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Liquid fine tuning

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proller 2013-03-13 01:18:45 +04:00 committed by kwolekr
parent 16c031be77
commit f5ab056b38
5 changed files with 112 additions and 53 deletions
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23
games/minimal/mods/default/mapgen.lua
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@ -69,10 +69,19 @@ local function generate_ore(name, wherein, minp, maxp, seed, chunks_per_volume,
end
minetest.register_on_generated(function(minp, maxp, seed)
generate_ore("default:stone_with_coal", "default:stone", minp, maxp, seed, 1/8/8/8, 5, -31000, 64)
generate_ore("default:stone_with_iron", "default:stone", minp, maxp, seed+1, 1/16/16/16, 5, -5, 7)
generate_ore("default:stone_with_iron", "default:stone", minp, maxp, seed+2, 1/12/12/12, 5, -16, -5)
generate_ore("default:stone_with_iron", "default:stone", minp, maxp, seed+3, 1/9/9/9, 5, -31000, -17)
generate_ore("default:stone_with_coal", "default:stone", minp, maxp, seed, 1/8/8/8, 5, -31000, 64 )
generate_ore("default:stone_with_iron", "default:stone", minp, maxp, seed+1, 1/16/16/16, 5, -5, 7 )
generate_ore("default:stone_with_iron", "default:stone", minp, maxp, seed+2, 1/12/12/12, 5, -16, -5 )
generate_ore("default:stone_with_iron", "default:stone", minp, maxp, seed+3, 1/9/9/9, 5, -31000, -17 )
if minetest.setting_getbool("underground_springs") then
generate_ore("default:water_source", "default:stone", minp, maxp, seed+4, 1/24/24/24, 12, -100, -11, 128)
generate_ore("default:water_source", "default:stone", minp, maxp, seed+5, 1/28/28/28, 8, -10000, -101, 128)
generate_ore("default:lava_source", "default:stone", minp, maxp, seed+6, 1/38/38/38, 6, -500, -101, 128)
generate_ore("default:lava_source", "default:stone", minp, maxp, seed+7, 1/30/30/30, 16, -5000, -501, 128)
generate_ore("default:lava_source", "default:stone", minp, maxp, seed+8, 1/24/24/24, 20, -31000, -5001, 128)
end
-- Generate clay
if maxp.y >= 2 and minp.y <= 0 then
-- Assume X and Z lengths are equal
@ -110,11 +119,5 @@ minetest.register_on_generated(function(minp, maxp, seed)
end
end
end
if minetest.setting_get("liquid_finite") then
generate_ore("default:water_source", "default:stone", minp, maxp, seed+42, 1/24/24/24, 4, -100, -10, 128)
generate_ore("default:water_source", "default:stone", minp, maxp, seed+42, 1/28/28/28, 3, -10000, -101, 128)
generate_ore("default:lava_source", "default:stone", minp, maxp, seed+43, 1/38/38/38, 2, -500, -100, 128)
generate_ore("default:lava_source", "default:stone", minp, maxp, seed+43, 1/30/30/30, 4, -31000, -501, 128)
end
end)

6
minetest.conf.example
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@ -95,9 +95,11 @@
# Update liquids every .. recommend for finite: 0.2
#liquid_update = 1.0
# When finite liquid: relax flowing blocks to source if level near max and N nearby source blocks, more realistic, but not true constant. values: 0,1,2,3,4 : 0 - disable, 1 - most aggresive
#liquid_relax = 1
# optimization: faster cave flood (and not true constant)
#liquid_relax = 2
# Optimization: faster cave flood (and not true constant)
#liquid_fast_flood = 1
# Underground water and lava springs, its infnity sources if liquid_finite enabled
#underground_springs = 1
# Enable nice leaves; disable for speed
#new_style_leaves = true
# Enable smooth lighting with simple ambient occlusion;

2
src/content_mapblock.cpp
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@ -324,7 +324,7 @@ void mapblock_mesh_generate_special(MeshMakeData *data,
}
}
if(air_count >= 2)
cornerlevel = -0.5*BS+0.1;
cornerlevel = -0.5*BS+0.2;
else if(valid_count > 0)
cornerlevel /= valid_count;
corner_levels[i] = cornerlevel;

7
src/defaultsettings.cpp
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@ -203,16 +203,17 @@ void set_default_settings(Settings *settings)
settings->setDefault("movement_liquid_fluidity_smooth", "0.5");
settings->setDefault("movement_liquid_sink", "10");
settings->setDefault("movement_gravity", "9.81");
//liquid stuff
settings->setDefault("liquid_finite", "false");
settings->setDefault("liquid_update", "1.0");
settings->setDefault("liquid_relax", "1");
settings->setDefault("liquid_relax", "2");
settings->setDefault("liquid_fast_flood", "1");
settings->setDefault("underground_springs", "1");
//mapgen stuff
settings->setDefault("mg_name", "v6");
settings->setDefault("water_level", "1");
settings->setDefault("water_level", "1");
settings->setDefault("chunksize", "5");
settings->setDefault("mg_flags", "trees, caves, v6_biome_blend");
settings->setDefault("mgv6_freq_desert", "0.45");

127
src/map.cpp
View File

@ -1639,19 +1639,16 @@ void Map::transformLiquidsFinite(std::map<v3s16, MapBlock*> & modified_blocks)
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)
std::map<v3s16, MapBlock*> lighting_modified_blocks;
while(m_transforming_liquid.size() > 0)
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)
if (loopcount >= initial_size || loopcount >= 1000)
break;
loopcount++;
/*
@ -1659,9 +1656,12 @@ void Map::transformLiquidsFinite(std::map<v3s16, MapBlock*> & modified_blocks)
*/
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
// 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;
@ -1696,9 +1696,11 @@ void Map::transformLiquidsFinite(std::map<v3s16, MapBlock*> & modified_blocks)
}
break;
case LIQUID_SOURCE:
// if this node is not (yet) of a liquid type, choose the first liquid type we encounter
// 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);
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) {
@ -1708,37 +1710,55 @@ void Map::transformLiquidsFinite(std::map<v3s16, MapBlock*> & modified_blocks)
}
break;
case LIQUID_FLOWING:
// if this node is not (yet) of a liquid type, choose the first liquid type we encounter
// 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);
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];
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
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;
<< " 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)
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;
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
//relax up
if (relax && 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;
}
@ -1749,7 +1769,11 @@ void Map::transformLiquidsFinite(std::map<v3s16, MapBlock*> & modified_blocks)
: 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
//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;
}
@ -1767,7 +1791,8 @@ void Map::transformLiquidsFinite(std::map<v3s16, MapBlock*> & modified_blocks)
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) {
if (liquid_levels_want[ii] >= 0 &&
liquid_levels_want[ii] < LIQUID_LEVEL_SOURCE) {
++liquid_levels_want[ii];
--total_level;
}
@ -1775,7 +1800,8 @@ void Map::transformLiquidsFinite(std::map<v3s16, MapBlock*> & modified_blocks)
// 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 ;
liquid_levels_want[D_TOP] = total_level > LIQUID_LEVEL_SOURCE ?
LIQUID_LEVEL_SOURCE : total_level;
total_level -= liquid_levels_want[D_TOP];
}
@ -1790,7 +1816,15 @@ void Map::transformLiquidsFinite(std::map<v3s16, MapBlock*> & modified_blocks)
&& 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;
/*
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++) {
@ -1814,8 +1848,10 @@ void Map::transformLiquidsFinite(std::map<v3s16, MapBlock*> & modified_blocks)
new_node_level = liquid_levels[i] - 1;
else if (level_inc > 0)
new_node_level = liquid_levels[i] + 1;
} else
} 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)
@ -1824,25 +1860,30 @@ void Map::transformLiquidsFinite(std::map<v3s16, MapBlock*> & modified_blocks)
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 //
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)
continue;
must_reflow_second.push_back(p0 + dirs[ii]);
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.
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
//&& ((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
(((n0.param2 & LIQUID_INFINITY_MASK) ==
LIQUID_INFINITY_MASK) == neighbors[i].i
))
) {
continue;
@ -1859,7 +1900,12 @@ void Map::transformLiquidsFinite(std::map<v3s16, MapBlock*> & modified_blocks)
//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;
/*
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;
@ -1869,7 +1915,8 @@ void Map::transformLiquidsFinite(std::map<v3s16, MapBlock*> & modified_blocks)
if(!suspect.empty()){
// Blame suspect
RollbackScopeActor rollback_scope(m_gamedef->rollback(), suspect, true);
RollbackScopeActor rollback_scope(m_gamedef->rollback(),
suspect, true);
// Get old node for rollback
RollbackNode rollback_oldnode(this, p0, m_gamedef);
// Set node
@ -1894,13 +1941,18 @@ void Map::transformLiquidsFinite(std::map<v3s16, MapBlock*> & modified_blocks)
}
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
/* //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;
/*
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)
@ -1911,7 +1963,8 @@ void Map::transformLiquidsFinite(std::map<v3s16, MapBlock*> & modified_blocks)
void Map::transformLiquids(std::map<v3s16, MapBlock*> & modified_blocks)
{
if (g_settings->getBool("liquid_finite")) return Map::transformLiquidsFinite(modified_blocks);
if (g_settings->getBool("liquid_finite"))
return Map::transformLiquidsFinite(modified_blocks);
INodeDefManager *nodemgr = m_gamedef->ndef();