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working nicely

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This commit is contained in:
Perttu Ahola 2010-12-13 03:19:12 +02:00
parent 47a593b519
commit 571fb14f94
20 changed files with 938 additions and 396 deletions
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73
src/voxel.cpp
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@ -41,6 +41,7 @@ VoxelManipulator::VoxelManipulator():
m_data(NULL),
m_flags(NULL)
{
m_disable_water_climb = false;
}
VoxelManipulator::~VoxelManipulator()
@ -103,13 +104,13 @@ void VoxelManipulator::print(std::ostream &o, VoxelPrintMode mode)
}
else if(mode == VOXELPRINT_WATERPRESSURE)
{
if(m == MATERIAL_WATER)
if(m == CONTENT_WATER)
{
c = 'w';
if(pr <= 9)
c = pr + '0';
}
else if(m == MATERIAL_AIR)
else if(liquid_replaces_content(m))
{
c = ' ';
}
@ -249,7 +250,7 @@ void VoxelManipulator::interpolate(VoxelArea area)
s16 total = 0;
s16 airness = 0;
u8 m = MATERIAL_IGNORE;
u8 m = CONTENT_IGNORE;
for(s16 i=0; i<8; i++)
//for(s16 i=0; i<26; i++)
@ -263,17 +264,17 @@ void VoxelManipulator::interpolate(VoxelArea area)
MapNode &n = m_data[m_area.index(p2)];
airness += (n.d == MATERIAL_AIR) ? 1 : -1;
airness += (n.d == CONTENT_AIR) ? 1 : -1;
total++;
if(m == MATERIAL_IGNORE && n.d != MATERIAL_AIR)
if(m == CONTENT_IGNORE && n.d != CONTENT_AIR)
m = n.d;
}
// 1 if air, 0 if not
buf[area.index(p)] = airness > -total/2 ? MATERIAL_AIR : m;
//buf[area.index(p)] = airness > -total ? MATERIAL_AIR : m;
//buf[area.index(p)] = airness >= -7 ? MATERIAL_AIR : m;
buf[area.index(p)] = airness > -total/2 ? CONTENT_AIR : m;
//buf[area.index(p)] = airness > -total ? CONTENT_AIR : m;
//buf[area.index(p)] = airness >= -7 ? CONTENT_AIR : m;
}
for(s32 z=area.MinEdge.Z; z<=area.MaxEdge.Z; z++)
@ -366,13 +367,14 @@ int VoxelManipulator::getWaterPressure(v3s16 p, s16 &highest_y, int recur_count)
continue;
MapNode &n = m_data[m_area.index(p2)];
// Ignore non-liquid nodes
if(material_liquid(n.d) == false)
if(content_liquid(n.d) == false)
continue;
int pr;
// If at ocean surface
if(n.pressure == 1 && n.d == MATERIAL_OCEAN)
if(n.pressure == 1 && n.d == CONTENT_OCEAN)
//if(n.pressure == 1) // Causes glitches but is fast
{
pr = 1;
}
@ -463,12 +465,15 @@ void VoxelManipulator::spreadWaterPressure(v3s16 p, int pr,
NOTE: Do not remove anything from there. We cannot know
here if some other neighbor of it causes flow.
*/
if(n.d == MATERIAL_AIR)
if(liquid_replaces_content(n.d))
{
bool pressure_causes_flow = false;
// If block is at top
// If empty block is at top
if(i == 0)
{
if(m_disable_water_climb)
continue;
//if(pr >= PRESERVE_WATER_VOLUME ? 3 : 2)
if(pr >= 3)
pressure_causes_flow = true;
@ -495,7 +500,7 @@ void VoxelManipulator::spreadWaterPressure(v3s16 p, int pr,
}
// Ignore non-liquid nodes
if(material_liquid(n.d) == false)
if(content_liquid(n.d) == false)
continue;
int pr2 = pr;
@ -511,6 +516,12 @@ void VoxelManipulator::spreadWaterPressure(v3s16 p, int pr,
if(pr2 < 255)
pr2++;
}
/*if(m_disable_water_climb)
{
if(pr2 > 3)
pr2 = 3;
}*/
// Ignore if correct pressure is already set and is not on
// request_area.
@ -556,7 +567,7 @@ void VoxelManipulator::updateAreaWaterPressure(VoxelArea a,
continue;
MapNode &n = m_data[m_area.index(p)];
// Ignore non-liquid nodes
if(material_liquid(n.d) == false)
if(content_liquid(n.d) == false)
continue;
if(checked2_clear == false)
@ -654,14 +665,18 @@ bool VoxelManipulator::flowWater(v3s16 removed_pos,
if(f & (VOXELFLAG_INEXISTENT | VOXELFLAG_CHECKED))
return false;
MapNode &n = m_data[m_area.index(removed_pos)];
// Water can move only to air
if(n.d != MATERIAL_AIR)
// Ignore nodes to which the water can't go
if(liquid_replaces_content(n.d) == false)
return false;
}
s32 i;
for(i=0; i<6; i++)
{
// Don't raise water from bottom
if(m_disable_water_climb && i == 5)
continue;
p = removed_pos + v3s16(s1*dirs[i].X, dirs[i].Y, s2*dirs[i].Z);
u8 f = m_flags[m_area.index(p)];
@ -670,7 +685,7 @@ bool VoxelManipulator::flowWater(v3s16 removed_pos,
continue;
MapNode &n = m_data[m_area.index(p)];
// Only liquid nodes can move
if(material_liquid(n.d) == false)
if(content_liquid(n.d) == false)
continue;
// If block is at top, select it always
if(i == 0)
@ -704,7 +719,7 @@ bool VoxelManipulator::flowWater(v3s16 removed_pos,
u8 m = m_data[m_area.index(p)].d;
u8 f = m_flags[m_area.index(p)];
if(m == MATERIAL_OCEAN)
if(m == CONTENT_OCEAN)
from_ocean = true;
// Move air bubble if not taking water from ocean
@ -714,9 +729,23 @@ bool VoxelManipulator::flowWater(v3s16 removed_pos,
m_flags[m_area.index(p)] = m_flags[m_area.index(removed_pos)];
}
/*
This has to be done to copy the brightness of a light source
correctly. Otherwise unspreadLight will fuck up when water
has replaced a light source.
*/
u8 light = m_data[m_area.index(removed_pos)].getLight();
m_data[m_area.index(removed_pos)].d = m;
m_flags[m_area.index(removed_pos)] = f;
m_data[m_area.index(removed_pos)].setLight(light);
/*// NOTE: HACK: This has to be set to LIGHT_MAX so that
// unspreadLight will clear all light that came from this node.
// Otherwise there will be weird bugs
m_data[m_area.index(removed_pos)].setLight(LIGHT_MAX);*/
// Mark removed_pos checked
m_flags[m_area.index(removed_pos)] |= VOXELFLAG_CHECKED;
@ -728,7 +757,7 @@ bool VoxelManipulator::flowWater(v3s16 removed_pos,
/*
NOTE: This does not work as-is
if(m == MATERIAL_OCEAN)
if(m == CONTENT_OCEAN)
{
// If block was raised to surface, increase pressure of
// source node
@ -795,6 +824,10 @@ find_again:
// They are checked in reverse order compared to the previous loop.
for(s32 i=5; i>=0; i--)
{
// Don't try to flow to top
if(m_disable_water_climb && i == 0)
continue;
//v3s16 p = removed_pos + dirs[i];
p = removed_pos + v3s16(s1*dirs[i].X, dirs[i].Y, s2*dirs[i].Z);
@ -804,7 +837,7 @@ find_again:
continue;
MapNode &n = m_data[m_area.index(p)];
// Water can only move to air
if(n.d != MATERIAL_AIR)
if(liquid_replaces_content(n.d) == false)
continue;
// Flow water to node