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Merge pull request #243 from xyzz/liquid_renewable

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Add liquid_renewable property, allow non-renewable liquids.
This commit is contained in:
PilzAdam 2012-11-03 12:34:44 -07:00
commit 3cab24fbcf
5 changed files with 10 additions and 2 deletions
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2
doc/lua_api.txt
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@ -1347,6 +1347,8 @@ Node definition (register_node)
liquid_alternative_flowing = "", -- Flowing version of source liquid
liquid_alternative_source = "", -- Source version of flowing liquid
liquid_viscosity = 0, -- Higher viscosity = slower flow (max. 7)
liquid_renewable = true, -- Can new liquid source be created by placing
two or more sources nearly?
light_source = 0, -- Amount of light emitted by node
damage_per_second = 0, -- If player is inside node, this damage is caused
node_box = {type="regular"}, -- See "Node boxes"

4
src/map.cpp
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@ -1746,12 +1746,12 @@ void Map::transformLiquids(core::map<v3s16, MapBlock*> & modified_blocks)
content_t new_node_content;
s8 new_node_level = -1;
s8 max_node_level = -1;
if (num_sources >= 2 || liquid_type == LIQUID_SOURCE) {
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
// it's perfectly safe to use liquid_kind here to determine the new node content.
new_node_content = nodemgr->getId(nodemgr->get(liquid_kind).liquid_alternative_source);
} else if (num_sources == 1 && sources[0].t != NEIGHBOR_LOWER) {
} else if (num_sources >= 1 && sources[0].t != NEIGHBOR_LOWER) {
// liquid_kind is set properly, see above
new_node_content = liquid_kind;
max_node_level = new_node_level = LIQUID_LEVEL_MAX;

3
src/nodedef.cpp
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@ -203,6 +203,7 @@ void ContentFeatures::reset()
liquid_alternative_flowing = "";
liquid_alternative_source = "";
liquid_viscosity = 0;
liquid_renewable = true;
light_source = 0;
damage_per_second = 0;
node_box = NodeBox();
@ -253,6 +254,7 @@ void ContentFeatures::serialize(std::ostream &os)
os<<serializeString(liquid_alternative_flowing);
os<<serializeString(liquid_alternative_source);
writeU8(os, liquid_viscosity);
writeU8(os, liquid_renewable);
writeU8(os, light_source);
writeU32(os, damage_per_second);
node_box.serialize(os);
@ -307,6 +309,7 @@ void ContentFeatures::deSerialize(std::istream &is)
liquid_alternative_flowing = deSerializeString(is);
liquid_alternative_source = deSerializeString(is);
liquid_viscosity = readU8(is);
liquid_renewable = readU8(is);
light_source = readU8(is);
damage_per_second = readU32(is);
node_box.deSerialize(is);

2
src/nodedef.h
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@ -209,6 +209,8 @@ struct ContentFeatures
// 1 giving almost instantaneous propagation and 7 being
// the slowest possible
u8 liquid_viscosity;
// Is liquid renewable (new liquid source will be created between 2 existing)
bool liquid_renewable;
// Amount of light the node emits
u8 light_source;
u32 damage_per_second;

1
src/scriptapi.cpp
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@ -1238,6 +1238,7 @@ static ContentFeatures read_content_features(lua_State *L, int index)
// the slowest possible
f.liquid_viscosity = getintfield_default(L, index,
"liquid_viscosity", f.liquid_viscosity);
getboolfield(L, index, "liquid_renewable", f.liquid_renewable);
// Amount of light the node emits
f.light_source = getintfield_default(L, index,
"light_source", f.light_source);