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75 lines
2.3 KiB
75 lines
2.3 KiB
#ifndef BUSBAR_TYPES_HPP
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#define BUSBAR_TYPES_HPP
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#include "point.hpp"
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#include "vector3.hpp"
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// 段类型枚举
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enum class SegmentType {
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BEGIN = 0,
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STRAIGHT = 1,
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FLAT_BEND = 2, // 竖直方向弯曲，法向改变
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VERTICAL_BEND = 3, // 水平面内弯曲，法向不变
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TWIST = 4, // 扭转，法向旋转90度
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BEND_45 = 5,
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END = 6
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};
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// 段的终点状态（搜索节点）
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struct SegmentEndState {
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Point position; // 终点位置
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Vector3 normal; // 终点法向（厚度方向）
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Vector3 tangent; // 终点切向（前进方向）
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SegmentType last_type; // 刚完成的段类型
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SegmentEndState(const Point& pos = Point(0, 0, 0),
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const Vector3& n = Vector3(0, 0, 1),
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const Vector3& t = Vector3(1, 0, 0),
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SegmentType type = SegmentType::BEGIN)
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: position(pos),
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normal(n.normalized()),
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tangent(t.normalized()),
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last_type(type) {}
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bool operator==(const SegmentEndState& other) const {
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return position == other.position &&
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(normal - other.normal).normSquared() < 0.01f &&
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(tangent - other.tangent).normSquared() < 0.01f;
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}
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bool operator!=(const SegmentEndState& other) const {
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return !(*this == other);
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}
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};
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// Hash函数
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namespace std {
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template<>
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struct hash<SegmentEndState> {
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size_t operator()(const SegmentEndState& s) const {
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size_t seed = std::hash<Point>()(s.position);
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// Use 0.1 quantization to match operator== tolerance.
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int nx = static_cast<int>(std::round(s.normal.x() * 10));
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int ny = static_cast<int>(std::round(s.normal.y() * 10));
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int nz = static_cast<int>(std::round(s.normal.z() * 10));
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int tx = static_cast<int>(std::round(s.tangent.x() * 10));
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int ty = static_cast<int>(std::round(s.tangent.y() * 10));
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int tz = static_cast<int>(std::round(s.tangent.z() * 10));
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auto hash_combine = [&seed](int v) {
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seed ^= std::hash<int>()(v) + 0x9e3779b97f4a7c15ULL + (seed << 6) + (seed >> 2);
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};
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hash_combine(nx);
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hash_combine(ny);
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hash_combine(nz);
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hash_combine(tx);
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hash_combine(ty);
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hash_combine(tz);
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return seed;
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}
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};
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}
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#endif
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