103 lines
4.3 KiB
C++
103 lines
4.3 KiB
C++
#pragma once
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////////////////////////////////////////////////////////////////////////////////
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// The MIT License (MIT)
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//
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// Copyright (c) 2017 Nicholas Frechette & Animation Compression Library contributors
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in all
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// copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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// SOFTWARE.
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////////////////////////////////////////////////////////////////////////////////
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#include "acl/core/error.h"
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#include "acl/core/bitset.h"
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#include "acl/core/impl/compiler_utils.h"
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#include "acl/compression/impl/clip_context.h"
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#include <cstdint>
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ACL_IMPL_FILE_PRAGMA_PUSH
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namespace acl
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{
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namespace acl_impl
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{
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inline uint32_t write_default_track_bitset(const clip_context& clip, uint32_t* default_tracks_bitset, bitset_description bitset_desc, const uint32_t* output_bone_mapping, uint32_t num_output_bones)
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{
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ACL_ASSERT(default_tracks_bitset != nullptr, "'default_tracks_bitset' cannot be null!");
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// Only use the first segment, it contains the necessary information
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const SegmentContext& segment = clip.segments[0];
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uint32_t default_track_offset = 0;
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uint32_t size_written = 0;
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bitset_reset(default_tracks_bitset, bitset_desc, false);
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for (uint32_t output_index = 0; output_index < num_output_bones; ++output_index)
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{
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const uint32_t bone_index = output_bone_mapping[output_index];
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const BoneStreams& bone_stream = segment.bone_streams[bone_index];
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bitset_set(default_tracks_bitset, bitset_desc, default_track_offset++, bone_stream.is_rotation_default);
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bitset_set(default_tracks_bitset, bitset_desc, default_track_offset++, bone_stream.is_translation_default);
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if (clip.has_scale)
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bitset_set(default_tracks_bitset, bitset_desc, default_track_offset++, bone_stream.is_scale_default);
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size_written += clip.has_scale ? 3 : 2;
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}
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ACL_ASSERT(default_track_offset <= bitset_desc.get_num_bits(), "Too many tracks found for bitset");
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return ((size_written + 31) / 32) * sizeof(uint32_t); // Convert bits to bytes
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}
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inline uint32_t write_constant_track_bitset(const clip_context& clip, uint32_t* constant_tracks_bitset, bitset_description bitset_desc, const uint32_t* output_bone_mapping, uint32_t num_output_bones)
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{
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ACL_ASSERT(constant_tracks_bitset != nullptr, "'constant_tracks_bitset' cannot be null!");
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// Only use the first segment, it contains the necessary information
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const SegmentContext& segment = clip.segments[0];
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uint32_t constant_track_offset = 0;
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uint32_t size_written = 0;
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bitset_reset(constant_tracks_bitset, bitset_desc, false);
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for (uint32_t output_index = 0; output_index < num_output_bones; ++output_index)
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{
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const uint32_t bone_index = output_bone_mapping[output_index];
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const BoneStreams& bone_stream = segment.bone_streams[bone_index];
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bitset_set(constant_tracks_bitset, bitset_desc, constant_track_offset++, bone_stream.is_rotation_constant);
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bitset_set(constant_tracks_bitset, bitset_desc, constant_track_offset++, bone_stream.is_translation_constant);
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if (clip.has_scale)
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bitset_set(constant_tracks_bitset, bitset_desc, constant_track_offset++, bone_stream.is_scale_constant);
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size_written += clip.has_scale ? 3 : 2;
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}
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ACL_ASSERT(constant_track_offset <= bitset_desc.get_num_bits(), "Too many tracks found for bitset");
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return ((size_written + 31) / 32) * sizeof(uint32_t); // Convert bits to bytes
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}
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}
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}
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ACL_IMPL_FILE_PRAGMA_POP
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