100 lines
1.7 KiB
C++
100 lines
1.7 KiB
C++
#pragma once
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#include <cstdint>
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// @source: https://developer.valvesoftware.com/wiki/Entity_limit#Source_2_limits
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#define INVALID_EHANDLE_INDEX 0xFFFFFFFF
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#define ENT_ENTRY_MASK 0x7FFF
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#define NUM_SERIAL_NUM_SHIFT_BITS 15
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#define ENT_MAX_NETWORKED_ENTRY 16384
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class CBaseEntity;
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class CBaseHandle
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{
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public:
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CBaseHandle() noexcept :
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nIndex(INVALID_EHANDLE_INDEX) { }
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CBaseHandle(const int nEntry, const int nSerial) noexcept
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{
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nIndex = nEntry | (nSerial << NUM_SERIAL_NUM_SHIFT_BITS);
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}
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bool operator!=(const CBaseHandle& other) const noexcept
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{
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return nIndex != other.nIndex;
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}
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bool operator==(const CBaseHandle& other) const noexcept
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{
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return nIndex == other.nIndex;
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}
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bool operator<(const CBaseHandle& other) const noexcept
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{
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return nIndex < other.nIndex;
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}
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[[nodiscard]] bool valid() const noexcept
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{
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return nIndex != INVALID_EHANDLE_INDEX;
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}
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[[nodiscard]] int index() const noexcept
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{
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return static_cast<int>(nIndex & ENT_ENTRY_MASK);
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}
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[[nodiscard]] int serial_number() const noexcept
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{
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return static_cast<int>(nIndex >> NUM_SERIAL_NUM_SHIFT_BITS);
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}
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private:
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std::uint32_t nIndex;
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};
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class c_handle
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{
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public:
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c_handle();
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c_handle(const c_handle& other);
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c_handle(unsigned long value);
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c_handle(int iEntry, int iSerialNumber);
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inline int get_index()
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{
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return handler & 0x7FFF;
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}
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inline unsigned long get_handle()
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{
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return handler;
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}
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inline bool is_valid()
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{
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if (handler <= 0 || handler == 0xffffffff)
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return false;
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return true;
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}
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protected:
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std::uint32_t handler;
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};
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inline c_handle::c_handle()
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{
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handler = -1;
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}
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inline c_handle::c_handle(const c_handle& other)
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{
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handler = other.handler;
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}
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inline c_handle::c_handle(unsigned long value)
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{
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handler = value;
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} |