Guy Maor / Mbed 2 deprecated Starship

This code contains the game Starship designed for the STM32F429i-DISC1 board. It requires a keyboard to play.

Dependencies:   Starship LCD_DISCO_F429ZI USBHost mbed

Dependents:   Starship

Bullet.c@1:527a11035e0b, 2017-11-17 (annotated)

Committer:
Oshyrath
Date:
Fri Nov 17 02:23:33 2017 +0000
Revision:
1:527a11035e0b
Parent:
0:c9afe145b57b 
First Publish of the code.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Oshyrath 0:c9afe145b57b 1 #include "Bullet.h"
Oshyrath 1:527a11035e0b 2
Oshyrath 1:527a11035e0b 3 struct Bullet * enemyBulletPTR;
Oshyrath 1:527a11035e0b 4 struct Bullet * playerBulletPTR;
Oshyrath 1:527a11035e0b 5 int16_t enemyBulletCount;
Oshyrath 1:527a11035e0b 6 int16_t playerBulletCount;
Oshyrath 1:527a11035e0b 7
Oshyrath 1:527a11035e0b 8 void addEnemyBullet(int16_t x_pos, int16_t y_pos)
Oshyrath 0:c9afe145b57b 9 {
Oshyrath 0:c9afe145b57b 10 struct Bullet * newBullet = (struct Bullet *) malloc(sizeof(struct Bullet));
Oshyrath 0:c9afe145b57b 11 newBullet->x_pos = x_pos;
Oshyrath 0:c9afe145b57b 12 newBullet->y_pos = y_pos;
Oshyrath 0:c9afe145b57b 13 newBullet->x_vel = 0;
Oshyrath 0:c9afe145b57b 14 newBullet->y_vel = DEFAULT_BULLET_SPEED;
Oshyrath 0:c9afe145b57b 15 newBullet->isPlayerBullet = 0;
Oshyrath 0:c9afe145b57b 16 enemyBulletCount++;
Oshyrath 0:c9afe145b57b 17 if(enemyBulletCount==1)
Oshyrath 0:c9afe145b57b 18 {
Oshyrath 0:c9afe145b57b 19 newBullet->prev = newBullet;
Oshyrath 0:c9afe145b57b 20 newBullet->next = newBullet;
Oshyrath 0:c9afe145b57b 21 enemyBulletPTR = newBullet;
Oshyrath 0:c9afe145b57b 22 return;
Oshyrath 0:c9afe145b57b 23 }
Oshyrath 0:c9afe145b57b 24 struct Bullet * tempNext = enemyBulletPTR->next;
Oshyrath 0:c9afe145b57b 25 enemyBulletPTR->next = newBullet;
Oshyrath 0:c9afe145b57b 26 newBullet->prev = enemyBulletPTR;
Oshyrath 0:c9afe145b57b 27 tempNext->prev = newBullet;
Oshyrath 0:c9afe145b57b 28 newBullet->next = tempNext;
Oshyrath 0:c9afe145b57b 29 }
Oshyrath 1:527a11035e0b 30 void addPlayerBullet(int16_t x_pos, int16_t y_pos, int16_t x_vel, int16_t y_vel, int8_t power, int8_t bomb)
Oshyrath 0:c9afe145b57b 31 {
Oshyrath 0:c9afe145b57b 32 struct Bullet * newBullet = (struct Bullet *) malloc(sizeof(struct Bullet));
Oshyrath 0:c9afe145b57b 33 newBullet->x_pos = x_pos;
Oshyrath 0:c9afe145b57b 34 newBullet->y_pos = y_pos;
Oshyrath 0:c9afe145b57b 35 newBullet->x_vel = x_vel;
Oshyrath 0:c9afe145b57b 36 newBullet->y_vel = y_vel;
Oshyrath 0:c9afe145b57b 37 newBullet->powerShot = power;
Oshyrath 0:c9afe145b57b 38 newBullet->isPlayerBullet = 1;
Oshyrath 1:527a11035e0b 39 newBullet->isBombBullet = bomb;
Oshyrath 0:c9afe145b57b 40 playerBulletCount++;
Oshyrath 0:c9afe145b57b 41 if(playerBulletCount==1)
Oshyrath 0:c9afe145b57b 42 {
Oshyrath 0:c9afe145b57b 43 newBullet->prev = newBullet;
Oshyrath 0:c9afe145b57b 44 newBullet->next = newBullet;
Oshyrath 0:c9afe145b57b 45 playerBulletPTR = newBullet;
Oshyrath 0:c9afe145b57b 46 return;
Oshyrath 0:c9afe145b57b 47 }
Oshyrath 0:c9afe145b57b 48 struct Bullet * tempNext = playerBulletPTR->next;
Oshyrath 0:c9afe145b57b 49 playerBulletPTR->next = newBullet;
Oshyrath 0:c9afe145b57b 50 newBullet->prev = playerBulletPTR;
Oshyrath 0:c9afe145b57b 51 tempNext->prev = newBullet;
Oshyrath 0:c9afe145b57b 52 newBullet->next = tempNext;
Oshyrath 0:c9afe145b57b 53 }
Oshyrath 0:c9afe145b57b 54 void removeBullet(struct Bullet * removePTR)
Oshyrath 0:c9afe145b57b 55 {
Oshyrath 0:c9afe145b57b 56 if(removePTR->isPlayerBullet)
Oshyrath 0:c9afe145b57b 57 {
Oshyrath 0:c9afe145b57b 58 if(playerBulletCount <= 0)
Oshyrath 0:c9afe145b57b 59 return;
Oshyrath 0:c9afe145b57b 60 playerBulletCount--;
Oshyrath 1:527a11035e0b 61 if(playerBulletCount == 0)
Oshyrath 0:c9afe145b57b 62 playerBulletPTR = (struct Bullet *) 0;
Oshyrath 0:c9afe145b57b 63 else
Oshyrath 0:c9afe145b57b 64 {
Oshyrath 0:c9afe145b57b 65 playerBulletPTR = removePTR->prev;
Oshyrath 0:c9afe145b57b 66 struct Bullet * tempNext = removePTR->next;
Oshyrath 0:c9afe145b57b 67 playerBulletPTR->next = tempNext;
Oshyrath 0:c9afe145b57b 68 tempNext->prev = playerBulletPTR;
Oshyrath 0:c9afe145b57b 69 }
Oshyrath 0:c9afe145b57b 70 }
Oshyrath 0:c9afe145b57b 71 else
Oshyrath 0:c9afe145b57b 72 {
Oshyrath 0:c9afe145b57b 73 if(enemyBulletCount <= 0)
Oshyrath 0:c9afe145b57b 74 return;
Oshyrath 0:c9afe145b57b 75 enemyBulletCount--;
Oshyrath 1:527a11035e0b 76 if(enemyBulletCount == 0)
Oshyrath 0:c9afe145b57b 77 enemyBulletPTR = (struct Bullet *) 0;
Oshyrath 0:c9afe145b57b 78 else
Oshyrath 0:c9afe145b57b 79 {
Oshyrath 0:c9afe145b57b 80 enemyBulletPTR = removePTR->prev;
Oshyrath 0:c9afe145b57b 81 struct Bullet * tempNext = removePTR->next;
Oshyrath 0:c9afe145b57b 82 enemyBulletPTR->next = tempNext;
Oshyrath 0:c9afe145b57b 83 tempNext->prev = enemyBulletPTR;
Oshyrath 0:c9afe145b57b 84 }
Oshyrath 0:c9afe145b57b 85 }
Oshyrath 0:c9afe145b57b 86 free(removePTR);
Oshyrath 0:c9afe145b57b 87 }
Oshyrath 0:c9afe145b57b 88 void clearBullets()
Oshyrath 0:c9afe145b57b 89 {
Oshyrath 0:c9afe145b57b 90 while(enemyBulletCount)
Oshyrath 0:c9afe145b57b 91 removeBullet(enemyBulletPTR);
Oshyrath 0:c9afe145b57b 92 while(playerBulletCount)
Oshyrath 0:c9afe145b57b 93 removeBullet(playerBulletPTR);
Oshyrath 0:c9afe145b57b 94 }
Oshyrath 0:c9afe145b57b 95
Oshyrath 0:c9afe145b57b 96 //Specific to 1 Bullet
Oshyrath 0:c9afe145b57b 97 void bulletMovement(struct Bullet * bullet)
Oshyrath 0:c9afe145b57b 98 {
Oshyrath 0:c9afe145b57b 99 bullet->x_pos+=bullet->x_vel;
Oshyrath 0:c9afe145b57b 100 bullet->y_pos+=bullet->y_vel;
Oshyrath 0:c9afe145b57b 101 }
Oshyrath 0:c9afe145b57b 102 void bulletMovement_ALL()
Oshyrath 0:c9afe145b57b 103 {
Oshyrath 0:c9afe145b57b 104 int i;
Oshyrath 0:c9afe145b57b 105 for(i = playerBulletCount; i; i--)
Oshyrath 0:c9afe145b57b 106 {
Oshyrath 0:c9afe145b57b 107 bulletMovement(playerBulletPTR);
Oshyrath 0:c9afe145b57b 108 playerBulletPTR = playerBulletPTR->next;
Oshyrath 0:c9afe145b57b 109 }
Oshyrath 0:c9afe145b57b 110 for(i = enemyBulletCount; i; i--)
Oshyrath 0:c9afe145b57b 111 {
Oshyrath 0:c9afe145b57b 112 bulletMovement(enemyBulletPTR);
Oshyrath 0:c9afe145b57b 113 enemyBulletPTR = enemyBulletPTR->next;
Oshyrath 0:c9afe145b57b 114 }
Oshyrath 0:c9afe145b57b 115 }
Oshyrath 0:c9afe145b57b 116 void removeBulletIfOOB(struct Bullet * bullet)
Oshyrath 0:c9afe145b57b 117 {
Oshyrath 0:c9afe145b57b 118 int xp = bullet->x_pos;
Oshyrath 0:c9afe145b57b 119 int yp = bullet->y_pos;
Oshyrath 0:c9afe145b57b 120 if(bullet->isPlayerBullet)
Oshyrath 0:c9afe145b57b 121 {
Oshyrath 1:527a11035e0b 122 if(!(bullet->isBombBullet))
Oshyrath 1:527a11035e0b 123 {
Oshyrath 1:527a11035e0b 124 if(yp <= -BULLET_SIZE)
Oshyrath 1:527a11035e0b 125 removeBullet(bullet);
Oshyrath 1:527a11035e0b 126 return;
Oshyrath 1:527a11035e0b 127 }
Oshyrath 0:c9afe145b57b 128 if((xp <= -BULLET_SIZE)||(xp>=LCD_WIDTH)||(yp <= -BULLET_SIZE)||(yp>=LCD_HEIGHT))
Oshyrath 0:c9afe145b57b 129 removeBullet(bullet);
Oshyrath 0:c9afe145b57b 130 }
Oshyrath 0:c9afe145b57b 131 else
Oshyrath 0:c9afe145b57b 132 {
Oshyrath 0:c9afe145b57b 133 if(yp >= LCD_HEIGHT)
Oshyrath 0:c9afe145b57b 134 removeBullet(bullet);
Oshyrath 0:c9afe145b57b 135 }
Oshyrath 0:c9afe145b57b 136 }
Oshyrath 0:c9afe145b57b 137 void removeBulletIfOOB_ALL()
Oshyrath 0:c9afe145b57b 138 {
Oshyrath 0:c9afe145b57b 139 int i;
Oshyrath 0:c9afe145b57b 140 for(i = enemyBulletCount; i; i--)
Oshyrath 0:c9afe145b57b 141 {
Oshyrath 0:c9afe145b57b 142 enemyBulletPTR = enemyBulletPTR->next;
Oshyrath 0:c9afe145b57b 143 removeBulletIfOOB(enemyBulletPTR);
Oshyrath 0:c9afe145b57b 144 }
Oshyrath 0:c9afe145b57b 145 for(i = playerBulletCount; i; i--)
Oshyrath 0:c9afe145b57b 146 {
Oshyrath 0:c9afe145b57b 147 playerBulletPTR = playerBulletPTR->next;
Oshyrath 0:c9afe145b57b 148 removeBulletIfOOB(playerBulletPTR);
Oshyrath 0:c9afe145b57b 149 }
Oshyrath 0:c9afe145b57b 150 }
Oshyrath 0:c9afe145b57b 151 void callMultiFuncBullet()
Oshyrath 0:c9afe145b57b 152 {
Oshyrath 1:527a11035e0b 153 removeBulletIfOOB_ALL();
Oshyrath 0:c9afe145b57b 154 bulletMovement_ALL();
Oshyrath 0:c9afe145b57b 155 }