2013-01-08 22:40:58 +08:00
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#ifndef _SNAKE_H_
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#define _SNAKE_H_
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#include <rtthread.h>
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#define snake_length_max 20 //<2F><><EFBFBD><EFBFBD><EFBFBD>߳<EFBFBD>
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#define snake_length_init 3 //<2F><>ʼ<EFBFBD><CABC><EFBFBD>߳<EFBFBD>
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#define snake_room_size_hight 8 //<2F><><EFBFBD>Ӹ<EFBFBD> 0-255 <20><><EFBFBD><EFBFBD>>8
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#define snake_room_size_widht 8 //<2F><><EFBFBD>ӿ<EFBFBD> 0-255 <20><><EFBFBD><EFBFBD>>8
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#define snake_init_pointx 1
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#define snake_init_pointy 2
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typedef struct
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{
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rt_int32_t x, y;
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} point_t;
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typedef struct
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{
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rt_int32_t width; // max x
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rt_int32_t height; // max y
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rt_uint8_t *range; // map, map->range[y * map->width + x]
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point_t snake_flush[2];
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point_t food_flush[1];
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} map_t;
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typedef enum
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{
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SNAKE_DIR_UP,
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SNAKE_DIR_DOWN,
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SNAKE_DIR_LEFT,
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SNAKE_DIR_RIGHT
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} SNAKE_DIR;
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typedef enum
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{
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FOOD, // <20>Ե<EFBFBD>ˮ<EFBFBD><CBAE>
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OVER, // ҧ<><D2A7><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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NORMAL // <20><><EFBFBD><EFBFBD><EFBFBD>ж<EFBFBD>
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} SYS_STE;
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typedef struct
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{
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point_t body;
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rt_list_t list;
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} snake_t;
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// <20><><EFBFBD><EFBFBD>һ<EFBFBD><D2BB><EFBFBD><EFBFBD>ͼ
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map_t *map_init(rt_uint32_t width, rt_uint32_t heigth);
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// <20><><EFBFBD><EFBFBD>һ<EFBFBD><D2BB>ָ<EFBFBD><D6B8><EFBFBD><EFBFBD><EFBFBD>ȵ<EFBFBD><C8B5><EFBFBD><EFBFBD><EFBFBD>ָ<EFBFBD><D6B8><EFBFBD><EFBFBD>
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rt_bool_t snake_init(const point_t *start, const int length, const SNAKE_DIR dir, map_t *map);
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// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʳ<EFBFBD><CAB3>
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rt_bool_t food_init(map_t *map, rt_uint32_t max_num);
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void map_deinit(map_t *map);
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void snake_deinit(void);
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void food_deinit(void);
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SYS_STE snake_step(SNAKE_DIR dir, map_t *map);
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rt_bool_t snake_restart(const point_t *start, const int length, const SNAKE_DIR dir, map_t *map);
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#endif
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