FF);
tempByte[6] = (byte) ((seed >> 8) & 0x00000000000000FF);
tempByte[7] = (byte) ((seed) & 0x00000000000000FF);
return tempByte;
}
public static long bytesToLong(byte[] seeds) {
long tempLong = 0x0000000000000000;
tempLong |= (((long) (seeds[0])) << 56) & 0xFF000000;
tempLong |= (((long) (seeds[1])) << 48) & 0x00FF0000;
tempLong |= (((long) (seeds[2])) << 40) & 0x0000FF00;
tempLong |= (((long) (seeds[3])) << 32) & 0x000000FF;
tempLong |= (((long) (seeds[4])) << 24) & 0xFF000000;
tempLong |= (((long) (seeds[5])) << 16) & 0x00FF0000;
tempLong |= (((long) (seeds[6])) << 8) & 0x0000FF00;
tempLong |= (((long) (seeds[7]))) & 0x000000FF;
return tempLong;
}
/**
* 清空
*/
public static void clearRecords() {
try {
RecordStore hsRecorder = RecordStore.openRecordStore(
Consts.SSTR_RMS_NAME, true);
byte bytes[] = longToBytes(0);
hsRecorder.setRecord(1, bytes, 0, bytes.length);
// 寫入每一個關卡的分數
bytes = new byte[8 * (Consts.SN_ABS_MAX_LEVEL + 1)];
for (int i = 0; i <= Consts.SN_ABS_MAX_LEVEL; i++) {
byte[] bBytes = longToBytes(0);
for (int j = 0; j < bBytes.length; j++) {
bytes[i * 8 + j] = bBytes[j];
}
}
hsRecorder.setRecord(2, bytes, 0, bytes.length);
hsRecorder.closeRecordStore();
} catch (Exception ex) {
// System.out.println("cl rsm:" + ex.getMessage());
} // try-catch
}
}
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