summaryrefslogtreecommitdiff
path: root/src/resources/dye.h
blob: 2976c984d5339b8b41b18b9f11a394aa5e268955 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
/*
 *  The ManaPlus Client
 *  Copyright (C) 2007-2009  The Mana World Development Team
 *  Copyright (C) 2009-2010  The Mana Developers
 *  Copyright (C) 2011-2013  The ManaPlus Developers
 *
 *  This file is part of The ManaPlus Client.
 *
 *  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
 *  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, see <http://www.gnu.org/licenses/>.
 */

#ifndef RESOURCES_DYE_H
#define RESOURCES_DYE_H

#include "resources/dyecolor.h"

#include <string>
#include <vector>

#include "localconsts.h"

const int dyePalateSize = 9;
const int sPaleteIndex = 7;
const int aPaleteIndex = 8;

/**
 * Class for performing a linear interpolation between colors.
 */
class DyePalette final
{
    public:
        /**
         * Creates a palette based on the given string.
         * The string is either a file name or a sequence of hexadecimal RGB
         * values separated by ',' and starting with '#'.
         */
        DyePalette(const std::string &pallete, const int8_t blockSize);

        A_DELETE_COPY(DyePalette)

        /**
         * Gets a pixel color depending on its intensity. First color is
         * implicitly black (0, 0, 0).
         */
        void getColor(const int intensity, int color[3]) const;

        /**
         * Gets a pixel color depending on its intensity.
         */
        void getColor(double intensity, int color[3]) const;

        /**
         * replace colors for SDL for S dye.
         */
        void replaceSColor(uint32_t *pixels, const int bufSize) const;

        /**
         * replace colors for SDL for S dye.
         */
        void replaceAColor(uint32_t *pixels, const int bufSize) const;

        /**
         * replace colors for OpenGL for S dye.
         */
        void replaceSOGLColor(uint8_t *const color) const;

        /**
         * replace colors for OpenGL for A dye.
         */
        void replaceAOGLColor(uint8_t *const color) const;

        static int hexDecode(const signed char c) A_WARN_UNUSED;

    private:
        std::vector<DyeColor> mColors;
};

/**
 * Class for dispatching pixel-recoloring amongst several palettes.
 */
class Dye final
{
    public:
        /**
         * Creates a set of palettes based on the given string.
         *
         * The parts of string are separated by semi-colons. Each part starts
         * by an uppercase letter, followed by a colon and then a palette name.
         */
        explicit Dye(const std::string &dye);

        A_DELETE_COPY(Dye)

        /**
         * Destroys the associated palettes.
         */
        ~Dye();

        /**
         * Modifies a pixel color.
         */
        void update(int color[3]) const;

        /**
         * Fills the blank in a dye placeholder with some palette names.
         */
        static void instantiate(std::string &target,
                                const std::string &palettes);

        /**
         * Return special dye palete (S)
         */
        DyePalette *getSPalete() const A_WARN_UNUSED
        { return mDyePalettes[sPaleteIndex]; }

        /**
         * Return special dye palete (A)
         */
        DyePalette *getAPalete() const A_WARN_UNUSED
        { return mDyePalettes[aPaleteIndex]; }

        /**
         * Return dye type for S - 1, for A - 2, 0 for other
         */
        int getType() const A_WARN_UNUSED;

    private:
        /**
         * The order of the palettes, as well as their uppercase letter, is:
         *
         * Red, Green, Yellow, Blue, Magenta, White (or rather gray), Simple.
         */
        DyePalette *mDyePalettes[dyePalateSize];
};

#endif  // RESOURCES_DYE_H