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minetest-engine-minecheat
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Fix liquid_range 

* Prevent graphical glitches on old servers
* Fix flowing of liquids with viscosity != 1 and range != 8
* Fix range = 0, no flowing nodes will appear
stable-0.4
PilzAdam 2013-09-09 15:32:55 +02:00
parent 2bf9abade2
commit 0d35350b69
2 changed files with 10 additions and 4 deletions
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8
src/content_mapblock.cpp
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@ -395,7 +395,7 @@ void mapblock_mesh_generate_special(MeshMakeData *data,
l = getInteriorLight(n, 0, data);
video::SColor c = MapBlock_LightColor(f.alpha, l, decode_light(f.light_source));
u8 range = rangelim(nodedef->get(c_flowing).liquid_range, 0, 8);
u8 range = rangelim(nodedef->get(c_flowing).liquid_range, 1, 8);
// Neighbor liquid levels (key = relative position)
// Includes current node
@ -429,7 +429,11 @@ void mapblock_mesh_generate_special(MeshMakeData *data,
if(n2.getContent() == c_source)
level = (-0.5+node_liquid_level) * BS;
else if(n2.getContent() == c_flowing){
u8 liquid_level = (n2.param2&LIQUID_LEVEL_MASK) - (LIQUID_LEVEL_MAX+1-range);
u8 liquid_level = (n2.param2&LIQUID_LEVEL_MASK);
if (liquid_level <= LIQUID_LEVEL_MAX+1-range)
liquid_level = 0;
else
liquid_level -= (LIQUID_LEVEL_MAX+1-range);
level = (-0.5 + ((float)liquid_level+ 0.5) / (float)range * node_liquid_level) * BS;
}

6
src/map.cpp
View File

@ -2136,6 +2136,7 @@ void Map::transformLiquids(std::map<v3s16, MapBlock*> & modified_blocks)
content_t new_node_content;
s8 new_node_level = -1;
s8 max_node_level = -1;
u8 range = rangelim(nodemgr->get(liquid_kind).liquid_range, 0, LIQUID_LEVEL_MAX+1);
if ((num_sources >= 2 && nodemgr->get(liquid_kind).liquid_renewable) || liquid_type == LIQUID_SOURCE) {
// liquid_kind will be set to either the flowing alternative of the node (if it's a liquid)
// or the flowing alternative of the first of the surrounding sources (if it's air), so
@ -2145,6 +2146,8 @@ void Map::transformLiquids(std::map<v3s16, MapBlock*> & modified_blocks)
// liquid_kind is set properly, see above
new_node_content = liquid_kind;
max_node_level = new_node_level = LIQUID_LEVEL_MAX;
if (new_node_level < (LIQUID_LEVEL_MAX+1-range))
new_node_content = CONTENT_AIR;
} else {
// no surrounding sources, so get the maximum level that can flow into this node
for (u16 i = 0; i < num_flows; i++) {
@ -2185,8 +2188,7 @@ void Map::transformLiquids(std::map<v3s16, MapBlock*> & modified_blocks)
} else
new_node_level = max_node_level;
u8 range = rangelim(nodemgr->get(liquid_kind).liquid_range, 0, LIQUID_LEVEL_MAX+1);
if (new_node_level >= (LIQUID_LEVEL_MAX+1-range))
if (max_node_level >= (LIQUID_LEVEL_MAX+1-range))
new_node_content = liquid_kind;
else
new_node_content = CONTENT_AIR;