java开发利器—j2me手机游戏开发技术详解

/** * <p>Title: Mario</p> * <p>Description: * You cannot remove this copyright and notice. * You cannot use this file any part without the express permission of the author. * All Rights Reserved</p> * <p>Copyright: lizhenpeng (c) 2004</p> * <p>Company: LP&P</p> * @author lizhenpeng * @version 1.0.0 */ package mario; import javax.microedition.lcdui.*; import lipeng.*; import java.io.*; public class MarioMainSprite extends LPSprite { public MarioMainSprite(MarioGameManage gm, LPMaps map) { this.gm = gm; this.judgeMap = map; mainSpriteState = SMALL_SPRITE; this.gm = gm; } //method public void action() { bgdx=0; bgdy=0; switch(mainSpriteState) { case GROW_SPRITE: if(++growCnt==10) { mainSpriteState=NORMAL_SPRITE; growCnt=0; } else { if(growCnt%2==0) { y+=16; } else { y-=16; } } break; case BECOME_FIRE: if(++becomeCnt==10) { mainSpriteState=FIRE_SPRITE; becomeCnt=0; } break; case DEAD_SPRITE: if(deadCnt==0) { dy=-10; frameCnt=10; } frameCnt=10; ++dy; y+=dy; if(++deadCnt>=20) { deadCnt=0; mainSpriteState=SMALL_SPRITE; gm.gameState=MarioGameManage.GAMESTATE_REINIT; } break; case BECOME_SMALL: if(++becomeCnt==10) { mainSpriteState=SMALL_SPRITE; becomeCnt=0; } break; default: { dy+=2; checkSpriteCollisionVertical(); checkTileCollisionVertical(); mainSpriteDamage(); y+=dy; if(y+this.judgeMap.y<0) { y=0; dy=0; } if(y<=MarioMIDlet.gameCanvas.height/4 || ((this.judgeMap.y!= this.judgeMap.tileSize*this.judgeMap.h- MarioMIDlet.gameCanvas.height) &&y>=MarioMIDlet.gameCanvas.height/4) ) { this.bgdy=(MarioMIDlet.gameCanvas.height/4-y)>>2; if(bgdy-this.judgeMap.y< MarioMIDlet.gameCanvas.height- this.judgeMap.tileSize*this.judgeMap.h) { bgdy=MarioMIDlet.gameCanvas.height- this.judgeMap.tileSize*this.judgeMap.h+this.judgeMap.y; } if((this.judgeMap.y<=0)&&y<MarioMIDlet.gameCanvas.height/4) { this.judgeMap.y=0; bgdy=0; } } else { bgdy=0; } if((allAction&LPKeyMask.MASK_KEY_LEFT)!=0) { this.isLeft=true; if(--dx<-MOVE_SPEED) { dx=-MOVE_SPEED; } if(checkTileCollisionHorizon()) { dx=0; } } else if((allAction&LPKeyMask.MASK_KEY_RIGHT)!=0) { this.isLeft=false; if(++dx>MOVE_SPEED) { dx=MOVE_SPEED; } if(checkTileCollisionHorizon()) { dx=0; } } else { if(dx>0) { if(checkTileCollisionHorizon()) { dx=0; } else { --dx; } } else if(dx<0) { if(checkTileCollisionHorizon()) { dx=0; } else { ++dx; } } } if(!checkSpriteCollisionHorizon()) { x+=dx; if(dx<0) { if(distance>=-gm.canvas.width) { distance+=dx; } } if(distance<0) { if(dx>0) { distance+=dx; } } } else { dx=0; } if(this.x!=MarioMIDlet.gameCanvas.width/4) { this.bgdx=MarioMIDlet.gameCanvas.width/4-x; if(distance<-(gm.canvas.width-MarioMIDlet.gameCanvas.width/4)) { bgdx=0; } } else { bgdx=0; } if(judgeMap.x-bgdx<0 || judgeMap.x-bgdx> judgeMap.tileSize*judgeMap.w-MarioMIDlet.gameCanvas.width ) { bgdx=0; } if(mainSpriteState==FIRE_SPRITE) { if((allAction&LPKeyMask.MASK_KEY_OK_FLAG)!=0) { fire(); } checkBulletDamage(); } x+=this.bgdx; judgeMap.x-=this.bgdx; y+=this.bgdy; judgeMap.y-=this.bgdy; int tmpDy=this.bgdy; if(judgeMap.y<0) { tmpDy=bgdy+judgeMap.y; this.bgdy=-judgeMap.y; judgeMap.y=0; y+=this.bgdy; } bgdy=tmpDy; if(x<0) { x=0; } if(this.x>=MarioMIDlet.gameCanvas.width-32) { this.x=MarioMIDlet.gameCanvas.width-32; } if(isLeft) { offset=5; } else { offset=0; } if(dy!=0) { frameCnt=offset+3; } else if(((allAction&LPKeyMask.MASK_KEY_LEFT)!=0) ||((allAction&LPKeyMask.MASK_KEY_RIGHT)!=0)) { walk(); } else if(dy==0&&(allAction&LPKeyMask.MASK_KEY_UP_FLAG)==0) { frameCnt=offset; } if(isProtected) { isHidden=!isHidden; if(protectCnt++==protectInterval) { protectCnt=0; isProtected=false; isHidden=false; } } else { checkEnemyCollision(); } if((allAction&LPKeyMask.MASK_KEY_OK_FLAG)!=0) { if(mainSpriteState==FIRE_SPRITE) { frameCnt=offset+1; } allAction&=~LPKeyMask.MASK_KEY_OK_FLAG; } checkStaticSpriteCollision(); if(y>this.judgeMap.tileSize*this.judgeMap.h) { if(gm.menu.isVolOn) { gm.beatPlayer.replay(); } gm.gameState=MarioGameManage.GAMESTATE_REINIT; } } break; } } private void spriteDeadAction() { if(gm.menu.isVolOn) { gm.beatPlayer.replay(); } if(mainSpriteState==SMALL_SPRITE) { mainSpriteState=DEAD_SPRITE; return; } else { mainSpriteState=BECOME_SMALL; isProtected=true; this.protectCnt=0; this.protectInterval=20; return; } } private void checkEnemyCollision() { int i; switch(mainSpriteState) { case SMALL_SPRITE: rect1.x = x+2; rect1.y = y; rect1.dx = 12; rect1.dy = 16; break; case NORMAL_SPRITE: case FIRE_SPRITE: rect1.x = x+6; rect1.y = y+2; rect1.dx = 20; rect1.dy = 30; break; } rect2.dx = 14; rect2.dy = 14; for(i=gm.enemy.length-1;i>=0;--i) { if(!gm.enemy[i].isHidden) { if(gm.enemy[i].isCheck) { rect2.x = gm.enemy[i].x; rect2.y = gm.enemy[i].y; if(LPRect.IntersectRect(rect1,rect2)) { spriteDeadAction(); return; } } } } for(