mirror of
https://github.com/luanti-org/luanti.git
synced 2025-06-27 16:36:03 +00:00
kwolekr
commit
979ca23f1e
10 changed files with 384 additions and 8 deletions
312
src/map.cpp
312
src/map.cpp
|
|
@ -1614,10 +1614,322 @@ struct NodeNeighbor {
|
|||
MapNode n;
|
||||
NeighborType t;
|
||||
v3s16 p;
|
||||
bool l; //can liquid
|
||||
bool i; //infinity
|
||||
};
|
||||
|
||||
void Map::transforming_liquid_add(v3s16 p) {
|
||||
m_transforming_liquid.push_back(p);
|
||||
}
|
||||
|
||||
s32 Map::transforming_liquid_size() {
|
||||
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(core::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");
|
||||
|
||||
/*if(initial_size != 0)
|
||||
infostream<<"transformLiquids(): initial_size="<<initial_size<<std::endl;*/
|
||||
|
||||
// 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)
|
||||
core::map<v3s16, MapBlock*> lighting_modified_blocks;
|
||||
|
||||
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 >= 1000)
|
||||
break;
|
||||
loopcount++;
|
||||
/*
|
||||
Get a queued transforming liquid node
|
||||
*/
|
||||
v3s16 p0 = m_transforming_liquid.pop_front();
|
||||
u16 total_level = 0;
|
||||
NodeNeighbor neighbors[7]; // surrounding flowing liquid nodes
|
||||
s8 liquid_levels[7] = {-1, -1, -1, -1, -1, -1, -1}; // current level of every block
|
||||
s8 liquid_levels_want[7] = {-1, -1, -1, -1, -1, -1, -1}; // target levels
|
||||
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];
|
||||
}
|
||||
|
||||
if (relax && p0.Y <= water_level && liquid_levels[D_TOP] == 0 && total_level >= LIQUID_LEVEL_SOURCE * can_liquid_same_level - can_liquid_same_level + 2 && can_liquid_same_level >= relax + 1) { //relax up
|
||||
total_level = LIQUID_LEVEL_SOURCE * can_liquid_same_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;
|
||||
|
||||
if (relax && p0.Y > water_level && liquid_levels[D_TOP] == 0 && liquid_levels[D_BOTTOM] == LIQUID_LEVEL_SOURCE && want_level == 0 && total_level <= can_liquid_same_level - 2 && can_liquid_same_level >= relax + 1) { //relax down
|
||||
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
|
||||
&& liquid_levels[ii] > liquid_levels_want[ii]
|
||||
) {
|
||||
++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 (liquid_levels_want[ii] >= 0 &&
|
||||
(neighbors[ii].i ||
|
||||
(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) //maybe == 1 //
|
||||
for (u16 ii = D_SELF + 1; ii < D_TOP; ++ii) { // only same level
|
||||
if (!neighbors[ii].l)
|
||||
continue;
|
||||
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.insert(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
|
||||
if (changed) for (u16 ii = D_SELF + 1; ii < D_TOP; ++ii) { // only same level
|
||||
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(core::map<v3s16, MapBlock*> & modified_blocks)
|
||||
{
|
||||
|
||||
if (g_settings->getBool("liquid_finite")) return Map::transformLiquidsFinite(modified_blocks);
|
||||
|
||||
INodeDefManager *nodemgr = m_gamedef->ndef();
|
||||
|
||||
DSTACK(__FUNCTION_NAME);
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue