/***********************************************************************************/
/**	\file				EditorHelp.cpp
**	\brief				Implementation zur Klasse EditorHelp
*************************************************************************************
**	Autor:				Christian Roesch
*************************************************************************************
**	-tut nichts-
**
*//*********************************************************************************/

// includes
#include "EditorHelp.h"

#include <cmath>
#include <ctime>
#include <cassert>
#include <sstream>


bool	EditorHelp::m_KeyPressed[ 256 ]= { false };
bool	EditorHelp::m_KeyDown[ 256 ]= { false };
HWND	EditorHelp::m_hwnd= NULL;
bool	EditorHelp::m_bShowDebugData= true;
LPD3DXFONT EditorHelp::m_pDebugFont= NULL;

extern int c_iScreenSizeY;
extern int c_iScreenSizeX;
extern IDirect3DDevice9 *g_d3d_device;

// Methoden-Definitionen

EditorHelp::EditorHelp()
{
}

EditorHelp::~EditorHelp()
{
}

void EditorHelp::SetHWND( HWND hwnd )
{
	m_hwnd= hwnd;
}

void EditorHelp::CheckKeys()
{
	if( m_hwnd == NULL )
	{
		m_hwnd= GetForegroundWindow();
	}

	if( m_hwnd == GetForegroundWindow() )
	{
		for( int i= 0; i < 256; i++ )
		{
			SHORT iKey= GetAsyncKeyState( i );
			m_KeyPressed[ i ]= false;
			if( iKey & 0x8000 )
			{
				if( m_KeyDown[ i ] == false )
				{
					m_KeyPressed[ i ]= true;
				}
				m_KeyDown[ i ]= true;
			}
			else
			{
				m_KeyDown[ i ]= false;
			}
		}
	}
	else
	{
		for( int i= 0; i < 256; i++ )
		{
			m_KeyPressed[ i ]= false;
			m_KeyDown[ i ]= false;
		}
	}
}

float EditorHelp::GetKeyDownVal(	float fCurrent,
						int KeyAdd, 
						int KeySub,
						float fDefault, 
						float fSlow, 
						float fFast )
{
	return GetKeyVal(	fCurrent,
						m_KeyDown[ KeyAdd ],
						m_KeyDown[ KeySub ],
						fDefault, 
						fSlow, 
						fFast );
}

float EditorHelp::GetKeyPressedVal(	float fCurrent,
						int KeyAdd, 
						int KeySub,
						float fDefault, 
						float fSlow, 
						float fFast )
{
	return GetKeyVal(	fCurrent,
						m_KeyPressed[ KeyAdd ],
						m_KeyPressed[ KeySub ],
						fDefault, 
						fSlow, 
						fFast );
}

float EditorHelp::GetKeyVal(	float fCurrent,
								bool bAdd,
								bool bSub,
								float fDefault, 
								float fSlow, 
								float fFast )
{
	//Konventionen fuer Tastenbelegung eingehalten?
	assert( fSlow <= fDefault );
	assert( fDefault <= fFast );

	float fChange= fDefault;
	if( m_KeyDown[ VK_SHIFT ] )
	{
		fChange= fFast;
	}
	if( m_KeyDown[ VK_CONTROL ] )
	{
		fChange= fSlow;
	}
	int iVal= (int)Round( fCurrent / fChange );

	if( bAdd )
	{
		return (float)(iVal + 1 ) * fChange;
	}
	if( bSub )
	{
		return (float)(iVal - 1 ) * fChange;
	}

	return fCurrent;
}
 float EditorHelp::Round(float Val )
{
	return floor(Val + 0.5f);
}

void EditorHelp::PrintDebug( int iLine, int iColumn, char* pcData )
{
	PrintDebugPos(	2.0f + (float)iLine * 12.0f, 
					2.0f + (float)iColumn * 9.0f,
					pcData );
}

void EditorHelp::PrintDebugPos( float fY, float fX, char* pcData )
{
	if( m_bShowDebugData )
	{
		RECT r= { 
			0 + (int)fX, 
			0 + (int)fY,
			c_iScreenSizeX + (int)fX,
			c_iScreenSizeY + (int)fX };

		m_pDebugFont->DrawText(	
			NULL,
			pcData,
			strlen(pcData),
			&r,
			DT_TOP | DT_LEFT,
			0xff000000 );
		r.top-=1;
		r.left-=1;
		m_pDebugFont->DrawText(	
			NULL,
			pcData,
			strlen(pcData),
			&r,
			DT_TOP | DT_LEFT,
			0xffffffff );
	}
}

std::string EditorHelp::GetDateString()
{
	time_t t;
	struct tm ts;

	t = time(NULL);
	localtime_s( &ts, &t );
	std::stringstream ss;
	ss << ts.tm_mon + 1 << "_";
	ss << ts.tm_mday << "_";
	ss << ts.tm_hour << "_";
	ss << ts.tm_min << "_";
	ss << ts.tm_sec;

	return ss.str();
}

void EditorHelp::PreparePrint()
{
	if( m_pDebugFont != NULL )
	{
		return;
	}

	static D3DXFONT_DESC FontDescription=
	{
		50,
		20,
		0,
		8,
		FALSE,
		0,
		0,
		5, // CLEARTYPE_QUALITY
		0,
		"Courier"
	};

	FontDescription.Height= 12;
	FontDescription.Width= 9;
	D3DXCreateFontIndirect( g_d3d_device, 
		&FontDescription,
		&m_pDebugFont );
}

/************************************************************************************
**	Ende der Datei:		EditorHelp.cpp
************************************************************************************/