Cong Vu / Mbed 2 deprecated Snake-game-fall2020_C

Snake

Dependencies:   mbed wave_player 4DGL-uLCD-SE MMA8452

map.h@3:2fe73b263a9a, 2020-11-23 (annotated)

Committer:
congvu
Date:
Mon Nov 23 05:54:49 2020 +0000
Revision:
3:2fe73b263a9a
Parent:
2:4947d6a82971 
ECE2035;

Who changed what in which revision?

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DCchico 2:4947d6a82971 1 // Copyright 2020 Georgia Tech. All rights reserved.
DCchico 2:4947d6a82971 2 // The materials provided by the instructor in this course are for
DCchico 2:4947d6a82971 3 // the use of the students currently enrolled in the course.
DCchico 2:4947d6a82971 4 // Copyrighted course materials may not be further disseminated.
DCchico 2:4947d6a82971 5 // This file must not be made publicly available anywhere.
DCchico 2:4947d6a82971 6
DCchico 1:10330bce85cb 7 #ifndef MAP_H
DCchico 1:10330bce85cb 8 #define MAP_H
DCchico 1:10330bce85cb 9
DCchico 1:10330bce85cb 10 #include "hash_table.h"
DCchico 1:10330bce85cb 11
DCchico 1:10330bce85cb 12 /**
DCchico 1:10330bce85cb 13 * A structure to represent the map. The implementation is private.
DCchico 1:10330bce85cb 14 */
DCchico 1:10330bce85cb 15 struct Map;
DCchico 1:10330bce85cb 16
DCchico 1:10330bce85cb 17 // A function pointer type for drawing MapItems.
DCchico 1:10330bce85cb 18 // All tiles are 11x11 blocks.
DCchico 1:10330bce85cb 19 // u,v is the top left corner pixel of the block
DCchico 1:10330bce85cb 20 typedef void (*DrawFunc)(int u, int v);
DCchico 1:10330bce85cb 21
DCchico 1:10330bce85cb 22 /**
DCchico 1:10330bce85cb 23 * The data for elements in the map. Each item in the map HashTable is a
DCchico 1:10330bce85cb 24 * MapItem.
DCchico 1:10330bce85cb 25 */
DCchico 1:10330bce85cb 26 typedef struct {
DCchico 1:10330bce85cb 27 /**
DCchico 1:10330bce85cb 28 * Indicates the "type" of the MapItem: WALL, DOOR, PLANT, etc. This is
DCchico 1:10330bce85cb 29 * useful for determining how to interact with the object when updating the
DCchico 1:10330bce85cb 30 * game state.
DCchico 1:10330bce85cb 31 */
DCchico 1:10330bce85cb 32 int type;
DCchico 1:10330bce85cb 33
DCchico 1:10330bce85cb 34 /**
DCchico 1:10330bce85cb 35 * A function pointer to the drawing function for this item. Used by draw_game.
DCchico 1:10330bce85cb 36 */
DCchico 1:10330bce85cb 37 DrawFunc draw;
DCchico 1:10330bce85cb 38
DCchico 1:10330bce85cb 39 /**
DCchico 1:10330bce85cb 40 * If zero, this item should block character motion.
DCchico 1:10330bce85cb 41 */
DCchico 1:10330bce85cb 42 int walkable;
DCchico 1:10330bce85cb 43
DCchico 1:10330bce85cb 44 /**
DCchico 1:10330bce85cb 45 * Arbitrary extra data for the MapItem. Could be useful for keeping up with
DCchico 1:10330bce85cb 46 * special information, like where a set of stairs should take the player.
DCchico 1:10330bce85cb 47 *
DCchico 1:10330bce85cb 48 * Iterpretation of this can depend on the type of the MapItem. For example,
DCchico 1:10330bce85cb 49 * a WALL probably doesn't need to use this (it can be NULL), where an NPC
DCchico 1:10330bce85cb 50 * might use it to store game state (have I given the player the key yet?).
DCchico 1:10330bce85cb 51 */
DCchico 1:10330bce85cb 52 void* data;
DCchico 1:10330bce85cb 53 } MapItem;
DCchico 1:10330bce85cb 54
DCchico 1:10330bce85cb 55 typedef struct {
DCchico 1:10330bce85cb 56 int tm;
DCchico 1:10330bce85cb 57 int tx, ty;
DCchico 1:10330bce85cb 58 } StairsData;
DCchico 1:10330bce85cb 59
DCchico 1:10330bce85cb 60 // MapItem types
DCchico 1:10330bce85cb 61 // Define more of these!
DCchico 1:10330bce85cb 62 #define WALL 0
DCchico 1:10330bce85cb 63 #define DOOR 1
DCchico 1:10330bce85cb 64 #define PLANT 2
DCchico 1:10330bce85cb 65 #define WATER 3
DCchico 1:10330bce85cb 66 #define KEY 4
DCchico 1:10330bce85cb 67 #define GOODIE 5
DCchico 1:10330bce85cb 68 #define SNAKE_BODY 6
DCchico 1:10330bce85cb 69 #define CLEAR 7
DCchico 1:10330bce85cb 70 #define STAIRS 8
DCchico 1:10330bce85cb 71 #define SONAR 9
DCchico 1:10330bce85cb 72 #define PUZZLE 10
DCchico 1:10330bce85cb 73 #define NPC 11
DCchico 1:10330bce85cb 74
DCchico 1:10330bce85cb 75
DCchico 1:10330bce85cb 76 /**
DCchico 1:10330bce85cb 77 * Initializes the internal structures for all maps. This does not populate
DCchico 1:10330bce85cb 78 * the map with items, but allocates space for them, initializes the hash tables,
DCchico 1:10330bce85cb 79 * and sets the width and height.
DCchico 1:10330bce85cb 80 */
DCchico 1:10330bce85cb 81 void maps_init();
DCchico 1:10330bce85cb 82
DCchico 1:10330bce85cb 83 /**
DCchico 1:10330bce85cb 84 * Returns a pointer to the active map.
DCchico 1:10330bce85cb 85 */
DCchico 1:10330bce85cb 86 Map* get_active_map();
DCchico 1:10330bce85cb 87
DCchico 1:10330bce85cb 88 /**
DCchico 1:10330bce85cb 89 * Sets the active map to map m, where m is the index of the map to activate.
DCchico 1:10330bce85cb 90 * Returns a pointer to the new active map.
DCchico 1:10330bce85cb 91 */
DCchico 1:10330bce85cb 92 Map* set_active_map(int m);
DCchico 1:10330bce85cb 93
DCchico 1:10330bce85cb 94 /**
DCchico 1:10330bce85cb 95 * Returns the map m, regardless of whether it is the active map. This function
DCchico 1:10330bce85cb 96 * does not change the active map.
DCchico 1:10330bce85cb 97 */
DCchico 1:10330bce85cb 98 Map* get_map(int m);
DCchico 1:10330bce85cb 99
DCchico 1:10330bce85cb 100 /**
DCchico 1:10330bce85cb 101 * Print the active map to the serial console.
DCchico 1:10330bce85cb 102 */
DCchico 1:10330bce85cb 103 void print_map();
DCchico 1:10330bce85cb 104
DCchico 1:10330bce85cb 105 // Access
DCchico 1:10330bce85cb 106 /**
DCchico 1:10330bce85cb 107 * Returns the width of the active map.
DCchico 1:10330bce85cb 108 */
DCchico 1:10330bce85cb 109 int map_width();
DCchico 1:10330bce85cb 110
DCchico 1:10330bce85cb 111 /**
DCchico 1:10330bce85cb 112 * Returns the heigh of the active map.
DCchico 1:10330bce85cb 113 */
DCchico 1:10330bce85cb 114 int map_height();
DCchico 1:10330bce85cb 115
DCchico 1:10330bce85cb 116 /**
DCchico 1:10330bce85cb 117 * Returns the total number of cells in the active map.
DCchico 1:10330bce85cb 118 */
DCchico 1:10330bce85cb 119 int map_area();
DCchico 1:10330bce85cb 120
DCchico 1:10330bce85cb 121 MapItem* get_current(int x, int y);
DCchico 1:10330bce85cb 122
DCchico 1:10330bce85cb 123 /**
DCchico 1:10330bce85cb 124 * Returns the MapItem immediately above the given location.
DCchico 1:10330bce85cb 125 */
DCchico 1:10330bce85cb 126 MapItem* get_north(int x, int y);
DCchico 1:10330bce85cb 127
DCchico 1:10330bce85cb 128 /**
DCchico 1:10330bce85cb 129 * Returns the MapItem immediately below the given location.
DCchico 1:10330bce85cb 130 */
DCchico 1:10330bce85cb 131 MapItem* get_south(int x, int y);
DCchico 1:10330bce85cb 132
DCchico 1:10330bce85cb 133 /**
DCchico 1:10330bce85cb 134 * Returns the MapItem immediately to the right of the given location.
DCchico 1:10330bce85cb 135 */
DCchico 1:10330bce85cb 136 MapItem* get_east(int x, int y);
DCchico 1:10330bce85cb 137
DCchico 1:10330bce85cb 138 /**
DCchico 1:10330bce85cb 139 * Returns the MapItem immediately to the left of the given location.
DCchico 1:10330bce85cb 140 */
DCchico 1:10330bce85cb 141 MapItem* get_west(int x, int y);
DCchico 1:10330bce85cb 142
DCchico 1:10330bce85cb 143 /**
DCchico 1:10330bce85cb 144 * Returns the MapItem at the given location.
DCchico 1:10330bce85cb 145 */
DCchico 1:10330bce85cb 146 MapItem* get_here(int x, int y);
DCchico 1:10330bce85cb 147
DCchico 1:10330bce85cb 148 // Directions, for using the modification functions
DCchico 1:10330bce85cb 149 #define HORIZONTAL 0
DCchico 1:10330bce85cb 150 #define VERTICAL 1
DCchico 1:10330bce85cb 151
DCchico 1:10330bce85cb 152 /**
DCchico 1:10330bce85cb 153 * If there is a MapItem at (x,y), remove it from the map.
DCchico 1:10330bce85cb 154 */
DCchico 1:10330bce85cb 155 void map_erase(int x, int y);
DCchico 1:10330bce85cb 156
DCchico 1:10330bce85cb 157 /**
DCchico 1:10330bce85cb 158 * Add WALL items in a line of length len beginning at (x,y).
DCchico 1:10330bce85cb 159 * If dir == HORIZONTAL, the line is in the direction of increasing x.
DCchico 1:10330bce85cb 160 * If dir == VERTICAL, the line is in the direction of increasing y.
DCchico 1:10330bce85cb 161 *
DCchico 1:10330bce85cb 162 * If there are already items in the map that collide with this line, they are
DCchico 1:10330bce85cb 163 * erased.
DCchico 1:10330bce85cb 164 */
DCchico 1:10330bce85cb 165 void add_wall(int x, int y, int dir, int len);
DCchico 1:10330bce85cb 166
DCchico 1:10330bce85cb 167 /**
DCchico 1:10330bce85cb 168 * Add a PLANT item at (x,y). If there is already a MapItem at (x,y), erase it
DCchico 1:10330bce85cb 169 * before adding the plant.
DCchico 1:10330bce85cb 170 */
DCchico 1:10330bce85cb 171 void add_plant(int x, int y);
DCchico 1:10330bce85cb 172
DCchico 1:10330bce85cb 173
DCchico 1:10330bce85cb 174 void add_goodie(int x, int y);
DCchico 1:10330bce85cb 175
DCchico 1:10330bce85cb 176 void remove_goodie(int x, int y);
DCchico 1:10330bce85cb 177
DCchico 1:10330bce85cb 178 void add_snake_body(int x, int y);
DCchico 1:10330bce85cb 179 void add_snake_head(int x, int y);
DCchico 1:10330bce85cb 180 void add_snake_tail(int x, int y);
DCchico 1:10330bce85cb 181
DCchico 1:10330bce85cb 182
DCchico 1:10330bce85cb 183 #endif //MAP_H