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Add replacements to schematics
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PilzAdam committed Aug 3, 2013
1 parent 5e433fa commit 45589fae58157c8a66c640a1db5795a42a86fc1c
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Showing 4 changed files with 49 additions and 4 deletions.
@@ -1439,10 +1439,11 @@ minetest.create_schematic(p1, p2, probability_list, filename)
^ If probability_list is nil, no probabilities are applied.
^ Saves schematic in the Minetest Schematic format to filename.

minetest.place_schematic(pos, schematic, rotation)
minetest.place_schematic(pos, schematic, rotation, replacements)
^ Place the schematic specified by schematic (see: Schematic specifier) at pos.
^ Rotation can be "0", "90", "180", "270", or "random".
^ If the rotation parameter is omitted, the schematic is not rotated.
^ replacements = {{"oldname", "convert_to"}, ...}

Random:
minetest.get_connected_players() -> list of ObjectRefs
@@ -2129,6 +2130,7 @@ Ore definition (register_ore)
ore_type = "scatter", -- See "Ore types"
ore = "default:stone_with_coal",
wherein = "default:stone",
^ a list of nodenames is supported too
clust_scarcity = 8*8*8,
^ Ore has a 1 out of clust_scarcity chance of spawning in a node
^ This value should be *MUCH* higher than your intuition might tell you!
@@ -2196,6 +2198,7 @@ Decoration definition (register_decoration)
}
},
^ See 'Schematic specifier' for details.
replacements = {{"oldname", "convert_to"}, ...},
flags = "place_center_x, place_center_z",
^ Flags for schematic decorations. See 'Schematic attributes'.
rotation = "90" --rotate schematic 90 degrees on placement
@@ -506,7 +506,12 @@ void DecoSchematic::resolveNodeNames(INodeDefManager *ndef) {
}

for (size_t i = 0; i != node_names->size(); i++) {
content_t c = ndef->getId(node_names->at(i));
std::string name = node_names->at(i);
std::map<std::string, std::string>::iterator it;
it = replacements.find(name);
if (it != replacements.end())
name = it->second;
content_t c = ndef->getId(name);
if (c == CONTENT_IGNORE) {
errorstream << "DecoSchematic::resolveNodeNames: node '"
<< node_names->at(i) << "' not defined" << std::endl;
@@ -269,6 +269,7 @@ class DecoSchematic : public Decoration {

std::vector<std::string> *node_names;
std::vector<content_t> c_nodes;
std::map<std::string, std::string> replacements;

u32 flags;
Rotation rotation;
@@ -808,7 +808,26 @@ int ModApiBasic::l_register_decoration(lua_State *L)
dschem->flags = getflagsfield(L, index, "flags", flagdesc_deco_schematic);
dschem->rotation = (Rotation)getenumfield(L, index,
"rotation", es_Rotation, ROTATE_0);


lua_getfield(L, index, "replacements");
if (lua_istable(L, -1)) {
int i = lua_gettop(L);
lua_pushnil(L);
while (lua_next(L, i) != 0) {
// key at index -2 and value at index -1
lua_rawgeti(L, -1, 1);
std::string replace_from = lua_tostring(L, -1);
lua_pop(L, 1);
lua_rawgeti(L, -1, 2);
std::string replace_to = lua_tostring(L, -1);
lua_pop(L, 1);
dschem->replacements[replace_from] = replace_to;
// removes value, keeps key for next iteration
lua_pop(L, 1);
}
}
lua_pop(L, 1);

lua_getfield(L, index, "schematic");
if (!read_schematic(L, -1, dschem, getServer(L))) {
delete dschem;
@@ -888,7 +907,7 @@ int ModApiBasic::l_create_schematic(lua_State *L)
}


// place_schematic(p, schematic, rotation)
// place_schematic(p, schematic, rotation, replacement)
int ModApiBasic::l_place_schematic(lua_State *L)
{
DecoSchematic dschem;
@@ -906,6 +925,23 @@ int ModApiBasic::l_place_schematic(lua_State *L)

dschem.rotation = rot;

if (lua_istable(L, 4)) {
int index = 4;
lua_pushnil(L);
while (lua_next(L, index) != 0) {
// key at index -2 and value at index -1
lua_rawgeti(L, -1, 1);
std::string replace_from = lua_tostring(L, -1);
lua_pop(L, 1);
lua_rawgeti(L, -1, 2);
std::string replace_to = lua_tostring(L, -1);
lua_pop(L, 1);
dschem.replacements[replace_from] = replace_to;
// removes value, keeps key for next iteration
lua_pop(L, 1);
}
}

if (!dschem.filename.empty()) {
if (!dschem.loadSchematicFile()) {
errorstream << "place_schematic: failed to load schematic file '"

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