summaryrefslogtreecommitdiff
path: root/src/resources/map/maplayer.h
blob: a5d789d11e7e1c8bda2239085186038ea8ba4c95 (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
148
149
150
151
152
153
154
155
/*
 *  The ManaPlus Client
 *  Copyright (C) 2004-2009  The Mana World Development Team
 *  Copyright (C) 2009-2010  The Mana Developers
 *  Copyright (C) 2011-2015  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_MAP_MAPLAYER_H
#define RESOURCES_MAP_MAPLAYER_H

#include "main.h"

#include "listeners/configlistener.h"

#include "being/actor.h"

#include <string>
#include <vector>

class Image;
class MapRowVertexes;
class SpecialLayer;

/**
 * A map layer. Stores a grid of tiles and their offset, and implements layer
 * rendering.
 */
class MapLayer final: public ConfigListener
{
    public:
        enum Type
        {
            TILES = 0,
            COLLISION,
            HEIGHTS
        };

        friend class Map;

        /**
         * Constructor, taking layer origin, size and whether this layer is the
         * fringe layer. The fringe layer is the layer that draws the actors.
         * There can be only one fringe layer per map.
         */
        MapLayer(const int x, const int y, const int width, const int height,
                 const bool isFringeLayer, const int mask);

        A_DELETE_COPY(MapLayer)

        /**
         * Destructor.
         */
        ~MapLayer();

        /**
         * Set tile image, with x and y in layer coordinates.
         */
        void setTile(const int x, const int y, Image *const img);

        /**
         * Set tile image with x + y * width already known.
         */
        void setTile(const int index, Image *const img)
        { mTiles[index] = img; }

        /**
         * Draws this layer to the given graphics context. The coordinates are
         * expected to be in map range and will be translated to local layer
         * coordinates and clipped to the layer's dimensions.
         *
         * The given actors are only drawn when this layer is the fringe
         * layer.
         */
        void draw(Graphics *const graphics,
                  int startX, int startY, int endX, int endY,
                  const int scrollX, const int scrollY,
                  const int layerDrawFlags) const;

        void drawSDL(Graphics *const graphics);

#ifdef USE_OPENGL
        void drawOGL(Graphics *const graphics);

        void updateOGL(Graphics *const graphics,
                       int startX, int startY,
                       int endX, int endY,
                       const int scrollX, const int scrollY,
                       const int layerDrawFlags);
#endif

        void updateSDL(const Graphics *const graphics,
                       int startX, int startY,
                       int endX, int endY,
                       const int scrollX, const int scrollY,
                       const int layerDrawFlags);

        void drawFringe(Graphics *const graphics,
                        int startX, int startY,
                        int endX, int endY,
                        const int scrollX, const int scrollY,
                        const Actors *const actors,
                        const int layerDrawFlags, const int yFix) const;

        bool isFringeLayer() const A_WARN_UNUSED
        { return mIsFringeLayer; }

        void setSpecialLayer(SpecialLayer *const val)
        { mSpecialLayer = val; }

        void setTempLayer(SpecialLayer *const val)
        { mTempLayer = val; }

        int getWidth() const A_WARN_UNUSED
        { return mWidth; }

        int getHeight() const A_WARN_UNUSED
        { return mHeight; }

        void optionChanged(const std::string &value) override final;

        static int getTileDrawWidth(const Image *img,
                                    const int endX,
                                    int &width) A_WARN_UNUSED;

    private:
        int mX;
        int mY;
        int mWidth;
        int mHeight;
        Image **mTiles;
        SpecialLayer *mSpecialLayer;
        SpecialLayer *mTempLayer;
        typedef std::vector<MapRowVertexes*> MapRows;
        MapRows mTempRows;
        int mMask;
        bool mIsFringeLayer;    /**< Whether the actors are drawn. */
        bool mHighlightAttackRange;
};

#endif  // RESOURCES_MAP_MAPLAYER_H