void update_enemies()
{
for( int i = 0; i < enemy_num; i++ )
{
if( enemies[i].row != 0 )
{
enemies[i].col--;
draw_entity( &enemies[i], enemy );
}
}
}
void run_entites()
{
entity_t *e;
int i;
for (i = 0, e = &entity_list[0];i < num_entities; i++, e++)
{
// Move entitys
// Do s***e
draw_entity(e);
}
}
void update_projectiles()
{
for( int i = 0; i < projectile_num; i++ )
{
if( projectiles[i].row != 0 )
{
projectiles[i].col += 3;
draw_entity( &projectiles[i], ship );
}
}
}
void gameLoop()
{
// Set our game data
shipRow = 55;
shipCol = 0;
enemyCol = 225;
enemy_num = 0;
projectile_num = 0;
time_diff = 0;
kills = 0;
REG_DISPCNT = MODE3 | BG2_ENABLE;
EntityClass player_ship;
initialize_entity( &player_ship, SHIP_WIDTH, SHIP_HEIGHT, shipRow, shipCol );
EntityClass enemy;
initialize_entity( &enemy, 0, 0, 0, 0 );
enemies[max_enemies+1] = enemy;
while (lives != 0)
{
// Check if player won the level.
if( kills == 10 )
{
state = WIN;
break;
}
// Draw background
drawImage3( 0, 0, BACKGROUND_WIDTH, BACKGROUND_HEIGHT, background );
// Draw ship
draw_entity( &player_ship, ship );
// Generate enemy
if( time_diff <= 0 && enemy_num < 10 )
{
time_diff = 75;
int rand_row = ( rand() % (120+1-20) ) + 20;
generate_enemy( rand_row, enemyCol );
}
// Draw Enemy
update_enemies();
// Draw each projectile
update_projectiles();
// Check if player is dead.
if( is_player_dead( &player_ship ) == 1 )
{
lives--;
gameLoop();
}
check_collisions();
remove_old_projectiles();
remove_old_enemies();
// Draw lives
for( int i = 0; i < lives; i++ )
{
drawImage3( 140, 170 + ( i * 25 ), SHIP_WIDTH, SHIP_HEIGHT, ship );
}
waitForVblank();
// If player hits 'select' return to titleScreen and start game over.
if( KEY_DOWN_NOW( BUTTON_SELECT ) )
{
state = TITLE;
break;
}
// Player Actions
if( KEY_DOWN_NOW( BUTTON_DOWN ) )
{
if( get_row( &player_ship ) < 121 )
move_entity( &player_ship, 2, 0 );
}
if( KEY_DOWN_NOW( BUTTON_UP ) )
{
if( get_row( &player_ship ) > 20 )
move_entity( &player_ship, -2, 0 );
}
if( KEY_DOWN_NOW( BUTTON_A ) )
{
while( KEY_DOWN_NOW( BUTTON_A ) ) {
;
}
fire_weapon( &player_ship );
}
time_diff--;
}
if( lives == 0 )
{
state = GAME_OVER;
}
else if( state == WIN )
return;
}
