implemented instant trading

trader.cpp

@@ -0,0 +1,69 @@
+#include "trader.h"
+#include "player.h"
+
+#include <algorithm>
+
+#include <solUtil.h>
+
+namespace battleship{
+	using namespace std;
+	using namespace vb01;
+	using namespace gameBase;
+
+	Trader::Trader(){
+		initProperties();
+	}
+
+	void Trader::initProperties(){
+		sol::table traderTable = generateView()["trading"];
+		fluctuationRate = traderTable["fluctuationRate"];
+		fluctuationAmmount = traderTable["fluctuationAmmount"];
+		refinedsRate = traderTable["refinedsRate"];
+		researchRate = traderTable["researchRate"];
+	}
+
+	void Trader::update(){
+		if(getTime() - lastUpdateTime > fluctuationRate){
+			int flucFact = rand() % 3;
+			int flSpd;
+
+			switch(flucFact){
+				case 0:
+					flSpd = -fluctuationAmmount;
+					break;
+				case 1:
+					flSpd = 0;
+					break;
+				case 2:
+					flSpd = fluctuationAmmount;
+					break;
+			}
+
+			refinedsRate += fluctuationAmmount;
+			researchRate += fluctuationAmmount;
+			lastUpdateTime = getTime();
+		}
+	}
+
+	void Trader::trade(Player *tradingPlayer, int rt, int ammount, bool buying){
+		int tradeResRate;
+
+		switch((ResourceType)rt){
+			case ResourceType::REFINEDS:
+				tradeResRate = refinedsRate;
+				break;
+			case ResourceType::RESEARCH:
+				tradeResRate = researchRate;
+				break;
+		}
+
+		if(buying && ammount * tradeResRate <= tradingPlayer->getResource(ResourceType::WEALTH)){
+			tradingPlayer->updateResource((ResourceType)rt, ammount, true);
+			tradingPlayer->updateResource(ResourceType::WEALTH, -ammount * tradeResRate, true);
+		}
+		else if(!buying && tradingPlayer->getResource((ResourceType)rt) >= ammount){
+			tradingPlayer->updateResource((ResourceType)rt, -ammount, true);
+			tradingPlayer->updateResource(ResourceType::WEALTH, ammount * tradeResRate, true);
+		}
+	}
+}