snake without bug. - Xfire Video
1. Look at video
2. ??????????
3. Profit
Oh btw its pretty ghetto, dont blame my coding style :smiley_303:
1. Look at video
2. ??????????
3. Profit
Oh btw its pretty ghetto, dont blame my coding style :smiley_303:
Code:
void fill( int x, int y, int w, int h, int r, int g, int b, int a )
{
m_pMatSurface->DrawSetColor( r, g, b, a );
m_pMatSurface->DrawFilledRect( x, y, x + w, y + h );
}
bool CheckForHit( int hitx, int hity );
bool bIsVisible = false;
bool bIsActive = false;
bool bReset = false;
#define MAX_X 10
#define MAX_Y 10
#define MIN_X 0 // just for lulz
#define MIN_Y 0
int snake_x = 300;
int snake_y = 200;
int score;
//int MoveType;
#define MOVE_RIGHT 1
#define MOVE_UP 2
#define MOVE_DOWN 3
#define MOVE_LEFT 4
unsigned int timer = 0;
struct BodyPart
{
int x, y;
int MoveType;
int iUpdate;
};
#define MAX_BODY_PARTS (MAX_X * MAX_Y)
BodyPart Parts[MAX_BODY_PARTS];
BodyPart Head;
int food_x = 0, food_y = 0;
int current_body_parts;
bool bInited = false;
void ResetFood()
{
srand( (unsigned int)GetTickCount() );
food_x = rand() % MAX_X;
food_y = rand() % MAX_Y;
if( CheckForHit( food_x, food_y ) ) // this could lead to some problems
ResetFood();
}
void Reset()
{
bIsActive = false;
current_body_parts = 5;
Head.x = current_body_parts;
Head.y = 0;
Head.MoveType = MOVE_RIGHT;
for( int i = 0; i < MAX_BODY_PARTS; i++ )
{
Parts[i].x = current_body_parts - i - 1; // :>
Parts[i].y = 0;
Parts[i].MoveType = MOVE_RIGHT;
}
ResetFood();
score = 0;
}
bool CheckRange( BodyPart Part, int x, int y )
{
for( int j = -1; j <= 1; j++ )
for( int i = -1; i <= 1; i++ )
if( Part.x == x + j && Part.y == y + i )
return true;
}
bool CheckForHit( int hitx, int hity )
{
for( int i = 0; i < current_body_parts; i++ )
{
if( Parts[i].x == hitx && Parts[i].y == hity )
return true;
}
return false;
}
void NewPart()
{
int oldx = Parts[current_body_parts-1].x;
int oldy = Parts[current_body_parts-1].y;
if( Parts[current_body_parts-1].MoveType == MOVE_RIGHT )
--oldx;
else if( Parts[current_body_parts-1].MoveType == MOVE_LEFT )
++oldx;
else if( Parts[current_body_parts-1].MoveType == MOVE_UP )
++oldy;
else if( Parts[current_body_parts-1].MoveType == MOVE_DOWN )
--oldy;
Parts[current_body_parts].x = oldx;
Parts[current_body_parts].y = oldy;
Parts[current_body_parts].MoveType = Parts[current_body_parts-1].MoveType;
current_body_parts++;
}
void Snake()
{
if( GetAsyncKeyState( VK_INSERT ) & 1 )
bIsVisible = !bIsVisible;
if( GetAsyncKeyState( VK_END ) & 1 )
bIsActive = !bIsActive;
if( bIsVisible == false )
return;
if( GetAsyncKeyState( VK_DELETE ) & 1 || bReset )
if( bReset )
{
bReset = false;
Reset();
}
else
Reset();
if( !bInited )
{
Reset();
bInited = true;
}
stringstream Score;
Score << "Your Score: " << score;
gUtils.DrawString( gUtils.fBig, Score.str(), snake_x, snake_y - 20, false, 255, 255, 255 );
fill( snake_x, snake_y, (MAX_X + 1) * 20, (MAX_Y + 1) * 20, 255, 255, 255, 200 );
int y = 0, x = 0;
for( int i = 0; i < MAX_X+1; i++ )
{
fill( snake_x, snake_y+y, (MAX_X + 1) * 20, 1, 0, 0, 0, 255 );
y += 20;
}
for( int i = 0; i < MAX_Y+1; i++ )
{
fill( snake_x+x, snake_y, 1, (MAX_Y + 1) * 20, 0, 0, 0, 255 );
x += 20;
}
fill( snake_x + Head.x * 20, snake_y + Head.y * 20, 20, 20, 255, 0, 0, 255 );
for( int i = 0; i < current_body_parts; i++ )
{
int x = Parts[i].x;
int y = Parts[i].y;
fill( snake_x + x * 20, snake_y + y * 20, 20, 20, 0, 255, 0, 255 );
}
fill( snake_x + food_x * 20, snake_y + food_y * 20, 20, 20, 0, 0, 255, 255 );
if( bIsActive == false )
return;
const unsigned long TickCount = GetTickCount();
if( GetAsyncKeyState( VK_UP ) && Head.y - 1 != Parts[0].y )
Head.MoveType = MOVE_UP;
if( GetAsyncKeyState( VK_LEFT ) && Head.x - 1 != Parts[0].x )
Head.MoveType = MOVE_LEFT;
if( GetAsyncKeyState( VK_RIGHT ) && Head.x + 1 != Parts[0].x )
Head.MoveType = MOVE_RIGHT;
if( GetAsyncKeyState( VK_DOWN ) && Head.y + 1 != Parts[0].y )
Head.MoveType = MOVE_DOWN;
if( timer + 150 < TickCount )
{
switch( Head.MoveType )
{
case MOVE_RIGHT:
Head.x++;
if( Head.x > MAX_X )
bReset = true;
break;
case MOVE_LEFT:
Head.x--;
if( Head.x < MIN_X )
bReset = true;
break;
case MOVE_DOWN:
Head.y++;
if( Head.y > MAX_Y )
bReset = true;
break;
case MOVE_UP:
Head.y--;
if( Head.y < MIN_Y )
bReset = true;
break;
}
if( CheckForHit( Head.x, Head.y ) )
Reset();
if( Head.x == food_x && Head.y == food_y )
{
score += 20; // MOST IMPORTANT STUFF BOIII
ResetFood();
NewPart();
}
for( int i = 0; i < current_body_parts; i++ )
{
if( Parts[i].iUpdate > 0 ) {
Parts[i].MoveType = Parts[i].iUpdate;
Parts[i].iUpdate = 0;
}
switch( Parts[i].MoveType )
{
case MOVE_RIGHT:
Parts[i].x++;
if( i == 0 )
{
if( Head.y > Parts[0].y ) // Head has moved down
Parts[0].iUpdate = MOVE_DOWN;
if( Head.y < Parts[0].y ) // Head has moved up
Parts[0].iUpdate = MOVE_UP;
}
else
{
if( Parts[i-1].y > Parts[i].y )
Parts[i].iUpdate = MOVE_DOWN;
if( Parts[i-1].y < Parts[i].y )
Parts[i].iUpdate = MOVE_UP;
}
break;
case MOVE_LEFT:
Parts[i].x--;
if( i == 0 )
{
if( Head.y > Parts[0].y ) // Head has moved down
Parts[0].iUpdate = MOVE_DOWN;
if( Head.y < Parts[0].y ) // Head has moved up
Parts[0].iUpdate = MOVE_UP;
}
else
{
if( Parts[i-1].y > Parts[i].y )
Parts[i].iUpdate = MOVE_DOWN;
if( Parts[i-1].y < Parts[i].y )
Parts[i].iUpdate = MOVE_UP;
}
break;
case MOVE_DOWN:
Parts[i].y++;
if( i == 0 )
{
if( Head.x > Parts[0].x ) // Head has moved right
Parts[0].iUpdate = MOVE_RIGHT;
if( Head.x < Parts[0].x ) // Head has moved left
Parts[0].iUpdate = MOVE_LEFT;
}
else
{
if( Parts[i-1].x > Parts[i].x )
Parts[i].iUpdate = MOVE_RIGHT;
if( Parts[i-1].x < Parts[i].x )
Parts[i].iUpdate = MOVE_LEFT;
}
break;
case MOVE_UP:
Parts[i].y--;
if( i == 0 )
{
if( Head.x > Parts[0].x ) // Head has moved right
Parts[0].iUpdate = MOVE_RIGHT;
if( Head.x < Parts[0].x ) // Head has moved left
Parts[0].iUpdate = MOVE_LEFT;
}
else
{
if( Parts[i-1].x > Parts[i].x )
Parts[i].iUpdate = MOVE_RIGHT;
if( Parts[i-1].x < Parts[i].x )
Parts[i].iUpdate = MOVE_LEFT;
}
break;
}
}
timer = TickCount;
}
}
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