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This commit is contained in:
David Rose 2001-06-26 22:10:09 +00:00
parent ce1c093503
commit 2cc4b83677
5 changed files with 250 additions and 33 deletions
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2
pandatool/src/bam/Sources.pp
View File

@ -40,7 +40,7 @@
#begin bin_target
#define TARGET bam2egg
#define LOCAL_LIBS \
eggbase progbase
converter eggbase progbase
#define OTHER_LIBS \
egg:c pandaegg:m \
parametrics:c collide:c chan:c char:c switchnode:c \

265
pandatool/src/bam/bamToEgg.cxx
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@ -41,6 +41,11 @@
#include "colorMatrixTransition.h"
#include "alphaTransformTransition.h"
#include "textureTransition.h"
#include "cullFaceTransition.h"
#include "cullFaceProperty.h"
#include "billboardTransition.h"
#include "decalTransition.h"
#include "somethingToEggConverter.h"
////////////////////////////////////////////////////////////////////
@ -56,6 +61,7 @@ GeomState() {
_alpha_scale = 1.0;
_alpha_offset = 0.0;
_tex = (Texture *)NULL;
_bface = false;
}
////////////////////////////////////////////////////////////////////
@ -65,7 +71,7 @@ GeomState() {
// its corresponding ArcChain) into the GeomState.
////////////////////////////////////////////////////////////////////
void BamToEgg::GeomState::
get_net_state(Node *node, ArcChain &chain) {
get_net_state(Node *node, ArcChain &chain, EggGroupNode *egg_parent) {
AllTransitionsWrapper atw;
wrt(node, chain.begin(), chain.end(),
@ -76,6 +82,8 @@ get_net_state(Node *node, ArcChain &chain) {
const TransformTransition *tt;
if (get_transition_into(tt, atw)) {
_mat = tt->get_matrix();
LMatrix4f inv = LCAST(float, egg_parent->get_vertex_frame_inv());
_mat = _mat * inv;
}
// Check for texture matrix.
@ -104,28 +112,12 @@ get_net_state(Node *node, ArcChain &chain) {
_tex = txt->get_texture();
}
}
}
////////////////////////////////////////////////////////////////////
// Function: BamToEgg::GeomState::apply
// Access: Public
// Description: Applies the state to the indicated EggPrimitive, as
// appropriate.
////////////////////////////////////////////////////////////////////
void BamToEgg::GeomState::
apply(EggPrimitive *egg_prim,
EggTextureCollection &textures,
EggMaterialCollection &materials) {
if (_tex != (Texture *)NULL) {
if (_tex->has_name()) {
EggTexture temp("", _tex->get_name());
if (_tex->has_alpha_name()) {
temp.set_alpha_file(_tex->get_alpha_name());
}
EggTexture *egg_tex =
textures.create_unique_texture(temp, ~EggTexture::E_tref_name);
egg_prim->set_texture(egg_tex);
// Check for bface.
const CullFaceTransition *cft;
if (get_transition_into(cft, atw)) {
if (cft->get_mode() == CullFaceProperty::M_cull_none) {
_bface = true;
}
}
}
@ -188,6 +180,19 @@ apply_color(EggVertex &egg_vert, const Colorf &color) {
egg_vert.set_color(transformed);
}
////////////////////////////////////////////////////////////////////
// Function: BamToEgg::GeomState::apply_prim
// Access: Public
// Description: Applies generic, non-vertex-specific properties to
// the primitive.
////////////////////////////////////////////////////////////////////
void BamToEgg::GeomState::
apply_prim(EggPrimitive *egg_prim) {
if (_bface) {
egg_prim->set_bface_flag(true);
}
}
////////////////////////////////////////////////////////////////////
// Function: BamToEgg::Constructor
// Access: Public
@ -199,7 +204,7 @@ BamToEgg() :
{
add_texture_path_options();
add_rel_dir_options();
add_search_path_options(false);
add_search_path_options(true);
set_program_description
("This program converts native Panda Bam files to egg. The conversion "
@ -291,6 +296,7 @@ convert_node(Node *node, ArcChain &chain, EggGroupNode *egg_parent) {
EggGroup *egg_group = new EggGroup(name);
egg_parent->add_child(egg_group);
apply_arc_properties(egg_group, chain);
recurse_nodes(node, chain, egg_group);
}
@ -310,6 +316,7 @@ convert_lod_node(LODNode *node, ArcChain &chain, EggGroupNode *egg_parent) {
EggGroup *egg_group = new EggGroup(name);
egg_parent->add_child(egg_group);
apply_arc_properties(egg_group, chain);
int num_children = node->get_num_children(RenderRelation::get_class_type());
int num_switches = node->get_num_switches();
@ -354,9 +361,26 @@ convert_lod_node(LODNode *node, ArcChain &chain, EggGroupNode *egg_parent) {
////////////////////////////////////////////////////////////////////
void BamToEgg::
convert_geom_node(GeomNode *node, ArcChain &chain, EggGroupNode *egg_parent) {
bool parent_has_decal = false;
if (egg_parent->is_of_type(EggGroup::get_class_type())) {
EggGroup *pg = DCAST(EggGroup, egg_parent);
parent_has_decal = pg->get_decal_flag();
}
PT(EggGroup) egg_group = new EggGroup(node->get_name());
bool fancy_transitions = apply_arc_properties(egg_group, chain);
if (fancy_transitions || parent_has_decal) {
// If we have any fancy transitions on the arc, or if we're making
// decal geometry, we have to make a special node to hold the
// geometry (normally it would just appear within its parent).
egg_parent->add_child(egg_group.p());
egg_parent = egg_group;
}
// Get the state associated with this GeomNode.
GeomState state;
state.get_net_state(node, chain);
state.get_net_state(node, chain, egg_parent);
// Now get out all the various kinds of geometry.
int num_geoms = node->get_num_geoms();
@ -433,7 +457,8 @@ convert_geom_tri(GeomTri *geom, BamToEgg::GeomState &state, EggGroupNode *egg_pa
EggPolygon *egg_poly = new EggPolygon;
egg_parent->add_child(egg_poly);
state.apply(egg_poly, _textures, _materials);
apply_texture(egg_poly, state._tex);
state.apply_prim(egg_poly);
for (int j = 0; j < 3; j++) {
// Get per-vertex properties.
@ -487,6 +512,196 @@ recurse_nodes(Node *node, ArcChain &chain, EggGroupNode *egg_parent) {
}
}
////////////////////////////////////////////////////////////////////
// Function: BamToEgg::apply_texture
// Access: Public
// Description: Applies the texture, if any, to the indicated
// EggPrimitive.
////////////////////////////////////////////////////////////////////
void BamToEgg::
apply_texture(EggPrimitive *egg_prim, Texture *tex) {
if (tex != (Texture *)NULL) {
if (tex->has_name()) {
Filename filename = SomethingToEggConverter::convert_path
(tex->get_name(), get_texture_path(), _make_rel_dir,
_texture_path_convert);
EggTexture temp("", filename);
if (tex->has_alpha_name()) {
Filename alpha = SomethingToEggConverter::convert_path
(tex->get_alpha_name(), get_texture_path(), _make_rel_dir,
_texture_path_convert);
temp.set_alpha_file(alpha);
}
switch (tex->get_minfilter()) {
case Texture::FT_nearest:
temp.set_minfilter(EggTexture::FT_nearest);
break;
case Texture::FT_linear:
temp.set_minfilter(EggTexture::FT_linear);
break;
case Texture::FT_nearest_mipmap_nearest:
temp.set_minfilter(EggTexture::FT_nearest_mipmap_nearest);
break;
case Texture::FT_linear_mipmap_nearest:
temp.set_minfilter(EggTexture::FT_linear_mipmap_nearest);
break;
case Texture::FT_nearest_mipmap_linear:
temp.set_minfilter(EggTexture::FT_nearest_mipmap_linear);
break;
case Texture::FT_linear_mipmap_linear:
temp.set_minfilter(EggTexture::FT_linear_mipmap_linear);
break;
}
switch (tex->get_magfilter()) {
case Texture::FT_nearest:
temp.set_magfilter(EggTexture::FT_nearest);
break;
case Texture::FT_linear:
temp.set_magfilter(EggTexture::FT_linear);
break;
default:
break;
}
switch (tex->get_wrapu()) {
case Texture::WM_clamp:
temp.set_wrap_u(EggTexture::WM_clamp);
break;
case Texture::WM_repeat:
temp.set_wrap_u(EggTexture::WM_repeat);
break;
}
switch (tex->get_wrapv()) {
case Texture::WM_clamp:
temp.set_wrap_v(EggTexture::WM_clamp);
break;
case Texture::WM_repeat:
temp.set_wrap_v(EggTexture::WM_repeat);
break;
}
PixelBuffer *pbuf = tex->get_ram_image();
if (pbuf != (PixelBuffer *)NULL) {
switch (pbuf->get_format()) {
case PixelBuffer::F_red:
temp.set_format(EggTexture::F_red);
break;
case PixelBuffer::F_green:
temp.set_format(EggTexture::F_green);
break;
case PixelBuffer::F_blue:
temp.set_format(EggTexture::F_blue);
break;
case PixelBuffer::F_alpha:
temp.set_format(EggTexture::F_alpha);
break;
case PixelBuffer::F_rgb:
temp.set_format(EggTexture::F_rgb);
break;
case PixelBuffer::F_rgb5:
temp.set_format(EggTexture::F_rgb5);
break;
case PixelBuffer::F_rgb8:
temp.set_format(EggTexture::F_rgb8);
break;
case PixelBuffer::F_rgb12:
temp.set_format(EggTexture::F_rgb12);
break;
case PixelBuffer::F_rgb332:
temp.set_format(EggTexture::F_rgb332);
break;
case PixelBuffer::F_rgba:
temp.set_format(EggTexture::F_rgba);
break;
case PixelBuffer::F_rgbm:
temp.set_format(EggTexture::F_rgbm);
break;
case PixelBuffer::F_rgba4:
temp.set_format(EggTexture::F_rgba4);
break;
case PixelBuffer::F_rgba5:
temp.set_format(EggTexture::F_rgba5);
break;
case PixelBuffer::F_rgba8:
temp.set_format(EggTexture::F_rgba8);
break;
case PixelBuffer::F_rgba12:
temp.set_format(EggTexture::F_rgba12);
break;
case PixelBuffer::F_luminance:
temp.set_format(EggTexture::F_luminance);
break;
case PixelBuffer::F_luminance_alpha:
temp.set_format(EggTexture::F_luminance_alpha);
break;
case PixelBuffer::F_luminance_alphamask:
temp.set_format(EggTexture::F_luminance_alphamask);
break;
default:
break;
}
}
EggTexture *egg_tex =
_textures.create_unique_texture(temp, ~EggTexture::E_tref_name);
egg_prim->set_texture(egg_tex);
}
}
}
////////////////////////////////////////////////////////////////////
// Function: BamToEgg::apply_arc_properties
// Access: Public
// Description: Applies any special properties that might be stored
// on the arc, like billboarding. Returns true if any
// were applied, false otherwise.
////////////////////////////////////////////////////////////////////
bool BamToEgg::
apply_arc_properties(EggGroup *egg_group, ArcChain &chain) {
if (!chain.has_arcs()) {
return false;
}
NodeRelation *arc = chain.back();
bool any_applied = false;
BillboardTransition *bt;
if (get_transition_into(bt, arc)) {
if (bt->get_axial_rotate()) {
egg_group->set_billboard_type(EggGroup::BT_axis);
any_applied = true;
} else if (bt->get_eye_relative()) {
egg_group->set_billboard_type(EggGroup::BT_point_camera_relative);
any_applied = true;
} else {
egg_group->set_billboard_type(EggGroup::BT_point_world_relative);
any_applied = true;
}
}
const TransformTransition *tt;
if (get_transition_into(tt, arc)) {
LMatrix4f mat = tt->get_matrix();
egg_group->set_transform(LCAST(double, mat));
any_applied = true;
}
const DecalTransition *dt;
if (get_transition_into(dt, arc)) {
if (dt->is_on()) {
egg_group->set_decal_flag(true);
any_applied = true;
}
}
return true;
}
int main(int argc, char *argv[]) {
BamToEgg prog;

13
pandatool/src/bam/bamToEgg.h
View File

@ -34,6 +34,7 @@ class GeomTri;
class EggVertexPool;
class EggVertex;
class EggPrimitive;
class EggGroup;
class Texture;
////////////////////////////////////////////////////////////////////
@ -50,23 +51,22 @@ private:
class GeomState {
public:
GeomState();
void get_net_state(Node *node, ArcChain &chain);
void apply(EggPrimitive *egg_prim,
EggTextureCollection &textures,
EggMaterialCollection &materials);
void get_net_state(Node *node, ArcChain &chain, EggGroupNode *egg_parent);
void apply_vertex(EggVertex &egg_vert, const Vertexf &vertex);
void apply_normal(EggVertex &egg_vert, const Normalf &normal);
void apply_uv(EggVertex &egg_vert, const TexCoordf &uv);
void apply_color(EggVertex &egg_vert, const Colorf &color);
void apply_prim(EggPrimitive *egg_prim);
LMatrix4f _mat;
LMatrix4f _tex_mat;
LMatrix4f _color_mat;
float _alpha_scale;
float _alpha_offset;
Texture *_tex;
bool _bface;
};
void convert_node(Node *node, ArcChain &chain, EggGroupNode *egg_parent);
@ -76,6 +76,9 @@ private:
void recurse_nodes(Node *node, ArcChain &chain, EggGroupNode *egg_parent);
void apply_texture(EggPrimitive *egg_prim, Texture *tex);
bool apply_arc_properties(EggGroup *egg_group, ArcChain &chain);
EggVertexPool *_vpool;
EggTextureCollection _textures;
EggMaterialCollection _materials;

2
pandatool/src/converter/somethingToEggConverter.cxx
View File

@ -148,7 +148,7 @@ handle_external_reference(EggGroupNode *egg_parent,
////////////////////////////////////////////////////////////////////
// Function: SomethingToEggConverter::convert_path
// Access: Protected, Static
// Access: Public, Static
// Description: Converts the pathname reference by the source file as
// requested. This may either make it absolute,
// relative, or leave it alone.

1
pandatool/src/converter/somethingToEggConverter.h
View File

@ -83,7 +83,6 @@ public:
INLINE Filename convert_model_path(const Filename &orig_filename,
const DSearchPath &searchpath);
protected:
static Filename convert_path(const Filename &orig_filename,
const DSearchPath &searchpath,
const Filename &rel_dir,