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Node placement client-side prediction

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This commit is contained in:
Perttu Ahola 2012-06-10 12:46:48 +03:00
parent 7ba72f2763
commit 6a0388bb4b
8 changed files with 99 additions and 8 deletions
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30
src/scriptapi.cpp
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@ -930,13 +930,14 @@ static void read_object_properties(lua_State *L, int index,
ItemDefinition
*/
static ItemDefinition read_item_definition(lua_State *L, int index)
static ItemDefinition read_item_definition(lua_State *L, int index,
ItemDefinition default_def = ItemDefinition())
{
if(index < 0)
index = lua_gettop(L) + 1 + index;
// Read the item definition
ItemDefinition def;
ItemDefinition def = default_def;
def.type = (ItemType)getenumfield(L, index, "type",
es_ItemType, ITEM_NONE);
@ -981,6 +982,12 @@ static ItemDefinition read_item_definition(lua_State *L, int index)
read_groups(L, -1, def.groups);
lua_pop(L, 1);
// Client shall immediately place this node when player places the item.
// Server will update the precise end result a moment later.
// "" = no prediction
getstringfield(L, index, "node_placement_prediction",
def.node_placement_prediction);
return def;
}
@ -3891,9 +3898,10 @@ static int l_register_item_raw(lua_State *L)
get_server(L)->getWritableNodeDefManager();
// Check if name is defined
std::string name;
lua_getfield(L, table, "name");
if(lua_isstring(L, -1)){
std::string name = lua_tostring(L, -1);
name = lua_tostring(L, -1);
verbosestream<<"register_item_raw: "<<name<<std::endl;
} else {
throw LuaError(L, "register_item_raw: name is not defined or not a string");
@ -3901,8 +3909,20 @@ static int l_register_item_raw(lua_State *L)
// Check if on_use is defined
// Read the item definition and register it
ItemDefinition def = read_item_definition(L, table);
ItemDefinition def;
// Set a distinctive default value to check if this is set
def.node_placement_prediction = "__default";
// Read the item definition
def = read_item_definition(L, table, def);
// Default to having client-side placement prediction for nodes
// ("" in item definition sets it off)
if(def.type == ITEM_NODE && def.node_placement_prediction == "__default"){
def.node_placement_prediction = name;
}
// Register item definition
idef->registerItem(def);
// Read the node definition (content features) and register it