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Add ItemStack key-value meta storage

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This commit is contained in:
rubenwardy 2017-01-31 19:49:01 +00:00
parent c2e7b1f579
commit f2aa2c6a98
21 changed files with 459 additions and 123 deletions
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31
src/script/common/c_content.cpp
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@ -824,11 +824,32 @@ ItemStack read_item(lua_State* L, int index,Server* srv)
std::string name = getstringfield_default(L, index, "name", "");
int count = getintfield_default(L, index, "count", 1);
int wear = getintfield_default(L, index, "wear", 0);
std::string metadata = getstringfield_default(L, index, "metadata", "");
return ItemStack(name, count, wear, metadata, idef);
}
else
{
ItemStack istack(name, count, wear, idef);
lua_getfield(L, index, "metadata");
// Support old metadata format by checking type
int fieldstable = lua_gettop(L);
if (lua_istable(L, fieldstable)) {
lua_pushnil(L);
while (lua_next(L, fieldstable) != 0) {
// key at index -2 and value at index -1
std::string key = lua_tostring(L, -2);
size_t value_len;
const char *value_cs = lua_tolstring(L, -1, &value_len);
std::string value(value_cs, value_len);
istack.metadata.setString(name, value);
lua_pop(L, 1); // removes value, keeps key for next iteration
}
} else {
// BACKWARDS COMPATIBLITY
std::string value = getstringfield_default(L, index, "metadata", "");
istack.metadata.setString("", value);
}
return istack;
} else {
throw LuaError("Expecting itemstack, itemstring, table or nil");
}
}