130 lines
3.4 KiB
C++
130 lines
3.4 KiB
C++
//========= Copyright Valve Corporation, All rights reserved. ============//
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//
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// Purpose:
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//
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//=============================================================================
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#ifndef MANIPULATOR_H
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#define MANIPULATOR_H
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#ifdef _WIN32
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#pragma once
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#endif
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#include "vgui_controls/Panel.h"
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#include "mathlib/vector.h"
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//-----------------------------------------------------------------------------
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// Manipulator interface
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//-----------------------------------------------------------------------------
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class IManipulator
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{
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public:
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virtual ~IManipulator(){}
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virtual void OnBeginManipulation( void ) = 0;
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virtual void OnAcceptManipulation( void ) = 0;
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virtual void OnCancelManipulation( void ) = 0;
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virtual void OnTick( void ) = 0;
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virtual void OnCursorMoved( int x, int y ) = 0;
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virtual void OnMousePressed( vgui::MouseCode code, int x, int y ) = 0;
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virtual void OnMouseReleased( vgui::MouseCode code, int x, int y ) = 0;
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virtual void OnMouseWheeled( int delta ) = 0;
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virtual void SetViewportSize( int w, int h ) = 0;
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};
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//-----------------------------------------------------------------------------
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// Base class helper for implementing manipulators
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//-----------------------------------------------------------------------------
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class CBaseManipulator : public IManipulator
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{
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public:
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CBaseManipulator()
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{
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m_nViewport[ 0 ] = m_nViewport[ 1 ] = 0;
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}
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virtual void OnTick( void ) {};
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virtual void OnBeginManipulation( void ) {}
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virtual void OnAcceptManipulation( void ) {};
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virtual void OnCancelManipulation( void ) {};
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virtual void OnCursorMoved( int x, int y ) {};
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virtual void OnMousePressed( vgui::MouseCode code, int x, int y ) {};
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virtual void OnMouseReleased( vgui::MouseCode code, int x, int y ) {};
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virtual void OnMouseWheeled( int delta ) {};
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virtual void SetViewportSize( int w, int h )
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{
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m_nViewport[ 0 ] = w;
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m_nViewport[ 1 ] = h;
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}
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protected:
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int m_nViewport[ 2 ];
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};
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//-----------------------------------------------------------------------------
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// Base class for manipulators which operate on transforms
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//-----------------------------------------------------------------------------
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class CTransformManipulator : public CBaseManipulator
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{
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public:
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CTransformManipulator( matrix3x4_t *pTransform );
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void SetTransform( matrix3x4_t *transform );
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matrix3x4_t *GetTransform();
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protected:
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matrix3x4_t *m_pTransform;
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};
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//-----------------------------------------------------------------------------
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// Standard maya-like transform manipulator
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//-----------------------------------------------------------------------------
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class CPotteryWheelManip : public CTransformManipulator
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{
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public:
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CPotteryWheelManip( matrix3x4_t *pTransform );
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virtual void OnBeginManipulation( void );
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virtual void OnAcceptManipulation( void );
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virtual void OnCancelManipulation( void );
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virtual void OnTick( void );
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virtual void OnCursorMoved( int x, int y );
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virtual void OnMousePressed( vgui::MouseCode code, int x, int y );
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virtual void OnMouseReleased( vgui::MouseCode code, int x, int y );
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virtual void OnMouseWheeled( int delta );
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// Sets the zoom level
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void SetZoom( float flZoom );
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protected:
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int m_lastx, m_lasty;
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float m_zoom;
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float m_altitude, m_azimuth;
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//vec3 m_lookat
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float m_prevZoom;
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float m_prevAltitude, m_prevAzimuth;
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float m_flLastMouseTime;
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float m_flLastTickTime;
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float m_flSpin;
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bool m_bSpin;
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void UpdateTransform( void );
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void UpdateZoom( float delta );
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};
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#endif // MANIPULATOR_H
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