ELEC2645 (2018/19) / Mbed 2 deprecated el17dg

Initial publish

Dependencies:   mbed

Fork of el17dg by Dmitrijs Griskovs

game/player.h@40:e3bbda7444fa, 2019-05-07 (annotated)

Committer:
Noximilien
Date:
Tue May 07 15:22:35 2019 +0000
Revision:
40:e3bbda7444fa
Parent:
36:207ec7db8648 
The Final, Submission Version. I have read and agreed to the academic integrity. SID:201160286

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Noximilien 23:240bc00ef25b 1 #ifndef PLAYER_H
Noximilien 23:240bc00ef25b 2 #define PLAYER_H
Noximilien 23:240bc00ef25b 3
Noximilien 31:becb8f6bf7b7 4 /**
Noximilien 31:becb8f6bf7b7 5 * Player Class
Noximilien 31:becb8f6bf7b7 6 * @brief Manages player's ship.
Noximilien 29:579e00b7f118 7 * @author Dmitrijs Griskovs
Noximilien 29:579e00b7f118 8 * @date 15/04/2019
Noximilien 29:579e00b7f118 9 */
Noximilien 33:c623c6d5ed16 10 class Player : public GameObject {
Noximilien 23:240bc00ef25b 11 public:
Noximilien 32:5403bb974294 12 /**
Noximilien 32:5403bb974294 13 * @var static const int max_player_blasts variable;
Noximilien 32:5403bb974294 14 * @brief Sets the limit of maximum player blasts on the screen.
Noximilien 32:5403bb974294 15 */
Noximilien 32:5403bb974294 16 static const int max_player_blasts = 5;
Noximilien 35:172db1608332 17
Noximilien 32:5403bb974294 18
Noximilien 31:becb8f6bf7b7 19 GameObject blasts[max_player_blasts];
Noximilien 31:becb8f6bf7b7 20 CircleBounds player_bounds;
Noximilien 31:becb8f6bf7b7 21 CircleBounds blast_bounds;
Noximilien 31:becb8f6bf7b7 22 Game force_shield_check;
Noximilien 31:becb8f6bf7b7 23 /**
Noximilien 31:becb8f6bf7b7 24 * @brief A constructor of the player's ship.
Noximilien 31:becb8f6bf7b7 25 * @details A constructor for the palyer's sprite body circle area and the
Noximilien 31:becb8f6bf7b7 26 * blast circle area. It sets the circle radius for collsion callculations.
Noximilien 31:becb8f6bf7b7 27 */
Noximilien 31:becb8f6bf7b7 28 Player() {
Noximilien 31:becb8f6bf7b7 29 player_bounds.center.x = 5;
Noximilien 34:754915ce9de5 30 player_bounds.center.y = 7;
Noximilien 34:754915ce9de5 31 player_bounds.radius = 5;
Noximilien 31:becb8f6bf7b7 32
Noximilien 31:becb8f6bf7b7 33 blast_bounds.center.x = 0;
Noximilien 31:becb8f6bf7b7 34 blast_bounds.center.y = 1;
Noximilien 31:becb8f6bf7b7 35 blast_bounds.radius = 1;
Noximilien 31:becb8f6bf7b7 36 }
Noximilien 23:240bc00ef25b 37
Noximilien 31:becb8f6bf7b7 38 /**
Noximilien 31:becb8f6bf7b7 39 * @brief Draws the player's blasts on the screen
Noximilien 31:becb8f6bf7b7 40 * @details This function Will draw every activated blast to the left with the blast_speed.
Noximilien 31:becb8f6bf7b7 41 * It will deactivate blasts when they leave the screen, for future reuse.
Noximilien 31:becb8f6bf7b7 42 * If the blast does miss the enemy and leaves the screen limits, the function will
Noximilien 31:becb8f6bf7b7 43 * substract 10 points in game_score.
Noximilien 31:becb8f6bf7b7 44 */
Noximilien 23:240bc00ef25b 45 void updateAndDrawBlasts() {
Noximilien 23:240bc00ef25b 46 for (int i = 0; i < max_player_blasts; ++i) {
Noximilien 23:240bc00ef25b 47 if (blasts[i].active) {
Noximilien 23:240bc00ef25b 48 blasts[i].pos.x += blast_speed;
Noximilien 23:240bc00ef25b 49 if (blasts[i].pos.x >= screen_width){
Noximilien 23:240bc00ef25b 50 blasts[i].active = false;
Noximilien 31:becb8f6bf7b7 51 GameGlobals::game_score -= 10;
Noximilien 23:240bc00ef25b 52 }
Noximilien 34:754915ce9de5 53 drawSprite(blasts[i].pos, blast_sprite);
Noximilien 23:240bc00ef25b 54 }
Noximilien 23:240bc00ef25b 55 }
Noximilien 23:240bc00ef25b 56 }
Noximilien 29:579e00b7f118 57
Noximilien 31:becb8f6bf7b7 58 /**
Noximilien 31:becb8f6bf7b7 59 * @brief Makes a blast active and gives it the start positions.
Noximilien 31:becb8f6bf7b7 60 * @details This function searches the array for the inactive blasts,
Noximilien 31:becb8f6bf7b7 61 * If a blast is not active, it will set it to active and will start drawing
Noximilien 31:becb8f6bf7b7 62 * it accross the screen until it reaches the LCD border line.
Noximilien 31:becb8f6bf7b7 63 */
Noximilien 23:240bc00ef25b 64 void fireNewBlast() {
Noximilien 31:becb8f6bf7b7 65 // Search the array of blasts if inactive we can use it.
Noximilien 23:240bc00ef25b 66 int found = -1;
Noximilien 23:240bc00ef25b 67 for (int i = 0; i < max_player_blasts; ++i) {
Noximilien 23:240bc00ef25b 68 if (!blasts[i].active) {
Noximilien 23:240bc00ef25b 69 found = i;
Noximilien 23:240bc00ef25b 70 break;
Noximilien 23:240bc00ef25b 71 }
Noximilien 29:579e00b7f118 72 }
Noximilien 23:240bc00ef25b 73 if (found != -1) {
Noximilien 23:240bc00ef25b 74 blasts[found].active = true;
Noximilien 33:c623c6d5ed16 75 blasts[found].pos.x = pos.x + spaceship1_width - 2;
Noximilien 33:c623c6d5ed16 76 blasts[found].pos.y = pos.y + (spaceship1_height/2);
Noximilien 23:240bc00ef25b 77 }
Noximilien 29:579e00b7f118 78 }
Noximilien 29:579e00b7f118 79
Noximilien 31:becb8f6bf7b7 80 /**
Noximilien 31:becb8f6bf7b7 81 * @brief Updates and draws player's ship (including with force shield sprite) positon.
Noximilien 31:becb8f6bf7b7 82 * @details The function reads the analog input signal from joystick and
Noximilien 31:becb8f6bf7b7 83 * moves the player's ship on the LCD accordingly.(move joystick, the ship
Noximilien 31:becb8f6bf7b7 84 * moves up, move joystick right, the ship moves right). Also, this function checks
Noximilien 31:becb8f6bf7b7 85 * whether the force shield was activated in game.cpp, if it was then the player's
Noximilien 31:becb8f6bf7b7 86 * ship is replaced the exactky the same sip but with the added force shield.
Noximilien 31:becb8f6bf7b7 87 */
Noximilien 33:c623c6d5ed16 88 void updateAndDraw() {
Noximilien 31:becb8f6bf7b7 89 if(x_dir.read() > joy_threshold_max_x) {
Noximilien 33:c623c6d5ed16 90 pos.x -= ship_speed;
Noximilien 31:becb8f6bf7b7 91 } else if(x_dir.read() < joy_threshold_min_x) {
Noximilien 33:c623c6d5ed16 92 pos.x += ship_speed;
Noximilien 23:240bc00ef25b 93 }
Noximilien 31:becb8f6bf7b7 94 if(y_dir.read() > joy_threshold_max_y) {
Noximilien 33:c623c6d5ed16 95 pos.y -= ship_speed;
Noximilien 31:becb8f6bf7b7 96 } else if(y_dir.read() < joy_threshold_min_y) {
Noximilien 33:c623c6d5ed16 97 pos.y += ship_speed;
Noximilien 23:240bc00ef25b 98 }
Noximilien 28:35af3843de8f 99 shipMovementLimits();
Noximilien 33:c623c6d5ed16 100 draw();
Noximilien 33:c623c6d5ed16 101 }
Noximilien 34:754915ce9de5 102 /**
Noximilien 34:754915ce9de5 103 * @brief Updates and draws player's ship and the force shield sprites.
Noximilien 34:754915ce9de5 104 */
Noximilien 33:c623c6d5ed16 105 void draw() {
Noximilien 30:d454d0cb72bc 106 if (force_shield_check.forceShildActivate()){
Noximilien 33:c623c6d5ed16 107 drawSpriteOnTop(pos, player_spaceship1_shield_sprite);
Noximilien 31:becb8f6bf7b7 108 } else {
Noximilien 33:c623c6d5ed16 109 drawSpriteOnTop(pos, player_spaceship1_sprite);
Noximilien 30:d454d0cb72bc 110 }
Noximilien 28:35af3843de8f 111 }
Noximilien 28:35af3843de8f 112 private:
Noximilien 35:172db1608332 113 /**
Noximilien 35:172db1608332 114 * @var static const int ship_speed variable;
Noximilien 35:172db1608332 115 * @brief Sets the speed of the player's ship.
Noximilien 35:172db1608332 116 */
Noximilien 35:172db1608332 117 static const int ship_speed = 2;
Noximilien 35:172db1608332 118 /**
Noximilien 35:172db1608332 119 * @var static const int blast_speed variable;
Noximilien 35:172db1608332 120 * @brief Sets the speed of the player's blast.
Noximilien 35:172db1608332 121 */
Noximilien 35:172db1608332 122 static const int blast_speed = 5;
Noximilien 35:172db1608332 123
Noximilien 31:becb8f6bf7b7 124 /** Prevents the player's ship to go beyond the playing zone limits.*/
Noximilien 28:35af3843de8f 125 void shipMovementLimits(){
Noximilien 29:579e00b7f118 126 // Limits player ship on screen
Noximilien 33:c623c6d5ed16 127 if (pos.x < game_area_x){ pos.x = game_area_x;}
Noximilien 33:c623c6d5ed16 128 if (pos.y < game_area_y) { pos.y = game_area_y;}
Noximilien 23:240bc00ef25b 129 int max_player_x = game_area_x + game_area_width - spaceship1_width;
Noximilien 23:240bc00ef25b 130 int max_player_y = game_area_y + game_area_height - spaceship1_height;
Noximilien 33:c623c6d5ed16 131 if (pos.x > max_player_x) pos.x = max_player_x;
Noximilien 33:c623c6d5ed16 132 if (pos.y > max_player_y) pos.y = max_player_y;
Noximilien 25:749f1efc31fc 133 }
Noximilien 23:240bc00ef25b 134 };
Noximilien 23:240bc00ef25b 135 #endif