150 lines
5.0 KiB
C++
150 lines
5.0 KiB
C++
// Filename: eggLoader.h
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// Created by: drose (26Feb02)
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//
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////////////////////////////////////////////////////////////////////
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//
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// PANDA 3D SOFTWARE
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// Copyright (c) 2001, Disney Enterprises, Inc. All rights reserved
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//
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// All use of this software is subject to the terms of the Panda 3d
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// Software license. You should have received a copy of this license
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// along with this source code; you will also find a current copy of
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// the license at http://www.panda3d.org/license.txt .
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//
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// To contact the maintainers of this program write to
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// panda3d@yahoogroups.com .
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//
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////////////////////////////////////////////////////////////////////
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#ifndef EGGLOADER_H
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#define EGGLOADER_H
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#include "pandabase.h"
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#include "deferredNodeProperty.h"
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#include "eggData.h"
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#include "eggTexture.h"
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#include "pt_EggTexture.h"
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#include "eggGroup.h"
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#include "eggMaterial.h"
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#include "pt_EggMaterial.h"
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#include "texture.h"
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#include "pandaNode.h"
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#include "pointerTo.h"
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#include "builder.h"
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#include "lmatrix.h"
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#include "indirectCompareTo.h"
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#include "textureAttrib.h"
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#include "eggTransform3d.h"
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class EggNode;
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class EggBin;
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class EggTable;
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class EggNurbsCurve;
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class EggPrimitive;
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class EggPolygon;
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class EggMaterial;
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class ComputedVerticesMaker;
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class RenderRelation;
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class CollisionSolid;
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class CollisionNode;
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class CollisionPlane;
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class CollisionPolygon;
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///////////////////////////////////////////////////////////////////
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// Class : EggLoader
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// Description : Converts an egg data structure, possibly read from an
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// egg file but not necessarily, into a scene graph
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// suitable for rendering.
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//
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// This class isn't exported from this package.
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////////////////////////////////////////////////////////////////////
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class EggLoader {
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public:
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EggLoader();
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EggLoader(const EggData &data);
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void build_graph();
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void reparent_decals();
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void make_nonindexed_primitive(EggPrimitive *egg_prim, PandaNode *parent,
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const LMatrix4d *transform = NULL);
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void make_indexed_primitive(EggPrimitive *egg_prim, PandaNode *parent,
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const LMatrix4d *transform,
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ComputedVerticesMaker &_comp_verts_maker);
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private:
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class TextureDef {
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public:
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CPT(RenderAttrib) _texture;
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CPT(RenderAttrib) _apply;
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};
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void load_textures();
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bool load_texture(TextureDef &def, const EggTexture *egg_tex);
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void apply_texture_attributes(Texture *tex, const EggTexture *egg_tex);
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CPT(RenderAttrib) get_texture_apply_attributes(const EggTexture *egg_tex);
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CPT(RenderAttrib) get_material_attrib(const EggMaterial *egg_mat,
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bool bface);
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void setup_bucket(BuilderBucket &bucket, PandaNode *parent,
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EggPrimitive *egg_prim);
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PandaNode *make_node(EggNode *egg_node, PandaNode *parent);
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PandaNode *make_node(EggNurbsCurve *egg_curve, PandaNode *parent);
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PandaNode *make_node(EggPrimitive *egg_prim, PandaNode *parent);
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PandaNode *make_node(EggBin *egg_bin, PandaNode *parent);
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PandaNode *make_node(EggGroup *egg_group, PandaNode *parent);
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PandaNode *create_group_arc(EggGroup *egg_group, PandaNode *parent,
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PandaNode *node);
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PandaNode *make_node(EggTable *egg_table, PandaNode *parent);
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PandaNode *make_node(EggGroupNode *egg_group, PandaNode *parent);
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void make_collision_solids(EggGroup *start_group, EggGroup *egg_group,
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CollisionNode *cnode);
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void make_collision_plane(EggGroup *egg_group, CollisionNode *cnode,
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EggGroup::CollideFlags flags);
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void make_collision_polygon(EggGroup *egg_group, CollisionNode *cnode,
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EggGroup::CollideFlags flags);
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void make_collision_polyset(EggGroup *egg_group, CollisionNode *cnode,
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EggGroup::CollideFlags flags);
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void make_collision_sphere(EggGroup *egg_group, CollisionNode *cnode,
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EggGroup::CollideFlags flags);
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void apply_collision_flags(CollisionSolid *solid,
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EggGroup::CollideFlags flags);
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EggGroup *find_collision_geometry(EggGroup *egg_group);
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CollisionPlane *create_collision_plane(EggPolygon *egg_poly,
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EggGroup *parent_group);
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void create_collision_polygons(CollisionNode *cnode, EggPolygon *egg_poly,
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EggGroup *parent_group,
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EggGroup::CollideFlags flags);
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void apply_deferred_nodes(PandaNode *node, const DeferredNodeProperty &prop);
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CPT(TransformState) make_transform(const EggTransform3d *egg_transform);
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Builder _builder;
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typedef pmap<PT_EggTexture, TextureDef> Textures;
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Textures _textures;
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typedef pmap<CPT_EggMaterial, CPT(RenderAttrib) > Materials;
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Materials _materials;
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Materials _materials_bface;
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typedef pset<PandaNode *> Decals;
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Decals _decals;
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DeferredNodes _deferred_nodes;
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public:
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PT(PandaNode) _root;
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EggData _data;
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bool _error;
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};
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#endif
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