92 lines
2.5 KiB
C++
92 lines
2.5 KiB
C++
#pragma once
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#include <string_view>
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#include <cstdint>
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#include <functional>
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#include <fxn/context.hpp>
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namespace fxn
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{
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inline constexpr char ToLower(const char c) noexcept
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{
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return (c >= 'A' && c <= 'Z') ? (c - 'A' + 'a') : c;
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}
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inline constexpr unsigned int HashString(std::string_view str) noexcept
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{
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uint32_t hash = 0;
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for (char ch : str)
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{
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hash += ToLower(ch);
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hash += (hash << 10);
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hash ^= (hash >> 6);
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}
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hash += (hash << 3);
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hash ^= (hash >> 11);
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hash += (hash << 15);
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return hash;
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}
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class NativeInvoker
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{
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public:
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static NativeInvoker& GetInstance();
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static void AddTickEvent(const std::function<void()>& callback);
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public:
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void Initialize();
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public:
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/**
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* @brief Invokes the native on current thread
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* @note MAYBE UNSAFE IF NOT ON GAME THREAD
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* @param hash native hash to invoke
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* @param context native context to use
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* @return whether the native could be found and executed
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*/
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bool Invoke(fxn::NativeContext* context);
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/**
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* @brief Invokes the native on a special game thread
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* @param hash native hash to invoke
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* @param context native context to use
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* @return whether the native could be found and executed
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*/
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bool Schedule(fxn::NativeContext* context, bool waitForCompletion = true);
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public:
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template<typename R, typename... Args>
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R Invoke(std::uint64_t hash, Args&&... args)
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{
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fxn::NativeContext context { hash };
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(context.PushArgument(std::forward<Args>(args)), ...);
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Invoke(&context);
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if constexpr (!std::is_same_v<R, void>)
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{
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return context.GetResult<R>();
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}
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}
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template<typename R, typename... Args>
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R Schedule(std::uint64_t hash, Args&&... args)
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{
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fxn::NativeContext context { hash };
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(context.PushArgument(std::forward<Args>(args)), ...);
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Schedule(&context, true);
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if constexpr (!std::is_same_v<R, void>)
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{
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return context.GetResult<R>();
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}
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}
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public:
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void HookNative(std::uint64_t hash, std::function<bool(fxn::NativeContext* context, bool& shouldCallOriginal)> hook);
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};
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} |