#include "filesys.h"
#include "voxel.h"
#include "porting.h"
-#include "mapgen.h"
+#include "serialization.h"
#include "nodemetadata.h"
#include "settings.h"
#include "log.h"
#include "nodedef.h"
#include "gamedef.h"
#include "util/directiontables.h"
+#include "util/mathconstants.h"
#include "rollback_interface.h"
+#include "environment.h"
#include "emerge.h"
#include "mapgen_v6.h"
-#include "mapgen_indev.h"
+#include "biome.h"
+#include "config.h"
+#include "server.h"
+#include "database.h"
+#include "database-dummy.h"
+#include "database-sqlite3.h"
+#if USE_LEVELDB
+#include "database-leveldb.h"
+#endif
+#if USE_REDIS
+#include "database-redis.h"
+#endif
#define PP(x) "("<<(x).X<<","<<(x).Y<<","<<(x).Z<<")"
m_gamedef(gamedef),
m_sector_cache(NULL)
{
- /*m_sector_mutex.Init();
- assert(m_sector_mutex.IsInitialized());*/
}
Map::~Map()
/*
*/
void Map::addNodeAndUpdate(v3s16 p, MapNode n,
- std::map<v3s16, MapBlock*> &modified_blocks)
+ std::map<v3s16, MapBlock*> &modified_blocks,
+ bool remove_metadata)
{
INodeDefManager *ndef = m_gamedef->ndef();
/*
Remove node metadata
*/
-
- removeNodeMetadata(p);
+ if (remove_metadata) {
+ removeNodeMetadata(p);
+ }
/*
Set the node on the map
}
}
-bool Map::addNodeWithEvent(v3s16 p, MapNode n)
+bool Map::addNodeWithEvent(v3s16 p, MapNode n, bool remove_metadata)
{
MapEditEvent event;
- event.type = MEET_ADDNODE;
+ event.type = remove_metadata ? MEET_ADDNODE : MEET_SWAPNODE;
event.p = p;
event.n = n;
bool succeeded = true;
try{
std::map<v3s16, MapBlock*> modified_blocks;
- addNodeAndUpdate(p, n, modified_blocks);
+ addNodeAndUpdate(p, n, modified_blocks, remove_metadata);
// Copy modified_blocks to event
for(std::map<v3s16, MapBlock*>::iterator
v3s16 p = block->getPos();
// Save if modified
- if(block->getModified() != MOD_STATE_CLEAN
- && save_before_unloading)
+ if (block->getModified() != MOD_STATE_CLEAN && save_before_unloading)
{
modprofiler.add(block->getModifiedReason(), 1);
- saveBlock(block);
+ if (!saveBlock(block))
+ continue;
saved_blocks_count++;
}
NeighborType t;
v3s16 p;
bool l; //can liquid
- bool i; //infinity
};
void Map::transforming_liquid_add(v3s16 p) {
return m_transforming_liquid.size();
}
-const v3s16 g_7dirs[7] =
-{
- // +right, +top, +back
- v3s16( 0,-1, 0), // bottom
- v3s16( 0, 0, 0), // self
- v3s16( 0, 0, 1), // back
- v3s16( 0, 0,-1), // front
- v3s16( 1, 0, 0), // right
- v3s16(-1, 0, 0), // left
- v3s16( 0, 1, 0) // top
-};
-
-#define D_BOTTOM 0
-#define D_TOP 6
-#define D_SELF 1
-
-void Map::transformLiquidsFinite(std::map<v3s16, MapBlock*> & modified_blocks)
-{
- INodeDefManager *nodemgr = m_gamedef->ndef();
-
- DSTACK(__FUNCTION_NAME);
- //TimeTaker timer("transformLiquids()");
-
- u32 loopcount = 0;
- u32 initial_size = m_transforming_liquid.size();
-
- u8 relax = g_settings->getS16("liquid_relax");
- bool fast_flood = g_settings->getS16("liquid_fast_flood");
- int water_level = g_settings->getS16("water_level");
-
- // list of nodes that due to viscosity have not reached their max level height
- UniqueQueue<v3s16> must_reflow, must_reflow_second;
-
- // List of MapBlocks that will require a lighting update (due to lava)
- std::map<v3s16, MapBlock*> lighting_modified_blocks;
-
- u16 loop_max = g_settings->getU16("liquid_loop_max");
-
- //if (m_transforming_liquid.size() > 0) errorstream << "Liquid queue size="<<m_transforming_liquid.size()<<std::endl;
-
- while (m_transforming_liquid.size() > 0)
- {
- // This should be done here so that it is done when continue is used
- if (loopcount >= initial_size || loopcount >= loop_max)
- break;
- loopcount++;
- /*
- Get a queued transforming liquid node
- */
- v3s16 p0 = m_transforming_liquid.pop_front();
- u16 total_level = 0;
- // surrounding flowing liquid nodes
- NodeNeighbor neighbors[7];
- // current level of every block
- s8 liquid_levels[7] = {-1, -1, -1, -1, -1, -1, -1};
- // target levels
- s8 liquid_levels_want[7] = {-1, -1, -1, -1, -1, -1, -1};
- s8 can_liquid_same_level = 0;
- content_t liquid_kind = CONTENT_IGNORE;
- content_t liquid_kind_flowing = CONTENT_IGNORE;
- /*
- Collect information about the environment
- */
- const v3s16 *dirs = g_7dirs;
- for (u16 i = 0; i < 7; i++) {
- NeighborType nt = NEIGHBOR_SAME_LEVEL;
- switch (i) {
- case D_TOP:
- nt = NEIGHBOR_UPPER;
- break;
- case D_BOTTOM:
- nt = NEIGHBOR_LOWER;
- break;
- }
- v3s16 npos = p0 + dirs[i];
-
- neighbors[i].n = getNodeNoEx(npos);
- neighbors[i].t = nt;
- neighbors[i].p = npos;
- neighbors[i].l = 0;
- neighbors[i].i = 0;
- NodeNeighbor & nb = neighbors[i];
-
- switch (nodemgr->get(nb.n.getContent()).liquid_type) {
- case LIQUID_NONE:
- if (nb.n.getContent() == CONTENT_AIR) {
- liquid_levels[i] = 0;
- nb.l = 1;
- }
- break;
- case LIQUID_SOURCE:
- // if this node is not (yet) of a liquid type,
- // choose the first liquid type we encounter
- if (liquid_kind_flowing == CONTENT_IGNORE)
- liquid_kind_flowing = nodemgr->getId(
- nodemgr->get(nb.n).liquid_alternative_flowing);
- if (liquid_kind == CONTENT_IGNORE)
- liquid_kind = nb.n.getContent();
- if (nb.n.getContent() == liquid_kind) {
- liquid_levels[i] = LIQUID_LEVEL_SOURCE;
- nb.l = 1;
- nb.i = (nb.n.param2 & LIQUID_INFINITY_MASK);
- }
- break;
- case LIQUID_FLOWING:
- // if this node is not (yet) of a liquid type,
- // choose the first liquid type we encounter
- if (liquid_kind_flowing == CONTENT_IGNORE)
- liquid_kind_flowing = nb.n.getContent();
- if (liquid_kind == CONTENT_IGNORE)
- liquid_kind = nodemgr->getId(
- nodemgr->get(nb.n).liquid_alternative_source);
- if (nb.n.getContent() == liquid_kind_flowing) {
- liquid_levels[i] = (nb.n.param2 & LIQUID_LEVEL_MASK);
- nb.l = 1;
- }
- break;
- }
-
- if (nb.l && nb.t == NEIGHBOR_SAME_LEVEL)
- ++can_liquid_same_level;
- if (liquid_levels[i] > 0)
- total_level += liquid_levels[i];
-
- /*
- infostream << "get node i=" <<(int)i<<" " << PP(npos) << " c="
- << nb.n.getContent() <<" p0="<< (int)nb.n.param0 <<" p1="
- << (int)nb.n.param1 <<" p2="<< (int)nb.n.param2 << " lt="
- << nodemgr->get(nb.n.getContent()).liquid_type
- //<< " lk=" << liquid_kind << " lkf=" << liquid_kind_flowing
- << " l="<< nb.l << " inf="<< nb.i << " nlevel=" << (int)liquid_levels[i]
- << " tlevel=" << (int)total_level << " cansame="
- << (int)can_liquid_same_level << std::endl;
- */
- }
-
- if (liquid_kind == CONTENT_IGNORE ||
- !neighbors[D_SELF].l ||
- total_level <= 0)
- continue;
-
- // fill bottom block
- if (neighbors[D_BOTTOM].l) {
- liquid_levels_want[D_BOTTOM] = total_level > LIQUID_LEVEL_SOURCE ?
- LIQUID_LEVEL_SOURCE : total_level;
- total_level -= liquid_levels_want[D_BOTTOM];
- }
-
- //relax up
- if (relax && ((p0.Y == water_level) || (fast_flood && p0.Y <= water_level)) && liquid_levels[D_TOP] == 0 &&
- liquid_levels[D_BOTTOM] == LIQUID_LEVEL_SOURCE &&
- total_level >= LIQUID_LEVEL_SOURCE * can_liquid_same_level-
- (can_liquid_same_level - relax) &&
- can_liquid_same_level >= relax + 1) {
- total_level = LIQUID_LEVEL_SOURCE * can_liquid_same_level;
- }
-
- // prevent lakes in air above unloaded blocks
- if (liquid_levels[D_TOP] == 0 && (p0.Y > water_level) && neighbors[D_BOTTOM].n.getContent() == CONTENT_IGNORE && !(loopcount % 3)) {
- --total_level;
- }
-
- // calculate self level 5 blocks
- u8 want_level =
- total_level >= LIQUID_LEVEL_SOURCE * can_liquid_same_level
- ? LIQUID_LEVEL_SOURCE
- : total_level / can_liquid_same_level;
- total_level -= want_level * can_liquid_same_level;
-
- //relax down
- if (relax && p0.Y == water_level + 1 && liquid_levels[D_TOP] == 0 &&
- liquid_levels[D_BOTTOM] == LIQUID_LEVEL_SOURCE && want_level == 0 &&
- total_level <= (can_liquid_same_level - relax) &&
- can_liquid_same_level >= relax + 1) {
- total_level = 0;
- }
-
- for (u16 ii = D_SELF; ii < D_TOP; ++ii) { // fill only same level
- if (!neighbors[ii].l)
- continue;
- liquid_levels_want[ii] = want_level;
- if (liquid_levels_want[ii] < LIQUID_LEVEL_SOURCE && total_level > 0) {
- if (loopcount % 3 || liquid_levels[ii] <= 0){
- if (liquid_levels[ii] > liquid_levels_want[ii]) {
- ++liquid_levels_want[ii];
- --total_level;
- }
- } else if (neighbors[ii].l > 0){
- ++liquid_levels_want[ii];
- --total_level;
- }
- }
- }
-
- for (u16 ii = 0; ii < 7; ++ii) {
- if (total_level < 1) break;
- if (liquid_levels_want[ii] >= 0 &&
- liquid_levels_want[ii] < LIQUID_LEVEL_SOURCE) {
- ++liquid_levels_want[ii];
- --total_level;
- }
- }
-
- // fill top block if can
- if (neighbors[D_TOP].l) {
- liquid_levels_want[D_TOP] = total_level > LIQUID_LEVEL_SOURCE ?
- LIQUID_LEVEL_SOURCE : total_level;
- total_level -= liquid_levels_want[D_TOP];
- }
-
- for (u16 ii = 0; ii < 7; ii++) // infinity and cave flood optimization
- if ( neighbors[ii].i ||
- (liquid_levels_want[ii] >= 0 &&
- (fast_flood && p0.Y < water_level &&
- (initial_size >= 1000
- && ii != D_TOP
- && want_level >= LIQUID_LEVEL_SOURCE/4
- && can_liquid_same_level >= 5
- && liquid_levels[D_TOP] >= LIQUID_LEVEL_SOURCE))))
- liquid_levels_want[ii] = LIQUID_LEVEL_SOURCE;
-
- /*
- if (total_level > 0) //|| flowed != volume)
- infostream <<" AFTER level=" << (int)total_level
- //<< " flowed="<<flowed<< " volume=" << volume
- << " wantsame="<<(int)want_level<< " top="
- << (int)liquid_levels_want[D_TOP]<< " topwas="
- << (int)liquid_levels[D_TOP]<< " bot="
- << (int)liquid_levels_want[D_BOTTOM]<<std::endl;
- */
-
- u8 changed = 0;
- for (u16 i = 0; i < 7; i++) {
- if (liquid_levels_want[i] < 0 || !neighbors[i].l)
- continue;
- MapNode & n0 = neighbors[i].n;
- p0 = neighbors[i].p;
- /*
- decide on the type (and possibly level) of the current node
- */
- content_t new_node_content;
- s8 new_node_level = -1;
- u8 viscosity = nodemgr->get(liquid_kind).liquid_viscosity;
- if (viscosity > 1 && liquid_levels_want[i] != liquid_levels[i]) {
- // amount to gain, limited by viscosity
- // must be at least 1 in absolute value
- s8 level_inc = liquid_levels_want[i] - liquid_levels[i];
- if (level_inc < -viscosity || level_inc > viscosity)
- new_node_level = liquid_levels[i] + level_inc/viscosity;
- else if (level_inc < 0)
- new_node_level = liquid_levels[i] - 1;
- else if (level_inc > 0)
- new_node_level = liquid_levels[i] + 1;
- } else {
- new_node_level = liquid_levels_want[i];
- }
-
- if (new_node_level >= LIQUID_LEVEL_SOURCE)
- new_node_content = liquid_kind;
- else if (new_node_level > 0)
- new_node_content = liquid_kind_flowing;
- else
- new_node_content = CONTENT_AIR;
-
- // last level must flow down on stairs
- if (liquid_levels_want[i] != liquid_levels[i] &&
- liquid_levels[D_TOP] <= 0 && !neighbors[D_BOTTOM].l &&
- new_node_level >= 1 && new_node_level <= 2) {
- for (u16 ii = D_SELF + 1; ii < D_TOP; ++ii) { // only same level
- if (neighbors[ii].l)
- must_reflow_second.push_back(p0 + dirs[ii]);
- }
- }
-
- /*
- check if anything has changed.
- if not, just continue with the next node.
- */
- if (
- new_node_content == n0.getContent()
- && (nodemgr->get(n0.getContent()).liquid_type != LIQUID_FLOWING ||
- ((n0.param2 & LIQUID_LEVEL_MASK) == (u8)new_node_level
- //&& ((n0.param2 & LIQUID_FLOW_DOWN_MASK) ==
- //LIQUID_FLOW_DOWN_MASK) == flowing_down
- ))
- &&
- (nodemgr->get(n0.getContent()).liquid_type != LIQUID_SOURCE ||
- (((n0.param2 & LIQUID_INFINITY_MASK) ==
- LIQUID_INFINITY_MASK) == neighbors[i].i
- ))
- ) {
- continue;
- }
- ++changed;
-
- /*
- update the current node
- */
- if (nodemgr->get(new_node_content).liquid_type == LIQUID_FLOWING) {
- // set level to last 3 bits, flowing down bit to 4th bit
- n0.param2 = (new_node_level & LIQUID_LEVEL_MASK);
- } else if (nodemgr->get(new_node_content).liquid_type == LIQUID_SOURCE) {
- //n0.param2 = ~(LIQUID_LEVEL_MASK | LIQUID_FLOW_DOWN_MASK);
- n0.param2 = (neighbors[i].i ? LIQUID_INFINITY_MASK : 0x00);
- }
- /*
- infostream << "set node i=" <<(int)i<<" "<< PP(p0)<< " nc="
- <<new_node_content<< " p2="<<(int)n0.param2<< " nl="
- <<(int)new_node_level<<std::endl;
- */
-
- n0.setContent(new_node_content);
- // Find out whether there is a suspect for this action
- std::string suspect;
- if(m_gamedef->rollback()){
- suspect = m_gamedef->rollback()->getSuspect(p0, 83, 1);
- }
-
- if(!suspect.empty()){
- // Blame suspect
- RollbackScopeActor rollback_scope(m_gamedef->rollback(), suspect, true);
- // Get old node for rollback
- RollbackNode rollback_oldnode(this, p0, m_gamedef);
- // Set node
- setNode(p0, n0);
- // Report
- RollbackNode rollback_newnode(this, p0, m_gamedef);
- RollbackAction action;
- action.setSetNode(p0, rollback_oldnode, rollback_newnode);
- m_gamedef->rollback()->reportAction(action);
- } else {
- // Set node
- setNode(p0, n0);
- }
-
- v3s16 blockpos = getNodeBlockPos(p0);
- MapBlock *block = getBlockNoCreateNoEx(blockpos);
- if(block != NULL) {
- modified_blocks[blockpos] = block;
- // If node emits light, MapBlock requires lighting update
- if(nodemgr->get(n0).light_source != 0)
- lighting_modified_blocks[block->getPos()] = block;
- }
- must_reflow.push_back(neighbors[i].p);
- }
- /* //for better relax only same level
- if (changed) for (u16 ii = D_SELF + 1; ii < D_TOP; ++ii) {
- if (!neighbors[ii].l) continue;
- must_reflow.push_back(p0 + dirs[ii]);
- }*/
- }
- /*
- if (loopcount)
- infostream<<"Map::transformLiquids(): loopcount="<<loopcount
- <<" reflow="<<must_reflow.size()
- <<" queue="<< m_transforming_liquid.size()<<std::endl;
- */
- while (must_reflow.size() > 0)
- m_transforming_liquid.push_back(must_reflow.pop_front());
- while (must_reflow_second.size() > 0)
- m_transforming_liquid.push_back(must_reflow_second.pop_front());
- updateLighting(lighting_modified_blocks, modified_blocks);
-}
-
void Map::transformLiquids(std::map<v3s16, MapBlock*> & modified_blocks)
{
-
- if (g_settings->getBool("liquid_finite"))
- return Map::transformLiquidsFinite(modified_blocks);
-
INodeDefManager *nodemgr = m_gamedef->ndef();
DSTACK(__FUNCTION_NAME);
content_t new_node_content;
s8 new_node_level = -1;
s8 max_node_level = -1;
+ u8 range = rangelim(nodemgr->get(liquid_kind).liquid_range, 0, LIQUID_LEVEL_MAX+1);
if ((num_sources >= 2 && nodemgr->get(liquid_kind).liquid_renewable) || liquid_type == LIQUID_SOURCE) {
// liquid_kind will be set to either the flowing alternative of the node (if it's a liquid)
// or the flowing alternative of the first of the surrounding sources (if it's air), so
// liquid_kind is set properly, see above
new_node_content = liquid_kind;
max_node_level = new_node_level = LIQUID_LEVEL_MAX;
+ if (new_node_level < (LIQUID_LEVEL_MAX+1-range))
+ new_node_content = CONTENT_AIR;
} else {
// no surrounding sources, so get the maximum level that can flow into this node
for (u16 i = 0; i < num_flows; i++) {
} else
new_node_level = max_node_level;
- if (new_node_level >= 0)
+ if (max_node_level >= (LIQUID_LEVEL_MAX+1-range))
new_node_content = liquid_kind;
else
new_node_content = CONTENT_AIR;
/*
update the current node
*/
+ MapNode n00 = n0;
//bool flow_down_enabled = (flowing_down && ((n0.param2 & LIQUID_FLOW_DOWN_MASK) != LIQUID_FLOW_DOWN_MASK));
if (nodemgr->get(new_node_content).liquid_type == LIQUID_FLOWING) {
// set level to last 3 bits, flowing down bit to 4th bit
MapBlock *block = getBlockNoCreateNoEx(blockpos);
if(block != NULL) {
modified_blocks[blockpos] = block;
- // If node emits light, MapBlock requires lighting update
- if(nodemgr->get(n0).light_source != 0)
+ // If new or old node emits light, MapBlock requires lighting update
+ if(nodemgr->get(n0).light_source != 0 ||
+ nodemgr->get(n00).light_source != 0)
lighting_modified_blocks[block->getPos()] = block;
}
updateLighting(lighting_modified_blocks, modified_blocks);
}
-NodeMetadata* Map::getNodeMetadata(v3s16 p)
+NodeMetadata *Map::getNodeMetadata(v3s16 p)
{
v3s16 blockpos = getNodeBlockPos(p);
v3s16 p_rel = p - blockpos*MAP_BLOCKSIZE;
<<PP(blockpos)<<std::endl;
block = emergeBlock(blockpos, false);
}
- if(!block)
- {
+ if(!block){
infostream<<"WARNING: Map::getNodeMetadata(): Block not found"
<<std::endl;
return NULL;
return meta;
}
-void Map::setNodeMetadata(v3s16 p, NodeMetadata *meta)
+bool Map::setNodeMetadata(v3s16 p, NodeMetadata *meta)
{
v3s16 blockpos = getNodeBlockPos(p);
v3s16 p_rel = p - blockpos*MAP_BLOCKSIZE;
<<PP(blockpos)<<std::endl;
block = emergeBlock(blockpos, false);
}
- if(!block)
- {
+ if(!block){
infostream<<"WARNING: Map::setNodeMetadata(): Block not found"
<<std::endl;
- return;
+ return false;
}
block->m_node_metadata.set(p_rel, meta);
+ return true;
}
void Map::removeNodeMetadata(v3s16 p)
<<PP(blockpos)<<std::endl;
block = emergeBlock(blockpos, false);
}
- if(!block)
- {
+ if(!block){
infostream<<"WARNING: Map::getNodeTimer(): Block not found"
<<std::endl;
return NodeTimer();
<<PP(blockpos)<<std::endl;
block = emergeBlock(blockpos, false);
}
- if(!block)
- {
+ if(!block){
infostream<<"WARNING: Map::setNodeTimer(): Block not found"
<<std::endl;
return;
*/
ServerMap::ServerMap(std::string savedir, IGameDef *gamedef, EmergeManager *emerge):
Map(dout_server, gamedef),
- m_seed(0),
- m_map_metadata_changed(true),
- m_database(NULL),
- m_database_read(NULL),
- m_database_write(NULL)
+ m_emerge(emerge),
+ m_map_metadata_changed(true)
{
verbosestream<<__FUNCTION_NAME<<std::endl;
- m_emerge = emerge;
- m_mgparams = m_emerge->getParamsFromSettings(g_settings);
- if (!m_mgparams)
- m_mgparams = new MapgenV6Params();
-
- m_seed = m_mgparams->seed;
-
- if (g_settings->get("fixed_map_seed").empty())
- {
- m_seed = (((u64)(myrand() & 0xffff) << 0)
- | ((u64)(myrand() & 0xffff) << 16)
- | ((u64)(myrand() & 0xffff) << 32)
- | ((u64)(myrand() & 0xffff) << 48));
- m_mgparams->seed = m_seed;
- }
-
/*
- Experimental and debug stuff
+ Try to load map; if not found, create a new one.
*/
- {
+ // Determine which database backend to use
+ std::string conf_path = savedir + DIR_DELIM + "world.mt";
+ Settings conf;
+ bool succeeded = conf.readConfigFile(conf_path.c_str());
+ if (!succeeded || !conf.exists("backend")) {
+ // fall back to sqlite3
+ dbase = new Database_SQLite3(this, savedir);
+ conf.set("backend", "sqlite3");
+ } else {
+ std::string backend = conf.get("backend");
+ if (backend == "dummy")
+ dbase = new Database_Dummy(this);
+ else if (backend == "sqlite3")
+ dbase = new Database_SQLite3(this, savedir);
+ #if USE_LEVELDB
+ else if (backend == "leveldb")
+ dbase = new Database_LevelDB(this, savedir);
+ #endif
+ #if USE_REDIS
+ else if (backend == "redis")
+ dbase = new Database_Redis(this, savedir);
+ #endif
+ else
+ throw BaseException("Unknown map backend");
}
- /*
- Try to load map; if not found, create a new one.
- */
-
m_savedir = savedir;
m_map_saving_enabled = false;
infostream<<"ServerMap: Successfully loaded map "
<<"metadata from "<<savedir
<<", assuming valid save directory."
- <<" seed="<<m_seed<<"."
+ <<" seed="<< m_emerge->params.seed <<"."
<<std::endl;
m_map_saving_enabled = true;
/*
Close database if it was opened
*/
- if(m_database_read)
- sqlite3_finalize(m_database_read);
- if(m_database_write)
- sqlite3_finalize(m_database_write);
- if(m_database)
- sqlite3_close(m_database);
+ delete dbase;
#if 0
/*
delete chunk;
}
#endif
+}
- delete m_mgparams;
+u64 ServerMap::getSeed()
+{
+ return m_emerge->params.seed;
+}
+
+s16 ServerMap::getWaterLevel()
+{
+ return m_emerge->params.water_level;
}
bool ServerMap::initBlockMake(BlockMakeData *data, v3s16 blockpos)
bool enable_mapgen_debug_info = m_emerge->mapgen_debug_info;
EMERGE_DBG_OUT("initBlockMake(): " PP(blockpos) " - " PP(blockpos));
- s16 chunksize = m_mgparams->chunksize;
+ s16 chunksize = m_emerge->params.chunksize;
s16 coffset = -chunksize / 2;
v3s16 chunk_offset(coffset, coffset, coffset);
v3s16 blockpos_div = getContainerPos(blockpos - chunk_offset, chunksize);
blockpos_over_limit(blockpos_max + extra_borders))
return false;
- data->seed = m_seed;
+ data->seed = m_emerge->params.seed;
data->blockpos_min = blockpos_min;
data->blockpos_max = blockpos_max;
data->blockpos_requested = blockpos;
// Sector metadata is loaded from disk if not already loaded.
ServerMapSector *sector = createSector(sectorpos);
assert(sector);
+ (void) sector;
for(s16 y=blockpos_min.Y-extra_borders.Y;
y<=blockpos_max.Y+extra_borders.Y; y++)
//TimeTaker timer("initBlockMake() initialEmerge");
data->vmanip->initialEmerge(bigarea_blocks_min, bigarea_blocks_max, false);
}
-
+
// Ensure none of the blocks to be generated were marked as containing CONTENT_IGNORE
/* for (s16 z = blockpos_min.Z; z <= blockpos_max.Z; z++) {
for (s16 y = blockpos_min.Y; y <= blockpos_max.Y; y++) {
return true;
}
-MapBlock* ServerMap::finishBlockMake(BlockMakeData *data,
+void ServerMap::finishBlockMake(BlockMakeData *data,
std::map<v3s16, MapBlock*> &changed_blocks)
{
v3s16 blockpos_min = data->blockpos_min;
{
// 70ms @cs=8
//TimeTaker timer("finishBlockMake() blitBackAll");
- data->vmanip->blitBackAll(&changed_blocks);
+ data->vmanip->blitBackAll(&changed_blocks, false);
}
EMERGE_DBG_OUT("finishBlockMake: changed_blocks.size()=" << changed_blocks.size());
y<=blockpos_max.Y+extra_borders.Y; y++)
{
v3s16 p(x, y, z);
- getBlockNoCreateNoEx(p)->setLightingExpired(false);
+ MapBlock * block = getBlockNoCreateNoEx(p);
+ if (block != NULL)
+ block->setLightingExpired(false);
}
#if 0
i != changed_blocks.end(); ++i)
{
MapBlock *block = i->second;
- assert(block);
+ if (!block)
+ continue;
/*
Update day/night difference cache of the MapBlocks
*/
{
v3s16 p(x, y, z);
MapBlock *block = getBlockNoCreateNoEx(p);
- assert(block);
+ if (!block)
+ continue;
block->setGenerated(true);
}
/*infostream<<"finishBlockMake() done for ("<<blockpos_requested.X
<<","<<blockpos_requested.Y<<","
<<blockpos_requested.Z<<")"<<std::endl;*/
+
+
#if 0
if(enable_mapgen_debug_info)
{
}
#endif
- MapBlock *block = getBlockNoCreateNoEx(blockpos_requested);
- assert(block);
-
- return block;
+ getBlockNoCreateNoEx(blockpos_requested);
}
ServerMapSector * ServerMap::createSector(v2s16 p2d)
return block;
}
- /*if(allow_generate)
+
+#if 0
+ if(allow_generate)
{
std::map<v3s16, MapBlock*> modified_blocks;
MapBlock *block = generateBlock(p, modified_blocks);
return block;
}
- }*/
+ }
+#endif
return NULL;
}
+MapBlock *ServerMap::getBlockOrEmerge(v3s16 p3d)
+{
+ MapBlock *block = getBlockNoCreateNoEx(p3d);
+ if (block == NULL)
+ m_emerge->enqueueBlockEmerge(PEER_ID_INEXISTENT, p3d, false);
+
+ return block;
+}
+
+void ServerMap::prepareBlock(MapBlock *block) {
+}
+
s16 ServerMap::findGroundLevel(v2s16 p2d)
{
#if 0
//return (s16)level;
}
-void ServerMap::createDatabase() {
- int e;
- assert(m_database);
- e = sqlite3_exec(m_database,
- "CREATE TABLE IF NOT EXISTS `blocks` ("
- "`pos` INT NOT NULL PRIMARY KEY,"
- "`data` BLOB"
- ");"
- , NULL, NULL, NULL);
- if(e == SQLITE_ABORT)
- throw FileNotGoodException("Could not create database structure");
- else
- infostream<<"ServerMap: Database structure was created";
-}
-
-void ServerMap::verifyDatabase() {
- if(m_database)
- return;
-
- {
- std::string dbp = m_savedir + DIR_DELIM + "map.sqlite";
- bool needs_create = false;
- int d;
-
- /*
- Open the database connection
- */
-
- createDirs(m_savedir);
-
- if(!fs::PathExists(dbp))
- needs_create = true;
-
- d = sqlite3_open_v2(dbp.c_str(), &m_database, SQLITE_OPEN_READWRITE | SQLITE_OPEN_CREATE, NULL);
- if(d != SQLITE_OK) {
- infostream<<"WARNING: Database failed to open: "<<sqlite3_errmsg(m_database)<<std::endl;
- throw FileNotGoodException("Cannot open database file");
- }
-
- if(needs_create)
- createDatabase();
-
- d = sqlite3_prepare(m_database, "SELECT `data` FROM `blocks` WHERE `pos`=? LIMIT 1", -1, &m_database_read, NULL);
- if(d != SQLITE_OK) {
- infostream<<"WARNING: Database read statment failed to prepare: "<<sqlite3_errmsg(m_database)<<std::endl;
- throw FileNotGoodException("Cannot prepare read statement");
- }
-
- d = sqlite3_prepare(m_database, "REPLACE INTO `blocks` VALUES(?, ?)", -1, &m_database_write, NULL);
- if(d != SQLITE_OK) {
- infostream<<"WARNING: Database write statment failed to prepare: "<<sqlite3_errmsg(m_database)<<std::endl;
- throw FileNotGoodException("Cannot prepare write statement");
- }
-
- d = sqlite3_prepare(m_database, "SELECT `pos` FROM `blocks`", -1, &m_database_list, NULL);
- if(d != SQLITE_OK) {
- infostream<<"WARNING: Database list statment failed to prepare: "<<sqlite3_errmsg(m_database)<<std::endl;
- throw FileNotGoodException("Cannot prepare read statement");
- }
-
- infostream<<"ServerMap: Database opened"<<std::endl;
- }
-}
-
bool ServerMap::loadFromFolders() {
- if(!m_database && !fs::PathExists(m_savedir + DIR_DELIM + "map.sqlite"))
+ if(!dbase->Initialized() && !fs::PathExists(m_savedir + DIR_DELIM + "map.sqlite")) // ?
return true;
return false;
}
-sqlite3_int64 ServerMap::getBlockAsInteger(const v3s16 pos) {
- return (sqlite3_int64)pos.Z*16777216 +
- (sqlite3_int64)pos.Y*4096 + (sqlite3_int64)pos.X;
-}
-
void ServerMap::createDirs(std::string path)
{
if(fs::CreateAllDirs(path) == false)
return m_savedir + DIR_DELIM + "sectors2" + DIR_DELIM + cc;
default:
assert(false);
+ return "";
}
}
v2s16 ServerMap::getSectorPos(std::string dirname)
{
- unsigned int x, y;
+ unsigned int x = 0, y = 0;
int r;
std::string component;
fs::RemoveLastPathComponent(dirname, &component, 1);
}
}
-static s32 unsignedToSigned(s32 i, s32 max_positive)
-{
- if(i < max_positive)
- return i;
- else
- return i - 2*max_positive;
-}
-
-// modulo of a negative number does not work consistently in C
-static sqlite3_int64 pythonmodulo(sqlite3_int64 i, sqlite3_int64 mod)
-{
- if(i >= 0)
- return i % mod;
- return mod - ((-i) % mod);
-}
-
-v3s16 ServerMap::getIntegerAsBlock(sqlite3_int64 i)
-{
- s32 x = unsignedToSigned(pythonmodulo(i, 4096), 2048);
- i = (i - x) / 4096;
- s32 y = unsignedToSigned(pythonmodulo(i, 4096), 2048);
- i = (i - y) / 4096;
- s32 z = unsignedToSigned(pythonmodulo(i, 4096), 2048);
- return v3s16(x,y,z);
-}
-
void ServerMap::listAllLoadableBlocks(std::list<v3s16> &dst)
{
if(loadFromFolders()){
errorstream<<"Map::listAllLoadableBlocks(): Result will be missing "
<<"all blocks that are stored in flat files"<<std::endl;
}
-
- {
- verifyDatabase();
-
- while(sqlite3_step(m_database_list) == SQLITE_ROW)
- {
- sqlite3_int64 block_i = sqlite3_column_int64(m_database_list, 0);
- v3s16 p = getIntegerAsBlock(block_i);
- //dstream<<"block_i="<<block_i<<" p="<<PP(p)<<std::endl;
- dst.push_back(p);
- }
- }
+ dbase->listAllLoadableBlocks(dst);
}
void ServerMap::listAllLoadedBlocks(std::list<v3s16> &dst)
createDirs(m_savedir);
std::string fullpath = m_savedir + DIR_DELIM + "map_meta.txt";
- std::ofstream os(fullpath.c_str(), std::ios_base::binary);
- if(os.good() == false)
- {
- infostream<<"ERROR: ServerMap::saveMapMeta(): "
- <<"could not open"<<fullpath<<std::endl;
- throw FileNotGoodException("Cannot open chunk metadata");
- }
+ std::ostringstream ss(std::ios_base::binary);
Settings params;
- m_emerge->setParamsToSettings(¶ms);
- params.writeLines(os);
+ m_emerge->saveParamsToSettings(¶ms);
+ params.writeLines(ss);
- os<<"[end_of_params]\n";
+ ss<<"[end_of_params]\n";
+
+ if(!fs::safeWriteToFile(fullpath, ss.str()))
+ {
+ infostream<<"ERROR: ServerMap::saveMapMeta(): "
+ <<"could not write "<<fullpath<<std::endl;
+ throw FileNotGoodException("Cannot save chunk metadata");
+ }
m_map_metadata_changed = false;
}
break;
params.parseConfigLine(line);
}
-
- MapgenParams *mgparams;
- try {
- mgparams = m_emerge->getParamsFromSettings(¶ms);
- } catch (SettingNotFoundException &e) {
- infostream << "Couldn't get a setting from map_meta.txt: "
- << e.what() << std::endl;
- mgparams = NULL;
- }
-
- if (mgparams) {
- if (m_mgparams)
- delete m_mgparams;
- m_mgparams = mgparams;
- m_seed = mgparams->seed;
- } else {
- if (params.exists("seed")) {
- m_seed = params.getU64("seed");
- m_mgparams->seed = m_seed;
- }
- }
- verbosestream<<"ServerMap::loadMapMeta(): "<<"seed="<<m_seed<<std::endl;
+ m_emerge->loadParamsFromSettings(¶ms);
+
+ verbosestream<<"ServerMap::loadMapMeta(): seed="
+ << m_emerge->params.seed<<std::endl;
}
void ServerMap::saveSectorMeta(ServerMapSector *sector)
{
DSTACK(__FUNCTION_NAME);
// Format used for writing
- u8 version = SER_FMT_VER_HIGHEST;
+ u8 version = SER_FMT_VER_HIGHEST_WRITE;
// Get destination
v2s16 pos = sector->getPos();
std::string dir = getSectorDir(pos);
createDirs(dir);
std::string fullpath = dir + DIR_DELIM + "meta";
- std::ofstream o(fullpath.c_str(), std::ios_base::binary);
- if(o.good() == false)
- throw FileNotGoodException("Cannot open sector metafile");
+ std::ostringstream ss(std::ios_base::binary);
+
+ sector->serialize(ss, version);
- sector->serialize(o, version);
+ if(!fs::safeWriteToFile(fullpath, ss.str()))
+ throw FileNotGoodException("Cannot write sector metafile");
sector->differs_from_disk = false;
}
}
#endif
-void ServerMap::beginSave() {
- verifyDatabase();
- if(sqlite3_exec(m_database, "BEGIN;", NULL, NULL, NULL) != SQLITE_OK)
- infostream<<"WARNING: beginSave() failed, saving might be slow.";
+void ServerMap::beginSave()
+{
+ dbase->beginSave();
}
-void ServerMap::endSave() {
- verifyDatabase();
- if(sqlite3_exec(m_database, "COMMIT;", NULL, NULL, NULL) != SQLITE_OK)
- infostream<<"WARNING: endSave() failed, map might not have saved.";
+void ServerMap::endSave()
+{
+ dbase->endSave();
}
-void ServerMap::saveBlock(MapBlock *block)
+bool ServerMap::saveBlock(MapBlock *block)
{
- DSTACK(__FUNCTION_NAME);
- /*
- Dummy blocks are not written
- */
- if(block->isDummy())
- {
- /*v3s16 p = block->getPos();
- infostream<<"ServerMap::saveBlock(): WARNING: Not writing dummy block "
- <<"("<<p.X<<","<<p.Y<<","<<p.Z<<")"<<std::endl;*/
- return;
- }
+ return saveBlock(block, dbase);
+}
- // Format used for writing
- u8 version = SER_FMT_VER_HIGHEST;
- // Get destination
+bool ServerMap::saveBlock(MapBlock *block, Database *db)
+{
v3s16 p3d = block->getPos();
+ // Dummy blocks are not written
+ if (block->isDummy()) {
+ errorstream << "WARNING: saveBlock: Not writing dummy block "
+ << PP(p3d) << std::endl;
+ return true;
+ }
-#if 0
- v2s16 p2d(p3d.X, p3d.Z);
- std::string sectordir = getSectorDir(p2d);
-
- createDirs(sectordir);
+ // Format used for writing
+ u8 version = SER_FMT_VER_HIGHEST_WRITE;
- std::string fullpath = sectordir+DIR_DELIM+getBlockFilename(p3d);
- std::ofstream o(fullpath.c_str(), std::ios_base::binary);
- if(o.good() == false)
- throw FileNotGoodException("Cannot open block data");
-#endif
/*
[0] u8 serialization version
[1] data
*/
-
- verifyDatabase();
-
std::ostringstream o(std::ios_base::binary);
-
- o.write((char*)&version, 1);
-
- // Write basic data
+ o.write((char*) &version, 1);
block->serialize(o, version, true);
- // Write block to database
-
- std::string tmp = o.str();
- const char *bytes = tmp.c_str();
-
- bool success = true;
- if(sqlite3_bind_int64(m_database_write, 1, getBlockAsInteger(p3d)) != SQLITE_OK) {
- infostream<<"WARNING: Block position failed to bind: "<<sqlite3_errmsg(m_database)<<std::endl;
- success = false;
- }
- if(sqlite3_bind_blob(m_database_write, 2, (void *)bytes, o.tellp(), NULL) != SQLITE_OK) { // TODO this mught not be the right length
- infostream<<"WARNING: Block data failed to bind: "<<sqlite3_errmsg(m_database)<<std::endl;
- success = false;
- }
- int written = sqlite3_step(m_database_write);
- if(written != SQLITE_DONE) {
- errorstream<<"WARNING: Block failed to save ("<<p3d.X<<", "<<p3d.Y<<", "<<p3d.Z<<") "
- <<sqlite3_errmsg(m_database)<<std::endl;
- success = false;
- }
- // Make ready for later reuse
- sqlite3_reset(m_database_write);
-
- // We just wrote it to the disk so clear modified flag
- if (success)
+ std::string data = o.str();
+ bool ret = db->saveBlock(p3d, data);
+ if(ret) {
+ // We just wrote it to the disk so clear modified flag
block->resetModified();
+ }
+ return ret;
}
-void ServerMap::loadBlock(std::string sectordir, std::string blockfile, MapSector *sector, bool save_after_load)
+void ServerMap::loadBlock(std::string sectordir, std::string blockfile,
+ MapSector *sector, bool save_after_load)
{
DSTACK(__FUNCTION_NAME);
std::string fullpath = sectordir+DIR_DELIM+blockfile;
- try{
+ try {
std::ifstream is(fullpath.c_str(), std::ios_base::binary);
if(is.good() == false)
Save blocks loaded in old format in new format
*/
- if(version < SER_FMT_VER_HIGHEST || save_after_load)
+ if(version < SER_FMT_VER_HIGHEST_WRITE || save_after_load)
{
saveBlock(block);
<<" (SerializationError). "
<<"what()="<<e.what()
<<std::endl;
- //" Ignoring. A new one will be generated.
+ // Ignoring. A new one will be generated.
assert(0);
// TODO: Backup file; name is in fullpath.
Save blocks loaded in old format in new format
*/
- //if(version < SER_FMT_VER_HIGHEST || save_after_load)
+ //if(version < SER_FMT_VER_HIGHEST_READ || save_after_load)
// Only save if asked to; no need to update version
if(save_after_load)
saveBlock(block);
v2s16 p2d(blockpos.X, blockpos.Z);
- if(!loadFromFolders()) {
- verifyDatabase();
-
- if(sqlite3_bind_int64(m_database_read, 1, getBlockAsInteger(blockpos)) != SQLITE_OK)
- infostream<<"WARNING: Could not bind block position for load: "
- <<sqlite3_errmsg(m_database)<<std::endl;
- if(sqlite3_step(m_database_read) == SQLITE_ROW) {
- /*
- Make sure sector is loaded
- */
- MapSector *sector = createSector(p2d);
-
- /*
- Load block
- */
- const char * data = (const char *)sqlite3_column_blob(m_database_read, 0);
- size_t len = sqlite3_column_bytes(m_database_read, 0);
-
- std::string datastr(data, len);
+ std::string ret;
- loadBlock(&datastr, blockpos, sector, false);
-
- sqlite3_step(m_database_read);
- // We should never get more than 1 row, so ok to reset
- sqlite3_reset(m_database_read);
-
- return getBlockNoCreateNoEx(blockpos);
- }
- sqlite3_reset(m_database_read);
-
- // Not found in database, try the files
+ ret = dbase->loadBlock(blockpos);
+ if (ret != "") {
+ loadBlock(&ret, blockpos, createSector(p2d), false);
+ return getBlockNoCreateNoEx(blockpos);
}
+ // Not found in database, try the files
// The directory layout we're going to load from.
// 1 - original sectors/xxxxzzzz/
out<<"ServerMap: ";
}
-/*
- MapVoxelManipulator
-*/
-
-MapVoxelManipulator::MapVoxelManipulator(Map *map)
-{
- m_map = map;
-}
-
-MapVoxelManipulator::~MapVoxelManipulator()
-{
- /*infostream<<"MapVoxelManipulator: blocks: "<<m_loaded_blocks.size()
- <<std::endl;*/
-}
-
-void MapVoxelManipulator::emerge(VoxelArea a, s32 caller_id)
-{
- TimeTaker timer1("emerge", &emerge_time);
-
- // Units of these are MapBlocks
- v3s16 p_min = getNodeBlockPos(a.MinEdge);
- v3s16 p_max = getNodeBlockPos(a.MaxEdge);
-
- VoxelArea block_area_nodes
- (p_min*MAP_BLOCKSIZE, (p_max+1)*MAP_BLOCKSIZE-v3s16(1,1,1));
-
- addArea(block_area_nodes);
-
- for(s32 z=p_min.Z; z<=p_max.Z; z++)
- for(s32 y=p_min.Y; y<=p_max.Y; y++)
- for(s32 x=p_min.X; x<=p_max.X; x++)
- {
- u8 flags = 0;
- MapBlock *block;
- v3s16 p(x,y,z);
- std::map<v3s16, u8>::iterator n;
- n = m_loaded_blocks.find(p);
- if(n != m_loaded_blocks.end())
- continue;
-
- bool block_data_inexistent = false;
- try
- {
- TimeTaker timer1("emerge load", &emerge_load_time);
-
- /*infostream<<"Loading block (caller_id="<<caller_id<<")"
- <<" ("<<p.X<<","<<p.Y<<","<<p.Z<<")"
- <<" wanted area: ";
- a.print(infostream);
- infostream<<std::endl;*/
-
- block = m_map->getBlockNoCreate(p);
- if(block->isDummy())
- block_data_inexistent = true;
- else
- block->copyTo(*this);
- }
- catch(InvalidPositionException &e)
- {
- block_data_inexistent = true;
- }
-
- if(block_data_inexistent)
- {
- flags |= VMANIP_BLOCK_DATA_INEXIST;
-
- VoxelArea a(p*MAP_BLOCKSIZE, (p+1)*MAP_BLOCKSIZE-v3s16(1,1,1));
- // Fill with VOXELFLAG_INEXISTENT
- for(s32 z=a.MinEdge.Z; z<=a.MaxEdge.Z; z++)
- for(s32 y=a.MinEdge.Y; y<=a.MaxEdge.Y; y++)
- {
- s32 i = m_area.index(a.MinEdge.X,y,z);
- memset(&m_flags[i], VOXELFLAG_INEXISTENT, MAP_BLOCKSIZE);
- }
- }
- /*else if (block->getNode(0, 0, 0).getContent() == CONTENT_IGNORE)
- {
- // Mark that block was loaded as blank
- flags |= VMANIP_BLOCK_CONTAINS_CIGNORE;
- }*/
-
- m_loaded_blocks[p] = flags;
- }
-
- //infostream<<"emerge done"<<std::endl;
-}
-
-/*
- SUGG: Add an option to only update eg. water and air nodes.
- This will make it interfere less with important stuff if
- run on background.
-*/
-void MapVoxelManipulator::blitBack
- (std::map<v3s16, MapBlock*> & modified_blocks)
-{
- if(m_area.getExtent() == v3s16(0,0,0))
- return;
-
- //TimeTaker timer1("blitBack");
-
- /*infostream<<"blitBack(): m_loaded_blocks.size()="
- <<m_loaded_blocks.size()<<std::endl;*/
-
- /*
- Initialize block cache
- */
- v3s16 blockpos_last;
- MapBlock *block = NULL;
- bool block_checked_in_modified = false;
-
- for(s32 z=m_area.MinEdge.Z; z<=m_area.MaxEdge.Z; z++)
- for(s32 y=m_area.MinEdge.Y; y<=m_area.MaxEdge.Y; y++)
- for(s32 x=m_area.MinEdge.X; x<=m_area.MaxEdge.X; x++)
- {
- v3s16 p(x,y,z);
-
- u8 f = m_flags[m_area.index(p)];
- if(f & (VOXELFLAG_NOT_LOADED|VOXELFLAG_INEXISTENT))
- continue;
-
- MapNode &n = m_data[m_area.index(p)];
-
- v3s16 blockpos = getNodeBlockPos(p);
-
- try
- {
- // Get block
- if(block == NULL || blockpos != blockpos_last){
- block = m_map->getBlockNoCreate(blockpos);
- blockpos_last = blockpos;
- block_checked_in_modified = false;
- }
-
- // Calculate relative position in block
- v3s16 relpos = p - blockpos * MAP_BLOCKSIZE;
-
- // Don't continue if nothing has changed here
- if(block->getNode(relpos) == n)
- continue;
-
- //m_map->setNode(m_area.MinEdge + p, n);
- block->setNode(relpos, n);
-
- /*
- Make sure block is in modified_blocks
- */
- if(block_checked_in_modified == false)
- {
- modified_blocks[blockpos] = block;
- block_checked_in_modified = true;
- }
- }
- catch(InvalidPositionException &e)
- {
- }
- }
-}
-
ManualMapVoxelManipulator::ManualMapVoxelManipulator(Map *map):
- MapVoxelManipulator(map),
- m_create_area(false)
+ VoxelManipulator(),
+ m_create_area(false),
+ m_map(map)
{
}
{
}
-void ManualMapVoxelManipulator::emerge(VoxelArea a, s32 caller_id)
-{
- // Just create the area so that it can be pointed to
- VoxelManipulator::emerge(a, caller_id);
-}
-
void ManualMapVoxelManipulator::initialEmerge(v3s16 blockpos_min,
v3s16 blockpos_max, bool load_if_inexistent)
{
if(block_data_inexistent)
{
-
+
if (load_if_inexistent) {
ServerMap *svrmap = (ServerMap *)m_map;
block = svrmap->emergeBlock(p, false);
block->copyTo(*this);
} else {
flags |= VMANIP_BLOCK_DATA_INEXIST;
-
+
/*
Mark area inexistent
*/
VoxelArea a(p*MAP_BLOCKSIZE, (p+1)*MAP_BLOCKSIZE-v3s16(1,1,1));
- // Fill with VOXELFLAG_INEXISTENT
+ // Fill with VOXELFLAG_NO_DATA
for(s32 z=a.MinEdge.Z; z<=a.MaxEdge.Z; z++)
for(s32 y=a.MinEdge.Y; y<=a.MaxEdge.Y; y++)
{
s32 i = m_area.index(a.MinEdge.X,y,z);
- memset(&m_flags[i], VOXELFLAG_INEXISTENT, MAP_BLOCKSIZE);
+ memset(&m_flags[i], VOXELFLAG_NO_DATA, MAP_BLOCKSIZE);
}
}
}
}
void ManualMapVoxelManipulator::blitBackAll(
- std::map<v3s16, MapBlock*> * modified_blocks)
+ std::map<v3s16, MapBlock*> *modified_blocks,
+ bool overwrite_generated)
{
if(m_area.getExtent() == v3s16(0,0,0))
return;
v3s16 p = i->first;
MapBlock *block = m_map->getBlockNoCreateNoEx(p);
bool existed = !(i->second & VMANIP_BLOCK_DATA_INEXIST);
- if(existed == false)
- {
+ if ((existed == false) || (block == NULL) ||
+ (overwrite_generated == false && block->isGenerated() == true))
continue;
- }
block->copyFrom(*this);
projects / oweals / minetest.git / blobdiff