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#include <SDL/SDL_gfxPrimitives.h>
#include "constants.h"
#include "sfcave_game.h"
#include "random.h"
SFCaveGame :: SFCaveGame( SFCave *p, int w, int h, int diff )
: Game( p, w, h, diff )
{
gameName = "SFCave";
difficulty = MENU_DIFFICULTY_EASY;
blockUpdateRate = 200;
terrain = new Terrain( w, h );
player = new Player( w, h );
highScore = 0;
}
SFCaveGame :: ~SFCaveGame()
{
}
void SFCaveGame :: init()
{
blockDistance = 50;
blockHeight = 80;
blockWidth = 20;
switch( difficulty )
{
case MENU_DIFFICULTY_EASY:
blockDistance = 50;
break;
case MENU_DIFFICULTY_NORMAL:
blockDistance = 40;
break;
case MENU_DIFFICULTY_HARD:
blockDistance = 30;
break;
case MENU_DIFFICULTY_CUSTOM:
{
// Read custom difficulty settings for this game
blockDistance = parent->loadIntSetting( "SFCave_custom_blockdistance", 50 );
double thrust = parent->loadDoubleSetting( "SFCave_custom_player_thrust", 0.4 );
double gravity = parent->loadDoubleSetting( "SFCave_custom_player_gravity", 0.6 );
double maxUp = parent->loadDoubleSetting( "SFCave_custom_player_maxupspeed", 4.0 );
double maxDown = parent->loadDoubleSetting( "SFCave_custom_player_maxdownspeed", 5.0 );
player->setMovementInfo( thrust, gravity, maxUp, maxDown );
break;
}
}
for ( int i = 0 ; i < BLOCKSIZE ; ++i )
blocks[i].y( -1 );
Game :: init();
}
void SFCaveGame :: update( int state )
{
Game::update( state );
if ( state == STATE_PLAYING )
{
if ( nrFrames % 3 == 0 )
score ++;
if ( nrFrames % 200 == 0 )
{
if ( terrain->getMaxHeight() < sHeight - 100 )
{
terrain->increaseMaxHeight( 10 );
// Reduce block height
if ( terrain->getMaxHeight() > sHeight - 150 )
blockHeight -= 5;
}
}
if ( checkCollisions() )
{
parent->changeState( STATE_CRASHING );
return;
}
if ( nrFrames % blockDistance == 0 )
addBlock();
// Game logic goes here
terrain->moveTerrain( 5 );
moveBlocks( 5 );
player->move( press );
}
}
void SFCaveGame :: draw( SDL_Surface *screen )
{
Game::preDraw( screen );
if ( parent->getState() == STATE_PLAYING )
{
// Screen drawing goes here
terrain->drawTerrain( screen );
player->draw( screen );
drawBlocks( screen );
}
else
{
// Screen drawing goes here
terrain->drawTerrain( screen );
drawBlocks( screen );
player->draw( screen );
}
Game::draw( screen );
}
void SFCaveGame :: addBlock()
{
for ( int i = 0 ; i < BLOCKSIZE ; ++i )
{
if ( blocks[i].y() == -1 )
{
int x = sWidth;
int y = terrain->getMapTop( MAPSIZE-1 ) + (int)(nextInt(terrain->getMapBottom( MAPSIZE-1 ) - terrain->getMapTop( MAPSIZE-1 ) - blockHeight));
blocks[i].setRect( x, y, blockWidth, blockHeight );
break;
}
}
}
void SFCaveGame :: moveBlocks( int amountToMove )
{
for ( int i = 0 ; i < BLOCKSIZE ; ++i )
{
if ( blocks[i].y() != -1 )
{
blocks[i].moveBy( -amountToMove, 0 );
if ( blocks[i].x() + blocks[i].y() < 0 )
blocks[i].y( -1 );
}
}
}
void SFCaveGame :: drawBlocks( SDL_Surface *screen )
{
for ( int i = 0 ; i < BLOCKSIZE ; ++i )
{
if ( blocks[i].y() != -1 )
{
SDL_Rect r = blocks[i].getRect();
SDL_FillRect( screen, &r, SDL_MapRGB( screen->format, 100, 100, 255 ) );
}
}
}
bool SFCaveGame :: checkCollisions()
{
// Check collisions with blocks
for ( int i = 0 ; i < BLOCKSIZE ; ++i )
{
if ( blocks[i].y() != -1 )
{
if ( blocks[i].intersects( player->getPos() ) )
return true;
}
}
// Check collision with landscape
return terrain->checkCollision( player->getX(), player->getY(), player->getHeight() );
}
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