gamemap.cpp

一个用vc做的挖金子的游戏

#include "stdafx.h"
#include "gamemap.h"
#include "stdio.h"
#include "stdlib.h"
#include "ctype.h"
#include "math.h"
#include "filereport.h"
#include "bitmaptool.h"

extern MYBITMAP bBombAni;

//FILEREPORT fgame("detect.txt");

#define ISTEXT(x) ((x)>=32 && (x)<=126)

#define DISTANCE(x,y,x2,y2) (((x)-(x2))*((x)-(x2))+((y)-(y2))*((y)-(y2)))

int CmpDistance(int x,int y,int x2,int y2,int l)
{
	if(DISTANCE(x,y,x2,y2)<=l*l)
	{
		return 1;
	}
	return 0;
}

int FGetLine(char *pchar,FILE *fp)
{
	int ch=-1;
	int i=0;

	//过滤前面的非法字符
	while(!ISTEXT(ch) && !feof(fp))
	{
		ch=fgetc(fp);
	}

	if(!ISTEXT(ch))
	{
		pchar[0]=0;
		return 0;
	}
	
	while(ISTEXT(ch) && !feof(fp))
	{		
		pchar[i]=ch;
		i++;
		ch=fgetc(fp);
	}
	pchar[i]=0;
	return 1;
}

int GAMEMAP::LoadMap()
{
	char temp[50]={0};
	int find=0;
	int i;
	
	memset(objectarray,0,sizeof(objectarray));

	fp=fopen("ini\\match.txt","r");
	if(!fp)
	{
		return 0;
	}

	while(!find && !feof(fp))
	{
		FGetLine(temp,fp);
		if(temp[0]=='*' && temp[1]=='0'+iGameMatch)
		{
			find=1;
		}
	}
	if(!find)
	{
		return 0;
	}
	//找到了某一关的地图数据
	FGetLine(temp,fp);
	iMoneyDest=atoi(temp);
	
	i=0;
	FGetLine(temp,fp);	
	while(temp[0]!='#' && !feof(fp))
	{
		sscanf(temp,"%d %d %d",&objectarray[i].id,&objectarray[i].x,&objectarray[i].y);
		i++;
		FGetLine(temp,fp);	
	}
	iObjectNum=i;
	fclose(fp);
	return 1;
}

GAMEMAP::GAMEMAP()
{
	//各个物体的检测半径，检测圆心坐标（偏移量）
	GAMEOBJECT temp[]={
		{14,14,14},
		{25,25,25},
		{30,30,30},
		{23,23,23},
		{14,14,14}
	};
	int tempspeed[]={6,4,2,4,6};
	int tempvalue[]={50,150,500,15,600};

	iMoneyDest=0;
	iObjectNum=0;
	iCatchId=-1;
	//物体的碰撞检测
	memset(objecthit,0,sizeof(objecthit));
	memcpy(objecthit,temp,sizeof(temp));
	
	memset(object_speed,0,sizeof(object_speed));
	memcpy(object_speed,tempspeed,sizeof(tempspeed));
	
	memset(object_value,0,sizeof(object_value));
	memcpy(object_value,tempvalue,sizeof(tempvalue));

	//控制过关动画
	AniEnd.active=0;
	AniEnd.i=0;

	iMatchNum=0;
	iGameMatch=0;

	iFireNum=0;
}

GAMEMAP::~GAMEMAP()
{
}

int GAMEMAP::DetectCatch(int x,int y,int iangle)
{
	int i;
	int j;
	int x0,y0; //中点
	int tempx,tempy;
	int xoff,yoff;
	//将爪子边上的直线5等分,依次取点比较
	int point[]={0,2,4,-2,-4};

	if(iCatchId!=-1)
	{
		return 0;//当前已经获得了物品
	}

	xoff=8*cos(10*iangle*1.57/90);
	yoff=8*sin(10*iangle*1.57/90);

	x0=x+8*xoff;//中点坐标
	y0=y+8*yoff;

	for(i=0;i<iObjectNum;i++)
	{
		//如果当前物品已经取走，继续判断下一个
		if(0==objectarray[i].id)
			continue;
		for(j=0;j<5;j++)
		{
			tempx=x0+point[j]*yoff;
			tempy=y0-point[j]*xoff;

			if(CmpDistance(objectarray[i].x+objecthit[objectarray[i].id-1].x,
				objectarray[i].y+objecthit[objectarray[i].id-1].y,
				tempx,tempy,
				objecthit[objectarray[i].id-1].id))
			{
				iCatchId=i;
				return 1;
			}
		}
	}
	return 0;
}

//入参:叉子的坐标和角度
void GAMEMAP::MoveObject(int x,int y,int iangle)
{
	if(-1==iCatchId)
		return;

	objectarray[iCatchId].x=x+20*cos(iangle*10*1.59/90);
	objectarray[iCatchId].y=y+20*sin(iangle*10*1.59/90);

	if(y<=58)
	{
		//增加钱币
		iMoneyNow+=object_value[objectarray[iCatchId].id-1];
		//一个物品拉到目的地
		objectarray[iCatchId].id=0;		
		iCatchId=-1;		
	}
}
void GAMEMAP::DrawFrame()
{
	int i;
	for(i=0;i<iObjectNum;i++)
	{
		if(objectarray[i].id<=0)
			continue;

		Ellipse(hdc,objectarray[i].x,objectarray[i].y,
				objectarray[i].x+2*objecthit[objectarray[i].id-1].x,
				objectarray[i].y+2*objecthit[objectarray[i].id-1].y);
		
	}
}

void GAMEMAP::SetSpeedBack(GAMECATCH &c)
{
	c.iSpeedBack=object_speed[objectarray[iCatchId].id-1];
}

void GAMEMAP::ShowMoneyNow()
{
	char temp[50]={0};

	SelectObject(hdc,hf[0]);
	SetBkColor(hdc,GetPixel(hdc,19,19));
	SetTextColor(hdc,RGB(0,0,0));

	sprintf(temp,"money: %d  ",iMoneyNow);
	TextOut(hdc,20,20,temp,strlen(temp));

	sprintf(temp,"goal: %d  ",iMoneyDest);
	TextOut(hdc,20,45,temp,strlen(temp));
}

void GAMEMAP::GameEnd()
{
	char *temp[]={"恭禧进入下一关","游戏失败","恭禧全部过关"};
	HPEN hpen;
	HBRUSH hbrush;
	SIZE size;

	//屏幕动画
	if(!AniEnd.active)
	{
		AniEnd.active=1;
		AniEnd.i=0;
	}
	else
	{
		AniEnd.i++;
	}
	hpen=(HPEN)GetStockObject(WHITE_PEN);
	hbrush=(HBRUSH)GetStockObject(WHITE_BRUSH);
	SelectObject(hdc,hpen);
	SelectObject(hdc,hbrush);
	Rectangle(hdc,AniEnd.i*25,0,AniEnd.i*25+25,GAMEHEIGHT);

	SelectObject(hdc,hf[4]);
	SetBkColor(hdc,RGB(255,255,255));
	SetTextColor(hdc,RGB(255,128,64));
	if(iMoneyNow>=iMoneyDest)
	{
		if((iGameMatch+1)>=iMatchNum)
		{
			//全部过关
			GetTextExtentPoint32(hdc,temp[2],strlen(temp[2]),&size);
			TextOut(hdc,(GAMEWIDTH-size.cx)/2,(GAMEHEIGHT-size.cy)/2-35,
				temp[2],strlen(temp[2]));
		}
		else
		{
			GetTextExtentPoint32(hdc,temp[0],strlen(temp[0]),&size);
			TextOut(hdc,(GAMEWIDTH-size.cx)/2,(GAMEHEIGHT-size.cy)/2-35,
				temp[0],strlen(temp[0]));
		}
	}
	else
	{
		//游戏失败
		GetTextExtentPoint32(hdc,temp[1],strlen(temp[1]),&size);
		TextOut(hdc,(GAMEWIDTH-size.cx)/2,(GAMEHEIGHT-size.cy)/2-35,
			temp[1],strlen(temp[1]));
	}
	
}
void GAMEMAP::GameEndAniOver()
{
		AniEnd.active=0;
		AniEnd.i=0;
}

void GAMEMAP::SetFont(HFONT *p,int count)
{
	memset(hf,0,sizeof(hf));
	memcpy(hf,p,count);
}

void GAMEMAP::GameNext()
{
	char *temp[]={"你可以选择道具"};
	HPEN hpen;
	HBRUSH hbrush;

	//清屏
	hpen=(HPEN)GetStockObject(WHITE_PEN);
	hbrush=(HBRUSH)GetStockObject(WHITE_BRUSH);
	SelectObject(hdc,hpen);
	SelectObject(hdc,hbrush);

	Rectangle(hdc,0,0,GAMEWIDTH,GAMEHEIGHT);

	SelectObject(hdc,hf[1]);
	SetBkColor(hdc,RGB(255,255,255));
	SetTextColor(hdc,RGB(255,128,64));
	TextOut(hdc,50,100,temp[0],strlen(temp[0]));
}

int GAMEMAP::CanNextMatch()
{
	if((iGameMatch+1)>=iMatchNum)
		return 0;
	if(iMoneyNow>=iMoneyDest)
	{
		iGameMatch++;
		return 1;
	}
	return 0;
}

void GAMEMAP::GetMatchNum()
{
	iMatchNum=0;

	fp=fopen("ini\\match.txt","r");
	if(!fp)
	{
		return;
	}

	while( !feof(fp))
	{
		if(fgetc(fp)=='*')
		{
			iMatchNum++;
		}
	}
	fclose(fp);
}

int GAMEMAP::GetMatchNow()
{
	return iGameMatch;
}

void GAMEMAP::UseEquip(int money,int iequip,GAMECATCH &c)
{
	iMoneyNow-=money;
	if(iMoneyNow<0)
	{
		iMoneyNow=0;
	}

	switch(iequip)
	{
	case 0:
		//增加炮的数量
		iFireNum++;
		break;
	case 1:
		//增加拉动速度
		c.iSpeedMore=2;
		break;
	}
}

void GAMEMAP::ClearMoney()
{
	iMoneyNow=0;
}

void GAMEMAP::LoadFirstMap()
{
	iGameMatch=0;
	LoadMap();
}

void GAMEMAP::KeyProc(int iKey)
{
	switch(iKey)
	{
	case VK_UP:
		if(iFireNum>0 && iCatchId>=0)
		{
			iFireNum--;
			bBombAni.SetAni(objectarray[iCatchId].x,objectarray[iCatchId].y);
			//一个物销毁
			objectarray[iCatchId].id=0;		
			iCatchId=-1;		
		}
		break;
	}
}