Kori Alejandro / Mbed 2 deprecated rpg_game

this is lame

Dependencies:   mbed wave_player 4DGL-uLCD-SE MMA8452

map.cpp@5:37ed7d5744a6, 2019-04-11 (annotated)

Committer:
korib
Date:
Thu Apr 11 19:13:49 2019 -0400
Revision:
5:37ed7d5744a6
Parent:
2:c5848a443855 
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rconnorlawson 0:35660d7952f7 1 #include "map.h"
rconnorlawson 0:35660d7952f7 2
rconnorlawson 0:35660d7952f7 3 #include "globals.h"
rconnorlawson 0:35660d7952f7 4 #include "graphics.h"
rconnorlawson 0:35660d7952f7 5
rconnorlawson 0:35660d7952f7 6 /**
rconnorlawson 0:35660d7952f7 7 * The Map structure. This holds a HashTable for all the MapItems, along with
rconnorlawson 0:35660d7952f7 8 * values for the width and height of the Map.
rconnorlawson 0:35660d7952f7 9 */
rconnorlawson 0:35660d7952f7 10 struct Map {
rconnorlawson 0:35660d7952f7 11 HashTable* items;
rconnorlawson 0:35660d7952f7 12 int w, h;
rconnorlawson 0:35660d7952f7 13 };
rconnorlawson 0:35660d7952f7 14
rconnorlawson 0:35660d7952f7 15 /**
rconnorlawson 0:35660d7952f7 16 * Storage area for the maps.
rconnorlawson 0:35660d7952f7 17 * This is a global variable, but can only be access from this file because it
rconnorlawson 0:35660d7952f7 18 * is static.
rconnorlawson 0:35660d7952f7 19 */
kalejandro3 2:c5848a443855 20 static Map map[2];
kalejandro3 2:c5848a443855 21 static int active_map=0;
rconnorlawson 0:35660d7952f7 22
rconnorlawson 0:35660d7952f7 23 /**
rconnorlawson 0:35660d7952f7 24 * The first step in HashTable access for the map is turning the two-dimensional
rconnorlawson 0:35660d7952f7 25 * key information (x, y) into a one-dimensional unsigned integer.
rconnorlawson 0:35660d7952f7 26 * This function should uniquely map (x,y) onto the space of unsigned integers.
rconnorlawson 0:35660d7952f7 27 */
rconnorlawson 0:35660d7952f7 28 static unsigned XY_KEY(int X, int Y) {
rconnorlawson 0:35660d7952f7 29 // TODO: Fix me!
kalejandro3 2:c5848a443855 30 return X* map[active_map].h + Y;
rconnorlawson 0:35660d7952f7 31 }
rconnorlawson 0:35660d7952f7 32
rconnorlawson 0:35660d7952f7 33 /**
rconnorlawson 0:35660d7952f7 34 * This is the hash function actually passed into createHashTable. It takes an
rconnorlawson 0:35660d7952f7 35 * unsigned key (the output of XY_KEY) and turns it into a hash value (some
rconnorlawson 0:35660d7952f7 36 * small non-negative integer).
rconnorlawson 0:35660d7952f7 37 */
rconnorlawson 0:35660d7952f7 38 unsigned map_hash(unsigned key)
rconnorlawson 0:35660d7952f7 39 {
kalejandro3 2:c5848a443855 40
kalejandro3 2:c5848a443855 41 return key % NUMBUCK;// key mod number of buckets- returns the right bucket number that the key is in
rconnorlawson 0:35660d7952f7 42 }
rconnorlawson 0:35660d7952f7 43
rconnorlawson 0:35660d7952f7 44 void maps_init()
rconnorlawson 0:35660d7952f7 45 {
kalejandro3 2:c5848a443855 46 map[0].items =createHashTable(map_hash, NUMBUCK); //initialize hash table w numbuck from globals.h
kalejandro3 2:c5848a443855 47 map[0].w= 50; // set width- in globals.h
kalejandro3 2:c5848a443855 48 map[0].h= 50; //set height- in global map[0].items =createHashTable(map_hash, NUMBUCK); //initialize hash table w numbuck from globals.h
kalejandro3 2:c5848a443855 49 map[1].items =createHashTable(map_hash, NUMBUCK);
kalejandro3 2:c5848a443855 50 map[1].w= 50; // set width- in globals.h
kalejandro3 2:c5848a443855 51 map[1].h= 50; //set height- in globals.hs.h
kalejandro3 2:c5848a443855 52
kalejandro3 2:c5848a443855 53
rconnorlawson 0:35660d7952f7 54 }
rconnorlawson 0:35660d7952f7 55
rconnorlawson 0:35660d7952f7 56 Map* get_active_map()
rconnorlawson 0:35660d7952f7 57 {
rconnorlawson 0:35660d7952f7 58 // There's only one map
kalejandro3 2:c5848a443855 59 return & map[active_map];
rconnorlawson 0:35660d7952f7 60 }
rconnorlawson 0:35660d7952f7 61
rconnorlawson 0:35660d7952f7 62 Map* set_active_map(int m)
rconnorlawson 0:35660d7952f7 63 {
kalejandro3 2:c5848a443855 64 active_map = m;
kalejandro3 2:c5848a443855 65 return & map[active_map];
rconnorlawson 0:35660d7952f7 66 }
rconnorlawson 0:35660d7952f7 67
kalejandro3 2:c5848a443855 68 #define WALL 0
kalejandro3 2:c5848a443855 69 #define PLANT 1
kalejandro3 2:c5848a443855 70 #define GATE 2
kalejandro3 2:c5848a443855 71 #define NPC 3
kalejandro3 2:c5848a443855 72
kalejandro3 2:c5848a443855 73
rconnorlawson 0:35660d7952f7 74 void print_map()
rconnorlawson 0:35660d7952f7 75 {
rconnorlawson 0:35660d7952f7 76 // As you add more types, you'll need to add more items to this array.
rconnorlawson 0:35660d7952f7 77 char lookup[] = {'W', 'P'};
rconnorlawson 0:35660d7952f7 78 for(int y = 0; y < map_height(); y++)
rconnorlawson 0:35660d7952f7 79 {
rconnorlawson 0:35660d7952f7 80 for (int x = 0; x < map_width(); x++)
rconnorlawson 0:35660d7952f7 81 {
rconnorlawson 0:35660d7952f7 82 MapItem* item = get_here(x,y);
rconnorlawson 0:35660d7952f7 83 if (item) pc.printf("%c", lookup[item->type]);
rconnorlawson 0:35660d7952f7 84 else pc.printf(" ");
rconnorlawson 0:35660d7952f7 85 }
rconnorlawson 0:35660d7952f7 86 pc.printf("\r\n");
rconnorlawson 0:35660d7952f7 87 }
rconnorlawson 0:35660d7952f7 88 }
rconnorlawson 0:35660d7952f7 89
rconnorlawson 0:35660d7952f7 90 int map_width()
rconnorlawson 0:35660d7952f7 91 {
kalejandro3 2:c5848a443855 92 Map* m= get_active_map();//get the active map
kalejandro3 2:c5848a443855 93 return m -> w; //returns the active map's width
rconnorlawson 0:35660d7952f7 94 }
rconnorlawson 0:35660d7952f7 95
rconnorlawson 0:35660d7952f7 96 int map_height()
rconnorlawson 0:35660d7952f7 97 {
kalejandro3 2:c5848a443855 98 Map* m= get_active_map(); //get the active map
kalejandro3 2:c5848a443855 99 return m -> h; // returns the active map's height
rconnorlawson 0:35660d7952f7 100 }
rconnorlawson 0:35660d7952f7 101
rconnorlawson 0:35660d7952f7 102 int map_area()
rconnorlawson 0:35660d7952f7 103 {
kalejandro3 2:c5848a443855 104 Map * m= get_active_map();
kalejandro3 2:c5848a443855 105 return (m-> h * m-> w);
rconnorlawson 0:35660d7952f7 106 }
rconnorlawson 0:35660d7952f7 107
rconnorlawson 0:35660d7952f7 108 MapItem* get_north(int x, int y)
rconnorlawson 0:35660d7952f7 109 {
kalejandro3 2:c5848a443855 110 Map *m= get_active_map();
kalejandro3 2:c5848a443855 111 int key= XY_KEY(x,y+1);//north is y+1
kalejandro3 2:c5848a443855 112 return (MapItem *) getItem(map-> items, key); //gets the item corresponding to that key- uses hash_table.c function
rconnorlawson 0:35660d7952f7 113 }
rconnorlawson 0:35660d7952f7 114
rconnorlawson 0:35660d7952f7 115 MapItem* get_south(int x, int y)
rconnorlawson 0:35660d7952f7 116 {
kalejandro3 2:c5848a443855 117 Map *m= get_active_map();
kalejandro3 2:c5848a443855 118 int key= XY_KEY(x,y-1);//south is y-1
kalejandro3 2:c5848a443855 119 return (MapItem *) getItem(map-> items, key); //gets the item corresponding to that key- uses hash_table.c function
rconnorlawson 0:35660d7952f7 120 }
rconnorlawson 0:35660d7952f7 121
rconnorlawson 0:35660d7952f7 122 MapItem* get_east(int x, int y)
rconnorlawson 0:35660d7952f7 123 {
kalejandro3 2:c5848a443855 124 Map *m= get_active_map();
kalejandro3 2:c5848a443855 125 int key= XY_KEY(x+1,y);//east is x+1
kalejandro3 2:c5848a443855 126 return (MapItem *) getItem(map-> items, key); //gets the item corresponding to that key- uses hash_table.c function
rconnorlawson 0:35660d7952f7 127 }
rconnorlawson 0:35660d7952f7 128
rconnorlawson 0:35660d7952f7 129 MapItem* get_west(int x, int y)
rconnorlawson 0:35660d7952f7 130 {
kalejandro3 2:c5848a443855 131 Map *m= get_active_map();
kalejandro3 2:c5848a443855 132 int key= XY_KEY(x-1,y);//west is x-1
kalejandro3 2:c5848a443855 133 return (MapItem *) getItem(map-> items, key); //gets the item corresponding to that key- uses hash_table.c function
rconnorlawson 0:35660d7952f7 134 }
rconnorlawson 0:35660d7952f7 135
rconnorlawson 0:35660d7952f7 136 MapItem* get_here(int x, int y)
rconnorlawson 0:35660d7952f7 137 {
kalejandro3 2:c5848a443855 138 Map *m= get_active_map();
kalejandro3 2:c5848a443855 139 int key= XY_KEY(x,y);
kalejandro3 2:c5848a443855 140 return (MapItem *) getItem(map-> items, key); //gets the item corresponding to that key- uses hash_table.c function
rconnorlawson 0:35660d7952f7 141 }
rconnorlawson 0:35660d7952f7 142
kalejandro3 2:c5848a443855 143 int check_type(int x, int y)
kalejandro3 2:c5848a443855 144 {
kalejandro3 2:c5848a443855 145
kalejandro3 2:c5848a443855 146 }
rconnorlawson 0:35660d7952f7 147 void map_erase(int x, int y)
rconnorlawson 0:35660d7952f7 148 {
kalejandro3 2:c5848a443855 149 Map *map= get_active_map();//gets current map
kalejandro3 2:c5848a443855 150 int key= XY_KEY(x,y);//gets current key
kalejandro3 2:c5848a443855 151 MapItem* item = (MapItem *) getItem(map-> items, key);//current item
kalejandro3 2:c5848a443855 152 //condition for erase//// if key found???
kalejandro3 2:c5848a443855 153 if (item -> type == GATE) deleteItem(map->items, key); // if gate erase previous map-
kalejandro3 2:c5848a443855 154 set_active_map(active_map +1); // set the active map to be the next map
rconnorlawson 0:35660d7952f7 155 }
rconnorlawson 0:35660d7952f7 156
rconnorlawson 0:35660d7952f7 157 void add_wall(int x, int y, int dir, int len)
rconnorlawson 0:35660d7952f7 158 {
rconnorlawson 0:35660d7952f7 159 for(int i = 0; i < len; i++)
rconnorlawson 0:35660d7952f7 160 {
rconnorlawson 0:35660d7952f7 161 MapItem* w1 = (MapItem*) malloc(sizeof(MapItem));
rconnorlawson 0:35660d7952f7 162 w1->type = WALL;
rconnorlawson 0:35660d7952f7 163 w1->draw = draw_wall;
rconnorlawson 0:35660d7952f7 164 w1->walkable = false;
rconnorlawson 0:35660d7952f7 165 w1->data = NULL;
rconnorlawson 0:35660d7952f7 166 unsigned key = (dir == HORIZONTAL) ? XY_KEY(x+i, y) : XY_KEY(x, y+i);
rconnorlawson 0:35660d7952f7 167 void* val = insertItem(get_active_map()->items, key, w1);
rconnorlawson 0:35660d7952f7 168 if (val) free(val); // If something is already there, free it
rconnorlawson 0:35660d7952f7 169 }
rconnorlawson 0:35660d7952f7 170 }
rconnorlawson 0:35660d7952f7 171
rconnorlawson 0:35660d7952f7 172 void add_plant(int x, int y)
rconnorlawson 0:35660d7952f7 173 {
rconnorlawson 0:35660d7952f7 174 MapItem* w1 = (MapItem*) malloc(sizeof(MapItem));
rconnorlawson 0:35660d7952f7 175 w1->type = PLANT;
rconnorlawson 0:35660d7952f7 176 w1->draw = draw_plant;
rconnorlawson 0:35660d7952f7 177 w1->walkable = true;
rconnorlawson 0:35660d7952f7 178 w1->data = NULL;
rconnorlawson 0:35660d7952f7 179 void* val = insertItem(get_active_map()->items, XY_KEY(x, y), w1);
rconnorlawson 0:35660d7952f7 180 if (val) free(val); // If something is already there, free it
kalejandro3 2:c5848a443855 181 }
kalejandro3 2:c5848a443855 182
kalejandro3 2:c5848a443855 183 //add other things