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OpenMW is an open implementation of the Morrowind engine
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123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189#include "defines.hpp"
#include <algorithm>#include <sstream>#include <string>#include <string_view>#include <tuple>#include <vector>
#include <components/debug/debuglog.hpp>#include <components/misc/strings/algorithm.hpp>
namespace{
bool check(std::string_view str, std::string_view escword, size_t& i, size_t& start) { bool found = Misc::StringUtils::ciStartsWith(str, escword); if (found) { i += escword.length(); start = i + 1; } return found; }
std::vector<std::string> globals; const std::initializer_list<std::tuple<std::string_view, std::string_view>> sActionBindings{ { "actionslideright", "#{sRight}" }, { "actionreadymagic", "#{sReady_Magic}" }, { "actionprevweapon", "#{sPrevWeapon}" }, { "actionnextweapon", "#{sNextWeapon}" }, { "actiontogglerun", "#{sAuto_Run}" }, { "actionslideleft", "#{sLeft}" }, { "actionreadyitem", "#{sReady_Weapon}" }, { "actionprevspell", "#{sPrevSpell}" }, { "actionnextspell", "#{sNextSpell}" }, { "actionrestmenu", "#{sRestKey}" }, { "actionmenumode", "#{sInventory}" }, { "actionactivate", "#{sActivate}" }, { "actionjournal", "#{sJournal}" }, { "actionforward", "#{sForward}" }, { "actioncrouch", "#{sCrouch_Sneak}" }, { "actionjump", "#{sJump}" }, { "actionback", "#{sBack}" }, { "actionuse", "#{sUse}" }, { "actionrun", "#{sRun}" }, }; using ContextMethod = std::string_view (Interpreter::Context::*)() const; const std::initializer_list<std::tuple<std::string_view, std::pair<ContextMethod, ContextMethod>>> sContextMethods{ { "nextpcrank", { &Interpreter::Context::getPCNextRank, nullptr } }, { "pcnextrank", { &Interpreter::Context::getPCNextRank, nullptr } }, { "faction", { &Interpreter::Context::getNPCFaction, nullptr } }, { "pcclass", { &Interpreter::Context::getPCClass, &Interpreter::Context::getPCClass } }, { "pcname", { &Interpreter::Context::getPCName, &Interpreter::Context::getPCName } }, { "pcrace", { &Interpreter::Context::getPCRace, &Interpreter::Context::getPCRace } }, { "pcrank", { &Interpreter::Context::getPCRank, nullptr } }, { "class", { &Interpreter::Context::getNPCClass, &Interpreter::Context::getPCClass } }, { "cell", { &Interpreter::Context::getCurrentCellName, &Interpreter::Context::getCurrentCellName } }, { "race", { &Interpreter::Context::getNPCRace, &Interpreter::Context::getPCRace } }, { "rank", { &Interpreter::Context::getNPCRank, nullptr } }, { "name", { &Interpreter::Context::getActorName, &Interpreter::Context::getPCName } }, };
bool longerStr(std::string_view a, std::string_view b) { return a.length() > b.length(); }
bool findReplacement(std::string_view temp, size_t& i, size_t& start, Interpreter::Context& context, std::ostringstream& retval, bool dialogue) { for (const auto& [name, binding] : sActionBindings) { if (check(temp, name, i, start)) { retval << context.getActionBinding(binding); return true; } } if (check(temp, "pccrimelevel", i, start)) { retval << context.getPCBounty(); return true; } for (const auto& [name, methods] : sContextMethods) { const auto& method = dialogue ? methods.first : methods.second; if (check(temp, name, i, start)) { if (method) // Not all variables are available outside of dialogue retval << (context.*method)(); return true; } } return false; }
std::string fixDefinesReal(std::string_view text, bool dialogue, Interpreter::Context& context) { size_t start = 0; std::ostringstream retval; for (size_t i = 0; i < text.length(); ++i) { char eschar = text[i]; if (eschar == '%' || eschar == '^') { retval << text.substr(start, i - start); std::string_view temp = text.substr(i + 1);
bool found = false; try { found = findReplacement(temp, i, start, context, retval, dialogue); /* Not a builtin, try global variables */ if (!found) { /* if list of globals is empty, grab it and sort it by descending string length */ if (globals.empty()) { globals = context.getGlobals(); sort(globals.begin(), globals.end(), longerStr); }
for (const std::string& global : globals) { found = check(temp, global, i, start); if (found) { char type = context.getGlobalType(global);
switch (type) { case 's': retval << context.getGlobalShort(global); break; case 'l': retval << context.getGlobalLong(global); break; case 'f': retval << context.getGlobalFloat(global); break; } break; } } } } catch (std::exception& e) { Log(Debug::Error) << "Error: Failed to replace escape character, with the following error: " << e.what(); Log(Debug::Error) << "Full text below:\n" << text; }
// Not found, or error if (!found) { /* leave unmodified */ i += 1; start = i; retval << eschar; } } } retval << text.substr(start, text.length() - start); return retval.str(); }
}
namespace Interpreter{ std::string fixDefinesDialog(std::string_view text, Context& context) { return fixDefinesReal(text, true, context); }
std::string fixDefinesMsgBox(std::string_view text, Context& context) { return fixDefinesReal(text, false, context); }
std::string fixDefinesBook(std::string_view text, Context& context) { return fixDefinesReal(text, false, context); }}