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ship.c
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ship.c
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#ifndef ____ship__
#define ____ship__
//ship.c
#include "bullet.c"
#include "rock.c"
#include "LTexture.c"
#include <SDL_mixer.h>
#include <cmath>
class Ship
{
public:
//The dimensions of the ship
static const int SHIP_WIDTH = 90;
static const int SHIP_HEIGHT = 60;
//Maximum axis velocity of the ship
static const double SHIP_VEL = 10.0;
double SHIP_PROPULSION;
LTexture* bulletTexture;
LTexture* blue_laser_bullet;
LTexture* textures[4];
int jet;
bool fire;
std::vector<Bullet*> bullets;
SDL_Rect screenRect;
Mix_Chunk *bullet_sound;
//Initializes the variables
Ship();
void set_texture_array(LTexture* texts[], LTexture* bullet, LTexture* bullet2);
//Takes key presses and adjusts the ship velocity
void handleEvent(bool buttons[]);
//Moves the ship
int move(std::vector<Rock*>& rocks);
//Shows the ship on the screen
void render();
//clear bullets vector
void clear_bullets();
int collide(std::vector<Rock*>& rocks);
//The X and Y offsets of the ship
double mPosX, mPosY;
//The velocity of the ship
double mVelX, mVelY;
//degrees of the ship
double degrees;
int upgrade_level;
int charge;
};
Ship::Ship()
{
//Initialize the offsets
mPosX = screenRect.w / 2;
mPosY = screenRect.h / 2;
//Initialize the velocity
mVelX = 0;
mVelY = 0;
degrees = 270;
charge = 0;
SHIP_PROPULSION = 0.0;
bulletTexture = NULL;
bullet_sound = NULL;
textures[0] = NULL;
textures[1] = NULL;
textures[2] = NULL;
textures[3] = NULL;
jet = 0;
fire = true;
upgrade_level = 0;
}
void Ship::set_texture_array(LTexture* texts[], LTexture* bullet, LTexture* bullet2)
{
for(int i = 0; i < 4; i++)
{
textures[i] = texts[i];
}
bulletTexture = bullet;
blue_laser_bullet = bullet2;
bullet_sound = Mix_LoadWAV( "sounds/Laser_Shoot8.wav" );
}
void Ship::handleEvent(bool buttons[])
{
// SHORTCODE: SHIP SHOOTING VARIATIONS
if(buttons[1] && buttons[3])
{
SHIP_PROPULSION += 0.025;
}
else if(buttons[1] && buttons[2])
{
degrees -= 5;
if(degrees < 0) degrees += 360;
if(fire)
{
Mix_PlayChannel( -1, bullet_sound, 0 );
if(upgrade_level == 0)
{
bullets.push_back(new Bullet(mPosX, mPosY, degrees, SHIP_PROPULSION));
bullets.back()->set_texture(bulletTexture);
fire = false;
}
else if(upgrade_level == 1)
{
bullets.push_back(new Bullet(mPosX, mPosY, degrees, SHIP_PROPULSION));
bullets.back()->set_texture(bulletTexture);
bullets.push_back(new Bullet(mPosX, mPosY, degrees+5, SHIP_PROPULSION));
bullets.back()->set_texture(bulletTexture);
bullets.push_back(new Bullet(mPosX, mPosY, degrees-5, SHIP_PROPULSION));
bullets.back()->set_texture(bulletTexture);
fire = false;
if(charge < 50) charge += 2;
}
else if(upgrade_level == 2)
{
double tempx = mPosX;
double tempy = mPosY;
while((tempx > -1 && tempx < screenRect.w) &&
(tempy > -1 && tempy < screenRect.h) && fire)
{
bullets.push_back(new Bullet(tempx, tempy, degrees, SHIP_PROPULSION*(1.25)));
bullets.back()->set_texture(blue_laser_bullet);
tempx += cos((degrees) /(180.0 / M_PI)) * 10.0;
tempy += sin((degrees) /(180.0 / M_PI)) * 10.0;
if((int)bullets.size() > 150)
{
fire = false;
}
}
if(charge < 50) charge += 3;
}
else if(upgrade_level == 3)
{
double tempx = mPosX;
double tempy = mPosY;
double xVar = cos((degrees) /(180.0 / M_PI)) * 15.0;
double yVar = sin((degrees) /(180.0 / M_PI)) * 15.0;
bullets.push_back(new Bullet(tempx, tempy, degrees, SHIP_PROPULSION));
bullets.back()->set_texture(bulletTexture);
tempx += xVar;
tempy += yVar;
bullets.push_back(new Bullet(tempx, tempy, degrees, SHIP_PROPULSION));
bullets.back()->set_texture(bulletTexture);
tempx += xVar;
tempy += yVar;
bullets.push_back(new Bullet(tempx, tempy, degrees, SHIP_PROPULSION));
bullets.back()->set_texture(bulletTexture);
tempx -= xVar;
tempy -= yVar;
xVar = cos((degrees + 90) /(180.0 / M_PI)) * 15.0;
yVar = sin((degrees + 90) /(180.0 / M_PI)) * 15.0;
tempx += xVar;
tempy += yVar;
bullets.push_back(new Bullet(tempx, tempy, degrees, SHIP_PROPULSION));
bullets.back()->set_texture(bulletTexture);
tempx -= xVar;
tempy -= yVar;
xVar = cos((degrees - 90) /(180.0 / M_PI)) * 15.0;
yVar = sin((degrees - 90) /(180.0 / M_PI)) * 15.0;
tempx += xVar;
tempy += yVar;
bullets.push_back(new Bullet(tempx, tempy, degrees, SHIP_PROPULSION));
bullets.back()->set_texture(bulletTexture);
tempx -= xVar;
tempy -= yVar;
fire = false;
if(charge < 50) charge += 2;
}
}
}
else if(buttons[2] && buttons[3])
{
degrees += 5;
if(degrees >= 360) degrees -= 360;
if(fire)
{
Mix_PlayChannel( -1, bullet_sound, 0 );
if(upgrade_level == 0)
{
bullets.push_back(new Bullet(mPosX, mPosY, degrees, SHIP_PROPULSION));
bullets.back()->set_texture(bulletTexture);
fire = false;
}
else if(upgrade_level == 1)
{
bullets.push_back(new Bullet(mPosX, mPosY, degrees, SHIP_PROPULSION));
bullets.back()->set_texture(bulletTexture);
bullets.push_back(new Bullet(mPosX, mPosY, degrees+5, SHIP_PROPULSION));
bullets.back()->set_texture(bulletTexture);
bullets.push_back(new Bullet(mPosX, mPosY, degrees-5, SHIP_PROPULSION));
bullets.back()->set_texture(bulletTexture);
fire = false;
if(charge < 50) charge += 2;
}
else if(upgrade_level == 2)
{
double tempx = mPosX;
double tempy = mPosY;
while((tempx > -1 && tempx < screenRect.w) &&
(tempy > -1 && tempy < screenRect.h) && fire)
{
bullets.push_back(new Bullet(tempx, tempy, degrees, SHIP_PROPULSION*(1.25)));
bullets.back()->set_texture(blue_laser_bullet);
tempx += cos((degrees) /(180.0 / M_PI)) * 10.0;
tempy += sin((degrees) /(180.0 / M_PI)) * 10.0;
if((int)bullets.size() > 250)
{
fire = false;
}
}
if(charge < 50) charge += 3;
}
else if(upgrade_level == 3)
{
double tempx = mPosX;
double tempy = mPosY;
double xVar = cos((degrees) /(180.0 / M_PI)) * 15.0;
double yVar = sin((degrees) /(180.0 / M_PI)) * 15.0;
bullets.push_back(new Bullet(tempx, tempy, degrees, SHIP_PROPULSION));
bullets.back()->set_texture(bulletTexture);
tempx += xVar;
tempy += yVar;
bullets.push_back(new Bullet(tempx, tempy, degrees, SHIP_PROPULSION));
bullets.back()->set_texture(bulletTexture);
tempx += xVar;
tempy += yVar;
bullets.push_back(new Bullet(tempx, tempy, degrees, SHIP_PROPULSION));
bullets.back()->set_texture(bulletTexture);
tempx -= xVar;
tempy -= yVar;
xVar = cos((degrees + 90) /(180.0 / M_PI)) * 15.0;
yVar = sin((degrees + 90) /(180.0 / M_PI)) * 15.0;
tempx += xVar;
tempy += yVar;
bullets.push_back(new Bullet(tempx, tempy, degrees, SHIP_PROPULSION));
bullets.back()->set_texture(bulletTexture);
tempx -= xVar;
tempy -= yVar;
xVar = cos((degrees - 90) /(180.0 / M_PI)) * 15.0;
yVar = sin((degrees - 90) /(180.0 / M_PI)) * 15.0;
tempx += xVar;
tempy += yVar;
bullets.push_back(new Bullet(tempx, tempy, degrees, SHIP_PROPULSION));
bullets.back()->set_texture(bulletTexture);
tempx -= xVar;
tempy -= yVar;
fire = false;
if(charge < 50) charge += 2;
}
}
}
else if(buttons[2])
{
if(fire)
{
Mix_PlayChannel( -1, bullet_sound, 0 );
if(upgrade_level == 0)
{
bullets.push_back(new Bullet(mPosX, mPosY, degrees, SHIP_PROPULSION));
bullets.back()->set_texture(bulletTexture);
fire = false;
}
else if(upgrade_level == 1)
{
bullets.push_back(new Bullet(mPosX, mPosY, degrees, SHIP_PROPULSION));
bullets.back()->set_texture(bulletTexture);
bullets.push_back(new Bullet(mPosX, mPosY, degrees+5, SHIP_PROPULSION));
bullets.back()->set_texture(bulletTexture);
bullets.push_back(new Bullet(mPosX, mPosY, degrees-5, SHIP_PROPULSION));
bullets.back()->set_texture(bulletTexture);
fire = false;
if(charge < 50) charge++;
}
else if(upgrade_level == 2)
{
double tempx = mPosX;
double tempy = mPosY;
while((tempx > -1 && tempx < screenRect.w) &&
(tempy > -1 && tempy < screenRect.h) && fire)
{
bullets.push_back(new Bullet(tempx, tempy, degrees, SHIP_PROPULSION*(1.25)));
bullets.back()->set_texture(blue_laser_bullet);
tempx += cos((degrees) /(180.0 / M_PI)) * 10.0;
tempy += sin((degrees) /(180.0 / M_PI)) * 10.0;
if((int)bullets.size() > 150)
{
fire = false;
}
}
if(charge < 50) charge += 3;
}
else if(upgrade_level == 3)
{
double tempx = mPosX;
double tempy = mPosY;
double xVar = cos((degrees) /(180.0 / M_PI)) * 15.0;
double yVar = sin((degrees) /(180.0 / M_PI)) * 15.0;
bullets.push_back(new Bullet(tempx, tempy, degrees, SHIP_PROPULSION));
bullets.back()->set_texture(bulletTexture);
tempx += xVar;
tempy += yVar;
bullets.push_back(new Bullet(tempx, tempy, degrees, SHIP_PROPULSION));
bullets.back()->set_texture(bulletTexture);
tempx += xVar;
tempy += yVar;
bullets.push_back(new Bullet(tempx, tempy, degrees, SHIP_PROPULSION));
bullets.back()->set_texture(bulletTexture);
tempx -= xVar;
tempy -= yVar;
xVar = cos((degrees + 90) /(180.0 / M_PI)) * 15.0;
yVar = sin((degrees + 90) /(180.0 / M_PI)) * 15.0;
tempx += xVar;
tempy += yVar;
bullets.push_back(new Bullet(tempx, tempy, degrees, SHIP_PROPULSION));
bullets.back()->set_texture(bulletTexture);
tempx -= xVar;
tempy -= yVar;
xVar = cos((degrees - 90) /(180.0 / M_PI)) * 15.0;
yVar = sin((degrees - 90) /(180.0 / M_PI)) * 15.0;
tempx += xVar;
tempy += yVar;
bullets.push_back(new Bullet(tempx, tempy, degrees, SHIP_PROPULSION));
bullets.back()->set_texture(bulletTexture);
tempx -= xVar;
tempy -= yVar;
fire = false;
if(charge < 50) charge += 2;
}
}
}
else if(buttons[3])
{
degrees += 5;
if(degrees >= 360) degrees -= 360;
}
else if(buttons[1])
{
degrees -= 5;
if(degrees < 0) degrees += 360;
}
if(buttons[0])
{
SHIP_PROPULSION -= 0.05;
if(SHIP_PROPULSION < 0) SHIP_PROPULSION = 0;
if(upgrade_level == 1)
{
if(charge > 0)
{
Mix_PlayChannel( -1, bullet_sound, 0 );
bullets.push_back(new Bullet(mPosX, mPosY, degrees, 1));
bullets.back()->set_texture(blue_laser_bullet);
charge--;
}
}
else if(upgrade_level == 2)
{
if(charge > 49)
{
Mix_PlayChannel( -1, bullet_sound, 0 );
int temp_degrees = degrees;
while(temp_degrees < degrees + 360)
{
bullets.push_back(new Bullet(mPosX, mPosY, temp_degrees, 1));
bullets.back()->set_texture(bulletTexture);
temp_degrees+=10;
}
charge = 0;
}
}
}
}
int Ship::move(std::vector<Rock*>& rocks)
{
//Move the ship left or right
mVelX = cos((degrees) /(180.0 / M_PI)) * SHIP_VEL;
mVelY = sin((degrees) /(180.0 / M_PI)) * SHIP_VEL;
double xVar = mVelX * SHIP_PROPULSION;
double yVar = mVelY * SHIP_PROPULSION;
mPosX += xVar; mPosY += yVar;
if(mPosX < 0) {
mPosX = screenRect.w;
}
if(( mPosX > screenRect.w )) {
mPosX = 0;
}
if( mPosY < 0 ){
mPosY = screenRect.h;
}
if ( mPosY > screenRect.h ){
mPosY = 0;
}
SHIP_PROPULSION -= 0.002;
if(SHIP_PROPULSION < 0.1) SHIP_PROPULSION = 0.14;
int col = collide(rocks);
return col;
}
void Ship::render()
{
//Show the ship
if(SHIP_PROPULSION < 0.1) {
textures[0]->render( mPosX, mPosY, NULL, degrees, NULL, SDL_FLIP_NONE );
}
else if(SHIP_PROPULSION < 0.2){
textures[1]->render( mPosX, mPosY, NULL, degrees, NULL, SDL_FLIP_NONE );
}
else
{
if(jet < 10)
{
textures[3]->render( mPosX, mPosY, NULL, degrees, NULL, SDL_FLIP_NONE );
jet++;
}
else
{
textures[2]->render( mPosX, mPosY, NULL, degrees, NULL, SDL_FLIP_NONE );
jet = 0;
}
}
}
void Ship::clear_bullets()
{
for(int i = (int)bullets.size() - 1; i >= 0; i--)
{
delete bullets[i];
bullets.erase(bullets.begin() + i);
}
}
int Ship::collide(std::vector<Rock*>& rocks)
{
//if int is -1 after loop, no collision
int no_collision = -1;
for(int i = 0; i < (int)rocks.size(); i++)
{
if(rocks[i]->size != 11)
{
if(mPosX <= rocks[i]->mPosX + rocks[i]->size*2.5
&& mPosX + SHIP_WIDTH*(2.0/3.0) >= rocks[i]->mPosX)
{
if(mPosY <= rocks[i]->mPosY + rocks[i]->size*2.5
&& mPosY + SHIP_HEIGHT*(2.0/3.0) >= rocks[i]->mPosY)
{
return -2;
}
}
}
else
{
if(mPosX <= rocks[i]->mPosX + rocks[i]->size*1.8
&& mPosX + SHIP_WIDTH*(2.0/3.0) >= rocks[i]->mPosX)
{
if(mPosY <= rocks[i]->mPosY + rocks[i]->size*1.8
&& mPosY + SHIP_HEIGHT*(2.0/3.0) >= rocks[i]->mPosY)
{
return i;
}
}
}
}
return no_collision;
}
#endif