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Fix division by zero
[raycastlib.git] / programs / testSDL.c
blob1d27cda8108c712fa4971aa6ae19449856f7176f
1 /*
2 Raycasting SDL test. This is a port of my Pokitto demo.
3
4 author: Miloslav Ciz
5 license: CC0
6 */
7
8 #include <SDL2/SDL.h>
9 #include <stdio.h>
10 #include <time.h>
11
12 #define RCL_COMPUTE_FLOOR_TEXCOORDS 1
13 //#define RCL_HORIZONTAL_FOV (RCL_UNITS_PER_SQUARE / 5)
14 #define RCL_VERTICAL_FOV 380 // redefine camera vertical FOV
15
16 #define RCL_TEXTURE_VERTICAL_STRETCH 1
17
18 #define RCL_PIXEL_FUNCTION pixelFunc
19
20 #include "../raycastlib.h"
21
22 #define LEVEL_X_RES 29
23 #define LEVEL_Y_RES 21
24
25 #define SCREEN_WIDTH 800
26 #define SCREEN_HEIGHT 600
27 #define MIDDLE_ROW (SCREEN_HEIGHT / 2)
28
29 #define max(a,b) ((a) > (b) ? (a) : (b))
30
31 #define KEYS 8
32 #define KEY_UP 0
33 #define KEY_RIGHT 1
34 #define KEY_DOWN 2
35 #define KEY_LEFT 3
36 #define KEY_Q 4
37 #define KEY_W 5
38 #define KEY_A 6
39 #define KEY_S 7
40
41 int keys[KEYS];
42
43 unsigned long frame = 0;
44
45 RCL_Camera camera;
46
47 uint32_t pixels[SCREEN_WIDTH * SCREEN_HEIGHT];
48 uint32_t pixelCounter[SCREEN_WIDTH * SCREEN_HEIGHT];
49
50 typedef struct
51 {
52 unsigned char *mImage;
53 RCL_Vector2D mPosition;
54 RCL_Unit mHeight;
55 RCL_Unit mPixelSize;
56 } Sprite;
57
58 uint32_t palette[256];
59
60 #define SPRITES 7
61 #define SPRITE_MAX_DISTANCE 5 * RCL_UNITS_PER_SQUARE
62
63 // For each level square says the texture index.
64 const unsigned char levelTexture[] =
65 {
66 // 0 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
67 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 0, 3, 0, 3, 3, 2, 2, 2, 2, // 0 20
68 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 1, 1, 1, 2, // 1 19
69 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 2, // 2 18
70 1, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 1, 1, 1, 2, // 3 17
71 1, 0, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 2, // 4 16
72 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 1, 1, 1, 2, // 5 15
73 1, 0, 1, 0, 0, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, // 6 14
74 1, 0, 1, 0, 0, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 0, 0, 0, 2, // 7 13
75 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, // 8 12
76 1, 1, 1, 0, 0, 0, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, // 9 11
77 1, 1, 1, 1, 0, 0, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, // 10 10
78 1, 1, 1, 1, 0, 0, 3, 3, 3, 3, 0, 0, 0, 0, 0, 3, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, // 11 9
79 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, // 12 8
80 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 3, 3, 3, 3, 3, // 13 7
81 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 0, 0, 0, 0, 0, // 14 6
82 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 3, 3, 3, 3, 3, // 15 5
83 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 3, 3, 3, 3, 3, // 16 4
84 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 3, 3, 3, 3, 3, // 17 3
85 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 3, 3, 3, 3, 3, // 18 2
86 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 3, 3, 3, 3, 3, // 19 1
87 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3 // 20 0
88 };
89
90 // For each level square says the floor height.
91 const signed char levelFloor[] =
92 {
93 // 0 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
94 40,40,40,40,40,40,40,40,48,40,48,40,40,40,40,40,40,48,40,48,40,48,40,48,48,24,24,26,28, // 0 20
95 40, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,40, 2, 2, 2,40,32,32,32,32,32,32,32,48, 2, 2, 2,26, // 1 19
96 40, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,40, 2, 2, 2,40, 0, 0, 0, 0, 0,32,32,40, 2, 2, 2,26, // 2 18
97 40,16,12, 8, 4, 0,48, 0, 0, 0, 0, 0,24, 2,24, 8,24, 0, 0, 9, 9, 0,28,32,48, 2, 2, 2,24, // 3 17
98 40,20,48,48,48,48,48, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 9, 9, 0,24,32,40, 0, 0, 0,24, // 4 16
99 40,24,48,40,40,40,40, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,20,32,48, 0, 0, 0,24, // 5 15
100 40,28,32,32,32,32, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 4, 8,12,16,32,40, 0, 0, 0,24, // 6 14
101 40,32,32,32,32,32, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,32,32,32,32,32,32,48, 0, 0, 0,24, // 7 13
102 40, 0,48,40,40,40,40, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,32,-3,-8,-8,-5,-2, 0, 0, 0, 0,24, // 8 12
103 40, 0,-3,-8,-8,-8,32, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,32,-3,-8,-8, 0, 0, 0, 0, 0, 0,24, // 9 11
104 40, 0,-6,-8,-8,-8,32, 0, 0, 0,48,48, 0,48,48, 0, 0,36,32,36,-8,-8, 0, 0, 0, 0, 0, 0,24, // 10 10
105 40, 0,48,-8,-8,-8,32,32,32,32,40, 1, 0, 1,40,32,32,32,32,32,-8,-8, 0, 0, 0, 0, 0, 0,24, // 11 9
106 40, 0,48,-8,-8,-8,-8,-8,-8,-8,-8, 0, 0, 0,-8,-8,-8,36,32,36,-8,-8, 0, 0, 0, 0, 0, 0,24, // 12 8
107 40, 0,48,-8,-8,-8,-8,-8,-8,-8,-8, 0, 0, 0,-8,-8,-8,-8,-8,-8,-8,-8, 0, 0, 0, 0, 0, 0,24, // 13 7
108 40, 0,48, 0,-2,-2, 0,-8,-8,-8,-8, 0, 0, 0,-8,-8, 0, 0, 0, 0, 0, 0, 0, 0,24,24,10,24,24, // 14 6
109 40, 0, 0, 0,-2,-2, 0, 0, 0, 0, 8, 0, 0, 0, 8, 0, 0, 0, 0, 0, 0, 0, 0, 0,24, 0, 0, 0,24, // 15 5
110 40, 0, 0, 0,-2,-2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,24, 0, 0, 0,24, // 16 4
111 40,24,48,-2,-2,-2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,24, // 17 3
112 0,24,48,48,-2,-2,-2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,24, // 18 2
113 0,24,48,48,48,-2,-2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,24, 0, 0, 0,24, // 19 1
114 0,24,24,24,32,32,32,27,24,27,30,34,36,38,36,34,36,34,34,32,32,33,37,39,24,24,24,24,24 // 20 0
115 };
116
117 #define XX 127 // helper to keep a big number two-characters, for formatting
118
119 // For each level square says the ceiling height.
120 const signed char levelCeiling[] =
121 {
122 // 0 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
123 40,40,40,40,40,40,40,XX,XX,XX,XX,36,40,40,40,40,40,36,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX, // 0 20
124 40,50,50,50,45,40,20,XX,XX,XX,XX,36,40,30,30,30,XX,36,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX, // 1 19
125 40,50,50,50,45,40,20,XX,XX,XX,XX,36,40,30,30,30,XX,36,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX, // 2 18
126 40,50,50,50,45,40,48,XX,XX,XX,XX,36,24,24,24,24,24,36,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX, // 3 17
127 40,50,48,48,48,48,47,XX,XX,XX,XX,36,36,36,36,36,36,36,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX, // 4 16
128 40,50,48,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX, // 5 15
129 40,50,48,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX, // 6 14
130 40,50,48,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX, // 7 13
131 40,50,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX, // 8 12
132 40,40,16,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX, // 9 11
133 40,30,16,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX, // 10 10
134 40,25,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX, // 11 9
135 40,20,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX, // 12 8
136 40,18,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,24,24,24,24,24,24, // 13 7
137 40,18,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,24,24,24,24,24,24, // 14 6
138 40,18,16,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,24,24,25,27,29,24, // 15 5
139 40,18,16,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,24,24,25,27,29,24, // 16 4
140 40,24,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,24,24,25,27,29,24, // 17 3
141 XX,24,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,24,24,25,27,29,24, // 18 2
142 XX,24,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,24,24,25,27,29,24, // 19 1
143 XX,24,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,24,24,24,24,24,24 // 20 0
144 };
145
146 #undef XX
147
148 const unsigned char texture1[] =
149 { 32, 32 // width, height
150 ,0x12,0x65,0x65,0x6d,0x24,0x64,0x5b,0x12,0x12,0x64,0x5b,0x5b,0x12,0x51
151 ,0x12,0x09,0x00,0x6d,0x6d,0x6d,0x24,0x5b,0x5b,0x52,0x12,0x5b,0x52,0x5b
152 ,0x12,0x5b,0x52,0x09,0x12,0x5b,0x5b,0x5b,0x52,0x5b,0x5b,0x52,0x00,0x64
153 ,0x64,0x52,0x52,0x52,0x5b,0x00,0x09,0x6d,0x5b,0x5a,0x5b,0x5b,0x5a,0x51
154 ,0x12,0x64,0x5b,0x52,0x5b,0x52,0x5b,0x08,0x12,0x24,0x5b,0x5b,0x5b,0x5b
155 ,0x09,0x11,0x00,0x64,0x5b,0x5b,0x5a,0x09,0x09,0x08,0x00,0x5b,0x5b,0x5b
156 ,0x5a,0x64,0x12,0x51,0x00,0x64,0x5b,0x52,0x52,0x11,0x09,0x09,0x12,0x24
157 ,0x5b,0x5b,0x52,0x5a,0x12,0x09,0x00,0x5b,0x52,0x09,0x12,0x09,0x09,0x09
158 ,0x00,0x24,0x5a,0x5a,0x5b,0x51,0x12,0x08,0x09,0x25,0x5b,0x52,0x5b,0x52
159 ,0x11,0x09,0x12,0x64,0x5b,0x52,0x09,0x11,0x12,0x09,0x00,0x12,0x00,0x12
160 ,0x00,0x00,0x00,0x08,0x09,0x64,0x5b,0x51,0x12,0x11,0x12,0x08,0x09,0x64
161 ,0x5a,0x5b,0x12,0x12,0x09,0x09,0x12,0x65,0x5c,0x52,0x5a,0x5b,0x51,0x09
162 ,0x00,0x64,0x6d,0x6d,0x5c,0x65,0x64,0x09,0x00,0x24,0x64,0x5b,0x09,0x12
163 ,0x11,0x00,0x09,0x64,0x5b,0x52,0x52,0x12,0x12,0x08,0x00,0x64,0x52,0x52
164 ,0x52,0x52,0x5b,0x09,0x00,0x6d,0x5b,0x5b,0x52,0x5b,0x51,0x09,0x00,0x1b
165 ,0x5b,0x12,0x12,0x12,0x12,0x09,0x12,0x5b,0x11,0x09,0x11,0x09,0x09,0x09
166 ,0x09,0x5b,0x09,0x09,0x09,0x09,0x09,0x09,0x12,0x65,0x5b,0x5b,0x5b,0x52
167 ,0x5b,0x09,0x00,0x64,0x12,0x63,0x5b,0x12,0x5b,0x09,0x00,0x00,0x00,0x00
168 ,0x00,0x09,0x00,0x00,0x00,0x09,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x5b
169 ,0x64,0x5b,0x09,0x5b,0x52,0x09,0x09,0x5b,0x11,0x52,0x09,0x12,0x09,0x08
170 ,0x00,0x1b,0x1b,0x23,0x1b,0x5a,0x5b,0x11,0x12,0x64,0x64,0x6d,0x24,0x5b
171 ,0x5b,0x09,0x00,0x5b,0x5a,0x52,0x52,0x09,0x08,0x09,0x12,0x5b,0x52,0x11
172 ,0x5a,0x11,0x12,0x08,0x08,0x1b,0x52,0x52,0x5b,0x5a,0x09,0x09,0x12,0x64
173 ,0x5b,0x64,0x12,0x12,0x12,0x08,0x00,0x00,0x00,0x12,0x09,0x00,0x09,0x00
174 ,0x12,0x24,0x5a,0x52,0x12,0x12,0x12,0x08,0x12,0x1b,0x12,0x5a,0x49,0x5a
175 ,0x52,0x09,0x12,0x6d,0x5b,0x52,0x5a,0x12,0x09,0x09,0x12,0x65,0x64,0x6d
176 ,0x6d,0x64,0x64,0x5b,0x00,0x5a,0x08,0x08,0x09,0x09,0x08,0x09,0x00,0x5b
177 ,0x5a,0x11,0x51,0x51,0x5a,0x09,0x12,0x6d,0x5b,0x5b,0x12,0x11,0x12,0x09
178 ,0x00,0x65,0x5b,0x64,0x5b,0x5b,0x5b,0x52,0x00,0x00,0x12,0x12,0x12,0x09
179 ,0x00,0x00,0x00,0x5a,0x52,0x52,0x09,0x52,0x09,0x09,0x12,0x63,0x5b,0x5a
180 ,0x09,0x5b,0x11,0x08,0x00,0x65,0x5b,0x5b,0x52,0x5b,0x52,0x52,0x00,0x65
181 ,0x6d,0x64,0x65,0x64,0x64,0x5b,0x00,0x5b,0x12,0x09,0x11,0x09,0x09,0x09
182 ,0x09,0x5b,0x11,0x08,0x09,0x09,0x09,0x08,0x00,0x64,0x64,0x5b,0x5b,0x5b
183 ,0x5b,0x09,0x00,0x5b,0x5b,0x5b,0x5b,0x5b,0x52,0x52,0x00,0x64,0x51,0x52
184 ,0x52,0x52,0x09,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x12,0x00,0x00,0x5b
185 ,0x5b,0x5b,0x52,0x52,0x5b,0x09,0x12,0x65,0x5b,0x5b,0x5b,0x52,0x5b,0x09
186 ,0x00,0x63,0x5a,0x51,0x51,0x51,0x5a,0x08,0x12,0x24,0x64,0x65,0x24,0x64
187 ,0x64,0x5b,0x00,0x5b,0x5b,0x52,0x5b,0x5b,0x52,0x09,0x00,0x64,0x5b,0x5b
188 ,0x12,0x52,0x5a,0x09,0x12,0x24,0x52,0x52,0x09,0x52,0x52,0x08,0x12,0x64
189 ,0x64,0x5b,0x5b,0x5b,0x64,0x52,0x00,0x6d,0x5b,0x52,0x5b,0x52,0x52,0x08
190 ,0x00,0x5b,0x5b,0x52,0x52,0x5b,0x52,0x09,0x00,0x1b,0x52,0x51,0x5a,0x52
191 ,0x09,0x09,0x12,0x64,0x52,0x5c,0x5b,0x64,0x5b,0x51,0x09,0x6d,0x5b,0x52
192 ,0x5b,0x52,0x11,0x09,0x00,0x64,0x5a,0x64,0x5b,0x52,0x5b,0x08,0x00,0x11
193 ,0x09,0x49,0x08,0x09,0x00,0x09,0x00,0x64,0x64,0x5b,0x52,0x5b,0x5b,0x09
194 ,0x12,0x65,0x64,0x5b,0x52,0x5b,0x52,0x09,0x12,0x64,0x64,0x64,0x52,0x09
195 ,0x5c,0x08,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x12,0x64,0x5b,0x64
196 ,0x52,0x5b,0x52,0x49,0x00,0x64,0x5b,0x52,0x52,0x5b,0x51,0x09,0x09,0x5b
197 ,0x09,0x09,0x09,0x08,0x09,0x12,0x00,0x6d,0x24,0x6d,0x24,0x64,0x64,0x5b
198 ,0x00,0x64,0x63,0x5b,0x5b,0x52,0x52,0x09,0x12,0x64,0x5b,0x5b,0x52,0x11
199 ,0x5b,0x09,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x09,0x12,0x6d,0x64,0x5b
200 ,0x52,0x64,0x5b,0x52,0x12,0x6d,0x5b,0x5b,0x5b,0x5b,0x5b,0x09,0x00,0x64
201 ,0x11,0x5a,0x52,0x5b,0x52,0x09,0x00,0x5b,0x5a,0x63,0x5a,0x23,0x12,0x00
202 ,0x12,0x6d,0x5b,0x11,0x5b,0x64,0x64,0x52,0x12,0x63,0x5b,0x5b,0x5b,0x5b
203 ,0x52,0x08,0x00,0x5c,0x52,0x5b,0x5b,0x52,0x52,0x08,0x08,0x5b,0x52,0x51
204 ,0x09,0x52,0x5a,0x09,0x00,0x6d,0x52,0x11,0x52,0x5b,0x52,0x09,0x12,0x64
205 ,0x5a,0x5b,0x52,0x5b,0x5b,0x08,0x00,0x5b,0x52,0x09,0x09,0x09,0x09,0x09
206 ,0x09,0x24,0x52,0x09,0x12,0x09,0x52,0x08,0x00,0x5b,0x5a,0x52,0x12,0x5b
207 ,0x5b,0x09,0x00,0x65,0x52,0x5b,0x5b,0x52,0x11,0x09,0x09,0x00,0x00,0x00
208 ,0x00,0x12,0x00,0x08,0x00,0x5b,0x52,0x51,0x09,0x09,0x09,0x09,0x00,0x64
209 ,0x5b,0x52,0x52,0x09,0x5b,0x09,0x12,0x6d,0x5b,0x5b,0x5b,0x5b,0x5a,0x11
210 ,0x00,0x6d,0x6d,0x24,0x64,0x64,0x5b,0x5b,0x00,0x5a,0x12,0x52,0x12,0x09
211 ,0x12,0x08,0x00,0x5b,0x12,0x09,0x09,0x09,0x08,0x09,0x00,0x64,0x5b,0x5b
212 ,0x52,0x5a,0x5b,0x09,0x12,0x6d,0x64,0x5a,0x5b,0x5b,0x5b,0x5b,0x00,0x5a
213 ,0x11,0x52,0x09,0x12,0x09,0x09,0x09,0x00,0x00,0x00,0x00,0x12,0x12,0x12
214 ,0x12,0x64,0x52,0x5b,0x5b,0x5b,0x5b,0x09,0x12,0x6d,0x12,0x5b,0x12,0x52
215 ,0x5b,0x52,0x09,0x5a,0x09,0x51,0x09,0x09,0x09,0x09,0x09,0x5c,0x64,0x6d
216 ,0x1b,0x24,0x64,0x08,0x12,0x64,0x5b,0x52,0x5b,0x5b,0x52,0x09,0x00,0x5b
217 ,0x5b,0x52,0x11,0x5b,0x12,0x09,0x08,0x5b,0x5a,0x09,0x51,0x52,0x12,0x08
218 ,0x00,0x5b,0x5b,0x11,0x5b,0x5b,0x5b,0x08,0x09,0x5b,0x12,0x52,0x52,0x09
219 ,0x09,0x09,0x00,0x6d,0x5b,0x52,0x52,0x12,0x12,0x09,0x08,0x11,0x00,0x49
220 ,0x09,0x00,0x09,0x00,0x00,0x6d,0x12,0x5b,0x52,0x5b,0x52,0x09,0x00,0x00
221 ,0x09,0x09,0x12,0x00,0x12,0x00,0x00,0x64,0x52,0x5b,0x52,0x5b,0x52,0x09
222 ,0x09,0x00,0x00,0x00,0x00,0x09,0x00,0x00,0x00,0x64,0x52,0x5b,0x5b,0x52
223 ,0x52,0x09
224 };
225
226 const unsigned char texture2[] =
227 { 32, 32 // width, height
228 ,0x65,0x1d,0x01,0x1c,0x12,0x0a,0x01,0x13,0x14,0x6e,0x2e,0x0b,0x1c,0x1d
229 ,0x2e,0x1d,0x13,0x0b,0x13,0x65,0x1d,0x1d,0x13,0x66,0x6f,0x6e,0x65,0x6f
230 ,0x77,0x7f,0x6f,0x6f,0x1d,0x14,0x13,0x6e,0x6e,0x66,0x6f,0x77,0x77,0x6f
231 ,0x66,0x66,0x13,0x25,0x0a,0x01,0x6e,0x66,0x01,0x12,0x02,0x01,0x1b,0x6e
232 ,0x77,0x77,0x77,0x77,0x77,0x6f,0x6f,0x6e,0x1c,0x1d,0x1c,0x77,0x67,0x6f
233 ,0x6f,0x77,0x67,0x77,0x77,0x66,0x13,0x0a,0x14,0x77,0x66,0x6f,0x77,0x66
234 ,0x1b,0x13,0x66,0x77,0x6f,0x77,0x6f,0x6f,0x6f,0x26,0x6e,0x1d,0x25,0x14
235 ,0x13,0x6e,0x6f,0x6f,0x77,0x6f,0x77,0x77,0x77,0x1d,0x1d,0x01,0x25,0x67
236 ,0x7f,0x6f,0x6f,0x66,0x66,0x14,0x66,0x6f,0x7f,0x6f,0x77,0x6f,0x1d,0x25
237 ,0x1d,0x66,0x1d,0x65,0x14,0x2e,0x26,0x77,0x6d,0x67,0x6f,0x25,0x6f,0x5e
238 ,0x5d,0x0b,0x5d,0x6f,0x6f,0x26,0x1d,0x77,0x66,0x1c,0x13,0x6f,0x6f,0x6f
239 ,0x66,0x67,0x66,0x65,0x6e,0x1c,0x1b,0x0a,0x01,0x1d,0x65,0x1e,0x6f,0x6e
240 ,0x67,0x66,0x66,0x65,0x14,0x1c,0x25,0x65,0x6e,0x66,0x66,0x6e,0x66,0x1c
241 ,0x02,0x1d,0x77,0x6e,0x77,0x66,0x25,0x13,0x5c,0x1d,0x0a,0x14,0x0b,0x14
242 ,0x6e,0x65,0x1d,0x66,0x1d,0x66,0x1d,0x66,0x14,0x25,0x14,0x6e,0x66,0x25
243 ,0x66,0x5d,0x66,0x25,0x0a,0x6e,0x6f,0x6f,0x6e,0x1d,0x13,0x65,0x5c,0x01
244 ,0x0a,0x15,0x1d,0x0a,0x01,0x5d,0x6e,0x5c,0x25,0x1d,0x1e,0x26,0x1d,0x1b
245 ,0x14,0x25,0x25,0x1d,0x14,0x1d,0x14,0x13,0x01,0x25,0x6e,0x25,0x25,0x25
246 ,0x1d,0x1c,0x01,0x0a,0x14,0x14,0x5d,0x14,0x14,0x0a,0x1d,0x5d,0x1c,0x6e
247 ,0x1d,0x65,0x5d,0x1d,0x0a,0x01,0x14,0x1c,0x25,0x0a,0x01,0x12,0x1c,0x0b
248 ,0x01,0x1c,0x14,0x25,0x0b,0x1b,0x25,0x14,0x25,0x02,0x1d,0x25,0x1d,0x09
249 ,0x13,0x1c,0x1d,0x66,0x1d,0x1c,0x0b,0x14,0x0b,0x65,0x2d,0x09,0x0a,0x09
250 ,0x14,0x66,0x6f,0x66,0x66,0x1c,0x0a,0x01,0x0b,0x14,0x66,0x1c,0x1d,0x1c
251 ,0x66,0x66,0x65,0x6e,0x1c,0x09,0x1c,0x1d,0x14,0x1c,0x0b,0x01,0x1d,0x6e
252 ,0x77,0x66,0x1c,0x1c,0x6e,0x6f,0x6f,0x77,0x7f,0x77,0x5e,0x6e,0x6f,0x67
253 ,0x6f,0x6f,0x0a,0x0a,0x66,0x67,0x66,0x25,0x13,0x1c,0x24,0x14,0x25,0x1c
254 ,0x0b,0x1d,0x6e,0x77,0x7f,0x77,0x5e,0x1c,0x65,0x6f,0x7f,0x6e,0x6f,0x77
255 ,0x6f,0x67,0x6f,0x6f,0x66,0x25,0x14,0x6f,0x6f,0x77,0x6f,0x67,0x6e,0x13
256 ,0x0a,0x09,0x13,0x12,0x1d,0x66,0x6f,0x66,0x5e,0x6e,0x66,0x25,0x14,0x25
257 ,0x26,0x25,0x6f,0x1d,0x77,0x6f,0x66,0x6e,0x66,0x1c,0x12,0x6f,0x6f,0x67
258 ,0x77,0x1d,0x77,0x13,0x66,0x77,0x6f,0x6f,0x6f,0x77,0x6f,0x66,0x77,0x77
259 ,0x6f,0x6e,0x13,0x25,0x26,0x25,0x66,0x65,0x66,0x66,0x6e,0x66,0x6e,0x14
260 ,0x09,0x66,0x6f,0x6e,0x2f,0x6e,0x26,0x1c,0x6f,0x66,0x6f,0x7f,0x6f,0x7f
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262 ,0x6e,0x1d,0x1d,0x0a,0x14,0x6f,0x77,0x77,0x2e,0x25,0x1c,0x0a,0x65,0x6f
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264 ,0x09,0x0a,0x0b,0x14,0x1d,0x0a,0x14,0x13,0x66,0x6f,0x6f,0x25,0x1c,0x5d
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266 ,0x1d,0x0a,0x66,0x6f,0x66,0x2e,0x6e,0x6e,0x14,0x13,0x12,0x14,0x6f,0x6f
267 ,0x6e,0x6e,0x25,0x0a,0x13,0x12,0x6e,0x6f,0x66,0x6f,0x66,0x65,0x66,0x6f
268 ,0x66,0x25,0x66,0x25,0x0a,0x01,0x6e,0x77,0x77,0x6f,0x6f,0x6e,0x6e,0x14
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270 ,0x1d,0x6f,0x66,0x1d,0x1d,0x1d,0x6e,0x1d,0x0b,0x6e,0x6f,0x77,0x7f,0x6f
271 ,0x77,0x77,0x66,0x66,0x13,0x5d,0x13,0x0a,0x01,0x1c,0x13,0x0a,0x6e,0x09
272 ,0x1d,0x65,0x25,0x66,0x66,0x6e,0x65,0x25,0x65,0x6e,0x1d,0x65,0x13,0x65
273 ,0x6f,0x77,0x67,0x7f,0x6f,0x77,0x6f,0x6e,0x14,0x1c,0x1c,0x6e,0x77,0x6e
274 ,0x77,0x6f,0x25,0x0a,0x1c,0x1d,0x1d,0x66,0x1d,0x6e,0x15,0x26,0x25,0x5e
275 ,0x25,0x13,0x1d,0x77,0x77,0x66,0x66,0x6e,0x6f,0x77,0x7f,0x6e,0x12,0x13
276 ,0x66,0x77,0x6f,0x77,0x6f,0x77,0x26,0x6f,0x0b,0x25,0x1c,0x25,0x25,0x25
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279 ,0x14,0x1d,0x1c,0x1d,0x1d,0x14,0x1d,0x0a,0x09,0x1c,0x66,0x77,0x66,0x67
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281 ,0x6f,0x6e,0x66,0x0a,0x01,0x13,0x1d,0x14,0x65,0x14,0x02,0x01,0x1d,0x1c
282 ,0x13,0x66,0x2e,0x66,0x77,0x6e,0x1e,0x25,0x25,0x6e,0x0a,0x13,0x6e,0x67
283 ,0x26,0x67,0x6f,0x77,0x67,0x6f,0x1d,0x6e,0x14,0x0a,0x01,0x13,0x01,0x25
284 ,0x66,0x77,0x66,0x65,0x1c,0x0b,0x66,0x25,0x66,0x66,0x25,0x6e,0x66,0x1d
285 ,0x14,0x0a,0x1d,0x66,0x66,0x66,0x6f,0x6e,0x6f,0x6f,0x5d,0x1d,0x0a,0x25
286 ,0x26,0x6f,0x6f,0x6f,0x7f,0x6f,0x6f,0x6f,0x77,0x0a,0x09,0x1d,0x6f,0x6e
287 ,0x15,0x25,0x1c,0x1d,0x1d,0x13,0x25,0x66,0x1c,0x6e,0x66,0x26,0x66,0x66
288 ,0x25,0x1c,0x0a,0x66,0x6f,0x7f,0x6f,0x6f,0x6f,0x66,0x6f,0x77,0x6e,0x66
289 ,0x0a,0x1b,0x26,0x1d,0x5e,0x1d,0x65,0x13,0x0a,0x1d,0x66,0x6e,0x25,0x6e
290 ,0x1d,0x1d,0x6e,0x25,0x13,0x1d,0x14,0x5e,0x77,0x27,0x7f,0x77,0x7f,0x67
291 ,0x66,0x67,0x1d,0x1d,0x13,0x09,0x76,0x66,0x24,0x1c,0x1b,0x13,0x13,0x1d
292 ,0x25,0x25,0x5e,0x1d,0x6e,0x25,0x1c,0x25,0x66,0x1d,0x09,0x1d,0x77,0x6f
293 ,0x66,0x6f,0x66,0x66,0x66,0x6e,0x65,0x66,0x65,0x1c,0x1d,0x1d,0x65,0x14
294 ,0x1c,0x25,0x0a,0x0a,0x0a,0x25,0x1d,0x66,0x14,0x25,0x66,0x6e,0x1d,0x25
295 ,0x09,0x1c,0x66,0x77,0x6f,0x66,0x7f,0x77,0x1d,0x6e,0x1c,0x1d,0x1d,0x0a
296 ,0x25,0x66,0x1d,0x25,0x13,0x0a,0x1d,0x14,0x1e,0x13,0x1d,0x14,0x65,0x66
297 ,0x66,0x25,0x1d,0x14,0x0a,0x14,0x15,0x65,0x7f,0x77,0x66,0x25,0x1d,0x1d
298 ,0x1d,0x6e,0x1c,0x14,0x13,0x65,0x1d,0x1c,0x0a,0x0a,0x65,0x1d,0x25,0x0a
299 ,0x1c,0x1d,0x1c,0x25,0x1d,0x1c,0x14,0x01,0x1b,0x0a,0x1d,0x65,0x6f,0x1d
300 ,0x66,0x65,0x6e,0x66,0x1d,0x14,0x0a,0x0a,0x1b,0x12,0x1c,0x0a,0x14,0x6e
301 ,0x66,0x25
302 };
303
304 const unsigned char texture3[] =
305 { 32, 32 // width, height
306 ,0xb6,0x3d,0x33,0x33,0x3e,0x33,0x2a,0x29,0x2a,0x29,0x2a,0x20,0x29,0x29
307 ,0x2a,0x29,0x10,0x10,0x10,0x49,0x58,0x99,0x50,0x50,0x10,0x4b,0x54,0x54
308 ,0x55,0x55,0x4a,0x49,0x29,0x3d,0x3d,0x7c,0x3d,0x33,0x34,0x3d,0x33,0x33
309 ,0x33,0x20,0x20,0x29,0x10,0x20,0x10,0x50,0x10,0x49,0x10,0x99,0x51,0x51
310 ,0x33,0x10,0x53,0x66,0x67,0x15,0x54,0x4b,0x7f,0x33,0x7f,0x3d,0x3e,0x3d
311 ,0x33,0x3d,0x29,0x29,0x2a,0x20,0x20,0x2a,0x10,0x20,0x10,0x51,0x50,0x50
312 ,0x58,0x51,0x51,0x51,0x33,0x33,0x10,0x55,0x5e,0x67,0x26,0x66,0x29,0x7f
313 ,0x3e,0x3d,0x3d,0x33,0x3d,0x33,0x29,0x10,0x10,0x20,0x33,0x10,0x10,0x2a
314 ,0x58,0x59,0x50,0x10,0x51,0x51,0x10,0x51,0x52,0x37,0x37,0x10,0x10,0x5d
315 ,0x53,0x55,0x6c,0x3e,0x3d,0x33,0x33,0x3d,0x33,0x29,0x10,0x2a,0x20,0x20
316 ,0x29,0x20,0x10,0x10,0x58,0x10,0x10,0x10,0x58,0x49,0x51,0x99,0x49,0x37
317 ,0x37,0x33,0x33,0x10,0x10,0x49,0x7f,0x7f,0x33,0x3d,0x3d,0x7f,0x33,0x3e
318 ,0x29,0x2a,0x29,0x2a,0x29,0x2a,0x20,0x20,0x20,0x50,0x51,0x10,0x58,0x51
319 ,0x51,0x99,0x49,0x00,0x33,0x10,0x10,0x10,0x10,0x10,0x3d,0x7f,0x3d,0x33
320 ,0x3d,0x3d,0x33,0x2a,0x2a,0x20,0x29,0x29,0x29,0x10,0x20,0x19,0x10,0x19
321 ,0x51,0x50,0x58,0x51,0x49,0x99,0x00,0x00,0x10,0x10,0x33,0x33,0x33,0x10
322 ,0x3d,0x7f,0x7f,0x33,0x3e,0x33,0x33,0x33,0x29,0x20,0x33,0x2a,0x20,0x58
323 ,0x58,0x19,0x19,0x51,0x10,0x51,0x59,0x51,0x51,0x51,0x00,0x10,0x10,0x00
324 ,0x00,0x10,0x10,0x10,0x3d,0xb6,0x2a,0x3e,0x33,0x3d,0x33,0x3d,0x2a,0x10
325 ,0x20,0x2a,0x10,0x58,0x58,0x19,0x50,0x19,0x58,0x10,0x58,0x99,0x51,0x49
326 ,0x00,0x00,0x00,0x00,0x00,0x00,0x10,0x10,0x3d,0x2a,0x6c,0x3d,0x3e,0x33
327 ,0x33,0x29,0x33,0x29,0x10,0x29,0x20,0x69,0x58,0x10,0x19,0x10,0x99,0x10
328 ,0x58,0x99,0x49,0x99,0x51,0x00,0x00,0x00,0x10,0x10,0x10,0x53,0xb6,0x3d
329 ,0x6c,0x33,0x33,0x33,0x3d,0x29,0x20,0x33,0x20,0x20,0x29,0x20,0x51,0x51
330 ,0x51,0x50,0x99,0x58,0x99,0x49,0x99,0x49,0x00,0x00,0x00,0x10,0x10,0x00
331 ,0x00,0x53,0x29,0x3e,0x7f,0x29,0x33,0x2a,0x33,0x29,0x29,0x33,0x20,0x29
332 ,0x10,0x58,0x10,0x49,0x51,0x58,0x99,0x49,0x49,0x51,0x51,0x00,0x00,0x00
333 ,0x00,0x00,0x00,0x00,0x53,0x33,0x29,0x33,0x7e,0x33,0xb6,0x2a,0x33,0x29
334 ,0x20,0x10,0x29,0x20,0x10,0x58,0x59,0x10,0x50,0x99,0x49,0x49,0x49,0x49
335 ,0x51,0x9a,0x4b,0x53,0x53,0x4a,0x4a,0x15,0x37,0x37,0x2d,0x7c,0x3e,0x3d
336 ,0x7f,0x29,0x2a,0x10,0x29,0x10,0x10,0x20,0x29,0x58,0x51,0x51,0x99,0x51
337 ,0x49,0x49,0x99,0x10,0x49,0x49,0x4a,0x4b,0x53,0x56,0x56,0x33,0x37,0x37
338 ,0x6c,0x33,0x3d,0x3d,0x3d,0x7f,0x20,0x10,0x29,0x10,0x10,0x99,0x10,0x58
339 ,0x51,0x49,0x49,0x49,0x49,0x58,0x49,0x51,0x4a,0x4b,0x4b,0x54,0x66,0x67
340 ,0x67,0x33,0x10,0x10,0xb6,0x3d,0x33,0x7f,0x29,0x3d,0x33,0x33,0x29,0x29
341 ,0xac,0x58,0x10,0x49,0x49,0x49,0x49,0x49,0x49,0x50,0x59,0x51,0x51,0x51
342 ,0x54,0x15,0x66,0x5e,0x33,0x10,0x56,0x54,0xb6,0x3d,0x33,0x33,0x3e,0x33
343 ,0x29,0x33,0x33,0x33,0x10,0x10,0x10,0x51,0x49,0x49,0x49,0x49,0x49,0x49
344 ,0x58,0x50,0x50,0x49,0x4b,0x54,0x54,0x55,0x55,0x55,0x4a,0x49,0x29,0x3d
345 ,0x3d,0x7c,0x7f,0x6c,0x2a,0x29,0x10,0x10,0x10,0x19,0x20,0x10,0x99,0x51
346 ,0x51,0x49,0x49,0x49,0x10,0x51,0x51,0x51,0x52,0x53,0x66,0x67,0x67,0x15
347 ,0x54,0x4b,0x29,0x33,0x7f,0x3d,0x6c,0x29,0x33,0x20,0x29,0x10,0x20,0x20
348 ,0x99,0x10,0x99,0x51,0x58,0x99,0x49,0x49,0x49,0x51,0x51,0x4b,0x4b,0x53
349 ,0x55,0x5e,0x5e,0x67,0x26,0x66,0x29,0x7f,0x3e,0x3d,0x29,0x29,0x33,0x2a
350 ,0x2a,0x20,0x33,0x20,0x61,0x20,0x58,0x10,0x10,0x99,0x99,0x49,0x49,0x10
351 ,0x51,0x52,0x4a,0x4b,0x53,0x54,0x54,0x5d,0x53,0x55,0x6c,0x7f,0x6c,0x29
352 ,0x33,0x3d,0x2a,0x20,0x29,0x2a,0x10,0x2a,0x20,0x20,0x58,0x10,0x10,0x58
353 ,0x99,0x51,0x51,0x49,0x99,0x00,0x00,0x00,0x00,0x00,0x10,0x00,0x54,0x54
354 ,0xb6,0xb6,0x33,0x3d,0x3e,0x3e,0x2a,0x33,0x20,0x2a,0x20,0x33,0x2a,0x58
355 ,0x58,0x50,0x10,0x58,0x10,0x10,0x58,0x99,0x00,0x99,0x00,0x00,0x00,0x00
356 ,0x33,0x10,0x00,0x49,0xb6,0x29,0x3f,0x33,0x33,0x33,0x3d,0x33,0x20,0x2a
357 ,0x33,0x2a,0x29,0x58,0x99,0x10,0x50,0x10,0x10,0x10,0x10,0x99,0x51,0x00
358 ,0x51,0x00,0x10,0x10,0x33,0x33,0x10,0x00,0x3d,0x6c,0x3d,0x33,0x3e,0x33
359 ,0x33,0x2a,0x2a,0x2a,0x33,0x29,0x10,0x58,0x58,0x10,0x10,0x10,0x51,0x10
360 ,0x50,0x99,0x51,0x51,0x00,0x00,0x00,0x10,0x10,0x37,0x37,0x10,0x7f,0xb6
361 ,0x33,0x3d,0x33,0x3f,0x2a,0x33,0x2a,0x33,0x29,0x10,0x10,0x29,0x10,0x33
362 ,0x10,0x50,0x49,0x10,0x51,0x51,0x51,0x51,0x51,0x00,0x00,0x00,0x00,0x33
363 ,0x37,0x33,0x3d,0x2a,0x3d,0x3d,0x3e,0x33,0x33,0x2a,0x2a,0x33,0x33,0x10
364 ,0x2a,0x20,0x10,0x10,0x10,0x50,0x49,0x58,0x51,0x51,0x58,0x99,0x00,0x00
365 ,0x00,0x00,0x00,0x10,0x33,0x33,0x7f,0x3d,0x33,0x7f,0x3d,0x3d,0x33,0x3d
366 ,0x20,0x29,0x20,0x33,0x2a,0x10,0x10,0x2a,0x10,0x10,0x10,0x58,0x99,0x51
367 ,0x59,0x99,0x00,0x00,0x00,0x00,0x10,0x10,0x10,0x33,0x29,0x3e,0x3d,0x3d
368 ,0x7c,0x3e,0x2a,0x3d,0x2c,0x2a,0x20,0x33,0x29,0x20,0x10,0x2a,0x10,0x10
369 ,0x49,0x10,0x99,0x49,0x51,0x51,0x49,0x00,0x10,0x10,0x10,0x10,0x53,0x14
370 ,0x29,0x33,0x7e,0x33,0x3d,0x3d,0x33,0x33,0x29,0x20,0x20,0x33,0x20,0x20
371 ,0x20,0x20,0x10,0x51,0x50,0x10,0x99,0x49,0x49,0x51,0x9a,0x4b,0x53,0x53
372 ,0x4a,0x15,0x56,0x54,0x2d,0x7c,0x3e,0x3d,0x3d,0x7e,0x3d,0x3d,0x2a,0x33
373 ,0x10,0x29,0x2a,0x29,0x10,0x20,0x10,0x58,0x58,0x58,0x99,0x51,0x10,0x49
374 ,0x49,0x4a,0x4b,0x53,0x56,0x54,0x4b,0x54,0x6c,0x33,0x3d,0x3d,0x3d,0x33
375 ,0x3d,0x33,0x29,0x33,0x20,0x20,0x20,0x10,0x2a,0x10,0x50,0x99,0x58,0x58
376 ,0x51,0x51,0x51,0x4a,0x4b,0x4b,0x54,0x66,0x67,0x56,0x2e,0x5e,0xb6,0x3d
377 ,0x33,0x7f,0x29,0x3d,0x2a,0x29,0x33,0x29,0x20,0x2a,0x10,0x10,0x2a,0x10
378 ,0x10,0x50,0x10,0x50,0x59,0x51,0x51,0x51,0x51,0x54,0x15,0x66,0x5e,0x15
379 ,0x56,0x54
380 };
381
382 const unsigned char texture4[] =
383 { 32, 32 // width, height
384 ,0x12,0x1c,0x65,0x65,0x65,0x65,0x1c,0x1c,0x1c,0x1c,0x1c,0x1b,0x1b,0x1b
385 ,0x13,0x00,0x5b,0x5b,0xad,0xad,0xad,0xad,0x5b,0x00,0x64,0xad,0xad,0x64
386 ,0x64,0x64,0x5b,0x00,0x1c,0x1b,0x1b,0x1b,0x13,0x13,0x12,0x13,0x12,0x12
387 ,0x12,0x12,0x0a,0x0a,0x09,0x00,0x5b,0x5b,0xad,0xad,0xad,0x64,0x5b,0x00
388 ,0xad,0x64,0x64,0x64,0x64,0x64,0x5b,0x00,0x65,0x1b,0x1b,0x13,0x13,0x12
389 ,0x0a,0x0a,0x12,0x0a,0x0a,0x0a,0x0a,0x09,0x09,0x00,0x5b,0x5b,0xad,0xad
390 ,0xad,0x64,0x5b,0x00,0xad,0x64,0x64,0x64,0x64,0x64,0x5b,0x00,0x65,0x1b
391 ,0x13,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x09,0x0a,0x09,0x00
392 ,0x5b,0x5b,0xad,0xad,0x64,0x64,0x5b,0x00,0x64,0x64,0x64,0x64,0x64,0x64
393 ,0x12,0x00,0x65,0x13,0x12,0x00,0x09,0x09,0x0a,0x09,0x09,0x09,0x09,0x09
394 ,0x13,0x0a,0x09,0x00,0x5b,0x5b,0xad,0x64,0x64,0x5b,0x5b,0x00,0x64,0x64
395 ,0x64,0x64,0x64,0x64,0x5b,0x00,0x65,0x13,0x12,0x00,0x09,0x0a,0x12,0x12
396 ,0x0a,0x12,0x12,0x0a,0x1b,0x0a,0x09,0x00,0x5b,0x5b,0x64,0x64,0x5b,0x64
397 ,0x5b,0x00,0x64,0x64,0x64,0x64,0x64,0x64,0x5b,0x00,0x65,0x12,0x13,0x00
398 ,0x09,0x12,0x0a,0x0a,0x12,0x0a,0x0a,0x0a,0x1c,0x09,0x0a,0x00,0x5b,0x5b
399 ,0x64,0x64,0x64,0x64,0x5b,0x00,0x5b,0x5b,0x5b,0x12,0x5b,0x12,0x5b,0x00
400 ,0x65,0x13,0x12,0x00,0x09,0x12,0x0a,0x0a,0x0a,0x09,0x0a,0x09,0x1c,0x0a
401 ,0x0a,0x00,0x5b,0x5b,0xad,0x64,0x5b,0x64,0x5b,0x00,0x00,0x00,0x00,0x00
402 ,0x00,0x00,0x00,0x00,0x1c,0x12,0x0a,0x00,0x09,0x12,0x0a,0x0a,0x09,0x0a
403 ,0x09,0x09,0x1c,0x0a,0x0a,0x00,0x52,0x52,0x64,0x64,0x64,0x5b,0x5b,0x00
404 ,0xad,0xad,0xad,0xad,0xad,0xad,0x5b,0x00,0x1c,0x12,0x0a,0x00,0x09,0x0a
405 ,0x0a,0x0a,0x09,0x09,0x09,0x09,0x65,0x0a,0x09,0x00,0x5b,0x52,0x64,0x64
406 ,0x5b,0x64,0x5b,0x00,0xad,0xad,0xad,0xad,0xad,0x64,0x5b,0x00,0x1b,0x0a
407 ,0x12,0x00,0x09,0x0a,0x09,0x09,0x0a,0x0a,0x09,0x09,0x65,0x09,0x09,0x00
408 ,0x5b,0x5b,0x5b,0x64,0x5b,0x5b,0x5b,0x00,0xad,0xad,0xad,0xad,0xad,0x64
409 ,0x5b,0x00,0x1b,0x12,0x0a,0x00,0x09,0x0a,0x0a,0x09,0x0a,0x09,0x09,0x0a
410 ,0x1c,0x09,0x09,0x00,0x52,0x12,0x64,0x64,0x64,0x5b,0x5b,0x00,0xad,0xad
411 ,0xad,0xad,0x64,0x64,0x5b,0x00,0x1b,0x0a,0x09,0x09,0x13,0x1b,0x1c,0x1c
412 ,0x65,0x65,0x1c,0x1c,0x1b,0x09,0x09,0x00,0x5b,0x52,0x64,0x64,0x64,0x5b
413 ,0x12,0x00,0xad,0xad,0xad,0x64,0x64,0x5b,0x5b,0x00,0x1b,0x0a,0x09,0x0a
414 ,0x09,0x09,0x09,0x0a,0x09,0x0a,0x09,0x09,0x09,0x09,0x09,0x00,0x12,0x12
415 ,0x5b,0x5b,0x5b,0x5b,0x5b,0x00,0xad,0xad,0x64,0x64,0x5b,0x5b,0x12,0x00
416 ,0x13,0x09,0x09,0x09,0x09,0x09,0x0a,0x0a,0x09,0x09,0x09,0x09,0x09,0x09
417 ,0x09,0x00,0x09,0x09,0x5b,0x12,0x12,0x12,0x12,0x00,0xad,0xad,0x64,0x64
418 ,0x64,0x64,0x5b,0x00,0x0a,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00
419 ,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00
420 ,0xad,0x64,0x64,0x5b,0x5b,0x5b,0x12,0x00,0x12,0x1c,0x65,0x65,0x65,0x65
421 ,0x1c,0x1c,0x1c,0x1c,0x1c,0x1b,0x1b,0x1b,0x13,0x00,0x5b,0x5b,0xad,0x64
422 ,0xad,0xad,0x5b,0x00,0x64,0x64,0x64,0x5b,0x5b,0x64,0x5b,0x00,0x1c,0x1b
423 ,0x1b,0x1b,0x1b,0x13,0x12,0x13,0x12,0x12,0x12,0x12,0x0a,0x0a,0x09,0x00
424 ,0x5b,0x5b,0xad,0xad,0xad,0x64,0x5b,0x00,0xad,0x64,0x5b,0x5b,0x5b,0x5b
425 ,0x5b,0x00,0x65,0x1b,0x1b,0x13,0x13,0x12,0x0a,0x0a,0x12,0x0a,0x0a,0x0a
426 ,0x0a,0x09,0x09,0x00,0x5b,0x5b,0xad,0x64,0x64,0x64,0x5b,0x00,0x64,0x64
427 ,0x64,0x64,0x5b,0x5b,0x5b,0x00,0x65,0x13,0x1b,0x00,0x00,0x00,0x00,0x00
428 ,0x00,0x00,0x00,0x00,0x09,0x0a,0x09,0x00,0x5b,0x5b,0x64,0x64,0x64,0x64
429 ,0x5b,0x00,0x64,0x64,0x64,0x64,0x5b,0x64,0x5b,0x00,0x65,0x1b,0x13,0x00
430 ,0x09,0x09,0x0a,0x09,0x09,0x09,0x09,0x09,0x1b,0x0a,0x09,0x00,0x5b,0x5b
431 ,0xad,0x64,0x5b,0x64,0x5b,0x00,0x64,0x64,0x64,0x64,0x5b,0x5b,0x5b,0x00
432 ,0x65,0x13,0x12,0x00,0x09,0x0a,0x12,0x12,0x0a,0x12,0x12,0x12,0x1b,0x0a
433 ,0x09,0x00,0x5b,0x52,0x64,0x64,0x5b,0x5b,0x5b,0x00,0x64,0x64,0x64,0x64
434 ,0x5b,0x5b,0x12,0x00,0x65,0x12,0x13,0x00,0x09,0x12,0x0a,0x0a,0x0a,0x0a
435 ,0x0a,0x0a,0x1c,0x09,0x0a,0x00,0x5b,0x5b,0x64,0x64,0x5b,0x64,0x5b,0x00
436 ,0x5b,0x5b,0x5b,0x5b,0x5b,0x12,0x5b,0x00,0x65,0x13,0x12,0x00,0x09,0x12
437 ,0x0a,0x0a,0x0a,0x09,0x0a,0x09,0x1c,0x0a,0x0a,0x00,0x5b,0x52,0x64,0x5b
438 ,0x64,0x5b,0x5b,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x1c,0x12
439 ,0x0a,0x00,0x09,0x12,0x0a,0x0a,0x09,0x0a,0x09,0x09,0x1c,0x0a,0x0a,0x00
440 ,0x52,0x5b,0x64,0x64,0x5b,0x5b,0x5b,0x00,0xad,0xad,0xad,0xad,0xad,0xad
441 ,0x5b,0x00,0x1c,0x12,0x0a,0x00,0x09,0x0a,0x0a,0x0a,0x09,0x09,0x09,0x09
442 ,0x65,0x0a,0x09,0x00,0x5b,0x52,0x64,0x64,0x5b,0x5b,0x5b,0x00,0xad,0xad
443 ,0xad,0xad,0xad,0x64,0x5b,0x00,0x1b,0x0a,0x12,0x00,0x09,0x0a,0x09,0x09
444 ,0x0a,0x0a,0x09,0x09,0x65,0x09,0x09,0x00,0x52,0x12,0x64,0x5b,0x5b,0x5b
445 ,0x5b,0x00,0xad,0xad,0xad,0xad,0xad,0x64,0x5b,0x00,0x1b,0x12,0x0a,0x00
446 ,0x09,0x0a,0x0a,0x09,0x0a,0x09,0x09,0x0a,0x1c,0x09,0x09,0x00,0x52,0x52
447 ,0x5b,0x5b,0x5b,0x64,0x5b,0x00,0xad,0xad,0xad,0xad,0x64,0x64,0x5b,0x00
448 ,0x1b,0x0a,0x09,0x09,0x13,0x1b,0x1c,0x1c,0x65,0x65,0x1c,0x1c,0x1b,0x09
449 ,0x09,0x00,0x12,0x12,0x5b,0x5b,0x5b,0x5b,0x5b,0x00,0xad,0xad,0xad,0xad
450 ,0xad,0x64,0x5b,0x00,0x1b,0x0a,0x09,0x0a,0x0a,0x09,0x09,0x09,0x09,0x09
451 ,0x09,0x09,0x09,0x09,0x09,0x00,0x12,0x12,0x5b,0x5b,0x5b,0x5b,0x12,0x00
452 ,0xad,0xad,0xad,0x64,0xad,0x64,0x5b,0x00,0x13,0x09,0x0a,0x09,0x09,0x09
453 ,0x09,0x09,0x09,0x09,0x09,0x09,0x09,0x09,0x09,0x00,0x09,0x12,0x5b,0x5b
454 ,0x5b,0x12,0x5b,0x00,0xad,0xad,0x64,0x64,0xad,0x64,0x5b,0x00,0x0a,0x00
455 ,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00
456 ,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xad,0x64,0xad,0x64,0xad,0x64
457 ,0x12,0x00
458 };
459
460 const unsigned char *textures[] = {texture1, texture2, texture3, texture4};
461
462 void clearScreen()
463 {
464 memset(pixels,0,SCREEN_WIDTH * SCREEN_HEIGHT * sizeof(uint32_t));
465 }
466
467 void clearPixelCounter()
468 {
469 memset(pixelCounter,0,SCREEN_WIDTH * SCREEN_HEIGHT * sizeof(uint32_t));
470 }
471
472 static inline uint8_t rgbToIndex(uint8_t r, uint8_t g, uint8_t b)
473 {
474 return (r & 7) | ((g & 7) << 3) | ((b & 7) << 6);
475 }
476
477 uint8_t sampleImage(const unsigned char *image, RCL_Unit x, RCL_Unit y)
478 {
479 x = RCL_wrap(x,RCL_UNITS_PER_SQUARE);
480 y = RCL_wrap(y,RCL_UNITS_PER_SQUARE);
481
482 int32_t index =
483 image[1] * ((image[0] * x) / RCL_UNITS_PER_SQUARE) +
484 (image[0] * y) / RCL_UNITS_PER_SQUARE;
485
486 return image[2 + index];
487 }
488
489 uint8_t addIntensity(uint8_t color, int16_t intensity)
490 {
491 uint8_t r = color & 7;
492 uint8_t g = (color & 56) >> 3;
493 uint8_t b = (color & 172) >> 6;
494
495 if (intensity >= 0)
496 {
497 r += intensity;
498 r = r > 7 ? 7 : r;
499
500 g += intensity;
501 g = g > 7 ? 7 : g;
502
503 b += intensity / 2;
504 b = b > 3 ? 3 : b;
505 }
506 else
507 {
508 intensity *= -1;
509 r = (intensity > r) ? 0 : r - intensity;
510 g = (intensity > g) ? 0 : g - intensity;
511 intensity /= 2;
512 b = intensity > b ? 0 : b - intensity;
513 }
514
515 return rgbToIndex(r,g,b);
516 }
517
518 RCL_Unit textureAt(int16_t x, int16_t y)
519 {
520 if (x >= 0 && x < LEVEL_X_RES && y >= 0 && y < LEVEL_Y_RES)
521 return levelTexture[(LEVEL_Y_RES - y -1) * LEVEL_X_RES + x];
522
523 return 0;
524 }
525
526 RCL_Unit floorHeightAt(int16_t x, int16_t y)
527 {
528 if (x == 6 && (y == 13 || y == 14)) // moving lift
529 return ((RCL_abs(-1 * (frame % 64) + 32)) * RCL_UNITS_PER_SQUARE) / 8;
530
531 if (x >= 0 && x < LEVEL_X_RES && y >= 0 && y < LEVEL_Y_RES)
532 return (levelFloor[(LEVEL_Y_RES - y -1) * LEVEL_X_RES + x] * RCL_UNITS_PER_SQUARE) / 8;
533
534 int a = RCL_abs(x - LEVEL_X_RES / 2) - LEVEL_X_RES / 2;
535 int b = RCL_abs(y - LEVEL_Y_RES / 2) - LEVEL_Y_RES / 2;
536
537 return (a > b ? a : b) * RCL_UNITS_PER_SQUARE;
538 }
539
540 RCL_Unit ceilingHeightAt(int16_t x, int16_t y)
541 {
542 int v = 1024;
543
544 if (x >= 0 && x < LEVEL_X_RES && y >= 0 && y < LEVEL_Y_RES)
545 v = levelCeiling[(LEVEL_Y_RES - y -1) * LEVEL_X_RES + x];
546
547 return (v * RCL_UNITS_PER_SQUARE) / 8;
548 }
549
550 /**
551 Function for drawing a single pixel (like fragment shader). Bottleneck =>
552 should be as fast as possible.
553 */
554 void pixelFunc(RCL_PixelInfo *pixel)
555 {
556 uint8_t c;
557
558 if (pixel->isWall)
559 c = sampleImage(textures[pixel->hit.type],pixel->texCoords.x,pixel->texCoords.y);
560 else
561 c = pixel->height == RCL_FLOOR_TEXCOORDS_HEIGHT ?
562 sampleImage(textures[0],pixel->texCoords.x,pixel->texCoords.y) : 0b00010001;
563
564 int intensity = pixel->depth - 8 * RCL_UNITS_PER_SQUARE;
565 intensity = intensity < 0 ? 0 : intensity;
566 intensity = (intensity * 32) / RCL_UNITS_PER_SQUARE;
567
568 int32_t color = palette[c];
569
570 int32_t r = ((color & 0xFF000000) >> 24) - intensity;
571 r = r > 0 ? r : 0;
572 r = r << 24;
573
574 int32_t g = ((color & 0x00FF0000) >> 16) - intensity;
575 g = g > 0 ? g : 0;
576 g = g << 16;
577
578 int32_t b = ((color & 0x0000FF00) >> 8) - intensity;
579 b = b > 0 ? b : 0;
580 b = b << 8;
581
582 int32_t index = pixel->position.y * SCREEN_WIDTH + pixel->position.x;
583
584 pixels[index] = color;//r | g | b;
585 pixelCounter[index]++;
586 }
587
588 void draw()
589 {
590 RCL_RayConstraints c;
591
592 c.maxHits = 32;
593 c.maxSteps = 32;
594
595 RCL_renderComplex(camera,floorHeightAt,ceilingHeightAt,textureAt,c);
596 }
597
598 int main()
599 {
600 for (uint8_t r = 0; r < 8; ++r)
601 for (uint8_t g = 0; g < 8; ++g)
602 for (uint8_t b = 0; b < 4; ++b)
603 palette[rgbToIndex(r,g,b)] = ((36 * r) << 24) | ((36 * g) << 16) | ((85 * b) << 8);
604
605 camera.position.x = 11237;
606 camera.position.y = 12392;
607 camera.shear = -50;
608 camera.direction = -415;
609 camera.height = 4648;
610 camera.resolution.x = SCREEN_WIDTH;
611 camera.resolution.y = SCREEN_HEIGHT;
612
613 SDL_Window *window = SDL_CreateWindow("raycasting", SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED, SCREEN_WIDTH, SCREEN_HEIGHT, SDL_WINDOW_SHOWN);
614 SDL_Renderer *renderer = SDL_CreateRenderer(window,-1,0);
615 SDL_Texture *texture = SDL_CreateTexture(renderer,SDL_PIXELFORMAT_RGBX8888, SDL_TEXTUREACCESS_STATIC, SCREEN_WIDTH, SCREEN_HEIGHT);
616 SDL_Surface *screenSurface = SDL_GetWindowSurface(window);
617 SDL_Event event;
618
619 int running = 1;
620 int fps = 0;
621
622 clock_t nextT;
623
624 while (running)
625 {
626 draw();
627 fps++;
628
629 SDL_UpdateTexture(texture,NULL,pixels,SCREEN_WIDTH * sizeof(uint32_t));
630
631 while (SDL_PollEvent(&event))
632 {
633 int newState = 0;
634 int keyIndex = -1;
635
636 switch (event.type)
637 {
638 case SDL_KEYDOWN:
639 newState = 1;
640 case SDL_KEYUP:
641 switch (event.key.keysym.scancode)
642 {
643 case SDL_SCANCODE_ESCAPE: running = 0; break;
644 case SDL_SCANCODE_UP: keyIndex = KEY_UP; break;
645 case SDL_SCANCODE_RIGHT: keyIndex = KEY_RIGHT; break;
646 case SDL_SCANCODE_DOWN: keyIndex = KEY_DOWN; break;
647 case SDL_SCANCODE_LEFT: keyIndex = KEY_LEFT; break;
648 case SDL_SCANCODE_Q: keyIndex = KEY_Q; break;
649 case SDL_SCANCODE_W: keyIndex = KEY_W; break;
650 case SDL_SCANCODE_A: keyIndex = KEY_A; break;
651 case SDL_SCANCODE_S: keyIndex = KEY_S; break;
652 default: break;
653 }
654 break;
655
656 case SDL_QUIT:
657 running = 0;
658 break;
659
660 default:
661 break;
662 }
663
664 if (keyIndex >= 0)
665 keys[keyIndex] = newState;
666 }
667
668 int step = 1;
669 int step2 = 5;
670
671 RCL_Vector2D direction = RCL_angleToDirection(camera.direction);
672
673 direction.x /= 10;
674 direction.y /= 10;
675
676 if (keys[KEY_UP])
677 {
678 camera.position.x += step * direction.x;
679 camera.position.y += step * direction.y;
680 }
681 else if (keys[KEY_DOWN])
682 {
683 camera.position.x -= step * direction.x;
684 camera.position.y -= step * direction.y;
685 }
686
687 if (keys[KEY_Q])
688 camera.height += step * 100;
689 else if (keys[KEY_W])
690 camera.height -= step * 100;
691
692 if (keys[KEY_RIGHT])
693 camera.direction += step2;
694 else if (keys[KEY_LEFT])
695 camera.direction -= step2;
696
697 const int shearAdd = 10;
698
699 if (keys[KEY_A])
700 camera.shear = camera.shear + shearAdd <= SCREEN_HEIGHT ? camera.shear + shearAdd : SCREEN_HEIGHT;
701 else if (keys[KEY_S])
702 camera.shear = camera.shear - shearAdd >= -1 * SCREEN_HEIGHT ? camera.shear - shearAdd : -1 * SCREEN_HEIGHT;
703
704 SDL_RenderClear(renderer);
705 SDL_RenderCopy(renderer,texture,NULL,NULL);
706 SDL_RenderPresent(renderer);
707
708 clock_t nowT = clock();
709
710 double timeDiff = ((double) (nowT - nextT)) / CLOCKS_PER_SEC;
711
712 fps++;
713
714 if (timeDiff >= 1.0)
715 {
716 nextT = nowT;
717 printf("FPS: %d\n",fps);
718 fps = 0;
719 }
720
721 frame++;
722 }
723
724 return 0;
725 }
Suckless PD 2D raycasting library