LGram16
e067522598
Game client codebase including: - CharacterActionControl: Character and creature management - GlobalScript: Network, items, skills, quests, utilities - RYLClient: Main client application with GUI and event handlers - Engine: 3D rendering engine (RYLGL) - MemoryManager: Custom memory allocation - Library: Third-party dependencies (DirectX, boost, etc.) - Tools: Development utilities 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <noreply@anthropic.com>
67 lines
1.8 KiB
C++
67 lines
1.8 KiB
C++
//----------------------------------------------------------------------------
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// File: random.h
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//
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// Desc: see main.cpp
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//
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// Copyright (c) 1999-2001 Microsoft Corp. All rights reserved.
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//-----------------------------------------------------------------------------
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#ifndef _RANDOM_H
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#define _RANDOM_H
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//-----------------------------------------------------------------------------
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// Name:
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// Desc: Random number generator class - a simple linear congruential generator.
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// We use this instead of the CRT function because we want to be certain that
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// we are using the exact same generator on both server and client side and so
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// (a) don't want to be at the mercy of CRT version changes, and (b) may want
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// multiple independent generators which we can rely on the sequencing of.
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//-----------------------------------------------------------------------------
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class CRandom
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{
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public:
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// Constructor. The random formula is X(n+1) = (a*X(n) + b) mod m
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// The default values for a,b,m give a maximal period generator that does not
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// overflow with 32-bit interger arithmetic.
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CRandom( DWORD seed = 31415, DWORD a = 8121,
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DWORD b = 28411, DWORD m = 134456 ) :
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m_dwSeed(seed),m_dwA(a),m_dwB(b),m_dwM(m) {};
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// Grab a random DWORD between 0 and m
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DWORD Get()
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{
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m_dwSeed = ((m_dwA*m_dwSeed)+m_dwB) % m_dwM;
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return m_dwSeed;
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};
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// Grab a random DWORD in the range [0,n-1]
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DWORD Get( DWORD n )
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{
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return (Get() % n);
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};
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// Grab a random float in the range [0,1]
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float GetFloat()
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{
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return Get() / float(m_dwM-1);
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};
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// Reset the seed
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void Reset( DWORD seed = 31415 )
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{
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m_dwSeed = seed;
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};
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protected:
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DWORD m_dwA, m_dwB, m_dwM;
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DWORD m_dwSeed;
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};
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#endif
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