| 1 | // Copyright (C) 2012-2015 ChaosForge Ltd
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| 2 | // http://chaosforge.org/
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| 3 | //
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| 4 | // This file is part of Nova libraries.
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| 5 | // For conditions of distribution and use, see copying.txt file in root folder.
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| 6 |
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| 7 | /**
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| 8 | * @file md5_loader.hh
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| 9 | * @author Kornel Kisielewicz
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| 10 | * @brief md5 loader
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| 11 | */
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| 12 |
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| 13 | #ifndef NV_FORMATS_MD5_LOADER_HH
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| 14 | #define NV_FORMATS_MD5_LOADER_HH
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| 15 |
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| 16 | #include <nv/common.hh>
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| 17 | #include <nv/stl/array.hh>
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| 18 | #include <nv/interface/mesh_loader.hh>
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| 19 |
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| 20 | namespace nv
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| 21 | {
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| 22 |
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| 23 | struct md5_vtx_pnt
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| 24 | {
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| 25 | vec3 position;
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| 26 | vec3 normal;
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| 27 | vec3 tangent;
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| 28 | };
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| 29 |
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| 30 | struct md5_key_t
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| 31 | {
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| 32 | transform tform;
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| 33 | };
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| 34 |
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| 35 | struct md5_vtx_t
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| 36 | {
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| 37 | vec2 texcoord;
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| 38 | };
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| 39 |
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| 40 | struct md5_vtx_pntiw
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| 41 | {
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| 42 | vec3 position;
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| 43 | vec3 normal;
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| 44 | vec3 tangent;
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| 45 | ivec4 boneindex;
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| 46 | vec4 boneweight;
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| 47 | };
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| 48 |
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| 49 | class md5_loader : public mesh_loader
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| 50 | {
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| 51 | public:
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| 52 | enum file_type { UNKNOWN, MESH, ANIMATION };
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| 53 |
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| 54 | explicit md5_loader( string_table* strings ) : mesh_loader( strings ), m_type( UNKNOWN ), m_nodes( nullptr ) {}
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| 55 | virtual ~md5_loader();
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| 56 | virtual bool load( stream& source );
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| 57 | virtual data_channel_set* release_mesh_data( size_t index = 0 );
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| 58 | virtual size_t get_nodes_data_count() const { return 1; }
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| 59 | virtual mesh_nodes_data* release_mesh_nodes_data( size_t = 0 );
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| 60 | virtual mesh_data_pack* release_mesh_data_pack();
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| 61 | virtual size_t get_mesh_count() const { return m_meshes.size(); }
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| 62 |
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| 63 | struct md5_weight
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| 64 | {
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| 65 | size_t joint_id;
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| 66 | float bias;
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| 67 | vec3 pos;
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| 68 | };
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| 69 |
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| 70 | protected:
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| 71 | struct md5_joint_info
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| 72 | {
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| 73 | int flags;
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| 74 | size_t start_index;
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| 75 | };
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| 76 |
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| 77 | struct md5_weight_info
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| 78 | {
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| 79 | size_t start_weight;
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| 80 | size_t weight_count;
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| 81 | };
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| 82 |
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| 83 | protected:
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| 84 | void reset();
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| 85 | void build_frame_skeleton( mesh_nodes_data* nodes, uint32 index, const array_view<md5_joint_info>& joint_info, const array_view<transform>& base_frames, const array_view<float>& frame_data );
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| 86 | bool prepare_mesh( mesh_nodes_data* nodes, uint32 vtx_count, data_channel_set* mdata, md5_weight* weights, md5_weight_info* weight_info );
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| 87 | protected:
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| 88 | file_type m_type;
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| 89 | uint32 m_md5_version;
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| 90 | mesh_nodes_data* m_nodes;
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| 91 | dynamic_array<data_channel_set*> m_meshes;
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| 92 | };
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| 93 |
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| 94 | }
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| 95 |
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| 96 | #endif // NV_FORMATS_MD5_LOADER_HH
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