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#include "FixupMap.h"
#include <fstream>
#include <iostream>
#include <vector>
#include "i18n.h"
#include "iscenegraph.h"
#include "iundo.h"
#include "ui/imainframe.h"
#include "ieclass.h"
#include "wxutil/dialog/MessageBox.h"
#include "os/file.h"
#include "string/string.h"
#include "parser/Tokeniser.h"
#include "ShaderReplacer.h"
#include "SpawnargReplacer.h"
#include "DeprecatedEclassCollector.h"
#include <regex>
#include "string/predicate.h"
FixupMap::FixupMap(const std::string& filename) :
_filename(filename),
_progress(_("Fixup in progress"))
{}
FixupMap::Result FixupMap::perform()
{
UndoableCommand cmd("performFixup");
// Load contents
loadFixupFile();
// Load deprecated entities
loadDeprecatedEntities();
// Instantiate a line tokeniser
parser::BasicStringTokeniser tokeniser(_contents, "\n\r");
_curLineNumber = 0;
std::size_t parsedSize = 0;
while (tokeniser.hasMoreTokens())
{
_curLineNumber++;
std::string line = tokeniser.nextToken();
performFixup(line);
// Approximate the progress
parsedSize += line.size();
try
{
double fraction = static_cast<double>(parsedSize) / _contents.size();
_progress.setTextAndFraction(
fmt::format(_("Processing line {0}..."), _curLineNumber),
fraction);
}
catch (wxutil::ModalProgressDialog::OperationAbortedException& ex)
{
wxutil::Messagebox box(_("Fixup cancelled"), ex.what(), ui::IDialog::MESSAGE_ERROR);
box.run();
return _result;
}
}
_progress.setTextAndFraction(_("Completed"), 1.0);
return _result;
}
void FixupMap::performFixup(const std::string& line)
{
// Skip empty lines and comments
if (line.empty() ||
string::starts_with(line, "#") ||
string::starts_with(line, "//"))
{
return;
}
std::regex expr("^" + MATERIAL_PREFIX + "(.*)\\s=>\\s(.*)$");
std::smatch matches;
if (std::regex_match(line, matches, expr))
{
// Fixup a specific shader
std::string oldShader = matches[1];
std::string newShader = matches[2];
replaceShader(oldShader, newShader);
return;
}
expr = std::regex("^" + ENTITYDEF_PREFIX + "(.*)\\s=>\\s(.*)$");
if (std::regex_match(line, matches, expr))
{
// Fixup a specific entitydef
std::string oldDef = matches[1];
std::string newDef = matches[2];
// Search all spawnargs
replaceSpawnarg(oldDef, newDef);
return;
}
// No specific prefix, this can be everything: spawnarg or texture
expr = std::regex("^(.*)\\s=>\\s(.*)$");
if (std::regex_match(line, matches, expr))
{
std::string oldStr = matches[1];
std::string newStr = matches[2];
// First, try to use these strings as shader replacement
replaceShader(oldStr, newStr);
// Second, traverse all entities and fix them up
replaceSpawnarg(oldStr, newStr);
return;
}
}
void FixupMap::replaceSpawnarg(const std::string& oldVal, const std::string& newVal)
{
SpawnargReplacer replacer(oldVal, newVal);
GlobalSceneGraph().root()->traverseChildren(replacer);
replacer.processEntities();
_result.replacedModels += replacer.getModelCount();
_result.replacedEntities += replacer.getEclassCount();
_result.replacedMisc += replacer.getOtherCount();
}
void FixupMap::replaceShader(const std::string& oldShader, const std::string& newShader)
{
// Instantiate a walker
ShaderReplacer replacer(oldShader, newShader);
GlobalSceneGraph().root()->traverseChildren(replacer);
_result.replacedShaders += replacer.getReplaceCount();
}
void FixupMap::loadFixupFile()
{
// Sanity-check the file
if (!os::fileOrDirExists(_filename) || !os::fileIsReadable(_filename))
{
wxutil::Messagebox::Show(_("File not readable"),
_("The specified file doesn't exist."), ui::IDialog::MESSAGE_ERROR);
return;
}
// Load the file's contents
std::ifstream input;
input.open(_filename.c_str(), std::ios::in|std::ios::ate);
if (!input)
{
wxutil::Messagebox::Show(_("File not readable"),
_("The specified file can't be opened."), ui::IDialog::MESSAGE_ERROR);
return;
}
std::vector<char> buffer;
buffer.resize(input.tellg());
input.seekg(0, std::ios::beg);
input.read(&buffer.front(), buffer.size());
input.close();
_contents = &buffer.front();
}
void FixupMap::loadDeprecatedEntities()
{
// Traverse all eclasses and collect replacements
DeprecatedEclassCollector collector;
GlobalEntityClassManager().forEachEntityClass(collector);
_contents += "\n";
_contents += collector.getFixupCode();
}
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