I have an event class that looks like this:

class CEvent
{
	void* m_pData;
	EVENT_TYPE m_etEventType;
	D3DXVECTOR2 m_vPos;
public:
	void SetData(void* pData){	m_pData = pData;	}
	void SetEventType(EVENT_TYPE etEventType){	m_etEventType = etEventType;	}
	void SetPosition(D3DXVECTOR2 vPos){	m_vPos = vPos;	}
	void SetPosition(int x, int y) {	m_vPos = D3DXVECTOR2((float)x,(float)y);	}

	int GetX(){	return (int)m_vPos.x;	}
	int GetY(){	return (int)m_vPos.y;	}
	void* GetData(){	return m_pData;	}
};

Then I make a global instance of it named g_eMyEvent. Then I set the data using this: g_eMyEvent.SetData("Message Event test."); g_eMyEvent.SetEventType(MESSAGE); g_eMyEvent.SetPosition(0,0); And check if the player is at that position using this:

void UpdateLogic()
{
	if(g_Engine.GetPlayerX() == g_eMyEvent.GetX() && g_Engine.GetPlayerY() == g_eMyEvent.GetY())
	{
		g_bUpdateMessageArea = TRUE;
		strcpy(g_pMsgAreaTotal[g_iMsgAreaTotalIndex],(char*)g_eMyEvent.GetData());
		g_iMsgAreaTotalIndex++;
	}

	if(g_bUpdateMessageArea == TRUE)
	{
		strcpy(g_pCurrentMsgArea,g_pMsgAreaTotal[g_iMsgAreaCurrentIndex]);
		strcat(g_pCurrentMsgArea,"\n");
		strcat(g_pCurrentMsgArea,g_pMsgAreaTotal[g_iMsgAreaCurrentIndex + 1]);
		g_bUpdateMessageArea = FALSE;
	}
}

It loads and displays it, but then closes and gives me an access violation. Does anybody know what I''m doing wrong? Thanks in advance.

I've figured that I get the bug if I stay on the event, or if I walk over it more than once. So, I figure its probably this line:
strcpy(g_pMsgAreaTotal[g_iMsgAreaTotalIndex],(char*)g_eMyEvent.GetData());

But why would my computer have a problem with copying it more than once? Thanks again.

[edit]Update:
I tried making a derived class, called CMsgEvent and using a char* and I still get the error, so it's not the void* like I thought it was.

[edited by - Programmer16 on January 17, 2004 11:46:10 AM]

Ok, I figured it out. When I was making my array for holding my message (g_pMsgAreaTotal) I was doing it like this:
char g_pMsgAreaTotal[50][256] = {{"Welcome to Valkyria Legends."}};
And thats where my error was coming from.

Thanks Promit, I didn't even realize I didn't have that in there. One more question, about my display. I have 2 variables, one that represents the total number of lines in the array, and the current index, for scrolling up and down. I use this algorithm to increase the current index if I need to:
if(g_iMsgAreaTotalIndex % 2 == 0)
g_iMsgAreaCurrentIndex++;
And it works the first 2 or 3 times, but after that it doesn't. Any ideas? Thanks again.

[edit] : Nevermind, I figured out that all I have to do is:

if(g_iMsgAreaTotalIndex > 2)
g_iMsgAreaCurrentIndex++;

lol. Thanks for all the help!

[edited by - Programmer16 on January 17, 2004 12:37:06 PM]