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64 lines
2.2 KiB
C++
64 lines
2.2 KiB
C++
// Luanti
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// SPDX-License-Identifier: LGPL-2.1-or-later
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// Copyright (C) 2023 cx384
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#pragma once
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#include <string>
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#include <unordered_map>
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#include "itemgroup.h"
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#include <optional>
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#include "irrlichttypes.h"
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enum class PointabilityType : u8
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{
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// Can be pointed through.
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// Note: This MUST be the 0-th item in the enum for backwards compat.
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// Older Minetest versions send "pointable=false" as "0".
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POINTABLE_NOT,
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// Is pointable.
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// Note: This MUST be the 1-th item in the enum for backwards compat:
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// Older Minetest versions send "pointable=true" as "1".
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POINTABLE,
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// Note: Since (u8) 2 is truthy,
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// older clients will understand this as "pointable=true",
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// which is a reasonable fallback.
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POINTABLE_BLOCKING,
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};
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// An object to store overridden pointable properties
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struct Pointabilities
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{
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// Nodes
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std::unordered_map<std::string, PointabilityType> nodes;
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std::unordered_map<std::string, PointabilityType> node_groups;
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// Objects
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std::unordered_map<std::string, PointabilityType> objects;
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std::unordered_map<std::string, PointabilityType> object_groups; // armor_groups
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// Match functions return fitting pointability,
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// otherwise the default pointability should be used.
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std::optional<PointabilityType> matchNode(const std::string &name,
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const ItemGroupList &groups) const;
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std::optional<PointabilityType> matchObject(const std::string &name,
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const ItemGroupList &groups) const;
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// For players only armor groups will work
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std::optional<PointabilityType> matchPlayer(const ItemGroupList &groups) const;
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void serialize(std::ostream &os) const;
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void deSerialize(std::istream &is);
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// For a save enum conversion.
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static PointabilityType deSerializePointabilityType(std::istream &is);
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static void serializePointabilityType(std::ostream &os, PointabilityType pointable_type);
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static std::string toStringPointabilityType(PointabilityType pointable_type);
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private:
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static std::optional<PointabilityType> matchGroups(const ItemGroupList &groups,
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const std::unordered_map<std::string, PointabilityType> &pointable_groups);
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static void serializeTypeMap(std::ostream &os,
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const std::unordered_map<std::string, PointabilityType> &map);
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static void deSerializeTypeMap(std::istream &is,
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std::unordered_map<std::string, PointabilityType> &map);
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};
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