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examples/cs2-silent-aim-master/cstrike/sdk/entity_handle.h

@@ -0,0 +1,57 @@
+#pragma once
+
+#include "../common.h"
+
+#define INVALID_EHANDLE_INDEX 0xFFFFFFFF
+#define ENT_ENTRY_MASK 0x7FFF
+#define NUM_SERIAL_NUM_SHIFT_BITS 15
+// @source: https://developer.valvesoftware.com/wiki/Entity_limit#Source_2_limits
+#define ENT_MAX_NETWORKED_ENTRY 16384
+
+class CBaseHandle
+{
+public:
+	CBaseHandle() noexcept :
+		nIndex(INVALID_EHANDLE_INDEX) { }
+
+	CBaseHandle(const int nEntry, const int nSerial) noexcept
+	{
+		CS_ASSERT(nEntry >= 0 && (nEntry & ENT_ENTRY_MASK) == nEntry);
+		CS_ASSERT(nSerial >= 0 && nSerial < (1 << NUM_SERIAL_NUM_SHIFT_BITS));
+
+		nIndex = nEntry | (nSerial << NUM_SERIAL_NUM_SHIFT_BITS);
+	}
+
+	bool operator!=(const CBaseHandle& other) const noexcept
+	{
+		return nIndex != other.nIndex;
+	}
+
+	bool operator==(const CBaseHandle& other) const noexcept
+	{
+		return nIndex == other.nIndex;
+	}
+
+	bool operator<(const CBaseHandle& other) const noexcept
+	{
+		return nIndex < other.nIndex;
+	}
+
+	[[nodiscard]] bool IsValid() const noexcept
+	{
+		return nIndex != INVALID_EHANDLE_INDEX;
+	}
+
+	[[nodiscard]] int GetEntryIndex() const noexcept
+	{
+		return static_cast<int>(nIndex & ENT_ENTRY_MASK);
+	}
+
+	[[nodiscard]] int GetSerialNumber() const noexcept
+	{
+		return static_cast<int>(nIndex >> NUM_SERIAL_NUM_SHIFT_BITS);
+	}
+
+private:
+	std::uint32_t nIndex;
+};