// ZWnd.cpp : implementation file
//

#include "stdafx.h"
#include "Radiant.h"
#include "ZWnd.h"
#include "qe3.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif


/////////////////////////////////////////////////////////////////////////////
// CZWnd
IMPLEMENT_DYNCREATE(CZWnd, CWnd);


CZWnd::CZWnd()
{
	m_pZClip = NULL;
}

CZWnd::~CZWnd()
{
}


BEGIN_MESSAGE_MAP(CZWnd, CWnd)
	//{{AFX_MSG_MAP(CZWnd)
	ON_WM_CREATE()
	ON_WM_DESTROY()
	ON_WM_KEYDOWN()
	ON_WM_LBUTTONDOWN()
	ON_WM_MBUTTONDOWN()
	ON_WM_RBUTTONDOWN()
	ON_WM_PAINT()
	ON_WM_GETMINMAXINFO()
	ON_WM_MOUSEMOVE()
	ON_WM_SIZE()
	ON_WM_NCCALCSIZE()
	ON_WM_KILLFOCUS()
	ON_WM_SETFOCUS()
	ON_WM_CLOSE()
	ON_WM_LBUTTONUP()
	ON_WM_MBUTTONUP()
	ON_WM_RBUTTONUP()
	ON_WM_KEYUP()
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()


/////////////////////////////////////////////////////////////////////////////
// CZWnd message handlers

int CZWnd::OnCreate(LPCREATESTRUCT lpCreateStruct) 
{
	if (CWnd::OnCreate(lpCreateStruct) == -1)
		return -1;

	g_qeglobals.d_hwndZ = GetSafeHwnd();

  m_dcZ = ::GetDC(GetSafeHwnd());
  QEW_SetupPixelFormat(m_dcZ, false);
	if ((m_hglrcZ = qwglCreateContext(m_dcZ )) == 0)
	  Error("wglCreateContext in CZWnd::OnCreate failed");

	if (!qwglShareLists(g_qeglobals.d_hglrcBase, m_hglrcZ))
	  Error( "wglShareLists in CZWnd::OnCreate failed");

  if (!qwglMakeCurrent(m_dcZ, m_hglrcZ))
	  Error ("wglMakeCurrent in CZWnd::OnCreate failed");

	m_pZClip = new CZClip();

	return 0;
}

void CZWnd::OnDestroy() 
{
	if (m_pZClip)
	{
		delete m_pZClip;
		m_pZClip = NULL;
	}

  QEW_StopGL(GetSafeHwnd(), m_hglrcZ, m_dcZ);
	CWnd::OnDestroy();
}

void CZWnd::OnKeyDown(UINT nChar, UINT nRepCnt, UINT nFlags) 
{
  g_pParentWnd->HandleKey(nChar, nRepCnt, nFlags);
}

void CZWnd::OnLButtonDown(UINT nFlags, CPoint point) 
{
  SetFocus();
  SetCapture();
  CRect rctZ;
  GetClientRect(rctZ);
	Z_MouseDown (point.x, rctZ.Height() - 1 - point.y , nFlags);
}

void CZWnd::OnMButtonDown(UINT nFlags, CPoint point) 
{
  SetFocus();
  SetCapture();
  CRect rctZ;
  GetClientRect(rctZ);
	Z_MouseDown (point.x, rctZ.Height() - 1 - point.y , nFlags);
}

void CZWnd::OnRButtonDown(UINT nFlags, CPoint point) 
{
  SetFocus();
  SetCapture();
  CRect rctZ;
  GetClientRect(rctZ);
	Z_MouseDown (point.x, rctZ.Height() - 1 - point.y , nFlags);
}

void CZWnd::OnPaint() 
{
	CPaintDC dc(this); // device context for painting
  //if (!wglMakeCurrent(m_dcZ, m_hglrcZ))
  if (!qwglMakeCurrent(dc.m_hDC, m_hglrcZ))
  {
    Sys_Printf("ERROR: wglMakeCurrent failed..\n ");
    Sys_Printf("Please restart QERadiant if the Z view is not working\n");
  }
  else
  {
	  QE_CheckOpenGLForErrors();
    Z_Draw ();
	  //qwglSwapBuffers(m_dcZ);
	  qwglSwapBuffers(dc.m_hDC);
//    TRACE("Z Paint\n");
  }
}

void CZWnd::OnGetMinMaxInfo(MINMAXINFO FAR* lpMMI) 
{
	lpMMI->ptMinTrackSize.x = ZWIN_WIDTH;
}

void CZWnd::OnMouseMove(UINT nFlags, CPoint point) 
{
  CRect rctZ;
  GetClientRect(rctZ);
  float fz = z.origin[2] + ((rctZ.Height() - 1 - point.y) - (z.height/2)) / z.scale;
	fz = floor(fz / g_qeglobals.d_gridsize + 0.5) * g_qeglobals.d_gridsize;
  CString strStatus;
  strStatus.Format("Z:: %.1f", fz);
  g_pParentWnd->SetStatusText(1, strStatus);
  Z_MouseMoved (point.x, rctZ.Height() - 1 - point.y, nFlags);
}

void CZWnd::OnSize(UINT nType, int cx, int cy) 
{
	CWnd::OnSize(nType, cx, cy);
  CRect rctZ;
  GetClientRect(rctZ);
  z.width = rctZ.right;
	z.height = rctZ.bottom;
  if (z.width < 10)
    z.width = 10;
  if (z.height < 10)
    z.height = 10;
  Invalidate();
}

void CZWnd::OnNcCalcSize(BOOL bCalcValidRects, NCCALCSIZE_PARAMS FAR* lpncsp) 
{
	CWnd::OnNcCalcSize(bCalcValidRects, lpncsp);
}

void CZWnd::OnKillFocus(CWnd* pNewWnd) 
{
	CWnd::OnKillFocus(pNewWnd);
	SendMessage(WM_NCACTIVATE, FALSE , 0 );
}

void CZWnd::OnSetFocus(CWnd* pOldWnd) 
{
	CWnd::OnSetFocus(pOldWnd);
	SendMessage(WM_NCACTIVATE, TRUE , 0 );
}

void CZWnd::OnClose() 
{
	CWnd::OnClose();
}

void CZWnd::OnLButtonUp(UINT nFlags, CPoint point) 
{
  CRect rctZ;
  GetClientRect(rctZ);
	Z_MouseUp (point.x, rctZ.bottom - 1 - point.y, nFlags);
	if (! (nFlags & (MK_LBUTTON|MK_RBUTTON|MK_MBUTTON)))
  	ReleaseCapture ();
}

void CZWnd::OnMButtonUp(UINT nFlags, CPoint point) 
{
  CRect rctZ;
  GetClientRect(rctZ);
	Z_MouseUp (point.x, rctZ.bottom - 1 - point.y, nFlags);
	if (! (nFlags & (MK_LBUTTON|MK_RBUTTON|MK_MBUTTON)))
  	ReleaseCapture ();
}

void CZWnd::OnRButtonUp(UINT nFlags, CPoint point) 
{
  CRect rctZ;
  GetClientRect(rctZ);
	Z_MouseUp (point.x, rctZ.bottom - 1 - point.y, nFlags);
	if (! (nFlags & (MK_LBUTTON|MK_RBUTTON|MK_MBUTTON)))
  	ReleaseCapture ();
}


BOOL CZWnd::PreCreateWindow(CREATESTRUCT& cs) 
{
  WNDCLASS wc;
  HINSTANCE hInstance = AfxGetInstanceHandle();
  if (::GetClassInfo(hInstance, Z_WINDOW_CLASS, &wc) == FALSE)
  {
    // Register a new class
  	memset (&wc, 0, sizeof(wc));
    wc.style         = CS_NOCLOSE | CS_OWNDC;
    wc.lpszClassName = Z_WINDOW_CLASS;
    wc.hCursor       = LoadCursor (NULL,IDC_ARROW);
    wc.lpfnWndProc = ::DefWindowProc;
    if (AfxRegisterClass(&wc) == FALSE)
      Error ("CZWnd RegisterClass: failed");
  }

  cs.lpszClass = Z_WINDOW_CLASS;
  cs.lpszName = "Z";
  if (cs.style != QE3_CHILDSTYLE)
    cs.style = QE3_SPLITTER_STYLE;

	return CWnd::PreCreateWindow(cs);
}


void CZWnd::OnKeyUp(UINT nChar, UINT nRepCnt, UINT nFlags) 
{
  g_pParentWnd->HandleKey(nChar, nRepCnt, nFlags, false);
}