khanat-opennel-code/code/ryzom/client/src/r2/displayer_visual_group.h

177 lines
6.8 KiB
C++

// Ryzom - MMORPG Framework <http://dev.ryzom.com/projects/ryzom/>
// Copyright (C) 2010 Winch Gate Property Limited
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero 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 Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
#ifndef R2_VISUAL_DISPLAYER_GROUP_H
#define R2_VISUAL_DISPLAYER_GROUP_H
#include "displayer_visual.h"
#include "prim_render.h"
#include "island_collision.h"
//
#include "nel/3d/u_instance.h"
//
#include "nel/misc/polygon.h"
class CEntityCL;
namespace R2
{
/**
* Display an instance in a R2 scenario as a primitive. (through the CPrimRender class)
* Display is made in both the 3D scene and the world map.
*
* This displayer is intended to be used for compound objects display
* The displayer will look into a sub-instance array in the displayed instance to find the vertices of the primitive
* to display.
*
* The displayer is initialized from a lua table, (instance displayers are defined in their lua class definition, see base_class.lua for details)
*
*
* \TODO: rename this into CDisplayerVisualPrimitive (would be more informative)
*/
class CDisplayerVisualGroup : public CDisplayerVisual
{
public:
typedef NLMISC::CRefPtr<CDisplayerVisualGroup> TRefPtr;
enum TShape { Star, PolyLine, ClosedPolyLine, ShapeCount };
NLMISC_DECLARE_CLASS(R2::CDisplayerVisualGroup);
// ctor
CDisplayerVisualGroup ();
/** Init from a lua table : T
* The 'Shape' field is a string that give the shape (same values than the TShape enum).
* The 'Array' field is a string that give the name of the sub-instance array containing the primitive vertices
*/
virtual bool init(const CLuaObject &parameters);
// dtor
~CDisplayerVisualGroup();
// events
virtual void onPreRender();
virtual void onPostRender();
virtual void onFocus(bool focused);
virtual void onSelect(bool selected);
virtual void onAttrModified(const std::string &attrName, sint32 attrIndex);
//
virtual void onParentDisplayModeChanged();
//virtual void onTableModified(const std::string &tableName, const std::string &keyInTable, sint32 indexInTable);
// eval of link point returns first vetrex
virtual NLMISC::CVector evalLinkPoint(bool leader);
virtual bool evalEnterPoint(const NLMISC::CVector &startPoint, NLMISC::CVector &result);
virtual NLMISC::CVector evalExitPoint();
// from ISelectableObject
virtual TSelectionType getSelectionType() const { return GroundProjected; }
virtual bool isInProjection(const NLMISC::CVector2f &pos) const;
virtual bool isInProjectionBorder(const NLMISC::CVector2f &pos) const;
// see if a position if over an edge, return the edge index in this case, or -1 if not found
virtual sint isOnEdge(const NLMISC::CVector2f &pos) const;
const NLMISC::CMatrix &getInvertedMatrix() const;
uint getFadeTimeInMS() const;
virtual void getSons(std::vector<CDisplayerVisual *> &sons) const;
// from CDisplayerVisual
virtual bool isInvalidPacsPosAcceptable() const { return false; }
virtual void getSonsWorldPos2f(std::vector<NLMISC::CVector2f> &result);
virtual uint getNumSons() const;
virtual CDisplayerVisual *getSon(uint index) const;
virtual bool isAccessible();
virtual bool isGroup() const { return true; }
virtual bool isValidShape() const { return _CurrPrimValid; }
virtual bool isCompound() const { return true; }
virtual void setDisplayMode(sint32 mode);
/** Active contextual visibility. This is road / region specific
* In this mode, the road or the region is only displayed if some entity is attached to it
* (no-op for groups)
*/
void setContextualVisibilityActive(bool active);
bool getContextualVisibilityActive() const { return _ContextualVisibilityActive; }
/** If contextual is enabled, tells whether this object is visible with current context
* Actually when one entity uses that road / region
*/
bool isContextuallyVisible();
//
// from CVisualDisplayer
virtual TDisplayMode getActualDisplayMode() const;
REFLECT_EXPORT_START(R2::CDisplayerVisualGroup, R2::CDisplayerBase)
REFLECT_BOOL("ContextualVisibilityActive", getContextualVisibilityActive, setContextualVisibilityActive);
REFLECT_EXPORT_END
private:
mutable std::vector<CDisplayerVisual *> _Instances;
/** Special CRenderPrim : when 'in world map' intersection test is done, the CCtrlPolygon will
* allow to know which CInstance is actually displayed by this polygon.
* This is because the CPrimRender class does not now anything about R2::CInstance or anything related to the scenario...
*/
class CSelectablePrimRender : public CPrimRender
{
public:
CSelectablePrimRender() : DisplayedInstance(NULL) {}
// from CPrimRender
virtual CCtrlPolygon *newCtrlPolygon() const;
// from CPrimRender
virtual CCtrlQuad *newCtrlQuad(uint edgeIndex) const;
CInstance *DisplayedInstance;
};
CSelectablePrimRender _Prim; // rendering of edges in the worldmap
CPrimRender _InaccessiblePrim; // inaccessible parts of primitive
CPrimLook _PrimLook;
CPrimLook _PrimLookInvalid;
bool _CurrPrimValid; // is the current polygon valid (e.g can be split into convex polys ?)
bool _CurrPrimInaccessible;
mutable bool _PrimTouched;
mutable bool _InstanceListTouched;
mutable bool _AccessibilityTouched;
bool _DrawnThisFrame;
bool _Active;
bool _ContextualVisibilityActive; // when true, visibility depends on current selection : group must be part of selectedentity sequence
//
sint64 _ContextualVisibilityDate;
bool _VisibleLastFrame;
mutable NLMISC::CPolygon2D _Poly2D;
mutable NLMISC::CAABBox _BBox;
std::string _ArrayName; // name of the array containing the sons
sint64 _TimeOver;
CRefCountedPackedWorld::TSmartPtr _LastIsland;
private:
NLMISC::CVector evalLinkPoint(CEntityCL &entity);
//
void updateInstanceList() const;
void updatePrimVertices();
void updateAccessibility();
void updateBoundingBox();
void updatePrimLook();
void touch();
protected:
// from CDisplayerVisual
virtual void setActive(bool active);
virtual bool getActive() const;
virtual void updateWorldPos();
// from CDisplayerBase
virtual void setDisplayedInstance(CInstance *instance);
public:
virtual void setActiveRecurse(bool active);
void setContextualVisibilityDate(sint64 date) { _ContextualVisibilityDate = date; }
};
} // R2
#endif