| 1 | // Copyright (C) 2016-2016 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/animation.hh"
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| 8 |
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| 9 | #include "nv/stl/range.hh"
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| 10 | #include "nv/lua/lua_nova.hh"
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| 11 | #include "nv/io/c_file_system.hh"
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| 12 | #include "nv/formats/nmd_loader.hh"
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| 13 |
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| 14 | using namespace nv;
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| 15 |
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| 16 | nv::resource< animator_data > nv::animator_manager::load_animator( const nv::string_view& id, nv::pose_data_set* poses )
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| 17 | {
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| 18 | lua::table_guard table( m_lua, lua::path( "animators", id ) );
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| 19 | return load_animator( table, id, poses );
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| 20 | }
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| 21 |
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| 22 | bool nv::animator_manager::load_resource( nv::lua::table_guard& table, nv::shash64 id )
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| 23 | {
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| 24 | return load_animator( table, id, nullptr ).is_valid();
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| 25 | }
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| 26 |
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| 27 | nv::resource< animator_data > nv::animator_manager::load_animator( nv::lua::table_guard& table, nv::shash64 id, nv::pose_data_set* poses /*= nullptr */ )
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| 28 | {
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| 29 | uint32 count = table.get_size();
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| 30 | if ( count == 0 )
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| 31 | {
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| 32 | return nv::resource< animator_data >();
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| 33 | }
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| 34 |
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| 35 | nv::animator_data* animator = new nv::animator_data;
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| 36 | animator->poses = poses;
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| 37 | if ( poses == nullptr )
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| 38 | {
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| 39 | string128 poses_path = table.get_string128( "poses" );
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| 40 | if ( !poses_path.empty() )
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| 41 | {
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| 42 | nv::c_file_system fs;
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| 43 | nv::stream* poses_file = open_stream( fs, poses_path );
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| 44 | NV_ASSERT_ALWAYS( poses_file, "CANT FIND POSES FILE!" );
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| 45 | nv::nmd_loader* ploader = new nv::nmd_loader( nullptr );
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| 46 | ploader->load( *poses_file );
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| 47 | delete poses_file;
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| 48 |
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| 49 | animator->poses = ploader->release_pose_data_set();
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| 50 | NV_ASSERT( animator->poses, "NO POSES LOADED?" );
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| 51 | }
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| 52 | }
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| 53 |
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| 54 | animator->layers.resize( count );
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| 55 | for ( auto layer_idx : nv::range( 1u, count ) )
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| 56 | {
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| 57 | nv::hash_store< shash64, uint32 > state_names;
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| 58 | nv::lua::table_guard layer_table( table, layer_idx );
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| 59 | nv::animator_layer_data& layer = animator->layers[layer_idx - 1];
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| 60 | layer.name = layer_table.get_string( "name", m_strings, 0 );
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| 61 | layer.mask = layer_table.get_integer( "mask", -1 );
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| 62 | layer.def_state = -1;
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| 63 |
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| 64 | if ( layer.mask >= 0 )
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| 65 | {
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| 66 | const auto& tree = animator->poses->get_tree();
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| 67 | layer.mask_vector.resize( tree.size(), false );
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| 68 | fill_mask_vector_rec( layer.mask_vector, tree, uint32( layer.mask ) );
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| 69 | }
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| 70 |
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| 71 | if ( layer_table.is_table( "states" ) )
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| 72 | {
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| 73 | nv::lua::table_guard states_table( layer_table, "states" );
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| 74 | uint32 state_count = states_table.get_size();
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| 75 | if ( state_count > 0 )
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| 76 | {
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| 77 | layer.states.resize( state_count );
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| 78 |
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| 79 | // Two passes for transition name resolution
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| 80 | for ( auto state_idx : nv::range( 1u, state_count ) )
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| 81 | {
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| 82 | nv::lua::table_guard state_table( states_table, state_idx );
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| 83 | nv::animator_state_data& state = layer.states[state_idx - 1];
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| 84 |
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| 85 | state.name = state_table.get_string( "name", m_strings, 0 );
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| 86 | NV_ASSERT( state.name, "Animation state without name is invalid!" );
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| 87 | state_names[state.name] = state_idx - 1;
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| 88 | state.loop = state_table.get_boolean( "loop", true );
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| 89 | state.duration = state_table.get_float( "duration", 0.0f );
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| 90 | state.interp = nv::interpolation( state_table.get_unsigned( "interpolation", uint32( nv::interpolation::SPHERICAL ) ) );
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| 91 |
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| 92 | shash64 pose_set = state_table.get_string_hash_64( "pose_set" );
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| 93 | if ( pose_set )
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| 94 | {
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| 95 | auto it = animator->poses->m_sets.find( pose_set );
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| 96 | NV_ASSERT( it->second.name, "POSE NOT FOUND" );
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| 97 | uint32 pid = it->second.start;
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| 98 | uint32 pose_count = it->second.count;
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| 99 | uint32 start = state_table.get_unsigned( "start", 0 );
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| 100 | uint32 stop = state_table.get_unsigned( "stop", pose_count - 1 );
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| 101 | for ( nv::uint32 i = pid + start; i < pid + stop + 1; ++i )
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| 102 | {
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| 103 | state.poses.push_back( nv::animator_pose_data{ i/*, 0.0f*/ } );
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| 104 | }
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| 105 |
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| 106 | NV_ASSERT( state.poses.size() > 0, "POSES EMPTY!" );
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| 107 | state.base_pose = state.poses[0].pose;
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| 108 | }
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| 109 | }
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| 110 |
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| 111 | // Second pass for transitions only
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| 112 | for ( auto state_idx : nv::range( 1u, state_count ) )
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| 113 | {
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| 114 | nv::animator_state_data& state = layer.states[state_idx - 1];
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| 115 | nv::lua::table_guard state_table( states_table, state_idx );
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| 116 |
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| 117 | if ( state_table.is_table( "transitions" ) )
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| 118 | {
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| 119 | nv::lua::table_guard transitions_table( state_table, "transitions" );
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| 120 | uint32 transition_count = transitions_table.get_size();
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| 121 | if ( transition_count > 0 )
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| 122 | {
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| 123 | for ( auto transition_idx : nv::range( 1u, transition_count ) )
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| 124 | {
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| 125 | nv::lua::table_guard transition_table( transitions_table, transition_idx );
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| 126 | shash64 name = transition_table.get_string( "name", m_strings, 0 );
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| 127 | shash64 target_name = transition_table.get_string_hash_64( "target", 0 );
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| 128 | NV_ASSERT( name, "Transition state without name is invalid!" );
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| 129 | NV_ASSERT( target_name, "Transition state without name is invalid!" );
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| 130 | auto it = state_names.find( target_name );
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| 131 | NV_ASSERT( it != state_names.end(), "Transition target NOT FOUND!" );
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| 132 |
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| 133 | nv::animator_transition_data tr_data;
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| 134 | tr_data.target = it->second;
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| 135 | tr_data.duration = transition_table.get_float( "duration", 0.0f );
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| 136 | tr_data.interp = nv::interpolation( transition_table.get_unsigned( "interpolation", uint32( nv::interpolation::SPHERICAL ) ) );
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| 137 | tr_data.easing = read_easing( transition_table );
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| 138 |
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| 139 | state.transitions[name] = tr_data;
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| 140 | }
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| 141 | }
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| 142 | }
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| 143 | }
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| 144 | }
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| 145 | }
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| 146 |
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| 147 |
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| 148 |
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| 149 |
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| 150 | shash64 def_state_name = layer_table.get_string_hash_64( "default", 0 );
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| 151 | if ( def_state_name )
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| 152 | {
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| 153 | auto dsi = state_names.find( def_state_name );
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| 154 | NV_ASSERT( dsi != state_names.end(), "Unknown default!" );
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| 155 | layer.def_state = sint32( dsi->second );
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| 156 | }
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| 157 | }
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| 158 |
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| 159 | return add( id, animator );
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| 160 | }
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| 161 |
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| 162 | nv::easing animator_manager::read_easing( nv::lua::table_guard& table )
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| 163 | {
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| 164 | nv::easing result;
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| 165 | result.in = nv::easing_type( table.get_integer( "easing", int( nv::easing_type::NONE ) ) );
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| 166 | result.in = nv::easing_type( table.get_integer( "ease_in", int( result.in ) ) );
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| 167 | result.out = nv::easing_type( table.get_integer( "ease_out", int( nv::easing_type::NONE ) ) );
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| 168 | if ( table.has_field( "ease_in_out" ) )
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| 169 | {
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| 170 | result.in = result.out = nv::easing_type( table.get_integer( "ease_in_out", int( nv::easing_type::NONE ) ) );
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| 171 | }
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| 172 | if ( result.in == nv::easing_type::NONE && result.out == nv::easing_type::NONE )
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| 173 | {
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| 174 | result.in = nv::easing_type::LINEAR;
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| 175 | result.out = nv::easing_type::NONE;
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| 176 | }
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| 177 | else
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| 178 | {
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| 179 | return result;
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| 180 | }
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| 181 | return result;
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| 182 | }
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| 183 |
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| 184 | nv::resource< nv::animator_data > animator_manager::create_animator( const nv::string_view& id, nv::pose_data_set* poses )
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| 185 | {
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| 186 | animator_data* data = new animator_data;
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| 187 | data->poses = poses;
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| 188 | return add( id, data );
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| 189 | }
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