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90 lines
3.2 KiB
C
90 lines
3.2 KiB
C
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// Ryzom - MMORPG Framework <http://dev.ryzom.com/projects/ryzom/>
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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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#ifndef RZ_CTRL_POLYGON_H
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#define RZ_CTRL_POLYGON_H
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#include "ctrl_base.h"
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#include "view_renderer.h"
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//
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#include "nel/misc/geom_ext.h"
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#include "nel/misc/polygon.h"
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namespace NLMISC
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{
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class CVector2f;
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}
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/** Display of an arbitrary polygon in the ui.
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* polygons are clipped & batched.
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*
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* Derives from CCtrlBase in order to provide button / tooltip capability
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*
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* \author Nicolas Vizerie
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* \author Nevrax France
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* \date 1/2006
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*/
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class CCtrlPolygon : public CCtrlBase
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{
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public:
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CCtrlPolygon();
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virtual uint32 getMemory() { return (uint32)(sizeof(*this)+_Id.size()); }
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virtual void updateCoords();
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virtual void draw();
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/** Change the vertices. This is costly because concav / complex polys are split in a list of triangles
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*/
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void setVertices(const std::vector<NLMISC::CVector> &vertices);
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const std::vector<NLMISC::CVector> &getVertices() const { return _Poly.Vertices; }
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// test if current position in inside the current (transformed) poly (in window space)
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bool contains(const NLMISC::CVector2f &pos) const;
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// color
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void setColorRGBA(NLMISC::CRGBA col) { _Color = col; }
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NLMISC::CRGBA getColorRGBA() const { return _Color; }
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// from CViewBase
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virtual sint32 getAlpha() const { return (sint32) _Color.A; }
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virtual void setAlpha(sint32 a);
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/** Change the matrix for this poly. Changing the matrix is usually cheaper than changing
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* The vertices because complex poly do not have to be split again
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*/
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//void setMatrix(const NLMISC::CMatrix &mat);
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//const NLMISC::CMatrix &getMatrix() const { return _Matrix; }
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// test if last call to 'setVertices' was for a valid poly (e.g one that doesn't overlapp itself)
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bool isValid() const { return _Valid; }
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virtual bool handleEvent (const CEventDescriptor &event);
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// no capturable by default (just tooltip capability wanted)
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virtual bool isCapturable() const { return false; }
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private:
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NLMISC::CPolygon _Poly;
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NLMISC::CPolygon2D _XFormPoly;
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//NLMISC::CMatrix _Matrix;
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bool _Valid;
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bool _Touched;
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NLMISC::CRGBA _Color;
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std::vector<NLMISC::CTriangle> _Tris;
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std::vector<NLMISC::CTriangle> _RealTris; // clipped tris in screen coordinates
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private:
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void updateBoudingRect();
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protected:
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// TMP TMP : have to solve matrix imprecision for display in map -> do the full computation for now ...
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virtual void computeScaledVertex(NLMISC::CVector2f &dest, const NLMISC::CVector2f &src);
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public:
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void touch();
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};
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#endif
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