mirror of https://github.com/minetest/minetest.git
148 lines
2.2 KiB
C++
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,
|
|
};*/
|
|
|
|
|