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transformLiquid: small optimization and whitespace cleanup

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This commit is contained in:
Giuseppe Bilotta 2011-08-16 06:00:40 +02:00
parent dc4ac0b96f
commit 708f1c336e
1 changed files with 11 additions and 18 deletions
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29
src/map.cpp
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@ -1575,7 +1575,7 @@ void Map::transformLiquids(core::map<v3s16, MapBlock*> & modified_blocks)
v3s16 p0 = m_transforming_liquid.pop_front(); v3s16 p0 = m_transforming_liquid.pop_front();
MapNode n0 = getNodeNoEx(p0); MapNode n0 = getNodeNoEx(p0);
/* /*
Collect information about current node Collect information about current node
*/ */
@ -1599,18 +1599,11 @@ void Map::transformLiquids(core::map<v3s16, MapBlock*> & modified_blocks)
liquid_kind = CONTENT_AIR; liquid_kind = CONTENT_AIR;
break; break;
} }
/* /*
Collect information about the environment Collect information about the environment
*/ */
v3s16 dirs[6] = { const v3s16 *dirs = g_6dirs;
v3s16( 0, 1, 0), // top
v3s16( 0,-1, 0), // bottom
v3s16( 1, 0, 0), // right
v3s16(-1, 0, 0), // left
v3s16( 0, 0, 1), // back
v3s16( 0, 0,-1), // front
};
NodeNeighbor sources[6]; // surrounding sources NodeNeighbor sources[6]; // surrounding sources
int num_sources = 0; int num_sources = 0;
NodeNeighbor flows[6]; // surrounding flowing liquid nodes NodeNeighbor flows[6]; // surrounding flowing liquid nodes
@ -1623,10 +1616,10 @@ void Map::transformLiquids(core::map<v3s16, MapBlock*> & modified_blocks)
for (u16 i = 0; i < 6; i++) { for (u16 i = 0; i < 6; i++) {
NeighborType nt = NEIGHBOR_SAME_LEVEL; NeighborType nt = NEIGHBOR_SAME_LEVEL;
switch (i) { switch (i) {
case 0: case 1:
nt = NEIGHBOR_UPPER; nt = NEIGHBOR_UPPER;
break; break;
case 1: case 4:
nt = NEIGHBOR_LOWER; nt = NEIGHBOR_LOWER;
break; break;
} }
@ -1667,7 +1660,7 @@ void Map::transformLiquids(core::map<v3s16, MapBlock*> & modified_blocks)
break; break;
} }
} }
/* /*
decide on the type (and possibly level) of the current node decide on the type (and possibly level) of the current node
*/ */
@ -1717,13 +1710,13 @@ void Map::transformLiquids(core::map<v3s16, MapBlock*> & modified_blocks)
if (!at_wall) if (!at_wall)
new_node_level -= 1; new_node_level -= 1;
} }
if (new_node_level >= 0) if (new_node_level >= 0)
new_node_content = liquid_kind; new_node_content = liquid_kind;
else else
new_node_content = CONTENT_AIR; new_node_content = CONTENT_AIR;
} }
/* /*
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.
*/ */
@ -1732,8 +1725,8 @@ void Map::transformLiquids(core::map<v3s16, MapBlock*> & modified_blocks)
((n0.param2 & LIQUID_FLOW_DOWN_MASK) == LIQUID_FLOW_DOWN_MASK) ((n0.param2 & LIQUID_FLOW_DOWN_MASK) == LIQUID_FLOW_DOWN_MASK)
== flowing_down))) == flowing_down)))
continue; continue;
/* /*
update the current node update the current node
*/ */
@ -1751,7 +1744,7 @@ void Map::transformLiquids(core::map<v3s16, MapBlock*> & modified_blocks)
MapBlock *block = getBlockNoCreateNoEx(blockpos); MapBlock *block = getBlockNoCreateNoEx(blockpos);
if(block != NULL) if(block != NULL)
modified_blocks.insert(blockpos, block); modified_blocks.insert(blockpos, block);
/* /*
enqueue neighbors for update if neccessary enqueue neighbors for update if neccessary
*/ */