BambuSrc/libslic3r/GCode/ToolOrderUtils.hpp

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2025-06-05 02:45:57 +00:00
#ifndef TOOL_ORDER_UTILS_HPP
#define TOOL_ORDER_UTILS_HPP
#include <vector>
#include <optional>
#include <functional>
#include <limits>
#include <memory>
#include <unordered_set>
namespace Slic3r {
using FlushMatrix = std::vector<std::vector<float>>;
namespace MaxFlowGraph {
const int INF = std::numeric_limits<int>::max();
const int INVALID_ID = -1;
}
class MaxFlowSolver
{
private:
struct Edge {
int from, to, capacity, flow;
Edge(int u, int v, int cap) :from(u), to(v), capacity(cap), flow(0) {}
};
public:
MaxFlowSolver(const std::vector<int>& u_nodes, const std::vector<int>& v_nodes,
const std::unordered_map<int, std::vector<int>>& uv_link_limits = {},
const std::unordered_map<int, std::vector<int>>& uv_unlink_limits = {},
const std::vector<int>& u_capacity = {},
const std::vector<int>& v_capacity = {}
);
std::vector<int> solve();
private:
void add_edge(int from, int to, int capacity);
int total_nodes;
int source_id;
int sink_id;
std::vector<Edge>edges;
std::vector<int>l_nodes;
std::vector<int>r_nodes;
std::vector<std::vector<int>>adj;
};
struct MinCostMaxFlow;
class GeneralMinCostSolver
{
public:
GeneralMinCostSolver(const std::vector<std::vector<float>>& matrix_,
const std::vector<int>& u_nodes,
const std::vector<int>& v_nodes);
std::vector<int> solve();
~GeneralMinCostSolver();
private:
std::unique_ptr<MinCostMaxFlow> m_solver;
};
class MinFlushFlowSolver
{
public:
MinFlushFlowSolver(const std::vector<std::vector<float>>& matrix_,
const std::vector<int>& u_nodes,
const std::vector<int>& v_nodes,
const std::unordered_map<int, std::vector<int>>& uv_link_limits = {},
const std::unordered_map<int, std::vector<int>>& uv_unlink_limits = {},
const std::vector<int>& u_capacity = {},
const std::vector<int>& v_capacity = {}
);
std::vector<int> solve();
~MinFlushFlowSolver();
private:
std::unique_ptr<MinCostMaxFlow> m_solver;
};
class MatchModeGroupSolver
{
public:
MatchModeGroupSolver(const std::vector<std::vector<float>>& matrix_,
const std::vector<int>& u_nodes,
const std::vector<int>& v_nodes,
const std::vector<int>& v_capacity,
const std::unordered_map<int, std::vector<int>>& uv_unlink_limits = {});
std::vector<int> solve();
~MatchModeGroupSolver();
private:
std::unique_ptr<MinCostMaxFlow> m_solver;
};
std::vector<unsigned int> get_extruders_order(const std::vector<std::vector<float>> &wipe_volumes,
const std::vector<unsigned int> &curr_layer_extruders,
const std::vector<unsigned int> &next_layer_extruders,
const std::optional<unsigned int> &start_extruder_id,
bool use_forcast = false,
float *cost = nullptr);
int reorder_filaments_for_minimum_flush_volume(const std::vector<unsigned int> &filament_lists,
const std::vector<int> &filament_maps,
const std::vector<std::vector<unsigned int>> &layer_filaments,
const std::vector<FlushMatrix> &flush_matrix,
std::optional<std::function<bool(int, std::vector<int> &)>> get_custom_seq,
std::vector<std::vector<unsigned int>> *filament_sequences);
}
#endif // !TOOL_ORDER_UTILS_HPP