| 1 | // Copyright (C) 2011-2015 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/gfx/skeletal_mesh.hh"
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| 8 |
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| 9 | #include "nv/interface/context.hh"
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| 10 | #include "nv/interface/device.hh"
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| 11 | #include "nv/stl/unordered_map.hh"
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| 12 |
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| 13 | #include "nv/core/logging.hh"
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| 14 |
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| 15 | void nv::skeletal_animation_entry::update_skeleton( skeleton_instance& data, uint32 a_ms_time ) const
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| 16 | {
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| 17 | float fframe = ( a_ms_time * 0.001f ) * m_fps;
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| 18 | uint32 frame = uint32( math::floor( fframe ) );
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| 19 | float reminder = fframe - static_cast<float>( frame );
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| 20 | uint32 duration = get_frame_count();
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| 21 | if ( duration == 0 )
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| 22 | {
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| 23 | frame = get_start_frame();
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| 24 | fframe = static_cast<float>( frame );
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| 25 | }
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| 26 | else if ( frame >= duration )
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| 27 | {
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| 28 | if ( is_looping() )
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| 29 | {
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| 30 | frame = frame % duration;
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| 31 | fframe = static_cast<float>( frame ) + reminder;
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| 32 | }
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| 33 | else
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| 34 | {
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| 35 | frame = get_end_frame();
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| 36 | fframe = static_cast<float>( frame );
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| 37 | }
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| 38 | }
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| 39 |
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| 40 | if ( data.size() == 0 )
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| 41 | data.initialize( m_temp_anim->size() );
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| 42 | data.animate( m_temp_anim, m_data, fframe );
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| 43 | }
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| 44 |
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| 45 | void nv::skeletal_animation_entry::prepare( const mesh_nodes_data* bones )
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| 46 | {
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| 47 | m_data.prepare( m_temp_anim, bones ? bones : m_temp_anim );
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| 48 | }
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| 49 |
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| 50 | nv::skeletal_mesh::skeletal_mesh( context* a_context, const data_channel_set* a_mesh, const mesh_nodes_data* a_bone_data )
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| 51 | : m_skeleton( a_bone_data ? a_bone_data->size() : 0 ), m_context( a_context ), m_bone_data( a_bone_data ), m_index_count( 0 ), m_parent_id(-1)
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| 52 | {
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| 53 | if ( a_mesh )
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| 54 | {
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| 55 | m_va = a_context->create_vertex_array( a_mesh, nv::STATIC_DRAW );
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| 56 | m_index_count = a_mesh->get_channel_size( slot::INDEX );
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| 57 | m_parent_id = a_mesh->get_parent_id();
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| 58 | }
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| 59 | }
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| 60 |
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| 61 | void nv::skeletal_mesh::update_animation( animation_entry& a_anim, uint32 a_anim_time )
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| 62 | {
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| 63 | skeletal_animation_entry& anim = static_cast<skeletal_animation_entry&>( a_anim );
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| 64 | anim.prepare( m_bone_data );
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| 65 | anim.update_skeleton( m_skeleton, a_anim_time );
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| 66 | }
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| 67 |
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| 68 | void nv::skeletal_mesh::update_program( program a_program )
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| 69 | {
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| 70 | m_context->get_device()->set_opt_uniform_array( a_program, "nv_m_bones", m_skeleton.transforms(), m_skeleton.size() );
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| 71 | }
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| 72 |
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| 73 | nv::transform nv::skeletal_mesh::get_node_transform( uint32 node_id ) const
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| 74 | {
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| 75 | return transform( get_node_matrix( node_id ) );
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| 76 | }
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| 77 |
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| 78 | nv::mat4 nv::skeletal_mesh::get_node_matrix( uint32 node_id ) const
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| 79 | {
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| 80 | return m_skeleton.transforms()[ node_id ];
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| 81 | }
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