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-rw-r--r--src/map.cpp99
1 files changed, 70 insertions, 29 deletions
diff --git a/src/map.cpp b/src/map.cpp
index 2cf7bb2e5..0f3741691 100644
--- a/src/map.cpp
+++ b/src/map.cpp
@@ -1386,8 +1386,15 @@ bool Map::dayNightDiffed(v3s16 blockpos)
/*
Updates usage timers
*/
-void Map::timerUpdate(float dtime)
+void Map::timerUpdate(float dtime, float unload_timeout,
+ core::list<v3s16> *unloaded_blocks)
{
+ bool save_before_unloading = (mapType() == MAPTYPE_SERVER);
+
+ core::list<v2s16> sector_deletion_queue;
+ u32 deleted_blocks_count = 0;
+ u32 saved_blocks_count = 0;
+
core::map<v2s16, MapSector*>::Iterator si;
si = m_sectors.getIterator();
@@ -1395,13 +1402,60 @@ void Map::timerUpdate(float dtime)
{
MapSector *sector = si.getNode()->getValue();
+ bool all_blocks_deleted = true;
+
core::list<MapBlock*> blocks;
sector->getBlocks(blocks);
for(core::list<MapBlock*>::Iterator i = blocks.begin();
i != blocks.end(); i++)
{
- (*i)->incrementUsageTimer(dtime);
+ MapBlock *block = (*i);
+
+ block->incrementUsageTimer(dtime);
+
+ if(block->getUsageTimer() > unload_timeout)
+ {
+ v3s16 p = block->getPos();
+
+ // Save if modified
+ if(block->getModified() != MOD_STATE_CLEAN
+ && save_before_unloading)
+ {
+ saveBlock(block);
+ saved_blocks_count++;
+ }
+
+ // Delete from memory
+ sector->deleteBlock(block);
+
+ if(unloaded_blocks)
+ unloaded_blocks->push_back(p);
+
+ deleted_blocks_count++;
+ }
+ else
+ {
+ all_blocks_deleted = false;
+ }
}
+
+ if(all_blocks_deleted)
+ {
+ sector_deletion_queue.push_back(si.getNode()->getKey());
+ }
+ }
+
+ // Finally delete the empty sectors
+ deleteSectors(sector_deletion_queue);
+
+ if(deleted_blocks_count != 0)
+ {
+ PrintInfo(dstream); // ServerMap/ClientMap:
+ dstream<<"Unloaded "<<deleted_blocks_count
+ <<" blocks from memory";
+ if(save_before_unloading)
+ dstream<<", of which "<<saved_blocks_count<<" were written";
+ dstream<<"."<<std::endl;
}
}
@@ -1420,6 +1474,7 @@ void Map::deleteSectors(core::list<v2s16> &list)
}
}
+#if 0
void Map::unloadUnusedData(float timeout,
core::list<v3s16> *deleted_blocks)
{
@@ -1474,6 +1529,7 @@ void Map::unloadUnusedData(float timeout,
//return sector_deletion_queue.getSize();
//return deleted_blocks_count;
}
+#endif
void Map::PrintInfo(std::ostream &out)
{
@@ -1500,7 +1556,7 @@ void Map::transformLiquids(core::map<v3s16, MapBlock*> & modified_blocks)
*/
v3s16 p0 = m_transforming_liquid.pop_front();
- MapNode n0 = getNode(p0);
+ MapNode n0 = getNodeNoEx(p0);
// Don't deal with non-liquids
if(content_liquid(n0.d) == false)
@@ -1532,13 +1588,10 @@ void Map::transformLiquids(core::map<v3s16, MapBlock*> & modified_blocks)
};
for(u16 i=0; i<5; i++)
{
- try
- {
-
bool from_top = (i==0);
v3s16 p2 = p0 + dirs_from[i];
- MapNode n2 = getNode(p2);
+ MapNode n2 = getNodeNoEx(p2);
if(content_liquid(n2.d))
{
@@ -1572,10 +1625,6 @@ void Map::transformLiquids(core::map<v3s16, MapBlock*> & modified_blocks)
if(new_liquid_level > new_liquid_level_max)
new_liquid_level_max = new_liquid_level;
}
-
- }catch(InvalidPositionException &e)
- {
- }
} //for
/*
@@ -1618,20 +1667,13 @@ void Map::transformLiquids(core::map<v3s16, MapBlock*> & modified_blocks)
};
for(u16 i=0; i<6; i++)
{
- try
- {
-
v3s16 p2 = p0 + dirs[i];
- MapNode n2 = getNode(p2);
+ MapNode n2 = getNodeNoEx(p2);
if(content_flowing_liquid(n2.d))
{
m_transforming_liquid.push_back(p2);
}
-
- }catch(InvalidPositionException &e)
- {
- }
}
}
}
@@ -1652,9 +1694,6 @@ void Map::transformLiquids(core::map<v3s16, MapBlock*> & modified_blocks)
};
for(u16 i=0; i<5; i++)
{
- try
- {
-
bool to_bottom = (i == 0);
// If liquid is at lowest possible height, it's not going
@@ -1680,7 +1719,7 @@ void Map::transformLiquids(core::map<v3s16, MapBlock*> & modified_blocks)
v3s16 p2 = p0 + dirs_to[i];
- MapNode n2 = getNode(p2);
+ MapNode n2 = getNodeNoEx(p2);
//dstream<<"[1] n2.param="<<(int)n2.param<<std::endl;
if(content_liquid(n2.d))
@@ -1746,10 +1785,6 @@ void Map::transformLiquids(core::map<v3s16, MapBlock*> & modified_blocks)
// If n2_changed to bottom, don't flow anywhere else
if(to_bottom && flowed && !is_source)
break;
-
- }catch(InvalidPositionException &e)
- {
- }
}
loopcount++;
@@ -1945,7 +1980,6 @@ ServerMap::~ServerMap()
{
if(m_map_saving_enabled)
{
- //save(false);
// Save only changed parts
save(true);
dstream<<DTIME<<"Server: saved map to "<<m_savedir<<std::endl;
@@ -2104,11 +2138,15 @@ MapBlock* ServerMap::finishBlockMake(mapgen::BlockMakeData *data,
/*
NOTE: Lighting and object adding shouldn't really be here, but
lighting is a bit tricky to move properly to makeBlock.
- TODO: Do this the right way anyway.
+ TODO: Do this the right way anyway, that is, move it to makeBlock.
+ - There needs to be some way for makeBlock to report back if
+ the lighting update is going further down because of the
+ new block blocking light
*/
/*
Update lighting
+ NOTE: This takes ~60ms, TODO: Investigate why
*/
{
TimeTaker t("finishBlockMake lighting update");
@@ -3418,6 +3456,9 @@ void ClientMap::renderMap(video::IVideoDriver* driver, s32 pass)
{
continue;
}
+
+ // Okay, this block will be drawn. Reset usage timer.
+ block->resetUsageTimer();
// This is ugly (spherical distance limit?)
/*if(m_control.range_all == false &&