minetest.git - modified minetest for gpcfs purposes

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author	x2048 <codeforsmile@gmail.com>	2021-07-25 12:35:12 +0200
committer	GitHub <noreply@github.com>	2021-07-25 12:35:12 +0200
commit	ff2d2a6e93d75d24b3f69f2b3690bcac6440961e (patch)
tree	8984d4f75d852f07b3cd66fc217febc5603dfd06 /src/objdef.h
parent	5d27cc50968260db5cf34726c88dbbc5ed27c941 (diff)
download	minetest-ff2d2a6e93d75d24b3f69f2b3690bcac6440961e.tar.gz minetest-ff2d2a6e93d75d24b3f69f2b3690bcac6440961e.tar.bz2 minetest-ff2d2a6e93d75d24b3f69f2b3690bcac6440961e.zip

Add smooth light-shadow transition at noon (#11430)

Node faces with normals pointing East/West (+X/-X) will transition between light and shadow at noon. This code makes the transition smooth.

Diffstat (limited to 'src/objdef.h')

0 files changed, 0 insertions, 0 deletions

/* * Minetest * Copyright (C) 2010-2014 celeron55, Perttu Ahola <celeron55@gmail.com> * Copyright (C) 2010-2014 kwolekr, Ryan Kwolek <kwolekr@minetest.net> * All rights reserved. * * Redistribution and use in source and binary forms, with or without modification, are * permitted provided that the following conditions are met: * 1. Redistributions of source code must retain the above copyright notice, this list of * conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright notice, this list * of conditions and the following disclaimer in the documentation and/or other materials * provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #ifndef NOISE_HEADER #define NOISE_HEADER #include "irr_v3d.h" #include "exceptions.h" #include "util/string.h" extern FlagDesc flagdesc_noiseparams[]; // Note: this class is not polymorphic so that its high level of // optimizability may be preserved in the common use case class PseudoRandom { public: const static u32 RANDOM_RANGE = 32767; inline PseudoRandom(int seed=0): m_next(seed) { } inline void seed(int seed) { m_next = seed; } inline int next() { m_next = m_next * 1103515245 + 12345; return (unsigned)(m_next / 65536) % (RANDOM_RANGE + 1); } inline int range(int min, int max) { if (max < min) throw PrngException("Invalid range (max < min)"); /* Here, we ensure the range is not too large relative to RANDOM_MAX, as otherwise the effects of bias would become noticable. Unlike PcgRandom, we cannot modify this RNG's range as it would change the output of this RNG for reverse compatibility. */ if ((u32)(max - min) > (RANDOM_RANGE + 1) / 10) throw PrngException("Range too large"); return (next() % (max - min + 1)) + min; } private: int m_next; }; class PcgRandom { public: const static s32 RANDOM_MIN = -0x7fffffff - 1; const static s32 RANDOM_MAX = 0x7fffffff; const static u32 RANDOM_RANGE = 0xffffffff; PcgRandom(u64 state=0x853c49e6748fea9bULL, u64 seq=0xda3e39cb94b95bdbULL); void seed(u64 state, u64 seq=0xda3e39cb94b95bdbULL); u32 next(); u32 range(u32 bound); s32 range(s32 min, s32 max); void bytes(void *out, size_t len); s32 randNormalDist(s32 min, s32 max, int num_trials=6); private:


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