dfhack/library/Core.cpp

1922 lines
55 KiB
C++

/*
https://github.com/peterix/dfhack
Copyright (c) 2009-2012 Petr Mrázek (peterix@gmail.com)
This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any
damages arising from the use of this software.
Permission is granted to anyone to use this software for any
purpose, including commercial applications, and to alter it and
redistribute it freely, subject to the following restrictions:
1. The origin of this software must not be misrepresented; you must
not claim that you wrote the original software. If you use this
software in a product, an acknowledgment in the product documentation
would be appreciated but is not required.
2. Altered source versions must be plainly marked as such, and
must not be misrepresented as being the original software.
3. This notice may not be removed or altered from any source
distribution.
*/
#include "Internal.h"
#include <string>
#include <vector>
#include <map>
#include <set>
#include <cstdio>
#include <cstring>
#include <iterator>
#include <sstream>
using namespace std;
#include "Error.h"
#include "MemAccess.h"
#include "Core.h"
#include "DataDefs.h"
#include "Console.h"
#include "Module.h"
#include "VersionInfoFactory.h"
#include "VersionInfo.h"
#include "PluginManager.h"
#include "ModuleFactory.h"
#include "modules/EventManager.h"
#include "modules/Gui.h"
#include "modules/World.h"
#include "modules/Graphic.h"
#include "modules/Windows.h"
#include "RemoteServer.h"
#include "LuaTools.h"
#include "MiscUtils.h"
using namespace DFHack;
#include "df/ui.h"
#include "df/world.h"
#include "df/world_data.h"
#include "df/interfacest.h"
#include "df/viewscreen_dwarfmodest.h"
#include "df/viewscreen_loadgamest.h"
#include "df/viewscreen_savegamest.h"
#include <df/graphic.h>
#include <stdio.h>
#include <iomanip>
#include <stdlib.h>
#include <fstream>
#include "tinythread.h"
#include "SDL_events.h"
using namespace tthread;
using namespace df::enums;
using df::global::init;
using df::global::world;
// FIXME: A lot of code in one file, all doing different things... there's something fishy about it.
static bool parseKeySpec(std::string keyspec, int *psym, int *pmod, std::string *pfocus = NULL);
struct Core::Cond
{
Cond()
{
predicate = false;
wakeup = new tthread::condition_variable();
}
~Cond()
{
delete wakeup;
}
bool Lock(tthread::mutex * m)
{
while(!predicate)
{
wakeup->wait(*m);
}
predicate = false;
return true;
}
bool Unlock()
{
predicate = true;
wakeup->notify_one();
return true;
}
tthread::condition_variable * wakeup;
bool predicate;
};
struct Core::Private
{
tthread::mutex AccessMutex;
tthread::mutex StackMutex;
std::stack<Core::Cond*> suspended_tools;
Core::Cond core_cond;
thread::id df_suspend_thread;
int df_suspend_depth;
Private() {
df_suspend_depth = 0;
}
};
void Core::cheap_tokenise(string const& input, vector<string> &output)
{
string *cur = NULL;
size_t i = 0;
// Check the first non-space character
while (i < input.size() && isspace(input[i])) i++;
// Special verbatim argument mode?
if (i < input.size() && input[i] == ':')
{
// Read the command
std::string cmd;
i++;
while (i < input.size() && !isspace(input[i]))
cmd.push_back(input[i++]);
if (!cmd.empty())
output.push_back(cmd);
// Find the argument
while (i < input.size() && isspace(input[i])) i++;
if (i < input.size())
output.push_back(input.substr(i));
return;
}
// Otherwise, parse in the regular quoted mode
for (; i < input.size(); i++)
{
unsigned char c = input[i];
if (isspace(c)) {
cur = NULL;
} else {
if (!cur) {
output.push_back("");
cur = &output.back();
}
if (c == '"') {
for (i++; i < input.size(); i++) {
c = input[i];
if (c == '"')
break;
else if (c == '\\') {
if (++i < input.size())
cur->push_back(input[i]);
}
else
cur->push_back(c);
}
} else {
cur->push_back(c);
}
}
}
}
struct IODATA
{
Core * core;
PluginManager * plug_mgr;
};
// A thread function... for handling hotkeys. This is needed because
// all the plugin commands are expected to be run from foreign threads.
// Running them from one of the main DF threads will result in deadlock!
void fHKthread(void * iodata)
{
Core * core = ((IODATA*) iodata)->core;
PluginManager * plug_mgr = ((IODATA*) iodata)->plug_mgr;
if(plug_mgr == 0 || core == 0)
{
cerr << "Hotkey thread has croaked." << endl;
return;
}
while(1)
{
std::string stuff = core->getHotkeyCmd(); // waits on mutex!
if(!stuff.empty())
{
color_ostream_proxy out(core->getConsole());
auto rv = core->runCommand(out, stuff);
if (rv == CR_NOT_IMPLEMENTED)
out.printerr("Invalid hotkey command: '%s'\n", stuff.c_str());
}
}
}
struct sortable
{
bool recolor;
string name;
string description;
//FIXME: Nuke when MSVC stops failing at being C++11 compliant
sortable(bool recolor_,const string& name_,const string & description_): recolor(recolor_), name(name_), description(description_){};
bool operator <(const sortable & rhs) const
{
if( name < rhs.name )
return true;
return false;
};
};
static std::string getScriptHelp(std::string path, std::string helpprefix)
{
ifstream script(path.c_str());
if (script.good())
{
std::string help;
if (getline(script, help) &&
help.substr(0,helpprefix.length()) == helpprefix)
return help.substr(helpprefix.length());
}
return "No help available.";
}
static void listScripts(PluginManager *plug_mgr, std::map<string,string> &pset, std::string path, bool all, std::string prefix = "")
{
std::vector<string> files;
getdir(path, files);
for (size_t i = 0; i < files.size(); i++)
{
if (hasEnding(files[i], ".lua"))
{
std::string help = getScriptHelp(path + files[i], "-- ");
pset[prefix + files[i].substr(0, files[i].size()-4)] = help;
}
else if (plug_mgr->ruby && plug_mgr->ruby->is_enabled() && hasEnding(files[i], ".rb"))
{
std::string help = getScriptHelp(path + files[i], "# ");
pset[prefix + files[i].substr(0, files[i].size()-3)] = help;
}
else if (all && !files[i].empty() && files[i][0] != '.')
{
listScripts(plug_mgr, pset, path+files[i]+"/", all, prefix+files[i]+"/");
}
}
}
static bool fileExists(std::string path)
{
ifstream script(path.c_str());
return script.good();
}
namespace {
struct ScriptArgs {
const string *pcmd;
vector<string> *pargs;
};
}
static bool init_run_script(color_ostream &out, lua_State *state, void *info)
{
auto args = (ScriptArgs*)info;
if (!lua_checkstack(state, args->pargs->size()+10))
return false;
Lua::PushDFHack(state);
lua_getfield(state, -1, "run_script");
lua_remove(state, -2);
lua_pushstring(state, args->pcmd->c_str());
for (size_t i = 0; i < args->pargs->size(); i++)
lua_pushstring(state, (*args->pargs)[i].c_str());
return true;
}
static command_result runLuaScript(color_ostream &out, std::string name, vector<string> &args)
{
ScriptArgs data;
data.pcmd = &name;
data.pargs = &args;
bool ok = Lua::RunCoreQueryLoop(out, Lua::Core::State, init_run_script, &data);
return ok ? CR_OK : CR_FAILURE;
}
static command_result runRubyScript(color_ostream &out, PluginManager *plug_mgr, std::string name, vector<string> &args)
{
if (!plug_mgr->ruby || !plug_mgr->ruby->is_enabled())
return CR_FAILURE;
std::string rbcmd = "$script_args = [";
for (size_t i = 0; i < args.size(); i++)
rbcmd += "'" + args[i] + "', ";
rbcmd += "]\n";
rbcmd += "catch(:script_finished) { load './hack/scripts/" + name + ".rb' }";
return plug_mgr->ruby->eval_ruby(out, rbcmd.c_str());
}
command_result Core::runCommand(color_ostream &out, const std::string &command)
{
if (!command.empty())
{
vector <string> parts;
Core::cheap_tokenise(command,parts);
if(parts.size() == 0)
return CR_NOT_IMPLEMENTED;
string first = parts[0];
parts.erase(parts.begin());
if (first[0] == '#')
return CR_OK;
cerr << "Invoking: " << command << endl;
return runCommand(out, first, parts);
}
else
return CR_NOT_IMPLEMENTED;
}
static bool try_autocomplete(color_ostream &con, const std::string &first, std::string &completed)
{
std::vector<std::string> possible;
auto plug_mgr = Core::getInstance().getPluginManager();
for(size_t i = 0; i < plug_mgr->size(); i++)
{
const Plugin * plug = (plug_mgr->operator[](i));
for (size_t j = 0; j < plug->size(); j++)
{
const PluginCommand &pcmd = plug->operator[](j);
if (pcmd.isHotkeyCommand())
continue;
if (pcmd.name.substr(0, first.size()) == first)
possible.push_back(pcmd.name);
}
}
bool all = (first.find('/') != std::string::npos);
std::map<string, string> scripts;
listScripts(plug_mgr, scripts, Core::getInstance().getHackPath() + "scripts/", all);
for (auto iter = scripts.begin(); iter != scripts.end(); ++iter)
if (iter->first.substr(0, first.size()) == first)
possible.push_back(iter->first);
if (possible.size() == 1)
{
completed = possible[0];
//fprintf(stderr, "Autocompleted %s to %s\n", , );
con.printerr("%s is not recognized. Did you mean %s?\n", first.c_str(), completed.c_str());
return true;
}
if (possible.size() > 1 && possible.size() < 8)
{
std::string out;
for (size_t i = 0; i < possible.size(); i++)
out += " " + possible[i];
con.printerr("%s is not recognized. Possible completions:%s\n", first.c_str(), out.c_str());
return true;
}
return false;
}
string findScript(string path, string name) {
if (df::global::world) {
//first try the save folder if it exists
string save = World::ReadWorldFolder();
if ( save != "" ) {
string file = path + "/data/save/" + save + "/raw/scripts/" + name;
if (fileExists(file)) {
return file;
}
}
}
string file = path + "/raw/scripts/" + name;
if (fileExists(file)) {
return file;
}
file = path + "/hack/scripts/" + name;
if (fileExists(file)) {
return file;
}
return "";
}
command_result Core::runCommand(color_ostream &con, const std::string &first, vector<string> &parts)
{
if (!first.empty())
{
// let's see what we actually got
if(first=="help" || first == "?" || first == "man")
{
if(!parts.size())
{
if (con.is_console())
{
con.print("This is the DFHack console. You can type commands in and manage DFHack plugins from it.\n"
"Some basic editing capabilities are included (single-line text editing).\n"
"The console also has a command history - you can navigate it with Up and Down keys.\n"
"On Windows, you may have to resize your console window. The appropriate menu is accessible\n"
"by clicking on the program icon in the top bar of the window.\n\n");
}
con.print("Basic commands:\n"
" help|?|man - This text.\n"
" help COMMAND - Usage help for the given command.\n"
" ls|dir [-a] [PLUGIN] - List available commands. Optionally for single plugin.\n"
" cls - Clear the console.\n"
" fpause - Force DF to pause.\n"
" die - Force DF to close immediately\n"
" keybinding - Modify bindings of commands to keys\n"
"Plugin management (useful for developers):\n"
" plug [PLUGIN|v] - List plugin state and description.\n"
" load PLUGIN|all - Load a plugin by name or load all possible plugins.\n"
" unload PLUGIN|all - Unload a plugin or all loaded plugins.\n"
" reload PLUGIN|all - Reload a plugin or all loaded plugins.\n"
);
con.print("\nDFHack version " DFHACK_VERSION ".\n");
}
else if (parts.size() == 1)
{
Plugin *plug = plug_mgr->getPluginByCommand(parts[0]);
if (plug) {
for (size_t j = 0; j < plug->size();j++)
{
const PluginCommand & pcmd = (plug->operator[](j));
if (pcmd.name != parts[0])
continue;
if (pcmd.isHotkeyCommand())
con.color(COLOR_CYAN);
con.print("%s: %s\n",pcmd.name.c_str(), pcmd.description.c_str());
con.reset_color();
if (!pcmd.usage.empty())
con << "Usage:\n" << pcmd.usage << flush;
return CR_OK;
}
}
string path = this->p->getPath();
string file = findScript(path, parts[0] + ".lua");
if ( file != "" ) {
string help = getScriptHelp(file, "-- ");
con.print("%s: %s\n", parts[0].c_str(), help.c_str());
return CR_OK;
}
if (plug_mgr->ruby && plug_mgr->ruby->is_enabled() ) {
file = findScript(path, parts[0] + ".rb");
if ( file != "" ) {
string help = getScriptHelp(file, "# ");
con.print("%s: %s\n", parts[0].c_str(), help.c_str());
return CR_OK;
}
}
con.printerr("Unknown command: %s\n", parts[0].c_str());
}
else
{
con.printerr("not implemented yet\n");
}
}
else if( first == "load" )
{
if(parts.size())
{
string & plugname = parts[0];
if(plugname == "all")
{
for(size_t i = 0; i < plug_mgr->size();i++)
{
Plugin * plug = (plug_mgr->operator[](i));
plug->load(con);
}
}
else
{
Plugin * plug = plug_mgr->getPluginByName(plugname);
if(!plug)
{
con.printerr("No such plugin\n");
}
else
{
plug->load(con);
}
}
}
}
else if( first == "reload" )
{
if(parts.size())
{
string & plugname = parts[0];
if(plugname == "all")
{
for(size_t i = 0; i < plug_mgr->size();i++)
{
Plugin * plug = (plug_mgr->operator[](i));
plug->reload(con);
}
}
else
{
Plugin * plug = plug_mgr->getPluginByName(plugname);
if(!plug)
{
con.printerr("No such plugin\n");
}
else
{
plug->reload(con);
}
}
}
}
else if( first == "unload" )
{
if(parts.size())
{
string & plugname = parts[0];
if(plugname == "all")
{
for(size_t i = 0; i < plug_mgr->size();i++)
{
Plugin * plug = (plug_mgr->operator[](i));
plug->unload(con);
}
}
else
{
Plugin * plug = plug_mgr->getPluginByName(plugname);
if(!plug)
{
con.printerr("No such plugin\n");
}
else
{
plug->unload(con);
}
}
}
}
else if( first == "enable" || first == "disable" )
{
CoreSuspender suspend;
bool enable = (first == "enable");
if(parts.size())
{
command_result res = CR_OK;
for (size_t i = 0; i < parts.size(); i++)
{
Plugin * plug = plug_mgr->getPluginByName(parts[i]);
if(!plug)
{
res = CR_NOT_FOUND;
con.printerr("No such plugin: %s\n", parts[i].c_str());
}
else if (!plug->can_set_enabled())
{
res = CR_NOT_IMPLEMENTED;
con.printerr("Cannot %s plugin: %s\n", first.c_str(), parts[i].c_str());
}
else
{
res = plug->set_enabled(con, enable);
if (res != CR_OK || plug->is_enabled() != enable)
con.printerr("Could not %s plugin: %s\n", first.c_str(), parts[i].c_str());
}
}
return res;
}
else
{
for(size_t i = 0; i < plug_mgr->size();i++)
{
Plugin * plug = (plug_mgr->operator[](i));
if (!plug->can_be_enabled()) continue;
con.print(
"%20s\t%-3s%s\n",
(plug->getName()+":").c_str(),
plug->is_enabled() ? "on" : "off",
plug->can_set_enabled() ? "" : " (controlled elsewhere)"
);
}
}
}
else if(first == "ls" || first == "dir")
{
bool all = false;
if (parts.size() && parts[0] == "-a")
{
all = true;
vector_erase_at(parts, 0);
}
if(parts.size())
{
string & plugname = parts[0];
const Plugin * plug = plug_mgr->getPluginByName(plugname);
if(!plug)
{
con.printerr("There's no plugin called %s!\n",plugname.c_str());
}
else for (size_t j = 0; j < plug->size();j++)
{
const PluginCommand & pcmd = (plug->operator[](j));
if (pcmd.isHotkeyCommand())
con.color(COLOR_CYAN);
con.print(" %-22s - %s\n",pcmd.name.c_str(), pcmd.description.c_str());
con.reset_color();
}
}
else
{
con.print(
"builtin:\n"
" help|?|man - This text or help specific to a plugin.\n"
" ls [-a] [PLUGIN] - List available commands. Optionally for single plugin.\n"
" cls - Clear the console.\n"
" fpause - Force DF to pause.\n"
" die - Force DF to close immediately\n"
" keybinding - Modify bindings of commands to keys\n"
" script FILENAME - Run the commands specified in a file.\n"
" plug [PLUGIN|v] - List plugin state and detailed description.\n"
" load PLUGIN|all - Load a plugin by name or load all possible plugins.\n"
" unload PLUGIN|all - Unload a plugin or all loaded plugins.\n"
" reload PLUGIN|all - Reload a plugin or all loaded plugins.\n"
" enable/disable PLUGIN - Enable or disable a plugin if supported.\n"
"\n"
"plugins:\n"
);
std::set <sortable> out;
for(size_t i = 0; i < plug_mgr->size();i++)
{
const Plugin * plug = (plug_mgr->operator[](i));
if(!plug->size())
continue;
for (size_t j = 0; j < plug->size();j++)
{
const PluginCommand & pcmd = (plug->operator[](j));
out.insert(sortable(pcmd.isHotkeyCommand(),pcmd.name,pcmd.description));
}
}
for(auto iter = out.begin();iter != out.end();iter++)
{
if ((*iter).recolor)
con.color(COLOR_CYAN);
con.print(" %-22s- %s\n",(*iter).name.c_str(), (*iter).description.c_str());
con.reset_color();
}
std::map<string, string> scripts;
listScripts(plug_mgr, scripts, getHackPath() + "scripts/", all);
if (!scripts.empty())
{
con.print("\nscripts:\n");
for (auto iter = scripts.begin(); iter != scripts.end(); ++iter)
con.print(" %-22s- %s\n", iter->first.c_str(), iter->second.c_str());
}
}
}
else if(first == "plug")
{
for(size_t i = 0; i < plug_mgr->size();i++)
{
const Plugin * plug = (plug_mgr->operator[](i));
if(!plug->size())
continue;
con.print("%s\n", plug->getName().c_str());
}
}
else if(first == "keybinding")
{
if (parts.size() >= 3 && (parts[0] == "set" || parts[0] == "add"))
{
std::string keystr = parts[1];
if (parts[0] == "set")
ClearKeyBindings(keystr);
for (int i = parts.size()-1; i >= 2; i--)
{
if (!AddKeyBinding(keystr, parts[i])) {
con.printerr("Invalid key spec: %s\n", keystr.c_str());
break;
}
}
}
else if (parts.size() >= 2 && parts[0] == "clear")
{
for (size_t i = 1; i < parts.size(); i++)
{
if (!ClearKeyBindings(parts[i])) {
con.printerr("Invalid key spec: %s\n", parts[i].c_str());
break;
}
}
}
else if (parts.size() == 2 && parts[0] == "list")
{
std::vector<std::string> list = ListKeyBindings(parts[1]);
if (list.empty())
con << "No bindings." << endl;
for (size_t i = 0; i < list.size(); i++)
con << " " << list[i] << endl;
}
else
{
con << "Usage:" << endl
<< " keybinding list <key>" << endl
<< " keybinding clear <key>[@context]..." << endl
<< " keybinding set <key>[@context] \"cmdline\" \"cmdline\"..." << endl
<< " keybinding add <key>[@context] \"cmdline\" \"cmdline\"..." << endl
<< "Later adds, and earlier items within one command have priority." << endl
<< "Supported keys: [Ctrl-][Alt-][Shift-](A-Z, or F1-F9, or Enter)." << endl
<< "Context may be used to limit the scope of the binding, by" << endl
<< "requiring the current context to have a certain prefix." << endl
<< "Current UI context is: "
<< Gui::getFocusString(Core::getTopViewscreen()) << endl;
}
}
else if(first == "fpause")
{
World::SetPauseState(true);
con.print("The game was forced to pause!\n");
}
else if(first == "cls")
{
if (con.is_console())
((Console&)con).clear();
else
{
con.printerr("No console to clear.\n");
return CR_NEEDS_CONSOLE;
}
}
else if(first == "die")
{
_exit(666);
}
else if(first == "script")
{
if(parts.size() == 1)
{
loadScriptFile(con, parts[0], false);
}
else
{
con << "Usage:" << endl
<< " script <filename>" << endl;
return CR_WRONG_USAGE;
}
}
else
{
command_result res = plug_mgr->InvokeCommand(con, first, parts);
if(res == CR_NOT_IMPLEMENTED)
{
string completed;
string path = this->p->getPath();
string filename = findScript(path, first + ".lua");
bool lua = filename != "";
if ( !lua ) {
filename = findScript(path, first + ".rb");
}
if ( lua )
res = runLuaScript(con, first, parts);
else if ( filename != "" && plug_mgr->ruby && plug_mgr->ruby->is_enabled() )
res = runRubyScript(con, plug_mgr, first, parts);
else if ( try_autocomplete(con, first, completed) )
return CR_NOT_IMPLEMENTED;
else
con.printerr("%s is not a recognized command.\n", first.c_str());
}
else if (res == CR_NEEDS_CONSOLE)
con.printerr("%s needs interactive console to work.\n", first.c_str());
return res;
}
return CR_OK;
}
return CR_NOT_IMPLEMENTED;
}
bool Core::loadScriptFile(color_ostream &out, string fname, bool silent)
{
if(!silent)
out << "Loading script at " << fname << std::endl;
ifstream script(fname.c_str());
if (script.good())
{
string command;
while (getline(script, command))
{
if (!command.empty())
runCommand(out, command);
}
return true;
}
else
{
if(!silent)
out.printerr("Error loading script\n");
return false;
}
}
static void run_dfhack_init(color_ostream &out, Core *core)
{
if (!df::global::world || !df::global::ui || !df::global::gview)
{
out.printerr("Key globals are missing, skipping loading dfhack.init.\n");
return;
}
if (!core->loadScriptFile(out, "dfhack.init", true))
{
core->runCommand(out, "gui/no-dfhack-init");
core->loadScriptFile(out, "dfhack.init-example", true);
}
}
// Load dfhack.init in a dedicated thread (non-interactive console mode)
void fInitthread(void * iodata)
{
IODATA * iod = ((IODATA*) iodata);
Core * core = iod->core;
color_ostream_proxy out(core->getConsole());
run_dfhack_init(out, core);
}
// A thread function... for the interactive console.
void fIOthread(void * iodata)
{
IODATA * iod = ((IODATA*) iodata);
Core * core = iod->core;
PluginManager * plug_mgr = ((IODATA*) iodata)->plug_mgr;
CommandHistory main_history;
main_history.load("dfhack.history");
Console & con = core->getConsole();
if (plug_mgr == 0)
{
con.printerr("Something horrible happened in Core's constructor...\n");
return;
}
run_dfhack_init(con, core);
con.print("DFHack is ready. Have a nice day!\n"
"Type in '?' or 'help' for general help, 'ls' to see all commands.\n");
int clueless_counter = 0;
while (true)
{
string command = "";
int ret = con.lineedit("[DFHack]# ",command, main_history);
if(ret == -2)
{
cerr << "Console is shutting down properly." << endl;
return;
}
else if(ret == -1)
{
cerr << "Console caught an unspecified error." << endl;
continue;
}
else if(ret)
{
// a proper, non-empty command was entered
main_history.add(command);
main_history.save("dfhack.history");
}
auto rv = core->runCommand(con, command);
if (rv == CR_NOT_IMPLEMENTED)
clueless_counter++;
if(clueless_counter == 3)
{
con.print("Do 'help' or '?' for the list of available commands.\n");
clueless_counter = 0;
}
}
}
Core::Core()
{
d = new Private();
// init the console. This must be always the first step!
plug_mgr = 0;
vif = 0;
p = 0;
errorstate = false;
vinfo = 0;
started = false;
memset(&(s_mods), 0, sizeof(s_mods));
// set up hotkey capture
hotkey_set = false;
HotkeyMutex = 0;
HotkeyCond = 0;
misc_data_mutex=0;
last_world_data_ptr = NULL;
last_local_map_ptr = NULL;
last_pause_state = false;
top_viewscreen = NULL;
screen_window = NULL;
server = NULL;
color_ostream::log_errors_to_stderr = true;
};
void Core::fatal (std::string output, bool deactivate)
{
stringstream out;
out << output ;
if(deactivate)
out << "DFHack will now deactivate.\n";
if(con.isInited())
{
con.printerr("%s", out.str().c_str());
}
fprintf(stderr, "%s\n", out.str().c_str());
#ifndef LINUX_BUILD
out << "Check file stderr.log for details\n";
MessageBox(0,out.str().c_str(),"DFHack error!", MB_OK | MB_ICONERROR);
#endif
}
std::string Core::getHackPath()
{
#ifdef LINUX_BUILD
return p->getPath() + "/hack/";
#else
return p->getPath() + "\\hack\\";
#endif
}
void init_screen_module(Core *);
bool Core::Init()
{
if(started)
return true;
if(errorstate)
return false;
// find out what we are...
#ifdef LINUX_BUILD
const char * path = "hack/symbols.xml";
#else
const char * path = "hack\\symbols.xml";
#endif
vif = new DFHack::VersionInfoFactory();
cerr << "Identifying DF version.\n";
try
{
vif->loadFile(path);
}
catch(Error::All & err)
{
std::stringstream out;
out << "Error while reading symbols.xml:\n";
out << err.what() << std::endl;
delete vif;
vif = NULL;
errorstate = true;
fatal(out.str(), true);
return false;
}
p = new DFHack::Process(vif);
vinfo = p->getDescriptor();
if(!vinfo || !p->isIdentified())
{
fatal ("Not a known DF version.\n", true);
errorstate = true;
delete p;
p = NULL;
return false;
}
cerr << "Version: " << vinfo->getVersion() << endl;
// Init global object pointers
df::global::InitGlobals();
cerr << "Initializing Console.\n";
// init the console.
bool is_text_mode = false;
if(init && init->display.flag.is_set(init_display_flags::TEXT))
{
is_text_mode = true;
con.init(true);
cerr << "Console is not available. Use dfhack-run to send commands.\n";
}
else if(con.init(false))
cerr << "Console is running.\n";
else
fatal ("Console has failed to initialize!\n", false);
/*
// dump offsets to a file
std::ofstream dump("offsets.log");
if(!dump.fail())
{
//dump << vinfo->PrintOffsets();
dump.close();
}
*/
// initialize data defs
virtual_identity::Init(this);
init_screen_module(this);
// initialize common lua context
Lua::Core::Init(con);
// create mutex for syncing with interactive tasks
misc_data_mutex=new mutex();
cerr << "Initializing Plugins.\n";
// create plugin manager
plug_mgr = new PluginManager(this);
plug_mgr->init(this);
IODATA *temp = new IODATA;
temp->core = this;
temp->plug_mgr = plug_mgr;
HotkeyMutex = new mutex();
HotkeyCond = new condition_variable();
if (!is_text_mode)
{
cerr << "Starting IO thread.\n";
// create IO thread
thread * IO = new thread(fIOthread, (void *) temp);
}
else
{
cerr << "Starting dfhack.init thread.\n";
thread * init = new thread(fInitthread, (void *) temp);
}
cerr << "Starting DF input capture thread.\n";
// set up hotkey capture
thread * HK = new thread(fHKthread, (void *) temp);
screen_window = new Windows::top_level_window();
screen_window->addChild(new Windows::dfhack_dummy(5,10));
started = true;
cerr << "Starting the TCP listener.\n";
server = new ServerMain();
if (!server->listen(RemoteClient::GetDefaultPort()))
cerr << "TCP listen failed.\n";
cerr << "DFHack is running.\n";
return true;
}
/// sets the current hotkey command
bool Core::setHotkeyCmd( std::string cmd )
{
// access command
HotkeyMutex->lock();
{
hotkey_set = true;
hotkey_cmd = cmd;
HotkeyCond->notify_all();
}
HotkeyMutex->unlock();
return true;
}
/// removes the hotkey command and gives it to the caller thread
std::string Core::getHotkeyCmd( void )
{
string returner;
HotkeyMutex->lock();
while ( ! hotkey_set )
{
HotkeyCond->wait(*HotkeyMutex);
}
hotkey_set = false;
returner = hotkey_cmd;
hotkey_cmd.clear();
HotkeyMutex->unlock();
return returner;
}
void Core::print(const char *format, ...)
{
color_ostream_proxy proxy(getInstance().con);
va_list args;
va_start(args,format);
proxy.vprint(format,args);
va_end(args);
}
void Core::printerr(const char *format, ...)
{
color_ostream_proxy proxy(getInstance().con);
va_list args;
va_start(args,format);
proxy.vprinterr(format,args);
va_end(args);
}
void Core::RegisterData( void *p, std::string key )
{
misc_data_mutex->lock();
misc_data_map[key] = p;
misc_data_mutex->unlock();
}
void *Core::GetData( std::string key )
{
misc_data_mutex->lock();
std::map<std::string,void*>::iterator it=misc_data_map.find(key);
if ( it != misc_data_map.end() )
{
void *p=it->second;
misc_data_mutex->unlock();
return p;
}
else
{
misc_data_mutex->unlock();
return 0;// or throw an error.
}
}
bool Core::isSuspended(void)
{
lock_guard<mutex> lock(d->AccessMutex);
return (d->df_suspend_depth > 0 && d->df_suspend_thread == this_thread::get_id());
}
void Core::Suspend()
{
auto tid = this_thread::get_id();
// If recursive, just increment the count
{
lock_guard<mutex> lock(d->AccessMutex);
if (d->df_suspend_depth > 0 && d->df_suspend_thread == tid)
{
d->df_suspend_depth++;
return;
}
}
// put the condition on a stack
Core::Cond *nc = new Core::Cond();
{
lock_guard<mutex> lock2(d->StackMutex);
d->suspended_tools.push(nc);
}
// wait until Core::Update() wakes up the tool
{
lock_guard<mutex> lock(d->AccessMutex);
nc->Lock(&d->AccessMutex);
assert(d->df_suspend_depth == 0);
d->df_suspend_thread = tid;
d->df_suspend_depth = 1;
}
}
void Core::Resume()
{
auto tid = this_thread::get_id();
lock_guard<mutex> lock(d->AccessMutex);
assert(d->df_suspend_depth > 0 && d->df_suspend_thread == tid);
if (--d->df_suspend_depth == 0)
d->core_cond.Unlock();
}
int Core::TileUpdate()
{
if(!started)
return false;
screen_window->paint();
return true;
}
int Core::ClaimSuspend(bool force_base)
{
auto tid = this_thread::get_id();
lock_guard<mutex> lock(d->AccessMutex);
if (force_base || d->df_suspend_depth <= 0)
{
assert(d->df_suspend_depth == 0);
d->df_suspend_thread = tid;
d->df_suspend_depth = 1000000;
return 1000000;
}
else
{
assert(d->df_suspend_thread == tid);
return ++d->df_suspend_depth;
}
}
void Core::DisclaimSuspend(int level)
{
auto tid = this_thread::get_id();
lock_guard<mutex> lock(d->AccessMutex);
assert(d->df_suspend_depth == level && d->df_suspend_thread == tid);
if (level == 1000000)
d->df_suspend_depth = 0;
else
--d->df_suspend_depth;
}
void Core::doUpdate(color_ostream &out, bool first_update)
{
Lua::Core::Reset(out, "DF code execution");
if (first_update)
onStateChange(out, SC_CORE_INITIALIZED);
// find the current viewscreen
df::viewscreen *screen = NULL;
if (df::global::gview)
{
screen = &df::global::gview->view;
while (screen->child)
screen = screen->child;
}
bool is_load_save =
strict_virtual_cast<df::viewscreen_loadgamest>(screen) ||
strict_virtual_cast<df::viewscreen_savegamest>(screen);
// detect if the game was loaded or unloaded in the meantime
void *new_wdata = NULL;
void *new_mapdata = NULL;
if (df::global::world && !is_load_save)
{
df::world_data *wdata = df::global::world->world_data;
// when the game is unloaded, world_data isn't deleted, but its contents are
// regions work to detect arena too
if (wdata && !wdata->regions.empty())
new_wdata = wdata;
new_mapdata = df::global::world->map.block_index;
}
// if the world changes
if (new_wdata != last_world_data_ptr)
{
// we check for map change too
bool had_map = isMapLoaded();
last_world_data_ptr = new_wdata;
last_local_map_ptr = new_mapdata;
World::ClearPersistentCache();
// and if the world is going away, we report the map change first
if(had_map)
onStateChange(out, SC_MAP_UNLOADED);
// and if the world is appearing, we report map change after that
onStateChange(out, new_wdata ? SC_WORLD_LOADED : SC_WORLD_UNLOADED);
if(isMapLoaded())
onStateChange(out, SC_MAP_LOADED);
}
// otherwise just check for map change...
else if (new_mapdata != last_local_map_ptr)
{
bool had_map = isMapLoaded();
last_local_map_ptr = new_mapdata;
if (isMapLoaded() != had_map)
{
World::ClearPersistentCache();
onStateChange(out, new_mapdata ? SC_MAP_LOADED : SC_MAP_UNLOADED);
}
}
// detect if the viewscreen changed
if (screen != top_viewscreen)
{
top_viewscreen = screen;
onStateChange(out, SC_VIEWSCREEN_CHANGED);
}
if (df::global::pause_state)
{
if (*df::global::pause_state != last_pause_state)
{
onStateChange(out, last_pause_state ? SC_UNPAUSED : SC_PAUSED);
last_pause_state = *df::global::pause_state;
}
}
// Execute per-frame handlers
onUpdate(out);
out << std::flush;
}
// should always be from simulation thread!
int Core::Update()
{
if(errorstate)
return -1;
color_ostream_proxy out(con);
// Pretend this thread has suspended the core in the usual way,
// and run various processing hooks.
{
CoreSuspendClaimer suspend(true);
// Initialize the core
bool first_update = false;
if(!started)
{
first_update = true;
Init();
if(errorstate)
return -1;
Lua::Core::Reset(con, "core init");
}
doUpdate(out, first_update);
}
// wake waiting tools
// do not allow more tools to join in while we process stuff here
lock_guard<mutex> lock_stack(d->StackMutex);
while (!d->suspended_tools.empty())
{
Core::Cond * nc = d->suspended_tools.top();
d->suspended_tools.pop();
lock_guard<mutex> lock(d->AccessMutex);
// wake tool
nc->Unlock();
// wait for tool to wake us
d->core_cond.Lock(&d->AccessMutex);
// verify
assert(d->df_suspend_depth == 0);
// destroy condition
delete nc;
// check lua stack depth
Lua::Core::Reset(out, "suspend");
}
return 0;
};
extern bool buildings_do_onupdate;
void buildings_onStateChange(color_ostream &out, state_change_event event);
void buildings_onUpdate(color_ostream &out);
static int buildings_timer = 0;
void Core::onUpdate(color_ostream &out)
{
EventManager::manageEvents(out);
// convert building reagents
if (buildings_do_onupdate && (++buildings_timer & 1))
buildings_onUpdate(out);
// notify all the plugins that a game tick is finished
plug_mgr->OnUpdate(out);
// process timers in lua
Lua::Core::onUpdate(out);
}
static void handleLoadAndUnloadScripts(Core* core, color_ostream& out, state_change_event event) {
if (!df::global::world)
return;
//TODO: use different separators for windows
#ifdef _WIN32
static const std::string separator = "\\";
#else
static const std::string separator = "/";
#endif
std::string rawFolder = "data" + separator + "save" + separator + (df::global::world->cur_savegame.save_dir) + separator + "raw" + separator;
switch(event) {
case SC_WORLD_LOADED:
core->loadScriptFile(out, rawFolder + "onLoad.init", true);
break;
case SC_WORLD_UNLOADED:
core->loadScriptFile(out, rawFolder + "onUnload.init", true);
break;
default:
break;
}
}
void Core::onStateChange(color_ostream &out, state_change_event event)
{
EventManager::onStateChange(out, event);
buildings_onStateChange(out, event);
plug_mgr->OnStateChange(out, event);
Lua::Core::onStateChange(out, event);
handleLoadAndUnloadScripts(this, out, event);
}
// FIXME: needs to terminate the IO threads and properly dismantle all the machinery involved.
int Core::Shutdown ( void )
{
if(errorstate)
return true;
errorstate = 1;
CoreSuspendClaimer suspend;
if(plug_mgr)
{
delete plug_mgr;
plug_mgr = 0;
}
// invalidate all modules
for(size_t i = 0 ; i < allModules.size(); i++)
{
delete allModules[i];
}
allModules.clear();
memset(&(s_mods), 0, sizeof(s_mods));
con.shutdown();
return -1;
}
// FIXME: this is HORRIBLY broken
// from ncurses
#define KEY_F0 0410 /* Function keys. Space for 64 */
#define KEY_F(n) (KEY_F0+(n)) /* Value of function key n */
bool Core::ncurses_wgetch(int in, int & out)
{
if(!started)
{
out = in;
return true;
}
if(in >= KEY_F(1) && in <= KEY_F(8))
{
int idx = in - KEY_F(1);
// FIXME: copypasta, push into a method!
if(df::global::ui && df::global::gview)
{
df::viewscreen * ws = Gui::getCurViewscreen();
if (strict_virtual_cast<df::viewscreen_dwarfmodest>(ws) &&
df::global::ui->main.mode != ui_sidebar_mode::Hotkeys &&
df::global::ui->main.hotkeys[idx].cmd == df::ui_hotkey::T_cmd::None)
{
setHotkeyCmd(df::global::ui->main.hotkeys[idx].name);
return false;
}
else
{
out = in;
return true;
}
}
}
out = in;
return true;
}
int UnicodeAwareSym(const SDL::KeyboardEvent& ke)
{
// Assume keyboard layouts don't change the order of numbers:
if( '0' <= ke.ksym.sym && ke.ksym.sym <= '9') return ke.ksym.sym;
if(SDL::K_F1 <= ke.ksym.sym && ke.ksym.sym <= SDL::K_F12) return ke.ksym.sym;
// These keys are mapped to the same control codes as Ctrl-?
switch (ke.ksym.sym)
{
case SDL::K_RETURN:
case SDL::K_KP_ENTER:
case SDL::K_TAB:
case SDL::K_ESCAPE:
case SDL::K_DELETE:
return ke.ksym.sym;
default:
break;
}
int unicode = ke.ksym.unicode;
// convert Ctrl characters to their 0x40-0x5F counterparts:
if (unicode < ' ')
{
unicode += 'A' - 1;
}
// convert A-Z to their a-z counterparts:
if('A' < unicode && unicode < 'Z')
{
unicode += 'a' - 'A';
}
// convert various other punctuation marks:
if('\"' == unicode) unicode = '\'';
if('+' == unicode) unicode = '=';
if(':' == unicode) unicode = ';';
if('<' == unicode) unicode = ',';
if('>' == unicode) unicode = '.';
if('?' == unicode) unicode = '/';
if('{' == unicode) unicode = '[';
if('|' == unicode) unicode = '\\';
if('}' == unicode) unicode = ']';
if('~' == unicode) unicode = '`';
return unicode;
}
//MEMO: return false if event is consumed
int Core::DFH_SDL_Event(SDL::Event* ev)
{
// do NOT process events before we are ready.
if(!started) return true;
if(!ev)
return true;
if(ev && (ev->type == SDL::ET_KEYDOWN || ev->type == SDL::ET_KEYUP))
{
auto ke = (SDL::KeyboardEvent *)ev;
if(ke->state == SDL::BTN_PRESSED && !hotkey_states[ke->ksym.sym])
{
hotkey_states[ke->ksym.sym] = true;
int mod = 0;
if (ke->ksym.mod & SDL::KMOD_SHIFT) mod |= 1;
if (ke->ksym.mod & SDL::KMOD_CTRL) mod |= 2;
if (ke->ksym.mod & SDL::KMOD_ALT) mod |= 4;
// Use unicode so Windows gives the correct value for the
// user's Input Language
if((ke->ksym.unicode & 0xff80) == 0)
{
int key = UnicodeAwareSym(*ke);
SelectHotkey(key, mod);
}
else
{
// Pretend non-ascii characters don't happen:
SelectHotkey(ke->ksym.sym, mod);
}
}
else if(ke->state == SDL::BTN_RELEASED)
{
hotkey_states[ke->ksym.sym] = false;
}
}
return true;
// do stuff with the events...
}
bool Core::SelectHotkey(int sym, int modifiers)
{
// Find the topmost viewscreen
if (!df::global::gview || !df::global::ui)
return false;
df::viewscreen *screen = &df::global::gview->view;
while (screen->child)
screen = screen->child;
if (sym == SDL::K_KP_ENTER)
sym = SDL::K_RETURN;
std::string cmd;
{
tthread::lock_guard<tthread::mutex> lock(*HotkeyMutex);
// Check the internal keybindings
std::vector<KeyBinding> &bindings = key_bindings[sym];
for (int i = bindings.size()-1; i >= 0; --i) {
if (bindings[i].modifiers != modifiers)
continue;
if (!bindings[i].focus.empty() &&
!prefix_matches(bindings[i].focus, Gui::getFocusString(screen)))
continue;
if (!plug_mgr->CanInvokeHotkey(bindings[i].command[0], screen))
continue;
cmd = bindings[i].cmdline;
break;
}
if (cmd.empty()) {
// Check the hotkey keybindings
int idx = sym - SDL::K_F1;
if(idx >= 0 && idx < 8)
{
if (modifiers & 1)
idx += 8;
if (strict_virtual_cast<df::viewscreen_dwarfmodest>(screen) &&
df::global::ui->main.mode != ui_sidebar_mode::Hotkeys &&
df::global::ui->main.hotkeys[idx].cmd == df::ui_hotkey::T_cmd::None)
{
cmd = df::global::ui->main.hotkeys[idx].name;
}
}
}
}
if (!cmd.empty()) {
setHotkeyCmd(cmd);
return true;
}
else
return false;
}
static bool parseKeySpec(std::string keyspec, int *psym, int *pmod, std::string *pfocus)
{
*pmod = 0;
if (pfocus)
{
*pfocus = "";
size_t idx = keyspec.find('@');
if (idx != std::string::npos)
{
*pfocus = keyspec.substr(idx+1);
keyspec = keyspec.substr(0, idx);
}
}
// ugh, ugly
for (;;) {
if (keyspec.size() > 6 && keyspec.substr(0, 6) == "Shift-") {
*pmod |= 1;
keyspec = keyspec.substr(6);
} else if (keyspec.size() > 5 && keyspec.substr(0, 5) == "Ctrl-") {
*pmod |= 2;
keyspec = keyspec.substr(5);
} else if (keyspec.size() > 4 && keyspec.substr(0, 4) == "Alt-") {
*pmod |= 4;
keyspec = keyspec.substr(4);
} else
break;
}
if (keyspec.size() == 1 && keyspec[0] >= 'A' && keyspec[0] <= 'Z') {
*psym = SDL::K_a + (keyspec[0]-'A');
return true;
} else if (keyspec.size() == 2 && keyspec[0] == 'F' && keyspec[1] >= '1' && keyspec[1] <= '9') {
*psym = SDL::K_F1 + (keyspec[1]-'1');
return true;
} else if (keyspec == "Enter") {
*psym = SDL::K_RETURN;
return true;
} else
return false;
}
bool Core::ClearKeyBindings(std::string keyspec)
{
int sym, mod;
std::string focus;
if (!parseKeySpec(keyspec, &sym, &mod, &focus))
return false;
tthread::lock_guard<tthread::mutex> lock(*HotkeyMutex);
std::vector<KeyBinding> &bindings = key_bindings[sym];
for (int i = bindings.size()-1; i >= 0; --i) {
if (bindings[i].modifiers == mod && prefix_matches(focus, bindings[i].focus))
bindings.erase(bindings.begin()+i);
}
return true;
}
bool Core::AddKeyBinding(std::string keyspec, std::string cmdline)
{
int sym;
KeyBinding binding;
if (!parseKeySpec(keyspec, &sym, &binding.modifiers, &binding.focus))
return false;
cheap_tokenise(cmdline, binding.command);
if (binding.command.empty())
return false;
tthread::lock_guard<tthread::mutex> lock(*HotkeyMutex);
// Don't add duplicates
std::vector<KeyBinding> &bindings = key_bindings[sym];
for (int i = bindings.size()-1; i >= 0; --i) {
if (bindings[i].modifiers == binding.modifiers &&
bindings[i].cmdline == cmdline &&
bindings[i].focus == binding.focus)
return true;
}
binding.cmdline = cmdline;
bindings.push_back(binding);
return true;
}
std::vector<std::string> Core::ListKeyBindings(std::string keyspec)
{
int sym, mod;
std::vector<std::string> rv;
if (!parseKeySpec(keyspec, &sym, &mod))
return rv;
tthread::lock_guard<tthread::mutex> lock(*HotkeyMutex);
std::vector<KeyBinding> &bindings = key_bindings[sym];
for (int i = bindings.size()-1; i >= 0; --i) {
if (bindings[i].modifiers == mod)
{
std::string cmd = bindings[i].cmdline;
if (!bindings[i].focus.empty())
cmd = "@" + bindings[i].focus + ": " + cmd;
rv.push_back(cmd);
}
}
return rv;
}
////////////////
// ClassNamCheck
////////////////
// Since there is no Process.cpp, put ClassNamCheck stuff in Core.cpp
static std::set<std::string> known_class_names;
static std::map<std::string, void*> known_vptrs;
ClassNameCheck::ClassNameCheck(std::string _name) : name(_name), vptr(0)
{
known_class_names.insert(name);
}
ClassNameCheck &ClassNameCheck::operator= (const ClassNameCheck &b)
{
name = b.name; vptr = b.vptr; return *this;
}
bool ClassNameCheck::operator() (Process *p, void * ptr) const {
if (vptr == 0 && p->readClassName(ptr) == name)
{
vptr = ptr;
known_vptrs[name] = ptr;
}
return (vptr && vptr == ptr);
}
void ClassNameCheck::getKnownClassNames(std::vector<std::string> &names)
{
std::set<std::string>::iterator it = known_class_names.begin();
for (; it != known_class_names.end(); it++)
names.push_back(*it);
}
MemoryPatcher::MemoryPatcher(Process *p_) : p(p_)
{
if (!p)
p = Core::getInstance().p;
}
MemoryPatcher::~MemoryPatcher()
{
close();
}
bool MemoryPatcher::verifyAccess(void *target, size_t count, bool write)
{
uint8_t *sptr = (uint8_t*)target;
uint8_t *eptr = sptr + count;
// Find the valid memory ranges
if (ranges.empty())
p->getMemRanges(ranges);
// Find the ranges that this area spans
unsigned start = 0;
while (start < ranges.size() && ranges[start].end <= sptr)
start++;
if (start >= ranges.size() || ranges[start].start > sptr)
return false;
unsigned end = start+1;
while (end < ranges.size() && ranges[end].start < eptr)
{
if (ranges[end].start != ranges[end-1].end)
return false;
end++;
}
if (ranges[end-1].end < eptr)
return false;
// Verify current permissions
for (unsigned i = start; i < end; i++)
if (!ranges[i].valid || !(ranges[i].read || ranges[i].execute) || ranges[i].shared)
return false;
// Apply writable permissions & update
for (unsigned i = start; i < end; i++)
{
auto &perms = ranges[i];
if ((perms.write || !write) && perms.read)
continue;
save.push_back(perms);
perms.write = perms.read = true;
if (!p->setPermisions(perms, perms))
return false;
}
return true;
}
bool MemoryPatcher::write(void *target, const void *src, size_t size)
{
if (!makeWritable(target, size))
return false;
memmove(target, src, size);
return true;
}
void MemoryPatcher::close()
{
for (size_t i = 0; i < save.size(); i++)
p->setPermisions(save[i], save[i]);
save.clear();
ranges.clear();
};
bool Process::patchMemory(void *target, const void* src, size_t count)
{
MemoryPatcher patcher(this);
return patcher.write(target, src, count);
}
/*******************************************************************************
M O D U L E S
*******************************************************************************/
#define MODULE_GETTER(TYPE) \
TYPE * Core::get##TYPE() \
{ \
if(errorstate) return NULL;\
if(!s_mods.p##TYPE)\
{\
Module * mod = create##TYPE();\
s_mods.p##TYPE = (TYPE *) mod;\
allModules.push_back(mod);\
}\
return s_mods.p##TYPE;\
}
MODULE_GETTER(Materials);
MODULE_GETTER(Notes);
MODULE_GETTER(Graphic);