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final fixes to liquid flow, works now as intended

This commit is contained in:
Felix Krause 2011-07-17 13:55:59 +02:00 committed by Nils Dagsson Moskopp
parent b7862805c8
commit 466f9d87b6
1 changed files with 5 additions and 15 deletions
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20
src/map.cpp
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@ -1612,7 +1612,7 @@ void Map::transformLiquids(core::map<v3s16, MapBlock*> & modified_blocks)
int num_flows = 0;
NodeNeighbor airs[6]; // surrounding air
int num_airs = 0;
NodeNeighbor neutrals[6]; // nodes that are solid, another kind of liquid
NodeNeighbor neutrals[6]; // nodes that are solid or another kind of liquid
int num_neutrals = 0;
bool flowing_down = false;
for (u16 i = 0; i < 6; i++) {
@ -1631,7 +1631,7 @@ void Map::transformLiquids(core::map<v3s16, MapBlock*> & modified_blocks)
case LIQUID_NONE:
if (nb.n.d == CONTENT_AIR) {
airs[num_airs++] = nb;
// if the current nodes happens to be a flowing node, it will start to flow down here.
// if the current node happens to be a flowing node, it will start to flow down here.
if (nb.t == NEIGHBOR_LOWER)
flowing_down = true;
} else {
@ -1650,22 +1650,12 @@ void Map::transformLiquids(core::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
// (while ignoring flowing liquids at the lowest level, which cannot flow into this node)
if (liquid_kind == CONTENT_AIR)
liquid_kind = content_features(nb.n.d).liquid_alternative_flowing;
if (content_features(nb.n.d).liquid_alternative_flowing != liquid_kind) {
neutrals[num_neutrals++] = nb;
} else {
// order flowing neighbors by liquid level descending
u16 insert_at = 0;
while (insert_at < num_flows && ((flows[insert_at].n.param2 & LIQUID_LEVEL_MASK) >
(nb.n.param2 & LIQUID_LEVEL_MASK))) {
insert_at++;
}
for (u16 j = insert_at; j < num_flows; j++)
flows[j + 1] = flows[j];
flows[insert_at] = nb;
num_flows++;
flows[num_flows++] = nb;
if (nb.t == NEIGHBOR_LOWER)
flowing_down = true;
}
@ -1776,10 +1766,10 @@ void Map::transformLiquids(core::map<v3s16, MapBlock*> & modified_blocks)
break;
case LIQUID_FLOWING:
for (u16 i = 0; i < num_flows; i++) {
/*u8 flow_level = (flows[i].n.param2 & LIQUID_LEVEL_MASK);
u8 flow_level = (flows[i].n.param2 & LIQUID_LEVEL_MASK);
// liquid_level is still the ORIGINAL level of this node.
if (flows[i].t != NEIGHBOR_UPPER && ((flow_level < liquid_level || flow_level < new_node_level) ||
flow_down_enabled))*/
flow_down_enabled))
m_transforming_liquid.push_back(flows[i].p);
}
for (u16 i = 0; i < num_airs; i++) {