192 lines
8.1 KiB
C++
192 lines
8.1 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) 2018 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/impl/compiler_utils.h"
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#include <rtm/qvvf.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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//////////////////////////////////////////////////////////////////////////
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// Describes the format used by the additive clip.
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enum class additive_clip_format8 : uint8_t
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{
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//////////////////////////////////////////////////////////////////////////
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// Clip is not additive
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none = 0,
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//////////////////////////////////////////////////////////////////////////
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// Clip is in relative space, transform_mul or equivalent is used to combine them.
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// transform = transform_mul(additive_transform, base_transform)
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relative = 1,
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//////////////////////////////////////////////////////////////////////////
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// Clip is in additive space where scale is combined with: base_scale * additive_scale
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// transform = transform_add0(additive_transform, base_transform)
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additive0 = 2,
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//////////////////////////////////////////////////////////////////////////
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// Clip is in additive space where scale is combined with: base_scale * (1.0 + additive_scale)
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// transform = transform_add1(additive_transform, base_transform)
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additive1 = 3,
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};
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//////////////////////////////////////////////////////////////////////////
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// TODO: constexpr
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inline const char* get_additive_clip_format_name(additive_clip_format8 format)
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{
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switch (format)
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{
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case additive_clip_format8::none: return "none";
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case additive_clip_format8::relative: return "relative";
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case additive_clip_format8::additive0: return "additive0";
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case additive_clip_format8::additive1: return "additive1";
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default: return "<Invalid>";
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}
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}
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inline bool get_additive_clip_format(const char* format, additive_clip_format8& out_format)
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{
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const char* none_format = "None"; // ACL_DEPRECATED Legacy name, keep for backwards compatibility, remove in 3.0
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const char* none_format_new = "none";
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if (std::strncmp(format, none_format, std::strlen(none_format)) == 0
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|| std::strncmp(format, none_format_new, std::strlen(none_format_new)) == 0)
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{
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out_format = additive_clip_format8::none;
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return true;
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}
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const char* relative_format = "Relative"; // ACL_DEPRECATED Legacy name, keep for backwards compatibility, remove in 3.0
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const char* relative_format_new = "relative";
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if (std::strncmp(format, relative_format, std::strlen(relative_format)) == 0
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|| std::strncmp(format, relative_format_new, std::strlen(relative_format_new)) == 0)
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{
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out_format = additive_clip_format8::relative;
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return true;
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}
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const char* additive0_format = "Additive0"; // ACL_DEPRECATED Legacy name, keep for backwards compatibility, remove in 3.0
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const char* additive0_format_new = "additive0";
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if (std::strncmp(format, additive0_format, std::strlen(additive0_format)) == 0
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|| std::strncmp(format, additive0_format_new, std::strlen(additive0_format_new)) == 0)
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{
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out_format = additive_clip_format8::additive0;
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return true;
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}
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const char* additive1_format = "Additive1"; // ACL_DEPRECATED Legacy name, keep for backwards compatibility, remove in 3.0
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const char* additive1_format_new = "additive1";
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if (std::strncmp(format, additive1_format, std::strlen(additive1_format)) == 0
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|| std::strncmp(format, additive1_format_new, std::strlen(additive1_format_new)) == 0)
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{
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out_format = additive_clip_format8::additive1;
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return true;
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}
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return false;
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}
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inline rtm::vector4f RTM_SIMD_CALL get_default_scale(additive_clip_format8 additive_format)
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{
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return additive_format == additive_clip_format8::additive1 ? rtm::vector_zero() : rtm::vector_set(1.0F);
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}
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inline rtm::qvvf RTM_SIMD_CALL transform_add0(rtm::qvvf_arg0 base, rtm::qvvf_arg1 additive)
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{
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const rtm::quatf rotation = rtm::quat_mul(additive.rotation, base.rotation);
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const rtm::vector4f translation = rtm::vector_add(additive.translation, base.translation);
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const rtm::vector4f scale = rtm::vector_mul(additive.scale, base.scale);
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return rtm::qvv_set(rotation, translation, scale);
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}
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inline rtm::qvvf RTM_SIMD_CALL transform_add1(rtm::qvvf_arg0 base, rtm::qvvf_arg1 additive)
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{
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const rtm::quatf rotation = rtm::quat_mul(additive.rotation, base.rotation);
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const rtm::vector4f translation = rtm::vector_add(additive.translation, base.translation);
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const rtm::vector4f scale = rtm::vector_mul(rtm::vector_add(rtm::vector_set(1.0F), additive.scale), base.scale);
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return rtm::qvv_set(rotation, translation, scale);
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}
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inline rtm::qvvf RTM_SIMD_CALL transform_add_no_scale(rtm::qvvf_arg0 base, rtm::qvvf_arg1 additive)
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{
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const rtm::quatf rotation = rtm::quat_mul(additive.rotation, base.rotation);
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const rtm::vector4f translation = rtm::vector_add(additive.translation, base.translation);
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return rtm::qvv_set(rotation, translation, rtm::vector_set(1.0F));
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}
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inline rtm::qvvf RTM_SIMD_CALL apply_additive_to_base(additive_clip_format8 additive_format, rtm::qvvf_arg0 base, rtm::qvvf_arg1 additive)
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{
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switch (additive_format)
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{
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default:
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case additive_clip_format8::none: return additive;
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case additive_clip_format8::relative: return rtm::qvv_mul(additive, base);
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case additive_clip_format8::additive0: return transform_add0(base, additive);
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case additive_clip_format8::additive1: return transform_add1(base, additive);
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}
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}
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inline rtm::qvvf RTM_SIMD_CALL apply_additive_to_base_no_scale(additive_clip_format8 additive_format, rtm::qvvf_arg0 base, rtm::qvvf_arg1 additive)
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{
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switch (additive_format)
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{
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default:
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case additive_clip_format8::none: return additive;
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case additive_clip_format8::relative: return rtm::qvv_mul_no_scale(additive, base);
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case additive_clip_format8::additive0: return transform_add_no_scale(base, additive);
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case additive_clip_format8::additive1: return transform_add_no_scale(base, additive);
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}
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}
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inline rtm::qvvf RTM_SIMD_CALL convert_to_relative(rtm::qvvf_arg0 base, rtm::qvvf_arg1 transform)
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{
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return rtm::qvv_mul(transform, rtm::qvv_inverse(base));
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}
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inline rtm::qvvf RTM_SIMD_CALL convert_to_additive0(rtm::qvvf_arg0 base, rtm::qvvf_arg1 transform)
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{
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const rtm::quatf rotation = rtm::quat_mul(transform.rotation, rtm::quat_conjugate(base.rotation));
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const rtm::vector4f translation = rtm::vector_sub(transform.translation, base.translation);
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const rtm::vector4f scale = rtm::vector_div(transform.scale, base.scale);
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return rtm::qvv_set(rotation, translation, scale);
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}
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inline rtm::qvvf RTM_SIMD_CALL convert_to_additive1(rtm::qvvf_arg0 base, rtm::qvvf_arg1 transform)
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{
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const rtm::quatf rotation = rtm::quat_mul(transform.rotation, rtm::quat_conjugate(base.rotation));
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const rtm::vector4f translation = rtm::vector_sub(transform.translation, base.translation);
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const rtm::vector4f scale = rtm::vector_sub(rtm::vector_mul(transform.scale, rtm::vector_reciprocal(base.scale)), rtm::vector_set(1.0F));
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return rtm::qvv_set(rotation, translation, scale);
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}
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}
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ACL_IMPL_FILE_PRAGMA_POP
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