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Add Lua API function to resolve node/collision/selection boxes (#13964)

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grorp 2024-02-06 20:45:16 +01:00 • committed by GitHub
parent 4859cf44ce
commit f2b99332d9
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13 changed files with 159 additions and 28 deletions
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35
src/script/lua_api/l_env.cpp
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@ -562,6 +562,40 @@ int ModApiEnv::l_add_node_level(lua_State *L)
return 1;
}
// get_node_boxes(box_type, pos, [node]) -> table
// box_type = string
// pos = {x=num, y=num, z=num}
// node = {name=string, param1=num, param2=num} or nil
int ModApiEnv::l_get_node_boxes(lua_State *L)
{
GET_ENV_PTR;
std::string box_type = luaL_checkstring(L, 1);
v3s16 pos = read_v3s16(L, 2);
MapNode n;
if (lua_istable(L, 3))
n = readnode(L, 3);
else
n = env->getMap().getNode(pos);
u8 neighbors = n.getNeighbors(pos, &env->getMap());
const NodeDefManager *ndef = env->getGameDef()->ndef();
std::vector<aabb3f> boxes;
if (box_type == "node_box")
n.getNodeBoxes(ndef, &boxes, neighbors);
else if (box_type == "collision_box")
n.getCollisionBoxes(ndef, &boxes, neighbors);
else if (box_type == "selection_box")
n.getSelectionBoxes(ndef, &boxes, neighbors);
else
luaL_error(L, "get_node_boxes: box_type is invalid. Allowed values: \"node_box\", \"collision_box\", \"selection_box\"");
push_aabb3f_vector(L, boxes, BS);
return 1;
}
// find_nodes_with_meta(pos1, pos2)
int ModApiEnv::l_find_nodes_with_meta(lua_State *L)
{
@ -1456,6 +1490,7 @@ void ModApiEnv::Initialize(lua_State *L, int top)
API_FCT(get_node_level);
API_FCT(set_node_level);
API_FCT(add_node_level);
API_FCT(get_node_boxes);
API_FCT(add_entity);
API_FCT(find_nodes_with_meta);
API_FCT(get_meta);

6
src/script/lua_api/l_env.h
View file

@ -120,6 +120,12 @@ private:
// pos = {x=num, y=num, z=num}
static int l_add_node_level(lua_State *L);
// get_node_boxes(box_type, pos, [node]) -> table
// box_type = string
// pos = {x=num, y=num, z=num}
// node = {name=string, param1=num, param2=num} or nil
static int l_get_node_boxes(lua_State *L);
// find_nodes_with_meta(pos1, pos2)
static int l_find_nodes_with_meta(lua_State *L);