Exception when loading invalid save

src/game/GameController.cpp

@@ -10,6 +10,7 @@
 #include "login/LoginController.h"
 #include "interface/Point.h"
 #include "dialogues/ErrorMessage.h"
+#include "SaveLoadException.h"
 
 using namespace std;
 
@@ -34,7 +35,14 @@ public:
 	{
 		if(cc->search->GetLoadedSave())
 		{
-			cc->gameModel->SetSave(new Save(*(cc->search->GetLoadedSave())));
+			try
+			{
+				cc->gameModel->SetSave(new Save(*(cc->search->GetLoadedSave())));
+			}
+			catch(SaveLoadException & ex)
+			{
+				new ErrorMessage("Cannot open save", ex.what());
+			}
 		}
 	}
 };
@@ -61,6 +69,7 @@ public:
 		if(cc->ssave->GetSaveUploaded())
 		{
 			cc->gameModel->SetSave(new Save(*(cc->ssave->GetSave())));
+
 		}
 		//cc->gameModel->SetUser(cc->loginWindow->GetUser());
 	}

src/game/GameModel.cpp

@@ -8,6 +8,7 @@
 #include "EllipseBrush.h"
 #include "client/Client.h"
 #include "game/DecorationTool.h"
+#include "SaveLoadException.h"
 
 GameModel::GameModel():
 	activeTools({NULL, NULL, NULL}),
@@ -257,7 +258,12 @@ void GameModel::SetSave(Save * newSave)
 	currentSave = newSave;
 	if(currentSave)
 	{
-		sim->Load(currentSave->GetData(), currentSave->GetDataLength());
+		int returnVal = sim->Load(currentSave->GetData(), currentSave->GetDataLength());
+		if(returnVal){
+			delete currentSave;
+			currentSave = NULL;
+			throw SaveLoadException(returnVal==2?"Save from newer version":"Save data corrupt");
+		}
 	}
 	notifySaveChanged();
 	notifyPausedChanged();

src/game/GameView.cpp

@@ -2,6 +2,7 @@
 
 #include "Config.h"
 #include "GameView.h"
+#include "Graphics.h"
 #include "interface/Window.h"
 #include "interface/Button.h"
 #include "interface/Colour.h"
@@ -482,7 +483,7 @@ void GameView::OnMouseDown(int x, int y, unsigned button)
 {
 	if(selectMode!=SelectNone)
 	{
-		if(button!=3)
+		if(button==BUTTON_LEFT)
 		{
 			selectPoint1 = ui::Point(x, y);
 			selectPoint2 = selectPoint1;
@@ -517,7 +518,7 @@ void GameView::OnMouseUp(int x, int y, unsigned button)
 		int y2 = (selectPoint1.Y>selectPoint2.Y)?selectPoint1.Y:selectPoint2.Y;
 		int x1 = (selectPoint2.X<selectPoint1.X)?selectPoint2.X:selectPoint1.X;
 		int y1 = (selectPoint2.Y<selectPoint1.Y)?selectPoint2.Y:selectPoint1.Y;
-		if(button !=3 && x2-x1>0 && y2-y1>0)
+		if(button==BUTTON_LEFT && x2-x1>0 && y2-y1>0)
 		{
 			if(selectMode==SelectCopy)
 				c->CopyRegion(ui::Point(x1, y1), ui::Point(x2, y2));

src/game/SaveLoadException.h

@@ -0,0 +1,26 @@
+/*
+ * SaveLoadException.h
+ *
+ *  Created on: Mar 29, 2012
+ *      Author: Simon
+ */
+
+#ifndef SAVELOADEXCEPTION_H_
+#define SAVELOADEXCEPTION_H_
+
+#include <string>
+#include <exception>
+using namespace std;
+
+struct SaveLoadException: public exception {
+	string message;
+public:
+	SaveLoadException(string message_): message(message_) {}
+	const char * what() const throw()
+	{
+		return message.c_str();
+	}
+	~SaveLoadException() throw() {};
+};
+
+#endif /* SAVELOADEXCEPTION_H_ */