anim.java

基于J2ME的Java游戏梦幻炸弹人源程序

import java.io.DataInputStream;

import javax.microedition.lcdui.*;

/**
 * 非作者授权，请勿用于商业用途。
 * 动画播放器
 * @author [e-mail] 
 * 
 */
public class Anim {

	Image image = null;

	short nImagePieceNum = 0;

	int nFps = 0;

	int nfpsc = 0;

	int nFrame = 0;

	int nFrameNums = 0;

	short nActionNum = 0;

	int nActionId = 0;

	boolean isStop = false;

	boolean isLoop = false;

	short[][] word2d = null;

	short[][] word2d1 = null;

	Anim animInited = null;

	public void initParam(int nActionIdA, boolean stopA, boolean loopA) {
		nActionId = nActionIdA;
		switch (nActionId) {
		case Canvas.UP: {
			nActionId = 0;
		}
			break;
		case Canvas.DOWN: {
			nActionId = 1;
		}
			break;
		case Canvas.LEFT: {
			nActionId = 2;
		}
			break;
		case Canvas.RIGHT: {
			nActionId = 3;
		}
			break;

		}
		isStop = stopA;
		isLoop = loopA;
		if (word2d1 != null) {
			nFrameNums = word2d1[nActionId].length / 3;
		}
	}

	public void update() {
		if (!isStop) {
			if (nfpsc >= nFps) {
				nfpsc = 0;
				if (nFrame >= nFrameNums - 1) {
					if (isLoop) {
						nFrame = 0;
					} else {
						nFrame = 0;
						isStop = true;
					}
				} else {
					nFrame++;
				}
			} else {
				nfpsc++;
			}
		}

	}

	public void draw(Graphics g, int x, int y) {
		try {
			int t_pic_id = nFrame * 3;
			if (word2d1[nActionId][t_pic_id] < word2d.length) {
				//
				int tx = word2d[word2d1[nActionId][t_pic_id]][0];
				int ty = word2d[word2d1[nActionId][t_pic_id]][1];
				int twidth = word2d[word2d1[nActionId][t_pic_id]][2];
				int theight = word2d[word2d1[nActionId][t_pic_id]][3];
				//
				if (x + twidth < 0 || y + theight < 0
						|| x > Consts.SN_SCREEN_WIDTH
						|| y > Consts.SN_SCREEN_HEIGHT) {
				} else {
					MyGameCanvas.blt(g, image, tx, ty, twidth, theight, x
							+ word2d1[nActionId][t_pic_id + 1], y
							+ word2d1[nActionId][t_pic_id + 2]);
				}

			}

		} catch (Exception ex) {

			Consts.log("failer");
		}
	}

	public void changeAction(int idA) {
		switch (idA) {
		case Canvas.UP: {
			idA = 0;
		}
			break;
		case Canvas.DOWN: {
			idA = 1;
		}
			break;
		case Canvas.LEFT: {
			idA = 2;
		}
			break;
		case Canvas.RIGHT: {
			idA = 3;
		}
			break;

		}
		if (nActionId != idA) {
			if (word2d1 != null) {
				nFrame = 0;
				nActionNum = (short) word2d1.length;
				nActionId = idA;
				nFrameNums = word2d1[nActionId].length / 3;
				isStop = false;
			}
		} else {
			if (isStop) {
				if (word2d1 != null) {
					nFrame = 0;
					nActionNum = (short) word2d1.length;
					nActionId = idA;
					nFrameNums = word2d1[nActionId].length / 3;
					isStop = false;
				}
			}
		}
	}

	public void init(MyGameCanvas mc, Image image, String str) {
		try {
			int i1 = 0;
			short aword0[][] = null;
			short aword1[][] = null;
			DataInputStream datainputstream = null;
			i1 = (datainputstream = new DataInputStream(mc.getClass()
					.getResourceAsStream(str))).readInt();
			int j1;
			aword0 = new short[j1 = datainputstream.readInt()][4];
			for (int k1 = 0; k1 < j1; k1++) {
				aword0[k1][0] = datainputstream.readShort();
				aword0[k1][1] = datainputstream.readShort();
				aword0[k1][2] = datainputstream.readShort();
				aword0[k1][3] = datainputstream.readShort();
			}

			int l1;
			aword1 = new short[l1 = datainputstream.readInt()][];
			for (int i2 = 0; i2 < l1; i2++) {
				short word0 = datainputstream.readShort();
				aword1[i2] = new short[word0];
				for (int j2 = 0; j2 < word0; j2++)
					aword1[i2][j2] = datainputstream.readShort();

			}

			nFrame = 0;
			this.image = image;
			nFps = i1;

			word2d = aword0;
			if (word2d != null) {
				nImagePieceNum = (short) (word2d.length);
			}

			word2d1 = aword1;
			if (word2d1 != null) {
				nActionNum = (short) word2d1.length;
				nFrameNums = word2d1[nActionId].length / 3;
			}
			datainputstream.close();
			//
			return;
		} catch (Exception ex) {
			//
		}
	}

	public Anim copy() {
		Anim anim = new Anim();
		//
		nFrame = 0;
		anim.image = image;
		anim.nFps = nFps;
		anim.isStop = isStop;
		anim.isLoop = isLoop;
		//
		anim.word2d = new short[word2d.length][word2d[0].length];

		if (anim.word2d != null) {
			anim.nImagePieceNum = (short) (word2d.length);
		}
		//
		for (int i = 0; i < word2d.length; i++) {
			for (int j = 0; j < word2d[i].length; j++) {
				anim.word2d[i][j] = word2d[i][j];
			}
		}
		anim.word2d1 = new short[word2d1.length][word2d1[0].length];

		if (anim.word2d1 != null) {
			anim.nActionNum = (short) word2d1.length;
			anim.nFrameNums = word2d1[nActionId].length / 3;
		}
		//
		//
		for (int i = 0; i < word2d1.length; i++) {
			for (int j = 0; j < word2d1[i].length; j++) {
				anim.word2d1[i][j] = word2d1[i][j];
			}
		}
		return anim;
	}
}