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https://port.numenaute.org/aleajactaest/khanat-opennel-code.git
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218 lines
5.5 KiB
C++
218 lines
5.5 KiB
C++
// NeL - MMORPG Framework <http://dev.ryzom.com/projects/nel/>
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// Copyright (C) 2010 Winch Gate Property Limited
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as
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// published by the Free Software Foundation, either version 3 of the
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// License, or (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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#include "std_afx.h"
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#include "object_viewer.h"
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#include "direction_edit.h"
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#include "direction_attr.h"
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#include "popup_notify.h"
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#include "nel/misc/vector.h"
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/////////////////////////////////////////////////////////////////////////////
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// CDirectionEdit dialog
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CDirectionEdit::CDirectionEdit(IPSWrapper<NLMISC::CVector> *wrapper)
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: _Wrapper(wrapper), _MouseState(CDirectionEdit::Wait)
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{
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nlassert(wrapper);
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//{{AFX_DATA_INIT(CDirectionEdit)
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// NOTE: the ClassWizard will add member initialization here
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//}}AFX_DATA_INIT
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}
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void CDirectionEdit::init(IPopupNotify *pn, CWnd *pParent)
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{
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Create(IDD_DIRECTION_EDIT, pParent);
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_Parent = pn;
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ShowWindow(SW_SHOW);
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}
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void CDirectionEdit::DoDataExchange(CDataExchange* pDX)
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{
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CDialog::DoDataExchange(pDX);
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//{{AFX_DATA_MAP(CDirectionEdit)
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// NOTE: the ClassWizard will add DDX and DDV calls here
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//}}AFX_DATA_MAP
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}
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BEGIN_MESSAGE_MAP(CDirectionEdit, CDialog)
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//{{AFX_MSG_MAP(CDirectionEdit)
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ON_WM_PAINT()
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ON_WM_LBUTTONDOWN()
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ON_WM_MOUSEMOVE()
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ON_WM_LBUTTONUP()
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ON_WM_CLOSE()
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//}}AFX_MSG_MAP
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END_MESSAGE_MAP()
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// private : draw a basis with the given letters
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static void DrawBasis(CDC &dc, sint x, sint y, sint size, const char *xStr, const char *yStr)
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{
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dc.FillSolidRect(x, y, size, size, 0xffffff);
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CPen p;
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p.CreatePen(PS_SOLID, 1, (COLORREF) 0);
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CPen *oldPen = dc.SelectObject(&p);
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dc.MoveTo(x + 5, y + size / 2);
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dc.LineTo(x + size - 5, y + size / 2);
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dc.MoveTo(x + size / 2, y + 5);
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dc.LineTo(x + size / 2, y + size - 5);
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dc.TextOut(x + size - 20, y + size / 2 - 18, CString(xStr));
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dc.TextOut(x + 5 + size / 2, y + 5, CString(yStr));
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dc.SelectObject(oldPen);
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}
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/// private : draw a vector in a basis
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static void DrawVector(CDC &dc, float vx, float vy, sint x, sint y, sint size)
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{
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CPen p;
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p.CreatePen(PS_SOLID, 1, (COLORREF) 0xff);
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CPen *oldPen = dc.SelectObject(&p);
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dc.MoveTo(x + size / 2, y + size / 2);
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dc.LineTo(int(x + size / 2 + vx * 0.9f * size / 2), int(y + size / 2 - vy * 0.9f * size / 2));
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dc.SelectObject(oldPen);
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}
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// size in pixel of the basis that is drawn in the dialog
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const uint32 BasisSize = 120;
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// the gap between 2 basis on the screen
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const uint32 BasisGap = 20;
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// the distance to the upper left corner for the basis drawing
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const uint CornerDist = 10;
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/// private get back a screen coord (pox, py) to a part of a vector. The basis of click is (x, y) - (x + size, y + size)
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static void ScreenToVect(float &vx, float &vy, sint px, sint py, sint x, sint y, sint size)
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{
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vx = (px - (x + size / 2)) / 0.9f;
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vy = ((y + size / 2) - py) / 0.9f;
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}
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void CDirectionEdit::OnPaint()
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{
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CPaintDC dc(this);
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// get the current vector;
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NLMISC::CVector v = _Wrapper->get();
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// draw a white square, and draw the vector in it
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DrawBasis(dc, CornerDist, CornerDist, BasisSize, "X", "Z");
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DrawVector(dc, v.x, v.z, CornerDist, CornerDist, BasisSize);
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DrawBasis(dc, CornerDist, CornerDist + BasisGap + BasisSize, BasisSize, "Y", "Z");
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DrawVector(dc, v.y, v.z, CornerDist, CornerDist + BasisGap + BasisSize, BasisSize);
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}
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void CDirectionEdit::selectNewVect(const CPoint &point)
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{
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const float epsilon = 10E-3f;
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NLMISC::CVector v = _Wrapper->get();
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if (point.x > CornerDist && point.y > CornerDist && point.x < (CornerDist + BasisSize) && point.y < (CornerDist + BasisSize))
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{
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ScreenToVect(v.x, v.z, point.x, point.y, CornerDist, CornerDist, BasisSize);
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float d = v.x * v.x + v.z * v.z;
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float f;
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if (fabsf(d > epsilon))
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{
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f = sqrtf((1.f - v.y * v.y) / d);
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}
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else
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{
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f = 1;
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}
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v.x *= f;
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v.z *= f;
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}
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if (point.x > CornerDist && point.y > (BasisGap + BasisSize + CornerDist) && point.x < (CornerDist + BasisSize) && point.y < (CornerDist + BasisGap + 2 * BasisSize))
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{
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ScreenToVect(v.y, v.z, point.x, point.y, CornerDist, CornerDist + BasisGap + BasisSize, BasisSize);
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float d = v.y * v.y + v.z * v.z;
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float f;
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if (fabsf(d > epsilon))
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{
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f = sqrtf((1.f - v.x * v.x) / d);
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}
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else
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{
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f = 1;
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}
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v.y *= f;
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v.z *= f;
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}
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v.normalize();
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_Wrapper->setAndUpdateModifiedFlag(v);
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Invalidate();
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}
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void CDirectionEdit::OnLButtonDown(UINT nFlags, CPoint point)
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{
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selectNewVect(point);
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_MouseState = Drag;
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CDialog::OnLButtonDown(nFlags, point);
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}
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void CDirectionEdit::OnMouseMove(UINT nFlags, CPoint point)
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{
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if (_MouseState == Drag)
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{
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selectNewVect(point);
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}
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CDialog::OnMouseMove(nFlags, point);
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}
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void CDirectionEdit::OnLButtonUp(UINT nFlags, CPoint point)
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{
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_MouseState = Wait;
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CDialog::OnLButtonUp(nFlags, point);
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}
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void CDirectionEdit::OnClose()
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{
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nlassert(_Parent);
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CDialog::OnClose();
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_Parent->childPopupClosed(this);
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}
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