shoping.java

《神州》RPG游戏引擎

import java.util.Vector;
import javax.microedition.lcdui.Graphics;

public class Shoping
{
    Canvas1 canvas;
    Graphics g;
    int width,height;

    private int tabIndex;
    private int xMoney;
    public ShopTab shopTable;

    synchronized public void prevTab()
    {
        if(tabIndex>0)
        {
            tabIndex--;
            shopTable=null;
        }
    }
    synchronized public void nextTab()
    {
        if(tabIndex<1)
        {
            tabIndex++;
            shopTable=null;
        }
    }
    public Shoping(Canvas1 canvas)
    {
        this.canvas = canvas;
        this.g = canvas.g;
        this.width = canvas.width;
        this.height = canvas.height;
    }

    public Shoping()
    {
    }

    //定义卖出数量的临时数组,跟shopTable的VC一一对应
    private int[] saleCount;

    //买卖总价
    private int totalPrice;

    public int calcTotalPrice()
    {
        if(tabIndex==0)  //买
        {
            int total=0;
            for(int i=0;shopTable!=null && shopTable.getVC()!=null && i<shopTable.getVC().size();i++)
            {
                Mat mat=(Mat)shopTable.getVC().elementAt(i);
                total +=mat.getAmount()*mat.getPrice();
            }
            totalPrice=total;
        }
        else if(tabIndex==1)  //卖
        {
            int total=0;
            for(int i=0; shopTable != null && shopTable.getVC()!=null && i < shopTable.getVC().size(); i++)
            {
                Mat mat=(Mat)shopTable.getVC().elementAt(i);
                total +=saleCount[i]*mat.getPrice();
            }
            totalPrice=total;
        }
        return totalPrice;
    }
    //获得交易金额，卖是正数，买是负数
    public int getTradePrice()
    {
        if(tabIndex==0)  //买
        {
            return -calcTotalPrice();
        }
        else if(tabIndex==1)  //卖
        {
            return calcTotalPrice();
        }
        return 0;
    }

    public void ShowShopUi(int inShopStatus)
    {
        int w = width-10;
        int h = height-10;

        int x=width/2-w/2;
        int y=height/2-h/2;

        g.setColor(0xDAE6D1);
        g.fillRect(x,y,w,h);  //对话框背景色
        g.setColor(0x618E3F);
        g.drawRect(x,y,w,h); //外框

        int bLMargin=5;
        int bTMargin=5;

        int bw = w - 10;
        int bh = h - (Style.font.getHeight()+10);

        if(shopTable==null)
        {
            //System.out.println("tabIndex="+tabIndex);
            shopTable = new ShopTab();

            shopTable.setTabName(new String[]{"买入","卖出"});
            shopTable.setTabIndex(tabIndex);
            shopTable.setBgColor(0xC7E2B3);
            shopTable.setHighLightColor(0xF1F8EC);
            shopTable.setPosition(x+bLMargin,y+bTMargin);
            shopTable.setW(bw);
            shopTable.setH(bh);

            if(tabIndex == 0)  //买
            {                
                /*
            	for(int i = 0; i < MatLib.items.length; i++)
                {
                  Mat med = MatLib.getItemByIndex(i);
                  med.setAmount(0);
                  shopTable.addElement(med);
                }
                for(int i = 0; i < MatLib.weapons.length; i++)
                {
                  Mat equip = MatLib.getWeaponByIndex(i);
                  equip.setAmount(0);
                  shopTable.addElement(equip);
                }
                for(int i = 0; i < MatLib.shells.length; i++)
                {
                  Mat guard = MatLib.getShellByIndex(i);
                  guard.setAmount(0);
                  shopTable.addElement(guard);
                }
                for(int i = 0; i < MatLib.caps.length; i++)
                {
                  Mat guard = MatLib.getCapByIndex(i);
                  guard.setAmount(0);
                  shopTable.addElement(guard);
                }
                for(int i = 0; i < MatLib.cloths.length; i++)
                {
                  Mat guard = MatLib.getClothByIndex(i);
                  guard.setAmount(0);
                  shopTable.addElement(guard);
                }
                for(int i = 0; i < MatLib.shoes.length; i++)
                {
                  Mat guard = MatLib.getShoeByIndex(i);
                  guard.setAmount(0);
                  shopTable.addElement(guard);
                }
                for(int i = 0; i < MatLib.jewelrys.length; i++)
                {
                  Mat guard = MatLib.getJewelryByIndex(i);
                  guard.setAmount(0);
                  shopTable.addElement(guard);
                }
                */
            	Mat mat=null;
            	mat = MatLib.getMatByName("草药");
            	mat.setAmount(0);
                shopTable.addElement(mat);
                
                mat = MatLib.getMatByName("山药");
            	mat.setAmount(0);
                shopTable.addElement(mat);
                
                mat = MatLib.getMatByName("七叶莲");
            	mat.setAmount(0);
                shopTable.addElement(mat);
                mat = MatLib.getMatByName("佛手");
            	mat.setAmount(0);
                shopTable.addElement(mat);
                mat = MatLib.getMatByName("鬼切草");
            	mat.setAmount(0);
                shopTable.addElement(mat);
                mat = MatLib.getMatByName("短剑");
            	mat.setAmount(0);
                shopTable.addElement(mat);
                mat = MatLib.getMatByName("铜剑");
            	mat.setAmount(0);
                shopTable.addElement(mat);
                mat = MatLib.getMatByName("玄铁剑");
            	mat.setAmount(0);
                shopTable.addElement(mat);
                mat = MatLib.getMatByName("木盾");
            	mat.setAmount(0);
                shopTable.addElement(mat);
                mat = MatLib.getMatByName("皮盾");
            	mat.setAmount(0);
                shopTable.addElement(mat);
                mat = MatLib.getMatByName("青铜盾");
            	mat.setAmount(0);
                shopTable.addElement(mat);
                mat = MatLib.getMatByName("布帽");
            	mat.setAmount(0);
                shopTable.addElement(mat);
                mat = MatLib.getMatByName("皮帽");
            	mat.setAmount(0);
                shopTable.addElement(mat);
                mat = MatLib.getMatByName("金丝冠");
            	mat.setAmount(0);
                shopTable.addElement(mat);
                mat = MatLib.getMatByName("布衣");
            	mat.setAmount(0);
                shopTable.addElement(mat);
                mat = MatLib.getMatByName("皮衣");
            	mat.setAmount(0);
                shopTable.addElement(mat);
                mat = MatLib.getMatByName("披风");
            	mat.setAmount(0);
                shopTable.addElement(mat);
                mat = MatLib.getMatByName("布鞋");
            	mat.setAmount(0);
                shopTable.addElement(mat);
                mat = MatLib.getMatByName("皮靴");
            	mat.setAmount(0);
                shopTable.addElement(mat);
                mat = MatLib.getMatByName("侠客履");
            	mat.setAmount(0);
                shopTable.addElement(mat);
                mat = MatLib.getMatByName("护身符");
            	mat.setAmount(0);
                shopTable.addElement(mat);
                mat = MatLib.getMatByName("珍珠链");
            	mat.setAmount(0);
                shopTable.addElement(mat);
                mat = MatLib.getMatByName("苍魂珠");
            	mat.setAmount(0);
                shopTable.addElement(mat);
                
            }else if(tabIndex==1)  //卖
            {
                Vector matVC = null;
                matVC = GameMIDlet.mainRole.getBagMatVC(Mat.TYPE_USED);

                for(int i=0; matVC != null && i < matVC.size(); i++)
                {
                    Mat _mat = (Mat)matVC.elementAt(i);
                    //_mat.setStoredAmount(_mat.getAmount());  //记录卖之前的原始数量
                    //_mat.setSoldAmount(0);  //设置卖出数量  初始值                    
                    shopTable.addElement(_mat);  //add to draw
                }

                Vector matVC2 = GameMIDlet.mainRole.getBagMatVC(Mat.TYPE_EQUIP);

                for(int i=0; matVC2 != null && i < matVC2.size(); i++)
                {
                    Mat _mat = (Mat)matVC2.elementAt(i);
                    //_mat.setStoredAmount(_mat.getAmount());  //记录卖之前的原始数量
                    //_mat.setSoldAmount(0);  //设置卖出数量  初始值                    
                    shopTable.addElement(_mat);  //add to draw
                }
                int matCount1=0;
                int matCount2=0;
                if(matVC!=null)
                {
                    matCount1=matVC.size();
                }
                if(matVC2!=null)
                {
                    matCount2=matVC2.size();
                }
                if(matCount1+matCount2>0)
                {
                saleCount=new int[matCount1+matCount2];
                shopTable.setSaleCount(saleCount);
                }
            }
        }
        
        if(shopTable != null)
        {
            shopTable.paint(g, inShopStatus);
        }
        calcTotalPrice();
        g.drawString("现金:"+GameMIDlet.mainRole.getMoney(), x+5, y+h-Style.font.getHeight(), Style.LT);
        g.drawString("合计:"+totalPrice, x+w-5, y+h-Style.font.getHeight(), Style.RT);
    }

    //增加买入数量
    public void addAmount()
    {
        Vector vc = shopTable.getVC();
        int rowIndex = shopTable.getRowIndex();

        if (vc != null && rowIndex >= 0 && rowIndex < vc.size())
        {
            Mat mt = (Mat)vc.elementAt(rowIndex);

            if (shopTable.getTabIndex() == 0) //只有当 是买入的情况
                mt.setAmount(mt.getAmount()+1);
        }
    }
    //增加卖出数量
    public void addSoldAmount()
    {
        Vector vc = shopTable.getVC();
        int rowIndex = shopTable.getRowIndex();

        if (vc != null && rowIndex >= 0 && rowIndex < vc.size())
        {
            Mat mt = (Mat)vc.elementAt(rowIndex);

            if (shopTable.getTabIndex() == 1) //卖出的情况
            {
                //最大可卖出数量不超过实际拥有量
                /*
                if (mt.getSoldAmount()+1 > mt.getStoredAmount())
                    mt.setSoldAmount(mt.getStoredAmount());
                else
                    mt.setSoldAmount(mt.getSoldAmount()+1);
                */
                if(saleCount[rowIndex]<mt.getAmount())
                {
                    saleCount[rowIndex]++;
                }
            }
        }
    }
    //减少买入数量
    public void reduAmount()
    {
        Vector vc = shopTable.getVC();

        int rowIndex = shopTable.getRowIndex();

        if (shopTable.getTabIndex() == 0)
        if (vc!=null && rowIndex>=0 && rowIndex<vc.size())
        {
            Mat mt = (Mat)vc.elementAt(rowIndex);
            if(mt.getAmount()>0)
                mt.setAmount(mt.getAmount()-1);
        }
    }
    //减少卖出数量
    public void reduSoldAmount()
    {
        Vector vc = shopTable.getVC();

        int rowIndex = shopTable.getRowIndex();

        if (shopTable.getTabIndex() == 1)
        if (vc != null && rowIndex >= 0 && rowIndex < vc.size())
        {
            Mat mt = (Mat)vc.elementAt(rowIndex);
            /*
            if (mt.getSoldAmount() > 0)
                mt.setSoldAmount(mt.getSoldAmount() - 1);
            */
            if(saleCount[rowIndex]>0)
            {
                saleCount[rowIndex]--;
            }
        }
    }
    //改变买卖总价
    /*
    public int changeAmt()
    {
        Vector vc = shopTable.getVC();

        int totalAmt = 0;

        for (int i=0;vc!=null && i<vc.size(); i++)
        {
            Mat tmpMat = (Mat)vc.elementAt(i);

            if (this.shopTable.getTabIndex()==0)  //判断买入卖出状态,0 is buy
                totalAmt -= tmpMat.getAmount()* tmpMat.getPrice(); //买入状态
            else if (this.shopTable.getTabIndex()==1)         //卖出状态
                //totalAmt += tmpMat.getSoldAmount()* tmpMat.getPrice();
                totalAmt += saleCount[i]* tmpMat.getPrice();
        }

        return totalAmt;
    }
    */

    //确定交易
    public void changeTrade()
    {
        Vector vc = shopTable.getVC();

        for (int i=0;vc!=null &&  i<vc.size(); i++)
        {
            Mat tmpMat = (Mat)vc.elementAt(i);

            if (this.shopTable.getTabIndex()==0)
            {
                //买入状态 加入装备;
                tmpMat.setPrice(tmpMat.getPrice()*7/10);  //价值打7折
                GameMIDlet.mainRole.addMat(tmpMat);
            }
            else if (this.shopTable.getTabIndex()==1)
            {
                //卖出状态
                //tmpMat.setAmount(tmpMat.getAmount() - tmpMat.getSoldAmount());
                tmpMat.setAmount(tmpMat.getAmount() - saleCount[i]);
            }
        }
        //去掉包里的数量为0的物品
        GameMIDlet.mainRole.updateBag();
    }

}