Mapents parser
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155
src/client/component/mapents.cpp
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155
src/client/component/mapents.cpp
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#include <std_include.hpp>
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#include "loader/component_loader.hpp"
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#include "game/game.hpp"
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#include "console.hpp"
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#include <utils/hook.hpp>
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#include <utils/string.hpp>
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#include <xsk/gsc/types.hpp>
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#include <xsk/gsc/interfaces/compiler.hpp>
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#include <xsk/gsc/interfaces/decompiler.hpp>
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#include <xsk/gsc/interfaces/assembler.hpp>
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#include <xsk/gsc/interfaces/disassembler.hpp>
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#include <xsk/resolver.hpp>
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#include <interface.hpp>
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namespace mapents
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{
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namespace
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{
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std::optional<std::string> parse_mapents(const std::string& source)
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{
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std::string out_buffer{};
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const auto lines = utils::string::split(source, '\n');
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auto in_map_ent = false;
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auto empty = false;
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for (auto i = 0; i < lines.size(); i++)
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{
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const auto& line = lines[i];
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if (line.starts_with("//"))
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{
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continue;
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}
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if (line[0] == '{' && !in_map_ent)
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{
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in_map_ent = true;
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out_buffer.append("{\n");
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continue;
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}
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if (line[0] == '{' && in_map_ent)
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{
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console::error("[map_ents parser] Unexpected '{' on line %i\n", i);
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return {};
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}
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if (line[0] == '}' && in_map_ent)
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{
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if (empty)
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{
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out_buffer.append("\n}\n");
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}
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else if (i < static_cast<int>(lines.size()) - 1)
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{
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out_buffer.append("}\n");
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}
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else
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{
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out_buffer.append("}\0");
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}
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in_map_ent = false;
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continue;
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}
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if (line[0] == '}' && !in_map_ent)
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{
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console::error("[map_ents parser] Unexpected '}' on line %i\n", i);
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return {};
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}
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std::regex expr(R"~((.+) "(.*)")~");
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std::smatch match{};
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if (!std::regex_search(line, match, expr))
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{
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console::warn("[map_ents parser] Failed to parse line %i (%s)\n", i, line.data());
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continue;
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}
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auto key = utils::string::to_lower(match[1].str());
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const auto value = match[2].str();
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if (key.size() <= 0)
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{
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console::warn("[map_ents parser] Invalid key ('%s') on line %i (%s)\n", key.data(), i, line.data());
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continue;
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}
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if (value.size() <= 0)
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{
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continue;
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}
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empty = false;
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if (utils::string::is_numeric(key) || key.size() < 3 || !key.starts_with("\"") || !key.ends_with("\""))
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{
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out_buffer.append(line);
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out_buffer.append("\n");
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continue;
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}
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const auto key_ = key.substr(1, key.size() - 2);
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const auto id = xsk::gsc::h1::resolver::token_id(key_);
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if (id == 0)
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{
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console::warn("[map_ents parser] Key '%s' not found, on line %i (%s)\n", key_.data(), i, line.data());
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continue;
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}
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out_buffer.append(utils::string::va("%i \"%s\"\n", id, value.data()));
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}
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return {out_buffer};
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}
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std::string entity_string;
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const char* cm_entity_string_stub()
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{
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const auto original = utils::hook::invoke<const char*>(0x4CD140_b);
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const auto parsed = parse_mapents(original);
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if (parsed.has_value())
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{
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entity_string = parsed.value();
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return entity_string.data();
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}
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else
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{
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return original;
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}
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}
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void cm_unload_stub(void* clip_map)
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{
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entity_string.clear();
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utils::hook::invoke<void>(0x4CD0E0_b, clip_map);
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}
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}
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class component final : public component_interface
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{
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public:
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void post_unpack() override
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{
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utils::hook::call(0x41F594_b, cm_entity_string_stub);
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utils::hook::call(0x399814_b, cm_unload_stub);
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}
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};
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}
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REGISTER_COMPONENT(mapents::component)
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