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Added a bunch of files synched with 0.8.42

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This commit is contained in:
Don BURNS
2001-09-19 21:08:56 +00:00
parent fed86f3f03
commit e8f256a59d
446 changed files with 58397 additions and 10552 deletions
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145
src/osg/TexGen.cpp
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@@ -1,89 +1,92 @@
#include "osg/TexGen"
#include "osg/Input"
#include "osg/Output"
#include "osg/Notify"
using namespace osg;
TexGen::TexGen( void )
TexGen::TexGen()
{
_mode = OBJECT_LINEAR;
_plane_s.set(1.0f, 0.0f, 0.0f, 0.0f);
_plane_t.set(0.0f, 1.0f, 0.0f, 0.0f);
_plane_r.set(0.0f, 0.0f, 1.0f, 0.0f);
_plane_q.set(0.0f, 0.0f, 0.0f, 1.0f);
}
TexGen::~TexGen( void )
TexGen::~TexGen()
{
}
TexGen* TexGen::instance()
void TexGen::setPlane(const Coord which, const Vec4& plane)
{
static ref_ptr<TexGen> s_texgen(new TexGen);
return s_texgen.get();
}
bool TexGen::readLocalData(Input& fr)
{
bool iteratorAdvanced = false;
TexGenMode mode;
if (fr[0].matchWord("mode") && matchModeStr(fr[1].getStr(),mode))
switch( which )
{
_mode = mode;
fr+=2;
iteratorAdvanced = true;
case S : _plane_s = plane; break;
case T : _plane_t = plane; break;
case R : _plane_r = plane; break;
case Q : _plane_q = plane; break;
default : notify(WARN)<<"Error: invalid 'which' passed TexGen::setPlane("<<(unsigned int)which<<","<<plane<<")"<<endl; break;
}
}
const Vec4& TexGen::getPlane(const Coord which) const
{
switch( which )
{
case S : return _plane_s;
case T : return _plane_t;
case R : return _plane_r;
case Q : return _plane_q;
default : notify(WARN)<<"Error: invalid 'which' passed TexGen::getPlane(which)"<<endl; return _plane_r;
}
}
void TexGen::apply(State&) const
{
if (_mode == OBJECT_LINEAR)
{
glTexGenfv(GL_S, GL_OBJECT_PLANE, _plane_s.ptr());
glTexGenfv(GL_T, GL_OBJECT_PLANE, _plane_t.ptr());
glTexGenfv(GL_R, GL_OBJECT_PLANE, _plane_r.ptr());
glTexGenfv(GL_Q, GL_OBJECT_PLANE, _plane_q.ptr());
glTexGeni( GL_S, GL_TEXTURE_GEN_MODE, _mode );
glTexGeni( GL_T, GL_TEXTURE_GEN_MODE, _mode );
glTexGeni( GL_R, GL_TEXTURE_GEN_MODE, _mode );
glTexGeni( GL_Q, GL_TEXTURE_GEN_MODE, _mode );
// note, R & Q will be disabled so R&Q settings won't
// have an effect, see above comment in enable(). RO.
}
else if (_mode == EYE_LINEAR)
{
glTexGenfv(GL_S, GL_EYE_PLANE, _plane_s.ptr());
glTexGenfv(GL_T, GL_EYE_PLANE, _plane_t.ptr());
glTexGenfv(GL_R, GL_EYE_PLANE, _plane_r.ptr());
glTexGenfv(GL_Q, GL_EYE_PLANE, _plane_q.ptr());
glTexGeni( GL_S, GL_TEXTURE_GEN_MODE, _mode );
glTexGeni( GL_T, GL_TEXTURE_GEN_MODE, _mode );
glTexGeni( GL_R, GL_TEXTURE_GEN_MODE, _mode );
glTexGeni( GL_Q, GL_TEXTURE_GEN_MODE, _mode );
// note, R & Q will be disabled so R&Q settings won't
// have an effect, see above comment in enable(). RO.
}
else // SPHERE_MAP
{
// We ignore the planes if we are not in OBJECT_ or EYE_LINEAR mode.
// Also don't set the mode of GL_R & GL_Q as these will generate
// GL_INVALID_ENUM (See OpenGL Refrence Guide, glTexGEn.)
glTexGeni( GL_S, GL_TEXTURE_GEN_MODE, _mode );
glTexGeni( GL_T, GL_TEXTURE_GEN_MODE, _mode );
}
return iteratorAdvanced;
}
bool TexGen::matchModeStr(const char* str,TexGenMode& mode)
{
if (strcmp(str,"EYE_LINEAR")==0) mode = EYE_LINEAR;
else if (strcmp(str,"OBJECT_LINEAR")==0) mode = OBJECT_LINEAR;
else if (strcmp(str,"SPHERE_MAP")==0) mode = SPHERE_MAP;
else return false;
return true;
}
const char* TexGen::getModeStr(TexGenMode mode)
{
switch(mode)
{
case(EYE_LINEAR): return "EYE_LINEAR";
case(OBJECT_LINEAR): return "OBJECT_LINEAR";
case(SPHERE_MAP): return "SPHERE_MAP";
}
return "";
}
bool TexGen::writeLocalData(Output& fw)
{
fw.indent() << "mode " << getModeStr(_mode) << endl;
return true;
}
void TexGen::enable( void )
{
glEnable( GL_TEXTURE_GEN_S );
glEnable( GL_TEXTURE_GEN_T );
}
void TexGen::disable( void )
{
glDisable( GL_TEXTURE_GEN_S );
glDisable( GL_TEXTURE_GEN_T );
}
void TexGen::apply( void )
{
glTexGeni( GL_S, GL_TEXTURE_GEN_MODE, _mode );
glTexGeni( GL_T, GL_TEXTURE_GEN_MODE, _mode );
}