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[raycastlib.git] / programs / testSDL.c
blobdee57d47c1806f8ce62b17448aa46666d21dc6a9
1 /*
2 Raycasting SDL test. This is a port of my Pokitto demo.
4 author: Miloslav Ciz
5 license: CC0
6 */
8 #include <SDL2/SDL.h>
9 #include <stdio.h>
10 #include <time.h>
12 #define RCL_COMPUTE_FLOOR_TEXCOORDS 1
13 #define RCL_HORIZONTAL_FOV (RCL_UNITS_PER_SQUARE / 5)
14 #define RCL_VERTICAL_FOV RCL_UNITS_PER_SQUARE // redefine camera vertical FOV
16 #define RCL_PIXEL_FUNCTION pixelFunc
18 #include "../raycastlib.h"
20 #define LEVEL_X_RES 29
21 #define LEVEL_Y_RES 21
23 #define SCREEN_WIDTH 800
24 #define SCREEN_HEIGHT 600
25 #define MIDDLE_ROW (SCREEN_HEIGHT / 2)
27 #define max(a,b) ((a) > (b) ? (a) : (b))
29 #define KEYS 8
30 #define KEY_UP 0
31 #define KEY_RIGHT 1
32 #define KEY_DOWN 2
33 #define KEY_LEFT 3
34 #define KEY_Q 4
35 #define KEY_W 5
36 #define KEY_A 6
37 #define KEY_S 7
39 int keys[KEYS];
41 unsigned long frame = 0;
43 RCL_Camera camera;
45 uint32_t pixels[SCREEN_WIDTH * SCREEN_HEIGHT];
46 uint32_t pixelCounter[SCREEN_WIDTH * SCREEN_HEIGHT];
48 typedef struct
50 unsigned char *mImage;
51 RCL_Vector2D mPosition;
52 RCL_Unit mHeight;
53 RCL_Unit mPixelSize;
54 } Sprite;
56 uint32_t palette[256];
58 #define SPRITES 7
59 #define SPRITE_MAX_DISTANCE 5 * RCL_UNITS_PER_SQUARE
61 // For each level square says the texture index.
62 const unsigned char levelTexture[] =
64 // 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
65 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
66 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
67 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
68 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
69 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
70 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
71 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
72 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
73 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
74 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
75 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
76 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
77 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
78 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
79 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
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, // 15 5
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, 3, 3, 3, 3, 3, // 16 4
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, // 17 3
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, // 18 2
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, // 19 1
85 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 // For each level square says the floor height.
89 const signed char levelFloor[] =
91 // 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
92 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
93 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
94 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
95 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
96 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
97 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
98 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
99 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
100 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
101 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
102 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
103 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
104 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
105 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
106 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
107 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
108 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
109 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
110 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
111 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
112 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 #define XX 127 // helper to keep a big number two-characters, for formatting
117 // For each level square says the ceiling height.
118 const signed char levelCeiling[] =
120 // 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
121 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
122 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
123 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
124 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
125 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
126 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
127 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
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, // 7 13
129 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
130 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
131 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
132 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
133 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
134 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
135 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
136 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
137 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
138 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
139 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
140 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
141 XX,24,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,24,24,24,24,24,24 // 20 0
144 #undef XX
146 const unsigned char texture1[] =
147 { 32, 32 // width, height
148 ,0x12,0x65,0x65,0x6d,0x24,0x64,0x5b,0x12,0x12,0x64,0x5b,0x5b,0x12,0x51
149 ,0x12,0x09,0x00,0x6d,0x6d,0x6d,0x24,0x5b,0x5b,0x52,0x12,0x5b,0x52,0x5b
150 ,0x12,0x5b,0x52,0x09,0x12,0x5b,0x5b,0x5b,0x52,0x5b,0x5b,0x52,0x00,0x64
151 ,0x64,0x52,0x52,0x52,0x5b,0x00,0x09,0x6d,0x5b,0x5a,0x5b,0x5b,0x5a,0x51
152 ,0x12,0x64,0x5b,0x52,0x5b,0x52,0x5b,0x08,0x12,0x24,0x5b,0x5b,0x5b,0x5b
153 ,0x09,0x11,0x00,0x64,0x5b,0x5b,0x5a,0x09,0x09,0x08,0x00,0x5b,0x5b,0x5b
154 ,0x5a,0x64,0x12,0x51,0x00,0x64,0x5b,0x52,0x52,0x11,0x09,0x09,0x12,0x24
155 ,0x5b,0x5b,0x52,0x5a,0x12,0x09,0x00,0x5b,0x52,0x09,0x12,0x09,0x09,0x09
156 ,0x00,0x24,0x5a,0x5a,0x5b,0x51,0x12,0x08,0x09,0x25,0x5b,0x52,0x5b,0x52
157 ,0x11,0x09,0x12,0x64,0x5b,0x52,0x09,0x11,0x12,0x09,0x00,0x12,0x00,0x12
158 ,0x00,0x00,0x00,0x08,0x09,0x64,0x5b,0x51,0x12,0x11,0x12,0x08,0x09,0x64
159 ,0x5a,0x5b,0x12,0x12,0x09,0x09,0x12,0x65,0x5c,0x52,0x5a,0x5b,0x51,0x09
160 ,0x00,0x64,0x6d,0x6d,0x5c,0x65,0x64,0x09,0x00,0x24,0x64,0x5b,0x09,0x12
161 ,0x11,0x00,0x09,0x64,0x5b,0x52,0x52,0x12,0x12,0x08,0x00,0x64,0x52,0x52
162 ,0x52,0x52,0x5b,0x09,0x00,0x6d,0x5b,0x5b,0x52,0x5b,0x51,0x09,0x00,0x1b
163 ,0x5b,0x12,0x12,0x12,0x12,0x09,0x12,0x5b,0x11,0x09,0x11,0x09,0x09,0x09
164 ,0x09,0x5b,0x09,0x09,0x09,0x09,0x09,0x09,0x12,0x65,0x5b,0x5b,0x5b,0x52
165 ,0x5b,0x09,0x00,0x64,0x12,0x63,0x5b,0x12,0x5b,0x09,0x00,0x00,0x00,0x00
166 ,0x00,0x09,0x00,0x00,0x00,0x09,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x5b
167 ,0x64,0x5b,0x09,0x5b,0x52,0x09,0x09,0x5b,0x11,0x52,0x09,0x12,0x09,0x08
168 ,0x00,0x1b,0x1b,0x23,0x1b,0x5a,0x5b,0x11,0x12,0x64,0x64,0x6d,0x24,0x5b
169 ,0x5b,0x09,0x00,0x5b,0x5a,0x52,0x52,0x09,0x08,0x09,0x12,0x5b,0x52,0x11
170 ,0x5a,0x11,0x12,0x08,0x08,0x1b,0x52,0x52,0x5b,0x5a,0x09,0x09,0x12,0x64
171 ,0x5b,0x64,0x12,0x12,0x12,0x08,0x00,0x00,0x00,0x12,0x09,0x00,0x09,0x00
172 ,0x12,0x24,0x5a,0x52,0x12,0x12,0x12,0x08,0x12,0x1b,0x12,0x5a,0x49,0x5a
173 ,0x52,0x09,0x12,0x6d,0x5b,0x52,0x5a,0x12,0x09,0x09,0x12,0x65,0x64,0x6d
174 ,0x6d,0x64,0x64,0x5b,0x00,0x5a,0x08,0x08,0x09,0x09,0x08,0x09,0x00,0x5b
175 ,0x5a,0x11,0x51,0x51,0x5a,0x09,0x12,0x6d,0x5b,0x5b,0x12,0x11,0x12,0x09
176 ,0x00,0x65,0x5b,0x64,0x5b,0x5b,0x5b,0x52,0x00,0x00,0x12,0x12,0x12,0x09
177 ,0x00,0x00,0x00,0x5a,0x52,0x52,0x09,0x52,0x09,0x09,0x12,0x63,0x5b,0x5a
178 ,0x09,0x5b,0x11,0x08,0x00,0x65,0x5b,0x5b,0x52,0x5b,0x52,0x52,0x00,0x65
179 ,0x6d,0x64,0x65,0x64,0x64,0x5b,0x00,0x5b,0x12,0x09,0x11,0x09,0x09,0x09
180 ,0x09,0x5b,0x11,0x08,0x09,0x09,0x09,0x08,0x00,0x64,0x64,0x5b,0x5b,0x5b
181 ,0x5b,0x09,0x00,0x5b,0x5b,0x5b,0x5b,0x5b,0x52,0x52,0x00,0x64,0x51,0x52
182 ,0x52,0x52,0x09,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x12,0x00,0x00,0x5b
183 ,0x5b,0x5b,0x52,0x52,0x5b,0x09,0x12,0x65,0x5b,0x5b,0x5b,0x52,0x5b,0x09
184 ,0x00,0x63,0x5a,0x51,0x51,0x51,0x5a,0x08,0x12,0x24,0x64,0x65,0x24,0x64
185 ,0x64,0x5b,0x00,0x5b,0x5b,0x52,0x5b,0x5b,0x52,0x09,0x00,0x64,0x5b,0x5b
186 ,0x12,0x52,0x5a,0x09,0x12,0x24,0x52,0x52,0x09,0x52,0x52,0x08,0x12,0x64
187 ,0x64,0x5b,0x5b,0x5b,0x64,0x52,0x00,0x6d,0x5b,0x52,0x5b,0x52,0x52,0x08
188 ,0x00,0x5b,0x5b,0x52,0x52,0x5b,0x52,0x09,0x00,0x1b,0x52,0x51,0x5a,0x52
189 ,0x09,0x09,0x12,0x64,0x52,0x5c,0x5b,0x64,0x5b,0x51,0x09,0x6d,0x5b,0x52
190 ,0x5b,0x52,0x11,0x09,0x00,0x64,0x5a,0x64,0x5b,0x52,0x5b,0x08,0x00,0x11
191 ,0x09,0x49,0x08,0x09,0x00,0x09,0x00,0x64,0x64,0x5b,0x52,0x5b,0x5b,0x09
192 ,0x12,0x65,0x64,0x5b,0x52,0x5b,0x52,0x09,0x12,0x64,0x64,0x64,0x52,0x09
193 ,0x5c,0x08,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x12,0x64,0x5b,0x64
194 ,0x52,0x5b,0x52,0x49,0x00,0x64,0x5b,0x52,0x52,0x5b,0x51,0x09,0x09,0x5b
195 ,0x09,0x09,0x09,0x08,0x09,0x12,0x00,0x6d,0x24,0x6d,0x24,0x64,0x64,0x5b
196 ,0x00,0x64,0x63,0x5b,0x5b,0x52,0x52,0x09,0x12,0x64,0x5b,0x5b,0x52,0x11
197 ,0x5b,0x09,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x09,0x12,0x6d,0x64,0x5b
198 ,0x52,0x64,0x5b,0x52,0x12,0x6d,0x5b,0x5b,0x5b,0x5b,0x5b,0x09,0x00,0x64
199 ,0x11,0x5a,0x52,0x5b,0x52,0x09,0x00,0x5b,0x5a,0x63,0x5a,0x23,0x12,0x00
200 ,0x12,0x6d,0x5b,0x11,0x5b,0x64,0x64,0x52,0x12,0x63,0x5b,0x5b,0x5b,0x5b
201 ,0x52,0x08,0x00,0x5c,0x52,0x5b,0x5b,0x52,0x52,0x08,0x08,0x5b,0x52,0x51
202 ,0x09,0x52,0x5a,0x09,0x00,0x6d,0x52,0x11,0x52,0x5b,0x52,0x09,0x12,0x64
203 ,0x5a,0x5b,0x52,0x5b,0x5b,0x08,0x00,0x5b,0x52,0x09,0x09,0x09,0x09,0x09
204 ,0x09,0x24,0x52,0x09,0x12,0x09,0x52,0x08,0x00,0x5b,0x5a,0x52,0x12,0x5b
205 ,0x5b,0x09,0x00,0x65,0x52,0x5b,0x5b,0x52,0x11,0x09,0x09,0x00,0x00,0x00
206 ,0x00,0x12,0x00,0x08,0x00,0x5b,0x52,0x51,0x09,0x09,0x09,0x09,0x00,0x64
207 ,0x5b,0x52,0x52,0x09,0x5b,0x09,0x12,0x6d,0x5b,0x5b,0x5b,0x5b,0x5a,0x11
208 ,0x00,0x6d,0x6d,0x24,0x64,0x64,0x5b,0x5b,0x00,0x5a,0x12,0x52,0x12,0x09
209 ,0x12,0x08,0x00,0x5b,0x12,0x09,0x09,0x09,0x08,0x09,0x00,0x64,0x5b,0x5b
210 ,0x52,0x5a,0x5b,0x09,0x12,0x6d,0x64,0x5a,0x5b,0x5b,0x5b,0x5b,0x00,0x5a
211 ,0x11,0x52,0x09,0x12,0x09,0x09,0x09,0x00,0x00,0x00,0x00,0x12,0x12,0x12
212 ,0x12,0x64,0x52,0x5b,0x5b,0x5b,0x5b,0x09,0x12,0x6d,0x12,0x5b,0x12,0x52
213 ,0x5b,0x52,0x09,0x5a,0x09,0x51,0x09,0x09,0x09,0x09,0x09,0x5c,0x64,0x6d
214 ,0x1b,0x24,0x64,0x08,0x12,0x64,0x5b,0x52,0x5b,0x5b,0x52,0x09,0x00,0x5b
215 ,0x5b,0x52,0x11,0x5b,0x12,0x09,0x08,0x5b,0x5a,0x09,0x51,0x52,0x12,0x08
216 ,0x00,0x5b,0x5b,0x11,0x5b,0x5b,0x5b,0x08,0x09,0x5b,0x12,0x52,0x52,0x09
217 ,0x09,0x09,0x00,0x6d,0x5b,0x52,0x52,0x12,0x12,0x09,0x08,0x11,0x00,0x49
218 ,0x09,0x00,0x09,0x00,0x00,0x6d,0x12,0x5b,0x52,0x5b,0x52,0x09,0x00,0x00
219 ,0x09,0x09,0x12,0x00,0x12,0x00,0x00,0x64,0x52,0x5b,0x52,0x5b,0x52,0x09
220 ,0x09,0x00,0x00,0x00,0x00,0x09,0x00,0x00,0x00,0x64,0x52,0x5b,0x5b,0x52
221 ,0x52,0x09
224 const unsigned char texture2[] =
225 { 32, 32 // width, height
226 ,0x65,0x1d,0x01,0x1c,0x12,0x0a,0x01,0x13,0x14,0x6e,0x2e,0x0b,0x1c,0x1d
227 ,0x2e,0x1d,0x13,0x0b,0x13,0x65,0x1d,0x1d,0x13,0x66,0x6f,0x6e,0x65,0x6f
228 ,0x77,0x7f,0x6f,0x6f,0x1d,0x14,0x13,0x6e,0x6e,0x66,0x6f,0x77,0x77,0x6f
229 ,0x66,0x66,0x13,0x25,0x0a,0x01,0x6e,0x66,0x01,0x12,0x02,0x01,0x1b,0x6e
230 ,0x77,0x77,0x77,0x77,0x77,0x6f,0x6f,0x6e,0x1c,0x1d,0x1c,0x77,0x67,0x6f
231 ,0x6f,0x77,0x67,0x77,0x77,0x66,0x13,0x0a,0x14,0x77,0x66,0x6f,0x77,0x66
232 ,0x1b,0x13,0x66,0x77,0x6f,0x77,0x6f,0x6f,0x6f,0x26,0x6e,0x1d,0x25,0x14
233 ,0x13,0x6e,0x6f,0x6f,0x77,0x6f,0x77,0x77,0x77,0x1d,0x1d,0x01,0x25,0x67
234 ,0x7f,0x6f,0x6f,0x66,0x66,0x14,0x66,0x6f,0x7f,0x6f,0x77,0x6f,0x1d,0x25
235 ,0x1d,0x66,0x1d,0x65,0x14,0x2e,0x26,0x77,0x6d,0x67,0x6f,0x25,0x6f,0x5e
236 ,0x5d,0x0b,0x5d,0x6f,0x6f,0x26,0x1d,0x77,0x66,0x1c,0x13,0x6f,0x6f,0x6f
237 ,0x66,0x67,0x66,0x65,0x6e,0x1c,0x1b,0x0a,0x01,0x1d,0x65,0x1e,0x6f,0x6e
238 ,0x67,0x66,0x66,0x65,0x14,0x1c,0x25,0x65,0x6e,0x66,0x66,0x6e,0x66,0x1c
239 ,0x02,0x1d,0x77,0x6e,0x77,0x66,0x25,0x13,0x5c,0x1d,0x0a,0x14,0x0b,0x14
240 ,0x6e,0x65,0x1d,0x66,0x1d,0x66,0x1d,0x66,0x14,0x25,0x14,0x6e,0x66,0x25
241 ,0x66,0x5d,0x66,0x25,0x0a,0x6e,0x6f,0x6f,0x6e,0x1d,0x13,0x65,0x5c,0x01
242 ,0x0a,0x15,0x1d,0x0a,0x01,0x5d,0x6e,0x5c,0x25,0x1d,0x1e,0x26,0x1d,0x1b
243 ,0x14,0x25,0x25,0x1d,0x14,0x1d,0x14,0x13,0x01,0x25,0x6e,0x25,0x25,0x25
244 ,0x1d,0x1c,0x01,0x0a,0x14,0x14,0x5d,0x14,0x14,0x0a,0x1d,0x5d,0x1c,0x6e
245 ,0x1d,0x65,0x5d,0x1d,0x0a,0x01,0x14,0x1c,0x25,0x0a,0x01,0x12,0x1c,0x0b
246 ,0x01,0x1c,0x14,0x25,0x0b,0x1b,0x25,0x14,0x25,0x02,0x1d,0x25,0x1d,0x09
247 ,0x13,0x1c,0x1d,0x66,0x1d,0x1c,0x0b,0x14,0x0b,0x65,0x2d,0x09,0x0a,0x09
248 ,0x14,0x66,0x6f,0x66,0x66,0x1c,0x0a,0x01,0x0b,0x14,0x66,0x1c,0x1d,0x1c
249 ,0x66,0x66,0x65,0x6e,0x1c,0x09,0x1c,0x1d,0x14,0x1c,0x0b,0x01,0x1d,0x6e
250 ,0x77,0x66,0x1c,0x1c,0x6e,0x6f,0x6f,0x77,0x7f,0x77,0x5e,0x6e,0x6f,0x67
251 ,0x6f,0x6f,0x0a,0x0a,0x66,0x67,0x66,0x25,0x13,0x1c,0x24,0x14,0x25,0x1c
252 ,0x0b,0x1d,0x6e,0x77,0x7f,0x77,0x5e,0x1c,0x65,0x6f,0x7f,0x6e,0x6f,0x77
253 ,0x6f,0x67,0x6f,0x6f,0x66,0x25,0x14,0x6f,0x6f,0x77,0x6f,0x67,0x6e,0x13
254 ,0x0a,0x09,0x13,0x12,0x1d,0x66,0x6f,0x66,0x5e,0x6e,0x66,0x25,0x14,0x25
255 ,0x26,0x25,0x6f,0x1d,0x77,0x6f,0x66,0x6e,0x66,0x1c,0x12,0x6f,0x6f,0x67
256 ,0x77,0x1d,0x77,0x13,0x66,0x77,0x6f,0x6f,0x6f,0x77,0x6f,0x66,0x77,0x77
257 ,0x6f,0x6e,0x13,0x25,0x26,0x25,0x66,0x65,0x66,0x66,0x6e,0x66,0x6e,0x14
258 ,0x09,0x66,0x6f,0x6e,0x2f,0x6e,0x26,0x1c,0x6f,0x66,0x6f,0x7f,0x6f,0x7f
259 ,0x6f,0x6f,0x6e,0x6e,0x66,0x6f,0x13,0x13,0x1d,0x66,0x1d,0x25,0x66,0x65
260 ,0x6e,0x1d,0x1d,0x0a,0x14,0x6f,0x77,0x77,0x2e,0x25,0x1c,0x0a,0x65,0x6f
261 ,0x6f,0x6f,0x7f,0x6f,0x77,0x77,0x66,0x6f,0x6e,0x6e,0x25,0x14,0x01,0x0a
262 ,0x09,0x0a,0x0b,0x14,0x1d,0x0a,0x14,0x13,0x66,0x6f,0x6f,0x25,0x1c,0x5d
263 ,0x65,0x01,0x66,0x1e,0x6f,0x6f,0x6f,0x77,0x6f,0x6f,0x6e,0x6f,0x66,0x1d
264 ,0x1d,0x0a,0x66,0x6f,0x66,0x2e,0x6e,0x6e,0x14,0x13,0x12,0x14,0x6f,0x6f
265 ,0x6e,0x6e,0x25,0x0a,0x13,0x12,0x6e,0x6f,0x66,0x6f,0x66,0x65,0x66,0x6f
266 ,0x66,0x25,0x66,0x25,0x0a,0x01,0x6e,0x77,0x77,0x6f,0x6f,0x6e,0x6e,0x14
267 ,0x1d,0x6e,0x1b,0x25,0x1d,0x1c,0x1d,0x14,0x01,0x25,0x25,0x66,0x6e,0x6f
268 ,0x1d,0x6f,0x66,0x1d,0x1d,0x1d,0x6e,0x1d,0x0b,0x6e,0x6f,0x77,0x7f,0x6f
269 ,0x77,0x77,0x66,0x66,0x13,0x5d,0x13,0x0a,0x01,0x1c,0x13,0x0a,0x6e,0x09
270 ,0x1d,0x65,0x25,0x66,0x66,0x6e,0x65,0x25,0x65,0x6e,0x1d,0x65,0x13,0x65
271 ,0x6f,0x77,0x67,0x7f,0x6f,0x77,0x6f,0x6e,0x14,0x1c,0x1c,0x6e,0x77,0x6e
272 ,0x77,0x6f,0x25,0x0a,0x1c,0x1d,0x1d,0x66,0x1d,0x6e,0x15,0x26,0x25,0x5e
273 ,0x25,0x13,0x1d,0x77,0x77,0x66,0x66,0x6e,0x6f,0x77,0x7f,0x6e,0x12,0x13
274 ,0x66,0x77,0x6f,0x77,0x6f,0x77,0x26,0x6f,0x0b,0x25,0x1c,0x25,0x25,0x25
275 ,0x66,0x1d,0x1b,0x25,0x0a,0x1d,0x6e,0x67,0x67,0x6f,0x66,0x1d,0x65,0x6e
276 ,0x67,0x6f,0x6e,0x13,0x77,0x7f,0x67,0x77,0x77,0x77,0x6f,0x6e,0x5d,0x13
277 ,0x14,0x1d,0x1c,0x1d,0x1d,0x14,0x1d,0x0a,0x09,0x1c,0x66,0x77,0x66,0x67
278 ,0x6e,0x1c,0x65,0x66,0x66,0x6d,0x1c,0x09,0x6e,0x67,0x6f,0x7f,0x6f,0x77
279 ,0x6f,0x6e,0x66,0x0a,0x01,0x13,0x1d,0x14,0x65,0x14,0x02,0x01,0x1d,0x1c
280 ,0x13,0x66,0x2e,0x66,0x77,0x6e,0x1e,0x25,0x25,0x6e,0x0a,0x13,0x6e,0x67
281 ,0x26,0x67,0x6f,0x77,0x67,0x6f,0x1d,0x6e,0x14,0x0a,0x01,0x13,0x01,0x25
282 ,0x66,0x77,0x66,0x65,0x1c,0x0b,0x66,0x25,0x66,0x66,0x25,0x6e,0x66,0x1d
283 ,0x14,0x0a,0x1d,0x66,0x66,0x66,0x6f,0x6e,0x6f,0x6f,0x5d,0x1d,0x0a,0x25
284 ,0x26,0x6f,0x6f,0x6f,0x7f,0x6f,0x6f,0x6f,0x77,0x0a,0x09,0x1d,0x6f,0x6e
285 ,0x15,0x25,0x1c,0x1d,0x1d,0x13,0x25,0x66,0x1c,0x6e,0x66,0x26,0x66,0x66
286 ,0x25,0x1c,0x0a,0x66,0x6f,0x7f,0x6f,0x6f,0x6f,0x66,0x6f,0x77,0x6e,0x66
287 ,0x0a,0x1b,0x26,0x1d,0x5e,0x1d,0x65,0x13,0x0a,0x1d,0x66,0x6e,0x25,0x6e
288 ,0x1d,0x1d,0x6e,0x25,0x13,0x1d,0x14,0x5e,0x77,0x27,0x7f,0x77,0x7f,0x67
289 ,0x66,0x67,0x1d,0x1d,0x13,0x09,0x76,0x66,0x24,0x1c,0x1b,0x13,0x13,0x1d
290 ,0x25,0x25,0x5e,0x1d,0x6e,0x25,0x1c,0x25,0x66,0x1d,0x09,0x1d,0x77,0x6f
291 ,0x66,0x6f,0x66,0x66,0x66,0x6e,0x65,0x66,0x65,0x1c,0x1d,0x1d,0x65,0x14
292 ,0x1c,0x25,0x0a,0x0a,0x0a,0x25,0x1d,0x66,0x14,0x25,0x66,0x6e,0x1d,0x25
293 ,0x09,0x1c,0x66,0x77,0x6f,0x66,0x7f,0x77,0x1d,0x6e,0x1c,0x1d,0x1d,0x0a
294 ,0x25,0x66,0x1d,0x25,0x13,0x0a,0x1d,0x14,0x1e,0x13,0x1d,0x14,0x65,0x66
295 ,0x66,0x25,0x1d,0x14,0x0a,0x14,0x15,0x65,0x7f,0x77,0x66,0x25,0x1d,0x1d
296 ,0x1d,0x6e,0x1c,0x14,0x13,0x65,0x1d,0x1c,0x0a,0x0a,0x65,0x1d,0x25,0x0a
297 ,0x1c,0x1d,0x1c,0x25,0x1d,0x1c,0x14,0x01,0x1b,0x0a,0x1d,0x65,0x6f,0x1d
298 ,0x66,0x65,0x6e,0x66,0x1d,0x14,0x0a,0x0a,0x1b,0x12,0x1c,0x0a,0x14,0x6e
299 ,0x66,0x25
302 const unsigned char texture3[] =
303 { 32, 32 // width, height
304 ,0xb6,0x3d,0x33,0x33,0x3e,0x33,0x2a,0x29,0x2a,0x29,0x2a,0x20,0x29,0x29
305 ,0x2a,0x29,0x10,0x10,0x10,0x49,0x58,0x99,0x50,0x50,0x10,0x4b,0x54,0x54
306 ,0x55,0x55,0x4a,0x49,0x29,0x3d,0x3d,0x7c,0x3d,0x33,0x34,0x3d,0x33,0x33
307 ,0x33,0x20,0x20,0x29,0x10,0x20,0x10,0x50,0x10,0x49,0x10,0x99,0x51,0x51
308 ,0x33,0x10,0x53,0x66,0x67,0x15,0x54,0x4b,0x7f,0x33,0x7f,0x3d,0x3e,0x3d
309 ,0x33,0x3d,0x29,0x29,0x2a,0x20,0x20,0x2a,0x10,0x20,0x10,0x51,0x50,0x50
310 ,0x58,0x51,0x51,0x51,0x33,0x33,0x10,0x55,0x5e,0x67,0x26,0x66,0x29,0x7f
311 ,0x3e,0x3d,0x3d,0x33,0x3d,0x33,0x29,0x10,0x10,0x20,0x33,0x10,0x10,0x2a
312 ,0x58,0x59,0x50,0x10,0x51,0x51,0x10,0x51,0x52,0x37,0x37,0x10,0x10,0x5d
313 ,0x53,0x55,0x6c,0x3e,0x3d,0x33,0x33,0x3d,0x33,0x29,0x10,0x2a,0x20,0x20
314 ,0x29,0x20,0x10,0x10,0x58,0x10,0x10,0x10,0x58,0x49,0x51,0x99,0x49,0x37
315 ,0x37,0x33,0x33,0x10,0x10,0x49,0x7f,0x7f,0x33,0x3d,0x3d,0x7f,0x33,0x3e
316 ,0x29,0x2a,0x29,0x2a,0x29,0x2a,0x20,0x20,0x20,0x50,0x51,0x10,0x58,0x51
317 ,0x51,0x99,0x49,0x00,0x33,0x10,0x10,0x10,0x10,0x10,0x3d,0x7f,0x3d,0x33
318 ,0x3d,0x3d,0x33,0x2a,0x2a,0x20,0x29,0x29,0x29,0x10,0x20,0x19,0x10,0x19
319 ,0x51,0x50,0x58,0x51,0x49,0x99,0x00,0x00,0x10,0x10,0x33,0x33,0x33,0x10
320 ,0x3d,0x7f,0x7f,0x33,0x3e,0x33,0x33,0x33,0x29,0x20,0x33,0x2a,0x20,0x58
321 ,0x58,0x19,0x19,0x51,0x10,0x51,0x59,0x51,0x51,0x51,0x00,0x10,0x10,0x00
322 ,0x00,0x10,0x10,0x10,0x3d,0xb6,0x2a,0x3e,0x33,0x3d,0x33,0x3d,0x2a,0x10
323 ,0x20,0x2a,0x10,0x58,0x58,0x19,0x50,0x19,0x58,0x10,0x58,0x99,0x51,0x49
324 ,0x00,0x00,0x00,0x00,0x00,0x00,0x10,0x10,0x3d,0x2a,0x6c,0x3d,0x3e,0x33
325 ,0x33,0x29,0x33,0x29,0x10,0x29,0x20,0x69,0x58,0x10,0x19,0x10,0x99,0x10
326 ,0x58,0x99,0x49,0x99,0x51,0x00,0x00,0x00,0x10,0x10,0x10,0x53,0xb6,0x3d
327 ,0x6c,0x33,0x33,0x33,0x3d,0x29,0x20,0x33,0x20,0x20,0x29,0x20,0x51,0x51
328 ,0x51,0x50,0x99,0x58,0x99,0x49,0x99,0x49,0x00,0x00,0x00,0x10,0x10,0x00
329 ,0x00,0x53,0x29,0x3e,0x7f,0x29,0x33,0x2a,0x33,0x29,0x29,0x33,0x20,0x29
330 ,0x10,0x58,0x10,0x49,0x51,0x58,0x99,0x49,0x49,0x51,0x51,0x00,0x00,0x00
331 ,0x00,0x00,0x00,0x00,0x53,0x33,0x29,0x33,0x7e,0x33,0xb6,0x2a,0x33,0x29
332 ,0x20,0x10,0x29,0x20,0x10,0x58,0x59,0x10,0x50,0x99,0x49,0x49,0x49,0x49
333 ,0x51,0x9a,0x4b,0x53,0x53,0x4a,0x4a,0x15,0x37,0x37,0x2d,0x7c,0x3e,0x3d
334 ,0x7f,0x29,0x2a,0x10,0x29,0x10,0x10,0x20,0x29,0x58,0x51,0x51,0x99,0x51
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336 ,0x6c,0x33,0x3d,0x3d,0x3d,0x7f,0x20,0x10,0x29,0x10,0x10,0x99,0x10,0x58
337 ,0x51,0x49,0x49,0x49,0x49,0x58,0x49,0x51,0x4a,0x4b,0x4b,0x54,0x66,0x67
338 ,0x67,0x33,0x10,0x10,0xb6,0x3d,0x33,0x7f,0x29,0x3d,0x33,0x33,0x29,0x29
339 ,0xac,0x58,0x10,0x49,0x49,0x49,0x49,0x49,0x49,0x50,0x59,0x51,0x51,0x51
340 ,0x54,0x15,0x66,0x5e,0x33,0x10,0x56,0x54,0xb6,0x3d,0x33,0x33,0x3e,0x33
341 ,0x29,0x33,0x33,0x33,0x10,0x10,0x10,0x51,0x49,0x49,0x49,0x49,0x49,0x49
342 ,0x58,0x50,0x50,0x49,0x4b,0x54,0x54,0x55,0x55,0x55,0x4a,0x49,0x29,0x3d
343 ,0x3d,0x7c,0x7f,0x6c,0x2a,0x29,0x10,0x10,0x10,0x19,0x20,0x10,0x99,0x51
344 ,0x51,0x49,0x49,0x49,0x10,0x51,0x51,0x51,0x52,0x53,0x66,0x67,0x67,0x15
345 ,0x54,0x4b,0x29,0x33,0x7f,0x3d,0x6c,0x29,0x33,0x20,0x29,0x10,0x20,0x20
346 ,0x99,0x10,0x99,0x51,0x58,0x99,0x49,0x49,0x49,0x51,0x51,0x4b,0x4b,0x53
347 ,0x55,0x5e,0x5e,0x67,0x26,0x66,0x29,0x7f,0x3e,0x3d,0x29,0x29,0x33,0x2a
348 ,0x2a,0x20,0x33,0x20,0x61,0x20,0x58,0x10,0x10,0x99,0x99,0x49,0x49,0x10
349 ,0x51,0x52,0x4a,0x4b,0x53,0x54,0x54,0x5d,0x53,0x55,0x6c,0x7f,0x6c,0x29
350 ,0x33,0x3d,0x2a,0x20,0x29,0x2a,0x10,0x2a,0x20,0x20,0x58,0x10,0x10,0x58
351 ,0x99,0x51,0x51,0x49,0x99,0x00,0x00,0x00,0x00,0x00,0x10,0x00,0x54,0x54
352 ,0xb6,0xb6,0x33,0x3d,0x3e,0x3e,0x2a,0x33,0x20,0x2a,0x20,0x33,0x2a,0x58
353 ,0x58,0x50,0x10,0x58,0x10,0x10,0x58,0x99,0x00,0x99,0x00,0x00,0x00,0x00
354 ,0x33,0x10,0x00,0x49,0xb6,0x29,0x3f,0x33,0x33,0x33,0x3d,0x33,0x20,0x2a
355 ,0x33,0x2a,0x29,0x58,0x99,0x10,0x50,0x10,0x10,0x10,0x10,0x99,0x51,0x00
356 ,0x51,0x00,0x10,0x10,0x33,0x33,0x10,0x00,0x3d,0x6c,0x3d,0x33,0x3e,0x33
357 ,0x33,0x2a,0x2a,0x2a,0x33,0x29,0x10,0x58,0x58,0x10,0x10,0x10,0x51,0x10
358 ,0x50,0x99,0x51,0x51,0x00,0x00,0x00,0x10,0x10,0x37,0x37,0x10,0x7f,0xb6
359 ,0x33,0x3d,0x33,0x3f,0x2a,0x33,0x2a,0x33,0x29,0x10,0x10,0x29,0x10,0x33
360 ,0x10,0x50,0x49,0x10,0x51,0x51,0x51,0x51,0x51,0x00,0x00,0x00,0x00,0x33
361 ,0x37,0x33,0x3d,0x2a,0x3d,0x3d,0x3e,0x33,0x33,0x2a,0x2a,0x33,0x33,0x10
362 ,0x2a,0x20,0x10,0x10,0x10,0x50,0x49,0x58,0x51,0x51,0x58,0x99,0x00,0x00
363 ,0x00,0x00,0x00,0x10,0x33,0x33,0x7f,0x3d,0x33,0x7f,0x3d,0x3d,0x33,0x3d
364 ,0x20,0x29,0x20,0x33,0x2a,0x10,0x10,0x2a,0x10,0x10,0x10,0x58,0x99,0x51
365 ,0x59,0x99,0x00,0x00,0x00,0x00,0x10,0x10,0x10,0x33,0x29,0x3e,0x3d,0x3d
366 ,0x7c,0x3e,0x2a,0x3d,0x2c,0x2a,0x20,0x33,0x29,0x20,0x10,0x2a,0x10,0x10
367 ,0x49,0x10,0x99,0x49,0x51,0x51,0x49,0x00,0x10,0x10,0x10,0x10,0x53,0x14
368 ,0x29,0x33,0x7e,0x33,0x3d,0x3d,0x33,0x33,0x29,0x20,0x20,0x33,0x20,0x20
369 ,0x20,0x20,0x10,0x51,0x50,0x10,0x99,0x49,0x49,0x51,0x9a,0x4b,0x53,0x53
370 ,0x4a,0x15,0x56,0x54,0x2d,0x7c,0x3e,0x3d,0x3d,0x7e,0x3d,0x3d,0x2a,0x33
371 ,0x10,0x29,0x2a,0x29,0x10,0x20,0x10,0x58,0x58,0x58,0x99,0x51,0x10,0x49
372 ,0x49,0x4a,0x4b,0x53,0x56,0x54,0x4b,0x54,0x6c,0x33,0x3d,0x3d,0x3d,0x33
373 ,0x3d,0x33,0x29,0x33,0x20,0x20,0x20,0x10,0x2a,0x10,0x50,0x99,0x58,0x58
374 ,0x51,0x51,0x51,0x4a,0x4b,0x4b,0x54,0x66,0x67,0x56,0x2e,0x5e,0xb6,0x3d
375 ,0x33,0x7f,0x29,0x3d,0x2a,0x29,0x33,0x29,0x20,0x2a,0x10,0x10,0x2a,0x10
376 ,0x10,0x50,0x10,0x50,0x59,0x51,0x51,0x51,0x51,0x54,0x15,0x66,0x5e,0x15
377 ,0x56,0x54
380 const unsigned char texture4[] =
381 { 32, 32 // width, height
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414 ,0x13,0x09,0x09,0x09,0x09,0x09,0x0a,0x0a,0x09,0x09,0x09,0x09,0x09,0x09
415 ,0x09,0x00,0x09,0x09,0x5b,0x12,0x12,0x12,0x12,0x00,0xad,0xad,0x64,0x64
416 ,0x64,0x64,0x5b,0x00,0x0a,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00
417 ,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00
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421 ,0x1b,0x1b,0x1b,0x13,0x12,0x13,0x12,0x12,0x12,0x12,0x0a,0x0a,0x09,0x00
422 ,0x5b,0x5b,0xad,0xad,0xad,0x64,0x5b,0x00,0xad,0x64,0x5b,0x5b,0x5b,0x5b
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424 ,0x0a,0x09,0x09,0x00,0x5b,0x5b,0xad,0x64,0x64,0x64,0x5b,0x00,0x64,0x64
425 ,0x64,0x64,0x5b,0x5b,0x5b,0x00,0x65,0x13,0x1b,0x00,0x00,0x00,0x00,0x00
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427 ,0x5b,0x00,0x64,0x64,0x64,0x64,0x5b,0x64,0x5b,0x00,0x65,0x1b,0x13,0x00
428 ,0x09,0x09,0x0a,0x09,0x09,0x09,0x09,0x09,0x1b,0x0a,0x09,0x00,0x5b,0x5b
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458 const unsigned char *textures[] = {texture1, texture2, texture3, texture4};
460 void clearScreen()
462 memset(pixels,0,SCREEN_WIDTH * SCREEN_HEIGHT * sizeof(uint32_t));
465 void clearPixelCounter()
467 memset(pixelCounter,0,SCREEN_WIDTH * SCREEN_HEIGHT * sizeof(uint32_t));
470 static inline uint8_t rgbToIndex(uint8_t r, uint8_t g, uint8_t b)
472 return (r & 7) | ((g & 7) << 3) | ((b & 7) << 6);
475 uint8_t sampleImage(const unsigned char *image, RCL_Unit x, RCL_Unit y)
477 x = RCL_wrap(x,RCL_UNITS_PER_SQUARE);
478 y = RCL_wrap(y,RCL_UNITS_PER_SQUARE);
480 int32_t index =
481 image[1] * ((image[0] * x) / RCL_UNITS_PER_SQUARE) +
482 (image[0] * y) / RCL_UNITS_PER_SQUARE;
484 return image[2 + index];
487 uint8_t addIntensity(uint8_t color, int16_t intensity)
489 uint8_t r = color & 7;
490 uint8_t g = (color & 56) >> 3;
491 uint8_t b = (color & 172) >> 6;
493 if (intensity >= 0)
495 r += intensity;
496 r = r > 7 ? 7 : r;
498 g += intensity;
499 g = g > 7 ? 7 : g;
501 b += intensity / 2;
502 b = b > 3 ? 3 : b;
504 else
506 intensity *= -1;
507 r = (intensity > r) ? 0 : r - intensity;
508 g = (intensity > g) ? 0 : g - intensity;
509 intensity /= 2;
510 b = intensity > b ? 0 : b - intensity;
513 return rgbToIndex(r,g,b);
516 RCL_Unit textureAt(int16_t x, int16_t y)
518 if (x >= 0 && x < LEVEL_X_RES && y >= 0 && y < LEVEL_Y_RES)
519 return levelTexture[(LEVEL_Y_RES - y -1) * LEVEL_X_RES + x];
521 return 0;
524 RCL_Unit floorHeightAt(int16_t x, int16_t y)
526 if (x == 6 && (y == 13 || y == 14)) // moving lift
527 return ((RCL_absVal(-1 * (frame % 64) + 32)) * RCL_UNITS_PER_SQUARE) / 8;
529 if (x >= 0 && x < LEVEL_X_RES && y >= 0 && y < LEVEL_Y_RES)
530 return (levelFloor[(LEVEL_Y_RES - y -1) * LEVEL_X_RES + x] * RCL_UNITS_PER_SQUARE) / 8;
532 int a = RCL_absVal(x - LEVEL_X_RES / 2) - LEVEL_X_RES / 2;
533 int b = RCL_absVal(y - LEVEL_Y_RES / 2) - LEVEL_Y_RES / 2;
535 return (a > b ? a : b) * RCL_UNITS_PER_SQUARE;
538 RCL_Unit ceilingHeightAt(int16_t x, int16_t y)
540 int v = 1024;
542 if (x >= 0 && x < LEVEL_X_RES && y >= 0 && y < LEVEL_Y_RES)
543 v = levelCeiling[(LEVEL_Y_RES - y -1) * LEVEL_X_RES + x];
545 return (v * RCL_UNITS_PER_SQUARE) / 8;
549 Function for drawing a single pixel (like fragment shader). Bottleneck =>
550 should be as fast as possible.
552 void pixelFunc(RCL_PixelInfo *pixel)
554 uint8_t c;
556 if (pixel->isWall)
557 c = sampleImage(textures[pixel->hit.type],pixel->texCoords.x,pixel->texCoords.y);
558 else
559 c = pixel->height == RCL_FLOOR_TEXCOORDS_HEIGHT ?
560 sampleImage(textures[0],pixel->texCoords.x,pixel->texCoords.y) : 0b00010001;
562 int intensity = pixel->depth - 8 * RCL_UNITS_PER_SQUARE;
563 intensity = intensity < 0 ? 0 : intensity;
564 intensity = (intensity * 32) / RCL_UNITS_PER_SQUARE;
566 int32_t color = palette[c];
568 int32_t r = ((color & 0xFF000000) >> 24) - intensity;
569 r = r > 0 ? r : 0;
570 r = r << 24;
572 int32_t g = ((color & 0x00FF0000) >> 16) - intensity;
573 g = g > 0 ? g : 0;
574 g = g << 16;
576 int32_t b = ((color & 0x0000FF00) >> 8) - intensity;
577 b = b > 0 ? b : 0;
578 b = b << 8;
580 int32_t index = pixel->position.y * SCREEN_WIDTH + pixel->position.x;
582 pixels[index] = r | g | b;
583 pixelCounter[index]++;
586 void draw()
588 RCL_RayConstraints c;
590 c.maxHits = 32;
591 c.maxSteps = 32;
593 RCL_renderComplex(camera,floorHeightAt,ceilingHeightAt,textureAt,c);
596 int main()
598 for (uint8_t r = 0; r < 8; ++r)
599 for (uint8_t g = 0; g < 8; ++g)
600 for (uint8_t b = 0; b < 4; ++b)
601 palette[rgbToIndex(r,g,b)] = ((36 * r) << 24) | ((36 * g) << 16) | ((85 * b) << 8);
603 camera.position.x = 11237;
604 camera.position.y = 12392;
605 camera.shear = -50;
606 camera.direction = -415;
607 camera.height = 4648;
608 camera.resolution.x = SCREEN_WIDTH;
609 camera.resolution.y = SCREEN_HEIGHT;
611 SDL_Window *window = SDL_CreateWindow("raycasting", SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED, SCREEN_WIDTH, SCREEN_HEIGHT, SDL_WINDOW_SHOWN);
612 SDL_Renderer *renderer = SDL_CreateRenderer(window,-1,0);
613 SDL_Texture *texture = SDL_CreateTexture(renderer,SDL_PIXELFORMAT_RGBX8888, SDL_TEXTUREACCESS_STATIC, SCREEN_WIDTH, SCREEN_HEIGHT);
614 SDL_Surface *screenSurface = SDL_GetWindowSurface(window);
615 SDL_Event event;
617 int running = 1;
618 int fps = 0;
620 clock_t nextT;
622 while (running)
624 draw();
625 fps++;
627 SDL_UpdateTexture(texture,NULL,pixels,SCREEN_WIDTH * sizeof(uint32_t));
629 while (SDL_PollEvent(&event))
631 int newState = 0;
632 int keyIndex = -1;
634 switch (event.type)
636 case SDL_KEYDOWN:
637 newState = 1;
638 case SDL_KEYUP:
639 switch (event.key.keysym.scancode)
641 case SDL_SCANCODE_ESCAPE: running = 0; break;
642 case SDL_SCANCODE_UP: keyIndex = KEY_UP; break;
643 case SDL_SCANCODE_RIGHT: keyIndex = KEY_RIGHT; break;
644 case SDL_SCANCODE_DOWN: keyIndex = KEY_DOWN; break;
645 case SDL_SCANCODE_LEFT: keyIndex = KEY_LEFT; break;
646 case SDL_SCANCODE_Q: keyIndex = KEY_Q; break;
647 case SDL_SCANCODE_W: keyIndex = KEY_W; break;
648 case SDL_SCANCODE_A: keyIndex = KEY_A; break;
649 case SDL_SCANCODE_S: keyIndex = KEY_S; break;
650 default: break;
652 break;
654 case SDL_QUIT:
655 running = 0;
656 break;
658 default:
659 break;
662 if (keyIndex >= 0)
663 keys[keyIndex] = newState;
666 int step = 1;
667 int step2 = 5;
669 RCL_Vector2D direction = RCL_angleToDirection(camera.direction);
671 direction.x /= 10;
672 direction.y /= 10;
674 if (keys[KEY_UP])
676 camera.position.x += step * direction.x;
677 camera.position.y += step * direction.y;
679 else if (keys[KEY_DOWN])
681 camera.position.x -= step * direction.x;
682 camera.position.y -= step * direction.y;
685 if (keys[KEY_Q])
686 camera.height += step * 100;
687 else if (keys[KEY_W])
688 camera.height -= step * 100;
690 if (keys[KEY_RIGHT])
691 camera.direction += step2;
692 else if (keys[KEY_LEFT])
693 camera.direction -= step2;
695 const int shearAdd = 10;
697 if (keys[KEY_A])
698 camera.shear = camera.shear + shearAdd <= SCREEN_HEIGHT ? camera.shear + shearAdd : SCREEN_HEIGHT;
699 else if (keys[KEY_S])
700 camera.shear = camera.shear - shearAdd >= -1 * SCREEN_HEIGHT ? camera.shear - shearAdd : -1 * SCREEN_HEIGHT;
702 SDL_RenderClear(renderer);
703 SDL_RenderCopy(renderer,texture,NULL,NULL);
704 SDL_RenderPresent(renderer);
706 clock_t nowT = clock();
708 double timeDiff = ((double) (nowT - nextT)) / CLOCKS_PER_SEC;
710 fps++;
712 if (timeDiff >= 1.0)
714 nextT = nowT;
715 printf("FPS: %d\n",fps);
716 fps = 0;
719 frame++;
722 return 0;