ContentFeatures read_content_features(lua_State *L, int index)
{
if(index < 0)
index = lua_gettop(L) + 1 + index;
ContentFeatures f;
/* Cache existence of some callbacks */
lua_getfield(L, index, "on_construct");
if(!lua_isnil(L, -1)) f.has_on_construct = true;
lua_pop(L, 1);
lua_getfield(L, index, "on_destruct");
if(!lua_isnil(L, -1)) f.has_on_destruct = true;
lua_pop(L, 1);
lua_getfield(L, index, "after_destruct");
if(!lua_isnil(L, -1)) f.has_after_destruct = true;
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);
/* Groups */
lua_getfield(L, index, "groups");
read_groups(L, -1, f.groups);
lua_pop(L, 1);
/* Visual definition */
f.drawtype = (NodeDrawType)getenumfield(L, index, "drawtype",
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
if(lua_isnil(L, -1)){
lua_pop(L, 1);
warn_if_field_exists(L, index, "tile_images",
"Deprecated; new name is \"tiles\".");
lua_getfield(L, index, "tile_images");
}
if(lua_istable(L, -1)){
int table = lua_gettop(L);
lua_pushnil(L);
int i = 0;
while(lua_next(L, table) != 0){
// Read tiledef from value
f.tiledef[i] = read_tiledef(L, -1, f.drawtype);
// removes value, keeps key for next iteration
lua_pop(L, 1);
i++;
if(i==6){
lua_pop(L, 1);
break;
}
}
// Copy last value to all remaining textures
if(i >= 1){
TileDef lasttile = f.tiledef[i-1];
while(i < 6){
f.tiledef[i] = lasttile;
i++;
}
}
}
lua_pop(L, 1);
// special_tiles = {}
lua_getfield(L, index, "special_tiles");
// If nil, try the deprecated name "special_materials" instead
if(lua_isnil(L, -1)){
lua_pop(L, 1);
warn_if_field_exists(L, index, "special_materials",
"Deprecated; new name is \"special_tiles\".");
lua_getfield(L, index, "special_materials");
}
if(lua_istable(L, -1)){
int table = lua_gettop(L);
lua_pushnil(L);
int i = 0;
while(lua_next(L, table) != 0){
// Read tiledef from value
f.tiledef_special[i] = read_tiledef(L, -1, f.drawtype);
// removes value, keeps key for next iteration
lua_pop(L, 1);
i++;
if(i==CF_SPECIAL_COUNT){
lua_pop(L, 1);
break;
}
}
}
lua_pop(L, 1);
f.alpha = getintfield_default(L, index, "alpha", 255);
bool usealpha = getboolfield_default(L, index,
"use_texture_alpha", false);
if (usealpha)
f.alpha = 0;
// Read node color.
lua_getfield(L, index, "color");
read_color(L, -1, &f.color);
lua_pop(L, 1);
getstringfield(L, index, "palette", f.palette_name);
/* Other stuff */
lua_getfield(L, index, "post_effect_color");
read_color(L, -1, &f.post_effect_color);
lua_pop(L, 1);
f.param_type = (ContentParamType)getenumfield(L, index, "paramtype",
ScriptApiNode::es_ContentParamType, CPT_NONE);
f.param_type_2 = (ContentParamType2)getenumfield(L, index, "paramtype2",
ScriptApiNode::es_ContentParamType2, CPT2_NONE);
if (f.palette_name != "" &&
!(f.param_type_2 == CPT2_COLOR ||
f.param_type_2 == CPT2_COLORED_FACEDIR ||
f.param_type_2 == CPT2_COLORED_WALLMOUNTED))
warningstream << "Node " << f.name.c_str()
<< " has a palette, but not a suitable paramtype2." << std::endl;
// Warn about some deprecated fields
warn_if_field_exists(L, index, "wall_mounted",
"Deprecated; use paramtype2 = 'wallmounted'");
warn_if_field_exists(L, index, "light_propagates",
"Deprecated; determined from paramtype");
warn_if_field_exists(L, index, "dug_item",
"Deprecated; use 'drop' field");
warn_if_field_exists(L, index, "extra_dug_item",
"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);
f.light_propagates = (f.param_type == CPT_LIGHT);
getboolfield(L, index, "sunlight_propagates", f.sunlight_propagates);
// This is used for collision detection.
// Also for general solidness queries.
getboolfield(L, index, "walkable", f.walkable);
// Player can point to these
getboolfield(L, index, "pointable", f.pointable);
// Player can dig these
getboolfield(L, index, "diggable", f.diggable);
// Player can climb these
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);
// If the content is liquid, this is the flowing version of the liquid.
getstringfield(L, index, "liquid_alternative_flowing",
f.liquid_alternative_flowing);
// If the content is liquid, this is the source version of the liquid.
getstringfield(L, index, "liquid_alternative_source",
f.liquid_alternative_source);
// Viscosity for fluid flow, ranging from 1 to 7, with
// 1 giving almost instantaneous propagation and 7 being
// 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);
if (f.light_source > LIGHT_MAX) {
warningstream << "Node " << f.name.c_str()
<< " had greater light_source than " << LIGHT_MAX
<< ", it was reduced." << std::endl;
f.light_source = LIGHT_MAX;
}
f.damage_per_second = getintfield_default(L, index,
"damage_per_second", f.damage_per_second);
lua_getfield(L, index, "node_box");
if(lua_istable(L, -1))
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
getboolfield(L, index, "legacy_wallmounted", f.legacy_wallmounted);
// Sound table
lua_getfield(L, index, "sounds");
if(lua_istable(L, -1)){
lua_getfield(L, -1, "footstep");
read_soundspec(L, -1, f.sound_footstep);
lua_pop(L, 1);
lua_getfield(L, -1, "dig");
read_soundspec(L, -1, f.sound_dig);
lua_pop(L, 1);
lua_getfield(L, -1, "dug");
read_soundspec(L, -1, f.sound_dug);
lua_pop(L, 1);
}
lua_pop(L, 1);
return f;
}
ContentFeatures read_content_features(lua_State *L, int index)
{
if(index < 0)
index = lua_gettop(L) + 1 + index;
ContentFeatures f;
/* Cache existence of some callbacks */
lua_getfield(L, index, "on_construct");
if(!lua_isnil(L, -1)) f.has_on_construct = true;
lua_pop(L, 1);
lua_getfield(L, index, "on_destruct");
if(!lua_isnil(L, -1)) f.has_on_destruct = true;
lua_pop(L, 1);
lua_getfield(L, index, "after_destruct");
if(!lua_isnil(L, -1)) f.has_after_destruct = true;
lua_pop(L, 1);
lua_getfield(L, index, "on_activate");
if(!lua_isnil(L, -1))
{
f.has_on_activate = true;
f.is_circuit_element = true;
}
lua_pop(L, 1);
lua_getfield(L, index, "on_deactivate");
if(!lua_isnil(L, -1))
{
f.has_on_deactivate = true;
f.is_circuit_element = true;
}
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);
/* Groups */
lua_getfield(L, index, "groups");
read_groups(L, -1, f.groups);
lua_pop(L, 1);
/* Visual definition */
f.drawtype = (NodeDrawType)getenumfield(L, index, "drawtype",
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
if(lua_isnil(L, -1)){
lua_pop(L, 1);
warn_if_field_exists(L, index, "tile_images",
"Deprecated; new name is \"tiles\".");
lua_getfield(L, index, "tile_images");
}
if(lua_istable(L, -1)){
int table = lua_gettop(L);
lua_pushnil(L);
int i = 0;
while(lua_next(L, table) != 0){
// Read tiledef from value
f.tiledef[i] = read_tiledef(L, -1);
// removes value, keeps key for next iteration
lua_pop(L, 1);
i++;
if(i==6){
lua_pop(L, 1);
break;
}
}
// Copy last value to all remaining textures
if(i >= 1){
TileDef lasttile = f.tiledef[i-1];
while(i < 6){
f.tiledef[i] = lasttile;
i++;
}
}
}
lua_pop(L, 1);
/* Circuit options */
lua_getfield(L, index, "is_wire");
if(!lua_isnil(L, -1)) {
f.is_wire = true;
}
lua_pop(L, 1);
lua_getfield(L, index, "is_wire_connector");
if(!lua_isnil(L, -1)) {
f.is_wire_connector = true;
}
lua_pop(L, 1);
lua_getfield(L, index, "wire_connections");
if(!lua_isnil(L, -1) && lua_istable(L, -1)) {
// Both can't be set to true
f.is_wire |= !f.is_wire_connector;
int table = lua_gettop(L);
lua_pushnil(L);
int i;
unsigned char current_shift = 1;
for(i = 0; (i < 6) && (lua_next(L, table) != 0); ++i) {
f.wire_connections[i] = lua_tonumber(L, -1);
f.wire_connections[i] |= current_shift;
current_shift <<= 1;
lua_pop(L, 1);
}
if(i < 6) {
luaL_error(L, "Wire connectins array must have exactly 6 integer numbers.");
}
// Convert to two-way wire (one-way may cause undefined behavior)
for(i = 0; i < 6; ++i) {
for(int j = 0; j < 6; ++j) {
f.wire_connections[i] |= f.wire_connections[j] & (1 << i);
f.wire_connections[j] |= f.wire_connections[i] & (1 << j);
}
}
} else if(f.is_wire || f.is_wire_connector) {
// Assuming that it's a standart wire or wire connector
for(int i = 0; i < 6; ++i) {
f.wire_connections[i] = 0x3F;
}
}
lua_pop(L, 1);
lua_getfield(L, index, "circuit_states");
if(!lua_isnil(L, -1) && lua_istable(L, -1)) {
f.is_circuit_element = true;
int table = lua_gettop(L);
lua_pushnil(L);
int i;
for(i = 0; (i < 64) && (lua_next(L, table) != 0); ++i) {
f.circuit_element_func[i] = lua_tonumber(L, -1);
lua_pop(L, 1);
}
if(i < 64) {
luaL_error(L, "Circuit element states table must have exactly 64 integer numbers.");
}
}
lua_pop(L, 1);
f.circuit_element_delay = getintfield_default(L, index, "circuit_element_delay", f.circuit_element_delay + 1) - 1;
if(f.circuit_element_delay > 100) {
luaL_error(L, "\"circuit_element_delay\" must be a positive integer number less than 101");
}
// special_tiles = {}
lua_getfield(L, index, "special_tiles");
// If nil, try the deprecated name "special_materials" instead
if(lua_isnil(L, -1)){
lua_pop(L, 1);
warn_if_field_exists(L, index, "special_materials",
"Deprecated; new name is \"special_tiles\".");
lua_getfield(L, index, "special_materials");
}
if(lua_istable(L, -1)){
int table = lua_gettop(L);
lua_pushnil(L);
int i = 0;
while(lua_next(L, table) != 0){
// Read tiledef from value
f.tiledef_special[i] = read_tiledef(L, -1);
// removes value, keeps key for next iteration
lua_pop(L, 1);
i++;
if(i==CF_SPECIAL_COUNT){
lua_pop(L, 1);
break;
}
}
}
lua_pop(L, 1);
f.alpha = getintfield_default(L, index, "alpha", 255);
bool usealpha = getboolfield_default(L, index,
"use_texture_alpha", false);
if (usealpha)
f.alpha = 0;
/* Other stuff */
lua_getfield(L, index, "post_effect_color");
if(!lua_isnil(L, -1))
f.post_effect_color = readARGB8(L, -1);
lua_pop(L, 1);
f.param_type = (ContentParamType)getenumfield(L, index, "paramtype",
ScriptApiNode::es_ContentParamType, CPT_NONE);
f.param_type_2 = (ContentParamType2)getenumfield(L, index, "paramtype2",
ScriptApiNode::es_ContentParamType2, CPT2_NONE);
// Warn about some deprecated fields
warn_if_field_exists(L, index, "wall_mounted",
"deprecated: use paramtype2 = 'wallmounted'");
warn_if_field_exists(L, index, "light_propagates",
"deprecated: determined from paramtype");
warn_if_field_exists(L, index, "dug_item",
"deprecated: use 'drop' field");
warn_if_field_exists(L, index, "extra_dug_item",
"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);
f.light_propagates = (f.param_type == CPT_LIGHT);
getboolfield(L, index, "sunlight_propagates", f.sunlight_propagates);
// This is used for collision detection.
// Also for general solidness queries.
getboolfield(L, index, "walkable", f.walkable);
// Player can point to these
getboolfield(L, index, "pointable", f.pointable);
// Player can dig these
getboolfield(L, index, "diggable", f.diggable);
// Player can climb these
getboolfield(L, index, "climbable", f.climbable);
// Player can build on these
getboolfield(L, index, "buildable_to", f.buildable_to);
// Whether the node is non-liquid, source liquid or flowing liquid
f.liquid_type = (LiquidType)getenumfield(L, index, "liquidtype",
ScriptApiNode::es_LiquidType, LIQUID_NONE);
// If the content is liquid, this is the flowing version of the liquid.
getstringfield(L, index, "liquid_alternative_flowing",
f.liquid_alternative_flowing);
// If the content is liquid, this is the source version of the liquid.
getstringfield(L, index, "liquid_alternative_source",
f.liquid_alternative_source);
// Viscosity for fluid flow, ranging from 1 to 7, with
// 1 giving almost instantaneous propagation and 7 being
// the slowest possible
f.liquid_viscosity = getintfield_default(L, index,
"liquid_viscosity", f.liquid_viscosity);
f.leveled = getintfield_default(L, index, "leveled", f.leveled);
getboolfield(L, index, "liquid_renewable", f.liquid_renewable);
getstringfield(L, index, "freeze", f.freeze);
getstringfield(L, index, "melt", f.melt);
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.damage_per_second = getintfield_default(L, index,
"damage_per_second", f.damage_per_second);
lua_getfield(L, index, "node_box");
if(lua_istable(L, -1))
f.node_box = read_nodebox(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
getboolfield(L, index, "legacy_wallmounted", f.legacy_wallmounted);
// Sound table
lua_getfield(L, index, "sounds");
if(lua_istable(L, -1)){
lua_getfield(L, -1, "footstep");
read_soundspec(L, -1, f.sound_footstep);
lua_pop(L, 1);
lua_getfield(L, -1, "dig");
read_soundspec(L, -1, f.sound_dig);
lua_pop(L, 1);
lua_getfield(L, -1, "dug");
read_soundspec(L, -1, f.sound_dug);
lua_pop(L, 1);
}
lua_pop(L, 1);
return f;
}
ContentFeatures read_content_features(lua_State *L, int index)
{
if(index < 0)
index = lua_gettop(L) + 1 + index;
ContentFeatures f;
/* Cache existence of some callbacks */
lua_getfield(L, index, "on_construct");
if(!lua_isnil(L, -1)) f.has_on_construct = true;
lua_pop(L, 1);
lua_getfield(L, index, "on_destruct");
if(!lua_isnil(L, -1)) f.has_on_destruct = true;
lua_pop(L, 1);
lua_getfield(L, index, "after_destruct");
if(!lua_isnil(L, -1)) f.has_after_destruct = true;
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);
/* Groups */
lua_getfield(L, index, "groups");
read_groups(L, -1, f.groups);
lua_pop(L, 1);
/* Visual definition */
f.drawtype = (NodeDrawType)getenumfield(L, index, "drawtype",
ScriptApiNode::es_DrawType,NDT_NORMAL);
getfloatfield(L, index, "visual_scale", f.visual_scale);
// tiles = {}
lua_getfield(L, index, "tiles");
// If nil, try the deprecated name "tile_images" instead
if(lua_isnil(L, -1)){
lua_pop(L, 1);
warn_if_field_exists(L, index, "tile_images",
"Deprecated; new name is \"tiles\".");
lua_getfield(L, index, "tile_images");
}
if(lua_istable(L, -1)){
int table = lua_gettop(L);
lua_pushnil(L);
int i = 0;
while(lua_next(L, table) != 0){
// Read tiledef from value
f.tiledef[i] = read_tiledef(L, -1);
// removes value, keeps key for next iteration
lua_pop(L, 1);
i++;
if(i==6){
lua_pop(L, 1);
break;
}
}
// Copy last value to all remaining textures
if(i >= 1){
TileDef lasttile = f.tiledef[i-1];
while(i < 6){
f.tiledef[i] = lasttile;
i++;
}
}
}
lua_pop(L, 1);
// special_tiles = {}
lua_getfield(L, index, "special_tiles");
// If nil, try the deprecated name "special_materials" instead
if(lua_isnil(L, -1)){
lua_pop(L, 1);
warn_if_field_exists(L, index, "special_materials",
"Deprecated; new name is \"special_tiles\".");
lua_getfield(L, index, "special_materials");
}
if(lua_istable(L, -1)){
int table = lua_gettop(L);
lua_pushnil(L);
int i = 0;
while(lua_next(L, table) != 0){
// Read tiledef from value
f.tiledef_special[i] = read_tiledef(L, -1);
// removes value, keeps key for next iteration
lua_pop(L, 1);
i++;
if(i==6){
lua_pop(L, 1);
break;
}
}
}
lua_pop(L, 1);
f.alpha = getintfield_default(L, index, "alpha", 255);
bool usealpha = getboolfield_default(L, index,
"use_texture_alpha", false);
if (usealpha)
f.alpha = 0;
/* Other stuff */
lua_getfield(L, index, "post_effect_color");
if(!lua_isnil(L, -1))
f.post_effect_color = readARGB8(L, -1);
lua_pop(L, 1);
f.param_type = (ContentParamType)getenumfield(L, index, "paramtype",
ScriptApiNode::es_ContentParamType, CPT_NONE);
f.param_type_2 = (ContentParamType2)getenumfield(L, index, "paramtype2",
ScriptApiNode::es_ContentParamType2, CPT2_NONE);
// Warn about some deprecated fields
warn_if_field_exists(L, index, "wall_mounted",
"deprecated: use paramtype2 = 'wallmounted'");
warn_if_field_exists(L, index, "light_propagates",
"deprecated: determined from paramtype");
warn_if_field_exists(L, index, "dug_item",
"deprecated: use 'drop' field");
warn_if_field_exists(L, index, "extra_dug_item",
"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);
f.light_propagates = (f.param_type == CPT_LIGHT);
getboolfield(L, index, "sunlight_propagates", f.sunlight_propagates);
// This is used for collision detection.
// Also for general solidness queries.
getboolfield(L, index, "walkable", f.walkable);
// Player can point to these
getboolfield(L, index, "pointable", f.pointable);
// Player can dig these
getboolfield(L, index, "diggable", f.diggable);
// Player can climb these
getboolfield(L, index, "climbable", f.climbable);
// Player can build on these
getboolfield(L, index, "buildable_to", f.buildable_to);
// Whether the node is non-liquid, source liquid or flowing liquid
f.liquid_type = (LiquidType)getenumfield(L, index, "liquidtype",
ScriptApiNode::es_LiquidType, LIQUID_NONE);
// If the content is liquid, this is the flowing version of the liquid.
getstringfield(L, index, "liquid_alternative_flowing",
f.liquid_alternative_flowing);
// If the content is liquid, this is the source version of the liquid.
getstringfield(L, index, "liquid_alternative_source",
f.liquid_alternative_source);
// Viscosity for fluid flow, ranging from 1 to 7, with
// 1 giving almost instantaneous propagation and 7 being
// 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);
getstringfield(L, index, "freezemelt", f.freezemelt);
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.damage_per_second = getintfield_default(L, index,
"damage_per_second", f.damage_per_second);
lua_getfield(L, index, "node_box");
if(lua_istable(L, -1))
f.node_box = read_nodebox(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);
// 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
getboolfield(L, index, "legacy_wallmounted", f.legacy_wallmounted);
// Sound table
lua_getfield(L, index, "sounds");
if(lua_istable(L, -1)){
lua_getfield(L, -1, "footstep");
read_soundspec(L, -1, f.sound_footstep);
lua_pop(L, 1);
lua_getfield(L, -1, "dig");
read_soundspec(L, -1, f.sound_dig);
lua_pop(L, 1);
lua_getfield(L, -1, "dug");
read_soundspec(L, -1, f.sound_dug);
lua_pop(L, 1);
}
lua_pop(L, 1);
return f;
}
