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mirror of https://github.com/moparisthebest/minetest synced 2024-11-07 09:55:09 -05:00
minetest/src/light.cpp
2010-12-13 03:19:12 +02:00

148 lines
2.2 KiB
C++

/*
Minetest-c55
Copyright (C) 2010 celeron55, Perttu Ahola <celeron55@gmail.com>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "light.h"
/*
#!/usr/bin/python
from math import *
from sys import stdout
# We want 0 at light=0 and 255 at light=LIGHT_MAX
LIGHT_MAX = 15
L = []
for i in range(1,LIGHT_MAX+1):
L.append(int(round(255.0 * 0.69 ** (i-1))))
L.append(0)
L.reverse()
for i in L:
stdout.write(str(i)+",\n")
*/
/*
The first value should be 0, the last value should be 255.
*/
/*u8 light_decode_table[LIGHT_MAX+1] =
{
0,
2,
3,
4,
6,
9,
13,
19,
28,
40,
58,
84,
121,
176,
255,
};*/
/*
#!/usr/bin/python
from math import *
from sys import stdout
# We want 0 at light=0 and 255 at light=LIGHT_MAX
LIGHT_MAX = 14
#FACTOR = 0.69
FACTOR = 0.75
L = []
for i in range(1,LIGHT_MAX+1):
L.append(int(round(255.0 * FACTOR ** (i-1))))
L.append(0)
L.reverse()
for i in L:
stdout.write(str(i)+",\n")
*/
u8 light_decode_table[LIGHT_MAX+1] =
{
0,
6,
8,
11,
14,
19,
26,
34,
45,
61,
81,
108,
143,
191,
255,
};
/*
#!/usr/bin/python
from math import *
from sys import stdout
# We want 0 at light=0 and 255 at light=LIGHT_MAX
LIGHT_MAX = 14
#FACTOR = 0.69
FACTOR = 0.75
maxlight = 255
minlight = 8
L = []
for i in range(1,LIGHT_MAX+1):
L.append(minlight+int(round((maxlight-minlight) * FACTOR ** (i-1))))
#L.append(int(round(255.0 * FACTOR ** (i-1))))
L.append(minlight)
L.reverse()
for i in L:
stdout.write(str(i)+",\n")
*/
/*u8 light_decode_table[LIGHT_MAX+1] =
{
8,
14,
16,
18,
22,
27,
33,
41,
52,
67,
86,
112,
147,
193,
255,
};*/