on_add_node

builtin/client/register.lua

@@ -71,3 +71,5 @@ core.registered_on_dignode, core.register_on_dignode = make_registration()
 core.registered_on_punchnode, core.register_on_punchnode = make_registration()
 core.registered_on_placenode, core.register_on_placenode = make_registration()
 core.registered_on_item_use, core.register_on_item_use = make_registration()
+
+core.registered_on_add_node, core.register_on_add_node = make_registration()

doc/client_lua_api.md

@@ -639,6 +639,7 @@ Minetest namespace reference
 ### Global callback registration functions
 Call these functions only at load time!
 
+* `minetest.register_on_add_node(func(pos, node))`
 * `minetest.register_globalstep(func(dtime))`
     * Called every client environment step, usually interval of 0.1s
 * `minetest.register_on_shutdown(func())`

src/client.cpp

@@ -1404,6 +1404,8 @@ MapNode Client::getNode(v3s16 p, bool *is_valid_position)
 
 void Client::addNode(v3s16 p, MapNode n, bool remove_metadata)
 {
+	if(moddingEnabled()) getScript()->on_add_node(p, n);
+
 	//TimeTaker timer1("Client::addNode()");
 
 	std::map<v3s16, MapBlock*> modified_blocks;

src/script/cpp_api/s_client.cpp

@@ -170,6 +170,21 @@ bool ScriptApiClient::on_dignode(v3s16 p, MapNode node)
 	return lua_toboolean(L, -1);
 }
 
+void ScriptApiClient::on_add_node(v3s16 p, MapNode node)
+{
+	SCRIPTAPI_PRECHECKHEADER
+
+	INodeDefManager *ndef = getClient()->ndef();
+
+	lua_getglobal(L, "core");
+	lua_getfield(L, -1, "registered_on_add_node");
+
+	push_v3s16(L, p);
+	pushnode(L, node, ndef);
+
+	runCallbacks(2, RUN_CALLBACKS_MODE_OR);
+}
+
 bool ScriptApiClient::on_punchnode(v3s16 p, MapNode node)
 {
 	SCRIPTAPI_PRECHECKHEADER

src/script/cpp_api/s_client.h

@@ -58,6 +58,8 @@ public:
 	bool on_placenode(const PointedThing &pointed, const ItemDefinition &item);
 	bool on_item_use(const ItemStack &item, const PointedThing &pointed);
 
+	void on_add_node(v3s16 p, MapNode node);
+
 	void setEnv(ClientEnvironment *env);
 };
 #endif