Planeshift

economymanager.h

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00001 /*
00002  * economymanager.h
00003  *
00004  * Copyright (C) 2005 Atomic Blue ([email protected], http://www.planeshift.it)
00005  *
00006  * Credits : Christian Svensson
00007  *
00008  * This program is free software; you can redistribute it and/or
00009  * modify it under the terms of the GNU General Public License
00010  * as published by the Free Software Foundation (version 2
00011  * of the License).
00012  * This program is distributed in the hope that it will be useful,
00013  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00014  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00015  * GNU General Public License for more details.
00016  * You should have received a copy of the GNU General Public License
00017  * along with this program; if not, write to the Free Software
00018  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
00019  *
00020  * Creation Date: 11/Jan 2005
00021  * Description : This is the header file for the economymanager
00022  *               This manager handles all the exchange/trade things and calculates
00023  *               prices and keeps histories of transactions and so on
00024  *
00025  */
00026 
00027 #ifndef ECONOMYMANAGER_HEADER
00028 #define ECONOMYMANAGER_HEADER
00029 
00030 //=============================================================================
00031 // Crystal Space Includes
00032 //=============================================================================
00033 #include <csutil/hash.h>
00034 #include <csutil/sysfunc.h>
00035 
00036 //=============================================================================
00037 // Project Includes
00038 //=============================================================================
00039 #include "util/gameevent.h"
00040 
00041 //=============================================================================
00042 // Local Includes
00043 //=============================================================================
00044 #include "msgmanager.h"             // Parent class
00045 
00046 
00047 struct TransactionEntity : public csRefCount
00048 {
00049     PID from;
00050     PID to;
00051 
00052     csString fromName;
00053     csString toName;
00054     csString itemName;
00055 
00056     unsigned int item;
00057     int count;
00058     int quality;
00059     unsigned int price;
00060 
00061     bool moneyIn;
00062     int stamp;
00063 
00064     TransactionEntity() :
00065         from(0), to(0), fromName("NA"), toName("NA"), itemName("NA"), item(0),
00066         count(0), quality(0), price(0), moneyIn(false), stamp(0)
00067     { }
00068 };
00069 
00070 struct ItemSupplyDemandInfo : public csRefCount
00071 {
00072     unsigned int itemId;
00073     unsigned int bought;
00074     unsigned int sold;
00075 };
00076 
00077 class EconomyManager : public MessageManager<EconomyManager>
00078 {
00079 public:
00080     EconomyManager();
00081     ~EconomyManager();
00082 
00083     void HandleBuyMessage(MsgEntry* me,Client* client);
00084     void HandleSellMessage(MsgEntry* me,Client* client);
00085     void HandlePickupMessage(MsgEntry* me,Client* client);
00086     void HandleDropMessage(MsgEntry* me,Client* client);
00087     void HandleLootMessage(MsgEntry* me,Client* client);
00088 
00089     void AddTransaction(TransactionEntity* trans, bool sell, const char* type);
00090 
00091     TransactionEntity* GetTransaction(int id);
00092     unsigned int GetTotalTransactions();
00093     void ClearTransactions();
00094     void ScheduleDrop(csTicks ticks,bool loop);
00095 
00096     ItemSupplyDemandInfo* GetItemSupplyDemandInfo(unsigned int itemId);
00097 
00098     struct Economy
00099     {
00100         // Money flowing in to the economy
00101         unsigned int lootValue;
00102         unsigned int sellingValue;
00103         unsigned int pickupsValue;
00104         // Money flowing out of the economy
00105         unsigned int buyingValue;
00106         unsigned int droppedValue;
00107 
00108         Economy() : lootValue(0), sellingValue(0), pickupsValue(0), buyingValue(0), droppedValue(0) { };
00109     };
00110 
00111     Economy economy;
00112 
00113 protected:
00114     csArray< csRef<TransactionEntity> > history;
00115     csHash< csRef<ItemSupplyDemandInfo> > supplyDemandInfo;
00116 };
00117 
00118 
00119 class psEconomyDrop : public psGameEvent
00120 {
00121 public:
00122     psEconomyDrop(EconomyManager* manager,csTicks ticks,bool loop);
00123     void Trigger();
00124 protected:
00125     EconomyManager* economy;
00126     csTicks eachTimeTicks;
00127     bool loop;
00128 };
00129 
00130 #endif
00131