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GenElementManager: Pass opaque handles to Lua and rename to ObjDefManager

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Add core.clear_registered_schematics() and refactor schematics somewhat
This commit is contained in:
kwolekr 2015-03-30 23:40:35 -04:00
parent 6a48844eba
commit ed10005d38
16 changed files with 363 additions and 203 deletions
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22
src/util/numeric.h
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@ -249,6 +249,28 @@ int myrand_range(int min, int max);
Miscellaneous functions
*/
inline u32 get_bits(u32 x, u32 pos, u32 len)
{
u32 mask = (1 << len) - 1;
return (x >> pos) & mask;
}
inline void set_bits(u32 *x, u32 pos, u32 len, u32 val)
{
u32 mask = (1 << len) - 1;
*x &= ~(mask << len);
*x |= (val & mask) << pos;
}
inline u32 calc_parity(u32 v)
{
v ^= v >> 16;
v ^= v >> 8;
v ^= v >> 4;
v &= 0xf;
return (0x6996 >> v) & 1;
}
u64 murmur_hash_64_ua(const void *key, int len, unsigned int seed);
bool isBlockInSight(v3s16 blockpos_b, v3f camera_pos, v3f camera_dir,