mirror of
https://port.numenaute.org/aleajactaest/khanat-opennel-code.git
synced 2024-12-02 16:44:47 +00:00
CHANGED: #1471 CViewPolygon is now part of the NELGUI library and is under the NLGUI namespace.
--HG-- branch : gui-refactoring
This commit is contained in:
dfighter1985
parent
c480f9804f
commit
b51dea4654
3 changed files with 228 additions and 220 deletions
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@ -20,10 +20,12 @@
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#include "nel/gui/view_base.h"
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#include "nel/gui/view_base.h"
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#include "nel/gui/view_renderer.h"
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#include "nel/gui/view_renderer.h"
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//
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#include "nel/misc/geom_ext.h"
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#include "nel/misc/geom_ext.h"
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#include "nel/misc/polygon.h"
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#include "nel/misc/polygon.h"
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namespace NLGUI
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{
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/** Display of an arbitrary polygon in the ui.
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/** Display of an arbitrary polygon in the ui.
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* polygon is clipped & batched
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* polygon is clipped & batched
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*
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*
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@ -53,5 +55,7 @@ private:
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std::vector<NLMISC::CTriangle> _RealTris; // clipped tris in screen coordinates
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std::vector<NLMISC::CTriangle> _RealTris; // clipped tris in screen coordinates
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};
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};
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}
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#endif
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#endif
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196
code/nel/src/gui/view_polygon.cpp
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196
code/nel/src/gui/view_polygon.cpp
Normal file
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@ -0,0 +1,196 @@
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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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#include "nel/gui/view_polygon.h"
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#include "nel/gui/view_renderer.h"
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#include "nel/gui/interface_group.h"
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#include "nel/gui/widget_manager.h"
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using namespace NLMISC;
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namespace NLGUI
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{
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// *********************************************************************************
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CViewPolygon::CViewPolygon() : CViewBase(TCtorParam())
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{
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// Construct
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_Color = CRGBA::White;
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}
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// *********************************************************************************
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void CViewPolygon::setVertices(const std::vector<NLMISC::CVector> &vertices)
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{
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if (vertices.size() == _Poly.Vertices.size() &&
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std::equal(vertices.begin(), vertices.end(), _Poly.Vertices.begin())) return; // remains unchanged
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_Poly.Vertices = vertices;
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_Tris.clear();
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std::list<CPolygon> polys;
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if (_Poly.toConvexPolygons(polys, NLMISC::CMatrix::Identity))
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{
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_Tris.clear();
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for(std::list<CPolygon>::iterator it = polys.begin(); it != polys.end(); ++it)
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{
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it->toTriFan(_Tris);
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}
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}
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else
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{
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nlwarning("CViewPolygon : conversion to conex polygons failed");
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_Tris.clear();
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}
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_Touched = true;
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}
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static inline bool totallyInside(const CVector &minCorner, const CVector &maxCorner, sint32 cx, sint32 cy, sint32 cw, sint32 ch)
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{
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return (sint32) maxCorner.x < (cx + cw) &&
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(sint32) minCorner.x >= cx &&
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(sint32) maxCorner.y < (cy + ch) &&
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(sint32) minCorner.y >= cy;
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}
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static inline bool totallyOutside(const CVector &minCorner, const CVector &maxCorner, sint32 cx, sint32 cy, sint32 cw, sint32 ch)
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{
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return (sint32) minCorner.x >= (cx + cw) ||
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(sint32) maxCorner.x < cx ||
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(sint32) minCorner.y >= (cy + ch) ||
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(sint32) maxCorner.y < cy;
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}
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// *********************************************************************************
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void CViewPolygon::draw()
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{
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if (_Tris.empty()) return;
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if (!_Parent) return;
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CViewRenderer &vr = *CViewRenderer::getInstance();
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if (_Touched)
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{
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_RealTris.clear();
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uint numTris = (uint)_Tris.size();
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sint32 cornerX, cornerY;
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static std::vector<NLMISC::CTriangle> winTris;
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winTris.resize(numTris);
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_Parent->getCorner(cornerX, cornerY, _ParentPosRef);
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for(uint k = 0; k < numTris; ++k)
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{
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winTris[k].V0.set((float) (_Tris[k].V0.x + cornerX), (float) (_Tris[k].V0.y + cornerY), 0.f);
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winTris[k].V1.set((float) (_Tris[k].V1.x + cornerX), (float) (_Tris[k].V1.y + cornerY), 0.f);
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winTris[k].V2.set((float) (_Tris[k].V2.x + cornerX), (float) (_Tris[k].V2.y + cornerY), 0.f);
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}
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// recompute & reclip poly
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_RealTris.clear();
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sint32 cx, cy, cw, ch;
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vr.getClipWindow(cx, cy, cw, ch);
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// per tri clip
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NLMISC::CVector minCorner;
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NLMISC::CVector maxCorner;
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for(uint k = 0; k < numTris; ++k)
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{
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winTris[k].getMinCorner(minCorner);
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winTris[k].getMaxCorner(maxCorner);
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if (totallyOutside(minCorner, maxCorner, cx, cy, cw, ch)) continue;
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if (totallyInside(minCorner, maxCorner, cx, cy, cw, ch))
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{
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_RealTris.push_back(winTris[k]);
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}
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else
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{
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const uint maxNumCorners = 8;
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static CVector outPos0[maxNumCorners];
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static CVector outPos1[maxNumCorners];
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//
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outPos0[0] = winTris[k].V0;
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outPos0[1] = winTris[k].V1;
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outPos0[2] = winTris[k].V2;
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//
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CVector *pPos0 = outPos0;
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CVector *pPos1 = outPos1;
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//
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sint count = 3;
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//
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if ((sint32) minCorner.x < cx)
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{
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// clip left
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CPlane clipper(-1.f, 0.f, 0.f, (float) cx);
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count = clipper.clipPolygonBack(pPos0, pPos1, count);
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std::swap(pPos0, pPos1);
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}
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if ((sint32) maxCorner.x > cx + cw)
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{
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// clip right
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CPlane clipper(1.f, 0.f, 0.f, - (float) (cx + cw));
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count = clipper.clipPolygonBack(pPos0, pPos1, count);
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std::swap(pPos0, pPos1);
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}
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//
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if ((sint32) minCorner.y < cy)
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{
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// clip bottom
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CPlane clipper(0.f, -1.f, 0.f, (float) cy);
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count = clipper.clipPolygonBack(pPos0, pPos1, count);
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std::swap(pPos0, pPos1);
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}
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if ((sint32) maxCorner.y > cy + ch)
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{
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// clip top
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CPlane clipper(0.f, 1.f, 0.f, - (float) (cy + ch));
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count = clipper.clipPolygonBack(pPos0, pPos1, count);
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std::swap(pPos0, pPos1);
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}
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nlassert(count <= 8);
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if (count >= 3)
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{
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for(uint k = 0; k < (uint) (count - 2); ++k)
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{
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_RealTris.push_back(NLMISC::CTriangle(pPos0[0], pPos0[k + 1], pPos0[k + 2]));
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}
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}
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}
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}
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_Touched = false;
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}
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if (_RealTris.empty()) return;
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CRGBA col;
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if(getModulateGlobalColor())
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{
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col.modulateFromColor (_Color, CWidgetManager::getInstance()->getGlobalColorForContent());
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}
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else
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{
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col= _Color;
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col.A = (uint8)(((sint32)col.A*((sint32)CWidgetManager::getInstance()->getGlobalColorForContent().A+1))>>8);
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}
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vr.drawUnclippedTriangles(_RenderLayer, _RealTris, col);
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}
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// *********************************************************************************
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void CViewPolygon::updateCoords()
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{
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// assume that clipping will have to be done again, real update of triangle will be done at render time
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_Touched = true;
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}
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// *********************************************************************************
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void CViewPolygon::setAlpha(sint32 a)
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{
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_Color.A = (uint8) a;
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}
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}
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@ -1,192 +0,0 @@
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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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#include "stdpch.h"
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#include "view_polygon.h"
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#include "nel/gui/view_renderer.h"
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#include "interface_manager.h"
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using namespace NLMISC;
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// *********************************************************************************
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CViewPolygon::CViewPolygon() : CViewBase(TCtorParam())
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{
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// Construct
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_Color = CRGBA::White;
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}
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// *********************************************************************************
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void CViewPolygon::setVertices(const std::vector<NLMISC::CVector> &vertices)
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{
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if (vertices.size() == _Poly.Vertices.size() &&
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std::equal(vertices.begin(), vertices.end(), _Poly.Vertices.begin())) return; // remains unchanged
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_Poly.Vertices = vertices;
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_Tris.clear();
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std::list<CPolygon> polys;
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if (_Poly.toConvexPolygons(polys, NLMISC::CMatrix::Identity))
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{
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_Tris.clear();
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for(std::list<CPolygon>::iterator it = polys.begin(); it != polys.end(); ++it)
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{
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it->toTriFan(_Tris);
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}
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}
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else
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{
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nlwarning("CViewPolygon : conversion to conex polygons failed");
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_Tris.clear();
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}
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_Touched = true;
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}
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static inline bool totallyInside(const CVector &minCorner, const CVector &maxCorner, sint32 cx, sint32 cy, sint32 cw, sint32 ch)
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{
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return (sint32) maxCorner.x < (cx + cw) &&
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(sint32) minCorner.x >= cx &&
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(sint32) maxCorner.y < (cy + ch) &&
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(sint32) minCorner.y >= cy;
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}
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static inline bool totallyOutside(const CVector &minCorner, const CVector &maxCorner, sint32 cx, sint32 cy, sint32 cw, sint32 ch)
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{
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return (sint32) minCorner.x >= (cx + cw) ||
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(sint32) maxCorner.x < cx ||
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(sint32) minCorner.y >= (cy + ch) ||
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(sint32) maxCorner.y < cy;
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}
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// *********************************************************************************
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void CViewPolygon::draw()
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{
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if (_Tris.empty()) return;
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if (!_Parent) return;
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CInterfaceManager *im = CInterfaceManager::getInstance();
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CViewRenderer &vr = *CViewRenderer::getInstance();
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if (_Touched)
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{
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_RealTris.clear();
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uint numTris = (uint)_Tris.size();
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sint32 cornerX, cornerY;
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static std::vector<NLMISC::CTriangle> winTris;
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winTris.resize(numTris);
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_Parent->getCorner(cornerX, cornerY, _ParentPosRef);
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for(uint k = 0; k < numTris; ++k)
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{
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winTris[k].V0.set((float) (_Tris[k].V0.x + cornerX), (float) (_Tris[k].V0.y + cornerY), 0.f);
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winTris[k].V1.set((float) (_Tris[k].V1.x + cornerX), (float) (_Tris[k].V1.y + cornerY), 0.f);
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winTris[k].V2.set((float) (_Tris[k].V2.x + cornerX), (float) (_Tris[k].V2.y + cornerY), 0.f);
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}
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// recompute & reclip poly
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_RealTris.clear();
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sint32 cx, cy, cw, ch;
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vr.getClipWindow(cx, cy, cw, ch);
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// per tri clip
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NLMISC::CVector minCorner;
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NLMISC::CVector maxCorner;
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for(uint k = 0; k < numTris; ++k)
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{
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winTris[k].getMinCorner(minCorner);
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winTris[k].getMaxCorner(maxCorner);
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if (totallyOutside(minCorner, maxCorner, cx, cy, cw, ch)) continue;
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if (totallyInside(minCorner, maxCorner, cx, cy, cw, ch))
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{
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_RealTris.push_back(winTris[k]);
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}
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else
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{
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const uint maxNumCorners = 8;
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static CVector outPos0[maxNumCorners];
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static CVector outPos1[maxNumCorners];
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//
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outPos0[0] = winTris[k].V0;
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outPos0[1] = winTris[k].V1;
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outPos0[2] = winTris[k].V2;
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//
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CVector *pPos0 = outPos0;
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CVector *pPos1 = outPos1;
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//
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sint count = 3;
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//
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if ((sint32) minCorner.x < cx)
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{
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// clip left
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CPlane clipper(-1.f, 0.f, 0.f, (float) cx);
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count = clipper.clipPolygonBack(pPos0, pPos1, count);
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std::swap(pPos0, pPos1);
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}
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|
||||||
if ((sint32) maxCorner.x > cx + cw)
|
|
||||||
{
|
|
||||||
// clip right
|
|
||||||
CPlane clipper(1.f, 0.f, 0.f, - (float) (cx + cw));
|
|
||||||
count = clipper.clipPolygonBack(pPos0, pPos1, count);
|
|
||||||
std::swap(pPos0, pPos1);
|
|
||||||
}
|
|
||||||
//
|
|
||||||
if ((sint32) minCorner.y < cy)
|
|
||||||
{
|
|
||||||
// clip bottom
|
|
||||||
CPlane clipper(0.f, -1.f, 0.f, (float) cy);
|
|
||||||
count = clipper.clipPolygonBack(pPos0, pPos1, count);
|
|
||||||
std::swap(pPos0, pPos1);
|
|
||||||
}
|
|
||||||
if ((sint32) maxCorner.y > cy + ch)
|
|
||||||
{
|
|
||||||
// clip top
|
|
||||||
CPlane clipper(0.f, 1.f, 0.f, - (float) (cy + ch));
|
|
||||||
count = clipper.clipPolygonBack(pPos0, pPos1, count);
|
|
||||||
std::swap(pPos0, pPos1);
|
|
||||||
}
|
|
||||||
nlassert(count <= 8);
|
|
||||||
if (count >= 3)
|
|
||||||
{
|
|
||||||
for(uint k = 0; k < (uint) (count - 2); ++k)
|
|
||||||
{
|
|
||||||
_RealTris.push_back(NLMISC::CTriangle(pPos0[0], pPos0[k + 1], pPos0[k + 2]));
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
_Touched = false;
|
|
||||||
}
|
|
||||||
if (_RealTris.empty()) return;
|
|
||||||
CRGBA col;
|
|
||||||
if(getModulateGlobalColor())
|
|
||||||
{
|
|
||||||
col.modulateFromColor (_Color, CWidgetManager::getInstance()->getGlobalColorForContent());
|
|
||||||
}
|
|
||||||
else
|
|
||||||
{
|
|
||||||
col= _Color;
|
|
||||||
col.A = (uint8)(((sint32)col.A*((sint32)CWidgetManager::getInstance()->getGlobalColorForContent().A+1))>>8);
|
|
||||||
}
|
|
||||||
vr.drawUnclippedTriangles(_RenderLayer, _RealTris, col);
|
|
||||||
}
|
|
||||||
|
|
||||||
// *********************************************************************************
|
|
||||||
void CViewPolygon::updateCoords()
|
|
||||||
{
|
|
||||||
// assume that clipping will have to be done again, real update of triangle will be done at render time
|
|
||||||
_Touched = true;
|
|
||||||
}
|
|
||||||
|
|
||||||
// *********************************************************************************
|
|
||||||
void CViewPolygon::setAlpha(sint32 a)
|
|
||||||
{
|
|
||||||
_Color.A = (uint8) a;
|
|
||||||
}
|
|
||||||
Loading…
Reference in a new issue