diff options
Diffstat (limited to 'src/core')
41 files changed, 2211 insertions, 0 deletions
diff --git a/src/core/CMakeLists.txt b/src/core/CMakeLists.txt new file mode 100644 index 0000000..7a3edfc --- /dev/null +++ b/src/core/CMakeLists.txt @@ -0,0 +1,28 @@ +execute_process(COMMAND git rev-parse --short=8 HEAD + WORKING_DIRECTORY "${PROJECT_SOURCE_DIR}" + OUTPUT_VARIABLE GIT_COMMIT_HASH + OUTPUT_STRIP_TRAILING_WHITESPACE) +configure_file("${CMAKE_CURRENT_LIST_DIR}/version.cc.in" "${CMAKE_CURRENT_LIST_DIR}/version.cc") + +add_library(core STATIC + "${CMAKE_CURRENT_LIST_DIR}/pch.hh" + "${CMAKE_CURRENT_LIST_DIR}/threading.cc" + "${CMAKE_CURRENT_LIST_DIR}/threading.hh" + "${CMAKE_CURRENT_LIST_DIR}/version.cc" + "${CMAKE_CURRENT_LIST_DIR}/version.hh") +target_compile_features(core PUBLIC cxx_std_20) +target_include_directories(core PUBLIC "${PROJECT_SOURCE_DIR}/src") +target_precompile_headers(core PRIVATE "${CMAKE_CURRENT_LIST_DIR}/pch.hh") +target_link_libraries(core PUBLIC enet emhash glm physfs spdlog stb thread_pool) + +add_subdirectory(config) +add_subdirectory(io) +add_subdirectory(math) +add_subdirectory(resource) +add_subdirectory(utils) + +if(WIN32) + target_compile_definitions(core PUBLIC _CRT_SECURE_NO_WARNINGS) + target_compile_definitions(core PUBLIC _USE_MATH_DEFINES) + target_compile_definitions(core PUBLIC NOMINMAX) +endif() diff --git a/src/core/config/CMakeLists.txt b/src/core/config/CMakeLists.txt new file mode 100644 index 0000000..39752d4 --- /dev/null +++ b/src/core/config/CMakeLists.txt @@ -0,0 +1,7 @@ +target_sources(core PRIVATE + "${CMAKE_CURRENT_LIST_DIR}/boolean.cc" + "${CMAKE_CURRENT_LIST_DIR}/boolean.hh" + "${CMAKE_CURRENT_LIST_DIR}/ivalue.hh" + "${CMAKE_CURRENT_LIST_DIR}/number.hh" + "${CMAKE_CURRENT_LIST_DIR}/string.cc" + "${CMAKE_CURRENT_LIST_DIR}/string.hh") diff --git a/src/core/config/boolean.cc b/src/core/config/boolean.cc new file mode 100644 index 0000000..45d5a38 --- /dev/null +++ b/src/core/config/boolean.cc @@ -0,0 +1,43 @@ +#include "core/pch.hh" + +#include "core/config/boolean.hh" + +config::Boolean::Boolean(bool default_value) +{ + m_value = default_value; +} + +void config::Boolean::set(std::string_view value) +{ + m_value = from_string(value); +} + +std::string_view config::Boolean::get(void) const +{ + return to_string(m_value); +} + +bool config::Boolean::get_value(void) const +{ + return m_value; +} + +void config::Boolean::set_value(bool value) +{ + m_value = value; +} + +std::string_view config::Boolean::to_string(bool value) +{ + if(value) { + return "true"; + } + else { + return "false"; + } +} + +bool config::Boolean::from_string(std::string_view value) +{ + return value == "true" && value != "false"; +} diff --git a/src/core/config/boolean.hh b/src/core/config/boolean.hh new file mode 100644 index 0000000..cfd8b0b --- /dev/null +++ b/src/core/config/boolean.hh @@ -0,0 +1,25 @@ +#pragma once + +#include "core/config/ivalue.hh" + +namespace config +{ +class Boolean : public IValue { +public: + explicit Boolean(bool default_value = false); + virtual ~Boolean(void) = default; + + virtual void set(std::string_view value) override; + virtual std::string_view get(void) const override; + + bool get_value(void) const; + void set_value(bool value); + +private: + bool m_value; + +public: + static std::string_view to_string(bool value); + static bool from_string(std::string_view value); +}; +} // namespace config diff --git a/src/core/config/ivalue.hh b/src/core/config/ivalue.hh new file mode 100644 index 0000000..13e9a3a --- /dev/null +++ b/src/core/config/ivalue.hh @@ -0,0 +1,11 @@ +#pragma once + +namespace config +{ +class IValue { +public: + virtual ~IValue(void) = default; + virtual void set(std::string_view value) = 0; + virtual std::string_view get(void) const = 0; +}; +} // namespace config diff --git a/src/core/config/number.hh b/src/core/config/number.hh new file mode 100644 index 0000000..4f185e1 --- /dev/null +++ b/src/core/config/number.hh @@ -0,0 +1,130 @@ +#pragma once + +#include "core/config/ivalue.hh" + +#include "core/math/concepts.hh" + +namespace config +{ +template<math::arithmetic T> +class Number : public IValue { +public: + explicit Number(T default_value = T(0)); + explicit Number(T default_value, T min_value, T max_value); + virtual ~Number(void) = default; + + virtual void set(std::string_view value) override; + virtual std::string_view get(void) const override; + + T get_value(void) const; + void set_value(T value); + + T get_min_value(void) const; + T get_max_value(void) const; + void set_limits(T min_value, T max_value); + +private: + T m_value; + T m_min_value; + T m_max_value; + std::string m_string; +}; +} // namespace config + +namespace config +{ +class Int final : public Number<int> { +public: + using Number<int>::Number; +}; + +class Float final : public Number<float> { +public: + using Number<float>::Number; +}; + +class Unsigned final : public Number<unsigned int> { +public: + using Number<unsigned int>::Number; +}; + +class Unsigned64 final : public Number<std::uint64_t> { +public: + using Number<std::uint64_t>::Number; +}; + +class SizeType final : public Number<std::size_t> { +public: + using Number<std::size_t>::Number; +}; +} // namespace config + +template<math::arithmetic T> +inline config::Number<T>::Number(T default_value) +{ + m_value = default_value; + m_min_value = std::numeric_limits<T>::lowest(); + m_max_value = std::numeric_limits<T>::max(); + m_string = std::to_string(default_value); +} + +template<math::arithmetic T> +inline config::Number<T>::Number(T default_value, T min_value, T max_value) +{ + m_value = default_value; + m_min_value = min_value; + m_max_value = max_value; + m_string = std::to_string(default_value); +} + +template<math::arithmetic T> +inline void config::Number<T>::set(std::string_view value) +{ + T parsed_value; + auto result = std::from_chars(value.data(), value.data() + value.size(), parsed_value); + + if(result.ec == std::errc()) { + m_value = std::clamp(parsed_value, m_min_value, m_max_value); + m_string = std::to_string(m_value); + } +} + +template<math::arithmetic T> +inline std::string_view config::Number<T>::get(void) const +{ + return m_string; +} + +template<math::arithmetic T> +inline T config::Number<T>::get_value(void) const +{ + return m_value; +} + +template<math::arithmetic T> +inline void config::Number<T>::set_value(T value) +{ + m_value = std::clamp(value, m_min_value, m_max_value); + m_string = std::to_string(m_value); +} + +template<math::arithmetic T> +inline T config::Number<T>::get_min_value(void) const +{ + return m_min_value; +} + +template<math::arithmetic T> +inline T config::Number<T>::get_max_value(void) const +{ + return m_max_value; +} + +template<math::arithmetic T> +inline void config::Number<T>::set_limits(T min_value, T max_value) +{ + m_min_value = min_value; + m_max_value = max_value; + m_value = std::clamp(m_value, m_min_value, m_max_value); + m_string = std::to_string(m_value); +} diff --git a/src/core/config/string.cc b/src/core/config/string.cc new file mode 100644 index 0000000..198b448 --- /dev/null +++ b/src/core/config/string.cc @@ -0,0 +1,18 @@ +#include "core/pch.hh" + +#include "core/config/string.hh" + +config::String::String(std::string_view default_value) +{ + m_value = default_value; +} + +void config::String::set(std::string_view value) +{ + m_value = value; +} + +std::string_view config::String::get(void) const +{ + return m_value; +} diff --git a/src/core/config/string.hh b/src/core/config/string.hh new file mode 100644 index 0000000..8fd3901 --- /dev/null +++ b/src/core/config/string.hh @@ -0,0 +1,31 @@ +#pragma once + +#include "core/config/ivalue.hh" + +namespace config +{ +class String : public IValue { +public: + explicit String(std::string_view default_value); + virtual ~String(void) = default; + + virtual void set(std::string_view value) override; + virtual std::string_view get(void) const override; + + constexpr const std::string& get_value(void) const noexcept; + constexpr const char* c_str(void) const noexcept; + +private: + std::string m_value; +}; +} // namespace config + +constexpr const std::string& config::String::get_value(void) const noexcept +{ + return m_value; +} + +constexpr const char* config::String::c_str(void) const noexcept +{ + return m_value.c_str(); +} diff --git a/src/core/io/CMakeLists.txt b/src/core/io/CMakeLists.txt new file mode 100644 index 0000000..3fe9fb1 --- /dev/null +++ b/src/core/io/CMakeLists.txt @@ -0,0 +1,9 @@ +target_sources(core PRIVATE + "${CMAKE_CURRENT_LIST_DIR}/buffer.cc" + "${CMAKE_CURRENT_LIST_DIR}/buffer.hh" + "${CMAKE_CURRENT_LIST_DIR}/cmdline.cc" + "${CMAKE_CURRENT_LIST_DIR}/cmdline.hh" + "${CMAKE_CURRENT_LIST_DIR}/config_map.cc" + "${CMAKE_CURRENT_LIST_DIR}/config_map.hh" + "${CMAKE_CURRENT_LIST_DIR}/physfs.cc" + "${CMAKE_CURRENT_LIST_DIR}/physfs.hh") diff --git a/src/core/io/buffer.cc b/src/core/io/buffer.cc new file mode 100644 index 0000000..0f781a0 --- /dev/null +++ b/src/core/io/buffer.cc @@ -0,0 +1,345 @@ +#include "core/pch.hh" + +#include "core/io/buffer.hh" + +#include "core/math/constexpr.hh" + +io::ReadBuffer::ReadBuffer(const ReadBuffer& other) +{ + reset(other.data(), other.size()); +} + +io::ReadBuffer::ReadBuffer(const void* data, std::size_t size) +{ + assert(data); + + reset(data, size); +} + +io::ReadBuffer::ReadBuffer(const ENetPacket* packet) +{ + assert(packet); + + reset(packet); +} + +io::ReadBuffer::ReadBuffer(PHYSFS_File* file) +{ + assert(file); + + reset(file); +} + +std::size_t io::ReadBuffer::size(void) const +{ + return m_vector.size(); +} + +const std::byte* io::ReadBuffer::data(void) const +{ + return m_vector.data(); +} + +void io::ReadBuffer::reset(const void* data, std::size_t size) +{ + assert(data); + + auto bytes = reinterpret_cast<const std::byte*>(data); + m_vector.assign(bytes, bytes + size); + m_position = 0U; +} + +void io::ReadBuffer::reset(const ENetPacket* packet) +{ + assert(packet); + + auto bytes_ptr = reinterpret_cast<const std::byte*>(packet->data); + m_vector.assign(bytes_ptr, bytes_ptr + packet->dataLength); + m_position = 0; +} + +void io::ReadBuffer::reset(PHYSFS_File* file) +{ + assert(file); + + m_vector.resize(PHYSFS_fileLength(file)); + m_position = 0; + + PHYSFS_seek(file, 0); + PHYSFS_readBytes(file, m_vector.data(), m_vector.size()); +} + +template<> +std::byte io::ReadBuffer::read<std::byte>(void) +{ + if(m_position < m_vector.size()) { + auto result = m_vector[m_position]; + m_position += 1U; + return result; + } + + m_position += 1U; + return static_cast<std::byte>(0x00); +} + +template<> +std::uint8_t io::ReadBuffer::read<std::uint8_t>(void) +{ + if((m_position + 1U) <= m_vector.size()) { + auto result = static_cast<std::uint8_t>(m_vector[m_position]); + m_position += 1U; + return result; + } + + m_position += 1U; + return 0; +} + +template<> +std::uint16_t io::ReadBuffer::read<std::uint16_t>(void) +{ + if((m_position + 2U) <= m_vector.size()) { + auto result = UINT16_C(0x0000); + result |= (UINT16_C(0x00FF) & static_cast<std::uint16_t>(m_vector[m_position + 0U])) << 8U; + result |= (UINT16_C(0x00FF) & static_cast<std::uint16_t>(m_vector[m_position + 1U])) << 0U; + m_position += 2U; + return result; + } + + m_position += 2U; + return 0; +} + +template<> +std::uint32_t io::ReadBuffer::read<std::uint32_t>(void) +{ + if((m_position + 4U) <= m_vector.size()) { + auto result = UINT32_C(0x00000000); + result |= (UINT32_C(0x000000FF) & static_cast<std::uint32_t>(m_vector[m_position + 0U])) << 24U; + result |= (UINT32_C(0x000000FF) & static_cast<std::uint32_t>(m_vector[m_position + 1U])) << 16U; + result |= (UINT32_C(0x000000FF) & static_cast<std::uint32_t>(m_vector[m_position + 2U])) << 8U; + result |= (UINT32_C(0x000000FF) & static_cast<std::uint32_t>(m_vector[m_position + 3U])) << 0U; + m_position += 4U; + return result; + } + + m_position += 4U; + return 0; +} + +template<> +std::uint64_t io::ReadBuffer::read<std::uint64_t>(void) +{ + if((m_position + 8U) <= m_vector.size()) { + auto result = UINT64_C(0x0000000000000000); + result |= (UINT64_C(0x00000000000000FF) & static_cast<std::uint64_t>(m_vector[m_position + 0U])) << 56U; + result |= (UINT64_C(0x00000000000000FF) & static_cast<std::uint64_t>(m_vector[m_position + 1U])) << 48U; + result |= (UINT64_C(0x00000000000000FF) & static_cast<std::uint64_t>(m_vector[m_position + 2U])) << 40U; + result |= (UINT64_C(0x00000000000000FF) & static_cast<std::uint64_t>(m_vector[m_position + 3U])) << 32U; + result |= (UINT64_C(0x00000000000000FF) & static_cast<std::uint64_t>(m_vector[m_position + 4U])) << 24U; + result |= (UINT64_C(0x00000000000000FF) & static_cast<std::uint64_t>(m_vector[m_position + 5U])) << 16U; + result |= (UINT64_C(0x00000000000000FF) & static_cast<std::uint64_t>(m_vector[m_position + 6U])) << 8U; + result |= (UINT64_C(0x00000000000000FF) & static_cast<std::uint64_t>(m_vector[m_position + 7U])) << 0U; + m_position += 8U; + return result; + } + + m_position += 8U; + return 0; +} + +template<> +float io::ReadBuffer::read<float>(void) +{ + return std::bit_cast<float>(read<std::uint32_t>()); +} + +template<> +std::int8_t io::ReadBuffer::read<std::int8_t>(void) +{ + return std::bit_cast<std::int8_t>(read<std::uint8_t>()); +} + +template<> +std::int16_t io::ReadBuffer::read<std::int16_t>(void) +{ + return std::bit_cast<std::int16_t>(read<std::uint16_t>()); +} + +template<> +std::int32_t io::ReadBuffer::read<std::int32_t>(void) +{ + return std::bit_cast<std::int32_t>(read<std::uint32_t>()); +} + +template<> +std::int64_t io::ReadBuffer::read<std::int64_t>(void) +{ + return std::bit_cast<std::int64_t>(read<std::uint64_t>()); +} + +template<> +std::string io::ReadBuffer::read<std::string>(void) +{ + std::string result; + result.resize(read<std::uint16_t>()); + + for(std::size_t i = 0; i < result.size(); ++i) { + if(m_position < m_vector.size()) { + result[i] = static_cast<char>(m_vector[m_position]); + } + + m_position += 1U; + } + + return result; +} + +void io::ReadBuffer::read(void* buffer, std::size_t size) +{ + auto bytes = reinterpret_cast<std::byte*>(buffer); + auto amount_to_read = std::min(size, m_vector.size() - m_position); + + if(amount_to_read > 0) { + std::copy(m_vector.cbegin() + m_position, m_vector.cbegin() + m_position + amount_to_read, bytes); + } + + m_position += size; +} + +io::WriteBuffer::WriteBuffer(const WriteBuffer& other) +{ + m_vector = other.m_vector; +} + +std::size_t io::WriteBuffer::size(void) const +{ + return m_vector.size(); +} + +const std::byte* io::WriteBuffer::data(void) const +{ + return m_vector.data(); +} + +void io::WriteBuffer::reset(void) +{ + m_vector.clear(); +} + +void io::WriteBuffer::write(const WriteBuffer& other) +{ + m_vector.insert(m_vector.end(), other.m_vector.begin(), other.m_vector.end()); +} + +void io::WriteBuffer::write(const void* data, std::size_t size) +{ + assert(data); + + auto bytes = reinterpret_cast<const std::byte*>(data); + m_vector.insert(m_vector.end(), bytes, bytes + size); +} + +template<> +void io::WriteBuffer::write<std::byte>(const std::byte value) +{ + m_vector.push_back(value); +} + +template<> +void io::WriteBuffer::write<std::uint8_t>(const std::uint8_t value) +{ + m_vector.push_back(static_cast<std::byte>(value)); +} + +template<> +void io::WriteBuffer::write<std::uint16_t>(const std::uint16_t value) +{ + m_vector.push_back(static_cast<std::byte>(UINT16_C(0xFF) & ((value & UINT16_C(0xFF00)) >> 8U))); + m_vector.push_back(static_cast<std::byte>(UINT16_C(0xFF) & ((value & UINT16_C(0x00FF)) >> 0U))); +} + +template<> +void io::WriteBuffer::write<std::uint32_t>(const std::uint32_t value) +{ + m_vector.push_back(static_cast<std::byte>(UINT32_C(0xFF) & ((value & UINT32_C(0xFF000000)) >> 24U))); + m_vector.push_back(static_cast<std::byte>(UINT32_C(0xFF) & ((value & UINT32_C(0x00FF0000)) >> 16U))); + m_vector.push_back(static_cast<std::byte>(UINT32_C(0xFF) & ((value & UINT32_C(0x0000FF00)) >> 8U))); + m_vector.push_back(static_cast<std::byte>(UINT32_C(0xFF) & ((value & UINT32_C(0x000000FF)) >> 0U))); +} + +template<> +void io::WriteBuffer::write<std::uint64_t>(const std::uint64_t value) +{ + m_vector.push_back(static_cast<std::byte>(UINT64_C(0xFF) & ((value & UINT64_C(0xFF00000000000000)) >> 56U))); + m_vector.push_back(static_cast<std::byte>(UINT64_C(0xFF) & ((value & UINT64_C(0x00FF000000000000)) >> 48U))); + m_vector.push_back(static_cast<std::byte>(UINT64_C(0xFF) & ((value & UINT64_C(0x0000FF0000000000)) >> 40U))); + m_vector.push_back(static_cast<std::byte>(UINT64_C(0xFF) & ((value & UINT64_C(0x000000FF00000000)) >> 32U))); + m_vector.push_back(static_cast<std::byte>(UINT64_C(0xFF) & ((value & UINT64_C(0x00000000FF000000)) >> 24U))); + m_vector.push_back(static_cast<std::byte>(UINT64_C(0xFF) & ((value & UINT64_C(0x0000000000FF0000)) >> 16U))); + m_vector.push_back(static_cast<std::byte>(UINT64_C(0xFF) & ((value & UINT64_C(0x000000000000FF00)) >> 8U))); + m_vector.push_back(static_cast<std::byte>(UINT64_C(0xFF) & ((value & UINT64_C(0x00000000000000FF)) >> 0U))); +} + +template<> +void io::WriteBuffer::write(const float value) +{ + write(std::bit_cast<std::uint32_t>(value)); +} + +template<> +void io::WriteBuffer::write(const std::int8_t value) +{ + write(std::bit_cast<std::uint8_t>(value)); +} + +template<> +void io::WriteBuffer::write(const std::int16_t value) +{ + write(std::bit_cast<std::uint16_t>(value)); +} + +template<> +void io::WriteBuffer::write(const std::int32_t value) +{ + write(std::bit_cast<std::uint32_t>(value)); +} + +template<> +void io::WriteBuffer::write(const std::int64_t value) +{ + write(std::bit_cast<std::uint64_t>(value)); +} + +template<> +void io::WriteBuffer::write<std::string_view>(const std::string_view value) +{ + write<std::uint16_t>(static_cast<std::uint16_t>(value.size())); + + for(const auto& character : value) { + m_vector.push_back(static_cast<std::byte>(character)); + } +} + +PHYSFS_File* io::WriteBuffer::to_file(const std::string& path, bool append) const +{ + PHYSFS_File* file = nullptr; + + if(append) { + file = PHYSFS_openAppend(path.c_str()); + } + else { + file = PHYSFS_openWrite(path.c_str()); + } + + if(file) { + PHYSFS_writeBytes(file, m_vector.data(), m_vector.size()); + } + + return file; +} + +ENetPacket* io::WriteBuffer::to_packet(enet_uint32 flags) const +{ + return enet_packet_create(m_vector.data(), m_vector.size(), flags); +} diff --git a/src/core/io/buffer.hh b/src/core/io/buffer.hh new file mode 100644 index 0000000..96a37b1 --- /dev/null +++ b/src/core/io/buffer.hh @@ -0,0 +1,88 @@ +namespace io +{ +class ReadBuffer final { +public: + ReadBuffer(void) = default; + explicit ReadBuffer(const ReadBuffer& other); + explicit ReadBuffer(const void* data, std::size_t size); + explicit ReadBuffer(const ENetPacket* packet); + explicit ReadBuffer(PHYSFS_File* file); + virtual ~ReadBuffer(void) = default; + + std::size_t size(void) const; + const std::byte* data(void) const; + + void reset(const void* data, std::size_t size); + void reset(const ENetPacket* packet); + void reset(PHYSFS_File* file); + + constexpr void rewind(void); + constexpr bool is_ended(void) const; + + void read(void* buffer, std::size_t size); + + template<typename T> + T read(void); + + template<typename T> + ReadBuffer& operator>>(T& value); + +private: + std::vector<std::byte> m_vector; + std::size_t m_position; +}; +} // namespace io + +namespace io +{ +class WriteBuffer final { +public: + WriteBuffer(void) = default; + explicit WriteBuffer(const WriteBuffer& other); + virtual ~WriteBuffer(void) = default; + + std::size_t size(void) const; + const std::byte* data(void) const; + + void reset(void); + + void write(const WriteBuffer& other); + void write(const void* data, std::size_t size); + + template<typename T> + void write(const T value); + + template<typename T> + WriteBuffer& operator<<(const T value); + + PHYSFS_File* to_file(const std::string& path, bool append = false) const; + ENetPacket* to_packet(enet_uint32 flags = ENET_PACKET_FLAG_RELIABLE) const; + +private: + std::vector<std::byte> m_vector; +}; +} // namespace io + +constexpr void io::ReadBuffer::rewind(void) +{ + m_position = 0; +} + +constexpr bool io::ReadBuffer::is_ended(void) const +{ + return m_position >= m_vector.size(); +} + +template<typename T> +io::ReadBuffer& io::ReadBuffer::operator>>(T& value) +{ + value = read<T>(); + return *this; +} + +template<typename T> +io::WriteBuffer& io::WriteBuffer::operator<<(const T value) +{ + write<T>(value); + return *this; +} diff --git a/src/core/io/cmdline.cc b/src/core/io/cmdline.cc new file mode 100644 index 0000000..7a00f37 --- /dev/null +++ b/src/core/io/cmdline.cc @@ -0,0 +1,95 @@ +#include "core/pch.hh" + +#include "core/io/cmdline.hh" + +// Valid options always start with OPTION_PREFIX, can contain +// a bunch of OPTION_PREFIX'es inside and never end with one +constexpr static char OPTION_PREFIX = '-'; + +static std::unordered_map<std::string, std::string> options; + +static inline bool is_option_string(const std::string& string) +{ + if(string.find_last_of(OPTION_PREFIX) >= (string.size() - 1)) { + return false; + } + + return string[0] == OPTION_PREFIX; +} + +static inline std::string get_option(const std::string& string) +{ + std::size_t i; + for(i = 0; string[i] == OPTION_PREFIX; ++i) { + // empty + } + + return std::string(string.cbegin() + i, string.cend()); +} + +void io::cmdline::create(int argc, char** argv) +{ + for(int idx = 1; idx < argc; ++idx) { + std::string string = argv[idx]; + + if(!is_option_string(string)) { + spdlog::warn("cmdline: non-argument at {}: {}", idx, string); + continue; + } + + auto option_string = get_option(string); + auto next_idx = idx + 1; + + if(next_idx < argc) { + std::string argument = argv[next_idx]; + + if(!is_option_string(argument)) { + options.insert_or_assign(option_string, argument); + idx = next_idx; + continue; + } + } + + // The option is either last or has no + // argument (happens when there is a valid + // option right next to the one we're parsing) + options.insert_or_assign(option_string, std::string()); + } +} + +void io::cmdline::insert(std::string_view option) +{ + options.insert_or_assign(std::string(option), std::string()); +} + +void io::cmdline::insert(std::string_view option, std::string_view argument) +{ + options.insert_or_assign(std::string(option), std::string(argument)); +} + +std::string_view io::cmdline::get(std::string_view option, std::string_view fallback) +{ + auto it = options.find(std::string(option)); + + if(it == options.cend()) { + return fallback; + } + + return it->second; +} + +const char* io::cmdline::get_cstr(std::string_view option, const char* fallback) +{ + auto it = options.find(std::string(option)); + + if(it == options.cend()) { + return fallback; + } + + return it->second.c_str(); +} + +bool io::cmdline::contains(std::string_view option) +{ + return options.count(std::string(option)); +} diff --git a/src/core/io/cmdline.hh b/src/core/io/cmdline.hh new file mode 100644 index 0000000..e90433c --- /dev/null +++ b/src/core/io/cmdline.hh @@ -0,0 +1,11 @@ +#pragma once + +namespace io::cmdline +{ +void create(int argc, char** argv); +void insert(std::string_view option); +void insert(std::string_view option, std::string_view argument); +std::string_view get(std::string_view option, std::string_view fallback = ""); +const char* get_cstr(std::string_view option, const char* fallback = nullptr); +bool contains(std::string_view option); +} // namespace io::cmdline diff --git a/src/core/io/config_map.cc b/src/core/io/config_map.cc new file mode 100644 index 0000000..57692a7 --- /dev/null +++ b/src/core/io/config_map.cc @@ -0,0 +1,136 @@ +#include "core/pch.hh" + +#include "core/io/config_map.hh" + +#include "core/config/ivalue.hh" + +#include "core/io/cmdline.hh" + +#include "core/utils/string.hh" + +#include "core/version.hh" + +void io::ConfigMap::load_cmdline(void) +{ + for(auto it : m_values) { + if(auto value = io::cmdline::get_cstr(it.first.c_str())) { + it.second->set(value); + } + } +} + +bool io::ConfigMap::load_file(std::string_view path) +{ + if(auto file = PHYSFS_openRead(std::string(path).c_str())) { + auto source = std::string(PHYSFS_fileLength(file), char(0x00)); + PHYSFS_readBytes(file, source.data(), source.size()); + PHYSFS_close(file); + + std::string line; + std::string kv_string; + std::istringstream stream(source); + + while(std::getline(stream, line)) { + auto comment = line.find_first_of('#'); + + if(comment == std::string::npos) { + kv_string = utils::trim_whitespace(line); + } + else { + kv_string = utils::trim_whitespace(line.substr(0, comment)); + } + + if(utils::is_whitespace(kv_string)) { + // Ignore empty or commented out lines + continue; + } + + auto separator = kv_string.find('='); + + if(separator == std::string::npos) { + spdlog::warn("config: {}: invalid line: {}", path, line); + continue; + } + + auto kv_name = utils::trim_whitespace(kv_string.substr(0, separator)); + auto kv_value = utils::trim_whitespace(kv_string.substr(separator + 1)); + + auto kv_pair = m_values.find(kv_name); + + if(kv_pair == m_values.cend()) { + spdlog::warn("config: {}: unknown key: {}", path, kv_name); + continue; + } + + kv_pair->second->set(kv_value.c_str()); + } + + return true; + } + + return false; +} + +bool io::ConfigMap::save_file(std::string_view path) const +{ + std::ostringstream stream; + + auto curtime = std::time(nullptr); + + stream << "# Voxelius " << version::triplet << " configuration file" << std::endl; + stream << "# Generated at: " << std::put_time(std::gmtime(&curtime), "%Y-%m-%d %H:%M:%S %z") << std::endl << std::endl; + + for(const auto& it : m_values) { + stream << it.first << "="; + stream << it.second->get(); + stream << std::endl; + } + + if(auto file = PHYSFS_openWrite(std::string(path).c_str())) { + auto source = stream.str(); + PHYSFS_writeBytes(file, source.data(), source.size()); + PHYSFS_close(file); + return true; + } + + return false; +} + +bool io::ConfigMap::set_value(std::string_view name, std::string_view value) +{ + auto kv_pair = m_values.find(std::string(name)); + + if(kv_pair != m_values.cend()) { + kv_pair->second->set(value); + return true; + } + + return false; +} + +std::string_view io::ConfigMap::get_value(std::string_view name) const +{ + auto kv_pair = m_values.find(std::string(name)); + if(kv_pair != m_values.cend()) { + return kv_pair->second->get(); + } + + return std::string_view(); +} + +void io::ConfigMap::add_value(std::string_view name, config::IValue& vref) +{ + m_values.insert_or_assign(std::string(name), &vref); +} + +const config::IValue* io::ConfigMap::find(std::string_view name) const +{ + auto kv_pair = m_values.find(std::string(name)); + + if(kv_pair != m_values.cend()) { + return kv_pair->second; + } + else { + return nullptr; + } +} diff --git a/src/core/io/config_map.hh b/src/core/io/config_map.hh new file mode 100644 index 0000000..b0cd579 --- /dev/null +++ b/src/core/io/config_map.hh @@ -0,0 +1,29 @@ +#pragma once + +namespace config +{ +class IValue; +} // namespace config + +namespace io +{ +class ConfigMap final { +public: + ConfigMap(void) = default; + virtual ~ConfigMap(void) = default; + + void load_cmdline(void); + bool load_file(std::string_view path); + bool save_file(std::string_view path) const; + + bool set_value(std::string_view name, std::string_view value); + std::string_view get_value(std::string_view name) const; + + void add_value(std::string_view name, config::IValue& vref); + + const config::IValue* find(std::string_view name) const; + +private: + std::unordered_map<std::string, config::IValue*> m_values; +}; +} // namespace io diff --git a/src/core/io/physfs.cc b/src/core/io/physfs.cc new file mode 100644 index 0000000..1c36f88 --- /dev/null +++ b/src/core/io/physfs.cc @@ -0,0 +1,76 @@ +#include "core/pch.hh" + +#include "core/io/physfs.hh" + +bool io::read_file(std::string_view path, std::vector<std::byte>& buffer) +{ + auto file = PHYSFS_openRead(std::string(path).c_str()); + + if(file == nullptr) { + spdlog::error("physfs: {}: {}", path, physfs_error()); + return false; + } + + PHYSFS_sint64 file_size = PHYSFS_fileLength(file); + buffer.resize(static_cast<std::size_t>(file_size)); + + PHYSFS_readBytes(file, buffer.data(), file_size); + PHYSFS_close(file); + + return true; +} + +bool io::read_file(std::string_view path, std::string& buffer) +{ + auto file = PHYSFS_openRead(std::string(path).c_str()); + + if(file == nullptr) { + spdlog::error("physfs: {}: {}", path, physfs_error()); + return false; + } + + PHYSFS_sint64 file_size = PHYSFS_fileLength(file); + buffer.resize(static_cast<std::size_t>(file_size)); + + PHYSFS_readBytes(file, buffer.data(), file_size); + PHYSFS_close(file); + + return true; +} + +bool io::write_file(std::string_view path, const std::vector<std::byte>& buffer) +{ + auto file = PHYSFS_openWrite(std::string(path).c_str()); + + if(file == nullptr) { + spdlog::error("physfs: {}: {}", path, physfs_error()); + return false; + } + + PHYSFS_writeBytes(file, buffer.data(), static_cast<PHYSFS_uint64>(buffer.size())); + PHYSFS_close(file); + + return true; +} + +bool io::write_file(std::string_view path, const std::string& buffer) +{ + auto file = PHYSFS_openWrite(std::string(path).c_str()); + + if(file == nullptr) { + spdlog::error("physfs: {}: {}", path, physfs_error()); + return false; + } + + PHYSFS_writeBytes(file, buffer.data(), static_cast<PHYSFS_uint64>(buffer.size())); + PHYSFS_close(file); + + return true; +} + +std::string_view io::physfs_error(void) +{ + auto error_code = PHYSFS_getLastErrorCode(); + auto error_string = PHYSFS_getErrorByCode(error_code); + return std::string_view(error_string, std::strlen(error_string)); +} diff --git a/src/core/io/physfs.hh b/src/core/io/physfs.hh new file mode 100644 index 0000000..01282ad --- /dev/null +++ b/src/core/io/physfs.hh @@ -0,0 +1,14 @@ +#pragma once + +namespace io +{ +bool read_file(std::string_view path, std::vector<std::byte>& buffer); +bool read_file(std::string_view path, std::string& buffer); +bool write_file(std::string_view path, const std::vector<std::byte>& buffer); +bool write_file(std::string_view path, const std::string& buffer); +} // namespace io + +namespace io +{ +std::string_view physfs_error(void); +} // namespace io diff --git a/src/core/math/CMakeLists.txt b/src/core/math/CMakeLists.txt new file mode 100644 index 0000000..bcb45aa --- /dev/null +++ b/src/core/math/CMakeLists.txt @@ -0,0 +1,8 @@ +target_sources(core PRIVATE + "${CMAKE_CURRENT_LIST_DIR}/aabb.hh" + "${CMAKE_CURRENT_LIST_DIR}/angles.hh" + "${CMAKE_CURRENT_LIST_DIR}/concepts.hh" + "${CMAKE_CURRENT_LIST_DIR}/constexpr.hh" + "${CMAKE_CURRENT_LIST_DIR}/crc64.cc" + "${CMAKE_CURRENT_LIST_DIR}/crc64.hh" + "${CMAKE_CURRENT_LIST_DIR}/vectors.hh") diff --git a/src/core/math/aabb.hh b/src/core/math/aabb.hh new file mode 100644 index 0000000..a235a9b --- /dev/null +++ b/src/core/math/aabb.hh @@ -0,0 +1,111 @@ +#pragma once + +#include "core/math/concepts.hh" + +namespace math +{ +template<arithmetic T> +class AABB { +public: + using value_type = T; + using vector_type = glm::vec<3, T>; + + constexpr AABB(void) = default; + constexpr explicit AABB(const vector_type& start, const vector_type& end); + virtual ~AABB(void) = default; + + constexpr void set_bounds(const vector_type& start, const vector_type& end); + constexpr void set_offset(const vector_type& base, const vector_type& size); + + constexpr bool contains(const vector_type& point) const; + constexpr bool intersect(const AABB<value_type>& other_box) const; + + constexpr AABB<value_type> combine(const AABB<value_type>& other_box) const; + constexpr AABB<value_type> multiply(const AABB<value_type>& other_box) const; + constexpr AABB<value_type> push(const vector_type& vector) const; + +public: + vector_type min {}; + vector_type max {}; +}; +} // namespace math + +namespace math +{ +using AABBf = AABB<float>; +} // namespace math + +template<math::arithmetic T> +constexpr math::AABB<T>::AABB(const vector_type& start, const vector_type& end) +{ + set_bounds(start, end); +} + +template<math::arithmetic T> +constexpr void math::AABB<T>::set_bounds(const vector_type& start, const vector_type& end) +{ + min = start; + max = end; +} + +template<math::arithmetic T> +constexpr void math::AABB<T>::set_offset(const vector_type& base, const vector_type& size) +{ + min = base; + max = base + size; +} + +template<math::arithmetic T> +constexpr bool math::AABB<T>::contains(const vector_type& point) const +{ + auto result = true; + result = result && (point.x >= min.x) && (point.x <= max.x); + result = result && (point.y >= min.y) && (point.y <= max.y); + result = result && (point.z >= min.z) && (point.z <= max.z); + return result; +} + +template<math::arithmetic T> +constexpr bool math::AABB<T>::intersect(const AABB<value_type>& other_box) const +{ + auto result = true; + result = result && (min.x <= other_box.max.x) && (max.x >= other_box.min.x); + result = result && (min.y <= other_box.max.y) && (max.y >= other_box.min.y); + result = result && (min.z <= other_box.max.z) && (max.z >= other_box.min.z); + return result; +} + +template<math::arithmetic T> +constexpr math::AABB<T> math::AABB<T>::combine(const AABB<value_type>& other_box) const +{ + AABB<value_type> result; + result.min.x = glm::min(min.x, other_box.min.x); + result.min.y = glm::min(min.y, other_box.min.y); + result.min.z = glm::min(min.z, other_box.min.z); + result.max.x = glm::max(max.x, other_box.max.x); + result.max.y = glm::max(max.y, other_box.max.y); + result.max.z = glm::max(max.z, other_box.max.z); + return result; +} + +template<math::arithmetic T> +constexpr math::AABB<T> math::AABB<T>::multiply(const AABB<value_type>& other_box) const +{ + AABB<value_type> result; + result.min.x = glm::max(min.x, other_box.min.x); + result.min.y = glm::max(min.y, other_box.min.y); + result.min.z = glm::max(min.z, other_box.min.z); + result.max.x = glm::min(max.x, other_box.max.x); + result.max.y = glm::min(max.y, other_box.max.y); + result.max.z = glm::min(max.z, other_box.max.z); + return result; +} + +template<math::arithmetic T> +constexpr math::AABB<T> math::AABB<T>::push(const vector_type& vector) const +{ + AABB<value_type> result; + result.min = min + vector; + result.max = max + vector; + return result; +} diff --git a/src/core/math/angles.hh b/src/core/math/angles.hh new file mode 100644 index 0000000..174f320 --- /dev/null +++ b/src/core/math/angles.hh @@ -0,0 +1,103 @@ +#pragma once + +#include "core/math/constexpr.hh" + +constexpr float A180 = math::radians(180.0f); +constexpr float A360 = math::radians(360.0f); + +namespace math +{ +float wrap_180(float angle); +float wrap_360(float angle); +} // namespace math + +namespace math +{ +glm::fvec3 wrap_180(const glm::fvec3& angles); +glm::fvec3 wrap_360(const glm::fvec3& angles); +} // namespace math + +namespace math +{ +void vectors(const glm::fvec3& angles, glm::fvec3& forward); +void vectors(const glm::fvec3& angles, glm::fvec3* forward, glm::fvec3* right, glm::fvec3* up); +} // namespace math + +inline float math::wrap_180(float angle) +{ + const auto result = std::fmod(angle + A180, A360); + + if(result < 0.0f) { + return result + A180; + } + + return result - A180; +} + +inline float math::wrap_360(float angle) +{ + return std::fmod(std::fmod(angle, A360) + A360, A360); +} + +inline glm::fvec3 math::wrap_180(const glm::fvec3& angles) +{ + return glm::fvec3 { + math::wrap_180(angles.x), + math::wrap_180(angles.y), + math::wrap_180(angles.z), + }; +} + +inline glm::fvec3 math::wrap_360(const glm::fvec3& angles) +{ + return glm::fvec3 { + math::wrap_360(angles.x), + math::wrap_360(angles.y), + math::wrap_360(angles.z), + }; +} + +inline void math::vectors(const glm::fvec3& angles, glm::fvec3& forward) +{ + const float cosp = std::cos(angles.x); + const float cosy = std::cos(angles.y); + const float sinp = std::sin(angles.x); + const float siny = std::sin(angles.y); + + forward.x = cosp * siny * (-1.0f); + forward.y = sinp; + forward.z = cosp * cosy * (-1.0f); +} + +inline void math::vectors(const glm::fvec3& angles, glm::fvec3* forward, glm::fvec3* right, glm::fvec3* up) +{ + if(!forward && !right && !up) { + // There's no point in figuring out + // direction vectors if nothing is passed + // in the function to store that stuff in + return; + } + + const auto pcv = glm::cos(angles); + const auto psv = glm::sin(angles); + const auto ncv = pcv * (-1.0f); + const auto nsv = psv * (-1.0f); + + if(forward) { + forward->x = pcv.x * nsv.y; + forward->y = psv.x; + forward->z = pcv.x * ncv.y; + } + + if(right) { + right->x = pcv.z * pcv.y; + right->y = psv.z * pcv.y; + right->z = nsv.y; + } + + if(up) { + up->x = psv.x * psv.y * pcv.z + ncv.y * psv.z; + up->y = pcv.x * pcv.z; + up->z = nsv.x * ncv.y * pcv.z + psv.y * psv.z; + } +} diff --git a/src/core/math/concepts.hh b/src/core/math/concepts.hh new file mode 100644 index 0000000..6ad5cb7 --- /dev/null +++ b/src/core/math/concepts.hh @@ -0,0 +1,11 @@ +#pragma once + +namespace math +{ +template<typename type> +concept arithmetic = std::is_arithmetic_v<type>; +template<typename type> +concept signed_arithmetic = std::is_arithmetic_v<type> && std::is_signed_v<type>; +template<typename type> +concept unsigned_arithmetic = std::is_arithmetic_v<type> && std::is_unsigned_v<type>; +} // namespace math diff --git a/src/core/math/constexpr.hh b/src/core/math/constexpr.hh new file mode 100644 index 0000000..4158803 --- /dev/null +++ b/src/core/math/constexpr.hh @@ -0,0 +1,72 @@ +#pragma once + +#include "core/math/concepts.hh" + +namespace math +{ +template<typename type, std::size_t size> +constexpr std::size_t array_size(const type (&)[size]); +} // namespace math + +namespace math +{ +template<std::integral scalar> +constexpr scalar log2(const scalar x); +template<std::signed_integral scalar> +constexpr scalar mod_signed(const scalar x, const scalar m); +template<math::signed_arithmetic result_scalar, math::arithmetic scalar> +constexpr result_scalar sign(const scalar x); +} // namespace math + +namespace math +{ +template<math::arithmetic scalar> +constexpr scalar degrees(const scalar x); +template<math::arithmetic scalar> +constexpr scalar radians(const scalar x); +} // namespace math + +template<typename type, std::size_t size> +constexpr std::size_t math::array_size(const type (&)[size]) +{ + return size; +} + +template<std::integral scalar> +constexpr scalar math::log2(const scalar x) +{ + if(x < static_cast<scalar>(2)) + return static_cast<scalar>(0); + return math::log2<scalar>((x + static_cast<scalar>(1)) >> 1) + static_cast<scalar>(1); +} + +template<std::signed_integral scalar> +constexpr scalar math::mod_signed(const scalar x, const scalar m) +{ + auto result = static_cast<scalar>(x % m); + if(result < static_cast<scalar>(0)) + return result + m; + return result; +} + +template<math::signed_arithmetic result_scalar, math::arithmetic scalar> +constexpr result_scalar math::sign(const scalar x) +{ + if(x < static_cast<scalar>(0)) + return static_cast<result_scalar>(-1); + if(x > static_cast<scalar>(0)) + return static_cast<result_scalar>(+1); + return static_cast<result_scalar>(0); +} + +template<math::arithmetic scalar> +constexpr scalar math::degrees(const scalar x) +{ + return static_cast<scalar>(static_cast<double>(x) * 180.0 / M_PI); +} + +template<math::arithmetic scalar> +constexpr scalar math::radians(const scalar x) +{ + return static_cast<scalar>(static_cast<double>(x) * M_PI / 180.0); +} diff --git a/src/core/math/crc64.cc b/src/core/math/crc64.cc new file mode 100644 index 0000000..99a4b20 --- /dev/null +++ b/src/core/math/crc64.cc @@ -0,0 +1,76 @@ +#include "core/pch.hh" + +#include "core/math/crc64.hh" + +// The lookup table for CRC64 checksum; this lookup +// table is generated using ECMA-182 compilant parameters: +// - Polynomial: `0x42F0E1EBA9EA3693` +// - Initial value: `0x0000000000000000` +// - Final xor: `0x0000000000000000` +// CRC Calculator: https://www.sunshine2k.de/coding/javascript/crc/crc_js.html +constexpr static const std::uint64_t crc_table[256] = { 0x0000000000000000, 0x42F0E1EBA9EA3693, 0x85E1C3D753D46D26, 0xC711223CFA3E5BB5, + 0x493366450E42ECDF, 0x0BC387AEA7A8DA4C, 0xCCD2A5925D9681F9, 0x8E224479F47CB76A, 0x9266CC8A1C85D9BE, 0xD0962D61B56FEF2D, + 0x17870F5D4F51B498, 0x5577EEB6E6BB820B, 0xDB55AACF12C73561, 0x99A54B24BB2D03F2, 0x5EB4691841135847, 0x1C4488F3E8F96ED4, + 0x663D78FF90E185EF, 0x24CD9914390BB37C, 0xE3DCBB28C335E8C9, 0xA12C5AC36ADFDE5A, 0x2F0E1EBA9EA36930, 0x6DFEFF5137495FA3, + 0xAAEFDD6DCD770416, 0xE81F3C86649D3285, 0xF45BB4758C645C51, 0xB6AB559E258E6AC2, 0x71BA77A2DFB03177, 0x334A9649765A07E4, + 0xBD68D2308226B08E, 0xFF9833DB2BCC861D, 0x388911E7D1F2DDA8, 0x7A79F00C7818EB3B, 0xCC7AF1FF21C30BDE, 0x8E8A101488293D4D, + 0x499B3228721766F8, 0x0B6BD3C3DBFD506B, 0x854997BA2F81E701, 0xC7B97651866BD192, 0x00A8546D7C558A27, 0x4258B586D5BFBCB4, + 0x5E1C3D753D46D260, 0x1CECDC9E94ACE4F3, 0xDBFDFEA26E92BF46, 0x990D1F49C77889D5, 0x172F5B3033043EBF, 0x55DFBADB9AEE082C, + 0x92CE98E760D05399, 0xD03E790CC93A650A, 0xAA478900B1228E31, 0xE8B768EB18C8B8A2, 0x2FA64AD7E2F6E317, 0x6D56AB3C4B1CD584, + 0xE374EF45BF6062EE, 0xA1840EAE168A547D, 0x66952C92ECB40FC8, 0x2465CD79455E395B, 0x3821458AADA7578F, 0x7AD1A461044D611C, + 0xBDC0865DFE733AA9, 0xFF3067B657990C3A, 0x711223CFA3E5BB50, 0x33E2C2240A0F8DC3, 0xF4F3E018F031D676, 0xB60301F359DBE0E5, + 0xDA050215EA6C212F, 0x98F5E3FE438617BC, 0x5FE4C1C2B9B84C09, 0x1D14202910527A9A, 0x93366450E42ECDF0, 0xD1C685BB4DC4FB63, + 0x16D7A787B7FAA0D6, 0x5427466C1E109645, 0x4863CE9FF6E9F891, 0x0A932F745F03CE02, 0xCD820D48A53D95B7, 0x8F72ECA30CD7A324, + 0x0150A8DAF8AB144E, 0x43A04931514122DD, 0x84B16B0DAB7F7968, 0xC6418AE602954FFB, 0xBC387AEA7A8DA4C0, 0xFEC89B01D3679253, + 0x39D9B93D2959C9E6, 0x7B2958D680B3FF75, 0xF50B1CAF74CF481F, 0xB7FBFD44DD257E8C, 0x70EADF78271B2539, 0x321A3E938EF113AA, + 0x2E5EB66066087D7E, 0x6CAE578BCFE24BED, 0xABBF75B735DC1058, 0xE94F945C9C3626CB, 0x676DD025684A91A1, 0x259D31CEC1A0A732, + 0xE28C13F23B9EFC87, 0xA07CF2199274CA14, 0x167FF3EACBAF2AF1, 0x548F120162451C62, 0x939E303D987B47D7, 0xD16ED1D631917144, + 0x5F4C95AFC5EDC62E, 0x1DBC74446C07F0BD, 0xDAAD56789639AB08, 0x985DB7933FD39D9B, 0x84193F60D72AF34F, 0xC6E9DE8B7EC0C5DC, + 0x01F8FCB784FE9E69, 0x43081D5C2D14A8FA, 0xCD2A5925D9681F90, 0x8FDAB8CE70822903, 0x48CB9AF28ABC72B6, 0x0A3B7B1923564425, + 0x70428B155B4EAF1E, 0x32B26AFEF2A4998D, 0xF5A348C2089AC238, 0xB753A929A170F4AB, 0x3971ED50550C43C1, 0x7B810CBBFCE67552, + 0xBC902E8706D82EE7, 0xFE60CF6CAF321874, 0xE224479F47CB76A0, 0xA0D4A674EE214033, 0x67C58448141F1B86, 0x253565A3BDF52D15, + 0xAB1721DA49899A7F, 0xE9E7C031E063ACEC, 0x2EF6E20D1A5DF759, 0x6C0603E6B3B7C1CA, 0xF6FAE5C07D3274CD, 0xB40A042BD4D8425E, + 0x731B26172EE619EB, 0x31EBC7FC870C2F78, 0xBFC9838573709812, 0xFD39626EDA9AAE81, 0x3A28405220A4F534, 0x78D8A1B9894EC3A7, + 0x649C294A61B7AD73, 0x266CC8A1C85D9BE0, 0xE17DEA9D3263C055, 0xA38D0B769B89F6C6, 0x2DAF4F0F6FF541AC, 0x6F5FAEE4C61F773F, + 0xA84E8CD83C212C8A, 0xEABE6D3395CB1A19, 0x90C79D3FEDD3F122, 0xD2377CD44439C7B1, 0x15265EE8BE079C04, 0x57D6BF0317EDAA97, + 0xD9F4FB7AE3911DFD, 0x9B041A914A7B2B6E, 0x5C1538ADB04570DB, 0x1EE5D94619AF4648, 0x02A151B5F156289C, 0x4051B05E58BC1E0F, + 0x87409262A28245BA, 0xC5B073890B687329, 0x4B9237F0FF14C443, 0x0962D61B56FEF2D0, 0xCE73F427ACC0A965, 0x8C8315CC052A9FF6, + 0x3A80143F5CF17F13, 0x7870F5D4F51B4980, 0xBF61D7E80F251235, 0xFD913603A6CF24A6, 0x73B3727A52B393CC, 0x31439391FB59A55F, + 0xF652B1AD0167FEEA, 0xB4A25046A88DC879, 0xA8E6D8B54074A6AD, 0xEA16395EE99E903E, 0x2D071B6213A0CB8B, 0x6FF7FA89BA4AFD18, + 0xE1D5BEF04E364A72, 0xA3255F1BE7DC7CE1, 0x64347D271DE22754, 0x26C49CCCB40811C7, 0x5CBD6CC0CC10FAFC, 0x1E4D8D2B65FACC6F, + 0xD95CAF179FC497DA, 0x9BAC4EFC362EA149, 0x158E0A85C2521623, 0x577EEB6E6BB820B0, 0x906FC95291867B05, 0xD29F28B9386C4D96, + 0xCEDBA04AD0952342, 0x8C2B41A1797F15D1, 0x4B3A639D83414E64, 0x09CA82762AAB78F7, 0x87E8C60FDED7CF9D, 0xC51827E4773DF90E, + 0x020905D88D03A2BB, 0x40F9E43324E99428, 0x2CFFE7D5975E55E2, 0x6E0F063E3EB46371, 0xA91E2402C48A38C4, 0xEBEEC5E96D600E57, + 0x65CC8190991CB93D, 0x273C607B30F68FAE, 0xE02D4247CAC8D41B, 0xA2DDA3AC6322E288, 0xBE992B5F8BDB8C5C, 0xFC69CAB42231BACF, + 0x3B78E888D80FE17A, 0x7988096371E5D7E9, 0xF7AA4D1A85996083, 0xB55AACF12C735610, 0x724B8ECDD64D0DA5, 0x30BB6F267FA73B36, + 0x4AC29F2A07BFD00D, 0x08327EC1AE55E69E, 0xCF235CFD546BBD2B, 0x8DD3BD16FD818BB8, 0x03F1F96F09FD3CD2, 0x41011884A0170A41, + 0x86103AB85A2951F4, 0xC4E0DB53F3C36767, 0xD8A453A01B3A09B3, 0x9A54B24BB2D03F20, 0x5D45907748EE6495, 0x1FB5719CE1045206, + 0x919735E51578E56C, 0xD367D40EBC92D3FF, 0x1476F63246AC884A, 0x568617D9EF46BED9, 0xE085162AB69D5E3C, 0xA275F7C11F7768AF, + 0x6564D5FDE549331A, 0x279434164CA30589, 0xA9B6706FB8DFB2E3, 0xEB46918411358470, 0x2C57B3B8EB0BDFC5, 0x6EA7525342E1E956, + 0x72E3DAA0AA188782, 0x30133B4B03F2B111, 0xF7021977F9CCEAA4, 0xB5F2F89C5026DC37, 0x3BD0BCE5A45A6B5D, 0x79205D0E0DB05DCE, + 0xBE317F32F78E067B, 0xFCC19ED95E6430E8, 0x86B86ED5267CDBD3, 0xC4488F3E8F96ED40, 0x0359AD0275A8B6F5, 0x41A94CE9DC428066, + 0xCF8B0890283E370C, 0x8D7BE97B81D4019F, 0x4A6ACB477BEA5A2A, 0x089A2AACD2006CB9, 0x14DEA25F3AF9026D, 0x562E43B4931334FE, + 0x913F6188692D6F4B, 0xD3CF8063C0C759D8, 0x5DEDC41A34BBEEB2, 0x1F1D25F19D51D821, 0xD80C07CD676F8394, 0x9AFCE626CE85B507 }; + +std::uint64_t math::crc64(const void* buffer, std::size_t size, std::uint64_t combine) +{ + auto data = reinterpret_cast<const std::uint8_t*>(buffer); + for(std::size_t i = 0; i < size; ++i) + combine = crc_table[((combine >> 56) ^ data[i]) & 0xFF] ^ (combine << 8); + return combine; +} + +std::uint64_t math::crc64(const std::vector<std::byte>& buffer, std::uint64_t combine) +{ + return math::crc64(buffer.data(), buffer.size(), combine); +} + +std::uint64_t math::crc64(const std::string& buffer, std::uint64_t combine) +{ + return math::crc64(buffer.data(), buffer.size(), combine); +} + +std::uint64_t math::crc64(std::string_view buffer, std::uint64_t combine) +{ + return math::crc64(buffer.data(), buffer.size(), combine); +} diff --git a/src/core/math/crc64.hh b/src/core/math/crc64.hh new file mode 100644 index 0000000..3ece0df --- /dev/null +++ b/src/core/math/crc64.hh @@ -0,0 +1,9 @@ +#pragma once + +namespace math +{ +std::uint64_t crc64(const void* buffer, std::size_t size, std::uint64_t combine = UINT64_C(0)); +std::uint64_t crc64(const std::vector<std::byte>& buffer, std::uint64_t combine = UINT64_C(0)); +std::uint64_t crc64(const std::string& buffer, std::uint64_t combine = UINT64_C(0)); +std::uint64_t crc64(std::string_view buffer, std::uint64_t combine = UINT64_C(0)); +} // namespace math diff --git a/src/core/math/vectors.hh b/src/core/math/vectors.hh new file mode 100644 index 0000000..bc11dd0 --- /dev/null +++ b/src/core/math/vectors.hh @@ -0,0 +1,43 @@ +#pragma once + +#include "core/math/concepts.hh" + +// core/vectors.hh - because NO ONE would POSSIBLY +// need integer-based distance calculations in a +// game about voxels. That would be INSANE! :D + +namespace math +{ +template<math::arithmetic T> +constexpr static inline const T length2(const glm::vec<2, T>& vector); +template<math::arithmetic T> +constexpr static inline const T length2(const glm::vec<3, T>& vector); +template<math::arithmetic T> +constexpr static inline const T distance2(const glm::vec<2, T>& vector_a, const glm::vec<2, T>& vector_b); +template<math::arithmetic T> +constexpr static inline const T distance2(const glm::vec<3, T>& vector_a, const glm::vec<3, T>& vector_b); +} // namespace math + +template<math::arithmetic T> +constexpr static inline const T math::length2(const glm::vec<2, T>& vector) +{ + return (vector.x * vector.x) + (vector.y * vector.y); +} + +template<math::arithmetic T> +constexpr static inline const T math::length2(const glm::vec<3, T>& vector) +{ + return (vector.x * vector.x) + (vector.y * vector.y) + (vector.z * vector.z); +} + +template<math::arithmetic T> +constexpr static inline const T math::distance2(const glm::vec<2, T>& vector_a, const glm::vec<2, T>& vector_b) +{ + return math::length2(vector_a - vector_b); +} + +template<math::arithmetic T> +constexpr static inline const T math::distance2(const glm::vec<3, T>& vector_a, const glm::vec<3, T>& vector_b) +{ + return math::length2(vector_a - vector_b); +} diff --git a/src/core/pch.hh b/src/core/pch.hh new file mode 100644 index 0000000..17417a5 --- /dev/null +++ b/src/core/pch.hh @@ -0,0 +1,49 @@ +#pragma once + +#include <cinttypes> +#include <cmath> +#include <cstdarg> +#include <cstddef> +#include <cstdint> + +#include <algorithm> +#include <chrono> +#include <concepts> +#include <filesystem> +#include <format> +#include <iostream> +#include <limits> +#include <mutex> +#include <random> +#include <sstream> +#include <stdexcept> +#include <thread> +#include <type_traits> +#include <typeindex> +#include <unordered_map> +#include <unordered_set> +#include <vector> + +#include <BS_thread_pool.hpp> + +#include <emhash/hash_table8.hpp> + +#include <enet/enet.h> + +#include <glm/fwd.hpp> + +#include <glm/mat4x4.hpp> +#include <glm/vec2.hpp> +#include <glm/vec3.hpp> +#include <glm/vec4.hpp> + +#include <glm/gtc/matrix_transform.hpp> +#include <glm/gtc/quaternion.hpp> +#include <glm/gtc/type_ptr.hpp> + +#include <physfs.h> + +#include <spdlog/spdlog.h> + +#include <stb_image.h> +#include <stb_image_write.h> diff --git a/src/core/resource/CMakeLists.txt b/src/core/resource/CMakeLists.txt new file mode 100644 index 0000000..840b3c2 --- /dev/null +++ b/src/core/resource/CMakeLists.txt @@ -0,0 +1,5 @@ +target_sources(core PRIVATE + "${CMAKE_CURRENT_LIST_DIR}/image.cc" + "${CMAKE_CURRENT_LIST_DIR}/image.hh" + "${CMAKE_CURRENT_LIST_DIR}/resource.cc" + "${CMAKE_CURRENT_LIST_DIR}/resource.hh") diff --git a/src/core/resource/image.cc b/src/core/resource/image.cc new file mode 100644 index 0000000..8ab98db --- /dev/null +++ b/src/core/resource/image.cc @@ -0,0 +1,81 @@ +#include "core/pch.hh" + +#include "core/resource/image.hh" + +#include "core/resource/resource.hh" + +#include "core/io/physfs.hh" + +static int stbi_physfs_read(void* context, char* data, int size) +{ + return static_cast<int>(PHYSFS_readBytes(reinterpret_cast<PHYSFS_File*>(context), data, size)); +} + +static void stbi_physfs_skip(void* context, int count) +{ + auto file = reinterpret_cast<PHYSFS_File*>(context); + PHYSFS_seek(file, PHYSFS_tell(file) + count); +} + +static int stbi_physfs_eof(void* context) +{ + return PHYSFS_eof(reinterpret_cast<PHYSFS_File*>(context)); +} + +static const void* image_load_func(const char* name, std::uint32_t flags) +{ + assert(name); + + stbi_io_callbacks callbacks; + callbacks.read = &stbi_physfs_read; + callbacks.skip = &stbi_physfs_skip; + callbacks.eof = &stbi_physfs_eof; + + stbi_set_flip_vertically_on_load(bool(flags & IMAGE_LOAD_FLIP)); + + auto file = PHYSFS_openRead(name); + + if(file == nullptr) { + spdlog::error("image: {}: {}", name, io::physfs_error()); + return nullptr; + } + + int desired_channels; + + if(flags & IMAGE_LOAD_GRAY) { + desired_channels = STBI_grey; + } + else { + desired_channels = STBI_rgb_alpha; + } + + int width, height, channels; + auto pixels = stbi_load_from_callbacks(&callbacks, file, &width, &height, &channels, desired_channels); + + PHYSFS_close(file); + + if(pixels == nullptr) { + spdlog::error("image: {}: {}", name, stbi_failure_reason()); + return nullptr; + } + + auto image = new Image; + image->pixels = pixels; + image->size = glm::ivec2(width, height); + return image; +} + +static void image_free_func(const void* resource) +{ + assert(resource); + + auto image = reinterpret_cast<const Image*>(resource); + stbi_image_free(image->pixels); + + delete image; +} + +void Image::register_resource(void) +{ + resource::register_loader<Image>(&image_load_func, &image_free_func); +} diff --git a/src/core/resource/image.hh b/src/core/resource/image.hh new file mode 100644 index 0000000..575591f --- /dev/null +++ b/src/core/resource/image.hh @@ -0,0 +1,11 @@ +#pragma once + +constexpr static unsigned int IMAGE_LOAD_GRAY = 0x0001U; +constexpr static unsigned int IMAGE_LOAD_FLIP = 0x0002U; + +struct Image final { + static void register_resource(void); + + stbi_uc* pixels; + glm::ivec2 size; +}; diff --git a/src/core/resource/resource.cc b/src/core/resource/resource.cc new file mode 100644 index 0000000..926dfc5 --- /dev/null +++ b/src/core/resource/resource.cc @@ -0,0 +1,126 @@ +#include "core/pch.hh" + +#include "core/resource/resource.hh" + +struct ResourceLoader final { + ResourceLoadFunc load_func; + ResourceFreeFunc free_func; + emhash8::HashMap<std::string, std::shared_ptr<const void>> resources; + std::vector<std::shared_ptr<const void>> cache; + std::string class_name; +}; + +static emhash8::HashMap<std::type_index, std::unique_ptr<ResourceLoader>> loaders; + +void resource::detail::register_loader(const std::type_info& type, ResourceLoadFunc load_func, ResourceFreeFunc free_func) +{ + assert(load_func); + assert(free_func); + + auto type_index = std::type_index(type); + auto loader = std::make_unique<ResourceLoader>(); + loader->class_name = type.name(); + loader->load_func = load_func; + loader->free_func = free_func; + + assert(!loaders.contains(type_index)); + + loaders.insert_or_assign(type_index, std::move(loader)); +} + +std::shared_ptr<const void> resource::detail::load_resource(const std::type_info& type, std::string_view name, std::uint32_t flags) +{ + auto name_str = std::string(name); + auto type_index = std::type_index(type); + auto loader = loaders.find(type_index); + + if(loader == loaders.cend()) { + spdlog::error("resource: no loader registered for type [{}]", type.name()); + return nullptr; + } + + auto resource_it = loader->second->resources.find(name_str); + + if(resource_it == loader->second->resources.cend()) { + auto resource_raw = loader->second->load_func(name_str.c_str(), flags); + + if(resource_raw == nullptr) { + spdlog::error("resource: {} [{}]: load failed", loader->second->class_name, name); + return nullptr; + } + + std::shared_ptr<const void> resource_ptr(resource_raw, [](const void* ptr) { /* empty */ }); + auto loaded_it = loader->second->resources.insert_or_assign(name_str, std::move(resource_ptr)); + + if(flags & RESOURCE_CACHE) { + loader->second->cache.push_back(loaded_it.first->second); + } + + return loaded_it.first->second; + } + + return resource_it->second; +} + +std::shared_ptr<const void> resource::detail::find_resource(const std::type_info& type, std::string_view name) +{ + auto name_str = std::string(name); + auto type_index = std::type_index(type); + auto loader = loaders.find(type_index); + + if(loader == loaders.cend()) { + spdlog::error("resource: no loader registered for type [{}]", type.name()); + return nullptr; + } + + auto resource_it = loader->second->resources.find(name_str); + + if(resource_it == loader->second->resources.cend()) { + spdlog::error("resource: {} [{}]: not found", loader->second->class_name, name); + return nullptr; + } + + return resource_it->second; +} + +void resource::hard_cleanup(void) +{ + for(auto& [type_index, loader] : loaders) { + loader->cache.clear(); + + for(auto& [name, resource_ptr] : loader->resources) { + if(resource_ptr.use_count() > 1) { + spdlog::warn("resource: zombie resource: {} [{}] [use_count={}]", name, loader->class_name, resource_ptr.use_count()); + } + else { + spdlog::debug("resource: releasing {} [{}]", name, loader->class_name); + } + + loader->free_func(resource_ptr.get()); + } + + loader->resources.clear(); + } + + loaders.clear(); +} + +void resource::soft_cleanup(void) +{ + for(auto& [type_index, loader] : loaders) { + auto resource_it = loader->resources.begin(); + + while(resource_it != loader->resources.end()) { + if(resource_it->second.use_count() <= 1) { + spdlog::debug("resource: releasing {} [{}]", resource_it->first, loader->class_name); + + loader->free_func(resource_it->second.get()); + resource_it = loader->resources.erase(resource_it); + + continue; + } + + resource_it = std::next(resource_it); + } + } +} diff --git a/src/core/resource/resource.hh b/src/core/resource/resource.hh new file mode 100644 index 0000000..105c7ff --- /dev/null +++ b/src/core/resource/resource.hh @@ -0,0 +1,53 @@ +#pragma once + +template<typename T> +using resource_ptr = std::shared_ptr<const T>; + +constexpr std::uint32_t RESOURCE_CACHE = 0x00000001U; ///< Cache the resource after loading +constexpr std::uint32_t RESOURCE_USER = 0xFFFFFF00U; ///< User-defined flags for custom behavior + +using ResourceLoadFunc = const void* (*)(const char* name, std::uint32_t flags); +using ResourceFreeFunc = void (*)(const void* resource); + +namespace resource::detail +{ +void register_loader(const std::type_info& type, ResourceLoadFunc load_func, ResourceFreeFunc free_func); +resource_ptr<void> load_resource(const std::type_info& type, std::string_view name, std::uint32_t flags); +resource_ptr<void> find_resource(const std::type_info& type, std::string_view name); +} // namespace resource::detail + +namespace resource +{ +template<typename T> +void register_loader(ResourceLoadFunc load_func, ResourceFreeFunc free_func); +template<typename T> +resource_ptr<T> load(std::string_view name, std::uint32_t flags = 0U); +template<typename T> +resource_ptr<T> find(std::string_view name); +} // namespace resource + +namespace resource +{ +void hard_cleanup(void); +void soft_cleanup(void); +} // namespace resource + +template<typename T> +void resource::register_loader(ResourceLoadFunc load_func, ResourceFreeFunc free_func) +{ + resource::detail::register_loader(typeid(T), load_func, free_func); +} + +template<typename T> +resource_ptr<T> resource::load(std::string_view name, std::uint32_t flags) +{ + auto result = resource::detail::load_resource(typeid(T), name, flags); + return std::reinterpret_pointer_cast<const T>(result); +} + +template<typename T> +resource_ptr<T> resource::find(std::string_view name) +{ + auto result = resource::detail::find_resource(typeid(T), name); + return std::reinterpret_pointer_cast<const T>(result); +} diff --git a/src/core/threading.cc b/src/core/threading.cc new file mode 100644 index 0000000..03c0e8e --- /dev/null +++ b/src/core/threading.cc @@ -0,0 +1,128 @@ +#include "core/pch.hh" + +#include "core/threading.hh" + +#include "core/io/cmdline.hh" + +#include "core/math/constexpr.hh" + +constexpr static std::string_view DEFAULT_POOL_SIZE_ARG = "4"; + +static BS::light_thread_pool* thread_pool; +static std::deque<Task*> task_deque; + +static void task_process(Task* task) +{ + task->set_status(task_status::PROCESSING); + task->process(); + + if(task->get_status() == task_status::PROCESSING) { + // If the task status is still PROCESSING + // it can be deduced it hasn't been cancelled + task->set_status(task_status::COMPLETED); + } +} + +task_status Task::get_status(void) const +{ + return m_status; +} + +void Task::set_status(task_status status) +{ + m_status = status; +} + +void threading::init(void) +{ + auto argument = io::cmdline::get("threads", DEFAULT_POOL_SIZE_ARG); + auto num_concurrent_threads = std::thread::hardware_concurrency(); + unsigned int thread_pool_size; + + if(num_concurrent_threads && 0 == argument.compare("max")) { + // Use the maximum available number of concurrent + // hardware threads provided by the implementation + thread_pool_size = num_concurrent_threads; + } + else { + if(num_concurrent_threads) { + auto result = std::from_chars(argument.data(), argument.data() + argument.size(), thread_pool_size); + + if(result.ec == std::errc()) { + thread_pool_size = glm::clamp<unsigned int>(thread_pool_size, 1U, num_concurrent_threads); + } + else { + thread_pool_size = 4U; + } + } + else { + auto result = std::from_chars(argument.data(), argument.data() + argument.size(), thread_pool_size); + + if(result.ec == std::errc()) { + thread_pool_size = glm::max<unsigned int>(thread_pool_size, 1U); + } + else { + thread_pool_size = 4U; + } + } + } + + spdlog::info("threading: using {} threads for pooling tasks", thread_pool_size); + + thread_pool = new BS::light_thread_pool(thread_pool_size); + + task_deque.clear(); +} + +void threading::shutdown(void) +{ + for(auto task : task_deque) { + auto status = task->get_status(); + if((status != task_status::CANCELLED) || (status != task_status::COMPLETED)) { + task->set_status(task_status::CANCELLED); + } + } + + thread_pool->purge(); + thread_pool->wait(); + + for(auto task : task_deque) + delete task; + task_deque.clear(); + + delete thread_pool; +} + +void threading::update(void) +{ + auto task_iter = task_deque.cbegin(); + + while(task_iter != task_deque.cend()) { + auto task_ptr = *task_iter; + auto status = task_ptr->get_status(); + + if(status == task_status::CANCELLED) { + delete task_ptr; + task_iter = task_deque.erase(task_iter); + continue; + } + + if(status == task_status::COMPLETED) { + task_ptr->finalize(); + delete task_ptr; + task_iter = task_deque.erase(task_iter); + continue; + } + + task_iter = std::next(task_iter); + } +} + +void threading::detail::submit_new(Task* task) +{ + task->set_status(task_status::ENQUEUED); + + static_cast<void>(thread_pool->submit_task(std::bind(&task_process, task))); + + task_deque.push_back(task); +} diff --git a/src/core/threading.hh b/src/core/threading.hh new file mode 100644 index 0000000..14f17f8 --- /dev/null +++ b/src/core/threading.hh @@ -0,0 +1,46 @@ +#pragma once + +enum class task_status : unsigned int { + ENQUEUED = 0x0000U, + PROCESSING = 0x0001U, + COMPLETED = 0x0002U, + CANCELLED = 0x0004U, +}; + +class Task { +public: + virtual ~Task(void) = default; + virtual void process(void) = 0; + virtual void finalize(void) = 0; + + task_status get_status(void) const; + void set_status(task_status status); + +protected: + std::atomic<task_status> m_status; + std::future<void> m_future; +}; + +namespace threading +{ +void init(void); +void shutdown(void); +void update(void); +} // namespace threading + +namespace threading::detail +{ +void submit_new(Task* task); +} // namespace threading::detail + +namespace threading +{ +template<typename T, typename... AT> +void submit(AT&&... args); +} // namespace threading + +template<typename T, typename... AT> +inline void threading::submit(AT&&... args) +{ + threading::detail::submit_new(new T(args...)); +} diff --git a/src/core/utils/CMakeLists.txt b/src/core/utils/CMakeLists.txt new file mode 100644 index 0000000..4f96261 --- /dev/null +++ b/src/core/utils/CMakeLists.txt @@ -0,0 +1,5 @@ +target_sources(core PRIVATE + "${CMAKE_CURRENT_LIST_DIR}/epoch.cc" + "${CMAKE_CURRENT_LIST_DIR}/epoch.hh" + "${CMAKE_CURRENT_LIST_DIR}/string.cc" + "${CMAKE_CURRENT_LIST_DIR}/string.hh") diff --git a/src/core/utils/epoch.cc b/src/core/utils/epoch.cc new file mode 100644 index 0000000..36bdb79 --- /dev/null +++ b/src/core/utils/epoch.cc @@ -0,0 +1,39 @@ +#include "core/pch.hh" + +#include "core/utils/epoch.hh" + +std::uint64_t utils::unix_seconds(void) +{ + const auto elapsed = std::chrono::system_clock::now().time_since_epoch(); + return static_cast<std::uint64_t>(std::chrono::duration_cast<std::chrono::seconds>(elapsed).count()); +} + +std::uint64_t utils::unix_milliseconds(void) +{ + const auto elapsed = std::chrono::system_clock::now().time_since_epoch(); + return static_cast<std::uint64_t>(std::chrono::duration_cast<std::chrono::milliseconds>(elapsed).count()); +} + +std::uint64_t utils::unix_microseconds(void) +{ + const auto elapsed = std::chrono::system_clock::now().time_since_epoch(); + return static_cast<std::uint64_t>(std::chrono::duration_cast<std::chrono::microseconds>(elapsed).count()); +} + +std::int64_t utils::signed_unix_seconds(void) +{ + const auto elapsed = std::chrono::system_clock::now().time_since_epoch(); + return static_cast<std::int64_t>(std::chrono::duration_cast<std::chrono::seconds>(elapsed).count()); +} + +std::int64_t utils::signed_unix_milliseconds(void) +{ + const auto elapsed = std::chrono::system_clock::now().time_since_epoch(); + return static_cast<std::int64_t>(std::chrono::duration_cast<std::chrono::milliseconds>(elapsed).count()); +} + +std::int64_t utils::signed_unix_microseconds(void) +{ + const auto elapsed = std::chrono::system_clock::now().time_since_epoch(); + return static_cast<std::int64_t>(std::chrono::duration_cast<std::chrono::microseconds>(elapsed).count()); +} diff --git a/src/core/utils/epoch.hh b/src/core/utils/epoch.hh new file mode 100644 index 0000000..4bf5460 --- /dev/null +++ b/src/core/utils/epoch.hh @@ -0,0 +1,15 @@ +#pragma once + +namespace utils +{ +std::uint64_t unix_seconds(void); +std::uint64_t unix_milliseconds(void); +std::uint64_t unix_microseconds(void); +} // namespace utils + +namespace utils +{ +std::int64_t signed_unix_seconds(void); +std::int64_t signed_unix_milliseconds(void); +std::int64_t signed_unix_microseconds(void); +} // namespace utils diff --git a/src/core/utils/string.cc b/src/core/utils/string.cc new file mode 100644 index 0000000..dd3d567 --- /dev/null +++ b/src/core/utils/string.cc @@ -0,0 +1,57 @@ +#include "core/pch.hh" + +#include "core/utils/string.hh" + +constexpr static const char* WHITESPACE_CHARS = " \t\r\n"; + +bool utils::is_whitespace(const std::string& string) +{ + if(string.find_first_not_of(WHITESPACE_CHARS) == std::string::npos) { + return true; + } + else if((string.size() == 1) && string[0] == 0x00) { + return true; + } + else { + return string.empty(); + } +} + +std::string utils::join(const std::vector<std::string>& strings, const std::string& separator) +{ + std::ostringstream stream; + for(const std::string& str : strings) + stream << str << separator; + return stream.str(); +} + +std::vector<std::string> utils::split(const std::string& string, const std::string& separator) +{ + std::size_t pos = 0; + std::size_t prev = 0; + std::vector<std::string> result; + + while((pos = string.find(separator, prev)) != std::string::npos) { + result.push_back(string.substr(prev, pos - prev)); + prev = pos + separator.length(); + } + + if(prev <= string.length()) { + result.push_back(string.substr(prev, string.length() - prev)); + } + + return result; +} + +std::string utils::trim_whitespace(const std::string& string) +{ + auto su = string.find_first_not_of(WHITESPACE_CHARS); + auto sv = string.find_last_not_of(WHITESPACE_CHARS); + + if(su == std::string::npos) { + return std::string(); + } + else { + return string.substr(su, sv - su + 1); + } +} diff --git a/src/core/utils/string.hh b/src/core/utils/string.hh new file mode 100644 index 0000000..827c3ca --- /dev/null +++ b/src/core/utils/string.hh @@ -0,0 +1,17 @@ +#pragma once + +namespace utils +{ +bool is_whitespace(const std::string& string); +} // namespace utils + +namespace utils +{ +std::string join(const std::vector<std::string>& strings, const std::string& separator); +std::vector<std::string> split(const std::string& string, const std::string& separator); +} // namespace utils + +namespace utils +{ +std::string trim_whitespace(const std::string& string); +} // namespace utils diff --git a/src/core/version.cc b/src/core/version.cc new file mode 100644 index 0000000..f508aa0 --- /dev/null +++ b/src/core/version.cc @@ -0,0 +1,15 @@ +#include "core/pch.hh" + +#include "core/version.hh" + +// clang-format off +const unsigned short version::major = 16; +const unsigned short version::minor = 0; +const unsigned short version::patch = 1; +// clang-format on + +const std::string_view version::commit = "d304b608"; +const std::string_view version::branch = "master"; +const std::string_view version::triplet = "16.0.1"; + +const std::string_view version::full = "16.0.1-d304b608"; diff --git a/src/core/version.cc.in b/src/core/version.cc.in new file mode 100644 index 0000000..5424a73 --- /dev/null +++ b/src/core/version.cc.in @@ -0,0 +1,15 @@ +#include "core/pch.hh" + +#include "core/version.hh" + +// clang-format off +const unsigned short version::major = ${PROJECT_VERSION_MAJOR}; +const unsigned short version::minor = ${PROJECT_VERSION_MINOR}; +const unsigned short version::patch = ${PROJECT_VERSION_PATCH}; +// clang-format on + +const std::string_view version::commit = "${GIT_COMMIT}"; +const std::string_view version::branch = "${GIT_BRANCH}"; +const std::string_view version::triplet = "${PROJECT_VERSION}"; + +const std::string_view version::full = "${PROJECT_VERSION}-${GIT_COMMIT}"; diff --git a/src/core/version.hh b/src/core/version.hh new file mode 100644 index 0000000..c033a3e --- /dev/null +++ b/src/core/version.hh @@ -0,0 +1,20 @@ +#pragma once + +namespace version +{ +extern const unsigned short major; +extern const unsigned short minor; +extern const unsigned short patch; +} // namespace version + +namespace version +{ +extern const std::string_view commit; +extern const std::string_view branch; +extern const std::string_view triplet; +} // namespace version + +namespace version +{ +extern const std::string_view full; +} // namespace version |