return server;
}
-static ServerEnvironment* get_env(lua_State *L)
+/*static ServerEnvironment* get_env(lua_State *L)
{
// Get environment from registry
lua_getfield(L, LUA_REGISTRYINDEX, "minetest_env");
ServerEnvironment *env = (ServerEnvironment*)lua_touserdata(L, -1);
lua_pop(L, 1);
return env;
-}
+}*/
static void objectref_get(lua_State *L, u16 id)
{
}
}
+/*
+ Privileges
+*/
+static void read_privileges(lua_State *L, int index,
+ std::set<std::string> &result)
+{
+ result.clear();
+ lua_pushnil(L);
+ if(index < 0)
+ index -= 1;
+ while(lua_next(L, index) != 0){
+ // key at index -2 and value at index -1
+ std::string key = luaL_checkstring(L, -2);
+ bool value = lua_toboolean(L, -1);
+ if(value)
+ result.insert(key);
+ // removes value, keeps key for next iteration
+ lua_pop(L, 1);
+ }
+}
+
/*
ToolCapabilities
*/
}
}
+/*
+ ObjectProperties
+*/
+
+static void read_object_properties(lua_State *L, int index,
+ ObjectProperties *prop)
+{
+ if(index < 0)
+ index = lua_gettop(L) + 1 + index;
+ if(!lua_istable(L, index))
+ return;
+
+ prop->hp_max = getintfield_default(L, -1, "hp_max", 10);
+
+ getboolfield(L, -1, "physical", prop->physical);
+
+ getfloatfield(L, -1, "weight", prop->weight);
+
+ lua_getfield(L, -1, "collisionbox");
+ if(lua_istable(L, -1))
+ prop->collisionbox = read_aabbox3df32(L, -1, 1.0);
+ lua_pop(L, 1);
+
+ getstringfield(L, -1, "visual", prop->visual);
+
+ lua_getfield(L, -1, "visual_size");
+ if(lua_istable(L, -1))
+ prop->visual_size = read_v2f(L, -1);
+ lua_pop(L, 1);
+
+ lua_getfield(L, -1, "textures");
+ if(lua_istable(L, -1)){
+ prop->textures.clear();
+ int table = lua_gettop(L);
+ lua_pushnil(L);
+ while(lua_next(L, table) != 0){
+ // key at index -2 and value at index -1
+ if(lua_isstring(L, -1))
+ prop->textures.push_back(lua_tostring(L, -1));
+ else
+ prop->textures.push_back("");
+ // removes value, keeps key for next iteration
+ lua_pop(L, 1);
+ }
+ }
+ lua_pop(L, 1);
+
+ lua_getfield(L, -1, "spritediv");
+ if(lua_istable(L, -1))
+ prop->spritediv = read_v2s16(L, -1);
+ lua_pop(L, 1);
+
+ lua_getfield(L, -1, "initial_sprite_basepos");
+ if(lua_istable(L, -1))
+ prop->initial_sprite_basepos = read_v2s16(L, -1);
+ lua_pop(L, 1);
+
+ getboolfield(L, -1, "is_visible", prop->is_visible);
+ getboolfield(L, -1, "makes_footstep_sound", prop->makes_footstep_sound);
+ getfloatfield(L, -1, "automatic_rotate", prop->automatic_rotate);
+}
+
/*
ItemDefinition
*/
"deprecated: use 'drop' field");
warn_if_field_exists(L, index, "extra_dug_item_rarity",
"deprecated: use 'drop' field");
+ warn_if_field_exists(L, index, "metadata_name",
+ "deprecated: use on_add and metadata callbacks");
// True for all ground-like things like stone and mud, false for eg. trees
getboolfield(L, index, "is_ground_content", f.is_ground_content);
getboolfield(L, index, "climbable", f.climbable);
// Player can build on these
getboolfield(L, index, "buildable_to", f.buildable_to);
- // Metadata name of node (eg. "furnace")
- getstringfield(L, index, "metadata_name", f.metadata_name);
// Whether the node is non-liquid, source liquid or flowing liquid
f.liquid_type = (LiquidType)getenumfield(L, index, "liquidtype",
es_LiquidType, LIQUID_NONE);
return *(NodeMetaRef**)ud; // unbox pointer
}
- static NodeMetadata* getmeta(NodeMetaRef *ref)
+ static NodeMetadata* getmeta(NodeMetaRef *ref, bool auto_create)
{
NodeMetadata *meta = ref->m_env->getMap().getNodeMetadata(ref->m_p);
+ if(meta == NULL && auto_create)
+ {
+ meta = new NodeMetadata(ref->m_env->getGameDef());
+ ref->m_env->getMap().setNodeMetadata(ref->m_p, meta);
+ }
return meta;
}
- /*static IGenericNodeMetadata* getgenericmeta(NodeMetaRef *ref)
- {
- NodeMetadata *meta = getmeta(ref);
- if(meta == NULL)
- return NULL;
- if(meta->typeId() != NODEMETA_GENERIC)
- return NULL;
- return (IGenericNodeMetadata*)meta;
- }*/
-
static void reportMetadataChange(NodeMetaRef *ref)
{
// Inform other things that the metadata has changed
return 0;
}
- // get_type(self)
- static int l_get_type(lua_State *L)
+ // get_string(self, name)
+ static int l_get_string(lua_State *L)
{
NodeMetaRef *ref = checkobject(L, 1);
- NodeMetadata *meta = getmeta(ref);
+ std::string name = luaL_checkstring(L, 2);
+
+ NodeMetadata *meta = getmeta(ref, false);
if(meta == NULL){
- lua_pushnil(L);
+ lua_pushlstring(L, "", 0);
return 1;
}
- // Do it
- lua_pushstring(L, meta->typeName());
+ std::string str = meta->getString(name);
+ lua_pushlstring(L, str.c_str(), str.size());
return 1;
}
- // allows_text_input(self)
- static int l_allows_text_input(lua_State *L)
+ // set_string(self, name, var)
+ static int l_set_string(lua_State *L)
{
NodeMetaRef *ref = checkobject(L, 1);
- NodeMetadata *meta = getmeta(ref);
- if(meta == NULL) return 0;
- // Do it
- lua_pushboolean(L, meta->allowsTextInput());
- return 1;
- }
+ std::string name = luaL_checkstring(L, 2);
+ size_t len = 0;
+ const char *s = lua_tolstring(L, 3, &len);
+ std::string str(s, len);
- // set_text(self, text)
- static int l_set_text(lua_State *L)
- {
- NodeMetaRef *ref = checkobject(L, 1);
- NodeMetadata *meta = getmeta(ref);
- if(meta == NULL) return 0;
- // Do it
- std::string text = luaL_checkstring(L, 2);
- meta->setText(text);
+ NodeMetadata *meta = getmeta(ref, !str.empty());
+ if(meta == NULL || str == meta->getString(name))
+ return 0;
+ meta->setString(name, str);
reportMetadataChange(ref);
return 0;
}
- // get_text(self)
- static int l_get_text(lua_State *L)
+ // get_int(self, name)
+ static int l_get_int(lua_State *L)
{
NodeMetaRef *ref = checkobject(L, 1);
- NodeMetadata *meta = getmeta(ref);
- if(meta == NULL) return 0;
- // Do it
- std::string text = meta->getText();
- lua_pushstring(L, text.c_str());
- return 1;
- }
+ std::string name = lua_tostring(L, 2);
- // get_owner(self)
- static int l_get_owner(lua_State *L)
- {
- NodeMetaRef *ref = checkobject(L, 1);
- NodeMetadata *meta = getmeta(ref);
- if(meta == NULL) return 0;
- // Do it
- std::string owner = meta->getOwner();
- lua_pushstring(L, owner.c_str());
+ NodeMetadata *meta = getmeta(ref, false);
+ if(meta == NULL){
+ lua_pushnumber(L, 0);
+ return 1;
+ }
+ std::string str = meta->getString(name);
+ lua_pushnumber(L, stoi(str));
return 1;
}
- // set_owner(self, string)
- static int l_set_owner(lua_State *L)
+ // set_int(self, name, var)
+ static int l_set_int(lua_State *L)
{
NodeMetaRef *ref = checkobject(L, 1);
- NodeMetadata *meta = getmeta(ref);
- if(meta == NULL) return 0;
- // Do it
- std::string owner = luaL_checkstring(L, 2);
- meta->setOwner(owner);
+ std::string name = lua_tostring(L, 2);
+ int a = lua_tointeger(L, 3);
+ std::string str = itos(a);
+
+ NodeMetadata *meta = getmeta(ref, true);
+ if(meta == NULL || str == meta->getString(name))
+ return 0;
+ meta->setString(name, str);
reportMetadataChange(ref);
- return 1;
+ return 0;
}
- // get_allow_removal(self)
- static int l_get_allow_removal(lua_State *L)
+ // get_float(self, name)
+ static int l_get_float(lua_State *L)
{
NodeMetaRef *ref = checkobject(L, 1);
- NodeMetadata *meta = getmeta(ref);
+ std::string name = lua_tostring(L, 2);
+
+ NodeMetadata *meta = getmeta(ref, false);
if(meta == NULL){
- lua_pushboolean(L, true);
+ lua_pushnumber(L, 0);
return 1;
}
- // Do it
- lua_pushboolean(L, !meta->nodeRemovalDisabled());
+ std::string str = meta->getString(name);
+ lua_pushnumber(L, stof(str));
return 1;
}
- /* IGenericNodeMetadata interface */
-
- // set_infotext(self, text)
- static int l_set_infotext(lua_State *L)
+ // set_float(self, name, var)
+ static int l_set_float(lua_State *L)
{
NodeMetaRef *ref = checkobject(L, 1);
- NodeMetadata *meta = getmeta(ref);
- if(meta == NULL) return 0;
- // Do it
- std::string text = luaL_checkstring(L, 2);
- meta->setInfoText(text);
+ std::string name = lua_tostring(L, 2);
+ float a = lua_tonumber(L, 3);
+ std::string str = ftos(a);
+
+ NodeMetadata *meta = getmeta(ref, true);
+ if(meta == NULL || str == meta->getString(name))
+ return 0;
+ meta->setString(name, str);
reportMetadataChange(ref);
return 0;
}
static int l_get_inventory(lua_State *L)
{
NodeMetaRef *ref = checkobject(L, 1);
- NodeMetadata *meta = getmeta(ref);
- if(meta == NULL) return 0;
- // Do it
+ getmeta(ref, true); // try to ensure the metadata exists
InvRef::createNodeMeta(L, ref->m_p);
return 1;
}
- // set_inventory_draw_spec(self, text)
- static int l_set_inventory_draw_spec(lua_State *L)
+ // get_inventory_draw_spec(self)
+ static int l_get_inventory_draw_spec(lua_State *L)
{
NodeMetaRef *ref = checkobject(L, 1);
- NodeMetadata *meta = getmeta(ref);
- if(meta == NULL) return 0;
- // Do it
- std::string text = luaL_checkstring(L, 2);
- meta->setInventoryDrawSpec(text);
- reportMetadataChange(ref);
- return 0;
+
+ NodeMetadata *meta = getmeta(ref, false);
+ if(meta == NULL){
+ lua_pushlstring(L, "", 0);
+ return 1;
+ }
+ std::string str = meta->getInventoryDrawSpec();
+ lua_pushlstring(L, str.c_str(), str.size());
+ return 1;
}
- // set_allow_text_input(self, text)
- static int l_set_allow_text_input(lua_State *L)
+ // set_inventory_draw_spec(self, text)
+ static int l_set_inventory_draw_spec(lua_State *L)
{
NodeMetaRef *ref = checkobject(L, 1);
- NodeMetadata *meta = getmeta(ref);
- if(meta == NULL) return 0;
- // Do it
- bool b = lua_toboolean(L, 2);
- meta->setAllowTextInput(b);
+ size_t len = 0;
+ const char *s = lua_tolstring(L, 2, &len);
+ std::string str(s, len);
+
+ NodeMetadata *meta = getmeta(ref, !str.empty());
+ if(meta == NULL || str == meta->getInventoryDrawSpec())
+ return 0;
+ meta->setInventoryDrawSpec(str);
reportMetadataChange(ref);
return 0;
}
- // set_allow_removal(self, text)
- static int l_set_allow_removal(lua_State *L)
+ // get_form_spec(self)
+ static int l_get_form_spec(lua_State *L)
{
NodeMetaRef *ref = checkobject(L, 1);
- NodeMetadata *meta = getmeta(ref);
- if(meta == NULL) return 0;
- // Do it
- bool b = lua_toboolean(L, 2);
- meta->setRemovalDisabled(!b);
- reportMetadataChange(ref);
- return 0;
+
+ NodeMetadata *meta = getmeta(ref, false);
+ if(meta == NULL){
+ lua_pushlstring(L, "", 0);
+ return 1;
+ }
+ std::string str = meta->getFormSpec();
+ lua_pushlstring(L, str.c_str(), str.size());
+ return 1;
}
- // set_enforce_owner(self, text)
- static int l_set_enforce_owner(lua_State *L)
+ // set_form_spec(self, text)
+ static int l_set_form_spec(lua_State *L)
{
NodeMetaRef *ref = checkobject(L, 1);
- NodeMetadata *meta = getmeta(ref);
- if(meta == NULL) return 0;
- // Do it
- bool b = lua_toboolean(L, 2);
- meta->setEnforceOwner(b);
+ size_t len = 0;
+ const char *s = lua_tolstring(L, 2, &len);
+ std::string str(s, len);
+
+ NodeMetadata *meta = getmeta(ref, !str.empty());
+ if(meta == NULL || str == meta->getFormSpec())
+ return 0;
+ meta->setFormSpec(str);
reportMetadataChange(ref);
return 0;
}
- // is_inventory_modified(self)
- static int l_is_inventory_modified(lua_State *L)
+ // get_infotext(self)
+ static int l_get_infotext(lua_State *L)
{
NodeMetaRef *ref = checkobject(L, 1);
- NodeMetadata *meta = getmeta(ref);
- if(meta == NULL) return 0;
- // Do it
- lua_pushboolean(L, meta->isInventoryModified());
+
+ NodeMetadata *meta = getmeta(ref, false);
+ if(meta == NULL){
+ lua_pushlstring(L, "", 0);
+ return 1;
+ }
+ std::string str = meta->getInfoText();
+ lua_pushlstring(L, str.c_str(), str.size());
return 1;
}
- // reset_inventory_modified(self)
- static int l_reset_inventory_modified(lua_State *L)
+ // set_infotext(self, text)
+ static int l_set_infotext(lua_State *L)
{
NodeMetaRef *ref = checkobject(L, 1);
- NodeMetadata *meta = getmeta(ref);
- if(meta == NULL) return 0;
- // Do it
- meta->resetInventoryModified();
+ size_t len = 0;
+ const char *s = lua_tolstring(L, 2, &len);
+ std::string str(s, len);
+
+ NodeMetadata *meta = getmeta(ref, !str.empty());
+ if(meta == NULL || str == meta->getInfoText())
+ return 0;
+ meta->setInfoText(str);
reportMetadataChange(ref);
return 0;
}
- // is_text_modified(self)
- static int l_is_text_modified(lua_State *L)
+ // get_allow_removal(self)
+ static int l_get_allow_removal(lua_State *L)
{
NodeMetaRef *ref = checkobject(L, 1);
- NodeMetadata *meta = getmeta(ref);
- if(meta == NULL) return 0;
- // Do it
- lua_pushboolean(L, meta->isTextModified());
+
+ NodeMetadata *meta = getmeta(ref, false);
+ if(meta == NULL){
+ lua_pushboolean(L, true);
+ return 1;
+ }
+ lua_pushboolean(L, meta->getAllowRemoval());
return 1;
}
- // reset_text_modified(self)
- static int l_reset_text_modified(lua_State *L)
+ // set_allow_removal(self, flag)
+ static int l_set_allow_removal(lua_State *L)
{
NodeMetaRef *ref = checkobject(L, 1);
- NodeMetadata *meta = getmeta(ref);
- if(meta == NULL) return 0;
- // Do it
- meta->resetTextModified();
- reportMetadataChange(ref);
- return 0;
- }
+ bool flag = lua_toboolean(L, 2);
- // set_string(self, name, var)
- static int l_set_string(lua_State *L)
- {
- NodeMetaRef *ref = checkobject(L, 1);
- NodeMetadata *meta = getmeta(ref);
- if(meta == NULL) return 0;
- // Do it
- std::string name = luaL_checkstring(L, 2);
- size_t len = 0;
- const char *s = lua_tolstring(L, 3, &len);
- std::string str(s, len);
- meta->setString(name, str);
+ NodeMetadata *meta = getmeta(ref, flag != true);
+ if(meta == NULL || flag == meta->getAllowRemoval())
+ return 0;
+ meta->setAllowRemoval(flag);
reportMetadataChange(ref);
return 0;
}
- // get_string(self, name)
- static int l_get_string(lua_State *L)
- {
- NodeMetaRef *ref = checkobject(L, 1);
- NodeMetadata *meta = getmeta(ref);
- if(meta == NULL) return 0;
- // Do it
- std::string name = luaL_checkstring(L, 2);
- std::string str = meta->getString(name);
- lua_pushlstring(L, str.c_str(), str.size());
- return 1;
- }
-
public:
NodeMetaRef(v3s16 p, ServerEnvironment *env):
m_p(p),
};
const char NodeMetaRef::className[] = "NodeMetaRef";
const luaL_reg NodeMetaRef::methods[] = {
- method(NodeMetaRef, get_type),
- method(NodeMetaRef, allows_text_input),
- method(NodeMetaRef, set_text),
- method(NodeMetaRef, get_text),
- method(NodeMetaRef, get_owner),
- method(NodeMetaRef, set_owner),
- method(NodeMetaRef, get_allow_removal),
- method(NodeMetaRef, set_infotext),
+ method(NodeMetaRef, get_string),
+ method(NodeMetaRef, set_string),
+ method(NodeMetaRef, get_int),
+ method(NodeMetaRef, set_int),
+ method(NodeMetaRef, get_float),
+ method(NodeMetaRef, set_float),
method(NodeMetaRef, get_inventory),
+ method(NodeMetaRef, get_inventory_draw_spec),
method(NodeMetaRef, set_inventory_draw_spec),
- method(NodeMetaRef, set_allow_text_input),
+ method(NodeMetaRef, get_form_spec),
+ method(NodeMetaRef, set_form_spec),
+ method(NodeMetaRef, get_infotext),
+ method(NodeMetaRef, set_infotext),
+ method(NodeMetaRef, get_allow_removal),
method(NodeMetaRef, set_allow_removal),
- method(NodeMetaRef, set_enforce_owner),
- method(NodeMetaRef, is_inventory_modified),
- method(NodeMetaRef, reset_inventory_modified),
- method(NodeMetaRef, is_text_modified),
- method(NodeMetaRef, reset_text_modified),
- method(NodeMetaRef, set_string),
- method(NodeMetaRef, get_string),
{0,0}
};
return 1;
}
+ // set_armor_groups(self, groups)
+ static int l_set_armor_groups(lua_State *L)
+ {
+ ObjectRef *ref = checkobject(L, 1);
+ ServerActiveObject *co = getobject(ref);
+ if(co == NULL) return 0;
+ // Do it
+ ItemGroupList groups;
+ read_groups(L, 2, groups);
+ co->setArmorGroups(groups);
+ return 0;
+ }
+
+ // set_properties(self, properties)
+ static int l_set_properties(lua_State *L)
+ {
+ ObjectRef *ref = checkobject(L, 1);
+ ServerActiveObject *co = getobject(ref);
+ if(co == NULL) return 0;
+ ObjectProperties *prop = co->accessObjectProperties();
+ if(!prop)
+ return 0;
+ read_object_properties(L, 2, prop);
+ co->notifyObjectPropertiesModified();
+ return 0;
+ }
+
/* LuaEntitySAO-only */
// setvelocity(self, {x=num, y=num, z=num})
ObjectRef *ref = checkobject(L, 1);
LuaEntitySAO *co = getluaobject(ref);
if(co == NULL) return 0;
- // pos
v3f pos = checkFloatPos(L, 2);
// Do it
co->setVelocity(pos);
ObjectRef *ref = checkobject(L, 1);
LuaEntitySAO *co = getluaobject(ref);
if(co == NULL) return 0;
- // pos
float yaw = luaL_checknumber(L, 2) * core::RADTODEG;
// Do it
co->setYaw(yaw);
return 0;
}
- // set_armor_groups(self, groups)
- static int l_set_armor_groups(lua_State *L)
- {
- ObjectRef *ref = checkobject(L, 1);
- LuaEntitySAO *co = getluaobject(ref);
- if(co == NULL) return 0;
- // Do it
- ItemGroupList groups;
- read_groups(L, 2, groups);
- co->setArmorGroups(groups);
- return 0;
- }
-
// DEPRECATED
// get_entity_name(self)
static int l_get_entity_name(lua_State *L)
method(ObjectRef, get_wield_index),
method(ObjectRef, get_wielded_item),
method(ObjectRef, set_wielded_item),
+ method(ObjectRef, set_armor_groups),
+ method(ObjectRef, set_properties),
// LuaEntitySAO-only
method(ObjectRef, setvelocity),
method(ObjectRef, getvelocity),
method(ObjectRef, getyaw),
method(ObjectRef, settexturemod),
method(ObjectRef, setsprite),
- method(ObjectRef, set_armor_groups),
method(ObjectRef, get_entity_name),
method(ObjectRef, get_luaentity),
// Player-only
}
}
+
+/*
+ PerlinNoise
+ */
+
+class LuaPerlinNoise
+{
+private:
+ int seed;
+ int octaves;
+ double persistence;
+ double scale;
+ static const char className[];
+ static const luaL_reg methods[];
+
+ // Exported functions
+
+ // garbage collector
+ static int gc_object(lua_State *L)
+ {
+ LuaPerlinNoise *o = *(LuaPerlinNoise **)(lua_touserdata(L, 1));
+ delete o;
+ return 0;
+ }
+
+ static int l_get2d(lua_State *L)
+ {
+ LuaPerlinNoise *o = checkobject(L, 1);
+ v2f pos2d = read_v2f(L,2);
+ lua_Number val = noise2d_perlin(pos2d.X/o->scale, pos2d.Y/o->scale, o->seed, o->octaves, o->persistence);
+ lua_pushnumber(L, val);
+ return 1;
+ }
+ static int l_get3d(lua_State *L)
+ {
+ LuaPerlinNoise *o = checkobject(L, 1);
+ v3f pos3d = read_v3f(L,2);
+ lua_Number val = noise3d_perlin(pos3d.X/o->scale, pos3d.Y/o->scale, pos3d.Z/o->scale, o->seed, o->octaves, o->persistence);
+ lua_pushnumber(L, val);
+ return 1;
+ }
+
+public:
+ LuaPerlinNoise(int a_seed, int a_octaves, double a_persistence,
+ double a_scale):
+ seed(a_seed),
+ octaves(a_octaves),
+ persistence(a_persistence),
+ scale(a_scale)
+ {
+ }
+
+ ~LuaPerlinNoise()
+ {
+ }
+
+ // LuaPerlinNoise(seed, octaves, persistence, scale)
+ // Creates an LuaPerlinNoise and leaves it on top of stack
+ static int create_object(lua_State *L)
+ {
+ int seed = luaL_checkint(L, 1);
+ int octaves = luaL_checkint(L, 2);
+ double persistence = luaL_checknumber(L, 3);
+ double scale = luaL_checknumber(L, 4);
+ LuaPerlinNoise *o = new LuaPerlinNoise(seed, octaves, persistence, scale);
+ *(void **)(lua_newuserdata(L, sizeof(void *))) = o;
+ luaL_getmetatable(L, className);
+ lua_setmetatable(L, -2);
+ return 1;
+ }
+
+ static LuaPerlinNoise* checkobject(lua_State *L, int narg)
+ {
+ luaL_checktype(L, narg, LUA_TUSERDATA);
+ void *ud = luaL_checkudata(L, narg, className);
+ if(!ud) luaL_typerror(L, narg, className);
+ return *(LuaPerlinNoise**)ud; // unbox pointer
+ }
+
+ static void Register(lua_State *L)
+ {
+ lua_newtable(L);
+ int methodtable = lua_gettop(L);
+ luaL_newmetatable(L, className);
+ int metatable = lua_gettop(L);
+
+ lua_pushliteral(L, "__metatable");
+ lua_pushvalue(L, methodtable);
+ lua_settable(L, metatable); // hide metatable from Lua getmetatable()
+
+ lua_pushliteral(L, "__index");
+ lua_pushvalue(L, methodtable);
+ lua_settable(L, metatable);
+
+ lua_pushliteral(L, "__gc");
+ lua_pushcfunction(L, gc_object);
+ lua_settable(L, metatable);
+
+ lua_pop(L, 1); // drop metatable
+
+ luaL_openlib(L, 0, methods, 0); // fill methodtable
+ lua_pop(L, 1); // drop methodtable
+
+ // Can be created from Lua (PerlinNoise(seed, octaves, persistence)
+ lua_register(L, className, create_object);
+ }
+};
+const char LuaPerlinNoise::className[] = "PerlinNoise";
+const luaL_reg LuaPerlinNoise::methods[] = {
+ method(LuaPerlinNoise, get2d),
+ method(LuaPerlinNoise, get3d),
+ {0,0}
+};
+
/*
EnvRef
*/
static const char className[];
static const luaL_reg methods[];
+ static int gc_object(lua_State *L) {
+ EnvRef *o = *(EnvRef **)(lua_touserdata(L, 1));
+ delete o;
+ return 0;
+ }
+
static EnvRef *checkobject(lua_State *L, int narg)
{
luaL_checktype(L, narg, LUA_TUSERDATA);
ItemStack item = read_item(L, 3);
if(item.empty() || !item.isKnown(get_server(L)->idef()))
return 0;
- // Do it
+ // Use minetest.spawn_item to spawn a __builtin:item
+ lua_getglobal(L, "minetest");
+ lua_getfield(L, -1, "spawn_item");
+ if(lua_isnil(L, -1))
+ return 0;
+ lua_pushvalue(L, 2);
+ lua_pushstring(L, item.getItemString().c_str());
+ if(lua_pcall(L, 2, 1, 0))
+ script_error(L, "error: %s", lua_tostring(L, -1));
+ return 1;
+ /*lua_pushvalue(L, 1);
+ lua_pushstring(L, "__builtin:item");
+ lua_pushstring(L, item.getItemString().c_str());
+ return l_add_entity(L);*/
+ /*// Do it
ServerActiveObject *obj = createItemSAO(env, pos, item.getItemString());
int objectid = env->addActiveObject(obj);
// If failed to add, return nothing (reads as nil)
return 0;
// Return ObjectRef
objectref_get_or_create(L, obj);
- return 1;
+ return 1;*/
}
// EnvRef:add_rat(pos)
return 1;
}
- static int gc_object(lua_State *L) {
- EnvRef *o = *(EnvRef **)(lua_touserdata(L, 1));
- delete o;
+
+ // EnvRef:find_node_near(pos, radius, nodenames) -> pos or nil
+ // nodenames: eg. {"ignore", "group:tree"} or "default:dirt"
+ static int l_find_node_near(lua_State *L)
+ {
+ EnvRef *o = checkobject(L, 1);
+ ServerEnvironment *env = o->m_env;
+ if(env == NULL) return 0;
+ INodeDefManager *ndef = get_server(L)->ndef();
+ v3s16 pos = read_v3s16(L, 2);
+ int radius = luaL_checkinteger(L, 3);
+ std::set<content_t> filter;
+ if(lua_istable(L, 4)){
+ int table = 4;
+ lua_pushnil(L);
+ while(lua_next(L, table) != 0){
+ // key at index -2 and value at index -1
+ luaL_checktype(L, -1, LUA_TSTRING);
+ ndef->getIds(lua_tostring(L, -1), filter);
+ // removes value, keeps key for next iteration
+ lua_pop(L, 1);
+ }
+ } else if(lua_isstring(L, 4)){
+ ndef->getIds(lua_tostring(L, 4), filter);
+ }
+
+ for(int d=1; d<=radius; d++){
+ core::list<v3s16> list;
+ getFacePositions(list, d);
+ for(core::list<v3s16>::Iterator i = list.begin();
+ i != list.end(); i++){
+ v3s16 p = pos + (*i);
+ content_t c = env->getMap().getNodeNoEx(p).getContent();
+ if(filter.count(c) != 0){
+ push_v3s16(L, p);
+ return 1;
+ }
+ }
+ }
return 0;
}
+ // EnvRef:find_nodes_in_area(minp, maxp, nodenames) -> list of positions
+ // nodenames: eg. {"ignore", "group:tree"} or "default:dirt"
+ static int l_find_nodes_in_area(lua_State *L)
+ {
+ EnvRef *o = checkobject(L, 1);
+ ServerEnvironment *env = o->m_env;
+ if(env == NULL) return 0;
+ INodeDefManager *ndef = get_server(L)->ndef();
+ v3s16 minp = read_v3s16(L, 2);
+ v3s16 maxp = read_v3s16(L, 3);
+ std::set<content_t> filter;
+ if(lua_istable(L, 4)){
+ int table = 4;
+ lua_pushnil(L);
+ while(lua_next(L, table) != 0){
+ // key at index -2 and value at index -1
+ luaL_checktype(L, -1, LUA_TSTRING);
+ ndef->getIds(lua_tostring(L, -1), filter);
+ // removes value, keeps key for next iteration
+ lua_pop(L, 1);
+ }
+ } else if(lua_isstring(L, 4)){
+ ndef->getIds(lua_tostring(L, 4), filter);
+ }
+
+ // Get the table insert function
+ lua_getglobal(L, "table");
+ lua_getfield(L, -1, "insert");
+ int table_insert = lua_gettop(L);
+
+ lua_newtable(L);
+ int table = lua_gettop(L);
+ for(s16 x=minp.X; x<=maxp.X; x++)
+ for(s16 y=minp.Y; y<=maxp.Y; y++)
+ for(s16 z=minp.Z; z<=maxp.Z; z++)
+ {
+ v3s16 p(x,y,z);
+ content_t c = env->getMap().getNodeNoEx(p).getContent();
+ if(filter.count(c) != 0){
+ lua_pushvalue(L, table_insert);
+ lua_pushvalue(L, table);
+ push_v3s16(L, p);
+ if(lua_pcall(L, 2, 0, 0))
+ script_error(L, "error: %s", lua_tostring(L, -1));
+ }
+ }
+ return 1;
+ }
+
+ // EnvRef:get_perlin(seeddiff, octaves, persistence, scale)
+ // returns world-specific PerlinNoise
+ static int l_get_perlin(lua_State *L)
+ {
+ EnvRef *o = checkobject(L, 1);
+ ServerEnvironment *env = o->m_env;
+ if(env == NULL) return 0;
+
+ int seeddiff = luaL_checkint(L, 2);
+ int octaves = luaL_checkint(L, 3);
+ double persistence = luaL_checknumber(L, 4);
+ double scale = luaL_checknumber(L, 5);
+
+ LuaPerlinNoise *n = new LuaPerlinNoise(seeddiff + int(env->getServerMap().getSeed()), octaves, persistence, scale);
+ *(void **)(lua_newuserdata(L, sizeof(void *))) = n;
+ luaL_getmetatable(L, "PerlinNoise");
+ lua_setmetatable(L, -2);
+ return 1;
+ }
+
public:
EnvRef(ServerEnvironment *env):
m_env(env)
method(EnvRef, get_objects_inside_radius),
method(EnvRef, set_timeofday),
method(EnvRef, get_timeofday),
+ method(EnvRef, find_node_near),
+ method(EnvRef, find_nodes_in_area),
+ method(EnvRef, get_perlin),
{0,0}
};
LuaPseudoRandom
*/
+
class LuaPseudoRandom
{
private:
{0,0}
};
+
+
/*
LuaABM
*/
return 0; /* number of results */
}
+// setting_set(name, value)
+static int l_setting_set(lua_State *L)
+{
+ const char *name = luaL_checkstring(L, 1);
+ const char *value = luaL_checkstring(L, 2);
+ g_settings->set(name, value);
+ return 0;
+}
+
// setting_get(name)
static int l_setting_get(lua_State *L)
{
// Do it
lua_newtable(L);
int table = lua_gettop(L);
- u64 privs_i = server->getPlayerEffectivePrivs(name);
- std::set<std::string> privs_s = privsToSet(privs_i);
+ std::set<std::string> privs_s = server->getPlayerEffectivePrivs(name);
for(std::set<std::string>::const_iterator
i = privs_s.begin(); i != privs_s.end(); i++){
lua_pushboolean(L, true);
// get_modpath(modname)
static int l_get_modpath(lua_State *L)
{
- const char *modname = luaL_checkstring(L, 1);
+ std::string modname = luaL_checkstring(L, 1);
// Do it
+ if(modname == "__builtin"){
+ std::string path = get_server(L)->getBuiltinLuaPath();
+ lua_pushstring(L, path.c_str());
+ return 1;
+ }
const ModSpec *mod = get_server(L)->getModSpec(modname);
if(!mod){
lua_pushnil(L);
return 1;
}
+// get_password_hash(name, raw_password)
+static int l_get_password_hash(lua_State *L)
+{
+ std::string name = luaL_checkstring(L, 1);
+ std::string raw_password = luaL_checkstring(L, 2);
+ std::string hash = translatePassword(name,
+ narrow_to_wide(raw_password));
+ lua_pushstring(L, hash.c_str());
+ return 1;
+}
+
+// notify_authentication_modified(name)
+static int l_notify_authentication_modified(lua_State *L)
+{
+ std::string name = "";
+ if(lua_isstring(L, 1))
+ name = lua_tostring(L, 1);
+ get_server(L)->reportPrivsModified(name);
+ return 0;
+}
+
static const struct luaL_Reg minetest_f [] = {
{"debug", l_debug},
{"log", l_log},
{"register_item_raw", l_register_item_raw},
{"register_alias_raw", l_register_alias_raw},
{"register_craft", l_register_craft},
+ {"setting_set", l_setting_set},
{"setting_get", l_setting_get},
{"setting_getbool", l_setting_getbool},
{"chat_send_all", l_chat_send_all},
{"sound_play", l_sound_play},
{"sound_stop", l_sound_stop},
{"is_singleplayer", l_is_singleplayer},
+ {"get_password_hash", l_get_password_hash},
+ {"notify_authentication_modified", l_notify_authentication_modified},
{NULL, NULL}
};
ObjectRef::Register(L);
EnvRef::Register(L);
LuaPseudoRandom::Register(L);
+ LuaPerlinNoise::Register(L);
}
bool scriptapi_loadmod(lua_State *L, const std::string &scriptpath,
void scriptapi_get_creative_inventory(lua_State *L, ServerActiveObject *player)
{
+ realitycheck(L);
+ assert(lua_checkstack(L, 20));
+ StackUnroller stack_unroller(L);
+
Inventory *inv = player->getInventory();
assert(inv);
inventory_set_list_from_lua(inv, "main", L, -1, PLAYER_INVENTORY_SIZE);
}
+static void get_auth_handler(lua_State *L)
+{
+ lua_getglobal(L, "minetest");
+ lua_getfield(L, -1, "registered_auth_handler");
+ if(lua_isnil(L, -1)){
+ lua_pop(L, 1);
+ lua_getfield(L, -1, "builtin_auth_handler");
+ }
+ if(lua_type(L, -1) != LUA_TTABLE)
+ throw LuaError(L, "Authentication handler table not valid");
+}
+
+bool scriptapi_get_auth(lua_State *L, const std::string &playername,
+ std::string *dst_password, std::set<std::string> *dst_privs)
+{
+ realitycheck(L);
+ assert(lua_checkstack(L, 20));
+ StackUnroller stack_unroller(L);
+
+ get_auth_handler(L);
+ lua_getfield(L, -1, "get_auth");
+ if(lua_type(L, -1) != LUA_TFUNCTION)
+ throw LuaError(L, "Authentication handler missing get_auth");
+ lua_pushstring(L, playername.c_str());
+ if(lua_pcall(L, 1, 1, 0))
+ script_error(L, "error: %s", lua_tostring(L, -1));
+
+ // nil = login not allowed
+ if(lua_isnil(L, -1))
+ return false;
+ luaL_checktype(L, -1, LUA_TTABLE);
+
+ std::string password;
+ bool found = getstringfield(L, -1, "password", password);
+ if(!found)
+ throw LuaError(L, "Authentication handler didn't return password");
+ if(dst_password)
+ *dst_password = password;
+
+ lua_getfield(L, -1, "privileges");
+ if(!lua_istable(L, -1))
+ throw LuaError(L,
+ "Authentication handler didn't return privilege table");
+ if(dst_privs)
+ read_privileges(L, -1, *dst_privs);
+ lua_pop(L, 1);
+
+ return true;
+}
+
+void scriptapi_create_auth(lua_State *L, const std::string &playername,
+ const std::string &password)
+{
+ realitycheck(L);
+ assert(lua_checkstack(L, 20));
+ StackUnroller stack_unroller(L);
+
+ get_auth_handler(L);
+ lua_getfield(L, -1, "create_auth");
+ if(lua_type(L, -1) != LUA_TFUNCTION)
+ throw LuaError(L, "Authentication handler missing create_auth");
+ lua_pushstring(L, playername.c_str());
+ lua_pushstring(L, password.c_str());
+ if(lua_pcall(L, 2, 0, 0))
+ script_error(L, "error: %s", lua_tostring(L, -1));
+}
+
+bool scriptapi_set_password(lua_State *L, const std::string &playername,
+ const std::string &password)
+{
+ realitycheck(L);
+ assert(lua_checkstack(L, 20));
+ StackUnroller stack_unroller(L);
+
+ get_auth_handler(L);
+ lua_getfield(L, -1, "set_password");
+ if(lua_type(L, -1) != LUA_TFUNCTION)
+ throw LuaError(L, "Authentication handler missing set_password");
+ lua_pushstring(L, playername.c_str());
+ lua_pushstring(L, password.c_str());
+ if(lua_pcall(L, 2, 1, 0))
+ script_error(L, "error: %s", lua_tostring(L, -1));
+ return lua_toboolean(L, -1);
+}
+
/*
item callbacks and node callbacks
*/
luaentity_get(L, id);
//int object = lua_gettop(L);
- /* Read stuff */
-
- prop->hp_max = getintfield_default(L, -1, "hp_max", 10);
-
- getboolfield(L, -1, "physical", prop->physical);
-
- getfloatfield(L, -1, "weight", prop->weight);
-
- lua_getfield(L, -1, "collisionbox");
- if(lua_istable(L, -1))
- prop->collisionbox = read_aabbox3df32(L, -1, 1.0);
- lua_pop(L, 1);
-
- getstringfield(L, -1, "visual", prop->visual);
+ // Set default values that differ from ObjectProperties defaults
+ prop->hp_max = 10;
- lua_getfield(L, -1, "visual_size");
- if(lua_istable(L, -1))
- prop->visual_size = read_v2f(L, -1);
- lua_pop(L, 1);
-
- lua_getfield(L, -1, "textures");
- if(lua_istable(L, -1)){
- prop->textures.clear();
- int table = lua_gettop(L);
- lua_pushnil(L);
- while(lua_next(L, table) != 0){
- // key at index -2 and value at index -1
- if(lua_isstring(L, -1))
- prop->textures.push_back(lua_tostring(L, -1));
- else
- prop->textures.push_back("");
- // removes value, keeps key for next iteration
- lua_pop(L, 1);
- }
- }
- lua_pop(L, 1);
+ // Deprecated: read object properties directly
+ read_object_properties(L, -1, prop);
- lua_getfield(L, -1, "spritediv");
- if(lua_istable(L, -1))
- prop->spritediv = read_v2s16(L, -1);
- lua_pop(L, 1);
-
- lua_getfield(L, -1, "initial_sprite_basepos");
- if(lua_istable(L, -1))
- prop->initial_sprite_basepos = read_v2s16(L, -1);
+ // Read initial_properties
+ lua_getfield(L, -1, "initial_properties");
+ read_object_properties(L, -1, prop);
lua_pop(L, 1);
}