275 lines
9.8 KiB
C
275 lines
9.8 KiB
C
|
/**
|
||
|
|
* 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 eggLoader.h
|
||
|
|
* @author drose
|
||
|
|
* @date 2002-02-26
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef EGGLOADER_H
|
||
|
|
#define EGGLOADER_H
|
||
|
|
|
||
|
|
#include "pandabase.h"
|
||
|
|
|
||
|
|
#include "deferredNodeProperty.h"
|
||
|
|
#include "eggData.h"
|
||
|
|
#include "eggTexture.h"
|
||
|
|
#include "pt_EggTexture.h"
|
||
|
|
#include "eggGroup.h"
|
||
|
|
#include "eggMaterial.h"
|
||
|
|
#include "pt_EggMaterial.h"
|
||
|
|
#include "eggVertexPool.h"
|
||
|
|
#include "texture.h"
|
||
|
|
#include "pandaNode.h"
|
||
|
|
#include "pointerTo.h"
|
||
|
|
#include "lmatrix.h"
|
||
|
|
#include "indirectCompareTo.h"
|
||
|
|
#include "textureAttrib.h"
|
||
|
|
#include "textureStage.h"
|
||
|
|
#include "texGenAttrib.h"
|
||
|
|
#include "colorBlendAttrib.h"
|
||
|
|
#include "eggTransform.h"
|
||
|
|
#include "geomVertexData.h"
|
||
|
|
#include "geomPrimitive.h"
|
||
|
|
#include "bamCacheRecord.h"
|
||
|
|
|
||
|
|
class EggNode;
|
||
|
|
class EggBin;
|
||
|
|
class EggTable;
|
||
|
|
class EggNurbsCurve;
|
||
|
|
class EggNurbsSurface;
|
||
|
|
class EggPrimitive;
|
||
|
|
class EggPolygon;
|
||
|
|
class EggMaterial;
|
||
|
|
class RenderRelation;
|
||
|
|
class CollisionSolid;
|
||
|
|
class CollisionNode;
|
||
|
|
class CollisionPlane;
|
||
|
|
class CollisionPolygon;
|
||
|
|
class PortalNode;
|
||
|
|
class OccluderNode;
|
||
|
|
class PolylightNode;
|
||
|
|
class EggRenderState;
|
||
|
|
class CharacterMaker;
|
||
|
|
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Converts an egg data structure, possibly read from an egg file but not
|
||
|
|
* necessarily, into a scene graph suitable for rendering.
|
||
|
|
*
|
||
|
|
* This class isn't exported from this package.
|
||
|
|
*/
|
||
|
|
class EXPCL_PANDA_EGG2PG EggLoader {
|
||
|
|
public:
|
||
|
|
EggLoader();
|
||
|
|
EggLoader(const EggData *data);
|
||
|
|
|
||
|
|
void build_graph();
|
||
|
|
void reparent_decals();
|
||
|
|
void start_sequences();
|
||
|
|
|
||
|
|
void make_polyset(EggBin *egg_bin, PandaNode *parent,
|
||
|
|
const LMatrix4d *transform, bool is_dynamic,
|
||
|
|
CharacterMaker *character_maker);
|
||
|
|
|
||
|
|
CPT(TransformState) make_transform(const EggTransform *egg_transform);
|
||
|
|
|
||
|
|
private:
|
||
|
|
class TextureDef {
|
||
|
|
public:
|
||
|
|
CPT(RenderAttrib) _texture;
|
||
|
|
PT(TextureStage) _stage;
|
||
|
|
const EggTexture *_egg_tex;
|
||
|
|
};
|
||
|
|
|
||
|
|
// This structure is used internally in setup_bucket().
|
||
|
|
typedef pvector<const TextureDef *> TexMatTextures;
|
||
|
|
typedef pmap<LMatrix3d, TexMatTextures> TexMatTransforms;
|
||
|
|
typedef pmap<CPT(InternalName), TexMatTransforms> TexMats;
|
||
|
|
|
||
|
|
// This structure is returned by setup_bucket().
|
||
|
|
typedef pmap<CPT(InternalName), const EggTexture *> BakeInUVs;
|
||
|
|
|
||
|
|
// This is used by make_primitive().
|
||
|
|
class PrimitiveUnifier {
|
||
|
|
public:
|
||
|
|
INLINE PrimitiveUnifier(const GeomPrimitive *prim);
|
||
|
|
INLINE bool operator < (const PrimitiveUnifier &other) const;
|
||
|
|
|
||
|
|
TypeHandle _type;
|
||
|
|
GeomPrimitive::ShadeModel _shade_model;
|
||
|
|
};
|
||
|
|
typedef pmap<PrimitiveUnifier, PT(GeomPrimitive) > UniquePrimitives;
|
||
|
|
typedef pvector< PT(GeomPrimitive) > Primitives;
|
||
|
|
|
||
|
|
void show_normals(EggVertexPool *vertex_pool, GeomNode *geom_node);
|
||
|
|
|
||
|
|
void make_nurbs_curve(EggNurbsCurve *egg_curve, PandaNode *parent,
|
||
|
|
const LMatrix4d &mat);
|
||
|
|
void make_old_nurbs_curve(EggNurbsCurve *egg_curve, PandaNode *parent,
|
||
|
|
const LMatrix4d &mat);
|
||
|
|
void make_nurbs_surface(EggNurbsSurface *egg_surface, PandaNode *parent,
|
||
|
|
const LMatrix4d &mat);
|
||
|
|
|
||
|
|
void load_textures();
|
||
|
|
bool load_texture(TextureDef &def, EggTexture *egg_tex);
|
||
|
|
void apply_texture_attributes(Texture *tex, const EggTexture *egg_tex);
|
||
|
|
Texture::CompressionMode convert_compression_mode(EggTexture::CompressionMode compression_mode) const;
|
||
|
|
SamplerState::WrapMode convert_wrap_mode(EggTexture::WrapMode wrap_mode) const;
|
||
|
|
PT(TextureStage) make_texture_stage(const EggTexture *egg_tex);
|
||
|
|
|
||
|
|
void separate_switches(EggNode *egg_node);
|
||
|
|
void emulate_bface(EggNode *egg_node);
|
||
|
|
|
||
|
|
PandaNode *make_node(EggNode *egg_node, PandaNode *parent);
|
||
|
|
PandaNode *make_node(EggBin *egg_bin, PandaNode *parent);
|
||
|
|
PandaNode *make_polyset(EggBin *egg_bin, PandaNode *parent);
|
||
|
|
PandaNode *make_lod(EggBin *egg_bin, PandaNode *parent);
|
||
|
|
PandaNode *make_node(EggGroup *egg_group, PandaNode *parent);
|
||
|
|
PandaNode *create_group_arc(EggGroup *egg_group, PandaNode *parent,
|
||
|
|
PandaNode *node);
|
||
|
|
PandaNode *make_node(EggTable *egg_table, PandaNode *parent);
|
||
|
|
PandaNode *make_node(EggGroupNode *egg_group, PandaNode *parent);
|
||
|
|
|
||
|
|
void check_for_polysets(EggGroup *egg_group, bool &all_polysets,
|
||
|
|
bool &any_hidden);
|
||
|
|
PT(GeomVertexData) make_vertex_data
|
||
|
|
(const EggRenderState *render_state, EggVertexPool *vertex_pool,
|
||
|
|
EggNode *primitive_home, const LMatrix4d &transform, TransformBlendTable *blend_table,
|
||
|
|
bool is_dynamic, CharacterMaker *character_maker, bool ignore_color);
|
||
|
|
PT(TransformBlendTable) make_blend_table
|
||
|
|
(EggVertexPool *vertex_bool, EggNode *primitive_home,
|
||
|
|
CharacterMaker *character_maker);
|
||
|
|
void record_morph
|
||
|
|
(GeomVertexArrayFormat *array_format,
|
||
|
|
CharacterMaker *character_maker, const std::string &morph_name,
|
||
|
|
InternalName *column_name, int num_components);
|
||
|
|
|
||
|
|
void make_primitive(const EggRenderState *render_state,
|
||
|
|
EggPrimitive *egg_prim,
|
||
|
|
UniquePrimitives &unique_primitives,
|
||
|
|
Primitives &primitives,
|
||
|
|
bool has_overall_color, const LColor &overall_color);
|
||
|
|
|
||
|
|
void set_portal_polygon(EggGroup *egg_group, PortalNode *pnode);
|
||
|
|
void set_occluder_polygon(EggGroup *egg_group, OccluderNode *pnode);
|
||
|
|
PT(EggPolygon) find_first_polygon(EggGroup *egg_group);
|
||
|
|
|
||
|
|
bool make_sphere(EggGroup *start_group, EggGroup::CollideFlags flags,
|
||
|
|
LPoint3 ¢er, PN_stdfloat &radius, LColor &color);
|
||
|
|
|
||
|
|
bool make_box(EggGroup *start_group, EggGroup::CollideFlags flags,
|
||
|
|
const LMatrix4 &xform, LPoint3 &min_p, LPoint3 &max_p);
|
||
|
|
bool make_box(EggGroup *start_group, EggGroup::CollideFlags flags,
|
||
|
|
LPoint3 &min_p, LPoint3 &max_p, LColor &color);
|
||
|
|
|
||
|
|
void make_collision_solids(EggGroup *start_group, EggGroup *egg_group,
|
||
|
|
CollisionNode *cnode);
|
||
|
|
void make_collision_plane(EggGroup *egg_group, CollisionNode *cnode,
|
||
|
|
EggGroup::CollideFlags flags);
|
||
|
|
void make_collision_polygon(EggGroup *egg_group, CollisionNode *cnode,
|
||
|
|
EggGroup::CollideFlags flags);
|
||
|
|
void make_collision_polyset(EggGroup *egg_group, CollisionNode *cnode,
|
||
|
|
EggGroup::CollideFlags flags);
|
||
|
|
void make_collision_sphere(EggGroup *egg_group, CollisionNode *cnode,
|
||
|
|
EggGroup::CollideFlags flags);
|
||
|
|
void make_collision_box(EggGroup *egg_group, CollisionNode *cnode,
|
||
|
|
EggGroup::CollideFlags flags);
|
||
|
|
void make_collision_inv_sphere(EggGroup *egg_group, CollisionNode *cnode,
|
||
|
|
EggGroup::CollideFlags flags);
|
||
|
|
void make_collision_capsule(EggGroup *egg_group, CollisionNode *cnode,
|
||
|
|
EggGroup::CollideFlags flags);
|
||
|
|
void make_collision_floor_mesh(EggGroup *egg_group, CollisionNode *cnode,
|
||
|
|
EggGroup::CollideFlags flags);
|
||
|
|
void apply_collision_flags(CollisionSolid *solid,
|
||
|
|
EggGroup::CollideFlags flags);
|
||
|
|
EggGroup *find_collision_geometry(EggGroup *egg_group,
|
||
|
|
EggGroup::CollideFlags flags);
|
||
|
|
CollisionPlane *create_collision_plane(EggPolygon *egg_poly,
|
||
|
|
EggGroup *parent_group);
|
||
|
|
void create_collision_polygons(CollisionNode *cnode, EggPolygon *egg_poly,
|
||
|
|
EggGroup *parent_group,
|
||
|
|
EggGroup::CollideFlags flags);
|
||
|
|
|
||
|
|
void create_collision_floor_mesh(CollisionNode *cnode,
|
||
|
|
EggGroup *parent_group,
|
||
|
|
EggGroup::CollideFlags flags);
|
||
|
|
|
||
|
|
void apply_deferred_nodes(PandaNode *node, const DeferredNodeProperty &prop);
|
||
|
|
bool expand_all_object_types(EggNode *egg_node);
|
||
|
|
bool expand_object_types(EggGroup *egg_group, const pset<std::string> &expanded,
|
||
|
|
const pvector<std::string> &expanded_history);
|
||
|
|
bool do_expand_object_type(EggGroup *egg_group, const pset<std::string> &expanded,
|
||
|
|
const pvector<std::string> &expanded_history,
|
||
|
|
const std::string &object_type);
|
||
|
|
|
||
|
|
static TextureStage::CombineMode
|
||
|
|
get_combine_mode(const EggTexture *egg_tex,
|
||
|
|
EggTexture::CombineChannel channel);
|
||
|
|
|
||
|
|
static TextureStage::CombineSource
|
||
|
|
get_combine_source(const EggTexture *egg_tex,
|
||
|
|
EggTexture::CombineChannel channel, int n);
|
||
|
|
|
||
|
|
static TextureStage::CombineOperand
|
||
|
|
get_combine_operand(const EggTexture *egg_tex,
|
||
|
|
EggTexture::CombineChannel channel, int n);
|
||
|
|
|
||
|
|
static ColorBlendAttrib::Mode
|
||
|
|
get_color_blend_mode(EggGroup::BlendMode mode);
|
||
|
|
|
||
|
|
static ColorBlendAttrib::Operand
|
||
|
|
get_color_blend_operand(EggGroup::BlendOperand operand);
|
||
|
|
|
||
|
|
typedef pmap<PT_EggTexture, TextureDef> Textures;
|
||
|
|
Textures _textures;
|
||
|
|
|
||
|
|
typedef pmap<CPT_EggMaterial, CPT(RenderAttrib) > Materials;
|
||
|
|
Materials _materials;
|
||
|
|
Materials _materials_bface;
|
||
|
|
|
||
|
|
typedef pmap<PT(EggGroup), PT(PandaNode) > Groups;
|
||
|
|
Groups _groups;
|
||
|
|
|
||
|
|
typedef pset<PandaNode *> ExtraNodes;
|
||
|
|
ExtraNodes _decals;
|
||
|
|
ExtraNodes _sequences;
|
||
|
|
|
||
|
|
class VertexPoolTransform {
|
||
|
|
public:
|
||
|
|
bool operator < (const VertexPoolTransform &other) const;
|
||
|
|
PT(EggVertexPool) _vertex_pool;
|
||
|
|
BakeInUVs _bake_in_uvs;
|
||
|
|
LMatrix4d _transform;
|
||
|
|
};
|
||
|
|
typedef pmap<VertexPoolTransform, PT(GeomVertexData) > VertexPoolData;
|
||
|
|
VertexPoolData _vertex_pool_data;
|
||
|
|
|
||
|
|
typedef pmap<LMatrix4, CPT(TransformState) > TransformStates;
|
||
|
|
TransformStates _transform_states;
|
||
|
|
|
||
|
|
DeferredNodes _deferred_nodes;
|
||
|
|
|
||
|
|
public:
|
||
|
|
PT(PandaNode) _root;
|
||
|
|
PT(EggData) _data;
|
||
|
|
PT(BamCacheRecord) _record;
|
||
|
|
bool _error;
|
||
|
|
|
||
|
|
CharacterMaker * _dynamic_override_char_maker;
|
||
|
|
bool _dynamic_override;
|
||
|
|
|
||
|
|
|
||
|
|
friend class EggRenderState;
|
||
|
|
friend class PandaNode;
|
||
|
|
};
|
||
|
|
|
||
|
|
#include "eggLoader.I"
|
||
|
|
|
||
|
|
#endif
|