ObjectRef:get_player_name, ObjectRef:inventory_set_list, ObjectRef:inventory_get_list

This commit is contained in:
Perttu Ahola 2011-11-30 23:38:18 +02:00
parent cd563473fa
commit 1b61ca412b
2 changed files with 128 additions and 60 deletions

@ -97,6 +97,10 @@
-- - settexturemod(mod)
-- - setsprite(p={x=0,y=0}, num_frames=1, framelength=0.2,
-- - select_horiz_by_yawpitch=false)
-- Player-only:
-- - get_player_name(): will return nil if is not a player
-- - inventory_set_list(name, {item1, item2, ...})
-- - inventory_get_list(name)
--
-- Registered entities:
-- - Functions receive a "luaentity" as self:

@ -386,6 +386,79 @@ static int getenumfield(lua_State *L, int table,
return result;
}
/*
Inventory stuff
*/
static void inventory_set_list_from_lua(Inventory *inv, const char *name,
lua_State *L, int tableindex, IGameDef *gamedef)
{
// If nil, delete list
if(lua_isnil(L, tableindex)){
inv->deleteList(name);
return;
}
// Otherwise set list
std::list<std::string> items;
luaL_checktype(L, tableindex, LUA_TTABLE);
int table = tableindex;
lua_pushnil(L);
while(lua_next(L, table) != 0){
// key at index -2 and value at index -1
luaL_checktype(L, -1, LUA_TSTRING);
std::string itemstring = lua_tostring(L, -1);
items.push_back(itemstring);
// removes value, keeps key for next iteration
lua_pop(L, 1);
}
InventoryList *invlist = inv->addList(name, items.size());
int index = 0;
for(std::list<std::string>::const_iterator
i = items.begin(); i != items.end(); i++){
const std::string &itemstring = *i;
InventoryItem *newitem = NULL;
if(itemstring != "")
newitem = InventoryItem::deSerialize(itemstring,
gamedef);
InventoryItem *olditem = invlist->changeItem(index, newitem);
delete olditem;
index++;
}
}
static void inventory_get_list_to_lua(Inventory *inv, const char *name,
lua_State *L)
{
InventoryList *invlist = inv->getList(name);
if(invlist == NULL){
lua_pushnil(L);
return;
}
// Get the table insert function
lua_getglobal(L, "table");
lua_getfield(L, -1, "insert");
int table_insert = lua_gettop(L);
// Create and fill table
lua_newtable(L);
int table = lua_gettop(L);
for(u32 i=0; i<invlist->getSize(); i++){
InventoryItem *item = invlist->getItem(i);
lua_pushvalue(L, table_insert);
lua_pushvalue(L, table);
if(item == NULL){
lua_pushnil(L);
} else {
lua_pushstring(L, item->getItemString().c_str());
}
if(lua_pcall(L, 2, 0, 0))
script_error(L, "error: %s\n", lua_tostring(L, -1));
}
}
/*
EnumString definitions
*/
struct EnumString es_DrawType[] =
{
{NDT_NORMAL, "normal"},
@ -1252,41 +1325,9 @@ private:
if(meta == NULL) return 0;
// Do it
Inventory *inv = meta->getInventory();
std::string name = lua_tostring(L, 2);
// If nil, delete list
if(lua_isnil(L, 3)){
inv->deleteList(name);
return 0;
}
// Otherwise set list
std::list<std::string> items;
luaL_checktype(L, 3, LUA_TTABLE);
int table = 3;
lua_pushnil(L);
infostream<<"items: ";
while(lua_next(L, table) != 0){
// key at index -2 and value at index -1
luaL_checktype(L, -1, LUA_TSTRING);
std::string itemstring = lua_tostring(L, -1);
infostream<<"\""<<itemstring<<"\" ";
items.push_back(itemstring);
// removes value, keeps key for next iteration
lua_pop(L, 1);
}
infostream<<std::endl;
InventoryList *invlist = inv->addList(name, items.size());
int index = 0;
for(std::list<std::string>::const_iterator
i = items.begin(); i != items.end(); i++){
const std::string &itemstring = *i;
InventoryItem *newitem = NULL;
if(itemstring != "")
newitem = InventoryItem::deSerialize(itemstring,
ref->m_env->getGameDef());
InventoryItem *olditem = invlist->changeItem(index, newitem);
delete olditem;
index++;
}
const char *name = lua_tostring(L, 2);
inventory_set_list_from_lua(inv, name, L, 3,
ref->m_env->getGameDef());
reportMetadataChange(ref);
return 0;
}
@ -1299,31 +1340,8 @@ private:
if(meta == NULL) return 0;
// Do it
Inventory *inv = meta->getInventory();
std::string name = lua_tostring(L, 2);
InventoryList *invlist = inv->getList(name);
if(invlist == NULL){
lua_pushnil(L);
return 1;
}
// Get the table insert function
lua_getglobal(L, "table");
lua_getfield(L, -1, "insert");
int table_insert = lua_gettop(L);
// Create and fill table
lua_newtable(L);
int table = lua_gettop(L);
for(u32 i=0; i<invlist->getSize(); i++){
InventoryItem *item = invlist->getItem(i);
lua_pushvalue(L, table_insert);
lua_pushvalue(L, table);
if(item == NULL){
lua_pushnil(L);
} else {
lua_pushstring(L, item->getItemString().c_str());
}
if(lua_pcall(L, 2, 0, 0))
script_error(L, "error: %s\n", lua_tostring(L, -1));
}
const char *name = lua_tostring(L, 2);
inventory_get_list_to_lua(inv, name, L);
return 1;
}
@ -1913,7 +1931,49 @@ private:
co->setSprite(p, num_frames, framelength, select_horiz_by_yawpitch);
return 0;
}
/* Player-only */
// get_player_name(self)
static int l_get_player_name(lua_State *L)
{
ObjectRef *ref = checkobject(L, 1);
ServerRemotePlayer *player = getplayer(ref);
if(player == NULL){
lua_pushnil(L);
return 1;
}
// Do it
lua_pushstring(L, player->getName());
return 1;
}
// inventory_set_list(self, name, {item1, item2, ...})
static int l_inventory_set_list(lua_State *L)
{
ObjectRef *ref = checkobject(L, 1);
ServerRemotePlayer *player = getplayer(ref);
if(player == NULL) return 0;
const char *name = lua_tostring(L, 2);
// Do it
inventory_set_list_from_lua(&player->inventory, name, L, 3,
player->getEnv()->getGameDef());
player->m_inventory_not_sent = true;
return 0;
}
// inventory_get_list(self, name)
static int l_inventory_get_list(lua_State *L)
{
ObjectRef *ref = checkobject(L, 1);
ServerRemotePlayer *player = getplayer(ref);
if(player == NULL) return 0;
const char *name = lua_tostring(L, 2);
// Do it
inventory_get_list_to_lua(&player->inventory, name, L);
return 1;
}
public:
ObjectRef(ServerActiveObject *object):
m_object(object)
@ -1997,6 +2057,10 @@ const luaL_reg ObjectRef::methods[] = {
method(ObjectRef, getacceleration),
method(ObjectRef, settexturemod),
method(ObjectRef, setsprite),
// Player-only
method(ObjectRef, get_player_name),
method(ObjectRef, inventory_set_list),
method(ObjectRef, inventory_get_list),
{0,0}
};