diff options
author | rtk0c <[email protected]> | 2022-06-03 23:30:01 -0700 |
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committer | rtk0c <[email protected]> | 2022-06-03 23:30:01 -0700 |
commit | 791b3f354b378769bffe623b05f1305c91b77101 (patch) | |
tree | 5409b311e6232eb4a6d3f8259b780d76b8ee1c59 /ProjectBrussel/Common/Utils.hpp | |
parent | 60ccc62f4934e44ad5b905fdbcf458302b8d8a09 (diff) |
Changeset: 64 [WIP] Rename directoriesmaster-switch-to-build2
Diffstat (limited to 'ProjectBrussel/Common/Utils.hpp')
-rw-r--r-- | ProjectBrussel/Common/Utils.hpp | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/ProjectBrussel/Common/Utils.hpp b/ProjectBrussel/Common/Utils.hpp new file mode 100644 index 0000000..9560b57 --- /dev/null +++ b/ProjectBrussel/Common/Utils.hpp @@ -0,0 +1,65 @@ +#pragma once + +#include <robin_hood.h> +#include <cstdio> +#include <cstring> +#include <filesystem> +#include <glm/glm.hpp> +#include <string> +#include <string_view> + +namespace Utils { + +enum IoMode { + Read, + WriteTruncate, + WriteAppend, +}; + +FILE* OpenCstdioFile(const std::filesystem::path& path, IoMode mode, bool binary = false); +FILE* OpenCstdioFile(const char* path, IoMode mode, bool binary = false); + +std::string ReadFileAsString(const std::filesystem::path& path); + +constexpr float Abs(float v) noexcept { + return v < 0.0f ? -v : v; +} + +bool InRangeInclusive(int n, int lower, int upper); +bool LineContains(glm::ivec2 p1, glm::ivec2 p2, glm::ivec2 candidate); + +bool IsColinear(glm::ivec2 p1, glm::ivec2 p2); + +template <class T> +void HashCombine(std::size_t& seed, const T& v) { + seed ^= std::hash<T>{}(v) + 0x9e3779b9 + (seed << 6) + (seed >> 2); +} + +std::string MakeRandomNumberedName(const char* tag); + +} // namespace Utils + +struct StringHash { + using is_transparent = void; + + std::size_t operator()(const std::string& key) const { return robin_hood::hash_bytes(key.c_str(), key.size()); } + std::size_t operator()(std::string_view key) const { return robin_hood::hash_bytes(key.data(), key.size()); } + std::size_t operator()(const char* key) const { return robin_hood::hash_bytes(key, std::strlen(key)); } +}; + +struct StringEqual { + using is_transparent = int; + + bool operator()(std::string_view lhs, const std::string& rhs) const { + const std::string_view view = rhs; + return lhs == view; + } + + bool operator()(const char* lhs, const std::string& rhs) const { + return std::strcmp(lhs, rhs.c_str()) == 0; + } + + bool operator()(const std::string& lhs, const std::string& rhs) const { + return lhs == rhs; + } +}; |