add Transform and Rigidbody components (test)

res/content/base/scripts/hud.lua

@@ -7,7 +7,7 @@ function on_hud_open()
         local pvel = {player.get_vel(pid)}
         local eid = entity.spawn("base:drop")
         local throw_force = vec3.mul(player.get_dir(pid), DROP_FORCE)
-        entity.set_vel(eid, vec3.add(throw_force, vec3.add(pvel, DROP_INIT_VEL)))
-        entity.set_rot(eid, mat4.rotate({0, 1, 0}, math.random() * 360))
+        Rigidbody.set_vel(eid, vec3.add(throw_force, vec3.add(pvel, DROP_INIT_VEL)))
+        Transform.set_rot(eid, mat4.rotate({0, 1, 0}, math.random() * 360))
     end)
 end

src/logic/scripting/lua/api_lua.hpp

@@ -21,8 +21,10 @@ extern const luaL_Reg jsonlib [];
 extern const luaL_Reg mat4lib [];
 extern const luaL_Reg packlib [];
 extern const luaL_Reg playerlib [];
+extern const luaL_Reg rigidbodylib [];
 extern const luaL_Reg timelib [];
 extern const luaL_Reg tomllib [];
+extern const luaL_Reg transformlib [];
 extern const luaL_Reg vec2lib [];
 extern const luaL_Reg vec3lib [];
 extern const luaL_Reg vec4lib [];

src/logic/scripting/lua/libentity.cpp

@@ -31,6 +31,20 @@ static int l_spawn(lua::State* L) {
     return lua::pushinteger(L, id);
 }
 
+static int l_get_pos(lua::State* L) {
+    if (auto entity = get_entity(L, 1)) {
+        return lua::pushvec3_arr(L, entity->getTransform().pos);
+    }
+    return 0;
+}
+
+static int l_set_pos(lua::State* L) {
+    if (auto entity = get_entity(L, 1)) {
+        entity->getTransform().pos = lua::tovec3(L, 2);
+    }
+    return 0;
+}
+
 static int l_get_vel(lua::State* L) {
     if (auto entity = get_entity(L, 1)) {
         return lua::pushvec3_arr(L, entity->getHitbox().velocity);
@@ -61,9 +75,19 @@ static int l_set_rot(lua::State* L) {
 
 const luaL_Reg entitylib [] = {
     {"spawn", lua::wrap<l_spawn>},
-    {"get_vel", lua::wrap<l_get_vel>},
-    {"set_vel", lua::wrap<l_set_vel>},
+    {NULL, NULL}
+};
+
+ const luaL_Reg transformlib [] = {
+    {"get_pos", lua::wrap<l_get_pos>},
+    {"set_pos", lua::wrap<l_set_pos>},
     {"get_rot", lua::wrap<l_get_rot>},
     {"set_rot", lua::wrap<l_set_rot>},
     {NULL, NULL}
+ };
+
+const luaL_Reg rigidbodylib [] = {
+    {"get_vel", lua::wrap<l_get_vel>},
+    {"set_vel", lua::wrap<l_set_vel>},
+    {NULL, NULL}
 };

src/logic/scripting/lua/lua_engine.cpp

@@ -48,6 +48,10 @@ static void create_libs(lua::State* L) {
     openlib(L, "vec4", vec4lib);
     openlib(L, "world", worldlib);
 
+    // components
+    openlib(L, "Rigidbody", rigidbodylib);
+    openlib(L, "Transform", transformlib);
+
     addfunc(L, "print", lua::wrap<l_print>);
 }