添加注释。

Pop Engine/Career.h

@@ -12,7 +12,9 @@ class Career
 public:
 
 private:
+	// The prodution which this career makes.
 	shared_ptr<Production> pdt;
+	// Produtions which this career needed.
 	shared_ptr<Need> ned;
 
 };

Pop Engine/Engine.h

@@ -4,6 +4,7 @@
 #include <memory>
 
 #include "Market.h"
+#include "Land.h"
 
 using namespace std;
 
@@ -12,6 +13,9 @@ class Engine
 public:
 	
 private:
+	// Manage all the markets.
 	vector<shared_ptr<Market>> mkts;
+	// Manage all the lands in the world.
+	vector<shared_ptr<Land>> lands;
 };
 

Pop Engine/Land.cpp

@@ -0,0 +1 @@
+#include "Land.h"

Pop Engine/Land.h

@@ -0,0 +1,23 @@
+#pragma once
+
+#include <memory>
+#include <string>
+#include <vector>
+
+#include "Population.h"
+#include "Production.h"
+
+using namespace std;
+
+class Land
+{
+public:
+
+private:
+	vector<unique_ptr<Population>> pops;
+	shared_ptr<Market> mkt;
+	vector<shared_ptr<Production>> pdts;
+	float max_pop;
+	string name;
+};
+

Pop Engine/Market.h

@@ -13,9 +13,11 @@ class Market
 public:
 
 private:
+	// Selling productions in the market.
 	vector<unique_ptr<SellProduction>> sl_pdts;
-	vector<unique_ptr<Population>> pops;
+	// Children markets.
 	vector<shared_ptr<Market>> sub_mkts;
+	// Parent market.
 	shared_ptr<Market> pae_mkts;
 };
 

Pop Engine/Need.h

@@ -12,8 +12,11 @@ class Need
 public:
 
 private:
-	vector<shared_ptr<Production>> base_pdts;
-	vector<shared_ptr<Production>> improve_pdts;
-	vector<shared_ptr<Production>> high_pdts;
+	// Certain kinds of production which one of those careers need to matain their lives.
+	vector<pair<shared_ptr<Production>, float>> base_pdts;
+	// Certain kinds of production to improve their lives. 
+	vector<pair<shared_ptr<Production>, float>> improve_pdts;
+	// Certain kinds of production to satisfy their lives.
+	vector<pair<shared_ptr<Production>, float>> high_pdts;
 };
 

Pop Engine/Pop Engine.vcxproj

@@ -153,6 +153,7 @@
   <ItemGroup>
     <ClCompile Include="Career.cpp" />
     <ClCompile Include="Engine.cpp" />
+    <ClCompile Include="Land.cpp" />
     <ClCompile Include="Market.cpp" />
     <ClCompile Include="Need.cpp" />
     <ClCompile Include="Pop Engine.cpp" />
@@ -163,6 +164,7 @@
   <ItemGroup>
     <ClInclude Include="Career.h" />
     <ClInclude Include="Engine.h" />
+    <ClInclude Include="Land.h" />
     <ClInclude Include="Market.h" />
     <ClInclude Include="Need.h" />
     <ClInclude Include="Population.h" />

Pop Engine/Pop Engine.vcxproj.filters

@@ -39,6 +39,9 @@
     <ClCompile Include="SellProduction.cpp">
       <Filter>源文件</Filter>
     </ClCompile>
+    <ClCompile Include="Land.cpp">
+      <Filter>源文件</Filter>
+    </ClCompile>
   </ItemGroup>
   <ItemGroup>
     <ClInclude Include="Career.h">
@@ -62,5 +65,8 @@
     <ClInclude Include="SellProduction.h">
       <Filter>头文件</Filter>
     </ClInclude>
+    <ClInclude Include="Land.h">
+      <Filter>头文件</Filter>
+    </ClInclude>
   </ItemGroup>
 </Project>

Pop Engine/Population.h

@@ -10,18 +10,25 @@ using namespace std;
 class Population
 {
 public:
+	// Population group working to get production.
 	void work(void);
+	// Sell production to get money.
 	void sell(void);
+	// Give part of the money to nation.
 	void tax(void);
+	// Buy the production the population needed from the market.
 	void buy(void);
+	// Part of the population move to another land
 	void move(void);
+	//Part of the population changes the career
 	void increase(void);
-
 private:
+	// Career of this population group.
 	shared_ptr<Career> career;
-	shared_ptr<Market> market;
 
+	// The number of people of this population group.
 	float pop;
+	// Money rest from all recycle.
 	float money;
 
 };

Pop Engine/Production.h

@@ -11,8 +11,11 @@ class Production
 public:
 
 private:
+	// Raw material to make this production.
 	vector<shared_ptr<Production>> material;
+	// Base value of this prodution.
 	float value;
+	// Name of this production.
 	string name;
 };