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commit before some radicallish changes to water behavior
This commit is contained in:
Perttu Ahola
parent
5e0c284f3a
commit
2a0d1a059e
15 changed files with 1436 additions and 182 deletions
818
src/voxel.cpp
818
src/voxel.cpp
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@ -20,6 +20,23 @@ with this program; if not, write to the Free Software Foundation, Inc.,
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#include "voxel.h"
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#include "map.h"
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// For TimeTaker
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#include "main.h"
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#include "utility.h"
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/*
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Debug stuff
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*/
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u32 addarea_time = 0;
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u32 emerge_time = 0;
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u32 emerge_load_time = 0;
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u32 clearflag_time = 0;
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//u32 getwaterpressure_time = 0;
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//u32 spreadwaterpressure_time = 0;
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u32 updateareawaterpressure_time = 0;
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u32 flowwater_pre_time = 0;
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VoxelManipulator::VoxelManipulator():
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m_data(NULL),
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m_flags(NULL)
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@ -47,7 +64,7 @@ void VoxelManipulator::clear()
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m_flags = NULL;
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}
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void VoxelManipulator::print(std::ostream &o)
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void VoxelManipulator::print(std::ostream &o, VoxelPrintMode mode)
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{
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v3s16 em = m_area.getExtent();
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v3s16 of = m_area.MinEdge;
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@ -78,8 +95,29 @@ void VoxelManipulator::print(std::ostream &o)
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{
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c = 'X';
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u8 m = m_data[m_area.index(x,y,z)].d;
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if(m <= 9)
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c = m + '0';
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u8 pr = m_data[m_area.index(x,y,z)].pressure;
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if(mode == VOXELPRINT_MATERIAL)
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{
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if(m <= 9)
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c = m + '0';
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}
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else if(mode == VOXELPRINT_WATERPRESSURE)
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{
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if(m == MATERIAL_WATER)
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{
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c = 'w';
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if(pr <= 9)
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c = pr + '0';
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}
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else if(m == MATERIAL_AIR)
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{
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c = ' ';
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}
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else
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{
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c = '#';
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}
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}
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}
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o<<c;
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}
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@ -99,6 +137,8 @@ void VoxelManipulator::addArea(VoxelArea area)
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if(m_area.contains(area))
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return;
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TimeTaker timer("addArea", g_device, &addarea_time);
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// Calculate new area
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VoxelArea new_area;
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// New area is the requested area if m_area has zero volume
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@ -163,6 +203,21 @@ void VoxelManipulator::addArea(VoxelArea area)
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delete[] old_data;
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if(old_flags)
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delete[] old_flags;
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//dstream<<"addArea done"<<std::endl;
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}
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void VoxelManipulator::copyFrom(MapNode *src, VoxelArea src_area,
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v3s16 from_pos, v3s16 to_pos, v3s16 size)
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{
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for(s16 z=0; z<size.Z; z++)
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for(s16 y=0; y<size.Y; y++)
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{
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s32 i_src = src_area.index(from_pos.X, from_pos.Y+y, from_pos.Z+z);
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s32 i_local = m_area.index(to_pos.X, to_pos.Y+y, to_pos.Z+z);
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memcpy(&m_data[i_local], &src[i_src], size.X*sizeof(MapNode));
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memset(&m_flags[i_local], 0, size.X);
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}
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}
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void VoxelManipulator::interpolate(VoxelArea area)
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@ -230,7 +285,318 @@ void VoxelManipulator::interpolate(VoxelArea area)
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}
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}
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void VoxelManipulator::flowWater(v3s16 removed_pos)
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void VoxelManipulator::clearFlag(u8 flags)
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{
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// 0-1ms on moderate area
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TimeTaker timer("clearFlag", g_device, &clearflag_time);
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v3s16 s = m_area.getExtent();
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/*dstream<<"clearFlag clearing area of size "
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<<""<<s.X<<"x"<<s.Y<<"x"<<s.Z<<""
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<<std::endl;*/
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//s32 count = 0;
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/*for(s32 z=m_area.MinEdge.Z; z<=m_area.MaxEdge.Z; z++)
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for(s32 y=m_area.MinEdge.Y; y<=m_area.MaxEdge.Y; y++)
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for(s32 x=m_area.MinEdge.X; x<=m_area.MaxEdge.X; x++)
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{
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u8 f = m_flags[m_area.index(x,y,z)];
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m_flags[m_area.index(x,y,z)] &= ~flags;
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if(m_flags[m_area.index(x,y,z)] != f)
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count++;
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}*/
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s32 volume = m_area.getVolume();
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for(s32 i=0; i<volume; i++)
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{
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m_flags[i] &= ~flags;
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}
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/*s32 volume = m_area.getVolume();
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for(s32 i=0; i<volume; i++)
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{
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u8 f = m_flags[i];
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m_flags[i] &= ~flags;
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if(m_flags[i] != f)
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count++;
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}
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dstream<<"clearFlag changed "<<count<<" flags out of "
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<<volume<<" nodes"<<std::endl;*/
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}
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int VoxelManipulator::getWaterPressure(v3s16 p, s16 &highest_y, int recur_count)
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{
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m_flags[m_area.index(p)] |= VOXELFLAG_CHECKED2;
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if(p.Y > highest_y)
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highest_y = p.Y;
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recur_count++;
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if(recur_count > 30)
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throw ProcessingLimitException
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("getWaterPressure recur_count limit reached");
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v3s16 dirs[6] = {
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v3s16(0,1,0), // top
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v3s16(-1,0,0), // left
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v3s16(1,0,0), // right
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v3s16(0,0,-1), // front
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v3s16(0,0,1), // back
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v3s16(0,-1,0), // bottom
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};
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// Load neighboring nodes
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// TODO: A bigger area would be better
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emerge(VoxelArea(p - v3s16(1,1,1), p + v3s16(1,1,1)));
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s32 i;
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for(i=0; i<6; i++)
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{
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v3s16 p2 = p + dirs[i];
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u8 f = m_flags[m_area.index(p2)];
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// Ignore inexistent or checked nodes
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if(f & (VOXELFLAG_INEXISTENT | VOXELFLAG_CHECKED2))
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continue;
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MapNode &n = m_data[m_area.index(p2)];
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// Ignore non-liquid nodes
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if(material_liquid(n.d) == false)
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continue;
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int pr;
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// If at surface
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/*if(n.pressure == 1)
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{
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pr = 1;
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}
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// Otherwise recurse more
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else*/
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{
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pr = getWaterPressure(p2, highest_y, recur_count);
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if(pr == -1)
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continue;
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}
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// If block is at top, pressure here is one higher
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if(i == 0)
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{
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if(pr < 255)
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pr++;
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}
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// If block is at bottom, pressure here is one lower
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else if(i == 5)
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{
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if(pr > 1)
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pr--;
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}
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// Node is on the pressure route
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m_flags[m_area.index(p)] |= VOXELFLAG_CHECKED4;
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// Got pressure
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return pr;
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}
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// Nothing useful found
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return -1;
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}
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void VoxelManipulator::spreadWaterPressure(v3s16 p, int pr,
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VoxelArea request_area,
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core::map<v3s16, u8> &active_nodes,
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int recur_count)
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{
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recur_count++;
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if(recur_count > 10000)
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throw ProcessingLimitException
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("spreadWaterPressure recur_count limit reached");
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m_flags[m_area.index(p)] |= VOXELFLAG_CHECKED3;
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m_data[m_area.index(p)].pressure = pr;
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v3s16 dirs[6] = {
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v3s16(0,1,0), // top
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v3s16(-1,0,0), // left
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v3s16(1,0,0), // right
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v3s16(0,0,-1), // front
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v3s16(0,0,1), // back
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v3s16(0,-1,0), // bottom
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};
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// Load neighboring nodes
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emerge(VoxelArea(p - v3s16(1,1,1), p + v3s16(1,1,1)));
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s32 i;
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for(i=0; i<6; i++)
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{
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v3s16 p2 = p + dirs[i];
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u8 f = m_flags[m_area.index(p2)];
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// Ignore inexistent and checked nodes
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if(f & (VOXELFLAG_INEXISTENT | VOXELFLAG_CHECKED3))
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continue;
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MapNode &n = m_data[m_area.index(p2)];
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/*
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If material is air:
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add to active_nodes if there is flow-causing pressure.
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NOTE: Do not remove anything from there. We cannot know
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here if some other neighbor of it causes flow.
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*/
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if(n.d == MATERIAL_AIR)
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{
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bool pressure_causes_flow = false;
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// If block is at top
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if(i == 0)
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{
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if(pr >= 3)
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pressure_causes_flow = true;
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}
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// If block is at bottom
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else if(i == 5)
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{
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pressure_causes_flow = true;
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}
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// If block is at side
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else
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{
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if(pr >= 2)
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pressure_causes_flow = true;
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}
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if(pressure_causes_flow)
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{
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active_nodes[p2] = 1;
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}
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continue;
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}
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// Ignore non-liquid nodes
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if(material_liquid(n.d) == false)
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continue;
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int pr2 = pr;
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// If block is at top, pressure there is lower
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if(i == 0)
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{
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if(pr2 > 0)
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pr2--;
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}
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// If block is at bottom, pressure there is higher
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else if(i == 5)
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{
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if(pr2 < 255)
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pr2++;
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}
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// Ignore if correct pressure is already set and is not on
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// request_area
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if(n.pressure == pr2 && request_area.contains(p2) == false)
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continue;
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spreadWaterPressure(p2, pr2, request_area, active_nodes, recur_count);
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}
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}
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void VoxelManipulator::updateAreaWaterPressure(VoxelArea a,
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core::map<v3s16, u8> &active_nodes,
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bool checked3_is_clear)
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{
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TimeTaker timer("updateAreaWaterPressure", g_device,
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&updateareawaterpressure_time);
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emerge(a);
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bool checked2_clear = false;
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if(checked3_is_clear == false)
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{
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//clearFlag(VOXELFLAG_CHECKED3);
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clearFlag(VOXELFLAG_CHECKED3 | VOXELFLAG_CHECKED2);
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checked2_clear = true;
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}
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for(s32 z=a.MinEdge.Z; z<=a.MaxEdge.Z; z++)
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for(s32 y=a.MinEdge.Y; y<=a.MaxEdge.Y; y++)
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for(s32 x=a.MinEdge.X; x<=a.MaxEdge.X; x++)
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{
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v3s16 p(x,y,z);
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u8 f = m_flags[m_area.index(p)];
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// Ignore inexistent or checked nodes
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if(f & (VOXELFLAG_INEXISTENT | VOXELFLAG_CHECKED3))
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continue;
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MapNode &n = m_data[m_area.index(p)];
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// Ignore non-liquid nodes
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if(material_liquid(n.d) == false)
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continue;
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if(checked2_clear == false)
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{
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clearFlag(VOXELFLAG_CHECKED2);
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checked2_clear = true;
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}
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checked2_clear = false;
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s16 highest_y = -32768;
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int recur_count = 0;
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int pr = -1;
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try
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{
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// 0-1ms @ recur_count <= 100
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//TimeTaker timer("getWaterPressure", g_device);
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pr = getWaterPressure(p, highest_y, recur_count);
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}
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catch(ProcessingLimitException &e)
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{
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//dstream<<"getWaterPressure ProcessingLimitException"<<std::endl;
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}
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if(pr == -1)
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{
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assert(highest_y != -32768);
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pr = highest_y - p.Y + 1;
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if(pr > 255)
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pr = 255;
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/*dstream<<"WARNING: Pressure at ("
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<<p.X<<","<<p.Y<<","<<p.Z<<")"
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<<" = "<<pr
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//<<" and highest_y == -32768"
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<<std::endl;
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assert(highest_y != -32768);
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continue;*/
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}
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try
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{
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// 0ms
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//TimeTaker timer("spreadWaterPressure", g_device);
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spreadWaterPressure(p, pr, a, active_nodes, 0);
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}
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catch(ProcessingLimitException &e)
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{
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//dstream<<"getWaterPressure ProcessingLimitException"<<std::endl;
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}
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}
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}
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bool VoxelManipulator::flowWater(v3s16 removed_pos,
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core::map<v3s16, u8> &active_nodes,
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int recursion_depth, bool debugprint,
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int *counter, int counterlimit)
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{
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v3s16 dirs[6] = {
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v3s16(0,1,0), // top
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@ -241,16 +607,43 @@ void VoxelManipulator::flowWater(v3s16 removed_pos)
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v3s16(0,-1,0), // bottom
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};
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recursion_depth++;
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v3s16 p;
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// Randomize horizontal order
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static s32 cs = 0;
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if(cs < 3)
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cs++;
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else
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cs = 0;
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s16 s1 = (cs & 1) ? 1 : -1;
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s16 s2 = (cs & 2) ? 1 : -1;
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//dstream<<"s1="<<s1<<", s2="<<s2<<std::endl;
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{
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TimeTaker timer1("flowWater pre", g_device, &flowwater_pre_time);
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// Load neighboring nodes
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// TODO: A bigger area would be better
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emerge(VoxelArea(removed_pos - v3s16(1,1,1), removed_pos + v3s16(1,1,1)));
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// Ignore incorrect removed_pos
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{
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u8 f = m_flags[m_area.index(removed_pos)];
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// Ignore inexistent or checked node
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if(f & (VOXELFLAG_INEXISTENT | VOXELFLAG_CHECKED))
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return false;
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MapNode &n = m_data[m_area.index(removed_pos)];
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// Water can move only to air
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if(n.d != MATERIAL_AIR)
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return false;
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}
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s32 i;
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for(i=0; i<6; i++)
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{
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p = removed_pos + dirs[i];
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p = removed_pos + v3s16(s1*dirs[i].X, dirs[i].Y, s2*dirs[i].Z);
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u8 f = m_flags[m_area.index(p)];
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// Inexistent or checked nodes can't move
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if(f & (VOXELFLAG_INEXISTENT | VOXELFLAG_CHECKED))
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@ -280,30 +673,66 @@ void VoxelManipulator::flowWater(v3s16 removed_pos)
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// If there is nothing to move, return
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if(i==6)
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return;
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return false;
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// Switch nodes at p and removed_pos
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MapNode n = m_data[m_area.index(p)];
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u8 m = m_data[m_area.index(p)].d;
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u8 f = m_flags[m_area.index(p)];
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m_data[m_area.index(p)] = m_data[m_area.index(removed_pos)];
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m_data[m_area.index(p)].d = m_data[m_area.index(removed_pos)].d;
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m_flags[m_area.index(p)] = m_flags[m_area.index(removed_pos)];
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m_data[m_area.index(removed_pos)] = n;
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m_data[m_area.index(removed_pos)].d = m;
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m_flags[m_area.index(removed_pos)] = f;
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// Mark p checked
|
||||
m_flags[m_area.index(p)] |= VOXELFLAG_CHECKED;
|
||||
// Mark removed_pos checked
|
||||
m_flags[m_area.index(removed_pos)] |= VOXELFLAG_CHECKED;
|
||||
// If block was dropped from surface, increase pressure
|
||||
if(i == 0 && m_data[m_area.index(removed_pos)].pressure == 1)
|
||||
{
|
||||
m_data[m_area.index(removed_pos)].pressure = 2;
|
||||
}
|
||||
|
||||
/*if(debugprint)
|
||||
{
|
||||
dstream<<"VoxelManipulator::flowWater(): Moved bubble:"<<std::endl;
|
||||
print(dstream, VOXELPRINT_WATERPRESSURE);
|
||||
}*/
|
||||
|
||||
// Update pressure
|
||||
//TODO
|
||||
VoxelArea a;
|
||||
a.addPoint(p - v3s16(1,1,1));
|
||||
a.addPoint(p + v3s16(1,1,1));
|
||||
a.addPoint(removed_pos - v3s16(1,1,1));
|
||||
a.addPoint(removed_pos + v3s16(1,1,1));
|
||||
updateAreaWaterPressure(a, active_nodes);
|
||||
|
||||
/*if(debugprint)
|
||||
{
|
||||
dstream<<"VoxelManipulator::flowWater(): Pressure updated:"<<std::endl;
|
||||
print(dstream, VOXELPRINT_WATERPRESSURE);
|
||||
//std::cin.get();
|
||||
}*/
|
||||
|
||||
if(debugprint)
|
||||
{
|
||||
dstream<<"VoxelManipulator::flowWater(): step done:"<<std::endl;
|
||||
print(dstream, VOXELPRINT_WATERPRESSURE);
|
||||
//std::cin.get();
|
||||
}
|
||||
|
||||
}//timer1
|
||||
|
||||
// Flow water to the newly created empty position
|
||||
flowWater(p);
|
||||
flowWater(p, active_nodes, recursion_depth,
|
||||
debugprint, counter, counterlimit);
|
||||
|
||||
find_again:
|
||||
// Try flowing water to empty positions around removed_pos.
|
||||
// They are checked in reverse order compared to the previous loop.
|
||||
for(i=5; i>=0; i--)
|
||||
for(s32 i=5; i>=0; i--)
|
||||
{
|
||||
p = removed_pos + dirs[i];
|
||||
//v3s16 p = removed_pos + dirs[i];
|
||||
p = removed_pos + v3s16(s1*dirs[i].X, dirs[i].Y, s2*dirs[i].Z);
|
||||
|
||||
u8 f = m_flags[m_area.index(p)];
|
||||
// Water can't move to inexistent nodes
|
||||
if(f & VOXELFLAG_INEXISTENT)
|
||||
|
|
@ -312,102 +741,291 @@ void VoxelManipulator::flowWater(v3s16 removed_pos)
|
|||
// Water can only move to air
|
||||
if(n.d != MATERIAL_AIR)
|
||||
continue;
|
||||
flowWater(p);
|
||||
}
|
||||
}
|
||||
|
||||
/*
|
||||
MapVoxelManipulator
|
||||
*/
|
||||
|
||||
MapVoxelManipulator::MapVoxelManipulator(Map *map)
|
||||
{
|
||||
m_map = map;
|
||||
}
|
||||
|
||||
void MapVoxelManipulator::emerge(VoxelArea a)
|
||||
{
|
||||
v3s16 size = a.getExtent();
|
||||
|
||||
addArea(a);
|
||||
|
||||
for(s16 z=0; z<size.Z; z++)
|
||||
for(s16 y=0; y<size.Y; y++)
|
||||
for(s16 x=0; x<size.X; x++)
|
||||
{
|
||||
v3s16 p(x,y,z);
|
||||
s32 i = m_area.index(a.MinEdge + p);
|
||||
// Don't touch nodes that have already been loaded
|
||||
if(!(m_flags[i] & VOXELFLAG_NOT_LOADED))
|
||||
continue;
|
||||
try{
|
||||
MapNode n = m_map->getNode(a.MinEdge + p);
|
||||
m_data[i] = n;
|
||||
m_flags[i] = 0;
|
||||
}
|
||||
catch(InvalidPositionException &e)
|
||||
|
||||
// Flow water to node
|
||||
bool moved =
|
||||
flowWater(p, active_nodes, recursion_depth,
|
||||
debugprint, counter, counterlimit);
|
||||
|
||||
if(moved)
|
||||
{
|
||||
m_flags[i] = VOXELFLAG_INEXISTENT;
|
||||
// Search again from all neighbors
|
||||
goto find_again;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
void MapVoxelManipulator::blitBack
|
||||
(core::map<v3s16, MapBlock*> & modified_blocks)
|
||||
{
|
||||
/*
|
||||
Initialize block cache
|
||||
*/
|
||||
v3s16 blockpos_last;
|
||||
MapBlock *block = NULL;
|
||||
bool block_checked_in_modified = false;
|
||||
|
||||
for(s32 z=m_area.MinEdge.Z; z<=m_area.MaxEdge.Z; z++)
|
||||
for(s32 y=m_area.MinEdge.Y; y<=m_area.MaxEdge.Y; y++)
|
||||
for(s32 x=m_area.MinEdge.X; x<=m_area.MaxEdge.X; x++)
|
||||
if(counter != NULL)
|
||||
{
|
||||
v3s16 p(x,y,z);
|
||||
(*counter)++;
|
||||
if((*counter) % 10 == 0)
|
||||
dstream<<"flowWater(): moved "<<(*counter)<<" nodes"
|
||||
<<std::endl;
|
||||
|
||||
if(counterlimit != -1 && (*counter) > counterlimit)
|
||||
{
|
||||
dstream<<"Counter limit reached; returning"<<std::endl;
|
||||
throw ProcessingLimitException("flowWater counterlimit reached");
|
||||
}
|
||||
}
|
||||
|
||||
return true;
|
||||
}
|
||||
bool VoxelManipulator::flowWater(v3s16 removed_pos,
|
||||
core::map<v3s16, u8> &active_nodes,
|
||||
int recursion_depth, bool debugprint,
|
||||
int *counter, int counterlimit)
|
||||
{
|
||||
v3s16 dirs[6] = {
|
||||
v3s16(0,1,0), // top
|
||||
v3s16(-1,0,0), // left
|
||||
v3s16(1,0,0), // right
|
||||
v3s16(0,0,-1), // front
|
||||
v3s16(0,0,1), // back
|
||||
v3s16(0,-1,0), // bottom
|
||||
};
|
||||
|
||||
recursion_depth++;
|
||||
|
||||
v3s16 p;
|
||||
|
||||
// Randomize horizontal order
|
||||
static s32 cs = 0;
|
||||
if(cs < 3)
|
||||
cs++;
|
||||
else
|
||||
cs = 0;
|
||||
s16 s1 = (cs & 1) ? 1 : -1;
|
||||
s16 s2 = (cs & 2) ? 1 : -1;
|
||||
//dstream<<"s1="<<s1<<", s2="<<s2<<std::endl;
|
||||
|
||||
{
|
||||
TimeTaker timer1("flowWater pre", g_device, &flowwater_pre_time);
|
||||
|
||||
// Load neighboring nodes
|
||||
emerge(VoxelArea(removed_pos - v3s16(1,1,1), removed_pos + v3s16(1,1,1)));
|
||||
|
||||
// Ignore incorrect removed_pos
|
||||
{
|
||||
u8 f = m_flags[m_area.index(removed_pos)];
|
||||
// Ignore inexistent or checked node
|
||||
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)
|
||||
return false;
|
||||
}
|
||||
|
||||
s32 i;
|
||||
for(i=0; i<6; i++)
|
||||
{
|
||||
p = removed_pos + v3s16(s1*dirs[i].X, dirs[i].Y, s2*dirs[i].Z);
|
||||
|
||||
u8 f = m_flags[m_area.index(p)];
|
||||
if(f & (VOXELFLAG_NOT_LOADED|VOXELFLAG_INEXISTENT))
|
||||
// Inexistent or checked nodes can't move
|
||||
if(f & (VOXELFLAG_INEXISTENT | VOXELFLAG_CHECKED))
|
||||
continue;
|
||||
|
||||
MapNode &n = m_data[m_area.index(p)];
|
||||
|
||||
v3s16 blockpos = getNodeBlockPos(p);
|
||||
|
||||
try
|
||||
// Only liquid nodes can move
|
||||
if(material_liquid(n.d) == false)
|
||||
continue;
|
||||
// If block is at top, select it always
|
||||
if(i == 0)
|
||||
{
|
||||
// Get block
|
||||
if(block == NULL || blockpos != blockpos_last){
|
||||
block = m_map->getBlockNoCreate(blockpos);
|
||||
blockpos_last = blockpos;
|
||||
block_checked_in_modified = false;
|
||||
}
|
||||
|
||||
// Calculate relative position in block
|
||||
v3s16 relpos = p - blockpos * MAP_BLOCKSIZE;
|
||||
|
||||
// Don't continue if nothing has changed here
|
||||
if(block->getNode(relpos) == n)
|
||||
continue;
|
||||
|
||||
//m_map->setNode(m_area.MinEdge + p, n);
|
||||
block->setNode(relpos, n);
|
||||
|
||||
/*
|
||||
Make sure block is in modified_blocks
|
||||
*/
|
||||
if(block_checked_in_modified == false)
|
||||
{
|
||||
modified_blocks[blockpos] = block;
|
||||
block_checked_in_modified = true;
|
||||
}
|
||||
break;
|
||||
}
|
||||
catch(InvalidPositionException &e)
|
||||
// If block is at bottom, select it if it has enough pressure
|
||||
if(i == 5)
|
||||
{
|
||||
if(n.pressure >= 3)
|
||||
break;
|
||||
continue;
|
||||
}
|
||||
// Else block is at some side. Select it if it has enough pressure
|
||||
if(n.pressure >= 2)
|
||||
{
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
// If there is nothing to move, return
|
||||
if(i==6)
|
||||
return false;
|
||||
|
||||
// Switch nodes at p and removed_pos
|
||||
u8 m = m_data[m_area.index(p)].d;
|
||||
u8 f = m_flags[m_area.index(p)];
|
||||
m_data[m_area.index(p)].d = m_data[m_area.index(removed_pos)].d;
|
||||
m_flags[m_area.index(p)] = m_flags[m_area.index(removed_pos)];
|
||||
m_data[m_area.index(removed_pos)].d = m;
|
||||
m_flags[m_area.index(removed_pos)] = f;
|
||||
|
||||
// Mark removed_pos checked
|
||||
m_flags[m_area.index(removed_pos)] |= VOXELFLAG_CHECKED;
|
||||
// If block was dropped from surface, increase pressure
|
||||
if(i == 0 && m_data[m_area.index(removed_pos)].pressure == 1)
|
||||
{
|
||||
m_data[m_area.index(removed_pos)].pressure = 2;
|
||||
}
|
||||
|
||||
/*if(debugprint)
|
||||
{
|
||||
dstream<<"VoxelManipulator::flowWater(): Moved bubble:"<<std::endl;
|
||||
print(dstream, VOXELPRINT_WATERPRESSURE);
|
||||
}*/
|
||||
|
||||
// Update pressure
|
||||
VoxelArea a;
|
||||
a.addPoint(p - v3s16(1,1,1));
|
||||
a.addPoint(p + v3s16(1,1,1));
|
||||
a.addPoint(removed_pos - v3s16(1,1,1));
|
||||
a.addPoint(removed_pos + v3s16(1,1,1));
|
||||
updateAreaWaterPressure(a, active_nodes);
|
||||
|
||||
/*if(debugprint)
|
||||
{
|
||||
dstream<<"VoxelManipulator::flowWater(): Pressure updated:"<<std::endl;
|
||||
print(dstream, VOXELPRINT_WATERPRESSURE);
|
||||
//std::cin.get();
|
||||
}*/
|
||||
|
||||
if(debugprint)
|
||||
{
|
||||
dstream<<"VoxelManipulator::flowWater(): step done:"<<std::endl;
|
||||
print(dstream, VOXELPRINT_WATERPRESSURE);
|
||||
//std::cin.get();
|
||||
}
|
||||
|
||||
}//timer1
|
||||
|
||||
// Flow water to the newly created empty position
|
||||
flowWater(p, active_nodes, recursion_depth,
|
||||
debugprint, counter, counterlimit);
|
||||
|
||||
find_again:
|
||||
// Try flowing water to empty positions around removed_pos.
|
||||
// They are checked in reverse order compared to the previous loop.
|
||||
for(s32 i=5; i>=0; i--)
|
||||
{
|
||||
//v3s16 p = removed_pos + dirs[i];
|
||||
p = removed_pos + v3s16(s1*dirs[i].X, dirs[i].Y, s2*dirs[i].Z);
|
||||
|
||||
u8 f = m_flags[m_area.index(p)];
|
||||
// Water can't move to inexistent nodes
|
||||
if(f & VOXELFLAG_INEXISTENT)
|
||||
continue;
|
||||
MapNode &n = m_data[m_area.index(p)];
|
||||
// Water can only move to air
|
||||
if(n.d != MATERIAL_AIR)
|
||||
continue;
|
||||
|
||||
// Flow water to node
|
||||
bool moved =
|
||||
flowWater(p, active_nodes, recursion_depth,
|
||||
debugprint, counter, counterlimit);
|
||||
|
||||
if(moved)
|
||||
{
|
||||
// Search again from all neighbors
|
||||
goto find_again;
|
||||
}
|
||||
}
|
||||
|
||||
if(counter != NULL)
|
||||
{
|
||||
(*counter)++;
|
||||
if((*counter) % 10 == 0)
|
||||
dstream<<"flowWater(): moved "<<(*counter)<<" nodes"
|
||||
<<std::endl;
|
||||
|
||||
if(counterlimit != -1 && (*counter) > counterlimit)
|
||||
{
|
||||
dstream<<"Counter limit reached; returning"<<std::endl;
|
||||
throw ProcessingLimitException("flowWater counterlimit reached");
|
||||
}
|
||||
}
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
void VoxelManipulator::flowWater(
|
||||
core::map<v3s16, u8> &active_nodes,
|
||||
int recursion_depth, bool debugprint,
|
||||
int counterlimit)
|
||||
{
|
||||
addarea_time = 0;
|
||||
emerge_time = 0;
|
||||
emerge_load_time = 0;
|
||||
clearflag_time = 0;
|
||||
updateareawaterpressure_time = 0;
|
||||
flowwater_pre_time = 0;
|
||||
|
||||
TimeTaker timer1("flowWater (active_nodes)", g_device);
|
||||
|
||||
dstream<<"active_nodes.size() = "<<active_nodes.size()<<std::endl;
|
||||
|
||||
int counter = 0;
|
||||
|
||||
try
|
||||
{
|
||||
|
||||
// Flow water to active nodes
|
||||
for(;;)
|
||||
{
|
||||
// Clear check flags
|
||||
clearFlag(VOXELFLAG_CHECKED);
|
||||
|
||||
if(active_nodes.size() == 0)
|
||||
break;
|
||||
|
||||
dstream<<"Selecting a new active_node"<<std::endl;
|
||||
|
||||
#if 0
|
||||
// Take first one
|
||||
core::map<v3s16, u8>::Node
|
||||
*n = active_nodes.getIterator().getNode();
|
||||
#endif
|
||||
|
||||
#if 1
|
||||
// Take random one
|
||||
s32 k = (s32)rand() % (s32)active_nodes.size();
|
||||
//s32 k = 0;
|
||||
core::map<v3s16, u8>::Iterator
|
||||
i = active_nodes.getIterator().getNode();
|
||||
for(s32 j=0; j<k; j++)
|
||||
{
|
||||
i++;
|
||||
}
|
||||
core::map<v3s16, u8>::Node *n = i.getNode();
|
||||
#endif
|
||||
|
||||
v3s16 p = n->getKey();
|
||||
active_nodes.remove(p);
|
||||
flowWater(p, active_nodes, recursion_depth,
|
||||
debugprint, &counter, counterlimit);
|
||||
}
|
||||
|
||||
}
|
||||
catch(ProcessingLimitException &e)
|
||||
{
|
||||
//dstream<<"getWaterPressure ProcessingLimitException"<<std::endl;
|
||||
}
|
||||
|
||||
v3s16 e = m_area.getExtent();
|
||||
s32 v = m_area.getVolume();
|
||||
dstream<<"flowWater (active): moved "<<counter<<" nodes, "
|
||||
<<"area ended up as "
|
||||
<<e.X<<"x"<<e.Y<<"x"<<e.Z<<" = "<<v
|
||||
<<std::endl;
|
||||
|
||||
dstream<<"addarea_time: "<<addarea_time
|
||||
<<", emerge_time: "<<emerge_time
|
||||
<<", emerge_load_time: "<<emerge_load_time
|
||||
<<", clearflag_time: "<<clearflag_time
|
||||
<<", flowwater_pre_time: "<<flowwater_pre_time
|
||||
<<", updateareawaterpressure_time: "<<updateareawaterpressure_time
|
||||
<<std::endl;
|
||||
}
|
||||
|
||||
|
||||
//END
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue