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dfhack/plugins/confirm.cpp

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#include <map>
#include <set>
#include <queue>
#include "Console.h"
#include "Core.h"
#include "DataDefs.h"
#include "Error.h"
#include "Export.h"
#include "LuaTools.h"
#include "LuaWrapper.h"
#include "PluginManager.h"
#include "VTableInterpose.h"
#include "modules/Gui.h"
#include "uicommon.h"
#include "df/building_tradedepotst.h"
#include "df/general_ref.h"
#include "df/general_ref_contained_in_itemst.h"
#include "df/viewscreen_dwarfmodest.h"
#include "df/viewscreen_justicest.h"
#include "df/viewscreen_layer_militaryst.h"
#include "df/viewscreen_locationsst.h"
#include "df/viewscreen_tradegoodsst.h"
using namespace DFHack;
using namespace df::enums;
using std::map;
using std::queue;
using std::string;
using std::vector;
DFHACK_PLUGIN("confirm");
DFHACK_PLUGIN_IS_ENABLED(is_enabled);
REQUIRE_GLOBAL(gps);
REQUIRE_GLOBAL(ui);
typedef std::set<df::interface_key> ikey_set;
command_result df_confirm (color_ostream &out, vector <string> & parameters);
struct conf_wrapper;
static map<string, conf_wrapper*> confirmations;
string active_id;
queue<string> cmds;
template <typename VT, typename FT>
inline bool in_vector (std::vector<VT> &vec, FT item)
{
return std::find(vec.begin(), vec.end(), item) != vec.end();
}
string char_replace (string s, char a, char b)
{
string res = s;
size_t i = res.size();
while (i--)
if (res[i] == a)
res[i] = b;
return res;
}
bool set_conf_state (string name, bool state);
class confirmation_base {
public:
enum cstate { INACTIVE, ACTIVE, SELECTED };
virtual string get_id() = 0;
virtual bool set_state(cstate) = 0;
static bool set_state(string id, cstate state)
{
if (active && active->get_id() == id)
{
active->set_state(state);
return true;
}
return false;
}
protected:
static confirmation_base *active;
};
confirmation_base *confirmation_base::active = nullptr;
struct conf_wrapper {
private:
bool enabled;
std::set<VMethodInterposeLinkBase*> hooks;
public:
conf_wrapper()
:enabled(false)
{}
void add_hook(VMethodInterposeLinkBase *hook)
{
if (!hooks.count(hook))
hooks.insert(hook);
}
bool apply (bool state) {
if (state == enabled)
return true;
for (auto hook : hooks)
{
if (!hook->apply(state))
return false;
}
enabled = state;
return true;
}
inline bool is_enabled() { return enabled; }
};
namespace trade {
static bool goods_selected (const std::vector<char> &selected)
{
for (char c : selected)
if (c)
return true;
return false;
}
inline bool trader_goods_selected (df::viewscreen_tradegoodsst *screen)
{
CHECK_NULL_POINTER(screen);
return goods_selected(screen->trader_selected);
}
inline bool broker_goods_selected (df::viewscreen_tradegoodsst *screen)
{
CHECK_NULL_POINTER(screen);
return goods_selected(screen->broker_selected);
}
static bool goods_all_selected(const std::vector<char> &selected, const std::vector<df::item*> &items) \
{
for (size_t i = 0; i < selected.size(); ++i)
{
if (!selected[i])
{
// check to see if item is in a container
// (if the container is not selected, it will be detected separately)
bool in_container = false;
for (auto ref : items[i]->general_refs)
{
if (virtual_cast<df::general_ref_contained_in_itemst>(ref))
{
in_container = true;
break;
}
}
if (!in_container)
return false;
}
}
return true;
}
inline bool trader_goods_all_selected(df::viewscreen_tradegoodsst *screen)
{
CHECK_NULL_POINTER(screen);
return goods_all_selected(screen->trader_selected, screen->trader_items);
}
inline bool broker_goods_all_selected(df::viewscreen_tradegoodsst *screen)
{
CHECK_NULL_POINTER(screen);
return goods_all_selected(screen->broker_selected, screen->broker_items);
}
}
namespace conf_lua {
static color_ostream_proxy *out;
static lua_State *l_state;
bool init (color_ostream &dfout)
{
out = new color_ostream_proxy(Core::getInstance().getConsole());
l_state = Lua::Open(*out);
return l_state;
}
void cleanup()
{
if (out)
{
delete out;
out = nullptr;
}
lua_close(l_state);
}
bool call (const char *func, int nargs = 0, int nres = 0)
{
if (!Lua::PushModulePublic(*out, l_state, "plugins.confirm", func))
return false;
if (nargs > 0)
lua_insert(l_state, lua_gettop(l_state) - nargs);
return Lua::SafeCall(*out, l_state, nargs, nres);
}
bool simple_call (const char *func)
{
Lua::StackUnwinder top(l_state);
return call(func, 0, 0);
}
template <typename T>
void push (T val)
{
Lua::Push(l_state, val);
}
namespace api {
int get_ids (lua_State *L)
{
lua_newtable(L);
for (auto item : confirmations)
Lua::TableInsert(L, item.first, true);
return 1;
}
int get_conf_data (lua_State *L)
{
lua_newtable(L);
int i = 1;
for (auto item : confirmations)
{
Lua::Push(L, i++);
lua_newtable(L);
Lua::TableInsert(L, "id", item.first);
Lua::TableInsert(L, "enabled", item.second->is_enabled());
lua_settable(L, -3);
}
return 1;
}
int get_active_id (lua_State *L)
{
if (active_id.size())
Lua::Push(L, active_id);
else
lua_pushnil(L);
return 1;
}
}
}
#define CONF_LUA_FUNC(ns, name) {#name, df::wrap_function(ns::name, true)}
DFHACK_PLUGIN_LUA_FUNCTIONS {
CONF_LUA_FUNC( , set_conf_state),
CONF_LUA_FUNC(trade, broker_goods_selected),
CONF_LUA_FUNC(trade, broker_goods_all_selected),
CONF_LUA_FUNC(trade, trader_goods_selected),
CONF_LUA_FUNC(trade, trader_goods_all_selected),
DFHACK_LUA_END
};
#define CONF_LUA_CMD(name) {#name, conf_lua::api::name}
DFHACK_PLUGIN_LUA_COMMANDS {
CONF_LUA_CMD(get_ids),
CONF_LUA_CMD(get_conf_data),
CONF_LUA_CMD(get_active_id),
DFHACK_LUA_END
};
void show_options()
{
cmds.push("gui/confirm-opts");
}
template <class T>
class confirmation : public confirmation_base {
public:
typedef T screen_type;
screen_type *screen;
bool set_state (cstate s) override
{
if (confirmation_base::active && confirmation_base::active != this)
{
// Stop this confirmation from appearing over another one
return false;
}
state = s;
if (s == INACTIVE) {
active_id = "";
confirmation_base::active = nullptr;
}
else {
active_id = get_id();
confirmation_base::active = this;
}
return true;
}
bool feed (ikey_set *input) {
if (state == INACTIVE)
{
for (df::interface_key key : *input)
{
if (intercept_key(key))
{
if (set_state(ACTIVE))
{
last_key = key;
return true;
}
}
}
return false;
}
else if (state == ACTIVE)
{
if (input->count(df::interface_key::LEAVESCREEN))
set_state(INACTIVE);
else if (input->count(df::interface_key::SELECT))
set_state(SELECTED);
else if (input->count(df::interface_key::CUSTOM_S))
show_options();
return true;
}
return false;
}
bool key_conflict (df::interface_key key)
{
if (key == df::interface_key::SELECT || key == df::interface_key::LEAVESCREEN)
return false;
return state == ACTIVE;
}
void render() {
static vector<string> lines;
Screen::Pen corner_ul = Screen::Pen((char)201, COLOR_GREY, COLOR_BLACK);
Screen::Pen corner_ur = Screen::Pen((char)187, COLOR_GREY, COLOR_BLACK);
Screen::Pen corner_dl = Screen::Pen((char)200, COLOR_GREY, COLOR_BLACK);
Screen::Pen corner_dr = Screen::Pen((char)188, COLOR_GREY, COLOR_BLACK);
Screen::Pen border_ud = Screen::Pen((char)205, COLOR_GREY, COLOR_BLACK);
Screen::Pen border_lr = Screen::Pen((char)186, COLOR_GREY, COLOR_BLACK);
if (state == ACTIVE)
{
split_string(&lines, get_message(), "\n");
size_t max_length = 40;
for (string line : lines)
max_length = std::max(max_length, line.size());
int width = max_length + 4;
int height = lines.size() + 4;
int x1 = (gps->dimx / 2) - (width / 2);
int x2 = x1 + width - 1;
int y1 = (gps->dimy / 2) - (height / 2);
int y2 = y1 + height - 1;
for (int x = x1; x <= x2; x++)
{
Screen::paintTile(border_ud, x, y1);
Screen::paintTile(border_ud, x, y2);
}
for (int y = y1; y <= y2; y++)
{
Screen::paintTile(border_lr, x1, y);
Screen::paintTile(border_lr, x2, y);
}
Screen::paintTile(corner_ul, x1, y1);
Screen::paintTile(corner_ur, x2, y1);
Screen::paintTile(corner_dl, x1, y2);
Screen::paintTile(corner_dr, x2, y2);
string title = " " + get_title() + " ";
Screen::paintString(Screen::Pen(' ', COLOR_DARKGREY, COLOR_BLACK),
x2 - 6, y1, "DFHack");
Screen::paintString(Screen::Pen(' ', COLOR_BLACK, COLOR_GREY),
(gps->dimx / 2) - (title.size() / 2), y1, title);
int x = x1 + 2;
int y = y2;
OutputString(COLOR_LIGHTRED, x, y, Screen::getKeyDisplay(df::interface_key::LEAVESCREEN));
OutputString(COLOR_WHITE, x, y, ": Cancel");
x = (gps->dimx - (Screen::getKeyDisplay(df::interface_key::CUSTOM_S) + ": Settings").size()) / 2 + 1;
OutputString(COLOR_LIGHTRED, x, y, Screen::getKeyDisplay(df::interface_key::CUSTOM_S));
OutputString(COLOR_WHITE, x, y, ": Settings");
x = x2 - 2 - 3 - Screen::getKeyDisplay(df::interface_key::SELECT).size();
OutputString(COLOR_LIGHTRED, x, y, Screen::getKeyDisplay(df::interface_key::SELECT));
OutputString(COLOR_WHITE, x, y, ": Ok");
Screen::fillRect(Screen::Pen(' ', COLOR_BLACK, COLOR_BLACK), x1 + 1, y1 + 1, x2 - 1, y2 - 1);
for (size_t i = 0; i < lines.size(); i++)
{
Screen::paintString(Screen::Pen(' ', get_color(), COLOR_BLACK), x1 + 2, y1 + 2 + i, lines[i]);
}
}
else if (state == SELECTED)
{
ikey_set tmp;
tmp.insert(last_key);
screen->feed(&tmp);
set_state(INACTIVE);
}
}
virtual string get_id() override = 0;
#define CONF_LUA_START using namespace conf_lua; Lua::StackUnwinder unwind(l_state); push(screen); push(get_id());
bool intercept_key (df::interface_key key)
{
CONF_LUA_START;
push(key);
if (call("intercept_key", 3, 1))
return lua_toboolean(l_state, -1);
else
return false;
};
string get_title()
{
CONF_LUA_START;
if (call("get_title", 2, 1) && lua_isstring(l_state, -1))
return lua_tostring(l_state, -1);
else
return "Confirm";
}
string get_message()
{
CONF_LUA_START;
if (call("get_message", 2, 1) && lua_isstring(l_state, -1))
return lua_tostring(l_state, -1);
else
return "<Message generation failed>";
};
UIColor get_color()
{
CONF_LUA_START;
if (call("get_color", 2, 1) && lua_isnumber(l_state, -1))
return lua_tointeger(l_state, -1) % 16;
else
return COLOR_YELLOW;
}
#undef CONF_LUA_START
protected:
cstate state;
df::interface_key last_key;
};
template<typename T>
int conf_register(confirmation<T> *c, const vector<VMethodInterposeLinkBase*> &hooks)
{
conf_wrapper *w = new conf_wrapper();
confirmations[c->get_id()] = w;
for (auto hook : hooks)
w->add_hook(hook);
return 0;
}
#define IMPLEMENT_CONFIRMATION_HOOKS(cls, prio) \
static cls cls##_instance; \
struct cls##_hooks : cls::screen_type { \
typedef cls::screen_type interpose_base; \
DEFINE_VMETHOD_INTERPOSE(void, feed, (ikey_set *input)) \
{ \
cls##_instance.screen = this; \
if (!cls##_instance.feed(input)) \
INTERPOSE_NEXT(feed)(input); \
} \
DEFINE_VMETHOD_INTERPOSE(void, render, ()) \
{ \
cls##_instance.screen = this; \
INTERPOSE_NEXT(render)(); \
cls##_instance.render(); \
} \
DEFINE_VMETHOD_INTERPOSE(bool, key_conflict, (df::interface_key key)) \
{ \
return cls##_instance.key_conflict(key) || INTERPOSE_NEXT(key_conflict)(key); \
} \
}; \
IMPLEMENT_VMETHOD_INTERPOSE_PRIO(cls##_hooks, feed, prio); \
IMPLEMENT_VMETHOD_INTERPOSE_PRIO(cls##_hooks, render, prio); \
IMPLEMENT_VMETHOD_INTERPOSE_PRIO(cls##_hooks, key_conflict, prio); \
static int conf_register_##cls = conf_register(&cls##_instance, {\
&INTERPOSE_HOOK(cls##_hooks, feed), \
&INTERPOSE_HOOK(cls##_hooks, render), \
&INTERPOSE_HOOK(cls##_hooks, key_conflict), \
});
#define DEFINE_CONFIRMATION(cls, screen) \
class confirmation_##cls : public confirmation<df::screen> { \
virtual string get_id() { static string id = char_replace(#cls, '_', '-'); return id; } \
}; \
IMPLEMENT_CONFIRMATION_HOOKS(confirmation_##cls, 0);
/* This section defines stubs for all confirmation dialogs, with methods
implemented in plugins/lua/confirm.lua.
IDs (used in the "confirm enable/disable" command, by Lua, and in the docs)
are obtained by replacing '_' with '-' in the first argument to DEFINE_CONFIRMATION
*/
DEFINE_CONFIRMATION(trade, viewscreen_tradegoodsst);
DEFINE_CONFIRMATION(trade_cancel, viewscreen_tradegoodsst);
DEFINE_CONFIRMATION(trade_seize, viewscreen_tradegoodsst);
DEFINE_CONFIRMATION(trade_offer, viewscreen_tradegoodsst);
DEFINE_CONFIRMATION(trade_select_all, viewscreen_tradegoodsst);
DEFINE_CONFIRMATION(haul_delete, viewscreen_dwarfmodest);
DEFINE_CONFIRMATION(depot_remove, viewscreen_dwarfmodest);
DEFINE_CONFIRMATION(squad_disband, viewscreen_layer_militaryst);
DEFINE_CONFIRMATION(uniform_delete, viewscreen_layer_militaryst);
DEFINE_CONFIRMATION(note_delete, viewscreen_dwarfmodest);
DEFINE_CONFIRMATION(route_delete, viewscreen_dwarfmodest);
DEFINE_CONFIRMATION(location_retire, viewscreen_locationsst);
DEFINE_CONFIRMATION(convict, viewscreen_justicest);
DFhackCExport command_result plugin_init (color_ostream &out, vector <PluginCommand> &commands)
{
if (!conf_lua::init(out))
return CR_FAILURE;
commands.push_back(PluginCommand(
"confirm",
"Confirmation dialogs",
df_confirm,
false, //allow non-interactive use
" confirm enable|disable option|all ...\n"
" confirm help|status\n"
));
return CR_OK;
}
DFhackCExport command_result plugin_enable (color_ostream &out, bool enable)
{
if (is_enabled != enable)
{
for (auto c : confirmations)
{
if (!c.second->apply(enable))
return CR_FAILURE;
}
is_enabled = enable;
}
if (is_enabled)
{
conf_lua::simple_call("check");
}
return CR_OK;
}
DFhackCExport command_result plugin_shutdown (color_ostream &out)
{
if (plugin_enable(out, false) != CR_OK)
return CR_FAILURE;
conf_lua::cleanup();
for (auto item : confirmations)
{
delete item.second;
}
confirmations.clear();
return CR_OK;
}
DFhackCExport command_result plugin_onupdate (color_ostream &out)
{
while (!cmds.empty())
{
Core::getInstance().runCommand(out, cmds.front());
cmds.pop();
}
return CR_OK;
}
bool set_conf_state (string name, bool state)
{
bool found = false;
for (auto it : confirmations)
{
if (it.first == name)
{
found = true;
it.second->apply(state);
}
}
if (state == false)
{
// dismiss the confirmation too
confirmation_base::set_state(name, confirmation_base::INACTIVE);
}
return found;
}
void enable_conf (color_ostream &out, string name, bool state)
{
if (!set_conf_state(name, state))
out.printerr("Unrecognized option: %s\n", name.c_str());
}
command_result df_confirm (color_ostream &out, vector <string> & parameters)
{
CoreSuspender suspend;
bool state = true;
if (parameters.empty() || in_vector(parameters, "help") || in_vector(parameters, "status"))
{
out << "Available options: \n";
for (auto it : confirmations)
out.print(" %20s: %s\n", it.first.c_str(), it.second->is_enabled() ? "enabled" : "disabled");
return CR_OK;
}
for (string param : parameters)
{
if (param == "enable")
state = true;
else if (param == "disable")
state = false;
else if (param == "all")
{
for (auto it : confirmations)
it.second->apply(state);
}
else
enable_conf(out, param, state);
}
return CR_OK;
}
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