ELEC2645 (2018/19) / Mbed 2 deprecated el17dg

Initial publish

Dependencies:   mbed

Fork of el17dg by Dmitrijs Griskovs

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

Committer:
Noximilien
Date:
Tue May 07 15:22:35 2019 +0000
Revision:
40:e3bbda7444fa
Parent:
39:ca77a6d574e6 
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 33:c623c6d5ed16 1 #ifndef BOSS_H
Noximilien 33:c623c6d5ed16 2 #define BOSS_H
Noximilien 33:c623c6d5ed16 3
Noximilien 33:c623c6d5ed16 4 #include "constants.h"
Noximilien 33:c623c6d5ed16 5
Noximilien 34:754915ce9de5 6 /**
Noximilien 34:754915ce9de5 7 * Boss Class
Noximilien 34:754915ce9de5 8 * @brief A class to describe the states of the boss ship.
Noximilien 34:754915ce9de5 9 * @author Dmitrijs Griskovs
Noximilien 34:754915ce9de5 10 * @date 30/04/2019
Noximilien 34:754915ce9de5 11 */
Noximilien 33:c623c6d5ed16 12 class Boss : public GameObject {
Noximilien 33:c623c6d5ed16 13 public:
Noximilien 33:c623c6d5ed16 14 /**
Noximilien 37:6a2bf4488022 15 * @brief Maximum boss blasts on the screen.
Noximilien 33:c623c6d5ed16 16 */
Noximilien 37:6a2bf4488022 17 static const int max_boss_blasts = 5;
Noximilien 33:c623c6d5ed16 18
Noximilien 33:c623c6d5ed16 19
Noximilien 34:754915ce9de5 20 GameObject boss_blasts[max_boss_blasts];
Noximilien 33:c623c6d5ed16 21 CircleBounds boss_bounds;
Noximilien 33:c623c6d5ed16 22 CircleBounds boss_blast_bounds;
Noximilien 34:754915ce9de5 23
Noximilien 34:754915ce9de5 24 /**
Noximilien 34:754915ce9de5 25 * Constructor
Noximilien 34:754915ce9de5 26 * Sets values for the boss' sprite body circle area, the blast circle
Noximilien 34:754915ce9de5 27 * area and the circle radius for collsion callculations. Also, resets the
Noximilien 34:754915ce9de5 28 * cutscene.
Noximilien 34:754915ce9de5 29 */
Noximilien 33:c623c6d5ed16 30 Boss() {
Noximilien 33:c623c6d5ed16 31 boss_bounds.center.x = 5;
Noximilien 33:c623c6d5ed16 32 boss_bounds.center.y = 8;
Noximilien 33:c623c6d5ed16 33 boss_bounds.radius = 10;
Noximilien 33:c623c6d5ed16 34
Noximilien 34:754915ce9de5 35 boss_blast_bounds.center.x = 1;
Noximilien 34:754915ce9de5 36 boss_blast_bounds.center.y = 0;
Noximilien 33:c623c6d5ed16 37 boss_blast_bounds.radius = 1;
Noximilien 33:c623c6d5ed16 38
Noximilien 34:754915ce9de5 39 switch_boss_y_dir = true;
Noximilien 34:754915ce9de5 40 animation_counter = 0;
Noximilien 34:754915ce9de5 41 resetCutscene();
Noximilien 33:c623c6d5ed16 42 }
Noximilien 33:c623c6d5ed16 43
Noximilien 35:172db1608332 44 /**
Noximilien 35:172db1608332 45 * @brief Updates and draws the boss blasts accross the screen.
Noximilien 35:172db1608332 46 */
Noximilien 35:172db1608332 47 void updateAndDrawBossBlasts() {
Noximilien 35:172db1608332 48 for (int i = 0; i < max_boss_blasts; ++i) {
Noximilien 35:172db1608332 49 if (boss_blasts[i].active) {
Noximilien 35:172db1608332 50 boss_blasts[i].pos.x -= boss_blast_speed;
Noximilien 35:172db1608332 51 if (boss_blasts[i].pos.x <= 0){
Noximilien 35:172db1608332 52 boss_blasts[i].active = false;
Noximilien 35:172db1608332 53 continue;
Noximilien 35:172db1608332 54 }
Noximilien 35:172db1608332 55 drawSprite(boss_blasts[i].pos, blast_sprite);
Noximilien 35:172db1608332 56 }
Noximilien 35:172db1608332 57 }
Noximilien 35:172db1608332 58 }
Noximilien 35:172db1608332 59 /**
Noximilien 35:172db1608332 60 * @brief Updates and draws the boss.
Noximilien 35:172db1608332 61 * @details this function is monitored in game.cpp and when the boss becomes
Noximilien 35:172db1608332 62 * inactive, the gameplay would switch from boss to normal.
Noximilien 35:172db1608332 63 * @returns bool active, when the boss is out of lives
Noximilien 35:172db1608332 64 */
Noximilien 35:172db1608332 65 bool updateAndDrawBoss(){
Noximilien 35:172db1608332 66 if(switch_boss_y_dir) { pos.y += 1;}
Noximilien 35:172db1608332 67 else { pos.y -= 1;}
Noximilien 35:172db1608332 68 if (pos.y >= (game_area_height - enemy1_height)){ switch_boss_y_dir = false;}
Noximilien 35:172db1608332 69 else if (pos.y <= game_area_y) { switch_boss_y_dir = true;}
Noximilien 35:172db1608332 70 blast_countdown -= 1;
Noximilien 35:172db1608332 71 if (blast_countdown <= 0) {
Noximilien 35:172db1608332 72 fireNewBlast(pos.x, pos.y + 2);
Noximilien 35:172db1608332 73 fireNewBlast(pos.x, pos.y + enemy1_height - 2);
Noximilien 35:172db1608332 74 blast_countdown = 10;
Noximilien 35:172db1608332 75 }
Noximilien 35:172db1608332 76 if(!dead() && active){ draw();}
Noximilien 35:172db1608332 77 else{
Noximilien 35:172db1608332 78 GameGlobals::game_score += 300;
Noximilien 35:172db1608332 79 GameGlobals::score_count_for_boss_mode = 0;
Noximilien 36:207ec7db8648 80 updateAndDrawDeathExplosion();
Noximilien 35:172db1608332 81 lcd.normalMode();
Noximilien 35:172db1608332 82 }
Noximilien 35:172db1608332 83 return active;
Noximilien 35:172db1608332 84 }
Noximilien 35:172db1608332 85 /**
Noximilien 35:172db1608332 86 * @brief Updates and draws the boss' cutscene of entering the game.
Noximilien 35:172db1608332 87 * @details It freezes the screen until the boss is set on the screen. Also,
Noximilien 35:172db1608332 88 * it sets its position and number of lives.
Noximilien 35:172db1608332 89 * @returns bool active, when the boss is out of lives
Noximilien 35:172db1608332 90 */
Noximilien 35:172db1608332 91 void updateCutscene() {
Noximilien 35:172db1608332 92 if (!started_cutscene) {
Noximilien 35:172db1608332 93 started_cutscene = true;
Noximilien 35:172db1608332 94 pos.y = screen_height/2 - (enemy1_height/2);
Noximilien 35:172db1608332 95 pos.x = screen_width;
Noximilien 35:172db1608332 96 animation_counter = 0;
Noximilien 35:172db1608332 97 active = true;
Noximilien 35:172db1608332 98 boss_lives = 10;
Noximilien 38:ef3968546d36 99 dead_counter = 5;
Noximilien 37:6a2bf4488022 100 DG_PRINTF("boss lives set to: %i \n", boss_lives);
Noximilien 35:172db1608332 101 return;
Noximilien 35:172db1608332 102 }
Noximilien 35:172db1608332 103 if (animation_counter < animation_length) {
Noximilien 35:172db1608332 104 pos.x -= 1;
Noximilien 35:172db1608332 105 animation_counter++;
Noximilien 35:172db1608332 106 }
Noximilien 35:172db1608332 107 }
Noximilien 35:172db1608332 108
Noximilien 35:172db1608332 109 /** @brief draws boss' sprite.*/
Noximilien 35:172db1608332 110 void draw() { drawSpriteOnTop(pos, enemy1_sprite);}
Noximilien 35:172db1608332 111 /** @brief resets the boss' cutscene.*/
Noximilien 35:172db1608332 112 void resetCutscene() { started_cutscene = false; }
Noximilien 35:172db1608332 113 /**
Noximilien 35:172db1608332 114 * @returns bool true
Noximilien 35:172db1608332 115 * @brief It starts the boss fight sequence when the cutscene is finished.
Noximilien 35:172db1608332 116 */
Noximilien 35:172db1608332 117 bool isFinishedCutscene() { return animation_counter >= animation_length; }
Noximilien 35:172db1608332 118 /**
Noximilien 35:172db1608332 119 * @var int boss_lives
Noximilien 35:172db1608332 120 * @brief contains boss' lives.
Noximilien 35:172db1608332 121 */
Noximilien 35:172db1608332 122 int boss_lives;
Noximilien 35:172db1608332 123
Noximilien 35:172db1608332 124 private:
Noximilien 36:207ec7db8648 125 void updateAndDrawDeathExplosion() {
Noximilien 36:207ec7db8648 126 for(int dead_counter; dead_counter >= 0; dead_counter--){
Noximilien 36:207ec7db8648 127 if (dead_counter > 0) {
Noximilien 36:207ec7db8648 128 if (dead_counter == 4){
Noximilien 36:207ec7db8648 129 drawSpriteOnTop(pos, enemy1_quarter_exploded_sprite);
Noximilien 36:207ec7db8648 130 } else if (dead_counter == 3){
Noximilien 36:207ec7db8648 131 drawSpriteOnTop(pos, enemy1_half_exploded_sprite);
Noximilien 36:207ec7db8648 132 } else if (dead_counter == 2){
Noximilien 36:207ec7db8648 133 drawSpriteOnTop(pos, enemy1_second_quarter_exploded_sprite);
Noximilien 36:207ec7db8648 134 } else if (dead_counter == 1){
Noximilien 36:207ec7db8648 135 drawSpriteOnTop(pos, enemy1_fully_exploded_sprite);
Noximilien 36:207ec7db8648 136 }
Noximilien 36:207ec7db8648 137 } else {
Noximilien 36:207ec7db8648 138 active = false;
Noximilien 39:ca77a6d574e6 139 DG_PRINTF("boss died \n");
Noximilien 36:207ec7db8648 140 }
Noximilien 36:207ec7db8648 141 }
Noximilien 36:207ec7db8648 142 }
Noximilien 35:172db1608332 143
Noximilien 35:172db1608332 144 /**
Noximilien 35:172db1608332 145 * @brief Spawns a blast at the position of the boss.
Noximilien 35:172db1608332 146 * @param x (int x) to give x position of the boss blast.
Noximilien 35:172db1608332 147 * @param y (int y) to give y position of the boss blast.
Noximilien 35:172db1608332 148 * @details For this function the parameters are required to be able to spawn
Noximilien 35:172db1608332 149 * two independed from each other blasts at the same time and different
Noximilien 35:172db1608332 150 * positions.
Noximilien 35:172db1608332 151 */
Noximilien 34:754915ce9de5 152 bool fireNewBlast(int x, int y) {
Noximilien 33:c623c6d5ed16 153 // Search the array of blasts if inactive we can use it.
Noximilien 33:c623c6d5ed16 154 int found = -1;
Noximilien 33:c623c6d5ed16 155 for (int i = 0; i < max_boss_blasts; ++i) {
Noximilien 34:754915ce9de5 156 if (!boss_blasts[i].active) {
Noximilien 33:c623c6d5ed16 157 found = i;
Noximilien 33:c623c6d5ed16 158 break;
Noximilien 33:c623c6d5ed16 159 }
Noximilien 33:c623c6d5ed16 160 }
Noximilien 33:c623c6d5ed16 161 if (found != -1) {
Noximilien 34:754915ce9de5 162 boss_blasts[found].active = true;
Noximilien 34:754915ce9de5 163 boss_blasts[found].pos.x = x;
Noximilien 34:754915ce9de5 164 boss_blasts[found].pos.y = y;
Noximilien 34:754915ce9de5 165 gamepad.tone(500,0.1);
Noximilien 34:754915ce9de5 166 return true;
Noximilien 33:c623c6d5ed16 167 }
Noximilien 34:754915ce9de5 168 return false;
Noximilien 33:c623c6d5ed16 169 }
Noximilien 34:754915ce9de5 170 static const int boss_y_speed = 2;
Noximilien 34:754915ce9de5 171 static const int boss_blast_speed = 4;
Noximilien 36:207ec7db8648 172 static const int animation_length = 20;
Noximilien 34:754915ce9de5 173 bool dead(){return boss_lives == 0;}
Noximilien 34:754915ce9de5 174 bool started_cutscene;
Noximilien 33:c623c6d5ed16 175 bool switch_boss_y_dir;
Noximilien 34:754915ce9de5 176 int blast_countdown;
Noximilien 34:754915ce9de5 177 int animation_counter;
Noximilien 36:207ec7db8648 178 int dead_counter;
Noximilien 33:c623c6d5ed16 179 };
Noximilien 33:c623c6d5ed16 180
Noximilien 33:c623c6d5ed16 181 #endif