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o3de/Code/Editor/Objects/Gizmo.h

81 lines
2.3 KiB
C++

/*
* Copyright (c) Contributors to the Open 3D Engine Project.
* For complete copyright and license terms please see the LICENSE at the root of this distribution.
*
* SPDX-License-Identifier: Apache-2.0 OR MIT
*
*/
#include "BaseObject.h"
// forward declarations.
#ifndef CRYINCLUDE_EDITOR_OBJECTS_GIZMO_H
#define CRYINCLUDE_EDITOR_OBJECTS_GIZMO_H
#pragma once
struct DisplayContext;
struct HitContext;
enum EGizmoFlags
{
EGIZMO_SELECTABLE = 0x0001, //! If set gizmo can be selected by clicking.
EGIZMO_HIDDEN = 0x0002, //! If set gizmo hidden and should not be displayed.
EGIZMO_TRANSFORM_MANIPULATOR = 0x0004, //! This gizmo is a transform manipulator.
};
/** Any helper object that BaseObjects can use to display some usefull information like tracks.
Gizmo's life time should be controlled by thier owning BaseObjects.
*/
class SANDBOX_API CGizmo
: public CRefCountBase
{
public:
CGizmo();
virtual ~CGizmo();
virtual void SetName([[maybe_unused]] const char* sName) {};
virtual const char* GetName([[maybe_unused]] const char* sName) { return ""; };
//! Set gizmo object flags.
void SetFlags(uint32 flags) { m_flags = flags; }
//! Get gizmo object flags.
uint32 GetFlags() const { return m_flags; }
/** Get bounding box of Gizmo in world space.
@param bbox Returns bounding box.
*/
virtual void GetWorldBounds(AABB& bbox) = 0;
/** Set transformation matrix of this gizmo.
*/
virtual void SetMatrix(const Matrix34& tm);
/** Get transformation matrix of this gizmo.
*/
virtual const Matrix34& GetMatrix() const { return m_matrix; }
/** Display Gizmo in the viewport.
*/
virtual void Display(DisplayContext& dc) = 0;
/** Performs hit testing on gizmo object.
*/
virtual bool HitTest([[maybe_unused]] HitContext& hc) { return false; };
//! Is this gizmo need to be deleted?.
bool IsDelete() const { return m_bDelete; }
//! Set this gizmo to be deleted.
void DeleteThis();
virtual CBaseObjectPtr GetBaseObject() const { return nullptr; }
protected:
AZ_PUSH_DISABLE_DLL_EXPORT_MEMBER_WARNING
mutable Matrix34 m_matrix;
AZ_POP_DISABLE_DLL_EXPORT_MEMBER_WARNING
bool m_bDelete; // This gizmo is marked for deletion.
uint32 m_flags;
};
#endif // CRYINCLUDE_EDITOR_OBJECTS_GIZMO_H