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CHANGED: #1471 CViewPolygon is now part of the NELGUI library and is under the NLGUI namespace.

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dfighter1985 2012-06-16 21:05:16 +02:00
parent 6115a122c9
commit e28e452649
3 changed files with 228 additions and 220 deletions
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6
code/ryzom/client/src/interface_v3/view_polygon.h → code/nel/include/nel/gui/view_polygon.h
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@ -20,10 +20,12 @@
#include "nel/gui/view_base.h"
#include "nel/gui/view_renderer.h"
//
#include "nel/misc/geom_ext.h"
#include "nel/misc/polygon.h"
namespace NLGUI
{
/** Display of an arbitrary polygon in the ui.
* polygon is clipped & batched
*
@ -53,5 +55,7 @@ private:
std::vector<NLMISC::CTriangle> _RealTris; // clipped tris in screen coordinates
};
}
#endif

196
code/nel/src/gui/view_polygon.cpp Normal file
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@ -0,0 +1,196 @@
// 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/>.
#include "nel/gui/view_polygon.h"
#include "nel/gui/view_renderer.h"
#include "nel/gui/interface_group.h"
#include "nel/gui/widget_manager.h"
using namespace NLMISC;
namespace NLGUI
{
// *********************************************************************************
CViewPolygon::CViewPolygon() : CViewBase(TCtorParam())
{
// Construct
_Color = CRGBA::White;
}
// *********************************************************************************
void CViewPolygon::setVertices(const std::vector<NLMISC::CVector> &vertices)
{
if (vertices.size() == _Poly.Vertices.size() &&
std::equal(vertices.begin(), vertices.end(), _Poly.Vertices.begin())) return; // remains unchanged
_Poly.Vertices = vertices;
_Tris.clear();
std::list<CPolygon> polys;
if (_Poly.toConvexPolygons(polys, NLMISC::CMatrix::Identity))
{
_Tris.clear();
for(std::list<CPolygon>::iterator it = polys.begin(); it != polys.end(); ++it)
{
it->toTriFan(_Tris);
}
}
else
{
nlwarning("CViewPolygon : conversion to conex polygons failed");
_Tris.clear();
}
_Touched = true;
}
static inline bool totallyInside(const CVector &minCorner, const CVector &maxCorner, sint32 cx, sint32 cy, sint32 cw, sint32 ch)
{
return (sint32) maxCorner.x < (cx + cw) &&
(sint32) minCorner.x >= cx &&
(sint32) maxCorner.y < (cy + ch) &&
(sint32) minCorner.y >= cy;
}
static inline bool totallyOutside(const CVector &minCorner, const CVector &maxCorner, sint32 cx, sint32 cy, sint32 cw, sint32 ch)
{
return (sint32) minCorner.x >= (cx + cw) ||
(sint32) maxCorner.x < cx ||
(sint32) minCorner.y >= (cy + ch) ||
(sint32) maxCorner.y < cy;
}
// *********************************************************************************
void CViewPolygon::draw()
{
if (_Tris.empty()) return;
if (!_Parent) return;
CViewRenderer &vr = *CViewRenderer::getInstance();
if (_Touched)
{
_RealTris.clear();
uint numTris = (uint)_Tris.size();
sint32 cornerX, cornerY;
static std::vector<NLMISC::CTriangle> winTris;
winTris.resize(numTris);
_Parent->getCorner(cornerX, cornerY, _ParentPosRef);
for(uint k = 0; k < numTris; ++k)
{
winTris[k].V0.set((float) (_Tris[k].V0.x + cornerX), (float) (_Tris[k].V0.y + cornerY), 0.f);
winTris[k].V1.set((float) (_Tris[k].V1.x + cornerX), (float) (_Tris[k].V1.y + cornerY), 0.f);
winTris[k].V2.set((float) (_Tris[k].V2.x + cornerX), (float) (_Tris[k].V2.y + cornerY), 0.f);
}
// recompute & reclip poly
_RealTris.clear();
sint32 cx, cy, cw, ch;
vr.getClipWindow(cx, cy, cw, ch);
// per tri clip
NLMISC::CVector minCorner;
NLMISC::CVector maxCorner;
for(uint k = 0; k < numTris; ++k)
{
winTris[k].getMinCorner(minCorner);
winTris[k].getMaxCorner(maxCorner);
if (totallyOutside(minCorner, maxCorner, cx, cy, cw, ch)) continue;
if (totallyInside(minCorner, maxCorner, cx, cy, cw, ch))
{
_RealTris.push_back(winTris[k]);
}
else
{
const uint maxNumCorners = 8;
static CVector outPos0[maxNumCorners];
static CVector outPos1[maxNumCorners];
//
outPos0[0] = winTris[k].V0;
outPos0[1] = winTris[k].V1;
outPos0[2] = winTris[k].V2;
//
CVector *pPos0 = outPos0;
CVector *pPos1 = outPos1;
//
sint count = 3;
//
if ((sint32) minCorner.x < cx)
{
// clip left
CPlane clipper(-1.f, 0.f, 0.f, (float) cx);
count = clipper.clipPolygonBack(pPos0, pPos1, count);
std::swap(pPos0, pPos1);
}
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;
}
}

192
code/ryzom/client/src/interface_v3/view_polygon.cpp
View file

@ -1,192 +0,0 @@
// 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/>.
#include "stdpch.h"
#include "view_polygon.h"
#include "nel/gui/view_renderer.h"
#include "interface_manager.h"
using namespace NLMISC;
// *********************************************************************************
CViewPolygon::CViewPolygon() : CViewBase(TCtorParam())
{
// Construct
_Color = CRGBA::White;
}
// *********************************************************************************
void CViewPolygon::setVertices(const std::vector<NLMISC::CVector> &vertices)
{
if (vertices.size() == _Poly.Vertices.size() &&
std::equal(vertices.begin(), vertices.end(), _Poly.Vertices.begin())) return; // remains unchanged
_Poly.Vertices = vertices;
_Tris.clear();
std::list<CPolygon> polys;
if (_Poly.toConvexPolygons(polys, NLMISC::CMatrix::Identity))
{
_Tris.clear();
for(std::list<CPolygon>::iterator it = polys.begin(); it != polys.end(); ++it)
{
it->toTriFan(_Tris);
}
}
else
{
nlwarning("CViewPolygon : conversion to conex polygons failed");
_Tris.clear();
}
_Touched = true;
}
static inline bool totallyInside(const CVector &minCorner, const CVector &maxCorner, sint32 cx, sint32 cy, sint32 cw, sint32 ch)
{
return (sint32) maxCorner.x < (cx + cw) &&
(sint32) minCorner.x >= cx &&
(sint32) maxCorner.y < (cy + ch) &&
(sint32) minCorner.y >= cy;
}
static inline bool totallyOutside(const CVector &minCorner, const CVector &maxCorner, sint32 cx, sint32 cy, sint32 cw, sint32 ch)
{
return (sint32) minCorner.x >= (cx + cw) ||
(sint32) maxCorner.x < cx ||
(sint32) minCorner.y >= (cy + ch) ||
(sint32) maxCorner.y < cy;
}
// *********************************************************************************
void CViewPolygon::draw()
{
if (_Tris.empty()) return;
if (!_Parent) return;
CInterfaceManager *im = CInterfaceManager::getInstance();
CViewRenderer &vr = *CViewRenderer::getInstance();
if (_Touched)
{
_RealTris.clear();
uint numTris = (uint)_Tris.size();
sint32 cornerX, cornerY;
static std::vector<NLMISC::CTriangle> winTris;
winTris.resize(numTris);
_Parent->getCorner(cornerX, cornerY, _ParentPosRef);
for(uint k = 0; k < numTris; ++k)
{
winTris[k].V0.set((float) (_Tris[k].V0.x + cornerX), (float) (_Tris[k].V0.y + cornerY), 0.f);
winTris[k].V1.set((float) (_Tris[k].V1.x + cornerX), (float) (_Tris[k].V1.y + cornerY), 0.f);
winTris[k].V2.set((float) (_Tris[k].V2.x + cornerX), (float) (_Tris[k].V2.y + cornerY), 0.f);
}
// recompute & reclip poly
_RealTris.clear();
sint32 cx, cy, cw, ch;
vr.getClipWindow(cx, cy, cw, ch);
// per tri clip
NLMISC::CVector minCorner;
NLMISC::CVector maxCorner;
for(uint k = 0; k < numTris; ++k)
{
winTris[k].getMinCorner(minCorner);
winTris[k].getMaxCorner(maxCorner);
if (totallyOutside(minCorner, maxCorner, cx, cy, cw, ch)) continue;
if (totallyInside(minCorner, maxCorner, cx, cy, cw, ch))
{
_RealTris.push_back(winTris[k]);
}
else
{
const uint maxNumCorners = 8;
static CVector outPos0[maxNumCorners];
static CVector outPos1[maxNumCorners];
//
outPos0[0] = winTris[k].V0;
outPos0[1] = winTris[k].V1;
outPos0[2] = winTris[k].V2;
//
CVector *pPos0 = outPos0;
CVector *pPos1 = outPos1;
//
sint count = 3;
//
if ((sint32) minCorner.x < cx)
{
// clip left
CPlane clipper(-1.f, 0.f, 0.f, (float) cx);
count = clipper.clipPolygonBack(pPos0, pPos1, count);
std::swap(pPos0, pPos1);
}
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;
}