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

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--HG--
branch : gui-refactoring
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dfighter1985 2012-06-16 20:53:58 +02:00
parent 0bdb8f7149
commit c480f9804f
4 changed files with 468 additions and 464 deletions
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94
code/nel/include/nel/gui/view_quad.h Normal file
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// 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 RZ_VIEW_QUAD_H
#define RZ_VIEW_QUAD_H
#include "nel/gui/view_base.h"
#include "nel/gui/view_renderer.h"
#include "nel/misc/geom_ext.h"
namespace NLGUI
{
/** Display of an arbitrary textured quad in the UI. The applied texture is filtered.
* Unlike CViewBitmap, the texture is always scaled here, and this ui element coordinates
* are driven by the quad vertices coordinates (see setQuad)
*
* \author Nicolas Vizerie
* \author Nevrax France
* \date 12/2005
*/
class CViewQuad : public CViewBase
{
public:
enum TWrapMode { Repeat = 0, Clamp, WrapModeCount };
CViewQuad();
// from CInterfaceElement
bool parse(xmlNodePtr cur,CInterfaceGroup *parentGroup);
virtual void updateCoords();
virtual void draw();
virtual uint32 getMemory() { return (uint32)(sizeof(*this)+_Id.size()); }
// from CViewBase
virtual sint32 getAlpha() const { return (sint32) _Color.A; }
virtual void setAlpha (sint32 a);
// texture
void setTexture(const std::string &texName);
std::string getTexture () const;
// color
void setColorRGBA(NLMISC::CRGBA col) { _Color = col; }
NLMISC::CRGBA getColorRGBA() const { return _Color; }
/** Set a new quad relative to parent pos
* x,y, w, h & hotspot are updated to fit the bounding rect of the quad
*/
void setQuad(const NLMISC::CQuad &quad);
void setQuad(const NLMISC::CVector &start, const NLMISC::CVector &end, float thickness);
/** Fit the given texture size (no hotspot for now, always centered)
* NB : current texture is not modified.
*/
void setQuad(const std::string &texName, const NLMISC::CVector &pos, float angle = 0.f, float offCenter = 0.f);
void setQuad(const NLMISC::CVector &pos, float radius, float angle = 0.f);
const NLMISC::CQuad &getQuad() const { return _Quad; }
void setAdditif(bool additif);
bool getAdditif() const { return _Additif; }
void setPattern(float umin, float umax, TWrapMode wrapMode);
private:
NLMISC::CRGBA _Color;
NLMISC::CQuad _Quad;
NLMISC::CQuadUV _RealQuad; // absolute coords
float _ClampedUCorrection;
CViewRenderer::CTextureId _TextureId; /// Accelerator
bool _Additif;
float _UMin;
float _UMax;
TWrapMode _WrapMode;
};
}
#endif

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code/nel/src/gui/view_quad.cpp Normal file
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// 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_quad.h"
#include "nel/gui/interface_group.h"
#include "nel/gui/widget_manager.h"
using namespace NLMISC;
namespace NLGUI
{
// *********************************************************************************
CViewQuad::CViewQuad() : CViewBase(TCtorParam()), _Color(CRGBA::White),
_Additif(false),
_UMin(0.f),
_UMax(1.f),
_WrapMode(Repeat)
{
setQuad(CQuad(CVector::Null, CVector::Null, CVector::Null, CVector::Null));
// preset uvs for real quad
_RealQuad.Uv0.set(0.f, 0.f);
_RealQuad.Uv1.set(1.f, 0.f);
_RealQuad.Uv2.set(1.f, 1.f);
_RealQuad.Uv3.set(0.f, 1.f);
}
// *********************************************************************************
bool CViewQuad::parse(xmlNodePtr /* cur */, CInterfaceGroup * /* parentGroup */)
{
nlassert(0); // NOT IMPLEMENTED (only created dynamically at this time)
return false;
}
// *********************************************************************************
void CViewQuad::updateCoords()
{
CViewBase::updateCoords();
nlassert(_Parent);
// don't use _XReal && _YReal, because coords are given relative to parent
CVector delta((float) _Parent->getXReal(), (float) _Parent->getYReal(), 0.f);
_RealQuad.set(_Quad.V0 + delta, _Quad.V1 + delta, _Quad.V2 + delta, _Quad.V3 + delta);
}
// *********************************************************************************
void CViewQuad::draw()
{
nlassert(_Parent);
CViewRenderer &rVR = *CViewRenderer::getInstance();
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);
}
/*if (_InheritGCAlpha)
{
// search a parent container
CInterfaceGroup *gr = getParent();
while (gr)
{
if (gr->isGroupContainer())
{
CGroupContainer *gc = static_cast<CGroupContainer *>(gr);
col.A = (uint8)(((sint32)col.A*((sint32)gc->getCurrentContainerAlpha()+1))>>8);
break;
}
gr = gr->getParent();
}
}*/
if (_UMin == 0.f && _UMax == 1.f)
{
// no pattern applied, can draw the quad in a single piece
rVR.drawQuad(_RenderLayer, _RealQuad, _TextureId, col, _Additif);
}
else
{
NLMISC::CQuadUV quv;
if (_WrapMode == Repeat)
{
if (_UMax == _UMin)
{
(CQuad &) quv = _RealQuad; // copy CQuad part
float u = fmodf(_UMin, 1.f);
quv.Uv0.set(u, 0.f);
quv.Uv1.set(u, 0.f);
quv.Uv2.set(u, 1.f);
quv.Uv3.set(u, 1.f);
rVR.drawQuad(_RenderLayer, quv, _TextureId, col, _Additif);
}
else
{
// reverse corners if needed to handle case where _UVMin < _UVmax
NLMISC::CQuad srcQuad;
float umin, umax;
if (_UMax < _UMin)
{
umin = _UMax;
umax = _UMin;
srcQuad.V0 = _RealQuad.V1;
srcQuad.V1 = _RealQuad.V0;
srcQuad.V2 = _RealQuad.V3;
srcQuad.V3 = _RealQuad.V2;
}
else
{
umin = _UMin;
umax = _UMax;
srcQuad = _RealQuad;
}
float unitRatio = 1.f / fabsf(umax - umin); // ratio of the real quad delta x in screen for du = 1
// texture is stretched, mutiple parts needed
float ceilUMin = ceilf(umin);
float firstDeltaU = ceilUMin - umin;
if (firstDeltaU != 0.f)
{
// start quad
quv.V0 = srcQuad.V0;
quv.V1 = blend(srcQuad.V0, srcQuad.V1, std::min(1.f, (firstDeltaU * unitRatio)));
quv.V2 = blend(srcQuad.V3, srcQuad.V2, std::min(1.f, (firstDeltaU * unitRatio)));
quv.V3 = srcQuad.V3;
float lastU = std::min(umax + 1.f - ceilUMin, 1.f);
quv.Uv0.set(1.f - firstDeltaU, 0.f);
quv.Uv1.set(lastU, 0.f);
quv.Uv2.set(lastU, 1.f);
quv.Uv3.set(1.f - firstDeltaU, 1.f);
rVR.drawQuad(_RenderLayer, quv, _TextureId, col, _Additif);
if (firstDeltaU * unitRatio >= 1.f) return;
}
// TODO optim: reuse of previous uv & pos ... (prb is that they are not always computed)
// intermediate quads
sint numQuads = (sint) (floorf(umax) - ceilf(umin));
for(sint k = 0; k < numQuads; ++k)
{
float deltaU = firstDeltaU + k;
// start quad
quv.V0 = blend(srcQuad.V0, srcQuad.V1, deltaU * unitRatio);
quv.V1 = blend(srcQuad.V0, srcQuad.V1, (deltaU + 1.f) * unitRatio);
quv.V2 = blend(srcQuad.V3, srcQuad.V2, (deltaU + 1.f) * unitRatio);
quv.V3 = blend(srcQuad.V3, srcQuad.V2, deltaU * unitRatio);
quv.Uv0.set(0.f, 0.f);
quv.Uv1.set(1.f, 0.f);
quv.Uv2.set(1.f, 1.f);
quv.Uv3.set(0.f, 1.f);
rVR.drawQuad(_RenderLayer, quv, _TextureId, col, _Additif);
}
// end quad
float lastDeltaU = umax - floorf(umax);
if (lastDeltaU != 0.f)
{
// start quad
quv.V0 = blend(srcQuad.V1, srcQuad.V0, lastDeltaU * unitRatio);
quv.V1 = srcQuad.V1;
quv.V2 = srcQuad.V2;
quv.V3 = blend(srcQuad.V2, srcQuad.V3, lastDeltaU * unitRatio);
quv.Uv0.set(0.f, 0.f);
quv.Uv1.set(lastDeltaU, 0.f);
quv.Uv2.set(lastDeltaU, 1.f);
quv.Uv3.set(0.f, 1.f);
rVR.drawQuad(_RenderLayer, quv, _TextureId, col, _Additif);
}
}
}
else
{
nlassert(_WrapMode == Clamp);
if (_UMin == _UMax)
{
(CQuad &) quv = _RealQuad; // copy CQuad part
// special case
float u = _UMin;
clamp(u, 0.f, 1.f);
quv.Uv0.set(u, 0.f);
quv.Uv1.set(u, 1.f);
quv.Uv2.set(u, 1.f);
quv.Uv3.set(u, 0.f);
rVR.drawQuad(_RenderLayer, quv, _TextureId, col, _Additif);
}
else
{
NLMISC::CQuad srcQuad;
float umin, umax;
if (_UMax < _UMin)
{
umin = _UMax;
umax = _UMin;
srcQuad.V0 = _RealQuad.V1;
srcQuad.V1 = _RealQuad.V0;
srcQuad.V2 = _RealQuad.V3;
srcQuad.V3 = _RealQuad.V2;
}
else
{
umin = _UMin;
umax = _UMax;
srcQuad = _RealQuad;
}
float startRatio = - umin / (umax - umin); // start of unclamped u (actually (0.f - umin) / (umax - umin) )
if (umin < 0.f)
{
quv.V0 = srcQuad.V0;
quv.V1 = blend(srcQuad.V0, srcQuad.V1, std::min(1.f ,startRatio));
quv.V2 = blend(srcQuad.V3, srcQuad.V2, std::min(1.f ,startRatio));
quv.V3 = srcQuad.V3;
// draw first clamped part
quv.Uv0.set(0.f, 0.f);
quv.Uv1.set(0.f, 0.f);
quv.Uv2.set(0.f, 1.f);
quv.Uv3.set(0.f, 1.f);
rVR.drawQuad(_RenderLayer, quv, _TextureId, col, _Additif);
}
if (startRatio >= 1.f) return;
float endRatio = (1.f - umin) / (umax - umin);
if (endRatio > 0.f)
{
// draw middle part if visible
// TODO optim: reuse of previous uv & pos ... (prb is that they are not always computed)
quv.V0 = blend(srcQuad.V0, srcQuad.V1, std::max(0.f , startRatio));
quv.V1 = blend(srcQuad.V0, srcQuad.V1, std::min(1.f , endRatio));
quv.V2 = blend(srcQuad.V3, srcQuad.V2, std::min(1.f , endRatio));
quv.V3 = blend(srcQuad.V3, srcQuad.V2, std::max(0.f , startRatio));
// draw first clamped part
quv.Uv0.set(std::max(0.f, umin), 0.f);
quv.Uv1.set(std::min(1.f, umax), 0.f);
quv.Uv2.set(std::min(1.f, umax), 1.f);
quv.Uv3.set(std::max(0.f, umin), 1.f);
rVR.drawQuad(_RenderLayer, quv, _TextureId, col, _Additif);
}
if (endRatio >= 1.f) return;
// draw end part
quv.V0 = blend(srcQuad.V0, srcQuad.V1, std::max(0.f , endRatio));
quv.V1 = srcQuad.V1;
quv.V2 = srcQuad.V2;
quv.V3 = blend(srcQuad.V3, srcQuad.V2, std::max(0.f , endRatio));
// draw end clamped part
quv.Uv0.set(1.f, 0.f);
quv.Uv1.set(1.f, 0.f);
quv.Uv2.set(1.f, 1.f);
quv.Uv3.set(1.f, 1.f);
rVR.drawQuad(_RenderLayer, quv, _TextureId, col, _Additif);
}
}
}
}
// *********************************************************************************
void CViewQuad::setAlpha(sint32 a)
{
_Color.A = (uint8) a;
}
// *********************************************************************************
void CViewQuad::setTexture(const std::string &texName)
{
// CInterfaceManager *pIM = CInterfaceManager::getInstance();
// CViewRenderer &rVR = *CViewRenderer::getInstance();
_TextureId.setTexture(texName.c_str());
}
// *********************************************************************************
std::string CViewQuad::getTexture() const
{
CViewRenderer &rVR = *CViewRenderer::getInstance();
return rVR.getTextureNameFromId (_TextureId);
}
// *********************************************************************************
void CViewQuad::setQuad(const CQuad &quad)
{
float qXMin = minof(quad.V0.x, quad.V1.x, quad.V2.x, quad.V3.x);
float qXMax = maxof(quad.V0.x, quad.V1.x, quad.V2.x, quad.V3.x);
float qYMin = minof(quad.V0.y, quad.V1.y, quad.V2.y, quad.V3.y);
float qYMax = maxof(quad.V0.y, quad.V1.y, quad.V2.y, quad.V3.y);
setPosRef(Hotspot_BL);
setX((sint32) floorf(qXMin));
setY((sint32) floorf(qYMin));
setW((sint32) ceilf(qXMax) - getX());
setH((sint32) ceilf(qYMax) - getY());
_Quad = quad;
}
// *********************************************************************************
void CViewQuad::setQuad(const NLMISC::CVector &start, const NLMISC::CVector &end, float thickness)
{
CVector right = end - start;
CVector up(-right.y, right.x, 0.f);
up = thickness * up.normed();
setQuad(CQuad(start + up, end + up, end - up, start - up));
}
// *********************************************************************************
void CViewQuad::setQuad(const NLMISC::CVector &pos, float radius, float angle /*=0.f*/)
{
if (angle == 0.f)
{
setQuad(pos - radius * CVector::I, pos + radius * CVector::I, radius);
}
else
{
CVector right(radius * cosf(angle), radius * sinf(angle), 0.f);
setQuad(pos - right, pos + right, radius);
}
}
// *********************************************************************************
void CViewQuad::setQuad(const std::string &texName, const NLMISC::CVector &srcPos, float angle /*= 0.f*/, float offCenter /* = 0.f*/)
{
NLMISC::CVector pos = srcPos;
CViewRenderer &rVR = *CViewRenderer::getInstance();
sint32 w, h;
rVR.getTextureSizeFromId(rVR.getTextureIdFromName(texName), w, h);
if (angle == 0.f)
{
if (offCenter != 0.f)
{
pos.x += offCenter;
}
setQuad(pos - 0.5f * w * CVector::I, pos + 0.5f * w * CVector::I, 0.5f * h);
}
else
{
CVector unitRadius(cosf(angle), sinf(angle), 0.f);
CVector radius = 0.5f * w * unitRadius;
pos += offCenter * unitRadius;
setQuad(pos - radius, pos + radius, 0.5f * h);
}
}
// *********************************************************************************
void CViewQuad::setAdditif(bool additif)
{
_Additif = additif;
}
// *********************************************************************************
void CViewQuad::setPattern(float umin, float umax, TWrapMode wrapMode)
{
nlassert((uint) wrapMode < WrapModeCount);
_UMin = umin;
_UMax = umax;
_WrapMode = wrapMode;
}
}

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// 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_quad.h"
#include "nel/gui/interface_group.h"
#include "interface_manager.h"
using namespace NLMISC;
// *********************************************************************************
CViewQuad::CViewQuad() : CViewBase(TCtorParam()), _Color(CRGBA::White),
_Additif(false),
_UMin(0.f),
_UMax(1.f),
_WrapMode(Repeat)
{
setQuad(CQuad(CVector::Null, CVector::Null, CVector::Null, CVector::Null));
// preset uvs for real quad
_RealQuad.Uv0.set(0.f, 0.f);
_RealQuad.Uv1.set(1.f, 0.f);
_RealQuad.Uv2.set(1.f, 1.f);
_RealQuad.Uv3.set(0.f, 1.f);
}
// *********************************************************************************
bool CViewQuad::parse(xmlNodePtr /* cur */, CInterfaceGroup * /* parentGroup */)
{
nlassert(0); // NOT IMPLEMENTED (only created dynamically at this time)
return false;
}
// *********************************************************************************
void CViewQuad::updateCoords()
{
CViewBase::updateCoords();
nlassert(_Parent);
// don't use _XReal && _YReal, because coords are given relative to parent
CVector delta((float) _Parent->getXReal(), (float) _Parent->getYReal(), 0.f);
_RealQuad.set(_Quad.V0 + delta, _Quad.V1 + delta, _Quad.V2 + delta, _Quad.V3 + delta);
}
// *********************************************************************************
void CViewQuad::draw()
{
nlassert(_Parent);
CInterfaceManager *pIM = CInterfaceManager::getInstance();
CViewRenderer &rVR = *CViewRenderer::getInstance();
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);
}
/*if (_InheritGCAlpha)
{
// search a parent container
CInterfaceGroup *gr = getParent();
while (gr)
{
if (gr->isGroupContainer())
{
CGroupContainer *gc = static_cast<CGroupContainer *>(gr);
col.A = (uint8)(((sint32)col.A*((sint32)gc->getCurrentContainerAlpha()+1))>>8);
break;
}
gr = gr->getParent();
}
}*/
if (_UMin == 0.f && _UMax == 1.f)
{
// no pattern applied, can draw the quad in a single piece
rVR.drawQuad(_RenderLayer, _RealQuad, _TextureId, col, _Additif);
}
else
{
NLMISC::CQuadUV quv;
if (_WrapMode == Repeat)
{
if (_UMax == _UMin)
{
(CQuad &) quv = _RealQuad; // copy CQuad part
float u = fmodf(_UMin, 1.f);
quv.Uv0.set(u, 0.f);
quv.Uv1.set(u, 0.f);
quv.Uv2.set(u, 1.f);
quv.Uv3.set(u, 1.f);
rVR.drawQuad(_RenderLayer, quv, _TextureId, col, _Additif);
}
else
{
// reverse corners if needed to handle case where _UVMin < _UVmax
NLMISC::CQuad srcQuad;
float umin, umax;
if (_UMax < _UMin)
{
umin = _UMax;
umax = _UMin;
srcQuad.V0 = _RealQuad.V1;
srcQuad.V1 = _RealQuad.V0;
srcQuad.V2 = _RealQuad.V3;
srcQuad.V3 = _RealQuad.V2;
}
else
{
umin = _UMin;
umax = _UMax;
srcQuad = _RealQuad;
}
float unitRatio = 1.f / fabsf(umax - umin); // ratio of the real quad delta x in screen for du = 1
// texture is stretched, mutiple parts needed
float ceilUMin = ceilf(umin);
float firstDeltaU = ceilUMin - umin;
if (firstDeltaU != 0.f)
{
// start quad
quv.V0 = srcQuad.V0;
quv.V1 = blend(srcQuad.V0, srcQuad.V1, std::min(1.f, (firstDeltaU * unitRatio)));
quv.V2 = blend(srcQuad.V3, srcQuad.V2, std::min(1.f, (firstDeltaU * unitRatio)));
quv.V3 = srcQuad.V3;
float lastU = std::min(umax + 1.f - ceilUMin, 1.f);
quv.Uv0.set(1.f - firstDeltaU, 0.f);
quv.Uv1.set(lastU, 0.f);
quv.Uv2.set(lastU, 1.f);
quv.Uv3.set(1.f - firstDeltaU, 1.f);
rVR.drawQuad(_RenderLayer, quv, _TextureId, col, _Additif);
if (firstDeltaU * unitRatio >= 1.f) return;
}
// TODO optim: reuse of previous uv & pos ... (prb is that they are not always computed)
// intermediate quads
sint numQuads = (sint) (floorf(umax) - ceilf(umin));
for(sint k = 0; k < numQuads; ++k)
{
float deltaU = firstDeltaU + k;
// start quad
quv.V0 = blend(srcQuad.V0, srcQuad.V1, deltaU * unitRatio);
quv.V1 = blend(srcQuad.V0, srcQuad.V1, (deltaU + 1.f) * unitRatio);
quv.V2 = blend(srcQuad.V3, srcQuad.V2, (deltaU + 1.f) * unitRatio);
quv.V3 = blend(srcQuad.V3, srcQuad.V2, deltaU * unitRatio);
quv.Uv0.set(0.f, 0.f);
quv.Uv1.set(1.f, 0.f);
quv.Uv2.set(1.f, 1.f);
quv.Uv3.set(0.f, 1.f);
rVR.drawQuad(_RenderLayer, quv, _TextureId, col, _Additif);
}
// end quad
float lastDeltaU = umax - floorf(umax);
if (lastDeltaU != 0.f)
{
// start quad
quv.V0 = blend(srcQuad.V1, srcQuad.V0, lastDeltaU * unitRatio);
quv.V1 = srcQuad.V1;
quv.V2 = srcQuad.V2;
quv.V3 = blend(srcQuad.V2, srcQuad.V3, lastDeltaU * unitRatio);
quv.Uv0.set(0.f, 0.f);
quv.Uv1.set(lastDeltaU, 0.f);
quv.Uv2.set(lastDeltaU, 1.f);
quv.Uv3.set(0.f, 1.f);
rVR.drawQuad(_RenderLayer, quv, _TextureId, col, _Additif);
}
}
}
else
{
nlassert(_WrapMode == Clamp);
if (_UMin == _UMax)
{
(CQuad &) quv = _RealQuad; // copy CQuad part
// special case
float u = _UMin;
clamp(u, 0.f, 1.f);
quv.Uv0.set(u, 0.f);
quv.Uv1.set(u, 1.f);
quv.Uv2.set(u, 1.f);
quv.Uv3.set(u, 0.f);
rVR.drawQuad(_RenderLayer, quv, _TextureId, col, _Additif);
}
else
{
NLMISC::CQuad srcQuad;
float umin, umax;
if (_UMax < _UMin)
{
umin = _UMax;
umax = _UMin;
srcQuad.V0 = _RealQuad.V1;
srcQuad.V1 = _RealQuad.V0;
srcQuad.V2 = _RealQuad.V3;
srcQuad.V3 = _RealQuad.V2;
}
else
{
umin = _UMin;
umax = _UMax;
srcQuad = _RealQuad;
}
float startRatio = - umin / (umax - umin); // start of unclamped u (actually (0.f - umin) / (umax - umin) )
if (umin < 0.f)
{
quv.V0 = srcQuad.V0;
quv.V1 = blend(srcQuad.V0, srcQuad.V1, std::min(1.f ,startRatio));
quv.V2 = blend(srcQuad.V3, srcQuad.V2, std::min(1.f ,startRatio));
quv.V3 = srcQuad.V3;
// draw first clamped part
quv.Uv0.set(0.f, 0.f);
quv.Uv1.set(0.f, 0.f);
quv.Uv2.set(0.f, 1.f);
quv.Uv3.set(0.f, 1.f);
rVR.drawQuad(_RenderLayer, quv, _TextureId, col, _Additif);
}
if (startRatio >= 1.f) return;
float endRatio = (1.f - umin) / (umax - umin);
if (endRatio > 0.f)
{
// draw middle part if visible
// TODO optim: reuse of previous uv & pos ... (prb is that they are not always computed)
quv.V0 = blend(srcQuad.V0, srcQuad.V1, std::max(0.f , startRatio));
quv.V1 = blend(srcQuad.V0, srcQuad.V1, std::min(1.f , endRatio));
quv.V2 = blend(srcQuad.V3, srcQuad.V2, std::min(1.f , endRatio));
quv.V3 = blend(srcQuad.V3, srcQuad.V2, std::max(0.f , startRatio));
// draw first clamped part
quv.Uv0.set(std::max(0.f, umin), 0.f);
quv.Uv1.set(std::min(1.f, umax), 0.f);
quv.Uv2.set(std::min(1.f, umax), 1.f);
quv.Uv3.set(std::max(0.f, umin), 1.f);
rVR.drawQuad(_RenderLayer, quv, _TextureId, col, _Additif);
}
if (endRatio >= 1.f) return;
// draw end part
quv.V0 = blend(srcQuad.V0, srcQuad.V1, std::max(0.f , endRatio));
quv.V1 = srcQuad.V1;
quv.V2 = srcQuad.V2;
quv.V3 = blend(srcQuad.V3, srcQuad.V2, std::max(0.f , endRatio));
// draw end clamped part
quv.Uv0.set(1.f, 0.f);
quv.Uv1.set(1.f, 0.f);
quv.Uv2.set(1.f, 1.f);
quv.Uv3.set(1.f, 1.f);
rVR.drawQuad(_RenderLayer, quv, _TextureId, col, _Additif);
}
}
}
}
// *********************************************************************************
void CViewQuad::setAlpha(sint32 a)
{
_Color.A = (uint8) a;
}
// *********************************************************************************
void CViewQuad::setTexture(const std::string &texName)
{
// CInterfaceManager *pIM = CInterfaceManager::getInstance();
// CViewRenderer &rVR = *CViewRenderer::getInstance();
_TextureId.setTexture(texName.c_str());
}
// *********************************************************************************
std::string CViewQuad::getTexture() const
{
CInterfaceManager *pIM = CInterfaceManager::getInstance();
CViewRenderer &rVR = *CViewRenderer::getInstance();
return rVR.getTextureNameFromId (_TextureId);
}
// *********************************************************************************
void CViewQuad::setQuad(const CQuad &quad)
{
float qXMin = minof(quad.V0.x, quad.V1.x, quad.V2.x, quad.V3.x);
float qXMax = maxof(quad.V0.x, quad.V1.x, quad.V2.x, quad.V3.x);
float qYMin = minof(quad.V0.y, quad.V1.y, quad.V2.y, quad.V3.y);
float qYMax = maxof(quad.V0.y, quad.V1.y, quad.V2.y, quad.V3.y);
setPosRef(Hotspot_BL);
setX((sint32) floorf(qXMin));
setY((sint32) floorf(qYMin));
setW((sint32) ceilf(qXMax) - getX());
setH((sint32) ceilf(qYMax) - getY());
_Quad = quad;
}
// *********************************************************************************
void CViewQuad::setQuad(const NLMISC::CVector &start, const NLMISC::CVector &end, float thickness)
{
CVector right = end - start;
CVector up(-right.y, right.x, 0.f);
up = thickness * up.normed();
setQuad(CQuad(start + up, end + up, end - up, start - up));
}
// *********************************************************************************
void CViewQuad::setQuad(const NLMISC::CVector &pos, float radius, float angle /*=0.f*/)
{
if (angle == 0.f)
{
setQuad(pos - radius * CVector::I, pos + radius * CVector::I, radius);
}
else
{
CVector right(radius * cosf(angle), radius * sinf(angle), 0.f);
setQuad(pos - right, pos + right, radius);
}
}
// *********************************************************************************
void CViewQuad::setQuad(const std::string &texName, const NLMISC::CVector &srcPos, float angle /*= 0.f*/, float offCenter /* = 0.f*/)
{
NLMISC::CVector pos = srcPos;
CInterfaceManager *pIM = CInterfaceManager::getInstance();
CViewRenderer &rVR = *CViewRenderer::getInstance();
sint32 w, h;
rVR.getTextureSizeFromId(rVR.getTextureIdFromName(texName), w, h);
if (angle == 0.f)
{
if (offCenter != 0.f)
{
pos.x += offCenter;
}
setQuad(pos - 0.5f * w * CVector::I, pos + 0.5f * w * CVector::I, 0.5f * h);
}
else
{
CVector unitRadius(cosf(angle), sinf(angle), 0.f);
CVector radius = 0.5f * w * unitRadius;
pos += offCenter * unitRadius;
setQuad(pos - radius, pos + radius, 0.5f * h);
}
}
// *********************************************************************************
void CViewQuad::setAdditif(bool additif)
{
_Additif = additif;
}
// *********************************************************************************
void CViewQuad::setPattern(float umin, float umax, TWrapMode wrapMode)
{
nlassert((uint) wrapMode < WrapModeCount);
_UMin = umin;
_UMax = umax;
_WrapMode = wrapMode;
}

90
code/ryzom/client/src/interface_v3/view_quad.h
View file

@ -1,90 +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/>.
#ifndef RZ_VIEW_QUAD_H
#define RZ_VIEW_QUAD_H
#include "nel/gui/view_base.h"
#include "nel/gui/view_renderer.h"
#include "nel/misc/geom_ext.h"
/** Display of an arbitrary textured quad in the UI. The applied texture is filtered.
* Unlike CViewBitmap, the texture is always scaled here, and this ui element coordinates
* are driven by the quad vertices coordinates (see setQuad)
*
* \author Nicolas Vizerie
* \author Nevrax France
* \date 12/2005
*/
class CViewQuad : public CViewBase
{
public:
enum TWrapMode { Repeat = 0, Clamp, WrapModeCount };
CViewQuad();
// from CInterfaceElement
bool parse(xmlNodePtr cur,CInterfaceGroup *parentGroup);
virtual void updateCoords();
virtual void draw();
virtual uint32 getMemory() { return (uint32)(sizeof(*this)+_Id.size()); }
// from CViewBase
virtual sint32 getAlpha() const { return (sint32) _Color.A; }
virtual void setAlpha (sint32 a);
// texture
void setTexture(const std::string &texName);
std::string getTexture () const;
// color
void setColorRGBA(NLMISC::CRGBA col) { _Color = col; }
NLMISC::CRGBA getColorRGBA() const { return _Color; }
/** Set a new quad relative to parent pos
* x,y, w, h & hotspot are updated to fit the bounding rect of the quad
*/
void setQuad(const NLMISC::CQuad &quad);
void setQuad(const NLMISC::CVector &start, const NLMISC::CVector &end, float thickness);
/** Fit the given texture size (no hotspot for now, always centered)
* NB : current texture is not modified.
*/
void setQuad(const std::string &texName, const NLMISC::CVector &pos, float angle = 0.f, float offCenter = 0.f);
void setQuad(const NLMISC::CVector &pos, float radius, float angle = 0.f);
const NLMISC::CQuad &getQuad() const { return _Quad; }
void setAdditif(bool additif);
bool getAdditif() const { return _Additif; }
void setPattern(float umin, float umax, TWrapMode wrapMode);
private:
NLMISC::CRGBA _Color;
NLMISC::CQuad _Quad;
NLMISC::CQuadUV _RealQuad; // absolute coords
float _ClampedUCorrection;
CViewRenderer::CTextureId _TextureId; /// Accelerator
bool _Additif;
float _UMin;
float _UMax;
TWrapMode _WrapMode;
};
#endif