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https://github.com/rwengine/openrw.git
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c302f10b19
For now, there's only single OS-dependent bit of code, it it should be handled on FreeBSD just like on Linux. While here, change macro testing from #if XXX to #if defined(XXX), this is clener and not prone to "undefined macro" errors
97 lines
1.9 KiB
C++
97 lines
1.9 KiB
C++
#include "GameConfig.hpp"
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#include <rw/defines.hpp>
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#include <cstring>
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#include <cstdlib>
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#include <ini.h>
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const std::string kConfigDirectoryName("OpenRW");
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GameConfig::GameConfig(const std::string& configName, const std::string& configPath)
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: m_configName(configName)
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, m_configPath(configPath)
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, m_valid(false)
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, m_inputInvertY(false)
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{
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if (m_configPath.empty())
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{
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m_configPath = getDefaultConfigPath();
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}
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// Look up the path to use
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auto configFile = getConfigFile();
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if (ini_parse(configFile.c_str(), handler, this) < 0)
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{
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m_valid = false;
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}
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else
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{
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m_valid = true;
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}
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}
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std::string GameConfig::getConfigFile()
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{
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return m_configPath + "/" + m_configName;
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}
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bool GameConfig::isValid()
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{
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return m_valid;
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}
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std::string GameConfig::getDefaultConfigPath()
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{
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#if defined(RW_LINUX) || defined(RW_FREEBSD)
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char* config_home = getenv("XDG_CONFIG_HOME");
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if (config_home != nullptr) {
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return std::string(config_home) + "/" + kConfigDirectoryName;
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}
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char* home = getenv("HOME");
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if (home != nullptr) {
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return std::string(home) + "/.config/" + kConfigDirectoryName;
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}
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#elif defined(RW_OSX)
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char* home = getenv("HOME");
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if (home)
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return std::string(home) + "/Library/Preferences/" + kConfigDirectoryName;
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#else
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#error Dont know how to find default config path
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#endif
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// Well now we're stuck.
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RW_ERROR("No default config path found.");
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return ".";
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}
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int GameConfig::handler(void* user,
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const char* section,
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const char* name,
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const char* value)
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{
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auto self = static_cast<GameConfig*>(user);
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#define MATCH(_s, _n) (strcmp(_s, section) == 0 && strcmp(_n, name) == 0)
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if (MATCH("game", "path"))
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{
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self->m_gamePath = value;
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}
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else if (MATCH("input", "invert_y"))
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{
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self->m_inputInvertY = atoi(value) > 0;
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}
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else
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{
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RW_MESSAGE("Unhandled config entry [" << section << "] " << name << " = " << value);
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return 0;
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}
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return 1;
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#undef MATCH
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}
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