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98 lines
3.5 KiB
98 lines
3.5 KiB
/****************************************************************************
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Copyright (c) 2021-2023 Xiamen Yaji Software Co., Ltd.
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http://www.cocos.com
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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 to
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use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
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of the Software, and to permit persons to whom the Software is furnished to do so,
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subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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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
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THE SOFTWARE.
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****************************************************************************/
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#pragma once
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#include "3d/assets/Types.h"
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namespace cc {
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struct IMeshBufferView {
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uint32_t offset{0};
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uint32_t length{0};
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uint32_t count{0};
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uint32_t stride{0};
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};
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/**
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* @en Morph target contains all displacements data of each vertex attribute like position and normal.
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* @zh 形变目标数据包含网格顶点属性在形变下的变化值，可能包含位移、法线等属性
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*/
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struct MorphTarget {
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/**
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* Displacement of each target attribute.
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*/
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ccstd::vector<IMeshBufferView> displacements;
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};
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/**
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* @en Sub mesh morph data describes all morph targets for one sub mesh,
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* including attributes in each morph target, morph targets data and weights corresponding each targets.
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* @zh 子网格形变数据描述一个子网格下所有的形变目标数据，包含顶点形变属性，形变目标数据和对应每个形变目标的权重。
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*/
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struct SubMeshMorph {
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/**
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* Attributes to morph.
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*/
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ccstd::vector<ccstd::string> attributes;
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/**
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* Targets.
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*/
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ccstd::vector<MorphTarget> targets;
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/**
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* Initial weights of each target.
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*/
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ccstd::optional<MeshWeightsType> weights;
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};
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/**
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* @en Mesh morph data structure to describe the sub meshes data of all sub meshes,
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* it also contains all sub mesh morphs, global weights configuration and target names.
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* Normally the global weights configuration should be identical to the sub mesh morph weights,
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* but if not, the global weights in morph is less prioritized.
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* @zh 网格的形变数据结构，包含所有子网格形变数据，全局的权重配置和所有形变目标名称。
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* 一般来说，全局权重配置和子网格形变数据中保持一致，但如果有差异，以子网格形变数据中的权重配置为准。
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*/
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struct Morph {
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/**
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* Morph data of each sub-mesh.
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*/
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ccstd::vector<ccstd::optional<SubMeshMorph>> subMeshMorphs;
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/**
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* Common initial weights of each sub-mesh.
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*/
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ccstd::optional<MeshWeightsType> weights;
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/**
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* Name of each target of each sub-mesh morph.
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* This field is only meaningful if every sub-mesh has the same number of targets.
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*/
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ccstd::optional<ccstd::vector<ccstd::string>> targetNames;
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};
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} // namespace cc
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