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58 lines
2.0 KiB
58 lines
2.0 KiB
#pragma once
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#include <base/primitive.hpp>
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#include <subface/simple/plane.hpp>
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#include <subface/simple/cylinder_face.hpp>
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namespace internal
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{
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struct cylinder_t final : public primitive {
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cylinder_t(primitive_data_center_t *data_center_ptr) : primitive(data_center_ptr)
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{
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initialize({identity_model_matrix_ptr, plane_to_z_model_matrix_ptr, plane_to_z_pos_1_model_matrix_ptr},
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{false, true, false},
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{static_cast<const void *>(&descriptor_defaults::unit_cylinder), nullptr, nullptr},
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k_aabb_up_unit);
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}
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primitive_type get_type() const override { return PRIMITIVE_TYPE_CYLINDER; };
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/**
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* @brief 获取子面的 descriptor 指针
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* @return 指针数组，可能是以下两种类型：
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* - 规范化指针：已被 data_center 管理，共享生命周期
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* - 常量池指针：指向全局常量，仅用于初始化时查找
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*/
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stl_vector_mp<const void*> get_subface_geometries() const override
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{
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std::cerr << "[CYLINDER_GEOM] Getting subface geometries:\n";
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// 检查是否已初始化
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if (subfaces[0].get_ptr() != nullptr) {
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auto* cylinder_face = static_cast<cylinder_face_t*>(subfaces[0].get_ptr());
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return {
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static_cast<const void *>(cylinder_face->get_geometry_ptr()),
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nullptr,
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nullptr
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};
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} else {
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return {
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static_cast<const void*>(&descriptor_defaults::unit_cylinder), // 在 cylinder 中，geometry 即 descriptor
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nullptr,
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nullptr
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};
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}
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}
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span<marked_subface_ptr_t<subface>> get_subfaces() const override
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{
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return {const_cast<marked_subface_ptr_t<subface> *>(subfaces.data()), subfaces.size()};
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}
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stl_vector_mp<surface_type> get_subface_types() const override
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{
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return {surface_type::cylinder, surface_type::plane, surface_type::plane};
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}
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std::array<marked_subface_ptr_t<subface>, 3> subfaces{};
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};
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} // namespace internal
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