ELEC2645 (2017/18) / Mbed 2 deprecated ll13jrm

Final Commit

Dependencies:   mbed

SnakeEngine/SnakeEngine.h@27:bd0f69a75d8b, 2018-05-08 (annotated)

Committer:
JRM1986
Date:
Tue May 08 12:32:46 2018 +0000
Revision:
27:bd0f69a75d8b
Parent:
26:23301f48c1ed 
Final Commit

Who changed what in which revision?

UserRevisionLine numberNew contents of line
JRM1986 2:ea90cec2489a 1 #ifndef SNAKEENGINE_H
JRM1986 2:ea90cec2489a 2 #define SNAKEENGINE_H
JRM1986 2:ea90cec2489a 3
JRM1986 2:ea90cec2489a 4 #include "mbed.h"
JRM1986 3:50f01159c61d 5 #include "Gamepad.h"
JRM1986 2:ea90cec2489a 6 #include "N5110.h"
JRM1986 6:f3f508cea1c4 7 #include "Food.h"
JRM1986 6:f3f508cea1c4 8 #include "Snake.h"
JRM1986 2:ea90cec2489a 9
JRM1986 13:72bc2579e85e 10
JRM1986 2:ea90cec2489a 11 /** SnakeEngine Class
JRM1986 1:c3fdbc4b1293 12 * @brief Class that initialises and defines the game charectoristics ready for the main file
JRM1986 1:c3fdbc4b1293 13 * @author Joshua R. Marshall
JRM1986 1:c3fdbc4b1293 14 * @date Feb, 2018
JRM1986 2:ea90cec2489a 15 */
JRM1986 16:85ca9feccf3f 16
JRM1986 26:23301f48c1ed 17 static Vector2D g_tp;
JRM1986 25:f03439ee32c6 18 void g_frame_time(int frame_time);
JRM1986 25:f03439ee32c6 19
JRM1986 16:85ca9feccf3f 20
JRM1986 25:f03439ee32c6 21 static int g_tl; // tail length
JRM1986 25:f03439ee32c6 22 static int g_engine_fc; // frame counter for draw tail functions
JRM1986 25:f03439ee32c6 23 static int g_ft; // frame counter for decreasing time between food spawning
JRM1986 25:f03439ee32c6 24 static int g_n; // ensures spawning of food occurs periodically
JRM1986 25:f03439ee32c6 25 static bool g_wall; // wall collision detected
JRM1986 25:f03439ee32c6 26
JRM1986 25:f03439ee32c6 27 /** Returns the speed
JRM1986 25:f03439ee32c6 28 */
JRM1986 25:f03439ee32c6 29 static double g_speed;
JRM1986 25:f03439ee32c6 30
JRM1986 25:f03439ee32c6 31 static int g_odd_array_x[100]; // array to store odd values for x component of tail segments
JRM1986 25:f03439ee32c6 32 static int g_odd_array_y[100]; // array to store odd values for y component of tail segments
JRM1986 25:f03439ee32c6 33 static int g_even_array_x[100]; // array to store even values for x component of tail segments
JRM1986 25:f03439ee32c6 34 static int g_even_array_y[100]; // array to store even values for y component of tail segments
JRM1986 16:85ca9feccf3f 35
JRM1986 16:85ca9feccf3f 36
JRM1986 2:ea90cec2489a 37 class SnakeEngine
JRM1986 2:ea90cec2489a 38 {
JRM1986 2:ea90cec2489a 39
JRM1986 2:ea90cec2489a 40 public:
JRM1986 6:f3f508cea1c4 41
JRM1986 2:ea90cec2489a 42 SnakeEngine(); // constructor
JRM1986 2:ea90cec2489a 43 ~SnakeEngine(); // destructor
JRM1986 6:f3f508cea1c4 44
JRM1986 23:3081be418c89 45
JRM1986 23:3081be418c89 46 /** Initialises the directions for the snake and the position for the food
JRM1986 23:3081be418c89 47 * @param Input direction from pad
JRM1986 23:3081be418c89 48 * @param Current direction of snake
JRM1986 23:3081be418c89 49 * @param pos_x x position
JRM1986 25:f03439ee32c6 50 * @param pos_y y position
JRM1986 25:f03439ee32c6 51 * @param sets initial number of frames between food spawning
JRM1986 23:3081be418c89 52 */
JRM1986 23:3081be418c89 53
JRM1986 25:f03439ee32c6 54 void init(Direction in, Direction cur, int pos_x, int pos_y, int n_frames);
JRM1986 23:3081be418c89 55
JRM1986 23:3081be418c89 56 /** Updates the Food and Snake classes from the Gamepad
JRM1986 23:3081be418c89 57 */
JRM1986 23:3081be418c89 58
JRM1986 23:3081be418c89 59 void update(Gamepad &pad);
JRM1986 23:3081be418c89 60
JRM1986 24:4b180348826e 61 /** Draws the game to the lcd */
JRM1986 24:4b180348826e 62
JRM1986 24:4b180348826e 63 void draw(N5110 &lcd);
JRM1986 24:4b180348826e 64
JRM1986 24:4b180348826e 65 /** Draws the tail segments on the lcd */
JRM1986 24:4b180348826e 66
JRM1986 24:4b180348826e 67 void draw_tail(N5110 &lcd);
JRM1986 24:4b180348826e 68
JRM1986 23:3081be418c89 69 /** Gets the updated direction from the Gamepad and stores it in a struct
JRM1986 23:3081be418c89 70 */
JRM1986 23:3081be418c89 71
JRM1986 23:3081be418c89 72 void get_input(Gamepad &pad);
JRM1986 23:3081be418c89 73
JRM1986 23:3081be418c89 74 /** Check if snake has eaten food
JRM1986 23:3081be418c89 75 */
JRM1986 6:f3f508cea1c4 76
JRM1986 16:85ca9feccf3f 77 bool detect_food_collision(Gamepad &pad);
JRM1986 23:3081be418c89 78
JRM1986 23:3081be418c89 79 /** Checks if snake has hit wall
JRM1986 23:3081be418c89 80 */
JRM1986 19:b437806e579b 81 bool detect_wall_collision(Gamepad &pad);
JRM1986 23:3081be418c89 82
JRM1986 23:3081be418c89 83 /** Checks if snake has hit it's own tail
JRM1986 23:3081be418c89 84 */
JRM1986 23:3081be418c89 85
JRM1986 16:85ca9feccf3f 86 bool detect_tail_collision();
JRM1986 16:85ca9feccf3f 87
JRM1986 23:3081be418c89 88 /** Increments the length variable for tail when food is eaten
JRM1986 23:3081be418c89 89 * @param Checks if food and head have collided (been eaten)
JRM1986 23:3081be418c89 90 */
JRM1986 23:3081be418c89 91
JRM1986 16:85ca9feccf3f 92 void set_tail_length(bool collision_detected);
JRM1986 23:3081be418c89 93
JRM1986 23:3081be418c89 94 /** Gets the updated length
JRM1986 23:3081be418c89 95 * @return returns the length of the tail
JRM1986 23:3081be418c89 96 */
JRM1986 23:3081be418c89 97
JRM1986 16:85ca9feccf3f 98 int get_tail_length();
JRM1986 23:3081be418c89 99
JRM1986 23:3081be418c89 100 /** Creates an updated array of tail segments
JRM1986 23:3081be418c89 101 * @details When the engine_frame counter is odd it sets the odd_array,
JRM1986 23:3081be418c89 102 when the engine counter is even it sets the even_array.
JRM1986 23:3081be418c89 103 */
JRM1986 16:85ca9feccf3f 104
JRM1986 23:3081be418c89 105 void set_tail_array(Gamepad &pad);
JRM1986 23:3081be418c89 106
JRM1986 23:3081be418c89 107 /** Updates the odd array with new positions
JRM1986 23:3081be418c89 108 * @details For the odd array it initially sets index 0 of even array to the
JRM1986 23:3081be418c89 109 new position, then makes each odd index equal to the even
JRM1986 23:3081be418c89 110 index -1 starting from the the bottom of the array finally adding
JRM1986 23:3081be418c89 111 the new position to index 0
JRM1986 23:3081be418c89 112 */
JRM1986 23:3081be418c89 113
JRM1986 17:94dd8a691d4a 114 void set_odd_array(Gamepad &pad);
JRM1986 23:3081be418c89 115
JRM1986 23:3081be418c89 116 /** Updates the even array with new positions
JRM1986 23:3081be418c89 117 * @details For the even array it initially sets index 0 of odd array to the
JRM1986 23:3081be418c89 118 new position, then makes each even index equal to the odd
JRM1986 23:3081be418c89 119 index -1 starting from the the bottom of the array finally adding
JRM1986 23:3081be418c89 120 the new position to index 0
JRM1986 23:3081be418c89 121 */
JRM1986 23:3081be418c89 122
JRM1986 17:94dd8a691d4a 123 void set_even_array(Gamepad &pad);
JRM1986 25:f03439ee32c6 124
JRM1986 25:f03439ee32c6 125 /** Decreses the amount of frames between spawning of food
JRM1986 25:f03439ee32c6 126 * @param determines the interval and amount of tail segments are reached
JRM1986 25:f03439ee32c6 127 before the time between spawning reduces
JRM1986 25:f03439ee32c6 128 */
JRM1986 25:f03439ee32c6 129
JRM1986 25:f03439ee32c6 130 int food_spawning_time(int frame_decrementer);
JRM1986 25:f03439ee32c6 131
JRM1986 25:f03439ee32c6 132 /** Changes the frame rate increasing speed
JRM1986 25:f03439ee32c6 133 * @param determines much food is eaten before increasing the speed
JRM1986 25:f03439ee32c6 134 * @param defines the increase in speed
JRM1986 25:f03439ee32c6 135 */
JRM1986 25:f03439ee32c6 136
JRM1986 25:f03439ee32c6 137 void increase_speed(int resetter, float speed_decrementer);
JRM1986 25:f03439ee32c6 138
JRM1986 16:85ca9feccf3f 139
JRM1986 2:ea90cec2489a 140 private:
JRM1986 2:ea90cec2489a 141
JRM1986 6:f3f508cea1c4 142
JRM1986 6:f3f508cea1c4 143 Food _food;
JRM1986 6:f3f508cea1c4 144
JRM1986 6:f3f508cea1c4 145 Snake _snake;
JRM1986 10:62d8cb7742c3 146
JRM1986 17:94dd8a691d4a 147 //Direction _snake_current_direction;
JRM1986 20:277e88a8185f 148 int _snake_pos_x;
JRM1986 20:277e88a8185f 149 int _snake_pos_y;
JRM1986 13:72bc2579e85e 150
JRM1986 13:72bc2579e85e 151 Direction _in;
JRM1986 10:62d8cb7742c3 152 Direction _cur;
JRM1986 10:62d8cb7742c3 153
JRM1986 18:406fc298a7c4 154 bool _collision;
JRM1986 25:f03439ee32c6 155 int _n_frames;
JRM1986 17:94dd8a691d4a 156
JRM1986 17:94dd8a691d4a 157 int _tail_x;
JRM1986 17:94dd8a691d4a 158 int _tail_y;
JRM1986 17:94dd8a691d4a 159
JRM1986 26:23301f48c1ed 160 int _number_food_frames;
JRM1986 25:f03439ee32c6 161 void _wall_col_isr();
JRM1986 25:f03439ee32c6 162
JRM1986 2:ea90cec2489a 163
JRM1986 2:ea90cec2489a 164 };
JRM1986 2:ea90cec2489a 165 #endif