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card_decal

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This commit is contained in:
David Rose 2005-05-15 18:35:10 +00:00
parent d1761dfb3c
commit 81a4a54ad7
3 changed files with 102 additions and 54 deletions
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81
panda/src/text/textNode.I
View File

@ -486,6 +486,23 @@ set_card_actual(float left, float right, float bottom, float top) {
invalidate_no_measure();
}
////////////////////////////////////////////////////////////////////
// Function: TextNode::set_card_decal
// Access: Published
// Description: Sets the card_decal flag. When this is true, the
// text is decalled onto the card, which is necessary if
// the TextNode is to be rendered in the 3-d world
// without putting it in a bin.
////////////////////////////////////////////////////////////////////
INLINE void TextNode::
set_card_decal(bool card_decal) {
if (card_decal) {
_flags |= F_card_decal;
} else {
_flags &= ~F_card_decal;
}
}
////////////////////////////////////////////////////////////////////
// Function: TextNode::clear_card
// Access: Published
@ -508,6 +525,16 @@ has_card() const {
return (_flags & F_has_card) != 0;
}
////////////////////////////////////////////////////////////////////
// Function: TextNode::get_card_decal
// Access: Published
// Description: Returns the card_decal flag. See set_card_decal().
////////////////////////////////////////////////////////////////////
INLINE bool TextNode::
get_card_decal() const {
return (_flags & F_card_decal) != 0;
}
////////////////////////////////////////////////////////////////////
// Function: TextNode::is_card_as_margin
// Access: Published
@ -637,6 +664,33 @@ get_coordinate_system() const {
return _coordinate_system;
}
////////////////////////////////////////////////////////////////////
// Function: TextNode::set_usage_hint
// Access: Published
// Description: Specifies the UsageHint that will be applied to
// generated geometry. The default is UH_static, which
// is probably the right setting, but if you know the
// TextNode's geometry will have a short lifespan, it
// may be better to set it to UH_stream. See
// geomEnums.h.
////////////////////////////////////////////////////////////////////
INLINE void TextNode::
set_usage_hint(qpGeom::UsageHint usage_hint) {
_assembler.set_usage_hint(usage_hint);
invalidate_no_measure();
}
////////////////////////////////////////////////////////////////////
// Function: TextNode::get_usage_hint
// Access: Published
// Description: Returns the UsageHint that will be applied to
// generated geometry. See set_usage_hint().
////////////////////////////////////////////////////////////////////
INLINE qpGeom::UsageHint TextNode::
get_usage_hint() const {
return _assembler.get_usage_hint();
}
////////////////////////////////////////////////////////////////////
// Function: TextNode::set_font
// Access: Published
@ -1058,33 +1112,6 @@ clear_glyph_shift() {
invalidate_with_measure();
}
////////////////////////////////////////////////////////////////////
// Function: TextNode::set_usage_hint
// Access: Published
// Description: Specifies the UsageHint that will be applied to
// generated geometry. The default is UH_static, which
// is probably the right setting, but if you know the
// TextNode's geometry will have a short lifespan, it
// may be better to set it to UH_stream. See
// geomEnums.h.
////////////////////////////////////////////////////////////////////
INLINE void TextNode::
set_usage_hint(qpGeom::UsageHint usage_hint) {
_assembler.set_usage_hint(usage_hint);
invalidate_no_measure();
}
////////////////////////////////////////////////////////////////////
// Function: TextNode::get_usage_hint
// Access: Published
// Description: Returns the UsageHint that will be applied to
// generated geometry. See set_usage_hint().
////////////////////////////////////////////////////////////////////
INLINE qpGeom::UsageHint TextNode::
get_usage_hint() const {
return _assembler.get_usage_hint();
}
////////////////////////////////////////////////////////////////////
// Function: TextNode::set_text

62
panda/src/text/textNode.cxx
View File

@ -48,6 +48,7 @@
#include "accumulatedAttribs.h"
#include "renderState.h"
#include "renderModeAttrib.h"
#include "decalEffect.h"
#include "dcast.h"
#include "bamFile.h"
#include "zStream.h"
@ -247,7 +248,8 @@ generate() {
LMatrix4f::convert_mat(CS_zup_right, _coordinate_system) *
_transform;
root->set_transform(TransformState::make_mat(mat));
CPT(TransformState) transform = TransformState::make_mat(mat);
root->set_transform(transform);
wstring wtext = get_wtext();
@ -282,29 +284,26 @@ generate() {
// Incidentally, that means we don't need to measure the text now.
_flags &= ~F_needs_measure;
// Now flatten our hierarchy to get rid of the transforms we put in,
// applying them to the vertices.
if (text_flatten) {
SceneGraphReducer gr;
gr.apply_attribs(root);
gr.flatten(root, ~SceneGraphReducer::CS_within_radius);
gr.collect_vertex_data(root);
gr.unify(root);
}
// Now deal with the decorations.
if (has_frame()) {
PT(PandaNode) frame_root = make_frame();
root->add_child(frame_root, get_draw_order() + 1);
frame_root->set_attrib(ColorAttrib::make_flat(get_frame_color()));
if (get_frame_color()[3] != 1.0f) {
frame_root->set_attrib(TransparencyAttrib::make(TransparencyAttrib::M_alpha));
}
if (has_bin()) {
frame_root->set_attrib(CullBinAttrib::make(get_bin(), get_draw_order() + 1));
}
}
if (has_card()) {
PT(PandaNode) card_root;
if (has_card_border())
card_root = make_card_with_border();
else
card_root = make_card();
root->add_child(card_root, get_draw_order());
card_root->set_transform(transform);
card_root->set_attrib(ColorAttrib::make_flat(get_card_color()));
if (get_card_color()[3] != 1.0f) {
card_root->set_attrib(TransparencyAttrib::make(TransparencyAttrib::M_alpha));
@ -316,17 +315,36 @@ generate() {
if (has_bin()) {
card_root->set_attrib(CullBinAttrib::make(get_bin(), get_draw_order()));
}
// We always apply attribs down to the card vertices.
SceneGraphReducer gr;
gr.apply_attribs(card_root);
// In order to decal the text onto the card, the card must
// become the parent of the text.
card_root->add_child(root);
root = card_root;
if (get_card_decal()) {
card_root->set_effect(DecalEffect::make());
}
}
// Now flatten our hierarchy to get rid of the transforms we put in,
// applying them to the vertices.
if (has_frame()) {
PT(PandaNode) frame_root = make_frame();
frame_root->set_transform(transform);
root->add_child(frame_root, get_draw_order() + 1);
frame_root->set_attrib(ColorAttrib::make_flat(get_frame_color()));
if (get_frame_color()[3] != 1.0f) {
frame_root->set_attrib(TransparencyAttrib::make(TransparencyAttrib::M_alpha));
}
if (has_bin()) {
frame_root->set_attrib(CullBinAttrib::make(get_bin(), get_draw_order() + 1));
}
if (text_flatten) {
SceneGraphReducer gr;
gr.apply_attribs(root);
gr.flatten(root, ~SceneGraphReducer::CS_within_radius);
gr.collect_vertex_data(root);
gr.unify(root);
gr.apply_attribs(frame_root);
}
return root;

13
panda/src/text/textNode.h
View File

@ -105,8 +105,10 @@ PUBLISHED:
float bottom, float top);
INLINE void set_card_actual(float left, float right,
float bottom, float top);
INLINE void set_card_decal(bool card_decal);
INLINE void clear_card();
INLINE bool has_card() const;
INLINE bool get_card_decal() const;
INLINE bool is_card_as_margin() const;
INLINE LVecBase4f get_card_as_set() const;
INLINE LVecBase4f get_card_actual() const;
@ -118,9 +120,12 @@ PUBLISHED:
INLINE void set_coordinate_system(CoordinateSystem cs);
INLINE CoordinateSystem get_coordinate_system() const;
INLINE void set_usage_hint(qpGeom::UsageHint usage_hint);
INLINE qpGeom::UsageHint get_usage_hint() const;
// These methods are inherited from TextProperties, but we override
// here so we can flag the TextNode as dirty when they have been
// change.
// changed.
INLINE void set_font(TextFont *font);
INLINE void clear_font();
@ -170,12 +175,9 @@ PUBLISHED:
INLINE void set_glyph_shift(float glyph_shift);
INLINE void clear_glyph_shift();
INLINE void set_usage_hint(qpGeom::UsageHint usage_hint);
INLINE qpGeom::UsageHint get_usage_hint() const;
// These methods are inherited from TextEncoder, but we override
// here so we can flag the TextNode as dirty when they have been
// change.
// changed.
INLINE void set_text(const string &text);
INLINE void set_text(const string &text, Encoding encoding);
INLINE void clear_text();
@ -268,6 +270,7 @@ private:
F_needs_rebuild = 0x0100,
F_needs_measure = 0x0200,
F_has_overflow = 0x0400,
F_card_decal = 0x0800,
};
int _flags;