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#include <SDL/SDL.h>
#include <SDL/SDL_gfxPrimitives.h>
#include "constants.h"
#include "player.h"
#include "random.h"
#include "animatedimage.h"
Player :: Player( int w, int h )
{
sWidth = w;
sHeight = h;
thrust = 0.4;
gravity = 0.6;
maxUpSpeed = 4.0;
maxDownSpeed = 5.0;
explosion = new AnimatedImage( IMAGES_PATH "explosion.bmp", 15 );
init();
}
Player :: ~Player()
{
if ( explosion )
delete explosion;
}
void Player :: init()
{
// Set player position
pos.x( 50 );
pos.y( sWidth/2 );
pos.h( 2 );
pos.w( 4 );
currentThrust = 0;
crashing = false;
crashLineLength = 0;
crashed = false;
explosion->reset();
allFaded = false;
expNextFrame = false;
// Reset Trail
for ( int i = 0 ; i < TRAILSIZE ; ++i )
{
trail[i].x( -1 );
trail[i].y( 0 );
trail[i].w( 2 );
trail[i].h( 2 );
}
}
void Player :: draw( SDL_Surface *screen )
{
if ( !crashing )
{
// Draw Player
// ellipseRGBA( screen, pos.x(), pos.y(), pos.x()+ pos.width(), pos.y()+pos.height(), 0, 255, 255, 255 );
filledEllipseRGBA( screen, pos.x() + pos.w(), pos.y(), pos.w(), pos.h(), 0, 255, 255, 255 );
// Draw Trail
drawTrails( screen );
}
else
{
drawTrails( screen );
if ( !crashed )
explosion->draw( screen, pos.x(), pos.y() );
}
}
void Player :: drawTrails( SDL_Surface *screen )
{
if ( allFaded && crashing )
return;
for ( int i = 0 ; i < TRAILSIZE ; ++i )
{
if ( trail[i].x() >= 0 )
{
int c = (int)((150.0/50) * (50.0 - (pos.x() - trail[i].x() ) ));
boxRGBA( screen, trail[i].x(), trail[i].y(), trail[i].x() + 2, trail[i].y() + 2, 255, (int)(1.5*c), 0, c );
}
}
}
void Player :: move( bool up )
{
// Find enpty trail and move others
moveTrails();
if ( up )
currentThrust -= thrust;
else
currentThrust += gravity;
if ( currentThrust > maxDownSpeed )
currentThrust = maxDownSpeed;
else if ( currentThrust < -maxUpSpeed )
currentThrust = -maxUpSpeed;
pos.moveBy( 0, (int)(currentThrust) );
}
void Player :: moveTrails()
{
bool done = false;
bool stillVisible = false;
// Dont do anything here if all faded when were crashing
if ( allFaded && crashing )
return;
for ( int i = 0 ; i < TRAILSIZE ; ++i )
{
if ( trail[i].x() < 0 )
{
stillVisible = true;
if ( !crashing && !done )
{
trail[i].x( pos.x() - 5 );
trail[i].y( pos.y() );
done = true;
}
}
else
trail[i].x( trail[i].x() - 1 );
}
if ( !stillVisible )
allFaded = true;
}
bool Player :: updateCrashing()
{
crashing = true;
moveTrails();
if ( expNextFrame )
{
expNextFrame = false;
crashed = !explosion->nextFrame();
}
else
expNextFrame = true;
return crashed;
}
void Player :: setMovementInfo( double up, double grav, double maxUp, double maxDown )
{
thrust = up;
gravity = grav;
maxUpSpeed = maxUp;
maxDownSpeed = maxDown;
}
void Player :: incValue( int valueType )
{
switch( valueType )
{
case PLAYER_THRUST:
thrust += 0.1;
break;
case PLAYER_GRAVITY:
gravity += 0.1;
break;
case PLAYER_MAX_SPEED_UP:
maxUpSpeed += 0.1;
break;
case PLAYER_MAX_SPEED_DOWN:
maxDownSpeed += 0.1;
break;
}
}
void Player :: decValue( int valueType )
{
switch( valueType )
{
case PLAYER_THRUST:
thrust -= 0.1;
break;
case PLAYER_GRAVITY:
gravity -= 0.1;
break;
case PLAYER_MAX_SPEED_UP:
maxUpSpeed -= 0.1;
break;
case PLAYER_MAX_SPEED_DOWN:
maxDownSpeed -= 0.1;
break;
}
}
void Player :: setValue( int valueType, double val )
{
switch( valueType )
{
case PLAYER_THRUST:
thrust = val;
break;
case PLAYER_GRAVITY:
gravity = val;
break;
case PLAYER_MAX_SPEED_UP:
maxUpSpeed = val;
break;
case PLAYER_MAX_SPEED_DOWN:
maxDownSpeed = val;
break;
}
}
double Player :: getValue( int valueType )
{
double val;
switch( valueType )
{
case PLAYER_THRUST:
val = thrust;
break;
case PLAYER_GRAVITY:
val = gravity;
break;
case PLAYER_MAX_SPEED_UP:
val = maxUpSpeed;
break;
case PLAYER_MAX_SPEED_DOWN:
val = maxDownSpeed;
break;
}
return val;
}
string Player :: getValueTypeString( int valueType )
{
string val;
switch( valueType )
{
case PLAYER_THRUST:
val = "thrust";
break;
case PLAYER_GRAVITY:
val = "gravity";
break;
case PLAYER_MAX_SPEED_UP:
val = "maxupspeed";
break;
case PLAYER_MAX_SPEED_DOWN:
val = "maxdownspeed";
break;
}
return val;
}
string Player :: getValueString( int valueType )
{
char val[50];
switch( valueType )
{
case PLAYER_THRUST:
sprintf( val, "Thrust - %lf", thrust );
break;
case PLAYER_GRAVITY:
sprintf( val, "Gravity - %lf", gravity );
break;
case PLAYER_MAX_SPEED_UP:
sprintf( val, "Max Speed Up - %lf", maxUpSpeed );
break;
case PLAYER_MAX_SPEED_DOWN:
sprintf( val, "Max Speed Down - %lf", maxDownSpeed );
break;
}
string ret = val;
return ret;
}
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