void TestVoxelManipulator::testVoxelArea()
{
VoxelArea a(v3s16(-1,-1,-1), v3s16(1,1,1));
UASSERT(a.index(0,0,0) == 1*3*3 + 1*3 + 1);
UASSERT(a.index(-1,-1,-1) == 0);
VoxelArea c(v3s16(-2,-2,-2), v3s16(2,2,2));
// An area that is 1 bigger in x+ and z-
VoxelArea d(v3s16(-2,-2,-3), v3s16(3,2,2));
std::list<VoxelArea> aa;
d.diff(c, aa);
// Correct results
std::vector<VoxelArea> results;
results.push_back(VoxelArea(v3s16(-2,-2,-3), v3s16(3,2,-3)));
results.push_back(VoxelArea(v3s16(3,-2,-2), v3s16(3,2,2)));
UASSERT(aa.size() == results.size());
infostream<<"Result of diff:"<<std::endl;
for (std::list<VoxelArea>::const_iterator
it = aa.begin(); it != aa.end(); ++it) {
it->print(infostream);
infostream << std::endl;
std::vector<VoxelArea>::iterator j;
j = std::find(results.begin(), results.end(), *it);
UASSERT(j != results.end());
results.erase(j);
}
}
bool Schematic::placeOnVManip(MMVManip *vm, v3s16 p, u32 flags,
Rotation rot, bool force_place)
{
assert(vm != NULL);
assert(schemdata != NULL);
sanity_check(m_ndef != NULL);
//// Determine effective rotation and effective schematic dimensions
if (rot == ROTATE_RAND)
rot = (Rotation)myrand_range(ROTATE_0, ROTATE_270);
v3s16 s = (rot == ROTATE_90 || rot == ROTATE_270) ?
v3s16(size.Z, size.Y, size.X) : size;
//// Adjust placement position if necessary
if (flags & DECO_PLACE_CENTER_X)
p.X -= (s.X + 1) / 2;
if (flags & DECO_PLACE_CENTER_Y)
p.Y -= (s.Y + 1) / 2;
if (flags & DECO_PLACE_CENTER_Z)
p.Z -= (s.Z + 1) / 2;
blitToVManip(vm, p, rot, force_place);
return vm->m_area.contains(VoxelArea(p, p + s - v3s16(1,1,1)));
}
int LuaVoxelManip::l_calc_lighting(lua_State *L)
{
NO_MAP_LOCK_REQUIRED;
LuaVoxelManip *o = checkobject(L, 1);
if (!o->is_mapgen_vm)
return 0;
INodeDefManager *ndef = getServer(L)->getNodeDefManager();
EmergeManager *emerge = getServer(L)->getEmergeManager();
MMVManip *vm = o->vm;
v3s16 yblock = v3s16(0, 1, 0) * MAP_BLOCKSIZE;
v3s16 fpmin = vm->m_area.MinEdge;
v3s16 fpmax = vm->m_area.MaxEdge;
v3s16 pmin = lua_istable(L, 2) ? check_v3s16(L, 2) : fpmin + yblock;
v3s16 pmax = lua_istable(L, 3) ? check_v3s16(L, 3) : fpmax - yblock;
bool propagate_shadow = !lua_isboolean(L, 4) || lua_toboolean(L, 4);
sortBoxVerticies(pmin, pmax);
if (!vm->m_area.contains(VoxelArea(pmin, pmax)))
throw LuaError("Specified voxel area out of VoxelManipulator bounds");
Mapgen mg;
mg.vm = vm;
mg.ndef = ndef;
mg.water_level = emerge->mgparams->water_level;
mg.calcLighting(pmin, pmax, fpmin, fpmax, propagate_shadow);
return 0;
}
int LuaVoxelManip::l_set_lighting(lua_State *L)
{
NO_MAP_LOCK_REQUIRED;
LuaVoxelManip *o = checkobject(L, 1);
if (!o->is_mapgen_vm)
return 0;
if (!lua_istable(L, 2))
return 0;
u8 light;
light = (getintfield_default(L, 2, "day", 0) & 0x0F);
light |= (getintfield_default(L, 2, "night", 0) & 0x0F) << 4;
MMVManip *vm = o->vm;
v3s16 yblock = v3s16(0, 1, 0) * MAP_BLOCKSIZE;
v3s16 pmin = lua_istable(L, 3) ? check_v3s16(L, 3) : vm->m_area.MinEdge + yblock;
v3s16 pmax = lua_istable(L, 4) ? check_v3s16(L, 4) : vm->m_area.MaxEdge - yblock;
sortBoxVerticies(pmin, pmax);
if (!vm->m_area.contains(VoxelArea(pmin, pmax)))
throw LuaError("Specified voxel area out of VoxelManipulator bounds");
Mapgen mg;
mg.vm = vm;
mg.setLighting(light, pmin, pmax);
return 0;
}
void VoxelManipulator::clear()
{
// Reset area to volume=0
m_area = VoxelArea();
delete[] m_data;
m_data = NULL;
delete[] m_flags;
m_flags = NULL;
}
void MeshMakeData::fill(u32 daynight_ratio, MapBlock *block)
{
m_daynight_ratio = daynight_ratio;
m_blockpos = block->getPos();
v3s16 blockpos_nodes = m_blockpos*MAP_BLOCKSIZE;
/*
There is no harm not copying the TempMods of the neighbors
because they are already copied to this block
*/
m_temp_mods.clear();
block->copyTempMods(m_temp_mods);
/*
Copy data
*/
// Allocate this block + neighbors
m_vmanip.clear();
m_vmanip.addArea(VoxelArea(blockpos_nodes-v3s16(1,1,1)*MAP_BLOCKSIZE,
blockpos_nodes+v3s16(1,1,1)*MAP_BLOCKSIZE*2-v3s16(1,1,1)));
{
//TimeTaker timer("copy central block data");
// 0ms
// Copy our data
block->copyTo(m_vmanip);
}
{
//TimeTaker timer("copy neighbor block data");
// 0ms
/*
Copy neighbors. This is lightning fast.
Copying only the borders would be *very* slow.
*/
// Get map
Map *map = block->getParent();
for(u16 i=0; i<6; i++)
{
const v3s16 &dir = g_6dirs[i];
v3s16 bp = m_blockpos + dir;
MapBlock *b = map->getBlockNoCreateNoEx(bp);
if(b)
b->copyTo(m_vmanip);
}
}
}
MapBlock *EmergeThread::finishGen(v3s16 pos, BlockMakeData *bmdata,
std::map<v3s16, MapBlock *> *modified_blocks)
{
MutexAutoLock envlock(m_server->m_env_mutex);
ScopeProfiler sp(g_profiler,
"EmergeThread: after Mapgen::makeChunk", SPT_AVG);
/*
Perform post-processing on blocks (invalidate lighting, queue liquid
transforms, etc.) to finish block make
*/
m_map->finishBlockMake(bmdata, modified_blocks);
MapBlock *block = m_map->getBlockNoCreateNoEx(pos);
if (!block) {
errorstream << "EmergeThread::finishGen: Couldn't grab block we "
"just generated: " << PP(pos) << std::endl;
return NULL;
}
v3s16 minp = bmdata->blockpos_min * MAP_BLOCKSIZE;
v3s16 maxp = bmdata->blockpos_max * MAP_BLOCKSIZE +
v3s16(1,1,1) * (MAP_BLOCKSIZE - 1);
// Ignore map edit events, they will not need to be sent
// to anybody because the block hasn't been sent to anybody
MapEditEventAreaIgnorer ign(
&m_server->m_ignore_map_edit_events_area,
VoxelArea(minp, maxp));
/*
Run Lua on_generated callbacks
*/
try {
m_server->getScriptIface()->environment_OnGenerated(
minp, maxp, m_mapgen->blockseed);
} catch (LuaError &e) {
m_server->setAsyncFatalError("Lua: " + std::string(e.what()));
}
EMERGE_DBG_OUT("ended up with: " << analyze_block(block));
/*
Activate the block
*/
m_server->m_env->activateBlock(block, 0);
return block;
}
void MeshMakeData::fill(MapBlock *block)
{
m_blockpos = block->getPos();
v3s16 blockpos_nodes = m_blockpos*MAP_BLOCKSIZE;
/*
Copy data
*/
// Allocate this block + neighbors
m_vmanip.clear();
m_vmanip.addArea(VoxelArea(blockpos_nodes-v3s16(1,1,1)*MAP_BLOCKSIZE,
blockpos_nodes+v3s16(1,1,1)*MAP_BLOCKSIZE*2-v3s16(1,1,1)));
{
//TimeTaker timer("copy central block data");
// 0ms
// Copy our data
block->copyTo(m_vmanip);
}
{
//TimeTaker timer("copy neighbor block data");
// 0ms
/*
Copy neighbors. This is lightning fast.
Copying only the borders would be *very* slow.
*/
// Get map
Map *map = block->getParent();
for(u16 i=0; i<26; i++)
{
const v3s16 &dir = g_26dirs[i];
v3s16 bp = m_blockpos + dir;
MapBlock *b = map->getBlockNoCreateNoEx(bp);
if(b)
b->copyTo(m_vmanip);
}
}
}
// emerge_area(p1, p2, [callback, context])
// emerge mapblocks in area p1..p2, calls callback with context upon completion
int ModApiEnvMod::l_emerge_area(lua_State *L)
{
GET_ENV_PTR;
EmergeCompletionCallback callback = NULL;
ScriptCallbackState *state = NULL;
EmergeManager *emerge = getServer(L)->getEmergeManager();
v3s16 bpmin = getNodeBlockPos(read_v3s16(L, 1));
v3s16 bpmax = getNodeBlockPos(read_v3s16(L, 2));
sortBoxVerticies(bpmin, bpmax);
size_t num_blocks = VoxelArea(bpmin, bpmax).getVolume();
assert(num_blocks != 0);
if (lua_isfunction(L, 3)) {
callback = LuaEmergeAreaCallback;
lua_pushvalue(L, 3);
int callback_ref = luaL_ref(L, LUA_REGISTRYINDEX);
lua_pushvalue(L, 4);
int args_ref = luaL_ref(L, LUA_REGISTRYINDEX);
state = new ScriptCallbackState;
state->script = getServer(L)->getScriptIface();
state->callback_ref = callback_ref;
state->args_ref = args_ref;
state->refcount = num_blocks;
state->origin = getScriptApiBase(L)->getOrigin();
}
for (s16 z = bpmin.Z; z <= bpmax.Z; z++)
for (s16 y = bpmin.Y; y <= bpmax.Y; y++)
for (s16 x = bpmin.X; x <= bpmax.X; x++) {
emerge->enqueueBlockEmergeEx(v3s16(x, y, z), PEER_ID_INEXISTENT,
BLOCK_EMERGE_ALLOW_GEN | BLOCK_EMERGE_FORCE_QUEUE, callback, state);
}
return 0;
}
void *EmergeThread::Thread() {
ThreadStarted();
log_register_thread("EmergeThread" + itos(id));
DSTACK(__FUNCTION_NAME);
BEGIN_DEBUG_EXCEPTION_HANDLER
v3s16 last_tried_pos(-32768,-32768,-32768); // For error output
v3s16 p;
u8 flags = 0;
map = (ServerMap *)&(m_server->m_env->getMap());
emerge = m_server->m_emerge;
mapgen = emerge->mapgen[id];
enable_mapgen_debug_info = emerge->mapgen_debug_info;
porting::setThreadName("EmergeThread");
while (!StopRequested())
try {
if (!popBlockEmerge(&p, &flags)) {
qevent.wait();
continue;
}
last_tried_pos = p;
if (blockpos_over_limit(p))
continue;
bool allow_generate = flags & BLOCK_EMERGE_ALLOWGEN;
EMERGE_DBG_OUT("p=" PP(p) " allow_generate=" << allow_generate);
/*
Try to fetch block from memory or disk.
If not found and asked to generate, initialize generator.
*/
BlockMakeData data;
MapBlock *block = NULL;
std::map<v3s16, MapBlock *> modified_blocks;
if (getBlockOrStartGen(p, &block, &data, allow_generate) && mapgen) {
{
ScopeProfiler sp(g_profiler, "EmergeThread: Mapgen::makeChunk", SPT_AVG);
TimeTaker t("mapgen::make_block()");
mapgen->makeChunk(&data);
if (enable_mapgen_debug_info == false)
t.stop(true); // Hide output
}
{
//envlock: usually 0ms, but can take either 30 or 400ms to acquire
JMutexAutoLock envlock(m_server->m_env_mutex);
ScopeProfiler sp(g_profiler, "EmergeThread: after "
"Mapgen::makeChunk (envlock)", SPT_AVG);
map->finishBlockMake(&data, modified_blocks);
block = map->getBlockNoCreateNoEx(p);
if (block) {
/*
Do some post-generate stuff
*/
v3s16 minp = data.blockpos_min * MAP_BLOCKSIZE;
v3s16 maxp = data.blockpos_max * MAP_BLOCKSIZE +
v3s16(1,1,1) * (MAP_BLOCKSIZE - 1);
// Ignore map edit events, they will not need to be sent
// to anybody because the block hasn't been sent to anybody
MapEditEventAreaIgnorer
ign(&m_server->m_ignore_map_edit_events_area,
VoxelArea(minp, maxp));
try { // takes about 90ms with -O1 on an e3-1230v2
m_server->getScriptIface()->environment_OnGenerated(
minp, maxp, emerge->getBlockSeed(minp));
} catch(LuaError &e) {
m_server->setAsyncFatalError(e.what());
}
EMERGE_DBG_OUT("ended up with: " << analyze_block(block));
m_server->m_env->activateBlock(block, 0);
}
}
}
/*
Set sent status of modified blocks on clients
*/
// Add the originally fetched block to the modified list
if (block)
modified_blocks[p] = block;
if (modified_blocks.size() > 0) {
m_server->SetBlocksNotSent(modified_blocks);
}
}
catch (VersionMismatchException &e) {
std::ostringstream err;
err << "World data version mismatch in MapBlock "<<PP(last_tried_pos)<<std::endl;
err << "----"<<std::endl;
err << "\""<<e.what()<<"\""<<std::endl;
err << "See debug.txt."<<std::endl;
err << "World probably saved by a newer version of Minetest."<<std::endl;
m_server->setAsyncFatalError(err.str());
}
catch (SerializationError &e) {
std::ostringstream err;
err << "Invalid data in MapBlock "<<PP(last_tried_pos)<<std::endl;
err << "----"<<std::endl;
err << "\""<<e.what()<<"\""<<std::endl;
err << "See debug.txt."<<std::endl;
err << "You can ignore this using [ignore_world_load_errors = true]."<<std::endl;
m_server->setAsyncFatalError(err.str());
}
END_DEBUG_EXCEPTION_HANDLER(errorstream)
log_deregister_thread();
return NULL;
}
/*
Lights neighbors of from_nodes, collects all them and then
goes on recursively.
*/
void VoxelManipulator::spreadLight(enum LightBank bank,
core::map<v3s16, bool> & from_nodes, INodeDefManager *nodemgr)
{
const v3s16 dirs[6] = {
v3s16(0,0,1), // back
v3s16(0,1,0), // top
v3s16(1,0,0), // right
v3s16(0,0,-1), // front
v3s16(0,-1,0), // bottom
v3s16(-1,0,0), // left
};
if(from_nodes.size() == 0)
return;
core::map<v3s16, bool> lighted_nodes;
core::map<v3s16, bool>::Iterator j;
j = from_nodes.getIterator();
for(; j.atEnd() == false; j++)
{
v3s16 pos = j.getNode()->getKey();
emerge(VoxelArea(pos - v3s16(1,1,1), pos + v3s16(1,1,1)));
u32 i = m_area.index(pos);
if(m_flags[i] & VOXELFLAG_INEXISTENT)
continue;
MapNode &n = m_data[i];
u8 oldlight = n.getLight(bank, nodemgr);
u8 newlight = diminish_light(oldlight);
// Loop through 6 neighbors
for(u16 i=0; i<6; i++)
{
// Get the position of the neighbor node
v3s16 n2pos = pos + dirs[i];
try
{
u32 n2i = m_area.index(n2pos);
if(m_flags[n2i] & VOXELFLAG_INEXISTENT)
continue;
MapNode &n2 = m_data[n2i];
u8 light2 = n2.getLight(bank, nodemgr);
/*
If the neighbor is brighter than the current node,
add to list (it will light up this node on its turn)
*/
if(light2 > undiminish_light(oldlight))
{
lighted_nodes.insert(n2pos, true);
}
/*
If the neighbor is dimmer than how much light this node
would spread on it, add to list
*/
if(light2 < newlight)
{
if(nodemgr->get(n2).light_propagates)
{
n2.setLight(bank, newlight, nodemgr);
lighted_nodes.insert(n2pos, true);
}
}
}
catch(InvalidPositionException &e)
{
continue;
}
}
}
/*dstream<<"spreadLight(): Changed block "
<<blockchangecount<<" times"
<<" for "<<from_nodes.size()<<" nodes"
<<std::endl;*/
if(lighted_nodes.size() > 0)
spreadLight(bank, lighted_nodes, nodemgr);
}
void VoxelManipulator::spreadLight(enum LightBank bank, v3s16 p,
INodeDefManager *nodemgr)
{
const v3s16 dirs[6] = {
v3s16(0,0,1), // back
v3s16(0,1,0), // top
v3s16(1,0,0), // right
v3s16(0,0,-1), // front
v3s16(0,-1,0), // bottom
v3s16(-1,0,0), // left
};
emerge(VoxelArea(p - v3s16(1,1,1), p + v3s16(1,1,1)));
u32 i = m_area.index(p);
if(m_flags[i] & VOXELFLAG_INEXISTENT)
return;
MapNode &n = m_data[i];
u8 oldlight = n.getLight(bank, nodemgr);
u8 newlight = diminish_light(oldlight);
// Loop through 6 neighbors
for(u16 i=0; i<6; i++)
{
// Get the position of the neighbor node
v3s16 n2pos = p + dirs[i];
u32 n2i = m_area.index(n2pos);
if(m_flags[n2i] & VOXELFLAG_INEXISTENT)
continue;
MapNode &n2 = m_data[n2i];
u8 light2 = n2.getLight(bank, nodemgr);
/*
If the neighbor is brighter than the current node,
add to list (it will light up this node on its turn)
*/
if(light2 > undiminish_light(oldlight))
{
spreadLight(bank, n2pos, nodemgr);
}
/*
If the neighbor is dimmer than how much light this node
would spread on it, add to list
*/
if(light2 < newlight)
{
if(nodemgr->get(n2).light_propagates)
{
n2.setLight(bank, newlight, nodemgr);
spreadLight(bank, n2pos, nodemgr);
}
}
}
}
/*
Goes recursively through the neighbours of the node.
Alters only transparent nodes.
If the lighting of the neighbour is lower than the lighting of
the node was (before changing it to 0 at the step before), the
lighting of the neighbour is set to 0 and then the same stuff
repeats for the neighbour.
The ending nodes of the routine are stored in light_sources.
This is useful when a light is removed. In such case, this
routine can be called for the light node and then again for
light_sources to re-light the area without the removed light.
values of from_nodes are lighting values.
*/
void VoxelManipulator::unspreadLight(enum LightBank bank,
core::map<v3s16, u8> & from_nodes,
core::map<v3s16, bool> & light_sources)
{
v3s16 dirs[6] = {
v3s16(0,0,1), // back
v3s16(0,1,0), // top
v3s16(1,0,0), // right
v3s16(0,0,-1), // front
v3s16(0,-1,0), // bottom
v3s16(-1,0,0), // left
};
if(from_nodes.size() == 0)
return;
core::map<v3s16, u8> unlighted_nodes;
core::map<v3s16, u8>::Iterator j;
j = from_nodes.getIterator();
for(; j.atEnd() == false; j++)
{
v3s16 pos = j.getNode()->getKey();
emerge(VoxelArea(pos - v3s16(1,1,1), pos + v3s16(1,1,1)));
//MapNode &n = m_data[m_area.index(pos)];
u8 oldlight = j.getNode()->getValue();
// Loop through 6 neighbors
for(u16 i=0; i<6; i++)
{
// Get the position of the neighbor node
v3s16 n2pos = pos + dirs[i];
u32 n2i = m_area.index(n2pos);
if(m_flags[n2i] & VOXELFLAG_INEXISTENT)
continue;
MapNode &n2 = m_data[n2i];
/*
If the neighbor is dimmer than what was specified
as oldlight (the light of the previous node)
*/
if(n2.getLight(bank, nodemgr) < oldlight)
{
/*
And the neighbor is transparent and it has some light
*/
if(nodemgr->get(n2).light_propagates && n2.getLight(bank, nodemgr) != 0)
{
/*
Set light to 0 and add to queue
*/
u8 current_light = n2.getLight(bank, nodemgr);
n2.setLight(bank, 0);
unlighted_nodes.insert(n2pos, current_light);
/*
Remove from light_sources if it is there
NOTE: This doesn't happen nearly at all
*/
/*if(light_sources.find(n2pos))
{
std::cout<<"Removed from light_sources"<<std::endl;
light_sources.remove(n2pos);
}*/
}
}
else{
light_sources.insert(n2pos, true);
}
}
}
/*dstream<<"unspreadLight(): Changed block "
<<blockchangecount<<" times"
<<" for "<<from_nodes.size()<<" nodes"
<<std::endl;*/
if(unlighted_nodes.size() > 0)
unspreadLight(bank, unlighted_nodes, light_sources);
}
void VoxelManipulator::unspreadLight(enum LightBank bank, v3s16 p, u8 oldlight,
core::map<v3s16, bool> & light_sources, INodeDefManager *nodemgr)
{
v3s16 dirs[6] = {
v3s16(0,0,1), // back
v3s16(0,1,0), // top
v3s16(1,0,0), // right
v3s16(0,0,-1), // front
v3s16(0,-1,0), // bottom
v3s16(-1,0,0), // left
};
emerge(VoxelArea(p - v3s16(1,1,1), p + v3s16(1,1,1)));
// Loop through 6 neighbors
for(u16 i=0; i<6; i++)
{
// Get the position of the neighbor node
v3s16 n2pos = p + dirs[i];
u32 n2i = m_area.index(n2pos);
if(m_flags[n2i] & VOXELFLAG_INEXISTENT)
continue;
MapNode &n2 = m_data[n2i];
/*
If the neighbor is dimmer than what was specified
as oldlight (the light of the previous node)
*/
u8 light2 = n2.getLight(bank, nodemgr);
if(light2 < oldlight)
{
/*
And the neighbor is transparent and it has some light
*/
if(nodemgr->get(n2).light_propagates && light2 != 0)
{
/*
Set light to 0 and add to queue
*/
n2.setLight(bank, 0, nodemgr);
unspreadLight(bank, n2pos, light2, light_sources, nodemgr);
/*
Remove from light_sources if it is there
NOTE: This doesn't happen nearly at all
*/
/*if(light_sources.find(n2pos))
{
std::cout<<"Removed from light_sources"<<std::endl;
light_sources.remove(n2pos);
}*/
}
}
else{
light_sources.insert(n2pos, true);
}
}
}
void Run()
{
/*
VoxelArea
*/
VoxelArea a(v3s16(-1,-1,-1), v3s16(1,1,1));
assert(a.index(0,0,0) == 1*3*3 + 1*3 + 1);
assert(a.index(-1,-1,-1) == 0);
VoxelArea c(v3s16(-2,-2,-2), v3s16(2,2,2));
// An area that is 1 bigger in x+ and z-
VoxelArea d(v3s16(-2,-2,-3), v3s16(3,2,2));
core::list<VoxelArea> aa;
d.diff(c, aa);
// Correct results
core::array<VoxelArea> results;
results.push_back(VoxelArea(v3s16(-2,-2,-3),v3s16(3,2,-3)));
results.push_back(VoxelArea(v3s16(3,-2,-2),v3s16(3,2,2)));
assert(aa.size() == results.size());
infostream<<"Result of diff:"<<std::endl;
for(core::list<VoxelArea>::Iterator
i = aa.begin(); i != aa.end(); i++)
{
i->print(infostream);
infostream<<std::endl;
s32 j = results.linear_search(*i);
assert(j != -1);
results.erase(j, 1);
}
/*
VoxelManipulator
*/
VoxelManipulator v;
v.print(infostream);
infostream<<"*** Setting (-1,0,-1)=2 ***"<<std::endl;
v.setNodeNoRef(v3s16(-1,0,-1), MapNode(2));
v.print(infostream);
assert(v.getNode(v3s16(-1,0,-1)).getContent() == 2);
infostream<<"*** Reading from inexistent (0,0,-1) ***"<<std::endl;
EXCEPTION_CHECK(InvalidPositionException, v.getNode(v3s16(0,0,-1)));
v.print(infostream);
infostream<<"*** Adding area ***"<<std::endl;
v.addArea(a);
v.print(infostream);
assert(v.getNode(v3s16(-1,0,-1)).getContent() == 2);
EXCEPTION_CHECK(InvalidPositionException, v.getNode(v3s16(0,1,1)));
#if 0
/*
Water stuff
*/
v.clear();
const char *content =
"#...###### "
"#...##..## "
"#........ .."
"############"
"#...###### "
"#...##..## "
"#........# "
"############"
;
v3s16 size(12, 4, 2);
VoxelArea area(v3s16(0,0,0), size-v3s16(1,1,1));
const char *p = content;
for(s16 z=0; z<size.Z; z++)
for(s16 y=size.Y-1; y>=0; y--)
for(s16 x=0; x<size.X; x++)
{
MapNode n;
//n.pressure = size.Y - y;
if(*p == '#')
n.setContent(CONTENT_STONE);
else if(*p == '.')
n.setContent(CONTENT_WATER);
else if(*p == ' ')
n.setContent(CONTENT_AIR);
else
assert(0);
v.setNode(v3s16(x,y,z), n);
p++;
}
v.print(infostream, VOXELPRINT_WATERPRESSURE);
core::map<v3s16, u8> active_nodes;
v.updateAreaWaterPressure(area, active_nodes);
v.print(infostream, VOXELPRINT_WATERPRESSURE);
//s16 highest_y = -32768;
/*
NOTE: These are commented out because this behaviour is changed
all the time
*/
//assert(v.getWaterPressure(v3s16(7, 1, 1), highest_y, 0) == -1);
//assert(highest_y == 3);
/*assert(v.getWaterPressure(v3s16(7, 1, 1), highest_y, 0) == 3);
//assert(highest_y == 3);*/
active_nodes.clear();
active_nodes[v3s16(9,1,0)] = 1;
//v.flowWater(active_nodes, 0, true, 1000);
v.flowWater(active_nodes, 0, false, 1000);
infostream<<"Final result of flowWater:"<<std::endl;
v.print(infostream, VOXELPRINT_WATERPRESSURE);
#endif
//assert(0);
}
