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Added support for a %PRECOMMAND% launch command variable

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This commit is contained in:
Leon Styhre 2023-09-22 17:35:32 +02:00
parent 213464a324
commit 4eeb328daa
2 changed files with 70 additions and 9 deletions
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69
es-app/src/FileData.cpp
View file

@ -986,10 +986,61 @@ void FileData::launchGame()
// Expand home path if ~ is used.
command = Utils::FileSystem::expandHomePath(command);
// Check that the emulator binary actually exists, and if so, get its path.
const std::string& binaryPath {findEmulatorPath(command)};
std::string preCommandPath;
// Hack to show an error message if there was no emulator entry in es_find_rules.xml.
// Check for any pre-command entry, and if it exists then expand it using the find rules.
if (command.find("%PRECOMMAND_") != std::string::npos) {
preCommandPath = findEmulatorPath(command, true);
// Show an error message if there was no matching emulator entry in es_find_rules.xml.
if (preCommandPath.substr(0, 18) == "NO EMULATOR RULE: ") {
const std::string& preCommandEntry {
preCommandPath.substr(18, preCommandPath.size() - 18)};
LOG(LogError)
<< "Couldn't launch game, either there is no emulator entry for pre-command \""
<< preCommandEntry << "\" in es_find_rules.xml or there are no rules defined";
LOG(LogError) << "Raw emulator launch command:";
LOG(LogError) << commandRaw;
window->queueInfoPopup("ERROR: MISSING PRE-COMMAND FIND RULES CONFIGURATION FOR '" +
preCommandEntry + "'",
6000);
window->setAllowTextScrolling(true);
window->setAllowFileAnimation(true);
return;
}
else if (preCommandPath.empty()) {
LOG(LogError) << "Couldn't launch game, pre-command binary not found";
LOG(LogError) << "Raw emulator launch command:";
LOG(LogError) << commandRaw;
std::string emulatorName;
size_t startPos {0};
size_t endPos {0};
if ((startPos = command.find("%PRECOMMAND_")) != std::string::npos) {
endPos = command.find("%", startPos + 1);
if (endPos != std::string::npos)
emulatorName = command.substr(startPos + 12, endPos - startPos - 12);
}
if (emulatorName == "")
window->queueInfoPopup(
"ERROR: COULDN'T FIND PRE-COMMAND, HAS IT BEEN PROPERLY INSTALLED?", 6000);
else
window->queueInfoPopup("ERROR: COULDN'T FIND PRE-COMMAND '" + emulatorName +
"', HAS IT BEEN PROPERLY INSTALLED?",
6000);
window->setAllowTextScrolling(true);
window->setAllowFileAnimation(true);
return;
}
}
// Check that the emulator binary actually exists, and if so, get its path.
const std::string& binaryPath {findEmulatorPath(command, false)};
// Show an error message if there was no matching emulator entry in es_find_rules.xml.
if (binaryPath.substr(0, 18) == "NO EMULATOR RULE: ") {
const std::string& emulatorEntry {binaryPath.substr(18, binaryPath.size() - 18)};
LOG(LogError) << "Couldn't launch game, either there is no emulator entry for \""
@ -1667,7 +1718,7 @@ void FileData::launchGame()
gameToUpdate->mSystem->onMetaDataSavePoint();
}
const std::string FileData::findEmulatorPath(std::string& command)
const std::string FileData::findEmulatorPath(std::string& command, const bool preCommand)
{
// Extract the emulator executable from the launch command string. There are two ways
// that the emulator can be defined in es_systems.xml, either using the find rules in
@ -1691,11 +1742,20 @@ const std::string FileData::findEmulatorPath(std::string& command)
size_t startPos {0};
size_t endPos {0};
if (preCommand) {
if ((startPos = command.find("%PRECOMMAND_")) != std::string::npos) {
endPos = command.find("%", startPos + 1);
if (endPos != std::string::npos)
emulatorEntry = command.substr(startPos + 12, endPos - startPos - 12);
}
}
else {
if ((startPos = command.find("%EMULATOR_")) != std::string::npos) {
endPos = command.find("%", startPos + 1);
if (endPos != std::string::npos)
emulatorEntry = command.substr(startPos + 10, endPos - startPos - 10);
}
}
if (emulatorEntry != "") {
#if defined(_WIN64)
@ -1705,6 +1765,7 @@ const std::string FileData::findEmulatorPath(std::string& command)
SystemData::sFindRules.get()->mEmulators[emulatorEntry].winRegistryValues;
#endif
emulatorSystemPaths = SystemData::sFindRules.get()->mEmulators[emulatorEntry].systemPaths;
emulatorStaticPaths = SystemData::sFindRules.get()->mEmulators[emulatorEntry].staticPaths;
}

2
es-app/src/FileData.h
View file

@ -123,7 +123,7 @@ public:
const std::string& getSystemName() const { return mSystemName; }
void launchGame();
const std::string findEmulatorPath(std::string& command);
const std::string findEmulatorPath(std::string& command, const bool preCommand);
using ComparisonFunction = bool(const FileData* a, const FileData* b);
struct SortType {