]> git.lizzy.rs Git - minetest.git/blobdiff - src/voxel.cpp
Make GUITable mouse wheel scrolling faster
[minetest.git] / src / voxel.cpp
index f859a1f0382cf6025a41c0b60dd48a7c83ad3eb2..19f2deb3279445e51d7e3b3ab95f77761c6c6f28 100644 (file)
@@ -22,6 +22,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #include "gettime.h"
 #include "nodedef.h"
 #include "util/timetaker.h"
+#include <string.h>  // memcpy, memset
 
 /*
        Debug stuff
@@ -70,7 +71,7 @@ void VoxelManipulator::print(std::ostream &o, INodeDefManager *ndef,
        v3s16 of = m_area.MinEdge;
        o<<"size: "<<em.X<<"x"<<em.Y<<"x"<<em.Z
         <<" offset: ("<<of.X<<","<<of.Y<<","<<of.Z<<")"<<std::endl;
-       
+
        for(s32 y=m_area.MaxEdge.Y; y>=m_area.MinEdge.Y; y--)
        {
                if(em.X >= 3 && em.Y >= 3)
@@ -87,10 +88,8 @@ void VoxelManipulator::print(std::ostream &o, INodeDefManager *ndef,
                        {
                                u8 f = m_flags[m_area.index(x,y,z)];
                                char c;
-                               if(f & VOXELFLAG_NOT_LOADED)
+                               if(f & VOXELFLAG_NO_DATA)
                                        c = 'N';
-                               else if(f & VOXELFLAG_INEXISTENT)
-                                       c = 'I';
                                else
                                {
                                        c = 'X';
@@ -148,11 +147,11 @@ void VoxelManipulator::addArea(VoxelArea area)
        // Cancel if requested area has zero volume
        if(area.getExtent() == v3s16(0,0,0))
                return;
-       
+
        // Cancel if m_area already contains the requested area
        if(m_area.contains(area))
                return;
-       
+
        TimeTaker timer("addArea", &addarea_time);
 
        // Calculate new area
@@ -182,30 +181,29 @@ void VoxelManipulator::addArea(VoxelArea area)
 
        // Allocate and clear new data
        MapNode *new_data = new MapNode[new_size];
+       assert(new_data);
        u8 *new_flags = new u8[new_size];
-       for(s32 i=0; i<new_size; i++)
-       {
-               new_flags[i] = VOXELFLAG_NOT_LOADED;
-       }
-       
+       assert(new_flags);
+       memset(new_flags, VOXELFLAG_NO_DATA, new_size);
+
        // Copy old data
-       
+       s32 old_x_width = m_area.MaxEdge.X - m_area.MinEdge.X + 1;
        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 loaded, copy data and flags
-               if((m_flags[m_area.index(x,y,z)] & VOXELFLAG_NOT_LOADED) == false)
-               {
-                       new_data[new_area.index(x,y,z)] = m_data[m_area.index(x,y,z)];
-                       new_flags[new_area.index(x,y,z)] = m_flags[m_area.index(x,y,z)];
-               }
+               unsigned int old_index = m_area.index(m_area.MinEdge.X,y,z);
+               unsigned int new_index = new_area.index(m_area.MinEdge.X,y,z);
+
+               memcpy(&new_data[new_index], &m_data[old_index],
+                               old_x_width * sizeof(MapNode));
+               memcpy(&new_flags[new_index], &m_flags[old_index],
+                               old_x_width * sizeof(u8));
        }
 
        // Replace area, data and flags
-       
+
        m_area = new_area;
-       
+
        MapNode *old_data = m_data;
        u8 *old_flags = m_flags;
 
@@ -214,7 +212,7 @@ void VoxelManipulator::addArea(VoxelArea area)
 
        m_data = new_data;
        m_flags = new_flags;
-       
+
        if(old_data)
                delete[] old_data;
        if(old_flags)
@@ -223,7 +221,7 @@ void VoxelManipulator::addArea(VoxelArea area)
        //dstream<<"addArea done"<<std::endl;
 }
 
-void VoxelManipulator::copyFrom(MapNode *src, VoxelArea src_area,
+void VoxelManipulator::copyFrom(MapNode *src, const VoxelArea& src_area,
                v3s16 from_pos, v3s16 to_pos, v3s16 size)
 {
        for(s16 z=0; z<size.Z; z++)
@@ -236,7 +234,7 @@ void VoxelManipulator::copyFrom(MapNode *src, VoxelArea src_area,
        }
 }
 
-void VoxelManipulator::copyTo(MapNode *dst, VoxelArea dst_area,
+void VoxelManipulator::copyTo(MapNode *dst, const VoxelArea& dst_area,
                v3s16 dst_pos, v3s16 from_pos, v3s16 size)
 {
        for(s16 z=0; z<size.Z; z++)
@@ -250,7 +248,6 @@ void VoxelManipulator::copyTo(MapNode *dst, VoxelArea dst_area,
                        i_dst++;
                        i_local++;
                }
-               //memcpy(&dst[i_dst], &m_data[i_local], size.X*sizeof(MapNode));
        }
 }
 
@@ -264,7 +261,7 @@ void VoxelManipulator::clearFlag(u8 flags)
        // 0-1ms on moderate area
        TimeTaker timer("clearFlag", &clearflag_time);
 
-       v3s16 s = m_area.getExtent();
+       //v3s16 s = m_area.getExtent();
 
        /*dstream<<"clearFlag clearing area of size "
                        <<""<<s.X<<"x"<<s.Y<<"x"<<s.Z<<""
@@ -312,22 +309,22 @@ void VoxelManipulator::unspreadLight(enum LightBank bank, v3s16 p, u8 oldlight,
                v3s16(0,-1,0), // bottom
                v3s16(-1,0,0), // left
        };
-       
-       emerge(VoxelArea(p - v3s16(1,1,1), p + v3s16(1,1,1)));
+
+       addArea(VoxelArea(p - v3s16(1,1,1), p + v3s16(1,1,1)));
 
        // Loop through 6 neighbors
        for(u16 i=0; i<6; i++)
        {
                // Get the position of the neighbor node
                v3s16 n2pos = p + dirs[i];
-               
+
                u32 n2i = m_area.index(n2pos);
 
-               if(m_flags[n2i] & VOXELFLAG_INEXISTENT)
+               if(m_flags[n2i] & VOXELFLAG_NO_DATA)
                        continue;
 
                MapNode &n2 = m_data[n2i];
-               
+
                /*
                        If the neighbor is dimmer than what was specified
                        as oldlight (the light of the previous node)
@@ -345,9 +342,9 @@ void VoxelManipulator::unspreadLight(enum LightBank bank, v3s16 p, u8 oldlight,
                                */
 
                                n2.setLight(bank, 0, nodemgr);
-                               
+
                                unspreadLight(bank, n2pos, light2, light_sources, nodemgr);
-                               
+
                                /*
                                        Remove from light_sources if it is there
                                        NOTE: This doesn't happen nearly at all
@@ -389,7 +386,7 @@ void VoxelManipulator::unspreadLight(enum LightBank bank,
 {
        if(from_nodes.size() == 0)
                return;
-       
+
        for(std::map<v3s16, u8>::iterator j = from_nodes.begin();
                j != from_nodes.end(); ++j)
        {
@@ -428,10 +425,10 @@ void VoxelManipulator::unspreadLight(enum LightBank bank,
                v3s16(0,-1,0), // bottom
                v3s16(-1,0,0), // left
        };
-       
+
        if(from_nodes.size() == 0)
                return;
-       
+
        core::map<v3s16, u8> unlighted_nodes;
        core::map<v3s16, u8>::Iterator j;
        j = from_nodes.getIterator();
@@ -439,26 +436,26 @@ void VoxelManipulator::unspreadLight(enum LightBank bank,
        for(; j.atEnd() == false; j++)
        {
                v3s16 pos = j.getNode()->getKey();
-               
-               emerge(VoxelArea(pos - v3s16(1,1,1), pos + v3s16(1,1,1)));
+
+               addArea(VoxelArea(pos - v3s16(1,1,1), pos + v3s16(1,1,1)));
 
                //MapNode &n = m_data[m_area.index(pos)];
-               
+
                u8 oldlight = j.getNode()->getValue();
-               
+
                // Loop through 6 neighbors
                for(u16 i=0; i<6; i++)
                {
                        // Get the position of the neighbor node
                        v3s16 n2pos = pos + dirs[i];
-                       
+
                        u32 n2i = m_area.index(n2pos);
 
-                       if(m_flags[n2i] & VOXELFLAG_INEXISTENT)
+                       if(m_flags[n2i] & VOXELFLAG_NO_DATA)
                                continue;
 
                        MapNode &n2 = m_data[n2i];
-                       
+
                        /*
                                If the neighbor is dimmer than what was specified
                                as oldlight (the light of the previous node)
@@ -478,7 +475,7 @@ void VoxelManipulator::unspreadLight(enum LightBank bank,
                                        n2.setLight(bank, 0);
 
                                        unlighted_nodes.insert(n2pos, current_light);
-                                       
+
                                        /*
                                                Remove from light_sources if it is there
                                                NOTE: This doesn't happen nearly at all
@@ -500,7 +497,7 @@ void VoxelManipulator::unspreadLight(enum LightBank bank,
                        <<blockchangecount<<" times"
                        <<" for "<<from_nodes.size()<<" nodes"
                        <<std::endl;*/
-       
+
        if(unlighted_nodes.size() > 0)
                unspreadLight(bank, unlighted_nodes, light_sources);
 }
@@ -518,11 +515,11 @@ void VoxelManipulator::spreadLight(enum LightBank bank, v3s16 p,
                v3s16(-1,0,0), // left
        };
 
-       emerge(VoxelArea(p - v3s16(1,1,1), p + v3s16(1,1,1)));
+       addArea(VoxelArea(p - v3s16(1,1,1), p + v3s16(1,1,1)));
 
        u32 i = m_area.index(p);
-       
-       if(m_flags[i] & VOXELFLAG_INEXISTENT)
+
+       if(m_flags[i] & VOXELFLAG_NO_DATA)
                return;
 
        MapNode &n = m_data[i];
@@ -535,16 +532,16 @@ void VoxelManipulator::spreadLight(enum LightBank bank, v3s16 p,
        {
                // Get the position of the neighbor node
                v3s16 n2pos = p + dirs[i];
-               
+
                u32 n2i = m_area.index(n2pos);
 
-               if(m_flags[n2i] & VOXELFLAG_INEXISTENT)
+               if(m_flags[n2i] & VOXELFLAG_NO_DATA)
                        continue;
 
                MapNode &n2 = m_data[n2i];
 
                u8 light2 = n2.getLight(bank, nodemgr);
-               
+
                /*
                        If the neighbor is brighter than the current node,
                        add to list (it will light up this node on its turn)
@@ -581,7 +578,7 @@ void VoxelManipulator::spreadLight(enum LightBank bank,
 {
        if(from_nodes.size() == 0)
                return;
-       
+
        core::map<v3s16, bool> lighted_nodes;
        core::map<v3s16, bool>::Iterator j;
        j = from_nodes.getIterator();
@@ -614,7 +611,7 @@ void VoxelManipulator::spreadLight(enum LightBank bank,
 
        if(from_nodes.size() == 0)
                return;
-       
+
        std::set<v3s16> lighted_nodes;
 
        for(std::set<v3s16>::iterator j = from_nodes.begin();
@@ -622,11 +619,11 @@ void VoxelManipulator::spreadLight(enum LightBank bank,
        {
                v3s16 pos = *j;
 
-               emerge(VoxelArea(pos - v3s16(1,1,1), pos + v3s16(1,1,1)));
+               addArea(VoxelArea(pos - v3s16(1,1,1), pos + v3s16(1,1,1)));
 
                u32 i = m_area.index(pos);
-               
-               if(m_flags[i] & VOXELFLAG_INEXISTENT)
+
+               if(m_flags[i] & VOXELFLAG_NO_DATA)
                        continue;
 
                MapNode &n = m_data[i];
@@ -639,18 +636,18 @@ void VoxelManipulator::spreadLight(enum LightBank bank,
                {
                        // Get the position of the neighbor node
                        v3s16 n2pos = pos + dirs[i];
-                       
+
                        try
                        {
                                u32 n2i = m_area.index(n2pos);
 
-                               if(m_flags[n2i] & VOXELFLAG_INEXISTENT)
+                               if(m_flags[n2i] & VOXELFLAG_NO_DATA)
                                        continue;
 
                                MapNode &n2 = m_data[n2i];
 
                                u8 light2 = n2.getLight(bank, nodemgr);
-                               
+
                                /*
                                        If the neighbor is brighter than the current node,
                                        add to list (it will light up this node on its turn)
@@ -683,7 +680,7 @@ void VoxelManipulator::spreadLight(enum LightBank bank,
                        <<blockchangecount<<" times"
                        <<" for "<<from_nodes.size()<<" nodes"
                        <<std::endl;*/
-       
+
        if(lighted_nodes.size() > 0)
                spreadLight(bank, lighted_nodes, nodemgr);
 }