| 1 | // Copyright (C) 2015-2015 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 | #include "nv/engine/mesh_manager.hh"
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| 8 | #include "nv/formats/nmd_loader.hh"
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| 9 | #include "nv/io/c_file_system.hh"
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| 10 |
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| 11 | using namespace nv;
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| 12 |
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| 13 | resource< gpu_mesh > gpu_mesh_manager::create_resource( resource< data_channel_set > mesh )
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| 14 | {
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| 15 | if ( auto lmesh = mesh.lock() )
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| 16 | {
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| 17 | gpu_mesh* gm = new gpu_mesh;
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| 18 | gm->va = m_context->create_vertex_array( &*lmesh, STATIC_DRAW );
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| 19 | gm->count = lmesh->get_channel_size( slot::INDEX );
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| 20 | gm->shader = lmesh->get_channel( slot::BONEINDEX ) != nullptr ? BONE : NORMAL;
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| 21 | return add( mesh.id(), gm );
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| 22 | }
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| 23 | return resource< gpu_mesh >();
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| 24 | }
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| 25 |
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| 26 | void gpu_mesh_manager::release( gpu_mesh* m )
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| 27 | {
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| 28 | m_context->release( m->va );
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| 29 | }
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| 30 |
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| 31 | nv::resource< nv::data_channel_set > nv::mesh_data_manager::get_path( const string_view& path, resource< mesh_data > default /*= resource< mesh_data >()*/, data_node_info* info /*= nullptr */ )
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| 32 | {
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| 33 | nv::resource< nv::mesh_data > mr = default;
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| 34 |
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| 35 | nv::string_view sub_mesh_name;
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| 36 | nv::string128 base_mesh_name( path );
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| 37 | nv::size_t sub_mesh_pos = path.find( ":" );
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| 38 | nv::size_t dot_pos = path.find( "." );
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| 39 | if ( sub_mesh_pos != nv::string_view::npos )
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| 40 | {
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| 41 | sub_mesh_name = path.substr( sub_mesh_pos + 1 );
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| 42 | base_mesh_name.assign( path.substr( 0, sub_mesh_pos ) );
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| 43 | NV_LOG_INFO( "Requested submesh - [", sub_mesh_name, "] in [", base_mesh_name, "]" );
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| 44 | }
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| 45 |
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| 46 | if ( dot_pos != nv::string_view::npos )
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| 47 | {
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| 48 | mr = get( base_mesh_name );
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| 49 | }
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| 50 | else
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| 51 | {
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| 52 | sub_mesh_name = base_mesh_name;
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| 53 | }
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| 54 |
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| 55 | if ( !mr )
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| 56 | {
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| 57 | NV_LOG_ERROR( "MESH FILE NOT FOUND - ", path );
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| 58 | NV_ASSERT( false, "MESH FILE NOT FOUND!" );
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| 59 | return nv::resource< nv::data_channel_set >();
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| 60 | }
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| 61 |
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| 62 | if ( auto mdata = mr.lock() )
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| 63 | {
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| 64 | sint32 index = -1;
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| 65 | if ( sub_mesh_name.empty() )
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| 66 | {
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| 67 | index = 0;
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| 68 | }
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| 69 | else if ( sub_mesh_name[0] >= '0' && sub_mesh_name[0] <= '9' )
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| 70 | {
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| 71 | index = nv::buffer_to_uint32( sub_mesh_name.data(), nullptr );
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| 72 | }
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| 73 | else
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| 74 | {
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| 75 | auto itr = mdata->names.find( sub_mesh_name );
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| 76 | if ( itr != mdata->names.end() )
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| 77 | index = itr->second;
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| 78 | }
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| 79 | if ( index >= 0 )
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| 80 | {
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| 81 | if ( info )
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| 82 | *info = mdata->infos[index];
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| 83 | return mdata->meshes[index];
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| 84 | }
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| 85 |
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| 86 | NV_LOG_ERROR( "Resource path fail! - ", path );
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| 87 | NV_ASSERT( false, "Resource path fail!" );
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| 88 | }
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| 89 | else
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| 90 | {
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| 91 | NV_LOG_ERROR( "Resource lock fail! - ", path );
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| 92 | NV_ASSERT( false, "Resource lock fail!" );
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| 93 | }
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| 94 | return nv::resource< nv::data_channel_set >();
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| 95 | }
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| 96 |
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| 97 | bool nv::mesh_data_manager::load_resource( const string_view& id )
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| 98 | {
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| 99 | nmd_loader* loader = nullptr;
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| 100 | c_file_system fs;
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| 101 | stream* mesh_file = open_stream( fs, id );
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| 102 | if ( !mesh_file ) return false;
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| 103 |
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| 104 | loader = new nmd_loader( m_strings );
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| 105 | loader->load( *mesh_file );
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| 106 | delete mesh_file;
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| 107 |
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| 108 | mesh_data* result = new mesh_data;
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| 109 | result->node_data = loader->release_data_node_list();
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| 110 | if ( result->node_data )
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| 111 | {
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| 112 | data_node_list* nd = result->node_data;
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| 113 | for ( uint32 i = 0; i < nd->size(); ++i )
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| 114 | result->node_names[(*nd)[i].name] = i;
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| 115 | }
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| 116 | for ( uint32 i = 0; i < loader->get_mesh_count(); ++i )
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| 117 | {
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| 118 | data_node_info info;
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| 119 | data_channel_set* data = loader->release_mesh_data( i, info );
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| 120 | result->infos.push_back( info );
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| 121 | result->names[ info.name ] = i;
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| 122 | auto mesh = m_mesh_manager->add( shash64( id.get_hash() + i ), data );
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| 123 | result->meshes.push_back( mesh );
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| 124 | }
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| 125 | delete loader;
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| 126 | if ( result )
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| 127 | add( id, result );
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| 128 | return result != nullptr;
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| 129 | }
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