oss/luanti
oss/luanti
1
0
Fork 0
mirror of https://github.com/luanti-org/luanti.git synced 2025-06-27 16:36:03 +00:00
Code Wiki Activity

Dont write directly to files but rather write and copy a tmp file

Browse source
This commit is contained in:
PilzAdam 2013-08-13 19:15:06 +02:00
parent c8930850e3
commit d718b0b34e
9 changed files with 101 additions and 69 deletions
Download patch file Download diff file Expand all files Collapse all files

17
src/mapgen.cpp
View file

@ -36,6 +36,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
#include "mapgen_v6.h"
#include "mapgen_v7.h"
#include "util/serialize.h"
#include "filesys.h"
FlagDesc flagdesc_mapgen[] = {
{"trees", MG_TREES},
@ -756,24 +757,26 @@ bool DecoSchematic::loadSchematicFile() {
2 - Fixed messy never/always place; 0 probability is now never, 0xFF is always
*/
void DecoSchematic::saveSchematicFile(INodeDefManager *ndef) {
std::ofstream os(filename.c_str(), std::ios_base::binary);
std::ostringstream ss(std::ios_base::binary);
writeU32(os, MTSCHEM_FILE_SIGNATURE); // signature
writeU16(os, 2); // version
writeV3S16(os, size); // schematic size
writeU32(ss, MTSCHEM_FILE_SIGNATURE); // signature
writeU16(ss, 2); // version
writeV3S16(ss, size); // schematic size
std::vector<content_t> usednodes;
int nodecount = size.X * size.Y * size.Z;
build_nnlist_and_update_ids(schematic, nodecount, &usednodes);
u16 numids = usednodes.size();
writeU16(os, numids); // name count
writeU16(ss, numids); // name count
for (int i = 0; i != numids; i++)
os << serializeString(ndef->get(usednodes[i]).name); // node names
ss << serializeString(ndef->get(usednodes[i]).name); // node names
// compressed bulk node data
MapNode::serializeBulk(os, SER_FMT_VER_HIGHEST_WRITE, schematic,
MapNode::serializeBulk(ss, SER_FMT_VER_HIGHEST_WRITE, schematic,
nodecount, 2, 2, true);
fs::safeWriteToFile(filename, ss.str());
}