Team Fortress 2 Source Code as on 22/4/2020
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//========= Copyright Valve Corporation, All rights reserved. ============//
//
// Purpose: Implements the angle custom control, a circle with a line indicating
// a rotation angle.
//
//=============================================================================//
#include "stdafx.h"
#include "hammer.h"
#include "AngleBox.h"
#include "hammer_mathlib.h"
#include "CustomMessages.h"
// memdbgon must be the last include file in a .cpp file!!!
#include "tier0/memdbgon.h"
#pragma warning(disable: 4244)
BEGIN_MESSAGE_MAP(CAngleBox, CWnd)
//{{AFX_MSG_MAP(CAngleBox)
ON_WM_MOUSEMOVE()
ON_WM_LBUTTONUP()
ON_WM_LBUTTONDOWN()
ON_WM_PAINT()
//}}AFX_MSG_MAP
END_MESSAGE_MAP()
//-----------------------------------------------------------------------------
// Purpose: Constructor.
//-----------------------------------------------------------------------------
CAngleBox::CAngleBox(void)
{
m_vecAngles.Init();
m_bDragging = false;
m_pEdit = NULL;
}
//-----------------------------------------------------------------------------
// Purpose: Destructor.
//-----------------------------------------------------------------------------
CAngleBox::~CAngleBox()
{
}
//-----------------------------------------------------------------------------
// Purpose:
// Input : nFlags -
// point -
//-----------------------------------------------------------------------------
void CAngleBox::OnMouseMove(UINT nFlags, CPoint point)
{
if (m_bDragging)
{
//
// Remove old angle line by redrawing it (XOR).
//
DrawAngleLine(&m_DragDC);
//
// Calculate new yaw.
//
int nNewYaw = fixang(180 - (int)lineangle(point.x, point.y, m_ptClientCenter.x, m_ptClientCenter.y));
m_vecAngles.Init();
m_vecAngles[YAW] = nNewYaw;
//
// Draw the new angle line.
//
DrawAngleLine(&m_DragDC);
}
CWnd::OnMouseMove(nFlags, point);
}
//-----------------------------------------------------------------------------
// Purpose:
// Input : nFlags -
// point -
//-----------------------------------------------------------------------------
void CAngleBox::OnLButtonUp(UINT nFlags, CPoint point)
{
// release dc
if (m_bDragging)
{
::ReleaseDC(m_hWnd, m_DragDC.Detach());
m_bDragging = false;
ReleaseCapture();
//
// They've explicity set the angles, so clear the different flag for
// the multiselect case.
//
SetDifferent(false);
GetParent()->PostMessage(ABN_CHANGED, GetDlgCtrlID(), 0);
}
CWnd::OnLButtonUp(nFlags, point);
}
//-----------------------------------------------------------------------------
// Purpose:
// Input : nFlags -
// point -
//-----------------------------------------------------------------------------
void CAngleBox::OnLButtonDown(UINT nFlags, CPoint point)
{
//
// Start dragging.
//
m_DragDC.Attach(::GetDC(m_hWnd));
m_bDragging = true;
SetCapture();
CWnd::OnLButtonDown(nFlags, point);
OnMouseMove(0, point);
}
//-----------------------------------------------------------------------------
// Purpose:
// Input : pDC -
//-----------------------------------------------------------------------------
void CAngleBox::DrawAngleLine(CDC *pDC)
{
if ((m_vecAngles[PITCH] != 0) || (m_vecAngles[ROLL] != 0) ||
(m_vecAngles[YAW] < 0 || m_vecAngles[YAW] > 359) || m_bDifferent)
{
return;
}
pDC->SetROP2(R2_XORPEN);
pDC->SelectStockObject(WHITE_PEN);
CRect r;
GetClientRect(r);
m_ptClientCenter = r.CenterPoint();
double rad = r.Width() / 2 - 3;
CPoint pt;
pt.x = m_ptClientCenter.x + sin(DEG2RAD((double)(m_vecAngles[YAW] + 90))) * rad + 0.5;
pt.y = m_ptClientCenter.y + cos(DEG2RAD((double)(m_vecAngles[YAW] + 90))) * rad + 0.5;
pDC->MoveTo(m_ptClientCenter);
pDC->LineTo(pt);
}
//-----------------------------------------------------------------------------
// Purpose: Returns the current state of the control as a keyvalue string.
// Input : szAngles - Buffer to receive angles string.
// Output : Returns 'szAngles'.
//-----------------------------------------------------------------------------
bool CAngleBox::GetAngles(QAngle &vecAngles)
{
if (m_bDifferent)
{
return false;
}
vecAngles = m_vecAngles;
return(true);
}
//-----------------------------------------------------------------------------
// Purpose: Returns the current state of the control as a keyvalue string.
// Input : szAngles - Buffer to receive angles string.
// Output : Returns 'szAngles'.
//-----------------------------------------------------------------------------
char *CAngleBox::GetAngles(char *szAngles)
{
QAngle vecAngles;
GetAngles(vecAngles);
sprintf(szAngles, "%g %g %g", (double)vecAngles[0], (double)vecAngles[1], (double)vecAngles[2]);
return(szAngles);
}
//-----------------------------------------------------------------------------
// Purpose: Returns a string indicating the current state of the angle control.
// This is used for setting the text in the companion edit control.
// Input : szBuf - Buffer to receive string.
//-----------------------------------------------------------------------------
char *CAngleBox::GetAngleEditText(char *szBuf)
{
szBuf[0] = '\0';
if (m_bDifferent)
{
strcpy(szBuf, "(diff)");
}
else if ((m_vecAngles[PITCH] == 90) && (m_vecAngles[YAW] == 0) && (m_vecAngles[ROLL] == 0))
{
strcpy(szBuf, "Down");
}
else if ((m_vecAngles[PITCH] == -90) && (m_vecAngles[YAW] == 0) && (m_vecAngles[ROLL] == 0))
{
strcpy(szBuf, "Up");
}
else if (m_vecAngles[YAW] >= 0)
{
itoa((int)m_vecAngles[YAW], szBuf, 10);
}
return(szBuf);
}
//-----------------------------------------------------------------------------
// Purpose: Called internally and by the linked combo box, this updates the angles
// without updating the linked combo box.
// Input : szAngles -
// bRedraw -
//-----------------------------------------------------------------------------
void CAngleBox::SetAnglesInternal(const QAngle &vecAngles, bool bRedraw)
{
QAngle vecAngleSet = vecAngles;
while (vecAngleSet[YAW] < 0)
{
vecAngleSet[YAW] += 360.0;
}
CDC *pDC = NULL;
if (bRedraw)
{
//
// Erase the old line.
//
Assert(::IsWindow(m_hWnd));
pDC = GetDC();
if (pDC != NULL)
{
DrawAngleLine(pDC);
}
}
//
// Update the data member.
//
m_vecAngles = vecAngleSet;
if ((bRedraw) && (pDC != NULL))
{
//
// Draw the new line.
//
DrawAngleLine(pDC);
ReleaseDC(pDC);
}
}
//-----------------------------------------------------------------------------
// Purpose: Called from the client code, this sets our angles and updates the
// linked combo box.
// Input : szAngles -
// bRedraw -
//-----------------------------------------------------------------------------
void CAngleBox::SetAngles(const QAngle &vecAngles, bool bRedraw)
{
SetAnglesInternal(vecAngles, bRedraw);
UpdateAngleEditText();
}
//-----------------------------------------------------------------------------
// Purpose: Called from the client code, this sets our angles via a string and
// updates the linked combo box.
// Input : szAngles -
// bRedraw -
//-----------------------------------------------------------------------------
void CAngleBox::SetAngles(const char *szAngles, bool bRedraw)
{
QAngle vecAngles(0, 0, 0);
sscanf(szAngles, "%f %f %f", &vecAngles[PITCH], &vecAngles[YAW], &vecAngles[ROLL]);
SetAngles(vecAngles, bRedraw);
}
//-----------------------------------------------------------------------------
// Purpose: Called internally and by the linked combo box, this sets our
// 'different' state without updating the linked combo box.
// Input : bDifferent -
// bRedraw -
//-----------------------------------------------------------------------------
void CAngleBox::SetDifferentInternal(bool bDifferent, bool bRedraw)
{
CDC *pDC = NULL;
if (bRedraw)
{
//
// Erase the old line.
//
Assert(::IsWindow(m_hWnd));
pDC = GetDC();
if (pDC != NULL)
{
DrawAngleLine(pDC);
}
}
//
// Update the data member.
//
m_bDifferent = bDifferent;
if ((bRedraw) && (pDC != NULL))
{
//
// Draw the new line.
//
DrawAngleLine(pDC);
ReleaseDC(pDC);
}
}
//-----------------------------------------------------------------------------
// Purpose: Sets our state to indicate multiselect of objects with different
// angles to avoid mucking with the angles unless they explicitly set
// them to something new.
//-----------------------------------------------------------------------------
void CAngleBox::SetDifferent(bool bDifferent, bool bRedraw)
{
SetDifferentInternal(bDifferent, bRedraw);
UpdateAngleEditText();
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void CAngleBox::OnPaint(void)
{
PAINTSTRUCT ps;
CDC *pDC = BeginPaint(&ps);
if (pDC == NULL)
{
return;
}
CBrush brushWindow(GetSysColor(COLOR_3DFACE));
CBrush brushBlack(RGB(0, 0, 0));
CBrush *pBackBrush = IsWindowEnabled() ? &brushBlack : &brushWindow;
CRect r;
GetClientRect(r);
//
// Fill with the window color.
//
pDC->FillRect(&r, &brushWindow);
//
// Draw a 3D circle.
//
m_ptClientCenter = r.CenterPoint();
pDC->SelectStockObject(NULL_PEN);
pDC->SelectObject(pBackBrush);
pDC->Ellipse(r);
CPen hi(PS_SOLID, 2, GetSysColor(COLOR_3DSHADOW));
CPen lo(PS_SOLID, 2, GetSysColor(COLOR_3DHILIGHT));
pDC->SelectObject(hi);
pDC->Arc(r, CPoint(r.right, r.top), CPoint(r.left, r.bottom));
pDC->SelectObject(lo);
pDC->Arc(r, CPoint(r.left, r.bottom), CPoint(r.right, r.top));
//
// Draw center point.
//
pDC->SetPixel(m_ptClientCenter, RGB(0xff, 0xff, 0xff));
//
// Draw line indicating angles direction.
//
if (IsWindowEnabled())
{
DrawAngleLine(pDC);
}
EndPaint(&ps);
}
//-----------------------------------------------------------------------------
// Purpose: Enables or disables the angles controls.
//-----------------------------------------------------------------------------
void CAngleBox::Enable(bool bEnable)
{
if (bEnable)
{
EnableWindow(TRUE);
if (m_pEdit)
{
m_pEdit->EnableWindow(TRUE);
}
}
else
{
EnableWindow(FALSE);
if (m_pEdit)
{
m_pEdit->EnableWindow(FALSE);
}
}
Invalidate(FALSE);
UpdateWindow();
}
//-----------------------------------------------------------------------------
// Purpose: Hides or shows the angles controls.
//-----------------------------------------------------------------------------
void CAngleBox::Show(bool bShow)
{
if (bShow)
{
ShowWindow(SW_SHOW);
if (m_pEdit)
{
m_pEdit->ShowWindow(SW_SHOW);
}
}
else
{
ShowWindow(SW_HIDE);
if (m_pEdit)
{
m_pEdit->ShowWindow(SW_HIDE);
}
}
Invalidate(FALSE);
UpdateWindow();
}
//-----------------------------------------------------------------------------
// Purpose: Updates the text in the angle combo to reflect the current angles
// in the angles control.
//-----------------------------------------------------------------------------
void CAngleBox::UpdateAngleEditText(void)
{
if (m_pEdit)
{
char szBuf[20];
GetAngleEditText(szBuf);
m_pEdit->SetAnglesInternal(szBuf);
}
}
BEGIN_MESSAGE_MAP(CAngleCombo, CWnd)
//{{AFX_MSG_MAP(CAngleBox)
ON_CONTROL_REFLECT(CBN_EDITCHANGE, OnChangeAngleEdit)
ON_CONTROL_REFLECT(CBN_SELENDOK, OnSelChangeAngleEdit)
//}}AFX_MSG_MAP
END_MESSAGE_MAP()
//-----------------------------------------------------------------------------
// Purpose: Construktor.
//-----------------------------------------------------------------------------
CAngleCombo::CAngleCombo()
: CComboBox()
{
m_pBox = NULL;
m_bEnableUpdate = true;
}
//-----------------------------------------------------------------------------
// Purpose:
// Input : *szAngles -
//-----------------------------------------------------------------------------
void CAngleCombo::SetAnglesInternal(const char *szAngles)
{
m_bEnableUpdate = false;
SetWindowText(szAngles);
m_bEnableUpdate = true;
}
//-----------------------------------------------------------------------------
// Purpose: Handles a change in the contents of the angle edit control.
//-----------------------------------------------------------------------------
void CAngleCombo::OnChangeAngleEdit(void)
{
if (m_bEnableUpdate)
{
char buf[64];
GetWindowText(buf, 64);
UpdateAngleBox(buf);
GetParent()->PostMessage(ABN_CHANGED, GetDlgCtrlID(), 0);
}
}
//-----------------------------------------------------------------------------
// Purpose: Handles a change in the current selection of the angle edit combo.
//-----------------------------------------------------------------------------
void CAngleCombo::OnSelChangeAngleEdit(void)
{
char buf[64];
int nSel = GetCurSel();
GetLBText(nSel, buf);
UpdateAngleBox(buf);
GetParent()->PostMessage(ABN_CHANGED, GetDlgCtrlID(), 0);
}
//-----------------------------------------------------------------------------
// Purpose: Updates angle box with the settings from the combo box. Call the
// internal functions so we don't get a reflected notification, mucking
// up our state.
//-----------------------------------------------------------------------------
void CAngleCombo::UpdateAngleBox(char *szText)
{
if (m_pBox)
{
m_pBox->SetDifferentInternal(false);
if (V_isdigit(szText[0]))
{
QAngle vecAngles(0, atoi(szText), 0);
m_pBox->SetAnglesInternal(vecAngles, true);
}
else if (!stricmp(szText, "down"))
{
m_pBox->SetAnglesInternal(QAngle(90, 0, 0), true);
}
else
{
m_pBox->SetAnglesInternal(QAngle(-90, 0, 0), true);
}
}
}