// getpos(self)
// returns: {x=num, y=num, z=num}
int ObjectRef::l_getpos(lua_State *L)
{
NO_MAP_LOCK_REQUIRED;
ObjectRef *ref = checkobject(L, 1);
ServerActiveObject *co = getobject(ref);
if (co == NULL) return 0;
v3f pos = co->getBasePosition() / BS;
lua_newtable(L);
lua_pushnumber(L, pos.X);
lua_setfield(L, -2, "x");
lua_pushnumber(L, pos.Y);
lua_setfield(L, -2, "y");
lua_pushnumber(L, pos.Z);
lua_setfield(L, -2, "z");
return 1;
}
// to_file(filename)
int LuaAreaStore::l_to_file(lua_State *L)
{
NO_MAP_LOCK_REQUIRED;
LuaAreaStore *o = checkobject(L, 1);
AreaStore *ast = o->as;
const char *filename = luaL_checkstring(L, 2);
CHECK_SECURE_PATH_OPTIONAL(L, filename);
std::ostringstream os(std::ios_base::binary);
ast->serialize(os);
lua_pushboolean(L, fs::safeWriteToFile(filename, os.str()));
return 1;
}
// hud_set_hotbar_itemcount(self, hotbar_itemcount)
int ObjectRef::l_hud_set_hotbar_itemcount(lua_State *L)
{
NO_MAP_LOCK_REQUIRED;
ObjectRef *ref = checkobject(L, 1);
RemotePlayer *player = getplayer(ref);
if (player == NULL)
return 0;
s32 hotbar_itemcount = lua_tonumber(L, 2);
if (!getServer(L)->hudSetHotbarItemcount(player, hotbar_itemcount))
return 0;
lua_pushboolean(L, true);
return 1;
}
// set_breath(self, breath)
int ObjectRef::l_set_breath(lua_State *L)
{
NO_MAP_LOCK_REQUIRED;
ObjectRef *ref = checkobject(L, 1);
PlayerSAO* co = getplayersao(ref);
if (co == NULL) return 0;
u16 breath = luaL_checknumber(L, 2);
// Do it
co->setBreath(breath);
// If the object is a player sent the breath to client
if (co->getType() == ACTIVEOBJECT_TYPE_PLAYER)
getServer(L)->SendPlayerBreath(((PlayerSAO*)co)->getPeerID());
return 0;
}
// set_name(self, name)
int LuaItemStack::l_set_name(lua_State *L)
{
NO_MAP_LOCK_REQUIRED;
LuaItemStack *o = checkobject(L, 1);
ItemStack &item = o->m_stack;
bool status = true;
item.name = luaL_checkstring(L, 2);
if (item.name == "" || item.empty()) {
item.clear();
status = false;
}
lua_pushboolean(L, status);
return 1;
}
// get_nametag_attributes(self)
int ObjectRef::l_get_nametag_attributes(lua_State *L)
{
NO_MAP_LOCK_REQUIRED;
ObjectRef *ref = checkobject(L, 1);
PlayerSAO *playersao = getplayersao(ref);
if (playersao == NULL)
return 0;
video::SColor color = playersao->getNametagColor();
lua_newtable(L);
push_ARGB8(L, color);
lua_setfield(L, -2, "color");
return 1;
}
// to_table(self) -> {[key1]=value1,...}
int LuaSettings::l_to_table(lua_State* L)
{
NO_MAP_LOCK_REQUIRED;
LuaSettings* o = checkobject(L, 1);
std::vector<std::string> keys = o->m_settings->getNames();
lua_newtable(L);
for (unsigned int i=0; i < keys.size(); i++)
{
lua_pushstring(L, o->m_settings->get(keys[i]).c_str());
lua_setfield(L, -2, keys[i].c_str());
}
return 1;
}
// hud_add(self, form)
int ObjectRef::l_hud_add(lua_State *L)
{
ObjectRef *ref = checkobject(L, 1);
Player *player = getplayer(ref);
if (player == NULL)
return 0;
HudElement *elem = new HudElement;
elem->type = (HudElementType)getenumfield(L, 2, "hud_elem_type",
es_HudElementType, HUD_ELEM_TEXT);
lua_getfield(L, 2, "position");
elem->pos = lua_istable(L, -1) ? read_v2f(L, -1) : v2f();
lua_pop(L, 1);
lua_getfield(L, 2, "scale");
elem->scale = lua_istable(L, -1) ? read_v2f(L, -1) : v2f();
lua_pop(L, 1);
elem->name = getstringfield_default(L, 2, "name", "");
elem->text = getstringfield_default(L, 2, "text", "");
elem->number = getintfield_default(L, 2, "number", 0);
elem->item = getintfield_default(L, 2, "item", 0);
elem->dir = getintfield_default(L, 2, "dir", 0);
lua_getfield(L, 2, "alignment");
elem->align = lua_istable(L, -1) ? read_v2f(L, -1) : v2f();
lua_pop(L, 1);
lua_getfield(L, 2, "offset");
elem->offset = lua_istable(L, -1) ? read_v2f(L, -1) : v2f();
lua_pop(L, 1);
lua_getfield(L, 2, "world_pos");
elem->world_pos = lua_istable(L, -1) ? read_v3f(L, -1) : v3f();
lua_pop(L, 1);
u32 id = getServer(L)->hudAdd(player, elem);
if (id == (u32)-1) {
delete elem;
return 0;
}
lua_pushnumber(L, id);
return 1;
}
// set_cache_params(params)
int LuaAreaStore::l_set_cache_params(lua_State *L)
{
NO_MAP_LOCK_REQUIRED;
LuaAreaStore *o = checkobject(L, 1);
AreaStore *ast = o->as;
luaL_checktype(L, 2, LUA_TTABLE);
bool enabled = getboolfield_default(L, 2, "enabled", true);
u8 block_radius = getintfield_default(L, 2, "block_radius", 64);
size_t limit = getintfield_default(L, 2, "block_radius", 1000);
ast->setCacheParams(enabled, block_radius, limit);
return 0;
}
// set_clouds(self, {density=, color=, ambient=, height=, thickness=, speed=})
int ObjectRef::l_set_clouds(lua_State *L)
{
NO_MAP_LOCK_REQUIRED;
ObjectRef *ref = checkobject(L, 1);
RemotePlayer *player = getplayer(ref);
if (!player)
return 0;
if (!lua_istable(L, 2))
return 0;
CloudParams cloud_params = player->getCloudParams();
cloud_params.density = getfloatfield_default(L, 2, "density", cloud_params.density);
lua_getfield(L, 2, "color");
if (!lua_isnil(L, -1))
read_color(L, -1, &cloud_params.color_bright);
lua_pop(L, 1);
lua_getfield(L, 2, "ambient");
if (!lua_isnil(L, -1))
read_color(L, -1, &cloud_params.color_ambient);
lua_pop(L, 1);
cloud_params.height = getfloatfield_default(L, 2, "height", cloud_params.height );
cloud_params.thickness = getfloatfield_default(L, 2, "thickness", cloud_params.thickness);
lua_getfield(L, 2, "speed");
if (lua_istable(L, -1)) {
v2f new_speed;
new_speed.X = getfloatfield_default(L, -1, "x", 0);
new_speed.Y = getfloatfield_default(L, -1, "y", 0);
cloud_params.speed = new_speed;
}
lua_pop(L, 1);
if (!getServer(L)->setClouds(player, cloud_params.density,
cloud_params.color_bright, cloud_params.color_ambient,
cloud_params.height, cloud_params.thickness,
cloud_params.speed))
return 0;
player->setCloudParams(cloud_params);
lua_pushboolean(L, true);
return 1;
}
// hud_get(self, id)
int ObjectRef::l_hud_get(lua_State *L)
{
ObjectRef *ref = checkobject(L, 1);
Player *player = getplayer(ref);
if (player == NULL)
return 0;
u32 id = lua_tonumber(L, -1);
if (id >= player->hud.size())
return 0;
HudElement *e = player->hud[id];
if (!e)
return 0;
lua_newtable(L);
lua_pushstring(L, es_HudElementType[(u8)e->type].str);
lua_setfield(L, -2, "type");
push_v2f(L, e->pos);
lua_setfield(L, -2, "position");
lua_pushstring(L, e->name.c_str());
lua_setfield(L, -2, "name");
push_v2f(L, e->scale);
lua_setfield(L, -2, "scale");
lua_pushstring(L, e->text.c_str());
lua_setfield(L, -2, "text");
lua_pushnumber(L, e->number);
lua_setfield(L, -2, "number");
lua_pushnumber(L, e->item);
lua_setfield(L, -2, "item");
lua_pushnumber(L, e->dir);
lua_setfield(L, -2, "dir");
push_v3f(L, e->world_pos);
lua_setfield(L, -2, "world_pos");
return 1;
}
// set_attribute(self, attribute, value)
int ObjectRef::l_set_attribute(lua_State *L)
{
ObjectRef *ref = checkobject(L, 1);
PlayerSAO* co = getplayersao(ref);
if (co == NULL) {
return 0;
}
std::string attr = luaL_checkstring(L, 2);
if (lua_isnil(L, 3)) {
co->removeExtendedAttribute(attr);
} else {
std::string value = luaL_checkstring(L, 3);
co->setExtendedAttribute(attr, value);
}
return 1;
}
// get_string(self, name)
int MetaDataRef::l_get_string(lua_State *L)
{
MAP_LOCK_REQUIRED;
MetaDataRef *ref = checkobject(L, 1);
std::string name = luaL_checkstring(L, 2);
Metadata *meta = ref->getmeta(false);
if (meta == NULL) {
lua_pushlstring(L, "", 0);
return 1;
}
const std::string &str = meta->getString(name);
lua_pushlstring(L, str.c_str(), str.size());
return 1;
}
// to_table(self)
int MetaDataRef::l_to_table(lua_State *L)
{
MAP_LOCK_REQUIRED;
MetaDataRef *ref = checkobject(L, 1);
Metadata *meta = ref->getmeta(true);
if (meta == NULL) {
lua_pushnil(L);
return 1;
}
lua_newtable(L);
ref->handleToTable(L, meta);
return 1;
}
// hud_remove(self, id)
int ObjectRef::l_hud_remove(lua_State *L)
{
ObjectRef *ref = checkobject(L, 1);
Player *player = getplayer(ref);
if (player == NULL)
return 0;
u32 id = -1;
if (!lua_isnil(L, 2))
id = lua_tonumber(L, 2);
if (!getServer(L)->hudRemove(player, id))
return 0;
lua_pushboolean(L, true);
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)->idef());
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_float(self, name)
int MetaDataRef::l_get_float(lua_State *L)
{
MAP_LOCK_REQUIRED;
MetaDataRef *ref = checkobject(L, 1);
std::string name = luaL_checkstring(L, 2);
Metadata *meta = ref->getmeta(false);
if (meta == NULL) {
lua_pushnumber(L, 0);
return 1;
}
const std::string &str = meta->getString(name);
lua_pushnumber(L, stof(str));
return 1;
}
// 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)->idef());
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;
}
// 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)->idef());
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;
}
// set_string(self, name, var)
int NodeMetaRef::l_set_string(lua_State *L)
{
MAP_LOCK_REQUIRED;
NodeMetaRef *ref = checkobject(L, 1);
std::string name = luaL_checkstring(L, 2);
size_t len = 0;
const char *s = lua_tolstring(L, 3, &len);
std::string str(s, len);
NodeMetadata *meta = getmeta(ref, !str.empty());
if(meta == NULL || str == meta->getString(name))
return 0;
meta->setString(name, str);
reportMetadataChange(ref);
return 0;
}
// get_definition(self) -> table
// Returns the item definition table from minetest.registered_items,
// or a fallback one (name="unknown")
int LuaItemStack::l_get_definition(lua_State *L)
{
LuaItemStack *o = checkobject(L, 1);
ItemStack &item = o->m_stack;
// Get minetest.registered_items[name]
lua_getglobal(L, "minetest");
lua_getfield(L, -1, "registered_items");
luaL_checktype(L, -1, LUA_TTABLE);
lua_getfield(L, -1, item.name.c_str());
if(lua_isnil(L, -1))
{
lua_pop(L, 1);
lua_getfield(L, -1, "unknown");
}
return 1;
}
// get_hp(self)
// returns: number of hitpoints (2 * number of hearts)
// 0 if not applicable to this type of object
int ObjectRef::l_get_hp(lua_State *L)
{
NO_MAP_LOCK_REQUIRED;
ObjectRef *ref = checkobject(L, 1);
ServerActiveObject *co = getobject(ref);
if (co == NULL) {
// Default hp is 1
lua_pushnumber(L, 1);
return 1;
}
int hp = co->getHP();
/*infostream<<"ObjectRef::l_get_hp(): id="<<co->getId()
<<" hp="<<hp<<std::endl;*/
// Return
lua_pushnumber(L, hp);
return 1;
}
int LuaRaycast::l_next(lua_State *L)
{
MAP_LOCK_REQUIRED;
ScriptApiItem *script = getScriptApi<ScriptApiItem>(L);
GET_ENV_PTR;
LuaRaycast *o = checkobject(L, 1);
PointedThing pointed;
env->continueRaycast(&o->state, &pointed);
if (pointed.type == POINTEDTHING_NOTHING)
lua_pushnil(L);
else
script->pushPointedThing(pointed);
return 1;
}
// set_float(self, name, var)
int MetaDataRef::l_set_float(lua_State *L)
{
MAP_LOCK_REQUIRED;
MetaDataRef *ref = checkobject(L, 1);
std::string name = luaL_checkstring(L, 2);
float a = readParam<float>(L, 3);
std::string str = ftos(a);
Metadata *meta = ref->getmeta(true);
if (meta == NULL || str == meta->getString(name))
return 0;
meta->setString(name, str);
ref->reportMetadataChange();
return 0;
}
int LuaVoxelManip::l_get_data(lua_State *L)
{
NO_MAP_LOCK_REQUIRED;
LuaVoxelManip *o = checkobject(L, 1);
ManualMapVoxelManipulator *vm = o->vm;
int volume = vm->m_area.getVolume();
lua_newtable(L);
for (int i = 0; i != volume; i++) {
lua_Integer cid = vm->m_data[i].getContent();
lua_pushinteger(L, cid);
lua_rawseti(L, -2, i + 1);
}
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;
}
// remove(self)
int ObjectRef::l_remove(lua_State *L)
{
GET_ENV_PTR;
ObjectRef *ref = checkobject(L, 1);
ServerActiveObject *co = getobject(ref);
if (co == NULL)
return 0;
if (co->getType() == ACTIVEOBJECT_TYPE_PLAYER)
return 0;
co->clearChildAttachments();
co->clearParentAttachment();
verbosestream << "ObjectRef::l_remove(): id=" << co->getId() << std::endl;
co->m_pending_removal = true;
return 0;
}
// set_animation_frame_speed(self, frame_speed)
int ObjectRef::l_set_animation_frame_speed(lua_State *L)
{
NO_MAP_LOCK_REQUIRED;
ObjectRef *ref = checkobject(L, 1);
ServerActiveObject *co = getobject(ref);
if (co == NULL)
return 0;
// Do it
if (!lua_isnil(L, 2)) {
float frame_speed = lua_tonumber(L, 2);
co->setAnimationSpeed(frame_speed);
lua_pushboolean(L, true);
} else {
lua_pushboolean(L, false);
}
return 1;
}
// set_hp(self, hp)
// hp = number of hitpoints (2 * number of hearts)
// returns: nil
int ObjectRef::l_set_hp(lua_State *L)
{
NO_MAP_LOCK_REQUIRED;
ObjectRef *ref = checkobject(L, 1);
luaL_checknumber(L, 2);
ServerActiveObject *co = getobject(ref);
if (co == NULL) return 0;
int hp = lua_tonumber(L, 2);
/*infostream<<"ObjectRef::l_set_hp(): id="<<co->getId()
<<" hp="<<hp<<std::endl;*/
// Do it
co->setHP(hp);
if (co->getType() == ACTIVEOBJECT_TYPE_PLAYER)
getServer(L)->SendPlayerHPOrDie((PlayerSAO *)co);
// Return
return 0;
}
int LuaVoxelManip::l_read_from_map(lua_State *L)
{
MAP_LOCK_REQUIRED;
LuaVoxelManip *o = checkobject(L, 1);
MMVManip *vm = o->vm;
v3s16 bp1 = getNodeBlockPos(check_v3s16(L, 2));
v3s16 bp2 = getNodeBlockPos(check_v3s16(L, 3));
sortBoxVerticies(bp1, bp2);
vm->initialEmerge(bp1, bp2);
push_v3s16(L, vm->m_area.MinEdge);
push_v3s16(L, vm->m_area.MaxEdge);
return 2;
}
