Expose getPointedThing to Lua

[oweals/minetest.git] / src / util / numeric.cpp

diff --git a/src/util/numeric.cpp b/src/util/numeric.cpp
index 87f1040ea2207778fd4ba200a0263de3903c90c0..e6a9cb75ebddc549631867c17a0b8c2bd5c65e09 100644 (file)
--- a/src/util/numeric.cpp
+++ b/src/util/numeric.cpp
@@ -24,100 +24,9 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #include "../noise.h" // PseudoRandom, PcgRandom
 #include "../threading/mutex_auto_lock.h"
 #include <string.h>
-#include <iostream>
 
-UNORDERED_MAP<u16, std::vector<v3s16> > FacePositionCache::m_cache;
-Mutex FacePositionCache::m_cache_mutex;
-// Calculate the borders of a "d-radius" cube
-// TODO: Make it work without mutex and data races, probably thread-local
-std::vector<v3s16> FacePositionCache::getFacePositions(u16 d)
-{
-       MutexAutoLock cachelock(m_cache_mutex);
-       if (m_cache.find(d) != m_cache.end())
-               return m_cache[d];
-
-       generateFacePosition(d);
-       return m_cache[d];
-
-}
-
-void FacePositionCache::generateFacePosition(u16 d)
-{
-       m_cache[d] = std::vector<v3s16>();
-       if(d == 0) {
-               m_cache[d].push_back(v3s16(0,0,0));
-               return;
-       }
-       if(d == 1) {
-               /*
-                       This is an optimized sequence of coordinates.
-               */
-               m_cache[d].push_back(v3s16( 0, 1, 0)); // top
-               m_cache[d].push_back(v3s16( 0, 0, 1)); // back
-               m_cache[d].push_back(v3s16(-1, 0, 0)); // left
-               m_cache[d].push_back(v3s16( 1, 0, 0)); // right
-               m_cache[d].push_back(v3s16( 0, 0,-1)); // front
-               m_cache[d].push_back(v3s16( 0,-1, 0)); // bottom
-               // 6
-               m_cache[d].push_back(v3s16(-1, 0, 1)); // back left
-               m_cache[d].push_back(v3s16( 1, 0, 1)); // back right
-               m_cache[d].push_back(v3s16(-1, 0,-1)); // front left
-               m_cache[d].push_back(v3s16( 1, 0,-1)); // front right
-               m_cache[d].push_back(v3s16(-1,-1, 0)); // bottom left
-               m_cache[d].push_back(v3s16( 1,-1, 0)); // bottom right
-               m_cache[d].push_back(v3s16( 0,-1, 1)); // bottom back
-               m_cache[d].push_back(v3s16( 0,-1,-1)); // bottom front
-               m_cache[d].push_back(v3s16(-1, 1, 0)); // top left
-               m_cache[d].push_back(v3s16( 1, 1, 0)); // top right
-               m_cache[d].push_back(v3s16( 0, 1, 1)); // top back
-               m_cache[d].push_back(v3s16( 0, 1,-1)); // top front
-               // 18
-               m_cache[d].push_back(v3s16(-1, 1, 1)); // top back-left
-               m_cache[d].push_back(v3s16( 1, 1, 1)); // top back-right
-               m_cache[d].push_back(v3s16(-1, 1,-1)); // top front-left
-               m_cache[d].push_back(v3s16( 1, 1,-1)); // top front-right
-               m_cache[d].push_back(v3s16(-1,-1, 1)); // bottom back-left
-               m_cache[d].push_back(v3s16( 1,-1, 1)); // bottom back-right
-               m_cache[d].push_back(v3s16(-1,-1,-1)); // bottom front-left
-               m_cache[d].push_back(v3s16( 1,-1,-1)); // bottom front-right
-               // 26
-               return;
-       }
 
-       // Take blocks in all sides, starting from y=0 and going +-y
-       for(s16 y=0; y<=d-1; y++) {
-               // Left and right side, including borders
-               for(s16 z=-d; z<=d; z++) {
-                       m_cache[d].push_back(v3s16(d,y,z));
-                       m_cache[d].push_back(v3s16(-d,y,z));
-                       if(y != 0) {
-                               m_cache[d].push_back(v3s16(d,-y,z));
-                               m_cache[d].push_back(v3s16(-d,-y,z));
-                       }
-               }
-               // Back and front side, excluding borders
-               for(s16 x=-d+1; x<=d-1; x++) {
-                       m_cache[d].push_back(v3s16(x,y,d));
-                       m_cache[d].push_back(v3s16(x,y,-d));
-                       if(y != 0) {
-                               m_cache[d].push_back(v3s16(x,-y,d));
-                               m_cache[d].push_back(v3s16(x,-y,-d));
-                       }
-               }
-       }
-
-       // Take the bottom and top face with borders
-       // -d<x<d, y=+-d, -d<z<d
-       for(s16 x=-d; x<=d; x++)
-       for(s16 z=-d; z<=d; z++) {
-               m_cache[d].push_back(v3s16(x,-d,z));
-               m_cache[d].push_back(v3s16(x,d,z));
-       }
-}
-
-/*
-    myrand
-*/
+// myrand
 
 PcgRandom g_pcgrand;