260
Copyright (C) 2013 Ciaran Gultnieks <ciaran@ciarang.com>

Permission to use, copy, modify, and distribute this software for any
purpose with or without fee is hereby granted, provided that the above
copyright notice and this permission notice appear in all copies.

THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/

#include "guiPasswordChange.h"
#include "debug.h"
#include "serialization.h"
#include <string>
#include <IGUICheckBox.h>
#include <IGUIEditBox.h>
#include <IGUIButton.h>
#include <IGUIStaticText.h>
#include <IGUIFont.h>

#include "gettext.h"

const int ID_oldPassword = 256;
const int ID_newPassword1 = 257;
const int ID_newPassword2 = 258;
const int ID_change = 259;
const int ID_message = 260;

GUIPasswordChange::GUIPasswordChange(gui::IGUIEnvironment* env,
		gui::IGUIElement* parent, s32 id,
		IMenuManager *menumgr,
		Client* client
):
	GUIModalMenu(env, parent, id, menumgr),
	m_client(client)
{
}

GUIPasswordChange::~GUIPasswordChange()
{
	removeChildren();
}

void GUIPasswordChange::removeChildren()
{
	{
		gui::IGUIElement *e = getElementFromId(ID_oldPassword);
		if(e != NULL)
			e->remove();
	}
	{
		gui::IGUIElement *e = getElementFromId(ID_newPassword1);
		if(e != NULL)
			e->remove();
	}
	{
		gui::IGUIElement *e = getElementFromId(ID_newPassword2);
		if(e != NULL)
			e->remove();
	}
	{
		gui::IGUIElement *e = getElementFromId(ID_change);
		if(e != NULL)
			e->remove();
	}
}

void GUIPasswordChange::regenerateGui(v2u32 screensize)
{
	/*
		Remove stuff
	*/
	removeChildren();
	
	/*
		Calculate new sizes and positions
	*/
	core::rect<s32> rect(
			screensize.X/2 - 580/2,
			screensize.Y/2 - 300/2,
			screensize.X/2 + 580/2,
			screensize.Y/2 + 300/2
	);
	
	DesiredRect = rect;
	recalculateAbsolutePosition(false);

	v2s32 size = rect.getSize();
	v2s32 topleft_client(40, 0);

	/*
		Add stuff
	*/
	s32 ypos = 50;
	{
		core::rect<s32> rect(0, 0, 110, 20);
		rect += topleft_client + v2s32(35, ypos+
Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>

This program is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/

#include "lua_api/l_inventory.h"
#include "lua_api/l_internal.h"
#include "lua_api/l_item.h"
#include "common/c_converter.h"
#include "common/c_content.h"
#include "server.h"
#include "player.h"

/*
	InvRef
*/
InvRef* InvRef::checkobject(lua_State *L, int narg)
{
	luaL_checktype(L, narg, LUA_TUSERDATA);
	void *ud = luaL_checkudata(L, narg, className);
	if(!ud) luaL_typerror(L, narg, className);
	return *(InvRef**)ud;  // unbox pointer
}

Inventory* InvRef::getinv(lua_State *L, InvRef *ref)
{
	return getServer(L)->getInventory(ref->m_loc);
}

InventoryList* InvRef::getlist(lua_State *L, InvRef *ref,
		const char *listname)
{
	NO_MAP_LOCK_REQUIRED;
	Inventory *inv = getinv(L, ref);
	if(!inv)
		return NULL;
	return inv->getList(listname);
}

void InvRef::reportInventoryChange(lua_State *L, InvRef *ref)
{
	// Inform other things that the inventory has changed
	getServer(L)->setInventoryModified(ref->m_loc);
}

// Exported functions

// garbage collector
int InvRef::gc_object(lua_State *L) {
	InvRef *o = *(InvRef **)(lua_touserdata(L, 1));
	delete o;
	return 0;
}

// is_empty(self, listname) -> true/false
int InvRef::l_is_empty(lua_State *L)
{
	NO_MAP_LOCK_REQUIRED;
	InvRef *ref = checkobject(L, 1);
	const char *listname = luaL_checkstring(L, 2);
	InventoryList *list = getlist(L, ref, listname);
	if(list && list->getUsedSlots() > 0){
		lua_pushboolean(L, false);
	} else {
		lua_pushboolean(L, true);
	}
	return 1;
}

// get_size(self, listname)
int InvRef::l_get_size(lua_State *L)
{
	NO_MAP_LOCK_REQUIRED;
	InvRef *ref = checkobject(L, 1);
	const char *listname = luaL_checkstring(L, 2);
	InventoryList *list = getlist(L, ref, listname);
	if(list){
		lua_pushinteger(L, list->getSize());
	} else {
		lua_pushinteger(L, 0);
	}
	return 1;
}

// get_width(self, listname)
int InvRef::l_get_width(lua_State *L)
{
	NO_MAP_LOCK_REQUIRED;
	InvRef *ref = checkobject(L, 1);
	const char *listname = luaL_checkstring(L, 2);
	InventoryList *list = getlist(L, ref, listname);
	if(list){
		lua_pushinteger(L, list->getWidth());
	} else {
		lua_pushinteger(L, 0);
	}
	return 1;
}

// set_size(self, listname, size)
int InvRef::l_set_size(lua_State *L)
{
	NO_MAP_LOCK_REQUIRED;
	InvRef *ref = checkobject(L, 1);
	const char *listname = luaL_checkstring(L, 2);

	int newsize = luaL_checknumber(L, 3);
	if (newsize < 0) {
		lua_pushboolean(L, false);
		return 1;
	}

	Inventory *inv = getinv(L, ref);
	if(inv == NULL){
		lua_pushboolean(L, false);
		return 1;
	}
	if(newsize == 0){
		inv->deleteList(listname);
		reportInventoryChange(L, ref);
		lua_pushboolean(L, true);
		return 1;
	}
	InventoryList *list = inv->getList(listname);
	if(list){
		list->setSize(newsize);
	} else {
		list = inv->addList(listname, newsize);
		if (!list)
		{
			lua_pushboolean(L, false);
			return 1;
		}
	}
	reportInventoryChange(L, ref);
	lua_pushboolean(L, true);
	return 1;
}

// set_width(self, listname, size)
int InvRef::l_set_width(lua_State *L)
{
	NO_MAP_LOCK_REQUIRED;
	InvRef *ref = checkobject(L, 1);
	const char *listname = luaL_checkstring(L, 2);
	int newwidth = luaL_checknumber(L, 3);
	Inventory *inv = getinv(L, ref);
	if(inv == NULL){
		return 0;
	}
	InventoryList *list = inv->getList(listname);
	if(list){
		list->setWidth(newwidth);
	} else {
		return 0;
	}
	reportInventoryChange(L, ref);
	return 0;
}

// get_stack(self, listname, i) -> itemstack
int InvRef::l_get_stack(lua_State *L)
{
	NO_MAP_LOCK_REQUIRED;
	InvRef *ref = checkobject(L, 1);
	const char *listname = luaL_checkstring(L, 2);
	int i = luaL_checknumber(L, 3) - 1;
	InventoryList *list = getlist(L, ref, listname);
	ItemStack item;
	if(list != NULL && i >= 0 && i < (int) list->getSize())
		item = list->getItem(i);
	LuaItemStack::create(L, item);
	return 1;
}

// set_stack(self, listname, i, stack) -> true/false
int InvRef::l_set_stack(lua_State *L)
{
	NO_MAP_LOCK_REQUIRED;
	InvRef *ref = checkobject(L, 1);
	const char *listname = luaL_checkstring(L, 2);
	int i = luaL_checknumber(L, 3) - 1;
	ItemStack newitem = read_item(L, 4, getServer(L));
	InventoryList *list = getlist(L, ref, listname);
	if(list != NULL && i >= 0 && i < (int) list->getSize()){
		list->changeItem(i, newitem);
		reportInventoryChange(L, ref);
		lua_pushboolean(L, true);
	} else {
		lua_pushboolean(L, false);
	}
	return 1;
}

// get_list(self, listname) -> list or nil
int InvRef::l_get_list(lua_State *L)
{
	NO_MAP_LOCK_REQUIRED;
	InvRef *ref = checkobject(L, 1);
	const char *listname = luaL_checkstring(L, 2);
	Inventory *inv = getinv(L, ref);
	if(inv){
		push_inventory_list(L, inv, listname);
	} else {
		lua_pushnil(L);
	}
	return 1;
}

// set_list(self, listname, list)
int InvRef::l_set_list(lua_State *L)
{
	NO_MAP_LOCK_REQUIRED;
	InvRef *ref = checkobject(L, 1);
	const char *listname = luaL_checkstring(L, 2);
	Inventory *inv = getinv(L, ref);
	if(inv == NULL){
		return 0;
	}
	InventoryList *list = inv->getList(listname);
	if(list)
		read_inventory_list(L, 3, inv, listname,
				getServer(L), list->getSize());
	else
		read_inventory_list(L, 3, inv, listname, getServer(L));
	reportInventoryChange(L, ref);
	return 0;
}

// get_lists(self) -> list of InventoryLists
int InvRef::l_get_lists(lua_State *L)
{
	NO_MAP_LOCK_REQUIRED;
	InvRef *ref = checkobject(L, 1);
	Inventory *inv = getinv(L, ref);
	if (!inv) {
		return 0;
	}
	std::vector<const InventoryList*> lists = inv->getLists();
	std::vector<const InventoryList*>::iterator iter = lists.begin();
	lua_createtable(L, 0, lists.size());
	for (; iter != lists.end(); iter++) {
		const char* name = (*iter)->getName().c_str();
		lua_pushstring(L, name);
		push_inventory_list(L, inv, name);
		lua_rawset(L, -3);
	}
	return 1;
}

// set_lists(self, lists)
int InvRef::l_set_lists(lua_State *L)
{
	NO_MAP_LOCK_REQUIRED;
	InvRef *ref = checkobject(L, 1);
	Inventory *inv = getinv(L, ref);
	if (!inv) {
		return 0;
	}

	// Make a temporary inventory in case reading fails
	Inventory *tempInv(inv);
	tempInv->clear();

	Server *server = getServer(L);

	lua_pushnil(L);
	while (lua_next(L, 2)) {
		const char *listname = lua_tostring(L, -2);
		read_inventory_list(L, -1, tempInv, listname, server);
		lua_pop(L, 1);
	}
	inv = tempInv;
	return 0;
}

// add_item(self, listname, itemstack or itemstring or table or nil) -> itemstack
// Returns the leftover stack
int InvRef::l_add_item(lua_State *L)
{
	NO_MAP_LOCK_REQUIRED;
	InvRef *ref = checkobject(L, 1);
	const char *listname = luaL_checkstring(L, 2);
	ItemStack item = read_item(L, 3, getServer(L));
	InventoryList *list = getlist(L, ref, listname);
	if(list){
		ItemStack leftover = list->addItem(item);
		if(leftover.count != item.count)
			reportInventoryChange(L, ref);
		LuaItemStack::create(L, leftover);
	} else {
		LuaItemStack::create(L, item);
	}
	return 1;
}

// room_for_item(self, listname, itemstack or itemstring or table or nil) -> true/false
// Returns true if the item completely fits into the list
int InvRef::l_room_for_item(lua_State *L)
{
	NO_MAP_LOCK_REQUIRED;
	InvRef *ref = checkobject(L, 1);
	const char *listname = luaL_checkstring(L, 2);
	ItemStack item = read_item(L, 3, getServer(L));
	InventoryList *list = getlist(L, ref, listname);
	if(list){
		lua_pushboolean(L, list->roomForItem(item));
	} else {
		lua_pushboolean(L, false);
	}
	return 1;
}

// contains_item(self, listname, itemstack or itemstring or table or nil) -> true/false
// Returns true if the list contains the given count of the given item name
int InvRef::l_contains_item(lua_State *L)
{
	NO_MAP_LOCK_REQUIRED;
	InvRef *ref = checkobject(L, 1);
	const char *listname = luaL_checkstring(L, 2);
	ItemStack item = read_item(L, 3, getServer(L));
	InventoryList *list = getlist(L, ref, listname);
	if(list){
		lua_pushboolean(L, list->containsItem(item));
	} else {
		lua_pushboolean(L, false);
	}
	return 1;
}

// remove_item(self, listname, itemstack or itemstring or table or nil) -> itemstack
// Returns the items that were actually removed
int InvRef::l_remove_item(lua_State *L)
{
	NO_MAP_LOCK_REQUIRED;
	InvRef *ref = checkobject(L, 1);
	const char *listname = luaL_checkstring(L, 2);
	ItemStack item = read_item(L, 3, getServer(L));
	InventoryList *list = getlist(L, ref, listname);
	if(list){
		ItemStack removed = list->removeItem(item);
		if(!removed.empty())
			reportInventoryChange(L, ref);
		LuaItemStack::create(L, removed);
	} else {
		LuaItemStack::create(L, ItemStack());
	}
	return 1;
}

// get_location() -> location (like get_inventory(location))
int InvRef::l_get_location(lua_State *L)
{
	NO_MAP_LOCK_REQUIRED;
	InvRef *ref = checkobject(L, 1);
	const InventoryLocation &loc = ref->m_loc;
	switch(loc.type){
	case InventoryLocation::PLAYER:
		lua_newtable(L);
		lua_pushstring(L, "player");
		lua_setfield(L, -2, "type");
		lua_pushstring(L, loc.name.c_str());
		lua_setfield(L, -2, "name");
		return 1;
	case InventoryLocation::NODEMETA:
		lua_newtable(L);
		lua_pushstring(L, "node");
		lua_setfield(L, -2, "type");
		push_v3s16(L, loc.p);
		lua_setfield(L, -2, "pos");
		return 1;
	case InventoryLocation::DETACHED:
		lua_newtable(L);
		lua_pushstring(L, "detached");
		lua_setfield(L, -2, "type");
		lua_pushstring(L, loc.name.c_str());
		lua_setfield(L, -2, "name");
		return 1;
	case InventoryLocation::UNDEFINED:
	case InventoryLocation::CURRENT_PLAYER:
		break;
	}
	lua_newtable(L);
	lua_pushstring(L, "undefined");
	lua_setfield(L, -2, "type");
	return 1;
}


InvRef::InvRef(const InventoryLocation &loc):
	m_loc(loc)
{
}

InvRef::~InvRef()
{
}

// Creates an InvRef and leaves it on top of stack
// Not callable from Lua; all references are created on the C side.
void InvRef::create(lua_State *L, const InventoryLocation &loc)
{
	NO_MAP_LOCK_REQUIRED;
	InvRef *o = new InvRef(loc);
	*(void **)(lua_newuserdata(L, sizeof(void *))) = o;
	luaL_getmetatable(L, className);
	lua_setmetatable(L, -2);
}
void InvRef::createPlayer(lua_State *L, Player *player)
{
	NO_MAP_LOCK_REQUIRED;
	InventoryLocation loc;
	loc.setPlayer(player->getName());
	create(L, loc);
}
void InvRef::createNodeMeta(lua_State *L, v3s16 p)
{
	InventoryLocation loc;
	loc.setNodeMeta(p);
	create(L, loc);
}

void InvRef::Register(lua_State *L)
{
	lua_newtable(L);
	int methodtable = lua_gettop(L);
	luaL_newmetatable(L, className);
	int metatable = lua_gettop(L);

	lua_pushliteral(L, "__metatable");
	lua_pushvalue(L, methodtable);
	lua_settable(L, metatable);  // hide metatable from Lua getmetatable()

	lua_pushliteral(L, "__index");
	lua_pushvalue(L, methodtable);
	lua_settable(L, metatable);

	lua_pushliteral(L, "__gc");
	lua_pushcfunction(L, gc_object);
	lua_settable(L, metatable);

	lua_pop(L, 1);  // drop metatable

	luaL_openlib(L, 0, methods, 0);  // fill methodtable
	lua_pop(L, 1);  // drop methodtable

	// Cannot be created from Lua
	//lua_register(L, className, create_object);
}

const char InvRef::className[] = "InvRef";
const luaL_reg InvRef::methods[] = {
	luamethod(InvRef, is_empty),
	luamethod(InvRef, get_size),
	luamethod(InvRef, set_size),
	luamethod(InvRef, get_width),
	luamethod(InvRef, set_width),
	luamethod(InvRef, get_stack),
	luamethod(InvRef, set_stack),
	luamethod(InvRef, get_list),
	luamethod(InvRef, set_list),
	luamethod(InvRef, get_lists),
	luamethod(InvRef, set_lists),
	luamethod(InvRef, add_item),
	luamethod(InvRef, room_for_item),
	luamethod(InvRef, contains_item),
	luamethod(InvRef, remove_item),
	luamethod(InvRef, get_location),
	{0,0}
};

// get_inventory(location)
int ModApiInventory::l_get_inventory(lua_State *L)
{
	InventoryLocation loc;

	std::string type = checkstringfield(L, 1, "type");

	if(type == "node"){
		MAP_LOCK_REQUIRED;
		lua_getfield(L, 1, "pos");
		v3s16 pos = check_v3s16(L, -1);
		loc.setNodeMeta(pos);

		if(getServer(L)->getInventory(loc) != NULL)
			InvRef::create(L, loc);
		else
			lua_pushnil(L);
		return 1;
	} else {
		NO_MAP_LOCK_REQUIRED;
		if(type == "player"){
			std::string name = checkstringfield(L, 1, "name");
			loc.setPlayer(name);
		} else if(type == "detached"){
			std::string name = checkstringfield(L, 1, "name");
			loc.setDetached(name);
		}

		if(getServer(L)->getInventory(loc) != NULL)
			InvRef::create(L, loc);
		else
			lua_pushnil(L);
		return 1;
		// END NO_MAP_LOCK_REQUIRED;
	}
}

// create_detached_inventory_raw(name)
int ModApiInventory::l_create_detached_inventory_raw(lua_State *L)
{
	NO_MAP_LOCK_REQUIRED;
	const char *name = luaL_checkstring(L, 1);
	if(getServer(L)->createDetachedInventory(name) != NULL){
		InventoryLocation loc;
		loc.setDetached(name);
		InvRef::create(L, loc);
	}else{
		lua_pushnil(L);
	}
	return 1;
}

void ModApiInventory::Initialize(lua_State *L, int top)
{
	API_FCT(create_detached_inventory_raw);
	API_FCT(get_inventory);
}