#include "server.h"
#include "log.h"
#include "tool.h"
-#include "server.h"
+#include "serverobject.h"
+#include "porting.h"
+#include "mg_schematic.h"
+#include "noise.h"
+#include <json/json.h>
struct EnumString es_TileAnimationType[] =
{
getboolfield(L, index, "liquids_pointable", def.liquids_pointable);
warn_if_field_exists(L, index, "tool_digging_properties",
- "deprecated: use tool_capabilities");
+ "Deprecated; use tool_capabilities");
lua_getfield(L, index, "tool_capabilities");
if(lua_istable(L, -1)){
lua_getfield(L, -1, "place");
read_soundspec(L, -1, def.sound_place);
lua_pop(L, 1);
+ lua_getfield(L, -1, "place_failed");
+ read_soundspec(L, -1, def.sound_place_failed);
+ lua_pop(L, 1);
}
lua_pop(L, 1);
+ def.range = getfloatfield_default(L, index, "range", def.range);
+
// Client shall immediately place this node when player places the item.
// Server will update the precise end result a moment later.
// "" = no prediction
prop->hp_max = getintfield_default(L, -1, "hp_max", 10);
getboolfield(L, -1, "physical", prop->physical);
+ getboolfield(L, -1, "collide_with_objects", prop->collideWithObjects);
getfloatfield(L, -1, "weight", prop->weight);
lua_pop(L, 1);
lua_getfield(L, -1, "colors");
- if(lua_istable(L, -1)){
- prop->colors.clear();
+ if (lua_istable(L, -1)) {
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->colors.push_back(readARGB8(L, -1));
- else
- prop->colors.push_back(video::SColor(255, 255, 255, 255));
- // removes value, keeps key for next iteration
- lua_pop(L, 1);
+ prop->colors.clear();
+ for (lua_pushnil(L); lua_next(L, table); lua_pop(L, 1)) {
+ video::SColor color(255, 255, 255, 255);
+ read_color(L, -1, &color);
+ prop->colors.push_back(color);
}
}
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);
+ if (getfloatfield(L, -1, "stepheight", prop->stepheight))
+ prop->stepheight *= BS;
+ lua_getfield(L, -1, "automatic_face_movement_dir");
+ if (lua_isnumber(L, -1)) {
+ prop->automatic_face_movement_dir = true;
+ prop->automatic_face_movement_dir_offset = luaL_checknumber(L, -1);
+ } else if (lua_isboolean(L, -1)) {
+ prop->automatic_face_movement_dir = lua_toboolean(L, -1);
+ prop->automatic_face_movement_dir_offset = 0.0;
+ }
+ lua_pop(L, 1);
+ getboolfield(L, -1, "backface_culling", prop->backface_culling);
+
+ getstringfield(L, -1, "nametag", prop->nametag);
+ lua_getfield(L, -1, "nametag_color");
+ if (!lua_isnil(L, -1)) {
+ video::SColor color = prop->nametag_color;
+ if (read_color(L, -1, &color))
+ prop->nametag_color = color;
+ }
+ lua_pop(L, 1);
+
+ lua_getfield(L, -1, "automatic_face_movement_max_rotation_per_sec");
+ if (lua_isnumber(L, -1)) {
+ prop->automatic_face_movement_max_rotation_per_sec = luaL_checknumber(L, -1);
+ }
+ lua_pop(L, 1);
+ getstringfield(L, -1, "infotext", prop->infotext);
}
/******************************************************************************/
-TileDef read_tiledef(lua_State *L, int index)
+void push_object_properties(lua_State *L, ObjectProperties *prop)
+{
+ lua_newtable(L);
+ lua_pushnumber(L, prop->hp_max);
+ lua_setfield(L, -2, "hp_max");
+ lua_pushboolean(L, prop->physical);
+ lua_setfield(L, -2, "physical");
+ lua_pushboolean(L, prop->collideWithObjects);
+ lua_setfield(L, -2, "collide_with_objects");
+ lua_pushnumber(L, prop->weight);
+ lua_setfield(L, -2, "weight");
+ push_aabb3f(L, prop->collisionbox);
+ lua_setfield(L, -2, "collisionbox");
+ lua_pushlstring(L, prop->visual.c_str(), prop->visual.size());
+ lua_setfield(L, -2, "visual");
+ lua_pushlstring(L, prop->mesh.c_str(), prop->mesh.size());
+ lua_setfield(L, -2, "mesh");
+ push_v2f(L, prop->visual_size);
+ lua_setfield(L, -2, "visual_size");
+
+ lua_newtable(L);
+ u16 i = 1;
+ for (std::vector<std::string>::iterator it = prop->textures.begin();
+ it != prop->textures.end(); ++it) {
+ lua_pushlstring(L, it->c_str(), it->size());
+ lua_rawseti(L, -2, i);
+ }
+ lua_setfield(L, -2, "textures");
+
+ lua_newtable(L);
+ i = 1;
+ for (std::vector<video::SColor>::iterator it = prop->colors.begin();
+ it != prop->colors.end(); ++it) {
+ push_ARGB8(L, *it);
+ lua_rawseti(L, -2, i);
+ }
+ lua_setfield(L, -2, "colors");
+
+ push_v2s16(L, prop->spritediv);
+ lua_setfield(L, -2, "spritediv");
+ push_v2s16(L, prop->initial_sprite_basepos);
+ lua_setfield(L, -2, "initial_sprite_basepos");
+ lua_pushboolean(L, prop->is_visible);
+ lua_setfield(L, -2, "is_visible");
+ lua_pushboolean(L, prop->makes_footstep_sound);
+ lua_setfield(L, -2, "makes_footstep_sound");
+ lua_pushnumber(L, prop->automatic_rotate);
+ lua_setfield(L, -2, "automatic_rotate");
+ lua_pushnumber(L, prop->stepheight / BS);
+ lua_setfield(L, -2, "stepheight");
+ if (prop->automatic_face_movement_dir)
+ lua_pushnumber(L, prop->automatic_face_movement_dir_offset);
+ else
+ lua_pushboolean(L, false);
+ lua_setfield(L, -2, "automatic_face_movement_dir");
+ lua_pushboolean(L, prop->backface_culling);
+ lua_setfield(L, -2, "backface_culling");
+ lua_pushlstring(L, prop->nametag.c_str(), prop->nametag.size());
+ lua_setfield(L, -2, "nametag");
+ push_ARGB8(L, prop->nametag_color);
+ lua_setfield(L, -2, "nametag_color");
+ lua_pushnumber(L, prop->automatic_face_movement_max_rotation_per_sec);
+ lua_setfield(L, -2, "automatic_face_movement_max_rotation_per_sec");
+ lua_pushlstring(L, prop->infotext.c_str(), prop->infotext.size());
+ lua_setfield(L, -2, "infotext");
+}
+
+/******************************************************************************/
+TileDef read_tiledef(lua_State *L, int index, u8 drawtype)
{
if(index < 0)
index = lua_gettop(L) + 1 + index;
TileDef tiledef;
+ bool default_tiling = true;
+ bool default_culling = true;
+ switch (drawtype) {
+ case NDT_PLANTLIKE:
+ case NDT_FIRELIKE:
+ default_tiling = false;
+ // "break" is omitted here intentionaly, as PLANTLIKE
+ // FIRELIKE drawtype both should default to having
+ // backface_culling to false.
+ case NDT_MESH:
+ case NDT_LIQUID:
+ default_culling = false;
+ break;
+ default:
+ break;
+ }
+
// key at index -2 and value at index
if(lua_isstring(L, index)){
// "default_lava.png"
tiledef.name = lua_tostring(L, index);
+ tiledef.tileable_vertical = default_tiling;
+ tiledef.tileable_horizontal = default_tiling;
+ tiledef.backface_culling = default_culling;
}
else if(lua_istable(L, index))
{
getstringfield(L, index, "name", tiledef.name);
getstringfield(L, index, "image", tiledef.name); // MaterialSpec compat.
tiledef.backface_culling = getboolfield_default(
- L, index, "backface_culling", true);
+ L, index, "backface_culling", default_culling);
+ tiledef.tileable_horizontal = getboolfield_default(
+ L, index, "tileable_horizontal", default_tiling);
+ tiledef.tileable_vertical = getboolfield_default(
+ L, index, "tileable_vertical", default_tiling);
// animation = {}
lua_getfield(L, index, "animation");
if(lua_istable(L, -1)){
// {type="vertical_frames", aspect_w=16, aspect_h=16, length=2.0}
tiledef.animation.type = (TileAnimationType)
- getenumfield(L, -1, "type", es_TileAnimationType,
- TAT_NONE);
+ getenumfield(L, -1, "type", es_TileAnimationType,
+ TAT_NONE);
tiledef.animation.aspect_w =
- getintfield_default(L, -1, "aspect_w", 16);
+ getintfield_default(L, -1, "aspect_w", 16);
tiledef.animation.aspect_h =
- getintfield_default(L, -1, "aspect_h", 16);
+ getintfield_default(L, -1, "aspect_h", 16);
tiledef.animation.length =
- getfloatfield_default(L, -1, "length", 1.0);
+ getfloatfield_default(L, -1, "length", 1.0);
}
lua_pop(L, 1);
}
lua_getfield(L, index, "on_rightclick");
f.rightclickable = lua_isfunction(L, -1);
lua_pop(L, 1);
-
+
/* Name */
getstringfield(L, index, "name", f.name);
ScriptApiNode::es_DrawType,NDT_NORMAL);
getfloatfield(L, index, "visual_scale", f.visual_scale);
+ /* Meshnode model filename */
+ getstringfield(L, index, "mesh", f.mesh);
+
// tiles = {}
lua_getfield(L, index, "tiles");
// If nil, try the deprecated name "tile_images" instead
int i = 0;
while(lua_next(L, table) != 0){
// Read tiledef from value
- f.tiledef[i] = read_tiledef(L, -1);
+ f.tiledef[i] = read_tiledef(L, -1, f.drawtype);
// removes value, keeps key for next iteration
lua_pop(L, 1);
i++;
int i = 0;
while(lua_next(L, table) != 0){
// Read tiledef from value
- f.tiledef_special[i] = read_tiledef(L, -1);
+ f.tiledef_special[i] = read_tiledef(L, -1, f.drawtype);
// removes value, keeps key for next iteration
lua_pop(L, 1);
i++;
- if(i==6){
+ if(i==CF_SPECIAL_COUNT){
lua_pop(L, 1);
break;
}
/* Other stuff */
lua_getfield(L, index, "post_effect_color");
- if(!lua_isnil(L, -1))
- f.post_effect_color = readARGB8(L, -1);
+ read_color(L, -1, &f.post_effect_color);
lua_pop(L, 1);
f.param_type = (ContentParamType)getenumfield(L, index, "paramtype",
// Warn about some deprecated fields
warn_if_field_exists(L, index, "wall_mounted",
- "deprecated: use paramtype2 = 'wallmounted'");
+ "Deprecated; use paramtype2 = 'wallmounted'");
warn_if_field_exists(L, index, "light_propagates",
- "deprecated: determined from paramtype");
+ "Deprecated; determined from paramtype");
warn_if_field_exists(L, index, "dug_item",
- "deprecated: use 'drop' field");
+ "Deprecated; use 'drop' field");
warn_if_field_exists(L, index, "extra_dug_item",
- "deprecated: use 'drop' field");
+ "Deprecated; use 'drop' field");
warn_if_field_exists(L, index, "extra_dug_item_rarity",
- "deprecated: use 'drop' field");
+ "Deprecated; use 'drop' field");
warn_if_field_exists(L, index, "metadata_name",
- "deprecated: use on_add and metadata callbacks");
+ "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);
+ // Liquids flow into and replace node
+ getboolfield(L, index, "floodable", f.floodable);
// Whether the node is non-liquid, source liquid or flowing liquid
f.liquid_type = (LiquidType)getenumfield(L, index, "liquidtype",
ScriptApiNode::es_LiquidType, LIQUID_NONE);
// the slowest possible
f.liquid_viscosity = getintfield_default(L, index,
"liquid_viscosity", f.liquid_viscosity);
+ f.liquid_range = getintfield_default(L, index,
+ "liquid_range", f.liquid_range);
+ f.leveled = getintfield_default(L, index, "leveled", f.leveled);
+
getboolfield(L, index, "liquid_renewable", f.liquid_renewable);
+ f.drowning = getintfield_default(L, index,
+ "drowning", f.drowning);
// Amount of light the node emits
f.light_source = getintfield_default(L, index,
"light_source", f.light_source);
f.node_box = read_nodebox(L, -1);
lua_pop(L, 1);
+ lua_getfield(L, index, "connects_to");
+ if (lua_istable(L, -1)) {
+ int table = lua_gettop(L);
+ lua_pushnil(L);
+ while (lua_next(L, table) != 0) {
+ // Value at -1
+ f.connects_to.push_back(lua_tostring(L, -1));
+ lua_pop(L, 1);
+ }
+ }
+ lua_pop(L, 1);
+
+ lua_getfield(L, index, "connect_sides");
+ if (lua_istable(L, -1)) {
+ int table = lua_gettop(L);
+ lua_pushnil(L);
+ while (lua_next(L, table) != 0) {
+ // Value at -1
+ std::string side(lua_tostring(L, -1));
+ // Note faces are flipped to make checking easier
+ if (side == "top")
+ f.connect_sides |= 2;
+ else if (side == "bottom")
+ f.connect_sides |= 1;
+ else if (side == "front")
+ f.connect_sides |= 16;
+ else if (side == "left")
+ f.connect_sides |= 32;
+ else if (side == "back")
+ f.connect_sides |= 4;
+ else if (side == "right")
+ f.connect_sides |= 8;
+ else
+ warningstream << "Unknown value for \"connect_sides\": "
+ << side << std::endl;
+ lua_pop(L, 1);
+ }
+ }
+ lua_pop(L, 1);
+
lua_getfield(L, index, "selection_box");
if(lua_istable(L, -1))
f.selection_box = read_nodebox(L, -1);
lua_pop(L, 1);
+ lua_getfield(L, index, "collision_box");
+ if(lua_istable(L, -1))
+ f.collision_box = read_nodebox(L, -1);
+ lua_pop(L, 1);
+
+ f.waving = getintfield_default(L, index,
+ "waving", f.waving);
+
// Set to true if paramtype used to be 'facedir_simple'
getboolfield(L, index, "legacy_facedir_simple", f.legacy_facedir_simple);
// Set to true if wall_mounted used to be set to true
nodebox.type = (NodeBoxType)getenumfield(L, index, "type",
ScriptApiNode::es_NodeBoxType, NODEBOX_REGULAR);
- lua_getfield(L, index, "fixed");
- if(lua_istable(L, -1))
- nodebox.fixed = read_aabb3f_vector(L, -1, BS);
- lua_pop(L, 1);
-
- lua_getfield(L, index, "wall_top");
- if(lua_istable(L, -1))
- nodebox.wall_top = read_aabb3f(L, -1, BS);
- lua_pop(L, 1);
-
- lua_getfield(L, index, "wall_bottom");
- if(lua_istable(L, -1))
- nodebox.wall_bottom = read_aabb3f(L, -1, BS);
- lua_pop(L, 1);
-
- lua_getfield(L, index, "wall_side");
- if(lua_istable(L, -1))
- nodebox.wall_side = read_aabb3f(L, -1, BS);
- lua_pop(L, 1);
+#define NODEBOXREAD(n, s) \
+ do { \
+ lua_getfield(L, index, (s)); \
+ if (lua_istable(L, -1)) \
+ (n) = read_aabb3f(L, -1, BS); \
+ lua_pop(L, 1); \
+ } while (0)
+
+#define NODEBOXREADVEC(n, s) \
+ do { \
+ lua_getfield(L, index, (s)); \
+ if (lua_istable(L, -1)) \
+ (n) = read_aabb3f_vector(L, -1, BS); \
+ lua_pop(L, 1); \
+ } while (0)
+ NODEBOXREADVEC(nodebox.fixed, "fixed");
+ NODEBOXREAD(nodebox.wall_top, "wall_top");
+ NODEBOXREAD(nodebox.wall_bottom, "wall_bottom");
+ NODEBOXREAD(nodebox.wall_side, "wall_side");
+ NODEBOXREADVEC(nodebox.connect_top, "connect_top");
+ NODEBOXREADVEC(nodebox.connect_bottom, "connect_bottom");
+ NODEBOXREADVEC(nodebox.connect_front, "connect_front");
+ NODEBOXREADVEC(nodebox.connect_left, "connect_left");
+ NODEBOXREADVEC(nodebox.connect_back, "connect_back");
+ NODEBOXREADVEC(nodebox.connect_right, "connect_right");
}
return nodebox;
}
MapNode readnode(lua_State *L, int index, INodeDefManager *ndef)
{
lua_getfield(L, index, "name");
- const char *name = luaL_checkstring(L, -1);
+ if (!lua_isstring(L, -1))
+ throw LuaError("Node name is not set or is not a string!");
+ const char *name = lua_tostring(L, -1);
lua_pop(L, 1);
- u8 param1;
+
+ u8 param1 = 0;
lua_getfield(L, index, "param1");
- if(lua_isnil(L, -1))
- param1 = 0;
- else
+ if (!lua_isnil(L, -1))
param1 = lua_tonumber(L, -1);
lua_pop(L, 1);
- u8 param2;
+
+ u8 param2 = 0;
lua_getfield(L, index, "param2");
- if(lua_isnil(L, -1))
- param2 = 0;
- else
+ if (!lua_isnil(L, -1))
param2 = lua_tonumber(L, -1);
lua_pop(L, 1);
+
return MapNode(ndef, name, param1, param2);
}
/******************************************************************************/
void warn_if_field_exists(lua_State *L, int table,
- const char *fieldname, const std::string &message)
+ const char *name, const std::string &message)
{
- lua_getfield(L, table, fieldname);
- if(!lua_isnil(L, -1)){
-//TODO find way to access backtrace fct from here
- // infostream<<script_get_backtrace(L)<<std::endl;
- infostream<<"WARNING: field \""<<fieldname<<"\": "
- <<message<<std::endl;
+ lua_getfield(L, table, name);
+ if (!lua_isnil(L, -1)) {
+ warningstream << "Field \"" << name << "\": "
+ << message << std::endl;
+ infostream << script_get_backtrace(L) << std::endl;
}
lua_pop(L, 1);
}
}
catch(SerializationError &e)
{
- infostream<<"WARNING: unable to create item from itemstring"
+ warningstream<<"unable to create item from itemstring"
<<": "<<itemstring<<std::endl;
return ItemStack();
}
}
else
{
- throw LuaError(L, "Expecting itemstack, itemstring, table or nil");
+ throw LuaError("Expecting itemstack, itemstring, table or nil");
}
}
}
/******************************************************************************/
-void push_inventory_list(Inventory *inv, const char *name,
- lua_State *L)
+void push_inventory_list(lua_State *L, Inventory *inv, const char *name)
{
InventoryList *invlist = inv->getList(name);
if(invlist == NULL){
}
/******************************************************************************/
-void read_inventory_list(Inventory *inv, const char *name,
- lua_State *L, int tableindex, Server* srv,int forcesize)
+void read_inventory_list(lua_State *L, int tableindex,
+ Inventory *inv, const char *name, Server* srv, int forcesize)
{
if(tableindex < 0)
tableindex = lua_gettop(L) + 1 + tableindex;
getintfield(L, table_groupcap, "uses", groupcap.uses);
// DEPRECATED: maxwear
float maxwear = 0;
- if(getfloatfield(L, table_groupcap, "maxwear", maxwear)){
- if(maxwear != 0)
+ if (getfloatfield(L, table_groupcap, "maxwear", maxwear)){
+ if (maxwear != 0)
groupcap.uses = 1.0/maxwear;
else
groupcap.uses = 0;
- infostream<<script_get_backtrace(L)<<std::endl;
- infostream<<"WARNING: field \"maxwear\" is deprecated; "
- <<"should replace with uses=1/maxwear"<<std::endl;
+ warningstream << "Field \"maxwear\" is deprecated; "
+ << "replace with uses=1/maxwear" << std::endl;
+ infostream << script_get_backtrace(L) << std::endl;
}
// Read "times" table
lua_getfield(L, table_groupcap, "times");
}
/******************************************************************************/
-u32 getflagsfield(lua_State *L, int table,
- const char *fieldname, FlagDesc *flagdesc) {
- std::string flagstring;
- flagstring = getstringfield_default(L, table, fieldname, "");
- return readFlagString(flagstring, flagdesc);
+bool getflagsfield(lua_State *L, int table, const char *fieldname,
+ FlagDesc *flagdesc, u32 *flags, u32 *flagmask)
+{
+ lua_getfield(L, table, fieldname);
+
+ bool success = read_flags(L, -1, flagdesc, flags, flagmask);
+
+ lua_pop(L, 1);
+
+ return success;
+}
+
+bool read_flags(lua_State *L, int index, FlagDesc *flagdesc,
+ u32 *flags, u32 *flagmask)
+{
+ if (lua_isstring(L, index)) {
+ std::string flagstr = lua_tostring(L, index);
+ *flags = readFlagString(flagstr, flagdesc, flagmask);
+ } else if (lua_istable(L, index)) {
+ *flags = read_flags_table(L, index, flagdesc, flagmask);
+ } else {
+ return false;
+ }
+
+ return true;
+}
+
+u32 read_flags_table(lua_State *L, int table, FlagDesc *flagdesc, u32 *flagmask)
+{
+ u32 flags = 0, mask = 0;
+ char fnamebuf[64] = "no";
+
+ for (int i = 0; flagdesc[i].name; i++) {
+ bool result;
+
+ if (getboolfield(L, table, flagdesc[i].name, result)) {
+ mask |= flagdesc[i].flag;
+ if (result)
+ flags |= flagdesc[i].flag;
+ }
+
+ strlcpy(fnamebuf + 2, flagdesc[i].name, sizeof(fnamebuf) - 2);
+ if (getboolfield(L, table, fnamebuf, result))
+ mask |= flagdesc[i].flag;
+ }
+
+ if (flagmask)
+ *flagmask = mask;
+
+ return flags;
+}
+
+void push_flags_string(lua_State *L, FlagDesc *flagdesc, u32 flags, u32 flagmask)
+{
+ std::string flagstring = writeFlagString(flags, flagdesc, flagmask);
+ lua_pushlstring(L, flagstring.c_str(), flagstring.size());
}
/******************************************************************************/
}
/******************************************************************************/
-void push_items(lua_State *L, const std::vector<ItemStack> &items)
+void push_groups(lua_State *L, const std::map<std::string, int> &groups)
{
- // Get the table insert function
- lua_getglobal(L, "table");
- lua_getfield(L, -1, "insert");
- int table_insert = lua_gettop(L);
- // Create and fill table
lua_newtable(L);
- int table = lua_gettop(L);
- for(u32 i=0; i<items.size(); i++){
- ItemStack item = items[i];
- lua_pushvalue(L, table_insert);
- lua_pushvalue(L, table);
- LuaItemStack::create(L, item);
- if(lua_pcall(L, 2, 0, 0))
- script_error(L, "error: %s", lua_tostring(L, -1));
+ std::map<std::string, int>::const_iterator it;
+ for (it = groups.begin(); it != groups.end(); ++it) {
+ lua_pushnumber(L, it->second);
+ lua_setfield(L, -2, it->first.c_str());
+ }
+}
+
+/******************************************************************************/
+void push_items(lua_State *L, const std::vector<ItemStack> &items)
+{
+ lua_createtable(L, items.size(), 0);
+ for (u32 i = 0; i != items.size(); i++) {
+ LuaItemStack::create(L, items[i]);
+ lua_rawseti(L, -2, i + 1);
}
- lua_remove(L, -2); // Remove table
- lua_remove(L, -2); // Remove insert
}
/******************************************************************************/
-std::vector<ItemStack> read_items(lua_State *L, int index,Server* srv)
+std::vector<ItemStack> read_items(lua_State *L, int index, Server *srv)
{
if(index < 0)
index = lua_gettop(L) + 1 + index;
std::vector<ItemStack> items;
luaL_checktype(L, index, LUA_TTABLE);
lua_pushnil(L);
- while(lua_next(L, index) != 0){
- // key at index -2 and value at index -1
- items.push_back(read_item(L, -1, srv));
- // removes value, keeps key for next iteration
+ while (lua_next(L, index)) {
+ s32 key = luaL_checkinteger(L, -2);
+ if (key < 1) {
+ throw LuaError("Invalid inventory list index");
+ }
+ if (items.size() < (u32) key) {
+ items.resize(key);
+ }
+ items[key - 1] = read_item(L, -1, srv);
lua_pop(L, 1);
}
return items;
/******************************************************************************/
void luaentity_get(lua_State *L, u16 id)
{
- // Get minetest.luaentities[i]
- lua_getglobal(L, "minetest");
+ // Get luaentities[i]
+ lua_getglobal(L, "core");
lua_getfield(L, -1, "luaentities");
luaL_checktype(L, -1, LUA_TTABLE);
lua_pushnumber(L, id);
lua_gettable(L, -2);
- lua_remove(L, -2); // luaentities
- lua_remove(L, -2); // minetest
+ lua_remove(L, -2); // Remove luaentities
+ lua_remove(L, -2); // Remove core
}
/******************************************************************************/
-NoiseParams *read_noiseparams(lua_State *L, int index)
+bool read_noiseparams(lua_State *L, int index, NoiseParams *np)
{
if (index < 0)
index = lua_gettop(L) + 1 + index;
if (!lua_istable(L, index))
- return NULL;
+ return false;
- NoiseParams *np = new NoiseParams;
+ getfloatfield(L, index, "offset", np->offset);
+ getfloatfield(L, index, "scale", np->scale);
+ getfloatfield(L, index, "persist", np->persist);
+ getfloatfield(L, index, "persistence", np->persist);
+ getfloatfield(L, index, "lacunarity", np->lacunarity);
+ getintfield(L, index, "seed", np->seed);
+ getintfield(L, index, "octaves", np->octaves);
+
+ u32 flags = 0;
+ u32 flagmask = 0;
+ np->flags = getflagsfield(L, index, "flags", flagdesc_noiseparams,
+ &flags, &flagmask) ? flags : NOISE_FLAG_DEFAULTS;
- np->offset = getfloatfield_default(L, index, "offset", 0.0);
- np->scale = getfloatfield_default(L, index, "scale", 0.0);
lua_getfield(L, index, "spread");
np->spread = read_v3f(L, -1);
lua_pop(L, 1);
- np->seed = getintfield_default(L, index, "seed", 0);
- np->octaves = getintfield_default(L, index, "octaves", 0);
- np->persist = getfloatfield_default(L, index, "persist", 0.0);
- return np;
+ return true;
+}
+
+void push_noiseparams(lua_State *L, NoiseParams *np)
+{
+ lua_newtable(L);
+ lua_pushnumber(L, np->offset);
+ lua_setfield(L, -2, "offset");
+ lua_pushnumber(L, np->scale);
+ lua_setfield(L, -2, "scale");
+ lua_pushnumber(L, np->persist);
+ lua_setfield(L, -2, "persistence");
+ lua_pushnumber(L, np->lacunarity);
+ lua_setfield(L, -2, "lacunarity");
+ lua_pushnumber(L, np->seed);
+ lua_setfield(L, -2, "seed");
+ lua_pushnumber(L, np->octaves);
+ lua_setfield(L, -2, "octaves");
+
+ push_flags_string(L, flagdesc_noiseparams, np->flags,
+ np->flags);
+ lua_setfield(L, -2, "flags");
+
+ push_v3f(L, np->spread);
+ lua_setfield(L, -2, "spread");
+}
+
+/******************************************************************************/
+// Returns depth of json value tree
+static int push_json_value_getdepth(const Json::Value &value)
+{
+ if (!value.isArray() && !value.isObject())
+ return 1;
+
+ int maxdepth = 0;
+ for (Json::Value::const_iterator it = value.begin();
+ it != value.end(); ++it) {
+ int elemdepth = push_json_value_getdepth(*it);
+ if (elemdepth > maxdepth)
+ maxdepth = elemdepth;
+ }
+ return maxdepth + 1;
+}
+// Recursive function to convert JSON --> Lua table
+static bool push_json_value_helper(lua_State *L, const Json::Value &value,
+ int nullindex)
+{
+ switch(value.type()) {
+ case Json::nullValue:
+ default:
+ lua_pushvalue(L, nullindex);
+ break;
+ case Json::intValue:
+ lua_pushinteger(L, value.asInt());
+ break;
+ case Json::uintValue:
+ lua_pushinteger(L, value.asUInt());
+ break;
+ case Json::realValue:
+ lua_pushnumber(L, value.asDouble());
+ break;
+ case Json::stringValue:
+ {
+ const char *str = value.asCString();
+ lua_pushstring(L, str ? str : "");
+ }
+ break;
+ case Json::booleanValue:
+ lua_pushboolean(L, value.asInt());
+ break;
+ case Json::arrayValue:
+ lua_newtable(L);
+ for (Json::Value::const_iterator it = value.begin();
+ it != value.end(); ++it) {
+ push_json_value_helper(L, *it, nullindex);
+ lua_rawseti(L, -2, it.index() + 1);
+ }
+ break;
+ case Json::objectValue:
+ lua_newtable(L);
+ for (Json::Value::const_iterator it = value.begin();
+ it != value.end(); ++it) {
+#ifndef JSONCPP_STRING
+ const char *str = it.memberName();
+ lua_pushstring(L, str ? str : "");
+#else
+ std::string str = it.name();
+ lua_pushstring(L, str.c_str());
+#endif
+ push_json_value_helper(L, *it, nullindex);
+ lua_rawset(L, -3);
+ }
+ break;
+ }
+ return true;
+}
+// converts JSON --> Lua table; returns false if lua stack limit exceeded
+// nullindex: Lua stack index of value to use in place of JSON null
+bool push_json_value(lua_State *L, const Json::Value &value, int nullindex)
+{
+ if(nullindex < 0)
+ nullindex = lua_gettop(L) + 1 + nullindex;
+
+ int depth = push_json_value_getdepth(value);
+
+ // The maximum number of Lua stack slots used at each recursion level
+ // of push_json_value_helper is 2, so make sure there a depth * 2 slots
+ if (lua_checkstack(L, depth * 2))
+ return push_json_value_helper(L, value, nullindex);
+ else
+ return false;
+}
+
+// Converts Lua table --> JSON
+void read_json_value(lua_State *L, Json::Value &root, int index, u8 recursion)
+{
+ if (recursion > 16) {
+ throw SerializationError("Maximum recursion depth exceeded");
+ }
+ int type = lua_type(L, index);
+ if (type == LUA_TBOOLEAN) {
+ root = (bool) lua_toboolean(L, index);
+ } else if (type == LUA_TNUMBER) {
+ root = lua_tonumber(L, index);
+ } else if (type == LUA_TSTRING) {
+ size_t len;
+ const char *str = lua_tolstring(L, index, &len);
+ root = std::string(str, len);
+ } else if (type == LUA_TTABLE) {
+ lua_pushnil(L);
+ while (lua_next(L, index)) {
+ // Key is at -2 and value is at -1
+ Json::Value value;
+ read_json_value(L, value, lua_gettop(L), recursion + 1);
+
+ Json::ValueType roottype = root.type();
+ int keytype = lua_type(L, -1);
+ if (keytype == LUA_TNUMBER) {
+ lua_Number key = lua_tonumber(L, -1);
+ if (roottype != Json::nullValue && roottype != Json::arrayValue) {
+ throw SerializationError("Can't mix array and object values in JSON");
+ } else if (key < 1) {
+ throw SerializationError("Can't use zero-based or negative indexes in JSON");
+ } else if (floor(key) != key) {
+ throw SerializationError("Can't use indexes with a fractional part in JSON");
+ }
+ root[(Json::ArrayIndex) key - 1] = value;
+ } else if (keytype == LUA_TSTRING) {
+ if (roottype != Json::nullValue && roottype != Json::objectValue) {
+ throw SerializationError("Can't mix array and object values in JSON");
+ }
+ root[lua_tostring(L, -1)] = value;
+ } else {
+ throw SerializationError("Lua key to convert to JSON is not a string or number");
+ }
+ }
+ } else if (type == LUA_TNIL) {
+ root = Json::nullValue;
+ } else {
+ throw SerializationError("Can only store booleans, numbers, strings, objects, arrays, and null in JSON");
+ }
+ lua_pop(L, 1); // Pop value
}