[CSM] Add `get_node` and `get_node_or_nil`

4 files changed, 51 insertions, 0 deletions

diff --git a/src/client.cpp b/src/client.cpp
index 4bb63fef1..049616c63 100644
--- a/src/client.cpp
+++ b/src/client.cpp
@@ -1447,6 +1447,11 @@ void Client::removeNode(v3s16 p)
 	}
 }
 
+MapNode Client::getNode(v3s16 p, bool *is_valid_position)
+{
+	return m_env.getMap().getNodeNoEx(p, is_valid_position);
+}
+
 void Client::addNode(v3s16 p, MapNode n, bool remove_metadata)
 {
 	//TimeTaker timer1("Client::addNode()");
diff --git a/src/client.h b/src/client.h
index 9b7130268..dc4469350 100644
--- a/src/client.h
+++ b/src/client.h
@@ -441,6 +441,7 @@ public:
 
 	// Causes urgent mesh updates (unlike Map::add/removeNodeWithEvent)
 	void removeNode(v3s16 p);
+	MapNode getNode(v3s16 p, bool *is_valid_position);
 	void addNode(v3s16 p, MapNode n, bool remove_metadata = true);
 
 	void setPlayerControl(PlayerControl &control);
diff --git a/src/script/lua_api/l_client.cpp b/src/script/lua_api/l_client.cpp
index 9a04bd02f..41e33889c 100644
--- a/src/script/lua_api/l_client.cpp
+++ b/src/script/lua_api/l_client.cpp
@@ -23,6 +23,8 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #include "util/string.h"
 #include "cpp_api/s_base.h"
 #include "gettext.h"
+#include "common/c_converter.h"
+#include "common/c_content.h"
 
 int ModApiClient::l_get_current_modname(lua_State *L)
 {
@@ -97,6 +99,39 @@ int ModApiClient::l_gettext(lua_State *L)
 	return 1;
 }
 
+// get_node(pos)
+// pos = {x=num, y=num, z=num}
+int ModApiClient::l_get_node(lua_State *L)
+{
+	// pos
+	v3s16 pos = read_v3s16(L, 1);
+	// Do it
+	bool pos_ok;
+	MapNode n = getClient(L)->getNode(pos, &pos_ok);
+	// Return node
+	pushnode(L, n, getClient(L)->ndef());
+	return 1;
+}
+
+// get_node_or_nil(pos)
+// pos = {x=num, y=num, z=num}
+int ModApiClient::l_get_node_or_nil(lua_State *L)
+{
+	// pos
+	v3s16 pos = read_v3s16(L, 1);
+	// Do it
+	bool pos_ok;
+	MapNode n = getClient(L)->getNode(pos, &pos_ok);
+	if (pos_ok) {
+		// Return node
+		pushnode(L, n, getClient(L)->ndef());
+	}
+	else {
+		lua_pushnil(L);
+	}
+	return 1;
+}
+
 void ModApiClient::Initialize(lua_State *L, int top)
 {
 	API_FCT(get_current_modname);
@@ -106,4 +141,6 @@ void ModApiClient::Initialize(lua_State *L, int top)
 	API_FCT(show_formspec);
 	API_FCT(send_respawn);
 	API_FCT(gettext);
+	API_FCT(get_node);
+	API_FCT(get_node_or_nil);
 }
diff --git a/src/script/lua_api/l_client.h b/src/script/lua_api/l_client.h
index d0e230630..207a5bca0 100644
--- a/src/script/lua_api/l_client.h
+++ b/src/script/lua_api/l_client.h
@@ -47,6 +47,14 @@ private:
 	// set_last_run_mod(modname)
 	static int l_set_last_run_mod(lua_State *L);
 
+	// get_node(pos)
+	static int l_get_node(lua_State *L);
+
+	// get_node_or_nil(pos)
+	static int l_get_node_or_nil(lua_State *L);
+
+
+
 public:
 	static void Initialize(lua_State *L, int top);
 };