96 lines
2.4 KiB
Text
96 lines
2.4 KiB
Text
|
/**
|
||
|
|
* PANDA 3D SOFTWARE
|
||
|
|
* Copyright (c) Carnegie Mellon University. All rights reserved.
|
||
|
|
*
|
||
|
|
* All use of this software is subject to the terms of the revised BSD
|
||
|
|
* license. You should have received a copy of this license along
|
||
|
|
* with this source code in a file named "LICENSE."
|
||
|
|
*
|
||
|
|
* @file texMatrixAttrib.I
|
||
|
|
* @author drose
|
||
|
|
* @date 2002-03-14
|
||
|
|
*/
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Use TexMatrixAttrib::make() to construct a new TexMatrixAttrib object.
|
||
|
|
*/
|
||
|
|
INLINE TexMatrixAttrib::
|
||
|
|
TexMatrixAttrib() {
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Use TexMatrixAttrib::make() to construct a new TexMatrixAttrib object.
|
||
|
|
*/
|
||
|
|
INLINE TexMatrixAttrib::
|
||
|
|
TexMatrixAttrib(const TexMatrixAttrib ©) :
|
||
|
|
_stages(copy._stages)
|
||
|
|
{
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Returns the override value associated with the indicated stage.
|
||
|
|
*/
|
||
|
|
INLINE int TexMatrixAttrib::
|
||
|
|
get_override(TextureStage *stage) const {
|
||
|
|
Stages::const_iterator si;
|
||
|
|
si = _stages.find(StageNode(stage));
|
||
|
|
if (si != _stages.end()) {
|
||
|
|
return (*si)._override;
|
||
|
|
}
|
||
|
|
nassert_raise("Specified TextureStage not included in attrib");
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Returns the union of the Geom::GeomRendering bits that will be required
|
||
|
|
* once this TexMatrixAttrib is applied to a geom which includes the indicated
|
||
|
|
* geom_rendering bits.
|
||
|
|
*/
|
||
|
|
INLINE int TexMatrixAttrib::
|
||
|
|
get_geom_rendering(int geom_rendering) const {
|
||
|
|
if ((geom_rendering & Geom::GR_point_sprite) != 0) {
|
||
|
|
if (!is_empty()) {
|
||
|
|
geom_rendering |= Geom::GR_point_sprite_tex_matrix;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return geom_rendering;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
*
|
||
|
|
*/
|
||
|
|
INLINE TexMatrixAttrib::StageNode::
|
||
|
|
StageNode(const TextureStage *stage) :
|
||
|
|
// Yeah, we cast away the constness here. Just too much trouble to deal
|
||
|
|
// with it properly.
|
||
|
|
_stage((TextureStage *)stage),
|
||
|
|
_override(0)
|
||
|
|
{
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Compares the full attributes of StageNodes (as opposed to just the pointer
|
||
|
|
* compared by CompareTextureStagePointer, below).
|
||
|
|
*/
|
||
|
|
INLINE bool TexMatrixAttrib::StageNode::
|
||
|
|
operator < (const TexMatrixAttrib::StageNode &other) const {
|
||
|
|
if (_stage != other._stage) {
|
||
|
|
return _stage < other._stage;
|
||
|
|
}
|
||
|
|
if (_transform != other._transform) {
|
||
|
|
return _transform < other._transform;
|
||
|
|
}
|
||
|
|
return _override < other._override;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* This STL function object is used to sort a list of texture stages in order
|
||
|
|
* by pointer.
|
||
|
|
*/
|
||
|
|
INLINE bool TexMatrixAttrib::CompareTextureStagePointer::
|
||
|
|
operator () (const TexMatrixAttrib::StageNode &a,
|
||
|
|
const TexMatrixAttrib::StageNode &b) const {
|
||
|
|
return a._stage < b._stage;
|
||
|
|
}
|