camwnd.cpp

quake3工具源码。包括生成bsp文件

// CamWnd.cpp : implementation file
//

#include "stdafx.h"
#include "Radiant.h"
#include "XYWnd.h"
#include "CamWnd.h"
#include "qe3.h"

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

extern void DrawPathLines();

int g_nAngleSpeed = 300;
int g_nMoveSpeed = 400;


/////////////////////////////////////////////////////////////////////////////
// CCamWnd
IMPLEMENT_DYNCREATE(CCamWnd, CWnd);

CCamWnd::CCamWnd()
{
  m_pXYFriend = NULL;
  m_nNumTransBrushes = 0;
  memset(&m_Camera, 0, sizeof(camera_t));
  m_pSide_select = NULL;
  m_bClipMode = false;
  Cam_Init();
}

CCamWnd::~CCamWnd()
{
}


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


LONG WINAPI CamWndProc (
    HWND    hWnd,
    UINT    uMsg,
    WPARAM  wParam,
    LPARAM  lParam)
{
    RECT	rect;

    GetClientRect(hWnd, &rect);

    switch (uMsg)
    {
	case WM_KILLFOCUS:
	case WM_SETFOCUS:
		SendMessage( hWnd, WM_NCACTIVATE, uMsg == WM_SETFOCUS, 0 );
		return 0;

	case WM_NCCALCSIZE:// don't let windows copy pixels
		DefWindowProc (hWnd, uMsg, wParam, lParam);
		return WVR_REDRAW;

    }

	return DefWindowProc( hWnd, uMsg, wParam, lParam );
}


/////////////////////////////////////////////////////////////////////////////
// CCamWnd message handlers

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

  cs.lpszClass = CAMERA_WINDOW_CLASS;
  cs.lpszName = "CAM";
  if (cs.style != QE3_CHILDSTYLE)
    cs.style = QE3_SPLITTER_STYLE;

	BOOL bResult = CWnd::PreCreateWindow(cs);

  // See if the class already exists and if not then we need
  // to register our new window class.
  return bResult;
	
}


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


brush_t* g_pSplitList = NULL;

void CCamWnd::OnPaint() 
{
	CPaintDC dc(this); // device context for painting
  bool bPaint = true;
  if (!qwglMakeCurrent( dc.m_hDC, g_qeglobals.d_hglrcBase ))
  {
    Sys_Printf("ERROR: wglMakeCurrent failed..\n ");
    Sys_Printf("Please restart Q3Radiant if the camera view is not working\n");
  }
  else
  {
    QE_CheckOpenGLForErrors();
    g_pSplitList = NULL;
    if (g_bClipMode)
    {
      if (g_Clip1.Set() && g_Clip2.Set())
      {
        g_pSplitList = ( (g_pParentWnd->ActiveXY()->GetViewType() == XZ) ? !g_bSwitch : g_bSwitch) ? &g_brBackSplits : &g_brFrontSplits;
      }
    }
		Cam_Draw ();
		QE_CheckOpenGLForErrors();
		qwglSwapBuffers(dc.m_hDC);
  }
}


void CCamWnd::SetXYFriend(CXYWnd * pWnd)
{
  m_pXYFriend = pWnd;
}

void CCamWnd::OnDestroy() 
{
	QEW_StopGL(GetSafeHwnd(), g_qeglobals.d_hglrcBase, g_qeglobals.d_hdcBase );
	CWnd::OnDestroy();
}

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

extern void Select_ShiftTexture(int x, int y);
extern void Select_RotateTexture(int amt);
extern void Select_ScaleTexture(int x, int y);
void CCamWnd::OnMouseMove(UINT nFlags, CPoint point) 
{
  CRect r;
  GetClientRect(r);
  if (GetCapture() == this && (GetKeyState(VK_MENU) & 0x8000) && !((GetKeyState(VK_SHIFT) & 0x8000) || (GetKeyState(VK_CONTROL) & 0x8000)))
  {
    if (GetKeyState(VK_CONTROL) & 0x8000)
      Select_RotateTexture(point.y - m_ptLastCursor.y);
    else
    if (GetKeyState(VK_SHIFT) & 0x8000)
      Select_ScaleTexture(point.x - m_ptLastCursor.x, m_ptLastCursor.y - point.y);
    else
      Select_ShiftTexture(point.x - m_ptLastCursor.x, m_ptLastCursor.y - point.y);
  }
  else
  {
    Cam_MouseMoved(point.x, r.bottom - 1 - point.y, nFlags);
  }
  m_ptLastCursor = point;
}

void CCamWnd::OnLButtonDown(UINT nFlags, CPoint point) 
{
  m_ptLastCursor = point;
  OriginalMouseDown(nFlags, point);
}

void CCamWnd::OnLButtonUp(UINT nFlags, CPoint point) 
{
  OriginalMouseUp(nFlags, point);
}

void CCamWnd::OnMButtonDown(UINT nFlags, CPoint point) 
{
  OriginalMouseDown(nFlags, point);
}

void CCamWnd::OnMButtonUp(UINT nFlags, CPoint point) 
{
  OriginalMouseUp(nFlags, point);
}

void CCamWnd::OnRButtonDown(UINT nFlags, CPoint point) 
{
  OriginalMouseDown(nFlags, point);
}

void CCamWnd::OnRButtonUp(UINT nFlags, CPoint point) 
{
  OriginalMouseUp(nFlags, point);
}

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

	g_qeglobals.d_hdcBase = GetDC()->m_hDC;
	QEW_SetupPixelFormat(g_qeglobals.d_hdcBase, true);

  if ((g_qeglobals.d_hglrcBase = qwglCreateContext(g_qeglobals.d_hdcBase)) == 0)
	  Error("wglCreateContext failed");
  
  if (!qwglMakeCurrent(g_qeglobals.d_hdcBase, g_qeglobals.d_hglrcBase))
	  Error ("wglMakeCurrent failed");


	//
	// create GL font
	//
  HFONT hfont = ::CreateFont(
	  12,	// logical height of font 
		 6,	// logical average character width 
		 0,	// angle of escapement 
		 0,	// base-line orientation angle 
		 0,	// font weight 
		 0,	// italic attribute flag 
		 0,	// underline attribute flag 
		 0,	// strikeout attribute flag 
		 0,	// character set identifier 
		 0,	// output precision 
		 0,	// clipping precision 
		 0,	// output quality 
		 0,	// pitch and family 
		 "system font" // pointer to typeface name string 
		 	);

	if (!hfont)
	  Error( "couldn't create font" );

  ::SelectObject(g_qeglobals.d_hdcBase, hfont);

	if ((g_qeglobals.d_font_list = qglGenLists (256)) == 0)
	  Error( "couldn't create font dlists" );
			
	// create the bitmap display lists
	// we're making images of glyphs 0 thru 255
  
  if (g_PrefsDlg.m_bBuggyICD)
  {
	  if ( !qwglUseFontBitmaps (g_qeglobals.d_hdcBase, 1, 255, g_qeglobals.d_font_list-1) )
	    Error( "wglUseFontBitmaps faileD" );
  }
  else
  {
	  if ( !qwglUseFontBitmaps (g_qeglobals.d_hdcBase, 1, 255, g_qeglobals.d_font_list) )
	    Error( "wglUseFontBitmaps faileD" );
  }
	
	// indicate start of glyph display lists
	qglListBase (g_qeglobals.d_font_list);

	// report OpenGL information
	Sys_Printf ("GL_VENDOR: %s\n", qglGetString (GL_VENDOR));
	Sys_Printf ("GL_RENDERER: %s\n", qglGetString (GL_RENDERER));
	Sys_Printf ("GL_VERSION: %s\n", qglGetString (GL_VERSION));
	Sys_Printf ("GL_EXTENSIONS: %s\n", qglGetString (GL_EXTENSIONS));

  g_qeglobals.d_hwndCamera = GetSafeHwnd();

	return 0;
}

void CCamWnd::OriginalMouseUp(UINT nFlags, CPoint point)
{
  CRect r;
  GetClientRect(r);
  Cam_MouseUp(point.x, r.bottom - 1 - point.y, nFlags);
	if (!(nFlags & (MK_LBUTTON|MK_RBUTTON|MK_MBUTTON)))
  	ReleaseCapture ();
}

void CCamWnd::OriginalMouseDown(UINT nFlags, CPoint point)
{
  //if (GetTopWindow()->GetSafeHwnd() != GetSafeHwnd())
  //  BringWindowToTop();
  CRect r;
  GetClientRect(r);
  SetFocus();
	SetCapture();
  //if (!(GetKeyState(VK_MENU) & 0x8000))
	  Cam_MouseDown (point.x, r.bottom - 1 - point.y, nFlags);
}

void CCamWnd::Cam_Init()
{
	//m_Camera.draw_mode = cd_texture;
	m_Camera.timing = false;
	m_Camera.origin[0] = 0;
	m_Camera.origin[1] = 20;
	m_Camera.origin[2] = 46;
	m_Camera.color[0] = 0.3;
	m_Camera.color[1] = 0.3;
	m_Camera.color[2] = 0.3;
}

void CCamWnd::Cam_BuildMatrix()
{
	float	xa, ya;
	float	matrix[4][4];
	int		i;

	xa = m_Camera.angles[0]/180*Q_PI;
	ya = m_Camera.angles[1]/180*Q_PI;

	// the movement matrix is kept 2d

  m_Camera.forward[0] = cos(ya);
  m_Camera.forward[1] = sin(ya);
  m_Camera.right[0] = m_Camera.forward[1];
  m_Camera.right[1] = -m_Camera.forward[0];

	qglGetFloatv (GL_PROJECTION_MATRIX, &matrix[0][0]);

	for (i=0 ; i<3 ; i++)
	{
		m_Camera.vright[i] = matrix[i][0];
		m_Camera.vup[i] = matrix[i][1];
		m_Camera.vpn[i] = matrix[i][2];
	}

	VectorNormalize (m_Camera.vright);
	VectorNormalize (m_Camera.vup);
	VectorNormalize (m_Camera.vpn);
}



void CCamWnd::Cam_ChangeFloor (qboolean up)
{
	brush_t	*b;
	float	d, bestd, current;
	vec3_t	start, dir;

	start[0] = m_Camera.origin[0];
	start[1] = m_Camera.origin[1];
	start[2] = 8192;
	dir[0] = dir[1] = 0;
	dir[2] = -1;

	current = 8192 - (m_Camera.origin[2] - 48);
	if (up)
		bestd = 0;
	else
		bestd = 16384;

	for (b=active_brushes.next ; b != &active_brushes ; b=b->next)
	{
		if (!Brush_Ray (start, dir, b, &d))
			continue;
		if (up && d < current && d > bestd)
			bestd = d;
		if (!up && d > current && d < bestd)
			bestd = d;
	}

	if (bestd == 0 || bestd == 16384)
		return;

	m_Camera.origin[2] += current - bestd;
	Sys_UpdateWindows (W_CAMERA|W_Z_OVERLAY);
}


void CCamWnd::Cam_PositionDrag()
{
	int	x, y;
	Sys_GetCursorPos (&x, &y);
	if (x != m_ptCursor.x || y != m_ptCursor.y)
	{
		x -= m_ptCursor.x;
		VectorMA (m_Camera.origin, x, m_Camera.vright, m_Camera.origin);
		y -= m_ptCursor.y;
		m_Camera.origin[2] -= y;
    SetCursorPos(m_ptCursor.x, m_ptCursor.y);
		Sys_UpdateWindows (W_CAMERA | W_XY_OVERLAY);
	}
}


void CCamWnd::Cam_MouseControl (float dtime)
{
	int		xl, xh;
	int		yl, yh;
	float	xf, yf;
  if (g_PrefsDlg.m_nMouseButtons == 2)
  {
    if (m_nCambuttonstate != (MK_RBUTTON | MK_SHIFT))
      return;
  }
  else
  {
	  if (m_nCambuttonstate != MK_RBUTTON)
      return;
  }

	xf = (float)(m_ptButton.x - m_Camera.width/2) / (m_Camera.width/2);
	yf = (float)(m_ptButton.y - m_Camera.height/2) / (m_Camera.height/2);


	xl = m_Camera.width/3;
	xh = xl*2;
	yl = m_Camera.height/3;
	yh = yl*2;

  //Sys_Printf("xf-%f  yf-%f  xl-%i  xh-i%  yl-i%  yh-i%\n",xf,yf,xl,xh,yl,yh);
#if 0
	// strafe
	if (buttony < yl && (buttonx < xl || buttonx > xh))
		VectorMA (camera.origin, xf*dtime*g_nMoveSpeed, camera.right, camera.origin);
	else
#endif
	{
		xf *= 1.0 - fabs(yf);
		if (xf < 0)
		{
			xf += 0.1;
			if (xf > 0)
				xf = 0;
		}
		else
		{
			xf -= 0.1;
			if (xf < 0)
				xf = 0;
		}
		
		VectorMA (m_Camera.origin, yf*dtime*g_nMoveSpeed, m_Camera.forward, m_Camera.origin);
		m_Camera.angles[YAW] += xf*-dtime*g_nAngleSpeed;
	}

#if 0
  if (g_PrefsDlg.m_bQE4Painting)
  {
    MSG msg;
    if (::PeekMessage( &msg, NULL, 0, 0, PM_REMOVE )) 
    { 
      TranslateMessage(&msg);
      DispatchMessage(&msg);
    }
  }
#endif

  int nUpdate = (g_PrefsDlg.m_bCamXYUpdate) ? (W_CAMERA | W_XY) : (W_CAMERA);
	Sys_UpdateWindows (nUpdate);
  g_pParentWnd->PostMessage(WM_TIMER, 0, 0);

}



void CCamWnd::Cam_MouseDown(int x, int y, int buttons)
{
	vec3_t		dir;
	float		f, r, u;
	int			i;

	//
	// calc ray direction
	//
	u = (float)(y - m_Camera.height/2) / (m_Camera.width/2);
	r = (float)(x - m_Camera.width/2) / (m_Camera.width/2);
	f = 1;

	for (i=0 ; i<3 ; i++)
		dir[i] = m_Camera.vpn[i] * f + m_Camera.vright[i] * r + m_Camera.vup[i] * u;
	VectorNormalize (dir);

	GetCursorPos(&m_ptCursor);

	m_nCambuttonstate = buttons;
	m_ptButton.x = x;
	m_ptButton.y = y;

	// LBUTTON = manipulate selection
	// shift-LBUTTON = select
	// middle button = grab texture
	// ctrl-middle button = set entire brush to texture
	// ctrl-shift-middle button = set single face to texture
	int nMouseButton = g_PrefsDlg.m_nMouseButtons == 2 ? MK_RBUTTON : MK_MBUTTON;
	if ((buttons == MK_LBUTTON)
		        || (buttons == (MK_LBUTTON | MK_SHIFT))
		        || (buttons == (MK_LBUTTON | MK_CONTROL))
		        || (buttons == (MK_LBUTTON | MK_CONTROL | MK_SHIFT))
		        || (buttons == nMouseButton)
		        || (buttons == (nMouseButton|MK_SHIFT))
		        || (buttons == (nMouseButton|MK_CONTROL))
		        || (buttons == (nMouseButton|MK_SHIFT|MK_CONTROL)))
	{

    if (g_PrefsDlg.m_nMouseButtons == 2 && (buttons == (MK_RBUTTON | MK_SHIFT)))
		  Cam_MouseControl (0.1);
    else
    {
      // something global needs to track which window is responsible for stuff
      Patch_SetView(W_CAMERA);
		  Drag_Begin (x, y, buttons, m_Camera.vright, m_Camera.vup,	m_Camera.origin, dir);
    }
    return;
	}

	if (buttons == MK_RBUTTON)
	{
		Cam_MouseControl (0.1);
		return;
	}
}


void CCamWnd::Cam_MouseUp (int x, int y, int buttons)
{
	m_nCambuttonstate = 0;
	Drag_MouseUp (buttons);
}


void CCamWnd::Cam_MouseMoved (int x, int y, int buttons)