StillHammer
e1cfa4513e
- Core interfaces for modular engine system - Resource management and registry system - Module system with sequential execution - ImGui-based UI implementation - Intra-process I/O communication - Data tree structures for hierarchical data - Serialization framework - Task scheduler interface - Debug engine implementation 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <noreply@anthropic.com>
89 lines
2.3 KiB
C++
89 lines
2.3 KiB
C++
#pragma once
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#include <random>
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#include <cstdint>
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namespace warfactory {
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/**
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* @brief Centralized random number generator singleton
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*
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* Provides consistent, seedable random number generation across all modules.
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* Ensures reproducibility for testing and debugging while maintaining
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* high-quality random distribution.
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*/
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class RandomGenerator {
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private:
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std::mt19937 gen;
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RandomGenerator() : gen(std::random_device{}()) {}
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public:
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// Singleton access
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static RandomGenerator& getInstance() {
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static RandomGenerator instance;
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return instance;
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}
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// Delete copy/move constructors and operators
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RandomGenerator(const RandomGenerator&) = delete;
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RandomGenerator& operator=(const RandomGenerator&) = delete;
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RandomGenerator(RandomGenerator&&) = delete;
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RandomGenerator& operator=(RandomGenerator&&) = delete;
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/**
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* @brief Seed the random generator for reproducible sequences
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* @param seed Seed value (use same seed for identical results)
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*/
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void seed(uint32_t seed) {
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gen.seed(seed);
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}
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/**
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* @brief Generate uniform float in range [min, max]
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*/
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float uniform(float min, float max) {
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std::uniform_real_distribution<float> dis(min, max);
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return dis(gen);
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}
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/**
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* @brief Generate uniform int in range [min, max] (inclusive)
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*/
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int uniformInt(int min, int max) {
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std::uniform_int_distribution<int> dis(min, max);
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return dis(gen);
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}
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/**
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* @brief Generate normal distribution float
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*/
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float normal(float mean, float stddev) {
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std::normal_distribution<float> dis(mean, stddev);
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return dis(gen);
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}
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/**
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* @brief Generate uniform float in range [0.0, 1.0]
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*/
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float unit() {
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return uniform(0.0f, 1.0f);
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}
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/**
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* @brief Generate boolean with given probability
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* @param probability Probability of returning true [0.0, 1.0]
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*/
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bool boolean(float probability = 0.5f) {
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return unit() < probability;
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}
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/**
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* @brief Direct access to underlying generator for custom distributions
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*/
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std::mt19937& getGenerator() {
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return gen;
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}
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};
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} // namespace warfactory
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