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use 2-d texture coordinates when possible

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This commit is contained in:
David Rose 2006-02-26 00:41:26 +00:00
parent 781207e5cf
commit 85ff01dba5
3 changed files with 48 additions and 17 deletions
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21
panda/src/grutil/cardMaker.I
View File

@ -47,6 +47,19 @@ set_has_uvs(bool flag) {
_has_uvs = flag;
}
////////////////////////////////////////////////////////////////////
// Function: CardMaker::set_has_3d_uvs
// Access: Public
// Description: Sets the flag indicating whether vertices will be
// generated with 3-component UVW's (true) or
// 2-component UV's (the default, false). Normally,
// this will be implicitly set by setting the uv_range.
////////////////////////////////////////////////////////////////////
INLINE void CardMaker::
set_has_3d_uvs(bool flag) {
_has_3d_uvs = flag;
}
////////////////////////////////////////////////////////////////////
// Function: CardMaker::set_uv_range
// Access: Public
@ -62,6 +75,8 @@ set_uv_range(const TexCoord3f &ll, const TexCoord3f &lr, const TexCoord3f &ur, c
_lr_tex = lr;
_ur_tex = ur;
_ul_tex = ul;
_has_uvs = true;
_has_3d_uvs = true;
}
////////////////////////////////////////////////////////////////////
@ -79,6 +94,8 @@ set_uv_range(const TexCoordf &ll, const TexCoordf &lr, const TexCoordf &ur, cons
_lr_tex.set(lr[0], lr[1], 0.0f);
_ur_tex.set(ur[0], ur[1], 0.0f);
_ul_tex.set(ul[0], ul[1], 0.0f);
_has_uvs = true;
_has_3d_uvs = false;
}
////////////////////////////////////////////////////////////////////
@ -96,6 +113,8 @@ set_uv_range(const TexCoordf &ll, const TexCoordf &ur) {
_lr_tex.set(ur[0], ll[1], 0.0f);
_ur_tex.set(ur[0], ur[1], 0.0f);
_ul_tex.set(ll[0], ur[1], 0.0f);
_has_uvs = true;
_has_3d_uvs = false;
}
////////////////////////////////////////////////////////////////////
@ -113,6 +132,8 @@ set_uv_range(const LVector4f &x, const LVector4f &y, const LVector4f &z) {
_lr_tex.set(x[1], y[1], z[1]);
_ur_tex.set(x[2], y[2], z[2]);
_ul_tex.set(x[3], y[3], z[3]);
_has_uvs = true;
_has_3d_uvs = true;
}
////////////////////////////////////////////////////////////////////

41
panda/src/grutil/cardMaker.cxx
View File

@ -34,6 +34,7 @@
void CardMaker::
reset() {
_has_uvs = true;
_has_3d_uvs = false;
_ll_pos.set(0.0f, 0.0f, 0.0f);
_lr_pos.set(1.0f, 0.0f, 0.0f);
@ -71,27 +72,35 @@ generate() {
CPT(GeomVertexFormat) format;
if (_has_normals) {
if (_has_uvs) {
format = GeomVertexFormat::register_format(new GeomVertexArrayFormat
(InternalName::get_vertex(), 3,
GeomEnums::NT_float32, GeomEnums::C_point,
InternalName::get_normal(), 3,
GeomEnums::NT_float32, GeomEnums::C_vector,
InternalName::get_color(), 1,
GeomEnums::NT_packed_dabc, GeomEnums::C_color,
InternalName::get_texcoord(), 3,
GeomEnums::NT_float32, GeomEnums::C_texcoord));
if (_has_3d_uvs) {
format = GeomVertexFormat::register_format(new GeomVertexArrayFormat
(InternalName::get_vertex(), 3,
GeomEnums::NT_float32, GeomEnums::C_point,
InternalName::get_normal(), 3,
GeomEnums::NT_float32, GeomEnums::C_vector,
InternalName::get_color(), 1,
GeomEnums::NT_packed_dabc, GeomEnums::C_color,
InternalName::get_texcoord(), 3,
GeomEnums::NT_float32, GeomEnums::C_texcoord));
} else {
format = GeomVertexFormat::get_v3n3cpt2();
}
} else {
format = GeomVertexFormat::get_v3n3cp();
}
} else {
if (_has_uvs) {
format = GeomVertexFormat::register_format(new GeomVertexArrayFormat
(InternalName::get_vertex(), 3,
GeomEnums::NT_float32, GeomEnums::C_point,
InternalName::get_color(), 1,
GeomEnums::NT_packed_dabc, GeomEnums::C_color,
InternalName::get_texcoord(), 3,
GeomEnums::NT_float32, GeomEnums::C_texcoord));
if (_has_3d_uvs) {
format = GeomVertexFormat::register_format(new GeomVertexArrayFormat
(InternalName::get_vertex(), 3,
GeomEnums::NT_float32, GeomEnums::C_point,
InternalName::get_color(), 1,
GeomEnums::NT_packed_dabc, GeomEnums::C_color,
InternalName::get_texcoord(), 3,
GeomEnums::NT_float32, GeomEnums::C_texcoord));
} else {
format = GeomVertexFormat::get_v3cpt2();
}
} else {
format = GeomVertexFormat::get_v3cp();
}

3
panda/src/grutil/cardMaker.h
View File

@ -43,6 +43,7 @@ PUBLISHED:
INLINE void set_uv_range(const TexCoord3f &ll, const TexCoord3f &lr, const TexCoord3f &ur, const TexCoord3f &ul);
INLINE void set_uv_range(const LVector4f &x, const LVector4f &y, const LVector4f &z);
INLINE void set_has_uvs(bool flag);
INLINE void set_has_3d_uvs(bool flag);
INLINE void set_uv_range_cube(int face);
INLINE void set_frame(float left, float right, float bottom, float top);
@ -62,7 +63,7 @@ PUBLISHED:
private:
PT(PandaNode) rescale_source_geometry();
bool _has_uvs;
bool _has_uvs, _has_3d_uvs;
Vertexf _ul_tex, _ll_tex, _lr_tex, _ur_tex;
TexCoord3f _ul_pos, _ll_pos, _lr_pos, _ur_pos;