Weapons.cpp

00001 #include "Weapons.h"
00002 
00003 Weapons::Weapons() {
00004     
00005 }
00006  
00007 Weapons::~Weapons() {
00008     
00009 }
00010  
00011 void Weapons::init(Vector2D sprite_pos, bool sprite_direction, 
00012 bool bullet_type) {
00013     // Bullet for alien or for spaceship 
00014     set_direction(sprite_direction);
00015     if (bullet_type) {
00016         calc_bullets_start_pos(sprite_pos, sprite_direction);
00017     }else{
00018         calc_alien_bullets_start_pos(sprite_pos, sprite_direction);
00019     }
00020     bullet_delete_counter_ = 0;
00021 }
00022 
00023 void Weapons::smart_bomb(N5110 &lcd) {
00024     // Turn backlight off and on twice
00025     lcd.backLightOff();
00026     wait(0.02);
00027     lcd.backLightOn();
00028     wait(0.02);
00029     lcd.backLightOff();
00030     wait(0.02);
00031     lcd.backLightOn();
00032 }
00033 
00034 
00035 void Weapons::calc_bullets_start_pos(Vector2D spaceship_pos, 
00036 bool spaceship_sprite_direction_) {
00037     // Sets start position of bullet to spaceships nose
00038     if (spaceship_sprite_direction_) {
00039         position_x_ = spaceship_pos.x + 13;
00040         position_y_ = spaceship_pos.y + 2;
00041     }else{
00042         position_x_ = spaceship_pos.x;
00043         position_y_ = spaceship_pos.y + 2;
00044     }
00045     #ifdef POSITION_BULLET_DEBUG   
00046         printf("X = %d\n", position_x_);       
00047         printf("Y = %d\n", position_y_);
00048     #endif 
00049 }
00050 
00051 void Weapons::draw_bullet(N5110 &lcd) {
00052     // Draws then moves the bullet position
00053     lcd.drawLine(position_x_, position_y_, position_x_+1, position_y_, 1);
00054     if (direction_) {
00055         position_x_ += 3;
00056     }else{
00057         position_x_ -= 3;
00058     }
00059   
00060     // Increments counter
00061     bullet_delete_counter_++;
00062 }
00063 
00064 void Weapons::calc_alien_bullets_start_pos(Vector2D alien_pos, 
00065 bool alien_sprite_direction_) {
00066     // Sets start position of bullet to middle of alien
00067     position_x_ = alien_pos.x + 3;
00068     position_y_ = alien_pos.y + 3;
00069     
00070     // Gets a random direction for the bullet to travel in
00071     set_random_move();
00072 }
00073 
00074 void Weapons::draw_alien_bullet(N5110 &lcd,Direction d_) {
00075     // Draws then moves the bullet position
00076     lcd.drawLine(position_x_, position_y_, position_x_+1, position_y_, 1);
00077     
00078     // Moves bullet in random direction and accommodates for spaceship movement
00079     move_direction();
00080     position_x_ += calc_sprite_movement(d_);
00081     
00082     // Increments counter
00083     bullet_delete_counter_++;
00084 }
00085 
00086 void Weapons::set_pos_one(Vector2D pos) {
00087     position_x_ = pos.x;
00088     position_y_ = pos.y;
00089 }
00090 
00091 void Weapons::set_direction(bool sprite_direction) {
00092     direction_ = sprite_direction;   
00093 }
00094 
00095 int Weapons::get_bullet_delete_counter() {
00096     return bullet_delete_counter_; 
00097 }
00098 
00099 bool Weapons::get_direction() {
00100     return direction_;   
00101 }