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48 lines
1.5 KiB
48 lines
1.5 KiB
#pragma once
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#include <functional>
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#include <nlohmann/json.hpp>
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#include <nlohmann/json_fwd.hpp>
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#include "dinkyecs.hpp"
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#define ENROLL_COMPONENT(COMPONENT, ...) \
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NLOHMANN_DEFINE_TYPE_NON_INTRUSIVE(COMPONENT, __VA_ARGS__); \
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template <> struct NameOf<COMPONENT> { \
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static constexpr const char *name = #COMPONENT; \
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};
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namespace components {
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using namespace nlohmann;
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template <typename T> struct NameOf;
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using ReflFuncSignature = std::function<void(DinkyECS::World& world, DinkyECS::Entity ent, nlohmann::json &j)>;
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using ComponentMap = std::unordered_map<std::string, ReflFuncSignature>;
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template<typename COMPONENT> COMPONENT convert(nlohmann::json &data) {
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COMPONENT result;
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from_json(data, result);
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return result;
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}
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template<typename COMPONENT> COMPONENT get(nlohmann::json &data) {
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for (auto &i : data["components"]) {
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if(i["_type"] == NameOf<COMPONENT>::name) {
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COMPONENT result;
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from_json(i, result);
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return result;
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}
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}
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return {};
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}
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template <typename COMPONENT> void enroll(ComponentMap &m) {
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m[NameOf<COMPONENT>::name] = [](DinkyECS::World& world, DinkyECS::Entity ent, nlohmann::json &j) {
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COMPONENT c;
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from_json(j, c);
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world.set<COMPONENT>(ent, c);
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};
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}
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void configure_entity(const ComponentMap& component_map, DinkyECS::World& world, DinkyECS::Entity ent, json& data);
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}
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