51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
-#include "cpp_api/scriptapi.h"
-#include "common/c_converter.h"
-#include "common/c_content.h"
-#include "map.h"
#include "lua_api/l_nodemeta.h"
-#include "common/c_internal.h"
+#include "lua_api/l_internal.h"
#include "lua_api/l_inventory.h"
-
+#include "common/c_content.h"
+#include "serverenvironment.h"
+#include "map.h"
+#include "mapblock.h"
+#include "server.h"
/*
NodeMetaRef
*/
-NodeMetaRef* NodeMetaRef::checkobject(lua_State *L, int narg)
+NodeMetaRef *NodeMetaRef::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 *(NodeMetaRef**)ud; // unbox pointer
+ if (!ud)
+ luaL_typerror(L, narg, className);
+ return *(NodeMetaRef **)ud; // unbox pointer
}
-NodeMetadata* NodeMetaRef::getmeta(NodeMetaRef *ref, bool auto_create)
+Metadata *NodeMetaRef::getmeta(bool auto_create)
{
- NodeMetadata *meta = ref->m_env->getMap().getNodeMetadata(ref->m_p);
- if(meta == NULL && auto_create)
- {
- meta = new NodeMetadata(ref->m_env->getGameDef());
- ref->m_env->getMap().setNodeMetadata(ref->m_p, meta);
+ if (m_is_local)
+ return m_meta;
+
+ NodeMetadata *meta = m_env->getMap().getNodeMetadata(m_p);
+ if (meta == NULL && auto_create) {
+ meta = new NodeMetadata(m_env->getGameDef()->idef());
+ if (!m_env->getMap().setNodeMetadata(m_p, meta)) {
+ delete meta;
+ return NULL;
+ }
}
return meta;
}
-void NodeMetaRef::reportMetadataChange(NodeMetaRef *ref)
+void NodeMetaRef::clearMeta()
{
+ SANITY_CHECK(!m_is_local);
+ m_env->getMap().removeNodeMetadata(m_p);
+}
+
+void NodeMetaRef::reportMetadataChange(const std::string *name)
+{
+ SANITY_CHECK(!m_is_local);
// NOTE: This same code is in rollback_interface.cpp
// Inform other things that the metadata has changed
- v3s16 blockpos = getNodeBlockPos(ref->m_p);
+ NodeMetadata *meta = dynamic_cast<NodeMetadata *>(m_meta);
+
MapEditEvent event;
event.type = MEET_BLOCK_NODE_METADATA_CHANGED;
- event.p = blockpos;
- ref->m_env->getMap().dispatchEvent(&event);
- // Set the block to be saved
- MapBlock *block = ref->m_env->getMap().getBlockNoCreateNoEx(blockpos);
- if(block)
- block->raiseModified(MOD_STATE_WRITE_NEEDED,
- "NodeMetaRef::reportMetadataChange");
+ event.p = m_p;
+ event.is_private_change = name && meta && meta->isPrivate(*name);
+ m_env->getMap().dispatchEvent(event);
}
// Exported functions
// garbage collector
-int NodeMetaRef::gc_object(lua_State *L) {
+int NodeMetaRef::gc_object(lua_State *L)
+{
NodeMetaRef *o = *(NodeMetaRef **)(lua_touserdata(L, 1));
delete o;
return 0;
}
-// get_string(self, name)
-int NodeMetaRef::l_get_string(lua_State *L)
-{
- NodeMetaRef *ref = checkobject(L, 1);
- std::string name = luaL_checkstring(L, 2);
-
- NodeMetadata *meta = getmeta(ref, false);
- if(meta == NULL){
- lua_pushlstring(L, "", 0);
- return 1;
- }
- std::string str = meta->getString(name);
- lua_pushlstring(L, str.c_str(), str.size());
- return 1;
-}
-
-// set_string(self, name, var)
-int NodeMetaRef::l_set_string(lua_State *L)
+// get_inventory(self)
+int NodeMetaRef::l_get_inventory(lua_State *L)
{
- 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;
-}
+ MAP_LOCK_REQUIRED;
-// get_int(self, name)
-int NodeMetaRef::l_get_int(lua_State *L)
-{
NodeMetaRef *ref = checkobject(L, 1);
- std::string name = lua_tostring(L, 2);
-
- NodeMetadata *meta = getmeta(ref, false);
- if(meta == NULL){
- lua_pushnumber(L, 0);
- return 1;
- }
- std::string str = meta->getString(name);
- lua_pushnumber(L, stoi(str));
+ ref->getmeta(true); // try to ensure the metadata exists
+ InvRef::createNodeMeta(L, ref->m_p);
return 1;
}
-// set_int(self, name, var)
-int NodeMetaRef::l_set_int(lua_State *L)
+// mark_as_private(self, <string> or {<string>, <string>, ...})
+int NodeMetaRef::l_mark_as_private(lua_State *L)
{
- NodeMetaRef *ref = checkobject(L, 1);
- std::string name = lua_tostring(L, 2);
- int a = lua_tointeger(L, 3);
- std::string str = itos(a);
-
- NodeMetadata *meta = getmeta(ref, true);
- if(meta == NULL || str == meta->getString(name))
- return 0;
- meta->setString(name, str);
- reportMetadataChange(ref);
- return 0;
-}
+ MAP_LOCK_REQUIRED;
-// get_float(self, name)
-int NodeMetaRef::l_get_float(lua_State *L)
-{
NodeMetaRef *ref = checkobject(L, 1);
- std::string name = lua_tostring(L, 2);
+ NodeMetadata *meta = dynamic_cast<NodeMetadata *>(ref->getmeta(true));
+ assert(meta);
- NodeMetadata *meta = getmeta(ref, false);
- if(meta == NULL){
- lua_pushnumber(L, 0);
- return 1;
+ if (lua_istable(L, 2)) {
+ lua_pushnil(L);
+ while (lua_next(L, 2) != 0) {
+ // key at index -2 and value at index -1
+ luaL_checktype(L, -1, LUA_TSTRING);
+ meta->markPrivate(readParam<std::string>(L, -1), true);
+ // removes value, keeps key for next iteration
+ lua_pop(L, 1);
+ }
+ } else if (lua_isstring(L, 2)) {
+ meta->markPrivate(readParam<std::string>(L, 2), true);
}
- std::string str = meta->getString(name);
- lua_pushnumber(L, stof(str));
- return 1;
-}
+ ref->reportMetadataChange();
-// set_float(self, name, var)
-int NodeMetaRef::l_set_float(lua_State *L)
-{
- NodeMetaRef *ref = checkobject(L, 1);
- std::string name = lua_tostring(L, 2);
- float a = lua_tonumber(L, 3);
- std::string str = ftos(a);
-
- NodeMetadata *meta = getmeta(ref, true);
- if(meta == NULL || str == meta->getString(name))
- return 0;
- meta->setString(name, str);
- reportMetadataChange(ref);
return 0;
}
-// get_inventory(self)
-int NodeMetaRef::l_get_inventory(lua_State *L)
+void NodeMetaRef::handleToTable(lua_State *L, Metadata *_meta)
{
- NodeMetaRef *ref = checkobject(L, 1);
- getmeta(ref, true); // try to ensure the metadata exists
- InvRef::createNodeMeta(L, ref->m_p);
- return 1;
-}
+ // fields
+ MetaDataRef::handleToTable(L, _meta);
-// to_table(self)
-int NodeMetaRef::l_to_table(lua_State *L)
-{
- NodeMetaRef *ref = checkobject(L, 1);
+ NodeMetadata *meta = (NodeMetadata *)_meta;
- NodeMetadata *meta = getmeta(ref, true);
- if(meta == NULL){
- lua_pushnil(L);
- return 1;
- }
- lua_newtable(L);
- // fields
- lua_newtable(L);
- {
- std::map<std::string, std::string> fields = meta->getStrings();
- for(std::map<std::string, std::string>::const_iterator
- i = fields.begin(); i != fields.end(); i++){
- const std::string &name = i->first;
- const std::string &value = i->second;
- lua_pushlstring(L, name.c_str(), name.size());
- lua_pushlstring(L, value.c_str(), value.size());
- lua_settable(L, -3);
- }
- }
- lua_setfield(L, -2, "fields");
// inventory
lua_newtable(L);
Inventory *inv = meta->getInventory();
- if(inv){
- std::vector<const InventoryList*> lists = inv->getLists();
- for(std::vector<const InventoryList*>::const_iterator
- i = lists.begin(); i != lists.end(); i++){
- push_inventory_list(inv, (*i)->getName().c_str(), L);
+ if (inv) {
+ std::vector<const InventoryList *> lists = inv->getLists();
+ for (std::vector<const InventoryList *>::const_iterator i = lists.begin();
+ i != lists.end(); ++i) {
+ push_inventory_list(L, inv, (*i)->getName().c_str());
lua_setfield(L, -2, (*i)->getName().c_str());
}
}
lua_setfield(L, -2, "inventory");
- return 1;
}
// from_table(self, table)
-int NodeMetaRef::l_from_table(lua_State *L)
+bool NodeMetaRef::handleFromTable(lua_State *L, int table, Metadata *_meta)
{
- NodeMetaRef *ref = checkobject(L, 1);
- int base = 2;
+ // fields
+ if (!MetaDataRef::handleFromTable(L, table, _meta))
+ return false;
- if(lua_isnil(L, base)){
- // No metadata
- ref->m_env->getMap().removeNodeMetadata(ref->m_p);
- lua_pushboolean(L, true);
- return 1;
- }
+ NodeMetadata *meta = (NodeMetadata *)_meta;
- // Has metadata; clear old one first
- ref->m_env->getMap().removeNodeMetadata(ref->m_p);
- // Create new metadata
- NodeMetadata *meta = getmeta(ref, true);
- // Set fields
- lua_getfield(L, base, "fields");
- int fieldstable = lua_gettop(L);
- lua_pushnil(L);
- while(lua_next(L, fieldstable) != 0){
- // key at index -2 and value at index -1
- std::string name = lua_tostring(L, -2);
- size_t cl;
- const char *cs = lua_tolstring(L, -1, &cl);
- std::string value(cs, cl);
- meta->setString(name, value);
- lua_pop(L, 1); // removes value, keeps key for next iteration
- }
- // Set inventory
+ // inventory
Inventory *inv = meta->getInventory();
- lua_getfield(L, base, "inventory");
- int inventorytable = lua_gettop(L);
- lua_pushnil(L);
- while(lua_next(L, inventorytable) != 0){
- // key at index -2 and value at index -1
- std::string name = lua_tostring(L, -2);
- read_inventory_list(inv, name.c_str(), L, -1,STACK_TO_SERVER(L));
- lua_pop(L, 1); // removes value, keeps key for next iteration
+ lua_getfield(L, table, "inventory");
+ if (lua_istable(L, -1)) {
+ int inventorytable = lua_gettop(L);
+ lua_pushnil(L);
+ while (lua_next(L, inventorytable) != 0) {
+ // key at index -2 and value at index -1
+ std::string name = luaL_checkstring(L, -2);
+ read_inventory_list(L, -1, inv, name.c_str(), getServer(L));
+ lua_pop(L, 1); // Remove value, keep key for next iteration
+ }
+ lua_pop(L, 1);
}
- reportMetadataChange(ref);
- lua_pushboolean(L, true);
- return 1;
-}
+ return true;
+}
-NodeMetaRef::NodeMetaRef(v3s16 p, ServerEnvironment *env):
- m_p(p),
- m_env(env)
+NodeMetaRef::NodeMetaRef(v3s16 p, ServerEnvironment *env) : m_p(p), m_env(env)
{
}
-NodeMetaRef::~NodeMetaRef()
+NodeMetaRef::NodeMetaRef(Metadata *meta) : m_meta(meta), m_is_local(true)
{
}
void NodeMetaRef::create(lua_State *L, v3s16 p, ServerEnvironment *env)
{
NodeMetaRef *o = new NodeMetaRef(p, env);
- //infostream<<"NodeMetaRef::create: o="<<o<<std::endl;
+ // infostream<<"NodeMetaRef::create: o="<<o<<std::endl;
*(void **)(lua_newuserdata(L, sizeof(void *))) = o;
luaL_getmetatable(L, className);
lua_setmetatable(L, -2);
}
-void NodeMetaRef::Register(lua_State *L)
+// Client-sided version of the above
+void NodeMetaRef::createClient(lua_State *L, Metadata *meta)
+{
+ NodeMetaRef *o = new NodeMetaRef(meta);
+ *(void **)(lua_newuserdata(L, sizeof(void *))) = o;
+ luaL_getmetatable(L, className);
+ lua_setmetatable(L, -2);
+}
+
+const char NodeMetaRef::className[] = "NodeMetaRef";
+void NodeMetaRef::RegisterCommon(lua_State *L)
{
lua_newtable(L);
int methodtable = lua_gettop(L);
lua_pushliteral(L, "__metatable");
lua_pushvalue(L, methodtable);
- lua_settable(L, metatable); // hide metatable from Lua getmetatable()
+ lua_settable(L, metatable); // hide metatable from Lua getmetatable()
+
+ lua_pushliteral(L, "metadata_class");
+ lua_pushlstring(L, className, strlen(className));
+ lua_settable(L, metatable);
lua_pushliteral(L, "__index");
lua_pushvalue(L, methodtable);
lua_pushcfunction(L, gc_object);
lua_settable(L, metatable);
- lua_pop(L, 1); // drop metatable
+ lua_pushliteral(L, "__eq");
+ lua_pushcfunction(L, l_equals);
+ lua_settable(L, metatable);
+
+ lua_pop(L, 1); // drop metatable
+}
+
+void NodeMetaRef::Register(lua_State *L)
+{
+ RegisterCommon(L);
+ luaL_openlib(L, 0, methodsServer, 0); // fill methodtable
+ lua_pop(L, 1); // drop methodtable
+}
- luaL_openlib(L, 0, methods, 0); // fill methodtable
- lua_pop(L, 1); // drop methodtable
+const luaL_Reg NodeMetaRef::methodsServer[] = {luamethod(MetaDataRef, contains),
+ luamethod(MetaDataRef, get), luamethod(MetaDataRef, get_string),
+ luamethod(MetaDataRef, set_string), luamethod(MetaDataRef, get_int),
+ luamethod(MetaDataRef, set_int), luamethod(MetaDataRef, get_float),
+ luamethod(MetaDataRef, set_float), luamethod(MetaDataRef, to_table),
+ luamethod(MetaDataRef, from_table), luamethod(NodeMetaRef, get_inventory),
+ luamethod(NodeMetaRef, mark_as_private), luamethod(MetaDataRef, equals),
+ {0, 0}};
- // Cannot be created from Lua
- //lua_register(L, className, create_object);
+void NodeMetaRef::RegisterClient(lua_State *L)
+{
+ RegisterCommon(L);
+ luaL_openlib(L, 0, methodsClient, 0); // fill methodtable
+ lua_pop(L, 1); // drop methodtable
}
-const char NodeMetaRef::className[] = "NodeMetaRef";
-const luaL_reg NodeMetaRef::methods[] = {
- luamethod(NodeMetaRef, get_string),
- luamethod(NodeMetaRef, set_string),
- luamethod(NodeMetaRef, get_int),
- luamethod(NodeMetaRef, set_int),
- luamethod(NodeMetaRef, get_float),
- luamethod(NodeMetaRef, set_float),
- luamethod(NodeMetaRef, get_inventory),
- luamethod(NodeMetaRef, to_table),
- luamethod(NodeMetaRef, from_table),
- {0,0}
-};
-
-REGISTER_LUA_REF(NodeMetaRef);
+const luaL_Reg NodeMetaRef::methodsClient[] = {luamethod(MetaDataRef, contains),
+ luamethod(MetaDataRef, get), luamethod(MetaDataRef, get_string),
+ luamethod(MetaDataRef, get_int), luamethod(MetaDataRef, get_float),
+ luamethod(MetaDataRef, to_table), {0, 0}};
projects / dragonfireclient.git / blobdiff