forked from Mirrorlandia_minetest/minetest
switched to old transformLiquids, new one is not ready
This commit is contained in:
Perttu Ahola
parent
98be778766
commit
976ec31c1f
427
src/map.cpp
427
src/map.cpp
@ -1540,17 +1540,6 @@ void Map::PrintInfo(std::ostream &out)
|
|||||||
|
|
||||||
#define WATER_DROP_BOOST 4
|
#define WATER_DROP_BOOST 4
|
||||||
|
|
||||||
enum NeighborType {
|
|
||||||
NEIGHBOR_UPPER,
|
|
||||||
NEIGHBOR_SAME_LEVEL,
|
|
||||||
NEIGHBOR_LOWER
|
|
||||||
};
|
|
||||||
struct NodeNeighbor {
|
|
||||||
MapNode n;
|
|
||||||
NeighborType t;
|
|
||||||
v3s16 p;
|
|
||||||
};
|
|
||||||
|
|
||||||
void Map::transformLiquids(core::map<v3s16, MapBlock*> & modified_blocks)
|
void Map::transformLiquids(core::map<v3s16, MapBlock*> & modified_blocks)
|
||||||
{
|
{
|
||||||
DSTACK(__FUNCTION_NAME);
|
DSTACK(__FUNCTION_NAME);
|
||||||
@ -1571,219 +1560,239 @@ void Map::transformLiquids(core::map<v3s16, MapBlock*> & modified_blocks)
|
|||||||
|
|
||||||
MapNode n0 = getNodeNoEx(p0);
|
MapNode n0 = getNodeNoEx(p0);
|
||||||
|
|
||||||
/*
|
// Don't deal with non-liquids
|
||||||
Collect information about current node
|
if(content_liquid(n0.d) == false)
|
||||||
*/
|
|
||||||
s8 liquid_level = -1;
|
|
||||||
u8 liquid_kind = CONTENT_IGNORE;
|
|
||||||
LiquidType liquid_type = content_features(n0.d).liquid_type;
|
|
||||||
switch (liquid_type) {
|
|
||||||
case LIQUID_SOURCE:
|
|
||||||
liquid_level = 8;
|
|
||||||
liquid_kind = content_features(n0.d).liquid_alternative_flowing;
|
|
||||||
break;
|
|
||||||
case LIQUID_FLOWING:
|
|
||||||
liquid_level = (n0.param2 & LIQUID_LEVEL_MASK);
|
|
||||||
liquid_kind = n0.d;
|
|
||||||
break;
|
|
||||||
case LIQUID_NONE:
|
|
||||||
// if this is an air node, it *could* be transformed into a liquid. otherwise,
|
|
||||||
// continue with the next node.
|
|
||||||
if (n0.d != CONTENT_AIR)
|
|
||||||
continue;
|
|
||||||
liquid_kind = CONTENT_AIR;
|
|
||||||
break;
|
|
||||||
}
|
|
||||||
|
|
||||||
/*
|
|
||||||
Collect information about the environment
|
|
||||||
*/
|
|
||||||
v3s16 dirs[6] = {
|
|
||||||
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
|
|
||||||
int num_sources = 0;
|
|
||||||
NodeNeighbor flows[6]; // surrounding flowing liquid nodes
|
|
||||||
int num_flows = 0;
|
|
||||||
NodeNeighbor airs[6]; // surrounding air
|
|
||||||
int num_airs = 0;
|
|
||||||
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++) {
|
|
||||||
NeighborType nt = NEIGHBOR_SAME_LEVEL;
|
|
||||||
switch (i) {
|
|
||||||
case 0:
|
|
||||||
nt = NEIGHBOR_UPPER;
|
|
||||||
break;
|
|
||||||
case 1:
|
|
||||||
nt = NEIGHBOR_LOWER;
|
|
||||||
break;
|
|
||||||
}
|
|
||||||
v3s16 npos = p0 + dirs[i];
|
|
||||||
NodeNeighbor nb = {getNodeNoEx(npos), nt, npos};
|
|
||||||
switch (content_features(nb.n.d).liquid_type) {
|
|
||||||
case LIQUID_NONE:
|
|
||||||
if (nb.n.d == CONTENT_AIR) {
|
|
||||||
airs[num_airs++] = nb;
|
|
||||||
// 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 {
|
|
||||||
neutrals[num_neutrals++] = nb;
|
|
||||||
}
|
|
||||||
break;
|
|
||||||
case LIQUID_SOURCE:
|
|
||||||
// if this node is not (yet) of a liquid type, choose the first liquid type we encounter
|
|
||||||
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 {
|
|
||||||
sources[num_sources++] = nb;
|
|
||||||
}
|
|
||||||
break;
|
|
||||||
case LIQUID_FLOWING:
|
|
||||||
// if this node is not (yet) of a liquid type, choose the first liquid type we encounter
|
|
||||||
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 {
|
|
||||||
flows[num_flows++] = nb;
|
|
||||||
if (nb.t == NEIGHBOR_LOWER)
|
|
||||||
flowing_down = true;
|
|
||||||
}
|
|
||||||
break;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
/*
|
|
||||||
decide on the type (and possibly level) of the current node
|
|
||||||
*/
|
|
||||||
u8 new_node_content;
|
|
||||||
s8 new_node_level = -1;
|
|
||||||
if (num_sources >= 2 || 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 = content_features(liquid_kind).liquid_alternative_source;
|
|
||||||
} else if (num_sources == 1 && sources[0].t != NEIGHBOR_LOWER) {
|
|
||||||
// liquid_kind is set properly, see above
|
|
||||||
new_node_content = liquid_kind;
|
|
||||||
new_node_level = 7;
|
|
||||||
} else {
|
|
||||||
// no surrounding sources, so get the maximum level that can flow into this node
|
|
||||||
for (u16 i = 0; i < num_flows; i++) {
|
|
||||||
u8 nb_liquid_level = (flows[i].n.param2 & LIQUID_LEVEL_MASK);
|
|
||||||
switch (flows[i].t) {
|
|
||||||
case NEIGHBOR_UPPER:
|
|
||||||
if (nb_liquid_level + WATER_DROP_BOOST > new_node_level) {
|
|
||||||
new_node_level = 7;
|
|
||||||
if (nb_liquid_level + WATER_DROP_BOOST < 7)
|
|
||||||
new_node_level = nb_liquid_level + WATER_DROP_BOOST;
|
|
||||||
}
|
|
||||||
break;
|
|
||||||
case NEIGHBOR_LOWER:
|
|
||||||
break;
|
|
||||||
case NEIGHBOR_SAME_LEVEL:
|
|
||||||
if ((flows[i].n.param2 & LIQUID_FLOW_DOWN_MASK) != LIQUID_FLOW_DOWN_MASK &&
|
|
||||||
nb_liquid_level > 0 && nb_liquid_level - 1 > new_node_level) {
|
|
||||||
new_node_level = nb_liquid_level - 1;
|
|
||||||
}
|
|
||||||
break;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
// don't flow as far in open terrain - if there isn't at least one adjacent solid block,
|
|
||||||
// substract another unit from the resulting water level.
|
|
||||||
if (!flowing_down && new_node_level >= 1) {
|
|
||||||
bool at_wall = false;
|
|
||||||
for (u16 i = 0; i < num_neutrals; i++) {
|
|
||||||
if (neutrals[i].t == NEIGHBOR_SAME_LEVEL) {
|
|
||||||
at_wall = true;
|
|
||||||
break;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
if (!at_wall)
|
|
||||||
new_node_level -= 1;
|
|
||||||
}
|
|
||||||
|
|
||||||
if (new_node_level >= 0)
|
|
||||||
new_node_content = liquid_kind;
|
|
||||||
else
|
|
||||||
new_node_content = CONTENT_AIR;
|
|
||||||
}
|
|
||||||
|
|
||||||
/*
|
|
||||||
check if anything has changed. if not, just continue with the next node.
|
|
||||||
*/
|
|
||||||
if (new_node_content == n0.d && (content_features(n0.d).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)))
|
|
||||||
continue;
|
continue;
|
||||||
|
|
||||||
|
bool is_source = !content_flowing_liquid(n0.d);
|
||||||
|
|
||||||
|
u8 liquid_level = 8;
|
||||||
|
if(is_source == false)
|
||||||
|
liquid_level = n0.param2 & 0x0f;
|
||||||
|
|
||||||
|
// Turn possible source into non-source
|
||||||
|
u8 nonsource_c = make_liquid_flowing(n0.d);
|
||||||
|
|
||||||
/*
|
/*
|
||||||
update the current node
|
If not source, check that some node flows into this one
|
||||||
*/
|
and what is the level of liquid in this one
|
||||||
bool flow_down_enabled = (flowing_down && ((n0.param2 & LIQUID_FLOW_DOWN_MASK) != LIQUID_FLOW_DOWN_MASK));
|
*/
|
||||||
n0.d = new_node_content;
|
if(is_source == false)
|
||||||
if (content_features(n0.d).liquid_type == LIQUID_FLOWING) {
|
{
|
||||||
// set level to last 3 bits, flowing down bit to 4th bit
|
s8 new_liquid_level_max = -1;
|
||||||
n0.param2 = (flowing_down ? LIQUID_FLOW_DOWN_MASK : 0x00) | (new_node_level & LIQUID_LEVEL_MASK);
|
|
||||||
} else {
|
v3s16 dirs_from[5] = {
|
||||||
n0.param2 = 0;
|
v3s16(0,1,0), // top
|
||||||
|
v3s16(0,0,1), // back
|
||||||
|
v3s16(1,0,0), // right
|
||||||
|
v3s16(0,0,-1), // front
|
||||||
|
v3s16(-1,0,0), // left
|
||||||
|
};
|
||||||
|
for(u16 i=0; i<5; i++)
|
||||||
|
{
|
||||||
|
bool from_top = (i==0);
|
||||||
|
|
||||||
|
v3s16 p2 = p0 + dirs_from[i];
|
||||||
|
MapNode n2 = getNodeNoEx(p2);
|
||||||
|
|
||||||
|
if(content_liquid(n2.d))
|
||||||
|
{
|
||||||
|
u8 n2_nonsource_c = make_liquid_flowing(n2.d);
|
||||||
|
// Check that the liquids are the same type
|
||||||
|
if(n2_nonsource_c != nonsource_c)
|
||||||
|
{
|
||||||
|
dstream<<"WARNING: Not handling: different liquids"
|
||||||
|
" collide"<<std::endl;
|
||||||
|
continue;
|
||||||
|
}
|
||||||
|
bool n2_is_source = !content_flowing_liquid(n2.d);
|
||||||
|
s8 n2_liquid_level = 8;
|
||||||
|
if(n2_is_source == false)
|
||||||
|
n2_liquid_level = n2.param2 & 0x07;
|
||||||
|
|
||||||
|
s8 new_liquid_level = -1;
|
||||||
|
if(from_top)
|
||||||
|
{
|
||||||
|
//new_liquid_level = 7;
|
||||||
|
if(n2_liquid_level >= 7 - WATER_DROP_BOOST)
|
||||||
|
new_liquid_level = 7;
|
||||||
|
else
|
||||||
|
new_liquid_level = n2_liquid_level + WATER_DROP_BOOST;
|
||||||
|
}
|
||||||
|
else if(n2_liquid_level > 0)
|
||||||
|
{
|
||||||
|
new_liquid_level = n2_liquid_level - 1;
|
||||||
|
}
|
||||||
|
|
||||||
|
if(new_liquid_level > new_liquid_level_max)
|
||||||
|
new_liquid_level_max = new_liquid_level;
|
||||||
|
}
|
||||||
|
} //for
|
||||||
|
|
||||||
|
/*
|
||||||
|
If liquid level should be something else, update it and
|
||||||
|
add all the neighboring water nodes to the transform queue.
|
||||||
|
*/
|
||||||
|
if(new_liquid_level_max != liquid_level)
|
||||||
|
{
|
||||||
|
if(new_liquid_level_max == -1)
|
||||||
|
{
|
||||||
|
// Remove water alltoghether
|
||||||
|
n0.d = CONTENT_AIR;
|
||||||
|
n0.param2 = 0;
|
||||||
|
setNode(p0, n0);
|
||||||
|
}
|
||||||
|
else
|
||||||
|
{
|
||||||
|
n0.param2 = new_liquid_level_max;
|
||||||
|
setNode(p0, n0);
|
||||||
|
}
|
||||||
|
|
||||||
|
// Block has been modified
|
||||||
|
{
|
||||||
|
v3s16 blockpos = getNodeBlockPos(p0);
|
||||||
|
MapBlock *block = getBlockNoCreateNoEx(blockpos);
|
||||||
|
if(block != NULL)
|
||||||
|
modified_blocks.insert(blockpos, block);
|
||||||
|
}
|
||||||
|
|
||||||
|
/*
|
||||||
|
Add neighboring non-source liquid nodes to transform queue.
|
||||||
|
*/
|
||||||
|
v3s16 dirs[6] = {
|
||||||
|
v3s16(0,0,1), // back
|
||||||
|
v3s16(0,1,0), // top
|
||||||
|
v3s16(1,0,0), // right
|
||||||
|
v3s16(0,0,-1), // front
|
||||||
|
v3s16(0,-1,0), // bottom
|
||||||
|
v3s16(-1,0,0), // left
|
||||||
|
};
|
||||||
|
for(u16 i=0; i<6; i++)
|
||||||
|
{
|
||||||
|
v3s16 p2 = p0 + dirs[i];
|
||||||
|
|
||||||
|
MapNode n2 = getNodeNoEx(p2);
|
||||||
|
if(content_flowing_liquid(n2.d))
|
||||||
|
{
|
||||||
|
m_transforming_liquid.push_back(p2);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
}
|
}
|
||||||
setNode(p0, n0);
|
|
||||||
v3s16 blockpos = getNodeBlockPos(p0);
|
// Get a new one from queue if the node has turned into non-water
|
||||||
MapBlock *block = getBlockNoCreateNoEx(blockpos);
|
if(content_liquid(n0.d) == false)
|
||||||
if(block != NULL)
|
continue;
|
||||||
modified_blocks.insert(blockpos, block);
|
|
||||||
|
|
||||||
/*
|
/*
|
||||||
enqueue neighbors for update if neccessary
|
Flow water from this node
|
||||||
*/
|
*/
|
||||||
switch (content_features(n0.d).liquid_type) {
|
v3s16 dirs_to[5] = {
|
||||||
case LIQUID_SOURCE:
|
v3s16(0,-1,0), // bottom
|
||||||
// make sure source flows into all neighboring nodes
|
v3s16(0,0,1), // back
|
||||||
for (u16 i = 0; i < num_flows; i++)
|
v3s16(1,0,0), // right
|
||||||
if (flows[i].t != NEIGHBOR_UPPER)
|
v3s16(0,0,-1), // front
|
||||||
m_transforming_liquid.push_back(flows[i].p);
|
v3s16(-1,0,0), // left
|
||||||
for (u16 i = 0; i < num_airs; i++)
|
};
|
||||||
if (airs[i].t != NEIGHBOR_UPPER)
|
for(u16 i=0; i<5; i++)
|
||||||
m_transforming_liquid.push_back(airs[i].p);
|
{
|
||||||
break;
|
bool to_bottom = (i == 0);
|
||||||
case LIQUID_NONE:
|
|
||||||
// this flow has turned to air; neighboring flows might need to do the same
|
// If liquid is at lowest possible height, it's not going
|
||||||
for (u16 i = 0; i < num_flows; i++)
|
// anywhere except down
|
||||||
m_transforming_liquid.push_back(flows[i].p);
|
if(liquid_level == 0 && to_bottom == false)
|
||||||
break;
|
continue;
|
||||||
case LIQUID_FLOWING:
|
|
||||||
for (u16 i = 0; i < num_flows; i++) {
|
u8 liquid_next_level = 0;
|
||||||
u8 flow_level = (flows[i].n.param2 & LIQUID_LEVEL_MASK);
|
// If going to bottom
|
||||||
// liquid_level is still the ORIGINAL level of this node.
|
if(to_bottom)
|
||||||
if (flows[i].t != NEIGHBOR_UPPER && ((flow_level < liquid_level || flow_level < new_node_level) ||
|
{
|
||||||
flow_down_enabled))
|
//liquid_next_level = 7;
|
||||||
m_transforming_liquid.push_back(flows[i].p);
|
if(liquid_level >= 7 - WATER_DROP_BOOST)
|
||||||
|
liquid_next_level = 7;
|
||||||
|
else
|
||||||
|
liquid_next_level = liquid_level + WATER_DROP_BOOST;
|
||||||
|
}
|
||||||
|
else
|
||||||
|
liquid_next_level = liquid_level - 1;
|
||||||
|
|
||||||
|
bool n2_changed = false;
|
||||||
|
bool flowed = false;
|
||||||
|
|
||||||
|
v3s16 p2 = p0 + dirs_to[i];
|
||||||
|
|
||||||
|
MapNode n2 = getNodeNoEx(p2);
|
||||||
|
//dstream<<"[1] n2.param="<<(int)n2.param<<std::endl;
|
||||||
|
|
||||||
|
if(content_liquid(n2.d))
|
||||||
|
{
|
||||||
|
u8 n2_nonsource_c = make_liquid_flowing(n2.d);
|
||||||
|
// Check that the liquids are the same type
|
||||||
|
if(n2_nonsource_c != nonsource_c)
|
||||||
|
{
|
||||||
|
dstream<<"WARNING: Not handling: different liquids"
|
||||||
|
" collide"<<std::endl;
|
||||||
|
continue;
|
||||||
}
|
}
|
||||||
for (u16 i = 0; i < num_airs; i++) {
|
bool n2_is_source = !content_flowing_liquid(n2.d);
|
||||||
if (airs[i].t != NEIGHBOR_UPPER && (airs[i].t == NEIGHBOR_LOWER || new_node_level > 0))
|
u8 n2_liquid_level = 8;
|
||||||
m_transforming_liquid.push_back(airs[i].p);
|
if(n2_is_source == false)
|
||||||
|
n2_liquid_level = n2.param2 & 0x07;
|
||||||
|
|
||||||
|
if(to_bottom)
|
||||||
|
{
|
||||||
|
flowed = true;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
if(n2_is_source)
|
||||||
|
{
|
||||||
|
// Just flow into the source, nothing changes.
|
||||||
|
// n2_changed is not set because destination didn't change
|
||||||
|
flowed = true;
|
||||||
|
}
|
||||||
|
else
|
||||||
|
{
|
||||||
|
if(liquid_next_level > liquid_level)
|
||||||
|
{
|
||||||
|
n2.param2 = liquid_next_level;
|
||||||
|
setNode(p2, n2);
|
||||||
|
|
||||||
|
n2_changed = true;
|
||||||
|
flowed = true;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
else if(n2.d == CONTENT_AIR)
|
||||||
|
{
|
||||||
|
n2.d = nonsource_c;
|
||||||
|
n2.param2 = liquid_next_level;
|
||||||
|
setNode(p2, n2);
|
||||||
|
|
||||||
|
n2_changed = true;
|
||||||
|
flowed = true;
|
||||||
|
}
|
||||||
|
|
||||||
|
//dstream<<"[2] n2.param="<<(int)n2.param<<std::endl;
|
||||||
|
|
||||||
|
if(n2_changed)
|
||||||
|
{
|
||||||
|
m_transforming_liquid.push_back(p2);
|
||||||
|
|
||||||
|
v3s16 blockpos = getNodeBlockPos(p2);
|
||||||
|
MapBlock *block = getBlockNoCreateNoEx(blockpos);
|
||||||
|
if(block != NULL)
|
||||||
|
modified_blocks.insert(blockpos, block);
|
||||||
|
}
|
||||||
|
|
||||||
|
// If n2_changed to bottom, don't flow anywhere else
|
||||||
|
if(to_bottom && flowed && !is_source)
|
||||||
break;
|
break;
|
||||||
}
|
}
|
||||||
|
|
||||||
loopcount++;
|
loopcount++;
|
||||||
//if(loopcount >= 100000)
|
//if(loopcount >= 100000)
|
||||||
if(loopcount >= initial_size * 10) {
|
if(loopcount >= initial_size * 1)
|
||||||
break;
|
break;
|
||||||
}
|
|
||||||
}
|
}
|
||||||
//dstream<<"Map::transformLiquids(): loopcount="<<loopcount<<std::endl;
|
//dstream<<"Map::transformLiquids(): loopcount="<<loopcount<<std::endl;
|
||||||
}
|
}
|
||||||
|
|||||||
Loading…
Reference in New Issue
Block a user