410 lines
8.6 KiB
C++
410 lines
8.6 KiB
C++
#include "..\STDInclude.hpp"
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namespace Components
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{
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std::vector<Game::menuDef_t*> Menus::MenuList;
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std::vector<Game::MenuList*> Menus::MenuListList;
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int Menus::ReserveSourceHandle()
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{
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// Check if a free slot is available
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int i = 1;
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for (; i < MAX_SOURCEFILES; i++)
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{
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if (!Game::sourceFiles[i])
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break;
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}
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if (i >= MAX_SOURCEFILES)
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return 0;
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// Reserve it, if yes
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Game::sourceFiles[i] = (Game::source_t*)1;
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return i;
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}
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Game::script_t* Menus::LoadMenuScript(const char* name, std::string buffer)
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{
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Game::script_t* script = Game::Script_Alloc(sizeof(Game::script_t) + 1 + buffer.length());
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strcpy_s(script->filename, sizeof(script->filename), name);
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script->buffer = (char*)(script + 1);
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*((char*)(script + 1) + buffer.length()) = '\0';
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script->script_p = script->buffer;
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script->lastscript_p = script->buffer;
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script->length = buffer.length();
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script->end_p = &script->buffer[buffer.length()];
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script->line = 1;
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script->lastline = 1;
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script->tokenavailable = 0;
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Game::Script_SetupTokens(script, (void*)0x797F80);
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script->punctuations = (Game::punctuation_t*)0x797F80;
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strcpy(script->buffer, buffer.data());
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script->length = Game::Script_CleanString(script->buffer);
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return script;
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}
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int Menus::LoadMenuSource(const char* name, std::string buffer)
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{
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int handle = Menus::ReserveSourceHandle();
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if (!Menus::IsValidSourceHandle(handle)) return 0; // No free source slot!
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Game::source_t *source = nullptr;
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Game::script_t *script = Menus::LoadMenuScript(name, buffer);
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if (!script)
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{
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Game::sourceFiles[handle] = nullptr; // Free reserved slot
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return 0;
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}
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script->next = NULL;
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source = (Game::source_t *)calloc(1, sizeof(Game::source_t));
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strncpy(source->filename, "string", 64);
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source->scriptstack = script;
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source->tokens = NULL;
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source->defines = NULL;
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source->indentstack = NULL;
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source->skip = 0;
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source->definehash = (Game::define_t**)calloc(1, 4096);
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Game::sourceFiles[handle] = source;
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return handle;
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}
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bool Menus::IsValidSourceHandle(int handle)
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{
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return (handle > 0 && handle < MAX_SOURCEFILES && Game::sourceFiles[handle]);
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}
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int Menus::KeywordHash(char* key)
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{
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// patch this function on-the-fly, as it's some ugly C.
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Utils::Hook::Set<DWORD>(0x63FE9E, 3523);
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Utils::Hook::Set<DWORD>(0x63FECB, 0x7F);
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int var = 0x63FE90;
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__asm
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{
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mov eax, key
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call var
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mov var, eax
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}
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Utils::Hook::Set<DWORD>(0x63FE9E, 531);
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Utils::Hook::Set<DWORD>(0x63FECB, 0x1FF);
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return var;
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}
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Game::menuDef_t* Menus::ParseMenu(int handle)
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{
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Game::menuDef_t* menu = (Game::menuDef_t*)calloc(1, 2048); // FIXME: tentative size
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menu->items = (Game::itemDef_t**)calloc(512, sizeof(Game::itemDef_t*));
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Menus::MenuList.push_back(menu);
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Game::pc_token_t token;
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Game::keywordHash_t *key;
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if (!Menus::ReadToken(handle, &token) || token.string[0] != '{')
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{
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return menu;
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}
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while (true)
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{
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ZeroMemory(&token, sizeof(token));
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if (!Menus::ReadToken(handle, &token))
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{
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Game::PC_SourceError(handle, "end of file inside menu\n");
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break; // Fail
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}
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if (*token.string == '}')
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{
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break; // Success
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}
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int idx = Menus::KeywordHash(token.string);
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key = Game::menuParseKeywordHash[idx];
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if (!key)
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{
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Game::PC_SourceError(handle, "unknown menu keyword %s", token.string);
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continue;
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}
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if (!key->func((Game::itemDef_t*)menu, handle))
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{
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Game::PC_SourceError(handle, "couldn't parse menu keyword %s", token.string);
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break; // Fail
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}
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}
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return menu;
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}
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int Menus::ReadToken(int handle, Game::pc_token_t *pc_token)
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{
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Game::token_t token;
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int ret;
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if (!Menus::IsValidSourceHandle(handle)) return 0;
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ret = Game::PC_ReadToken(Game::sourceFiles[handle], &token);
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strcpy(pc_token->string, token.string);
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pc_token->type = token.type;
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pc_token->subtype = token.subtype;
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pc_token->intvalue = token.intvalue;
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pc_token->floatvalue = (float)token.floatvalue;
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if (pc_token->type == TT_STRING)
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{
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// StripDoubleQuotes
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char *string = pc_token->string;
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if (*string == '\"')
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{
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strcpy(string, string + 1);
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}
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if (string[strlen(string) - 1] == '\"')
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{
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string[strlen(string) - 1] = '\0';
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}
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}
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return ret;
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}
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std::vector<Game::menuDef_t*> Menus::LoadMenu(Game::menuDef_t* menudef)
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{
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std::vector<Game::menuDef_t*> menus;
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FileSystem::File menuFile(Utils::VA("ui_mp\\%s.menu", menudef->window.name));
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if (menuFile.Exists())
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{
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Game::pc_token_t token;
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int handle = Menus::LoadMenuSource(menudef->window.name, menuFile.GetBuffer());
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if (!Menus::IsValidSourceHandle(handle))
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{
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menus.push_back(menudef);
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return menus;
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}
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while (true)
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{
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ZeroMemory(&token, sizeof(token));
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if (!Menus::ReadToken(handle, &token) || token.string[0] == '}')
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{
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break;
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}
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if (!_stricmp(token.string, "loadmenu"))
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{
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Menus::ReadToken(handle, &token);
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// Ugly, but does the job ;)
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Game::menuDef_t _temp;
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_temp.window.name = token.string;
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std::vector<Game::menuDef_t*> newMenus = Menus::LoadMenu(&_temp);
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for (auto newMenu : newMenus)
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{
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menus.push_back(newMenu);
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}
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}
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if (!_stricmp(token.string, "menudef"))
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{
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menus.push_back(Menus::ParseMenu(handle));
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}
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}
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Menus::FreeMenuSource(handle);
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}
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if (!menus.size())
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{
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menus.push_back(menudef);
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}
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return menus;
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}
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Game::MenuList* Menus::LoadMenuList(Game::MenuList* menuList)
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{
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std::vector<Game::menuDef_t*> menus;
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for (int i = 0; i < menuList->menuCount; i++)
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{
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std::vector<Game::menuDef_t*> newMenus = Menus::LoadMenu(menuList->menus[i]);
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for (auto newMenu : newMenus)
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{
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menus.push_back(newMenu);
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}
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}
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// Allocate new menu list
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Game::MenuList* newList = (Game::MenuList*)calloc(1, sizeof(Game::MenuList));
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newList->name = _strdup(menuList->name);
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newList->menus = (Game::menuDef_t **)calloc(menus.size(), sizeof(Game::menuDef_t *));
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newList->menuCount = menus.size();
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// Copy new menus
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memcpy(newList->menus, menus.data(), menus.size() * sizeof(Game::menuDef_t *));
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Menus::MenuListList.push_back(newList);
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return newList;
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}
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void Menus::FreeMenuScript(Game::script_t* script)
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{
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Game::FreeMemory(script);
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}
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void Menus::FreeMenuSource(int handle)
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{
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if (!Menus::IsValidSourceHandle(handle)) return;
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Game::script_t *script;
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// Game::token_t *token;
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// Game::define_t *define;
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Game::indent_t *indent;
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Game::source_t *source = Game::sourceFiles[handle];
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while (source->scriptstack)
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{
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script = source->scriptstack;
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source->scriptstack = source->scriptstack->next;
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Menus::FreeMenuScript(script);
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}
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while (source->indentstack)
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{
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indent = source->indentstack;
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source->indentstack = source->indentstack->next;
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free(indent);
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}
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if (source->definehash) free(source->definehash);
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free(source);
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Game::sourceFiles[handle] = nullptr;
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}
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void Menus::FreeMenu(Game::menuDef_t* menudef)
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{
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if (menudef->items) free(menudef->items);
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free(menudef);
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}
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void Menus::FreeMenuList(Game::MenuList* menuList)
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{
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if (menuList)
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{
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if (menuList->name)
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{
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free((void*)menuList->name);
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}
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if (menuList->menus)
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{
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free(menuList->menus);
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}
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free(menuList);
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}
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}
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void Menus::FreeEverything()
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{
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for (auto menu : Menus::MenuList)
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{
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Menus::FreeMenu(menu);
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}
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Menus::MenuList.clear();
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for (auto menuList : Menus::MenuListList)
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{
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Menus::FreeMenuList(menuList);
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}
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Menus::MenuListList.clear();
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}
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Game::XAssetHeader Menus::MenuFileLoad(Game::XAssetType type, const char* filename)
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{
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Game::XAssetHeader header = { 0 };
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// Check if we already loaded it
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for (auto menuList : Menus::MenuListList)
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{
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if (!strcmp(menuList->name, filename))
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{
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header.menuList = menuList;
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return header;
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}
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}
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Game::MenuList* menuList = Game::DB_FindXAssetHeader(type, filename).menuList;
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header.menuList = menuList;
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if (menuList)
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{
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header.menuList = Menus::LoadMenuList(menuList);
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}
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return header;
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}
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Menus::Menus()
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{
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AssetHandler::On(Game::XAssetType::ASSET_TYPE_MENUFILE, Menus::MenuFileLoad);
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// disable the 2 new tokens in ItemParse_rect
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Utils::Hook::Set<BYTE>(0x640693, 0xEB);
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// don't load ASSET_TYPE_MENU assets for every menu (might cause patch menus to fail)
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Utils::Hook::Nop(0x453406, 5);
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Command::Add("openmenu", [] (Command::Params params)
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{
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if (params.Length() != 2)
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{
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Logger::Print("USAGE: openmenu <menu name>\n");
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return;
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}
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Game::Menus_OpenByName(0x62E2858, params[1]);
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});
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Command::Add("reloadmenus", [] (Command::Params params)
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{
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Menus::FreeEverything();
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// TODO: Refresh ui context?
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});
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}
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Menus::~Menus()
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{
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Menus::FreeEverything();
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}
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}
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