📄 bnb_popo.java
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import javax.microedition.lcdui.Graphics;
import javax.microedition.lcdui.Image;
import javax.microedition.lcdui.game.Sprite;
import javax.microedition.lcdui.game.TiledLayer;
public final class BnB_Popo extends Sprite
{
public int cols; //行号
public int rows;//列号
public int time;//爆炸时间
public int length;//爆炸长度;
public boolean isCollide;//是否设定泡泡和玩家碰撞检测的标志；
public boolean isDetonate;//是否爆炸的标志；
public boolean isShow;//是否显示的标志；
public static final int WIDTH = 16;// 图片长和宽
private long lastTime, intervalTime;
public static int popo;//泡泡记数器；
public boolean isL, isR, isD, isU;
public BnB_Popo(Image img, int w, int h)
{
super(img, w, h);
}
public final void setPopo(int cols, int rows, int length)
{
this.isL = true;
this.isR = true;
this.isD = true;
this.isU = true;
this.isDetonate = false;
this.isCollide = false;
this.cols = cols;
this.rows = rows;
this.length = length;
this.setPosition(Tools.toCoordinate(cols), Tools.toCoordinate(rows));
this.isShow = true;
this.time = 4000;
this.setVisible(true);
}
/**
* @方法说明:是否连爆的检测；
*/
public final void detectCannonry(BnB_Popo other)
{
if (this.isVisible() && other.isVisible())
{
if (this.cols == other.cols)
{
int temprows = this.rows > other.rows ? (this.rows - other.rows)
: (other.rows - this.rows);
if ((this.length + other.length) >= temprows)
{
if (this.time > other.time)
{
this.setTime(other.time);
}
else
{
other.setTime(this.time);
}
}
}
else if (this.rows == other.rows)
{
int tempcols = this.cols > other.cols ? (this.cols - other.cols)
: (other.cols - this.cols);
if ((this.length + other.length) >= tempcols)
{
if (this.time > other.time)
{
this.setTime(other.time);
}
else
{
other.setTime(this.time);
}
}
}
}
}
/***
* @方法说明:检测两个泡泡之间是否有障碍
* @return true 为没有障碍
*/
public final boolean isExpedite(TiledLayer tl, int cols, int rows)
{
if (this.cols == cols)
{
if (this.rows > rows)
{
if (this.rows - rows == 1)
{
return true;
}
for (int i = rows + 1; i < this.rows; i++)
{
if (tl.getCell(this.cols, i) > 10)
{
return false;
}
}
return true;
}
if (this.rows < rows)
{
if (rows - this.rows == 1)
{
return true;
}
for (int i = this.rows - 1; i < rows; i++)
{
if (tl.getCell(this.cols, i) > 10)
{
return false;
}
}
return true;
}
}
else if (this.rows == rows)
{
if (this.cols > cols)
{
if (this.cols - cols == 1)
{
return true;
}
for (int i = cols + 1; i < this.cols; i++)
{
if (tl.getCell(i, this.rows) > 10)
{
return false;
}
}
return true;
}
if (this.cols < cols)
{
if (cols - this.cols == 1)
{
return true;
}
for (int i = this.cols + 1; i < cols; i++)
{
if (tl.getCell(i, this.rows) > 10)
{
return false;
}
}
return true;
}
}
return false;
}
private final void setTime(int time)
{
this.time = time;
}
/***
* @方法说明:水柱和障碍层的碰撞检测，有几率出现道具卡片和坐骑；
*/
private final void collidesWith(TiledLayer tl, int cols, int rows, int face)
{
switch (tl.getCell(cols, rows))
{
case 0:
break;
case 1:
case 2:
case 3:
case 4:
case 5:
case 6:
case 7:
case 8:
case 9:
case 10:
tl.setCell(cols, rows, 0);
break;
case 11:
case 12:
case 13:
case 14:
switch (face)
{
case 1:
isU = false;
break;
case 2:
isD = false;
break;
case 3:
isL = false;
break;
case 4:
isR = false;
break;
}
break;
case 15:
case 16:
case 17:
case 18:
case 19:
case 20:
case 21:
case 22:
case 23:
switch (Tools.getRandom(20))
//道具出现几率
{
case 1:
tl.setCell(cols, rows, 1);
break;
case 2:
tl.setCell(cols, rows, 2);
break;
case 3:
tl.setCell(cols, rows, 3);
break;
case 4:
tl.setCell(cols, rows, 4);
break;
case 5:
tl.setCell(cols, rows, 5);
break;
case 6:
tl.setCell(cols, rows, 6);
break;
case 7:
tl.setCell(cols, rows, 7);
break;
case 8:
tl.setCell(cols, rows, 8);
break;
case 9:
tl.setCell(cols, rows, 9);
break;
case 10:
tl.setCell(cols, rows, 10);
break;
case 11:
tl.setCell(cols, rows, 1);
break;
case 12:
tl.setCell(cols, rows, 2);
break;
case 13:
tl.setCell(cols, rows, 3);
break;
default:
tl.setCell(cols, rows, 0);
break;
}
switch (face)
{
case 1:
isU = false;
break;
case 2:
isD = false;
break;
case 3:
isL = false;
break;
case 4:
isR = false;
break;
}
break;
}
}
/**
* @方法说明:画出水柱，从四个方向；
*/
public final void paintPopo(Graphics g, Image img, TiledLayer tt)
{
if (this.time > 0)
{
this.time -= 100;
if (time <= 0)
{
this.isDetonate = true;
this.setVisible(false);
}
if (isNextFrame(300))
{
this.nextFrame();
}
this.paint(g);
}
else
{
int uprows = rows - 1;
int downrows = rows + 1;
int leftcols = cols - 1;
int rightcols = cols + 1;
Tools.paintClip(g, img, Tools.toCoordinate(cols), Tools
.toCoordinate(rows), 128, 0, WIDTH, WIDTH);
for (int i = 0; uprows >= 2 && isU && i < length; i++)
{
collidesWith(tt, cols, uprows, 1);
if (isU)
{//向上////////////////////////////////////////
if (i < length - 1)
{
Tools.paintClip(g, img, Tools.toCoordinate(cols), Tools
.toCoordinate(uprows), 16, 0, WIDTH, WIDTH);
}
else
{
Tools.paintClip(g, img, Tools.toCoordinate(cols), Tools
.toCoordinate(uprows), 0, 0, WIDTH, WIDTH);
}
uprows--;
}
}
for (int i = 0; downrows <= 9 && isD && i < length; i++)
{
collidesWith(tt, cols, downrows, 2);
if (isD)
{//向下/////////////////////////////////////
if (i < length - 1)
{
Tools.paintClip(g, img, Tools.toCoordinate(cols), Tools
.toCoordinate(downrows), 48, 0, WIDTH, WIDTH);
}
else
{
Tools.paintClip(g, img, Tools.toCoordinate(cols), Tools
.toCoordinate(downrows), 32, 0, WIDTH, WIDTH);
}
downrows++;
}
}
for (int i = 0; leftcols >= 0 && isL && i < length; i++)
{
collidesWith(tt, leftcols, rows, 3);
if (isL)
{//向左///////////////////////////////////////////////
if (i < length - 1)
{
Tools.paintClip(g, img, Tools.toCoordinate(leftcols),
Tools.toCoordinate(rows), 80, 0, WIDTH, WIDTH);
}
else
{
Tools.paintClip(g, img, Tools.toCoordinate(leftcols),
Tools.toCoordinate(rows), 64, 0, WIDTH, WIDTH);
}
leftcols--;
}
}
for (int i = 0; rightcols <= 7 && isR && i < length; i++)
{
collidesWith(tt, rightcols, rows, 4);
if (isR)
{//向右///////////////////////////////////////
if (i < length - 1)
{
Tools.paintClip(g, img, Tools.toCoordinate(rightcols),
Tools.toCoordinate(rows), 112, 0, WIDTH, WIDTH);
}
else
{
Tools.paintClip(g, img, Tools.toCoordinate(rightcols),
Tools.toCoordinate(rows), 96, 0, WIDTH, WIDTH);
}
rightcols++;
}
}
this.isShow = false;
this.isDetonate = false;
if (popo < BnB_Player.MAX_POPO)
{
popo++;
}
}
}
private final boolean isNextFrame(int nextFrameTime)
{
intervalTime = System.currentTimeMillis() - lastTime;
if (intervalTime >= nextFrameTime)
{
lastTime = System.currentTimeMillis();
return true;
}
return false;
}
}
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