2 Raycasting SDL test. This is a port of my Pokitto demo.
11 //#define RAYCAST_TINY
13 //#define RCL_USE_DIST_APPROX 2
15 #define RCL_COMPUTE_FLOOR_TEXCOORDS 1
16 #define RCL_HORIZONTAL_FOV (RCL_UNITS_PER_SQUARE / 5)
17 #define RCL_VERTICAL_FOV RCL_UNITS_PER_SQUARE // redefine camera vertical FOV
19 #define RCL_PIXEL_FUNCTION pixelFunc
21 #include "raycastlib.h"
23 #define LEVEL_X_RES 29
24 #define LEVEL_Y_RES 21
26 #define SCREEN_WIDTH 640
27 #define SCREEN_HEIGHT 480
28 #define MIDDLE_ROW (SCREEN_HEIGHT / 2)
30 #define TRANSPARENT_COLOR 0b00000111
32 #define max(a,b) ((a) > (b) ? (a) : (b))
46 unsigned long frame
= 0;
48 RCL_Unit zBuffer
[SCREEN_WIDTH
]; ///< 1D z-buffer for visibility determination.
52 uint32_t pixels
[SCREEN_WIDTH
* SCREEN_HEIGHT
];
53 uint32_t pixelCounter
[SCREEN_WIDTH
* SCREEN_HEIGHT
];
57 unsigned char *mImage
;
58 RCL_Vector2D mPosition
;
63 uint32_t palette
[256];
66 #define SPRITE_MAX_DISTANCE 5 * RCL_UNITS_PER_SQUARE
68 Sprite sprites
[SPRITES
];
70 /// For each level square says the texture index.
71 const unsigned char levelTexture
[] =
73 // 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
74 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
75 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
76 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
77 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
78 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
79 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
80 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
81 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
82 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
83 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
84 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
85 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
86 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
87 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
88 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
89 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
90 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
91 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
92 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
93 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
94 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
97 /// For each level square says the floor height.
98 const signed char levelFloor
[] =
100 // 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
101 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
102 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
103 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
104 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
105 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
106 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
107 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
108 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
109 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
110 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
111 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
112 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
113 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
114 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
115 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
116 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
117 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
118 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
119 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
120 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
121 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
124 #define XX 127 // helper to keep a big number two-characters, for formatting
126 /// For each level square says the ceiling height.
127 const signed char levelCeiling
[] =
129 // 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
130 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
131 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
132 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
133 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
134 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
135 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
136 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
137 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
138 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
139 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
140 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
141 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
142 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
143 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
144 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
145 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
146 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
147 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
148 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
149 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
150 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
155 const unsigned char texture1
[] =
156 { 32, 32 // width, height
157 ,0x12,0x65,0x65,0x6d,0x24,0x64,0x5b,0x12,0x12,0x64,0x5b,0x5b,0x12,0x51
158 ,0x12,0x09,0x00,0x6d,0x6d,0x6d,0x24,0x5b,0x5b,0x52,0x12,0x5b,0x52,0x5b
159 ,0x12,0x5b,0x52,0x09,0x12,0x5b,0x5b,0x5b,0x52,0x5b,0x5b,0x52,0x00,0x64
160 ,0x64,0x52,0x52,0x52,0x5b,0x00,0x09,0x6d,0x5b,0x5a,0x5b,0x5b,0x5a,0x51
161 ,0x12,0x64,0x5b,0x52,0x5b,0x52,0x5b,0x08,0x12,0x24,0x5b,0x5b,0x5b,0x5b
162 ,0x09,0x11,0x00,0x64,0x5b,0x5b,0x5a,0x09,0x09,0x08,0x00,0x5b,0x5b,0x5b
163 ,0x5a,0x64,0x12,0x51,0x00,0x64,0x5b,0x52,0x52,0x11,0x09,0x09,0x12,0x24
164 ,0x5b,0x5b,0x52,0x5a,0x12,0x09,0x00,0x5b,0x52,0x09,0x12,0x09,0x09,0x09
165 ,0x00,0x24,0x5a,0x5a,0x5b,0x51,0x12,0x08,0x09,0x25,0x5b,0x52,0x5b,0x52
166 ,0x11,0x09,0x12,0x64,0x5b,0x52,0x09,0x11,0x12,0x09,0x00,0x12,0x00,0x12
167 ,0x00,0x00,0x00,0x08,0x09,0x64,0x5b,0x51,0x12,0x11,0x12,0x08,0x09,0x64
168 ,0x5a,0x5b,0x12,0x12,0x09,0x09,0x12,0x65,0x5c,0x52,0x5a,0x5b,0x51,0x09
169 ,0x00,0x64,0x6d,0x6d,0x5c,0x65,0x64,0x09,0x00,0x24,0x64,0x5b,0x09,0x12
170 ,0x11,0x00,0x09,0x64,0x5b,0x52,0x52,0x12,0x12,0x08,0x00,0x64,0x52,0x52
171 ,0x52,0x52,0x5b,0x09,0x00,0x6d,0x5b,0x5b,0x52,0x5b,0x51,0x09,0x00,0x1b
172 ,0x5b,0x12,0x12,0x12,0x12,0x09,0x12,0x5b,0x11,0x09,0x11,0x09,0x09,0x09
173 ,0x09,0x5b,0x09,0x09,0x09,0x09,0x09,0x09,0x12,0x65,0x5b,0x5b,0x5b,0x52
174 ,0x5b,0x09,0x00,0x64,0x12,0x63,0x5b,0x12,0x5b,0x09,0x00,0x00,0x00,0x00
175 ,0x00,0x09,0x00,0x00,0x00,0x09,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x5b
176 ,0x64,0x5b,0x09,0x5b,0x52,0x09,0x09,0x5b,0x11,0x52,0x09,0x12,0x09,0x08
177 ,0x00,0x1b,0x1b,0x23,0x1b,0x5a,0x5b,0x11,0x12,0x64,0x64,0x6d,0x24,0x5b
178 ,0x5b,0x09,0x00,0x5b,0x5a,0x52,0x52,0x09,0x08,0x09,0x12,0x5b,0x52,0x11
179 ,0x5a,0x11,0x12,0x08,0x08,0x1b,0x52,0x52,0x5b,0x5a,0x09,0x09,0x12,0x64
180 ,0x5b,0x64,0x12,0x12,0x12,0x08,0x00,0x00,0x00,0x12,0x09,0x00,0x09,0x00
181 ,0x12,0x24,0x5a,0x52,0x12,0x12,0x12,0x08,0x12,0x1b,0x12,0x5a,0x49,0x5a
182 ,0x52,0x09,0x12,0x6d,0x5b,0x52,0x5a,0x12,0x09,0x09,0x12,0x65,0x64,0x6d
183 ,0x6d,0x64,0x64,0x5b,0x00,0x5a,0x08,0x08,0x09,0x09,0x08,0x09,0x00,0x5b
184 ,0x5a,0x11,0x51,0x51,0x5a,0x09,0x12,0x6d,0x5b,0x5b,0x12,0x11,0x12,0x09
185 ,0x00,0x65,0x5b,0x64,0x5b,0x5b,0x5b,0x52,0x00,0x00,0x12,0x12,0x12,0x09
186 ,0x00,0x00,0x00,0x5a,0x52,0x52,0x09,0x52,0x09,0x09,0x12,0x63,0x5b,0x5a
187 ,0x09,0x5b,0x11,0x08,0x00,0x65,0x5b,0x5b,0x52,0x5b,0x52,0x52,0x00,0x65
188 ,0x6d,0x64,0x65,0x64,0x64,0x5b,0x00,0x5b,0x12,0x09,0x11,0x09,0x09,0x09
189 ,0x09,0x5b,0x11,0x08,0x09,0x09,0x09,0x08,0x00,0x64,0x64,0x5b,0x5b,0x5b
190 ,0x5b,0x09,0x00,0x5b,0x5b,0x5b,0x5b,0x5b,0x52,0x52,0x00,0x64,0x51,0x52
191 ,0x52,0x52,0x09,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x12,0x00,0x00,0x5b
192 ,0x5b,0x5b,0x52,0x52,0x5b,0x09,0x12,0x65,0x5b,0x5b,0x5b,0x52,0x5b,0x09
193 ,0x00,0x63,0x5a,0x51,0x51,0x51,0x5a,0x08,0x12,0x24,0x64,0x65,0x24,0x64
194 ,0x64,0x5b,0x00,0x5b,0x5b,0x52,0x5b,0x5b,0x52,0x09,0x00,0x64,0x5b,0x5b
195 ,0x12,0x52,0x5a,0x09,0x12,0x24,0x52,0x52,0x09,0x52,0x52,0x08,0x12,0x64
196 ,0x64,0x5b,0x5b,0x5b,0x64,0x52,0x00,0x6d,0x5b,0x52,0x5b,0x52,0x52,0x08
197 ,0x00,0x5b,0x5b,0x52,0x52,0x5b,0x52,0x09,0x00,0x1b,0x52,0x51,0x5a,0x52
198 ,0x09,0x09,0x12,0x64,0x52,0x5c,0x5b,0x64,0x5b,0x51,0x09,0x6d,0x5b,0x52
199 ,0x5b,0x52,0x11,0x09,0x00,0x64,0x5a,0x64,0x5b,0x52,0x5b,0x08,0x00,0x11
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201 ,0x12,0x65,0x64,0x5b,0x52,0x5b,0x52,0x09,0x12,0x64,0x64,0x64,0x52,0x09
202 ,0x5c,0x08,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x12,0x64,0x5b,0x64
203 ,0x52,0x5b,0x52,0x49,0x00,0x64,0x5b,0x52,0x52,0x5b,0x51,0x09,0x09,0x5b
204 ,0x09,0x09,0x09,0x08,0x09,0x12,0x00,0x6d,0x24,0x6d,0x24,0x64,0x64,0x5b
205 ,0x00,0x64,0x63,0x5b,0x5b,0x52,0x52,0x09,0x12,0x64,0x5b,0x5b,0x52,0x11
206 ,0x5b,0x09,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x09,0x12,0x6d,0x64,0x5b
207 ,0x52,0x64,0x5b,0x52,0x12,0x6d,0x5b,0x5b,0x5b,0x5b,0x5b,0x09,0x00,0x64
208 ,0x11,0x5a,0x52,0x5b,0x52,0x09,0x00,0x5b,0x5a,0x63,0x5a,0x23,0x12,0x00
209 ,0x12,0x6d,0x5b,0x11,0x5b,0x64,0x64,0x52,0x12,0x63,0x5b,0x5b,0x5b,0x5b
210 ,0x52,0x08,0x00,0x5c,0x52,0x5b,0x5b,0x52,0x52,0x08,0x08,0x5b,0x52,0x51
211 ,0x09,0x52,0x5a,0x09,0x00,0x6d,0x52,0x11,0x52,0x5b,0x52,0x09,0x12,0x64
212 ,0x5a,0x5b,0x52,0x5b,0x5b,0x08,0x00,0x5b,0x52,0x09,0x09,0x09,0x09,0x09
213 ,0x09,0x24,0x52,0x09,0x12,0x09,0x52,0x08,0x00,0x5b,0x5a,0x52,0x12,0x5b
214 ,0x5b,0x09,0x00,0x65,0x52,0x5b,0x5b,0x52,0x11,0x09,0x09,0x00,0x00,0x00
215 ,0x00,0x12,0x00,0x08,0x00,0x5b,0x52,0x51,0x09,0x09,0x09,0x09,0x00,0x64
216 ,0x5b,0x52,0x52,0x09,0x5b,0x09,0x12,0x6d,0x5b,0x5b,0x5b,0x5b,0x5a,0x11
217 ,0x00,0x6d,0x6d,0x24,0x64,0x64,0x5b,0x5b,0x00,0x5a,0x12,0x52,0x12,0x09
218 ,0x12,0x08,0x00,0x5b,0x12,0x09,0x09,0x09,0x08,0x09,0x00,0x64,0x5b,0x5b
219 ,0x52,0x5a,0x5b,0x09,0x12,0x6d,0x64,0x5a,0x5b,0x5b,0x5b,0x5b,0x00,0x5a
220 ,0x11,0x52,0x09,0x12,0x09,0x09,0x09,0x00,0x00,0x00,0x00,0x12,0x12,0x12
221 ,0x12,0x64,0x52,0x5b,0x5b,0x5b,0x5b,0x09,0x12,0x6d,0x12,0x5b,0x12,0x52
222 ,0x5b,0x52,0x09,0x5a,0x09,0x51,0x09,0x09,0x09,0x09,0x09,0x5c,0x64,0x6d
223 ,0x1b,0x24,0x64,0x08,0x12,0x64,0x5b,0x52,0x5b,0x5b,0x52,0x09,0x00,0x5b
224 ,0x5b,0x52,0x11,0x5b,0x12,0x09,0x08,0x5b,0x5a,0x09,0x51,0x52,0x12,0x08
225 ,0x00,0x5b,0x5b,0x11,0x5b,0x5b,0x5b,0x08,0x09,0x5b,0x12,0x52,0x52,0x09
226 ,0x09,0x09,0x00,0x6d,0x5b,0x52,0x52,0x12,0x12,0x09,0x08,0x11,0x00,0x49
227 ,0x09,0x00,0x09,0x00,0x00,0x6d,0x12,0x5b,0x52,0x5b,0x52,0x09,0x00,0x00
228 ,0x09,0x09,0x12,0x00,0x12,0x00,0x00,0x64,0x52,0x5b,0x52,0x5b,0x52,0x09
229 ,0x09,0x00,0x00,0x00,0x00,0x09,0x00,0x00,0x00,0x64,0x52,0x5b,0x5b,0x52
233 const unsigned char texture2
[] =
234 { 32, 32 // width, height
235 ,0x65,0x1d,0x01,0x1c,0x12,0x0a,0x01,0x13,0x14,0x6e,0x2e,0x0b,0x1c,0x1d
236 ,0x2e,0x1d,0x13,0x0b,0x13,0x65,0x1d,0x1d,0x13,0x66,0x6f,0x6e,0x65,0x6f
237 ,0x77,0x7f,0x6f,0x6f,0x1d,0x14,0x13,0x6e,0x6e,0x66,0x6f,0x77,0x77,0x6f
238 ,0x66,0x66,0x13,0x25,0x0a,0x01,0x6e,0x66,0x01,0x12,0x02,0x01,0x1b,0x6e
239 ,0x77,0x77,0x77,0x77,0x77,0x6f,0x6f,0x6e,0x1c,0x1d,0x1c,0x77,0x67,0x6f
240 ,0x6f,0x77,0x67,0x77,0x77,0x66,0x13,0x0a,0x14,0x77,0x66,0x6f,0x77,0x66
241 ,0x1b,0x13,0x66,0x77,0x6f,0x77,0x6f,0x6f,0x6f,0x26,0x6e,0x1d,0x25,0x14
242 ,0x13,0x6e,0x6f,0x6f,0x77,0x6f,0x77,0x77,0x77,0x1d,0x1d,0x01,0x25,0x67
243 ,0x7f,0x6f,0x6f,0x66,0x66,0x14,0x66,0x6f,0x7f,0x6f,0x77,0x6f,0x1d,0x25
244 ,0x1d,0x66,0x1d,0x65,0x14,0x2e,0x26,0x77,0x6d,0x67,0x6f,0x25,0x6f,0x5e
245 ,0x5d,0x0b,0x5d,0x6f,0x6f,0x26,0x1d,0x77,0x66,0x1c,0x13,0x6f,0x6f,0x6f
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247 ,0x67,0x66,0x66,0x65,0x14,0x1c,0x25,0x65,0x6e,0x66,0x66,0x6e,0x66,0x1c
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261 ,0x0b,0x1d,0x6e,0x77,0x7f,0x77,0x5e,0x1c,0x65,0x6f,0x7f,0x6e,0x6f,0x77
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263 ,0x0a,0x09,0x13,0x12,0x1d,0x66,0x6f,0x66,0x5e,0x6e,0x66,0x25,0x14,0x25
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265 ,0x77,0x1d,0x77,0x13,0x66,0x77,0x6f,0x6f,0x6f,0x77,0x6f,0x66,0x77,0x77
266 ,0x6f,0x6e,0x13,0x25,0x26,0x25,0x66,0x65,0x66,0x66,0x6e,0x66,0x6e,0x14
267 ,0x09,0x66,0x6f,0x6e,0x2f,0x6e,0x26,0x1c,0x6f,0x66,0x6f,0x7f,0x6f,0x7f
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277 ,0x1d,0x6f,0x66,0x1d,0x1d,0x1d,0x6e,0x1d,0x0b,0x6e,0x6f,0x77,0x7f,0x6f
278 ,0x77,0x77,0x66,0x66,0x13,0x5d,0x13,0x0a,0x01,0x1c,0x13,0x0a,0x6e,0x09
279 ,0x1d,0x65,0x25,0x66,0x66,0x6e,0x65,0x25,0x65,0x6e,0x1d,0x65,0x13,0x65
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281 ,0x77,0x6f,0x25,0x0a,0x1c,0x1d,0x1d,0x66,0x1d,0x6e,0x15,0x26,0x25,0x5e
282 ,0x25,0x13,0x1d,0x77,0x77,0x66,0x66,0x6e,0x6f,0x77,0x7f,0x6e,0x12,0x13
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286 ,0x14,0x1d,0x1c,0x1d,0x1d,0x14,0x1d,0x0a,0x09,0x1c,0x66,0x77,0x66,0x67
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289 ,0x13,0x66,0x2e,0x66,0x77,0x6e,0x1e,0x25,0x25,0x6e,0x0a,0x13,0x6e,0x67
290 ,0x26,0x67,0x6f,0x77,0x67,0x6f,0x1d,0x6e,0x14,0x0a,0x01,0x13,0x01,0x25
291 ,0x66,0x77,0x66,0x65,0x1c,0x0b,0x66,0x25,0x66,0x66,0x25,0x6e,0x66,0x1d
292 ,0x14,0x0a,0x1d,0x66,0x66,0x66,0x6f,0x6e,0x6f,0x6f,0x5d,0x1d,0x0a,0x25
293 ,0x26,0x6f,0x6f,0x6f,0x7f,0x6f,0x6f,0x6f,0x77,0x0a,0x09,0x1d,0x6f,0x6e
294 ,0x15,0x25,0x1c,0x1d,0x1d,0x13,0x25,0x66,0x1c,0x6e,0x66,0x26,0x66,0x66
295 ,0x25,0x1c,0x0a,0x66,0x6f,0x7f,0x6f,0x6f,0x6f,0x66,0x6f,0x77,0x6e,0x66
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297 ,0x1d,0x1d,0x6e,0x25,0x13,0x1d,0x14,0x5e,0x77,0x27,0x7f,0x77,0x7f,0x67
298 ,0x66,0x67,0x1d,0x1d,0x13,0x09,0x76,0x66,0x24,0x1c,0x1b,0x13,0x13,0x1d
299 ,0x25,0x25,0x5e,0x1d,0x6e,0x25,0x1c,0x25,0x66,0x1d,0x09,0x1d,0x77,0x6f
300 ,0x66,0x6f,0x66,0x66,0x66,0x6e,0x65,0x66,0x65,0x1c,0x1d,0x1d,0x65,0x14
301 ,0x1c,0x25,0x0a,0x0a,0x0a,0x25,0x1d,0x66,0x14,0x25,0x66,0x6e,0x1d,0x25
302 ,0x09,0x1c,0x66,0x77,0x6f,0x66,0x7f,0x77,0x1d,0x6e,0x1c,0x1d,0x1d,0x0a
303 ,0x25,0x66,0x1d,0x25,0x13,0x0a,0x1d,0x14,0x1e,0x13,0x1d,0x14,0x65,0x66
304 ,0x66,0x25,0x1d,0x14,0x0a,0x14,0x15,0x65,0x7f,0x77,0x66,0x25,0x1d,0x1d
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311 const unsigned char texture3
[] =
312 { 32, 32 // width, height
313 ,0xb6,0x3d,0x33,0x33,0x3e,0x33,0x2a,0x29,0x2a,0x29,0x2a,0x20,0x29,0x29
314 ,0x2a,0x29,0x10,0x10,0x10,0x49,0x58,0x99,0x50,0x50,0x10,0x4b,0x54,0x54
315 ,0x55,0x55,0x4a,0x49,0x29,0x3d,0x3d,0x7c,0x3d,0x33,0x34,0x3d,0x33,0x33
316 ,0x33,0x20,0x20,0x29,0x10,0x20,0x10,0x50,0x10,0x49,0x10,0x99,0x51,0x51
317 ,0x33,0x10,0x53,0x66,0x67,0x15,0x54,0x4b,0x7f,0x33,0x7f,0x3d,0x3e,0x3d
318 ,0x33,0x3d,0x29,0x29,0x2a,0x20,0x20,0x2a,0x10,0x20,0x10,0x51,0x50,0x50
319 ,0x58,0x51,0x51,0x51,0x33,0x33,0x10,0x55,0x5e,0x67,0x26,0x66,0x29,0x7f
320 ,0x3e,0x3d,0x3d,0x33,0x3d,0x33,0x29,0x10,0x10,0x20,0x33,0x10,0x10,0x2a
321 ,0x58,0x59,0x50,0x10,0x51,0x51,0x10,0x51,0x52,0x37,0x37,0x10,0x10,0x5d
322 ,0x53,0x55,0x6c,0x3e,0x3d,0x33,0x33,0x3d,0x33,0x29,0x10,0x2a,0x20,0x20
323 ,0x29,0x20,0x10,0x10,0x58,0x10,0x10,0x10,0x58,0x49,0x51,0x99,0x49,0x37
324 ,0x37,0x33,0x33,0x10,0x10,0x49,0x7f,0x7f,0x33,0x3d,0x3d,0x7f,0x33,0x3e
325 ,0x29,0x2a,0x29,0x2a,0x29,0x2a,0x20,0x20,0x20,0x50,0x51,0x10,0x58,0x51
326 ,0x51,0x99,0x49,0x00,0x33,0x10,0x10,0x10,0x10,0x10,0x3d,0x7f,0x3d,0x33
327 ,0x3d,0x3d,0x33,0x2a,0x2a,0x20,0x29,0x29,0x29,0x10,0x20,0x19,0x10,0x19
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[] =
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460 ,0x09,0x09,0x09,0x09,0x09,0x09,0x09,0x09,0x09,0x00,0x09,0x12,0x5b,0x5b
461 ,0x5b,0x12,0x5b,0x00,0xad,0xad,0x64,0x64,0xad,0x64,0x5b,0x00,0x0a,0x00
462 ,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00
463 ,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xad,0x64,0xad,0x64,0xad,0x64
467 const unsigned char sprite1
[] =
468 { 32, 32 // width, height
469 ,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x00
470 ,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x07,0x07,0x07,0x07,0x07,0x07
471 ,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07
472 ,0x00,0x00,0x00,0x64,0x64,0x64,0x76,0x64,0x64,0x64,0x64,0x64,0x00,0x07
473 ,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07
474 ,0x07,0x07,0x00,0x00,0x64,0x76,0x64,0x00,0x00,0x00,0x00,0x00,0x00,0x00
475 ,0x00,0x00,0x07,0x07,0x07,0x07,0x00,0x00,0x00,0x00,0x00,0x00,0x07,0x07
476 ,0x07,0x07,0x07,0x07,0x00,0x00,0x76,0x64,0x00,0x00,0x00,0x09,0x09,0x09
477 ,0x00,0x00,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x00,0x52,0x76,0x76,0x64
478 ,0x52,0x00,0x07,0x07,0x07,0x07,0x00,0x00,0x76,0x64,0x00,0x09,0x09,0x09
479 ,0x09,0x09,0x52,0x00,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x00,0x00,0x52
480 ,0x09,0x76,0x52,0x64,0x52,0x00,0x07,0x07,0x07,0x00,0xff,0x76,0x09,0x09
481 ,0x52,0x09,0x52,0x09,0x09,0x52,0x09,0x00,0x07,0x07,0x07,0x07,0x07,0x07
482 ,0x00,0x76,0x76,0x64,0x52,0x64,0x09,0x64,0x52,0x00,0x07,0x07,0x00,0xff
483 ,0x09,0x09,0x09,0x52,0x09,0x52,0x09,0x52,0x52,0x52,0x52,0x00,0x00,0x07
484 ,0x07,0x07,0x07,0x00,0x52,0x76,0x52,0x64,0x09,0x76,0x52,0x64,0x52,0x00
485 ,0x07,0x00,0x76,0x52,0x52,0x64,0x64,0x52,0x52,0x52,0x52,0x64,0x52,0x64
486 ,0x64,0x64,0x64,0x00,0x07,0x07,0x00,0x52,0x09,0x76,0x09,0x64,0x52,0x76
487 ,0x09,0x64,0x52,0x00,0x00,0x76,0x64,0x00,0x00,0x00,0x00,0x00,0x64,0x52
488 ,0x52,0x52,0x52,0x52,0x00,0x00,0x00,0x07,0x07,0x07,0x00,0x52,0x09,0x64
489 ,0x52,0x64,0x52,0x76,0x52,0x64,0x52,0x00,0x00,0xff,0x00,0x07,0x07,0x07
490 ,0x07,0x07,0x00,0x64,0x52,0x52,0x52,0x00,0x00,0x00,0x07,0x07,0x07,0x07
491 ,0x00,0x00,0x09,0x76,0x09,0x64,0x09,0x64,0x52,0x52,0x52,0x00,0x07,0x00
492 ,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x00,0x64,0x52,0x00,0x00,0x76,0x76
493 ,0x00,0x07,0x07,0x07,0x00,0x64,0x09,0x76,0x52,0x64,0x09,0x76,0x09,0x52
494 ,0x52,0x00,0x07,0x07,0x07,0x07,0x07,0x00,0x00,0x00,0x07,0x00,0x64,0x09
495 ,0x00,0x76,0x64,0x00,0x00,0x07,0x07,0x07,0x00,0x52,0x00,0x76,0x09,0x52
496 ,0x09,0x64,0x52,0x64,0x52,0x00,0x07,0x00,0x07,0x07,0x00,0x64,0x76,0x64
497 ,0x00,0x07,0x00,0x09,0x76,0x64,0x76,0x00,0x76,0x00,0x07,0x00,0x64,0x64
498 ,0x09,0x64,0x52,0x64,0x09,0x76,0x52,0x64,0x52,0x00,0x00,0xff,0x00,0x00
499 ,0x76,0x00,0x00,0x64,0x64,0x00,0x52,0x52,0x64,0x00,0x00,0x76,0x64,0x64
500 ,0x00,0x64,0x00,0x00,0x09,0x76,0x09,0x64,0x09,0x76,0x52,0x52,0x52,0x00
501 ,0x07,0x00,0x76,0x76,0x00,0x07,0x07,0x00,0x64,0x00,0x09,0x64,0x52,0x64
502 ,0x64,0x64,0x00,0x00,0x64,0x00,0x00,0x52,0x09,0x64,0x09,0x52,0x00,0x76
503 ,0x09,0x64,0x52,0x00,0x07,0x07,0x00,0x00,0x07,0x07,0x07,0x00,0x64,0x52
504 ,0x64,0x52,0x52,0x64,0x64,0x00,0x07,0x07,0x00,0x07,0x00,0x52,0x09,0x64
505 ,0x52,0x52,0x00,0x64,0x09,0x52,0x52,0x00,0x07,0x07,0x00,0x00,0x07,0x07
506 ,0x07,0x00,0x64,0x52,0x64,0x52,0x52,0x52,0x64,0x00,0x07,0x07,0x00,0x07
507 ,0x00,0x52,0x00,0x64,0x09,0x64,0x00,0x64,0x09,0x52,0x52,0x00,0x07,0x00
508 ,0x64,0x64,0x00,0x07,0x07,0x00,0x52,0x00,0x09,0x64,0x52,0x52,0x52,0x64
509 ,0x00,0x00,0x64,0x00,0x00,0x09,0x00,0x76,0x09,0x52,0x00,0x76,0x09,0x52
510 ,0x52,0x00,0x00,0x64,0x00,0x00,0x64,0x00,0x00,0x52,0x64,0x00,0x52,0x52
511 ,0x64,0x00,0x00,0x64,0x64,0x64,0x00,0x64,0x00,0x00,0x00,0x64,0x09,0x52
512 ,0x00,0x64,0x52,0x52,0x52,0x00,0x07,0x00,0x07,0x07,0x00,0x52,0x64,0x52
513 ,0x00,0x07,0x00,0x09,0x64,0x64,0x64,0x00,0x64,0x00,0x07,0x00,0x64,0x64
514 ,0x00,0x64,0x09,0x52,0x00,0x64,0x09,0x64,0x52,0x00,0x07,0x07,0x07,0x07
515 ,0x07,0x00,0x00,0x00,0x07,0x00,0x64,0x00,0x00,0x64,0x52,0x00,0x00,0x07
516 ,0x07,0x07,0x00,0x52,0x09,0x64,0x52,0x52,0x00,0x64,0x52,0x52,0x52,0x00
517 ,0x07,0x00,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x00,0x64,0x00,0x00,0x00
518 ,0x64,0x64,0x00,0x07,0x07,0x07,0x00,0x64,0x00,0x64,0x09,0x52,0x00,0x52
519 ,0x09,0x52,0x52,0x00,0x00,0x64,0x00,0x07,0x07,0x07,0x07,0x07,0x00,0x64
520 ,0x00,0x00,0x09,0x00,0x00,0x00,0x07,0x07,0x07,0x07,0x00,0x00,0x00,0x52
521 ,0x52,0x52,0x00,0x64,0x09,0x52,0x52,0x00,0x00,0x64,0x64,0x00,0x00,0x00
522 ,0x00,0x00,0x64,0x00,0x00,0x09,0x09,0x09,0x00,0x00,0x00,0x00,0x07,0x07
523 ,0x00,0x00,0x00,0x64,0x09,0x52,0x00,0x52,0x09,0x52,0x52,0x00,0x07,0x00
524 ,0x64,0x00,0x09,0x52,0x52,0x52,0x09,0x09,0x52,0x09,0x52,0x52,0x52,0x52
525 ,0x52,0x00,0x00,0x07,0x00,0x09,0x00,0x52,0x09,0x52,0x00,0x52,0x52,0x52
526 ,0x52,0x00,0x07,0x07,0x00,0x64,0x00,0x09,0x09,0x09,0x09,0x09,0x09,0x09
527 ,0x09,0x09,0x09,0x00,0x00,0x00,0x07,0x07,0x07,0x00,0x09,0x64,0x52,0x52
528 ,0x00,0x64,0x09,0x52,0x52,0x00,0x07,0x07,0x07,0x00,0x64,0x64,0x00,0x09
529 ,0x09,0x52,0x09,0x09,0x09,0x09,0x52,0x00,0x00,0x07,0x07,0x07,0x07,0x07
530 ,0x00,0x52,0x52,0x52,0x00,0x52,0x09,0x52,0x52,0x00,0x07,0x07,0x07,0x07
531 ,0x00,0x00,0x64,0x64,0x09,0x09,0x09,0x52,0x09,0x52,0x09,0x00,0x00,0x00
532 ,0x00,0x07,0x07,0x07,0x07,0x00,0x00,0x00,0x00,0x64,0x52,0x52,0x52,0x00
533 ,0x07,0x07,0x07,0x07,0x07,0x07,0x00,0x00,0x64,0x64,0x09,0x09,0x52,0x09
534 ,0x52,0x09,0x00,0x00,0x00,0x00,0x07,0x07,0x07,0x07,0x00,0x00,0x09,0x52
535 ,0x52,0x52,0x52,0x00,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x00,0x00
536 ,0x64,0x64,0x64,0x09,0x09,0x09,0x09,0x09,0x00,0x00,0x00,0x00,0x07,0x07
537 ,0x07,0x07,0x00,0x00,0x00,0x00,0x00,0x00,0x07,0x07,0x07,0x07,0x07,0x07
538 ,0x07,0x07,0x07,0x07,0x00,0x00,0x00,0x64,0x64,0x64,0x64,0x64,0x64,0x64
539 ,0x64,0x64,0x00,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07
540 ,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x00,0x00,0x00
541 ,0x00,0x00,0x00,0x00,0x00,0x00,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07
545 const unsigned char sprite2
[] =
546 { 32, 32 // width, height
547 ,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07
548 ,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07
549 ,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07
550 ,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07
551 ,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07
552 ,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07
553 ,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07
554 ,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07
555 ,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07
556 ,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07
557 ,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07
558 ,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07
559 ,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x00,0x00,0x00,0x07,0x07,0x07
560 ,0x07,0x07,0x07,0x07,0x07,0x07,0x00,0x07,0x07,0x07,0x07,0x07,0x07,0x07
561 ,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x00,0xbf,0xbf
562 ,0xbf,0x00,0x07,0x07,0x07,0x07,0x07,0x00,0x00,0x00,0x27,0x00,0x07,0x07
563 ,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07
564 ,0x07,0x00,0xbf,0x5b,0x5b,0x00,0x00,0x00,0x00,0x00,0x00,0x27,0x27,0x27
565 ,0x0c,0x00,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07
566 ,0x07,0x07,0x07,0x07,0x00,0x52,0x6d,0x5b,0x09,0x0c,0x0c,0x0c,0x27,0x27
567 ,0x27,0x0c,0x0a,0x0a,0x0a,0x00,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07
568 ,0x07,0x07,0x07,0x07,0x07,0x00,0x07,0x00,0x5b,0x09,0x09,0x09,0x0a,0x0a
569 ,0x0a,0x0a,0x0a,0x0a,0x0a,0x0a,0x0b,0x0b,0x0a,0x00,0x07,0x07,0x00,0x00
570 ,0x00,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x00,0x3f,0x00,0x5b,0x09,0x5b
571 ,0x09,0x00,0x02,0x01,0x01,0x0a,0x0a,0x0a,0x0a,0x0a,0x0a,0x0a,0x0a,0x00
572 ,0x00,0x07,0x00,0x3e,0xb6,0x00,0x07,0x00,0x07,0x07,0x07,0x00,0x15,0x15
573 ,0x3d,0x09,0x09,0x09,0x00,0x01,0x01,0x0a,0x0a,0x0a,0x0a,0x0a,0x0a,0x01
574 ,0x01,0x01,0x01,0x52,0x52,0x00,0x07,0x00,0x3e,0x6d,0x00,0xb6,0x00,0x07
575 ,0x00,0x0c,0x0c,0x15,0x15,0x3d,0x00,0x00,0x0a,0x0a,0x00,0x00,0x00,0x01
576 ,0x01,0x01,0x01,0x01,0x01,0x01,0x52,0x6d,0x52,0x00,0x07,0x07,0x00,0x3d
577 ,0x5b,0x6d,0x00,0x00,0x27,0x27,0x0c,0x0c,0x15,0x3f,0x00,0x01,0x00,0x00
578 ,0x09,0x00,0x52,0x00,0x09,0x00,0x00,0x00,0x01,0x01,0x09,0xb6,0x09,0x00
579 ,0x07,0x07,0x07,0x00,0x3d,0x09,0x00,0x0a,0x0c,0x15,0x27,0x09,0x09,0x09
580 ,0x09,0x00,0x3f,0x00,0x52,0x09,0x64,0x00,0x3d,0x3d,0x3f,0x64,0x64,0x09
581 ,0xb6,0x6d,0x09,0x00,0x07,0x07,0x00,0xbf,0x6d,0x00,0x5b,0x52,0x0a,0x09
582 ,0x09,0x09,0x5b,0x6d,0x09,0x5b,0x3d,0x00,0x64,0x00,0x64,0x09,0x00,0x1d
583 ,0x3f,0x5b,0x52,0x52,0x09,0x52,0x00,0x00,0x07,0x00,0xb6,0xff,0x3e,0x00
584 ,0x3e,0x3e,0x3d,0x09,0x5b,0x6d,0xbf,0xb6,0x52,0x3e,0x1d,0x3d,0x00,0x64
585 ,0x00,0x52,0x00,0x00,0x09,0x52,0x52,0x12,0x09,0x00,0x00,0x00,0x00,0x3d
586 ,0x3d,0x3d,0x00,0x00,0x00,0x00,0x09,0x09,0x09,0x6d,0x6d,0x52,0x52,0x3e
587 ,0x1d,0x3d,0x00,0x64,0x00,0x52,0x00,0x02,0x00,0x00,0x09,0x00,0x00,0x01
588 ,0x00,0x00,0x07,0x00,0x52,0x5b,0x3d,0x00,0x3d,0x3f,0x3f,0x09,0x5b,0x52
589 ,0x5b,0x6d,0x52,0x3d,0x1d,0x3f,0x00,0x64,0x00,0x52,0x00,0x01,0x01,0x01
590 ,0x01,0x0a,0x0a,0x0a,0x00,0x00,0x07,0x07,0x00,0x52,0x5b,0x00,0x52,0x52
591 ,0x0a,0x27,0x09,0x09,0x09,0x09,0x52,0x5b,0x3f,0x00,0x00,0x64,0x00,0x52
592 ,0x00,0x00,0x01,0x01,0x01,0x01,0x01,0x01,0x00,0x07,0x07,0x07,0x07,0x00
593 ,0x3f,0x09,0x00,0x0a,0x0c,0x27,0x0c,0x15,0x3f,0x09,0x09,0x09,0x3f,0x00
594 ,0x64,0x00,0x52,0x09,0x00,0x3d,0x3f,0x5b,0x00,0x00,0x01,0x01,0x00,0x07
595 ,0x07,0x07,0x00,0x1d,0x52,0x5b,0x00,0x0c,0x27,0x0c,0x0c,0x15,0x0c,0x3d
596 ,0x00,0x00,0x00,0x00,0x52,0x09,0x00,0x00,0x3f,0x3e,0x3d,0x52,0x52,0x64
597 ,0x09,0x52,0x00,0x00,0x07,0x00,0x1d,0x5b,0x00,0x5b,0x00,0x27,0x0c,0x0c
598 ,0x15,0x15,0x15,0x3d,0x52,0x52,0x0a,0x52,0xbf,0x6d,0x00,0x00,0x00,0x3f
599 ,0x52,0x12,0x12,0x09,0x64,0xb6,0x52,0x00,0x00,0x3f,0x5b,0x00,0x07,0x00
600 ,0x07,0x00,0x00,0x0c,0x27,0x15,0x15,0x3e,0x00,0x09,0x52,0xbf,0x6d,0x5b
601 ,0x0a,0x0a,0x0a,0x01,0x00,0x00,0x00,0x00,0x00,0x64,0x09,0x00,0x00,0x00
602 ,0x00,0x07,0x07,0x07,0x07,0x07,0x07,0x00,0x00,0x27,0x3e,0x27,0x27,0x15
603 ,0x09,0x00,0x00,0x0a,0x0a,0x0a,0x0a,0x0a,0x01,0x01,0x01,0x00,0x00,0x09
604 ,0x09,0x00,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x00
605 ,0x3d,0x0c,0x0c,0x27,0x27,0x27,0x27,0x15,0x0a,0x0a,0x0a,0x0a,0x0a,0x0a
606 ,0x01,0x01,0x01,0x0a,0x00,0x00,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07
607 ,0x07,0x07,0x07,0x07,0x00,0x00,0x00,0x00,0x00,0x00,0x15,0x27,0x27,0x27
608 ,0x27,0x15,0x15,0x0a,0x0a,0x0a,0x0a,0x0a,0x00,0x07,0x07,0x07,0x07,0x07
609 ,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07
610 ,0x00,0x00,0x00,0x00,0x00,0x00,0x15,0x15,0x15,0x15,0x15,0x15,0x00,0x07
611 ,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07
612 ,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x00,0x00,0x00,0x00
613 ,0x00,0x00,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07
614 ,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07
615 ,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07
616 ,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07
617 ,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07
618 ,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07
619 ,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07
623 const unsigned char sprite3
[] =
624 { 32, 32 // width, height
625 ,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x7b,0x7b,0x58,0x07,0x07
626 ,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07
627 ,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x7b,0x7b
628 ,0x7b,0x58,0x07,0x61,0x28,0x28,0x58,0x07,0x07,0x07,0x07,0x07,0x07,0x07
629 ,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07
630 ,0x07,0x08,0x7b,0x7b,0x58,0x58,0x08,0x7b,0x28,0x28,0x08,0x08,0x07,0x08
631 ,0x08,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07
632 ,0x07,0x7b,0x7b,0x28,0x58,0x08,0x7b,0x7b,0x58,0x58,0x7b,0x7b,0x28,0x28
633 ,0x08,0x08,0x08,0x08,0x08,0x08,0x08,0x07,0x07,0x07,0x07,0x07,0x07,0x07
634 ,0x07,0x07,0x07,0x07,0x07,0x7b,0x7b,0x7b,0x58,0x08,0x7b,0x7b,0x28,0x7b
635 ,0x7b,0x7b,0x08,0x08,0x08,0x58,0x58,0x08,0x58,0x58,0x58,0x07,0x07,0x07
636 ,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x7b,0x28,0x7b,0x08,0x58
637 ,0x28,0x7b,0x58,0x58,0x58,0x7b,0x58,0x08,0x08,0x58,0x58,0x58,0x58,0x58
638 ,0x08,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x13,0x07,0x07,0x28,0x7b
639 ,0x28,0x28,0x58,0x58,0x7b,0x7b,0x7b,0x28,0x7b,0x7b,0x58,0x08,0x08,0x08
640 ,0x58,0x08,0x08,0x08,0x08,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x13,0x09
641 ,0x07,0x07,0x28,0x7b,0x7b,0x28,0x28,0x7b,0x7b,0x7b,0x7b,0x28,0x7b,0x7b
642 ,0x08,0x08,0x08,0x08,0x08,0x08,0x08,0x58,0x58,0x58,0x58,0x08,0x07,0x07
643 ,0x07,0x07,0x65,0x09,0x07,0x07,0x58,0x28,0x7b,0x28,0x28,0x7b,0x7b,0x7b
644 ,0x28,0x28,0x7b,0x7b,0x08,0x08,0x58,0x58,0x7b,0x08,0x08,0x08,0x58,0x58
645 ,0x58,0x08,0x07,0x07,0x07,0x07,0x65,0x09,0x07,0x07,0x08,0x58,0x28,0x28
646 ,0x28,0x7b,0x7b,0x28,0x28,0x7b,0x7b,0x08,0x08,0x08,0x58,0x28,0x28,0x58
647 ,0x08,0x58,0x58,0x58,0x08,0x07,0x07,0x07,0x07,0x07,0x13,0x09,0x07,0x7b
648 ,0x08,0x08,0x28,0x28,0x28,0x28,0x28,0x28,0x28,0x28,0x28,0x08,0x08,0x08
649 ,0x58,0x28,0x28,0x58,0x08,0x08,0x08,0x08,0x08,0x07,0x07,0x07,0x07,0x65
650 ,0x13,0x09,0x7b,0x7b,0x08,0x58,0x28,0x28,0x28,0x28,0x28,0x28,0x28,0x7b
651 ,0x7b,0x08,0x08,0x58,0x58,0x58,0x28,0x08,0x08,0x08,0x08,0x08,0x08,0x07
652 ,0x07,0x07,0x65,0x65,0x13,0x09,0x7b,0x7b,0x7b,0x28,0x28,0x7b,0x7b,0x58
653 ,0x58,0x28,0x7b,0x7b,0x7b,0x28,0x08,0x08,0x58,0x58,0x28,0x08,0x08,0x08
654 ,0x08,0x08,0x08,0x08,0x07,0x07,0x65,0x13,0x09,0x13,0x7b,0x7b,0x28,0x28
655 ,0x28,0x28,0x7b,0x7b,0x58,0x58,0x7b,0x7b,0x28,0x28,0x08,0x08,0x08,0x08
656 ,0x08,0x08,0x08,0x08,0x08,0x08,0x08,0x08,0x09,0x65,0x13,0x13,0x65,0x13
657 ,0x07,0x7b,0x58,0x58,0x28,0x7b,0x7b,0x7b,0x58,0x58,0x58,0x28,0x28,0x28
658 ,0x08,0x08,0x08,0x08,0x08,0x08,0x58,0x58,0x28,0x28,0x08,0x08,0x09,0x13
659 ,0x13,0x65,0x65,0x13,0x7b,0x7b,0x7b,0x58,0x58,0x28,0x7b,0x7b,0x58,0x58
660 ,0x58,0x58,0x58,0x58,0x08,0x08,0x08,0x08,0x08,0x08,0x58,0x58,0x58,0x28
661 ,0x28,0x28,0x08,0x09,0x09,0x09,0x09,0x65,0x08,0x7b,0x7b,0x58,0x58,0x28
662 ,0x28,0x28,0x58,0x58,0x58,0x58,0x28,0x7b,0x28,0x58,0x08,0x08,0x08,0x08
663 ,0x08,0x58,0x28,0x28,0x28,0x28,0x28,0x09,0x13,0x65,0x65,0x65,0x58,0x7b
664 ,0x7b,0x7b,0x58,0x28,0x28,0x58,0x58,0x58,0x58,0x58,0x28,0x28,0x7b,0x58
665 ,0x08,0x08,0x08,0x08,0x08,0x08,0x58,0x28,0x28,0x28,0x09,0x09,0x13,0x13
666 ,0x13,0x09,0x58,0x7b,0x7b,0x28,0x28,0x28,0x28,0x58,0x58,0x58,0x58,0x58
667 ,0x28,0x7b,0x7b,0x08,0x08,0x08,0x08,0x08,0x08,0x08,0x58,0x58,0x08,0x08
668 ,0x09,0x09,0x09,0x09,0x09,0x09,0x07,0x28,0x28,0x28,0x28,0x28,0x7b,0x58
669 ,0x58,0x58,0x58,0x28,0x7b,0x28,0x08,0x08,0x08,0x08,0x28,0x28,0x08,0x58
670 ,0x58,0x28,0x08,0x09,0x09,0x09,0x09,0x09,0x09,0x09,0x07,0x28,0x58,0x28
671 ,0x28,0x28,0x7b,0x7b,0x28,0x28,0x58,0x7b,0x7b,0x7b,0x08,0x08,0x58,0x58
672 ,0x28,0x58,0x58,0x58,0x28,0x28,0x28,0x08,0x08,0x13,0x09,0x09,0x09,0x09
673 ,0x07,0x07,0x08,0x28,0x28,0x28,0x28,0x7b,0x7b,0x28,0x58,0x28,0x7b,0x7b
674 ,0x28,0x08,0x08,0x58,0x7b,0x08,0x58,0x58,0x28,0x28,0x28,0x08,0x08,0x07
675 ,0x13,0x09,0x09,0x09,0x07,0x07,0x58,0x28,0x28,0x7b,0x7b,0x7b,0x7b,0x28
676 ,0x58,0x58,0x28,0x28,0x28,0x08,0x08,0x08,0x28,0x08,0x08,0x58,0x58,0x58
677 ,0x08,0x08,0x07,0x07,0x07,0x13,0x09,0x09,0x07,0x07,0x28,0x7b,0x28,0x7b
678 ,0x28,0x7b,0x7b,0x58,0x08,0x08,0x08,0x08,0x28,0x08,0x08,0x08,0x58,0x08
679 ,0x08,0x08,0x58,0x08,0x08,0x07,0x07,0x07,0x07,0x13,0x13,0x09,0x07,0x07
680 ,0x28,0x7b,0x7b,0x7b,0x08,0x08,0x08,0x08,0x58,0x58,0x08,0x08,0x08,0x08
681 ,0x58,0x58,0x58,0x58,0x08,0x08,0x08,0x08,0x08,0x08,0x07,0x07,0x07,0x07
682 ,0x13,0x09,0x07,0x07,0x08,0x08,0x7b,0x7b,0x28,0x08,0x08,0x08,0x08,0x58
683 ,0x58,0x08,0x08,0x58,0x58,0x58,0x58,0x58,0x08,0x08,0x08,0x08,0x08,0x08
684 ,0x07,0x07,0x07,0x07,0x13,0x09,0x07,0x07,0x07,0x08,0x28,0x28,0x28,0x08
685 ,0x08,0x08,0x58,0x58,0x58,0x08,0x58,0x58,0x58,0x58,0x08,0x08,0x08,0x08
686 ,0x08,0x08,0x07,0x07,0x07,0x07,0x07,0x07,0x13,0x09,0x07,0x07,0x07,0x07
687 ,0x28,0x28,0x28,0x08,0x58,0x08,0x08,0x08,0x08,0x28,0x58,0x58,0x28,0x28
688 ,0x08,0x58,0x08,0x08,0x08,0x08,0x08,0x07,0x07,0x07,0x07,0x07,0x07,0x09
689 ,0x07,0x07,0x07,0x07,0x08,0x28,0x28,0x08,0x28,0x28,0x08,0x58,0x28,0x28
690 ,0x58,0x58,0x28,0x28,0x28,0x58,0x08,0x08,0x08,0x08,0x08,0x07,0x07,0x07
691 ,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x08,0x08,0x58,0x58,0x28,0x28
692 ,0x08,0x28,0x28,0x28,0x58,0x58,0x58,0x08,0x08,0x08,0x08,0x08,0x07,0x07
693 ,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x08
694 ,0x58,0x08,0x28,0x28,0x08,0x08,0x28,0x28,0x08,0x08,0x08,0x08,0x08,0x08
695 ,0x08,0x08,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07
696 ,0x07,0x07,0x07,0x07,0x07,0x28,0x28,0x58,0x58,0x08,0x18,0x18,0x08,0x08
697 ,0x08,0x08,0x08,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07
701 const unsigned char *textures
[] = {texture1
, texture2
, texture3
, texture4
};
705 memset(pixels
,0,SCREEN_WIDTH
* SCREEN_HEIGHT
* sizeof(uint32_t));
708 void clearPixelCounter()
710 memset(pixelCounter
,0,SCREEN_WIDTH
* SCREEN_HEIGHT
* sizeof(uint32_t));
713 void writePixelCounter()
715 printf("\npixel counter:\n");
717 for (int y
= 0; y
< SCREEN_HEIGHT
; ++y
)
719 for (int x
= 0; x
< SCREEN_WIDTH
; ++x
)
721 uint32_t count
= pixelCounter
[y
* SCREEN_WIDTH
+ x
];
723 if (count
!= 1) // each pixel should have been rendered only once
724 printf("error: pixel %d %d rendered %d times!\n",x
,y
,count
);
730 uint8_t rgbToIndex(uint8_t r
, uint8_t g
, uint8_t b
)
732 return (r
& 0b00000111) | ((g
& 0b00000111) << 3) | ((b
& 0b00000011) << 6);
735 uint8_t sampleImage(const unsigned char *image
, RCL_Unit x
, RCL_Unit y
)
739 x
= RCL_wrap(x
,RCL_UNITS_PER_SQUARE
);
740 y
= RCL_wrap(y
,RCL_UNITS_PER_SQUARE
);
743 image
[1] * ((image
[0] * x
) / RCL_UNITS_PER_SQUARE
) + (image
[0] * y
) /
744 RCL_UNITS_PER_SQUARE
;
746 return image
[2 + index
];
749 uint8_t addIntensity(uint8_t color
, int16_t intensity
)
751 uint8_t r
= color
& 0b00000111;
752 uint8_t g
= (color
& 0b00111000) >> 3;
753 uint8_t b
= (color
& 0b11000000) >> 6;
769 r
= (intensity
> r
) ? 0 : r
- intensity
;
770 g
= (intensity
> g
) ? 0 : g
- intensity
;
772 b
= intensity
> b
? 0 : b
- intensity
;
775 return rgbToIndex(r
,g
,b
);
778 RCL_Unit
textureAt(int16_t x
, int16_t y
)
780 if (x
>= 0 && x
< LEVEL_X_RES
&& y
>= 0 && y
< LEVEL_Y_RES
)
781 return levelTexture
[(LEVEL_Y_RES
- y
-1) * LEVEL_X_RES
+ x
];
786 RCL_Unit
floorHeightAt(int16_t x
, int16_t y
)
788 if (x
== 6 && (y
== 13 || y
== 14)) // moving lift
789 return ((RCL_absVal(-1 * (frame
% 64) + 32)) * RCL_UNITS_PER_SQUARE
) / 8;
791 if (x
>= 0 && x
< LEVEL_X_RES
&& y
>= 0 && y
< LEVEL_Y_RES
)
792 return (levelFloor
[(LEVEL_Y_RES
- y
-1) * LEVEL_X_RES
+ x
] * RCL_UNITS_PER_SQUARE
) / 8;
794 int a
= RCL_absVal(x
- LEVEL_X_RES
/ 2) - LEVEL_X_RES
/ 2;
795 int b
= RCL_absVal(y
- LEVEL_Y_RES
/ 2) - LEVEL_Y_RES
/ 2;
797 return (a
> b
? a
: b
) * RCL_UNITS_PER_SQUARE
;
800 RCL_Unit
ceilingHeightAt(int16_t x
, int16_t y
)
804 if (x
>= 0 && x
< LEVEL_X_RES
&& y
>= 0 && y
< LEVEL_Y_RES
)
805 v
= levelCeiling
[(LEVEL_Y_RES
- y
-1) * LEVEL_X_RES
+ x
];
807 return (v
* RCL_UNITS_PER_SQUARE
) / 8;
811 Draws a scaled sprite on screen in an optimized way. The sprite has to be
812 square in resolution.
814 void drawSpriteSquare(const unsigned char *sprite
, int16_t x
, int16_t y
, RCL_Unit depth
, int16_t size
)
816 if (size
< 0 || size
> 512 || // let's not mess up with the incoming array
817 sprite
[0] != sprite
[1]) // only draw square sprites
820 int16_t samplingIndices
[size
];
822 // optimization: precompute the indices
824 for (RCL_Unit i
= 0; i
< size
; ++i
)
825 samplingIndices
[i
] = (i
* sprite
[0]) / size
;
830 RCL_Unit step
= RCL_UNITS_PER_SQUARE
/ size
;
834 int16_t jTo
= size
- max(0,y
+ size
- SCREEN_HEIGHT
);
835 int16_t iTo
= size
- max(0,x
+ size
- SCREEN_WIDTH
);
837 for (RCL_Unit i
= max(-1 * x
,0); i
< iTo
; ++i
)
839 int16_t xPos
= x
+ i
;
841 if (zBuffer
[xPos
] <= depth
)
844 int16_t columnLocation
= 2 + samplingIndices
[i
] * sprite
[0];
846 for (RCL_Unit j
= max(-1 * y
,0); j
< jTo
; ++j
)
848 c
= sprite
[columnLocation
+ samplingIndices
[j
]];
850 if (c
!= TRANSPARENT_COLOR
)
851 pixels
[(y
+ j
) * SCREEN_WIDTH
+ xPos
] =
852 (((c
& 0b00000111) * 36) << 24) |
853 ((((c
& 0b00111000) >> 3) * 36) << 16) |
854 ((((c
& 0b11000000) >> 6) * 85) << 8);
860 Function for drawing a single pixel (like fragment shader). Bottleneck =>
861 should be as fast as possible.
863 void pixelFunc(RCL_PixelInfo
*pixel
)
865 if (pixel
->position
.x
< 0 || pixel
->position
.x
>= SCREEN_WIDTH
||
866 pixel
->position
.y
< 0 || pixel
->position
.y
>= SCREEN_HEIGHT
)
867 printf("error: writing outside screen! %d %d\n",pixel
->position
.x
,pixel
->position
.y
);
869 if (pixel
->position
.y
== MIDDLE_ROW
)
870 zBuffer
[pixel
->position
.x
] = pixel
->depth
;
875 c
= sampleImage(textures
[pixel
->hit
.type
],pixel
->texCoords
.x
,pixel
->texCoords
.y
);
877 c
= pixel
->height
== RCL_FLOOR_TEXCOORDS_HEIGHT
?
878 sampleImage(textures
[0],pixel
->texCoords
.x
,pixel
->texCoords
.y
) : 0b00010001;
880 int intensity
= pixel
->depth
- 8 * RCL_UNITS_PER_SQUARE
;
881 intensity
= intensity
< 0 ? 0 : intensity
;
882 intensity
= (intensity
* 32) / RCL_UNITS_PER_SQUARE
;
884 int32_t color
= palette
[c
];
886 int32_t r
= ((color
& 0xFF000000) >> 24) - intensity
;
890 int32_t g
= ((color
& 0x00FF0000) >> 16) - intensity
;
894 int32_t b
= ((color
& 0x0000FF00) >> 8) - intensity
;
898 int32_t index
= pixel
->position
.y
* SCREEN_WIDTH
+ pixel
->position
.x
;
901 int32_t c = 0x00000000;
905 c = sampleImage(textures[pixel->hit.type],pixel->hit.textureCoord,pixel->textureCoordY);
906 c = c << 24 | c << 16 | c << 8;
907 // c = pixel->isFloor ? 0xFF000000 : 0xF0000000;
910 c = pixel->isFloor ? 0x00FF0000 : 0x00F00000;
913 pixels
[index
] = r
| g
| b
;
914 pixelCounter
[index
]++;
919 RCL_RayConstraints c
;
924 RCL_renderComplex(camera
,floorHeightAt
,ceilingHeightAt
,textureAt
,c
);
926 RCL_Unit previousDepth
;
928 for (uint8_t i
= 0; i
< SPRITES
; ++i
)
930 // use Chebyshew distance instead Euclidean, it's faster
931 if (RCL_absVal(sprites
[i
].mPosition
.x
- camera
.position
.x
) > SPRITE_MAX_DISTANCE
)
934 if (RCL_absVal(sprites
[i
].mPosition
.y
- camera
.position
.y
) > SPRITE_MAX_DISTANCE
)
937 RCL_PixelInfo pos
= RCL_mapToScreen(sprites
[i
].mPosition
,sprites
[i
].mHeight
,camera
);
941 drawSpriteSquare(sprites[i].mImage,pos.position.x,pos.position.y,
942 pos.depth,perspectiveScale(sprites[i].mPixelSize,pos.depth));
944 /* trick: sort the sprites by distance with bubble sort as we draw - the
945 order will be correct in a few frames */
946 if (i
!= 0 && pos
.depth
> previousDepth
)
948 Sprite tmp
= sprites
[i
];
949 sprites
[i
] = sprites
[i
- 1];
950 sprites
[i
- 1] = tmp
;
953 previousDepth
= pos
.depth
;
959 for (int i
= 0; i
< SCREEN_WIDTH
; ++i
)
962 for (uint8_t r
= 0; r
< 8; ++r
)
963 for (uint8_t g
= 0; g
< 8; ++g
)
964 for (uint8_t b
= 0; b
< 4; ++b
)
965 palette
[rgbToIndex(r
,g
,b
)] = ((36 * r
) << 24) | ((36 * g
) << 16) | ((85 * b
) << 8);
967 #define placeSprite(i,s,X,Y,z,n)\
968 sprites[i].mImage = s;\
969 sprites[i].mPosition.x = X * RCL_UNITS_PER_SQUARE + RCL_UNITS_PER_SQUARE / 2;\
970 sprites[i].mPosition.y = Y * RCL_UNITS_PER_SQUARE + RCL_UNITS_PER_SQUARE / 2;\
971 sprites[i].mHeight = z * RCL_UNITS_PER_SQUARE + RCL_UNITS_PER_SQUARE / 2;\
972 sprites[i].mPixelSize = n;
974 placeSprite(0,sprite1
,10,5,1,1000);
975 placeSprite(1,sprite1
,14,5,1,1000);
976 placeSprite(2,sprite2
,15,19,1,1500);
977 placeSprite(3,sprite3
,8,2,1,3000);
978 placeSprite(4,sprite3
,20,5,1,3000);
979 placeSprite(5,sprite3
,26,18,1,3000);
980 placeSprite(6,sprite3
,16,12,1,3000);
983 camera
.position
.x
= 25699;
984 camera
.position
.y
= 10717;
986 camera
.direction
= -205;
987 camera
.height
= 2048;
988 camera
.resolution
.x
= SCREEN_WIDTH
;
989 camera
.resolution
.y
= SCREEN_HEIGHT
;
991 SDL_Window
*window
= SDL_CreateWindow("raycasting", SDL_WINDOWPOS_UNDEFINED
, SDL_WINDOWPOS_UNDEFINED
, SCREEN_WIDTH
, SCREEN_HEIGHT
, SDL_WINDOW_SHOWN
);
992 SDL_Renderer
*renderer
= SDL_CreateRenderer(window
,-1,0);
993 SDL_Texture
*texture
= SDL_CreateTexture(renderer
,SDL_PIXELFORMAT_RGBX8888
, SDL_TEXTUREACCESS_STATIC
, SCREEN_WIDTH
, SCREEN_HEIGHT
);
994 SDL_Surface
*screenSurface
= SDL_GetWindowSurface(window
);
1003 clearPixelCounter();
1009 writePixelCounter();
1010 printf("cam: x = %d, y = %d, z = %d, r = %d, s = %d\n",
1021 SDL_UpdateTexture(texture
,NULL
,pixels
,SCREEN_WIDTH
* sizeof(uint32_t));
1023 while (SDL_PollEvent(&event
))
1033 switch (event
.key
.keysym
.scancode
)
1035 case SDL_SCANCODE_ESCAPE
: running
= 0; break;
1036 case SDL_SCANCODE_UP
: keyIndex
= KEY_UP
; break;
1037 case SDL_SCANCODE_RIGHT
: keyIndex
= KEY_RIGHT
; break;
1038 case SDL_SCANCODE_DOWN
: keyIndex
= KEY_DOWN
; break;
1039 case SDL_SCANCODE_LEFT
: keyIndex
= KEY_LEFT
; break;
1040 case SDL_SCANCODE_Q
: keyIndex
= KEY_Q
; break;
1041 case SDL_SCANCODE_W
: keyIndex
= KEY_W
; break;
1042 case SDL_SCANCODE_A
: keyIndex
= KEY_A
; break;
1043 case SDL_SCANCODE_S
: keyIndex
= KEY_S
; break;
1057 keys
[keyIndex
] = newState
;
1063 RCL_Vector2D direction
= RCL_angleToDirection(camera
.direction
);
1070 camera
.position
.x
+= step
* direction
.x
;
1071 camera
.position
.y
+= step
* direction
.y
;
1073 else if (keys
[KEY_DOWN
])
1075 camera
.position
.x
-= step
* direction
.x
;
1076 camera
.position
.y
-= step
* direction
.y
;
1080 camera
.height
+= step
* 100;
1081 else if (keys
[KEY_W
])
1082 camera
.height
-= step
* 100;
1084 if (keys
[KEY_RIGHT
])
1085 camera
.direction
+= step2
;
1086 else if (keys
[KEY_LEFT
])
1087 camera
.direction
-= step2
;
1089 const int shearAdd
= 10;
1092 camera
.shear
= camera
.shear
+ shearAdd
<= SCREEN_HEIGHT
? camera
.shear
+ shearAdd
: SCREEN_HEIGHT
;
1093 else if (keys
[KEY_S
])
1094 camera
.shear
= camera
.shear
- shearAdd
>= -1 * SCREEN_HEIGHT
? camera
.shear
- shearAdd
: -1 * SCREEN_HEIGHT
;
1096 SDL_RenderClear(renderer
);
1097 SDL_RenderCopy(renderer
,texture
,NULL
,NULL
);
1098 SDL_RenderPresent(renderer
);