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/*==LICENSE==*
CyanWorlds.com Engine - MMOG client, server and tools
Copyright (C) 2011 Cyan Worlds, Inc.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
You can contact Cyan Worlds, Inc. by email legal@cyan.com
or by snail mail at:
Cyan Worlds, Inc.
14617 N Newport Hwy
Mead, WA 99021
*==LICENSE==*/
///////////////////////////////////////////////////////////////////////////////
// //
// plDetailCurveCtrl Class Header //
// Custom Win32 Control class for drawing the detail map opacity curve so //
// the artists can figure out what the hell is going on. //
// Cyan, Inc. //
// //
// To use: //
// 1. Create a new plDetailCurveCtrl, giving it a parent window and a //
// client rect. //
// 2. Set the start and end percentages, along with the start and end //
// opacities. //
// //
//// Version History //////////////////////////////////////////////////////////
// //
// 10.1.2001 mcn - Created. //
// //
///////////////////////////////////////////////////////////////////////////////
#ifndef _plDetailCurveCtrl_h
#define _plDetailCurveCtrl_h
#include "Max.h"
#include "resource.h"
#define GET_DETAIL_CURVE_CTRL( dlg, id ) (GetDlgItem( dlg, id ) ? (plDetailCurveCtrl *)GetWindowLong( GetDlgItem( dlg, id ), GWL_USERDATA ) : NULL )
// Message to parent to let it know a point got dragged. lParam = pointer to control, wParam = 1 if start point, 0 if end point
#define PL_DC_POINT_DRAGGED WM_USER + 50
#define PL_DC_START_POINT 1
#define PL_DC_END_POINT 0
/// The following #define was for back when I had two graphs, one was with mipmap level
/// as the X axis, the other was as it is now (distance). Uncomment this define to
/// re-enable the two-graph mode (right-click switches)
//#define MCN_TWO_GRAPH_MODE
//// Class Definition /////////////////////////////////////////////////////////
class plDetailCurveCtrl
{
protected:
HWND fHWnd;
HDC fDblDC;
HBITMAP fDblBitmap;
HBRUSH fWhiteBrush, fBlueBrush;
HPEN fBluePen, fLiteBluePen;
RECT fStartDragPt, fEndDragPt;
bool fDraggingStart, fDraggingEnd;
bool fCanDragStart, fCanDragEnd;
int fNumLevels;
float fStartPercent, fEndPercent;
float fStartOpac, fEndOpac;
void IInitDblBuffer( void );
void IRefreshDblBuffer( void );
void IDrawCurve( HDC hDC, bool clampToInts, int cornerX, int cornerY, SIZE *bgndSize );
float IXlateDistToValue( float dist, bool clampToInts );
float IXlateDistToX( float dist, bool clampToInts );
float IXlateXToDist( float howFar );
void IXlateValuesToClientPt( float x, float y, POINT *pt, int cornerX, int cornerY, SIZE *bgndSize );
void IMapMouseToValues( int x, int y, bool mapToStart );
void ISendDraggedMessage( bool itWasTheStartPoint );
static HINSTANCE fInstance;
static int fClassRefCnt;
static HBITMAP fBgndImage;
static HFONT fFont;
#ifdef MCN_TWO_GRAPH_MODE
static HBITMAP fBgndImage2;
static bool fXAsMipmapLevel;
#endif
static void IRegisterCtrl( HINSTANCE instance );
static void IUnregisterCtrl( void );
static LRESULT CALLBACK IWndProc( HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam );
public:
plDetailCurveCtrl( HWND parentWnd, WPARAM id, RECT *clientRect, HINSTANCE instance = NULL );
~plDetailCurveCtrl();
void SetStartPoint( float percentLevel, float opacity );
void SetEndPoint( float percentLevel, float opacity );
void SetNumLevels( int numLevels );
void GetStartPoint( float &percent, float &opacity ) { percent = fStartPercent; opacity = fStartOpac; }
void GetEndPoint( float &percent, float &opacity ) { percent = fEndPercent; opacity = fEndOpac; }
};
#endif // _plDetailCurveCtrl_h