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Dependencies:   mbed

Map/Map.cpp@15:90b6821bcf64, 2020-04-28 (annotated)

Committer:
evanso
Date:
Tue Apr 28 19:13:12 2020 +0000
Revision:
15:90b6821bcf64
Parent:
14:7419c680656f
Child:
18:11068b98e261
Added DEBUG compile macros to check calculate_map_map was producing correct output

Who changed what in which revision?

UserRevisionLine numberNew contents of line
evanso 6:12e8433382b3 1 #include "Map.h"
evanso 11:ab578a151f67 2
evanso 9:1ddb8dc93e48 3 #define MAP_TERRAIN_Y_POSITION 42
evanso 11:ab578a151f67 4 #define MAP_TERRAIN_X_POSITION -84
evanso 11:ab578a151f67 5 #define MAP_TERRAIN_X_LENGTH 0
evanso 11:ab578a151f67 6
evanso 6:12e8433382b3 7 Map::Map() {
evanso 6:12e8433382b3 8
evanso 6:12e8433382b3 9 }
evanso 6:12e8433382b3 10
evanso 6:12e8433382b3 11 Map::~Map() {
evanso 6:12e8433382b3 12
evanso 6:12e8433382b3 13 }
evanso 6:12e8433382b3 14
evanso 13:12276eed13ac 15 void Map::init(Gamepad &pad) {
evanso 11:ab578a151f67 16 map_length_ = MAP_TERRAIN_X_LENGTH;
evanso 11:ab578a151f67 17 position_x_map_ = MAP_TERRAIN_X_POSITION;
evanso 9:1ddb8dc93e48 18 position_y_map_ = MAP_TERRAIN_Y_POSITION;
evanso 11:ab578a151f67 19
evanso 11:ab578a151f67 20 // Initialises random arrays to make random map
evanso 14:7419c680656f 21 fill_random_arrays(pad);
evanso 6:12e8433382b3 22 }
evanso 7:0af4ced868f5 23
evanso 14:7419c680656f 24 void Map::fill_random_arrays(Gamepad &pad){
evanso 13:12276eed13ac 25 srand(pad.read_adc()*64000);
evanso 9:1ddb8dc93e48 26 for(int i = 0; i < 11; i++){
evanso 9:1ddb8dc93e48 27 rand_heights_[i]= rand() % 8 + 5;
evanso 11:ab578a151f67 28 rand_lengths_[i]= rand() % 16 + 15;
evanso 7:0af4ced868f5 29 }
evanso 15:90b6821bcf64 30
evanso 15:90b6821bcf64 31 //To to check random numbers generated are actaully random
evanso 15:90b6821bcf64 32 #ifdef RANDOM_NUMBER_DEBUG
evanso 15:90b6821bcf64 33 for (int i = 0; i < 11; i++){
evanso 15:90b6821bcf64 34 printf("map height random array = %d\n", rand_heights_[i]);
evanso 15:90b6821bcf64 35 }
evanso 15:90b6821bcf64 36 #endif
evanso 7:0af4ced868f5 37 }
evanso 7:0af4ced868f5 38
evanso 9:1ddb8dc93e48 39 void Map::draw_triangle(N5110 &lcd,int triangle_height){
evanso 7:0af4ced868f5 40 // draws triangle by drawing two lines with one line having negative gadient
evanso 9:1ddb8dc93e48 41 lcd.drawLine(position_x_map_, position_y_map_, position_x_map_ + triangle_height, position_y_map_ - triangle_height,1);
evanso 9:1ddb8dc93e48 42 lcd.drawLine(position_x_map_ + triangle_height, position_y_map_ - triangle_height,position_x_map_ + 2*triangle_height,position_y_map_,1);
evanso 11:ab578a151f67 43
evanso 11:ab578a151f67 44 // changes the position of the map next draw line starts at the end of the drawn triangle
evanso 9:1ddb8dc93e48 45 position_x_map_ = position_x_map_ + 2*triangle_height,position_y_map_;
evanso 7:0af4ced868f5 46 }
evanso 7:0af4ced868f5 47
evanso 7:0af4ced868f5 48 void Map::draw_line(N5110 &lcd,int line_length){
evanso 7:0af4ced868f5 49 lcd.drawLine(position_x_map_, position_y_map_, position_x_map_ + line_length, position_y_map_,1);
evanso 11:ab578a151f67 50
evanso 11:ab578a151f67 51 // changes the position of the map next draw triangle starts at the end of the drawn line
evanso 9:1ddb8dc93e48 52 position_x_map_ += line_length;
evanso 7:0af4ced868f5 53 }
evanso 7:0af4ced868f5 54
evanso 7:0af4ced868f5 55 void Map::draw_map(N5110 &lcd, int move_map){
evanso 8:dd1037c5435b 56 //usb.printf("position_x_map_ = %d\n", position_x_map_);
evanso 8:dd1037c5435b 57 //usb.printf("move map = %d\n", move_map);
evanso 9:1ddb8dc93e48 58
evanso 9:1ddb8dc93e48 59 reset_position_x_map_to_origonal_ = position_x_map_;
evanso 9:1ddb8dc93e48 60 int map_length_ = 0;
evanso 9:1ddb8dc93e48 61
evanso 9:1ddb8dc93e48 62 //prints main part of map
evanso 9:1ddb8dc93e48 63 for(int i = 0; i < 11; i++){
evanso 9:1ddb8dc93e48 64 draw_triangle(lcd,rand_heights_[i]);
evanso 9:1ddb8dc93e48 65 draw_line(lcd,rand_lengths_[i]);
evanso 9:1ddb8dc93e48 66 final_random_element_used_ = i;
evanso 11:ab578a151f67 67
evanso 11:ab578a151f67 68 // calculates the length of the random map produced
evanso 9:1ddb8dc93e48 69 map_length_ += rand_lengths_[i] + 2*rand_heights_[i];
evanso 11:ab578a151f67 70
evanso 11:ab578a151f67 71 // stops random maps lengths being to large only want it about 3 screen widths
evanso 11:ab578a151f67 72 if (map_length_ >252){
evanso 9:1ddb8dc93e48 73 break;
evanso 9:1ddb8dc93e48 74 }
evanso 9:1ddb8dc93e48 75 }
evanso 9:1ddb8dc93e48 76
evanso 9:1ddb8dc93e48 77 //checks is map need duplicating on forward and backwards loop and fills gap
evanso 11:ab578a151f67 78 check_duplicates_map_forward(lcd);
evanso 11:ab578a151f67 79 check_duplicates_map_backwards(lcd);
evanso 9:1ddb8dc93e48 80
evanso 11:ab578a151f67 81 // Resets postion of map and moves it
evanso 9:1ddb8dc93e48 82 position_x_map_ = reset_position_x_map_to_origonal_ + move_map;
evanso 9:1ddb8dc93e48 83
evanso 11:ab578a151f67 84 // Moves map to different persition so make it look like its looping
evanso 9:1ddb8dc93e48 85 if(position_x_map_+ map_length_ < 0){
evanso 9:1ddb8dc93e48 86 position_x_map_ = 0;
evanso 11:ab578a151f67 87 } else if(position_x_map_ > 84){
evanso 9:1ddb8dc93e48 88 position_x_map_ = 84 - map_length_;
evanso 9:1ddb8dc93e48 89 }
evanso 9:1ddb8dc93e48 90 }
evanso 9:1ddb8dc93e48 91
evanso 13:12276eed13ac 92 void Map::check_duplicates_map_forward(N5110 &lcd){
evanso 9:1ddb8dc93e48 93 // Prints 1st part of map to fill gap wear map isn't present just befor its about to loop round it's self
evanso 9:1ddb8dc93e48 94 if(reset_position_x_map_to_origonal_ + map_length_ <84 ){
evanso 9:1ddb8dc93e48 95 for(int i = 0; i < 4; i++){
evanso 9:1ddb8dc93e48 96 draw_triangle(lcd,rand_heights_[i]);
evanso 9:1ddb8dc93e48 97 draw_line(lcd,rand_lengths_[i]);
evanso 9:1ddb8dc93e48 98 }
evanso 9:1ddb8dc93e48 99 }
evanso 9:1ddb8dc93e48 100
evanso 9:1ddb8dc93e48 101 }
evanso 9:1ddb8dc93e48 102
evanso 11:ab578a151f67 103 void Map::check_duplicates_map_backwards(N5110 &lcd){
evanso 9:1ddb8dc93e48 104 // Prints last part of map to fill gap wear map isn't present just befor its about to loop round it's self
evanso 9:1ddb8dc93e48 105 if(reset_position_x_map_to_origonal_ > 0 ){
evanso 9:1ddb8dc93e48 106 int print_reverse_position = 0;
evanso 11:ab578a151f67 107
evanso 11:ab578a151f67 108 // prints the last 4 parts of map to fill gap
evanso 9:1ddb8dc93e48 109 for(int i = final_random_element_used_ ; i > final_random_element_used_ - 4; i--){
evanso 9:1ddb8dc93e48 110 position_x_map_ = reset_position_x_map_to_origonal_ - rand_lengths_[i] - print_reverse_position;
evanso 9:1ddb8dc93e48 111 draw_line(lcd,rand_lengths_[i]);
evanso 9:1ddb8dc93e48 112 print_reverse_position += rand_lengths_[i];
evanso 9:1ddb8dc93e48 113 position_x_map_ = reset_position_x_map_to_origonal_ - 2*rand_heights_[i] - print_reverse_position;
evanso 9:1ddb8dc93e48 114 draw_triangle(lcd,rand_heights_[i]);
evanso 9:1ddb8dc93e48 115 print_reverse_position += 2*rand_heights_[i];
evanso 9:1ddb8dc93e48 116 }
evanso 9:1ddb8dc93e48 117 }
evanso 7:0af4ced868f5 118 }
evanso 7:0af4ced868f5 119
evanso 7:0af4ced868f5 120 int Map::get_position_x_map(){
evanso 7:0af4ced868f5 121 return position_x_map_;
evanso 7:0af4ced868f5 122 }
evanso 7:0af4ced868f5 123
evanso 9:1ddb8dc93e48 124
evanso 9:1ddb8dc93e48 125
evanso 9:1ddb8dc93e48 126
evanso 9:1ddb8dc93e48 127