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tetris.ino
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/*
Ported to use LedControll 2015 AnneJan IJhack
Author: Jae Yeong Bae
UBC ECE
jocker.tistory.com
Date: Jan.18.2013
File: Tetris
Purpose:
killing time.. + for fun
Comment:
This is my second Arduino Project.
Code may be messy and inefficient.
References from Arduino Library and datasheets.
*/
#include "LedControl.h"
long delays = 0;
short delay_ = 500;
long bdelay = 0;
short buttondelay = 150;
short btdowndelay = 30;
short btsidedelay = 80;
unsigned char blocktype;
unsigned char blockrotation;
boolean block[8][18]; //2 extra for rotation
boolean pile[8][16];
boolean disp[8][16];
static const int DATA_PIN = 20;
static const int CLK_PIN = 5;
static const int CS_PIN = 21;
static const int DISPLAYS = 2;
static const int X_PIN = 4;
static const int Y_PIN = 5;
LedControl lc=LedControl(DATA_PIN, CLK_PIN, CS_PIN, DISPLAYS);
void setup() {
Serial.begin(9600);
Serial.println("Booted Tetris");
// pinMode(A7, INPUT);
// pinMode(A6, INPUT);
int seed =
(analogRead(0)+1)*
(analogRead(1)+1)*
(analogRead(2)+1)*
(analogRead(3)+1);
randomSeed(seed);
random(10,9610806);
seed = seed *random(3336,15679912)+analogRead(random(4)) ;
randomSeed(seed);
random(10,98046);
// The MAX72XX is in power-saving mode on startup,
// we have to do a wakeup call
lc.shutdown(0, false);
lc.shutdown(1, false);
// Set the brightness
lc.setIntensity(0, 15);
lc.setIntensity(1, 15);
// and clear the display
lc.clearDisplay(0);
lc.clearDisplay(1);
newBlock();
updateLED();
}
void loop() {
if (delays < millis())
{
delays = millis() + delay_;
movedown();
}
//buttun actions
int button = readDirection();
if (button == 1) //up=rotate
rotate();
if (button == 2) //right=moveright
moveright();
if (button == 3) //left=moveleft
moveleft();
if (button == 4) //down=movedown
movedown();
Serial.print(analogRead(X_PIN));
Serial.print("|");
Serial.println(analogRead(Y_PIN));
LEDRefresh();
}
boolean moveleft()
{
if (space_left())
{
int i;
int j;
for (i=0;i<7;i++)
{
for (j=0;j<16;j++)
{
block[i][j]=block[i+1][j];
}
}
for (j=0;j<16;j++)
{
block[7][j]=0;
}
updateLED();
return 1;
}
return 0;
}
boolean moveright()
{
if (space_right())
{
int i;
int j;
for (i=7;i>0;i--)
{
for (j=0;j<16;j++)
{
block[i][j]=block[i-1][j];
}
}
for (j=0;j<16;j++)
{
block[0][j]=0;
}
updateLED();
return 1;
}
return 0;
}
int readDirection()
{
if (bdelay > millis())
{
return 0;
}
if (analogRead(X_PIN) > 750)
{
//left
bdelay = millis() + btsidedelay;
return 3;
}
if (analogRead(Y_PIN) > 750)
{
//down
bdelay = millis() + btdowndelay;
return 4;
}
if (analogRead(X_PIN) < 225)
{
//right
bdelay = millis() + btsidedelay;
return 2;
}
if (analogRead(Y_PIN) < 225)
{
//up
bdelay = millis() + buttondelay;
return 1;
}
return 0;
}
void updateLED()
{
int i;
int j;
for (i=0;i<8;i++)
{
for (j=0;j<16;j++)
{
disp[i][j] = block[i][j] | pile[i][j];
}
}
}
void rotate()
{
//skip for square block(3)
if (blocktype == 3) return;
int xi;
int yi;
int i;
int j;
//detect left
for (i=7;i>=0;i--)
{
for (j=0;j<16;j++)
{
if (block[i][j])
{
xi = i;
}
}
}
//detect up
for (i=15;i>=0;i--)
{
for (j=0;j<8;j++)
{
if (block[j][i])
{
yi = i;
}
}
}
if (blocktype == 0)
{
if (blockrotation == 0)
{
if (!space_left())
{
if (space_right3())
{
if (!moveright())
return;
xi++;
}
else return;
}
else if (!space_right())
{
if (space_left3())
{
if (!moveleft())
return;
if (!moveleft())
return;
xi--;
xi--;
}
else
return;
}
else if (!space_right2())
{
if (space_left2())
{
if (!moveleft())
return;
xi--;
}
else
return;
}
block[xi][yi]=0;
block[xi][yi+2]=0;
block[xi][yi+3]=0;
block[xi-1][yi+1]=1;
block[xi+1][yi+1]=1;
block[xi+2][yi+1]=1;
blockrotation = 1;
}
else
{
block[xi][yi]=0;
block[xi+2][yi]=0;
block[xi+3][yi]=0;
block[xi+1][yi-1]=1;
block[xi+1][yi+1]=1;
block[xi+1][yi+2]=1;
blockrotation = 0;
}
}
//offset to mid
xi ++;
yi ++;
if (blocktype == 1)
{
if (blockrotation == 0)
{
block[xi-1][yi-1] = 0;
block[xi-1][yi] = 0;
block[xi+1][yi] = 0;
block[xi][yi-1] = 1;
block[xi+1][yi-1] = 1;
block[xi][yi+1] = 1;
blockrotation = 1;
}
else if (blockrotation == 1)
{
if (!space_left())
{
if (!moveright())
return;
xi++;
}
xi--;
block[xi][yi-1] = 0;
block[xi+1][yi-1] = 0;
block[xi][yi+1] = 0;
block[xi-1][yi] = 1;
block[xi+1][yi] = 1;
block[xi+1][yi+1] = 1;
blockrotation = 2;
}
else if (blockrotation == 2)
{
yi --;
block[xi-1][yi] = 0;
block[xi+1][yi] = 0;
block[xi+1][yi+1] = 0;
block[xi][yi-1] = 1;
block[xi][yi+1] = 1;
block[xi-1][yi+1] = 1;
blockrotation = 3;
}
else
{
if (!space_right())
{
if (!moveleft())
return;
xi--;
}
block[xi][yi-1] = 0;
block[xi][yi+1] = 0;
block[xi-1][yi+1] = 0;
block[xi-1][yi-1] = 1;
block[xi-1][yi] = 1;
block[xi+1][yi] = 1;
blockrotation = 0;
}
}
if (blocktype == 2)
{
if (blockrotation == 0)
{
block[xi+1][yi-1] = 0;
block[xi-1][yi] = 0;
block[xi+1][yi] = 0;
block[xi][yi-1] = 1;
block[xi+1][yi+1] = 1;
block[xi][yi+1] = 1;
blockrotation = 1;
}
else if (blockrotation == 1)
{
if (!space_left())
{
if (!moveright())
return;
xi++;
}
xi--;
block[xi][yi-1] = 0;
block[xi+1][yi+1] = 0;
block[xi][yi+1] = 0;
block[xi-1][yi] = 1;
block[xi+1][yi] = 1;
block[xi-1][yi+1] = 1;
blockrotation = 2;
}
else if (blockrotation == 2)
{
yi --;
block[xi-1][yi] = 0;
block[xi+1][yi] = 0;
block[xi-1][yi+1] = 0;
block[xi][yi-1] = 1;
block[xi][yi+1] = 1;
block[xi-1][yi-1] = 1;
blockrotation = 3;
}
else
{
if (!space_right())
{
if (!moveleft())
return;
xi--;
}
block[xi][yi-1] = 0;
block[xi][yi+1] = 0;
block[xi-1][yi-1] = 0;
block[xi+1][yi-1] = 1;
block[xi-1][yi] = 1;
block[xi+1][yi] = 1;
blockrotation = 0;
}
}
if (blocktype == 4)
{
if (blockrotation == 0)
{
block[xi+1][yi-1] = 0;
block[xi-1][yi] = 0;
block[xi+1][yi] = 1;
block[xi+1][yi+1] = 1;
blockrotation = 1;
}
else
{
if (!space_left())
{
if (!moveright())
return;
xi++;
}
xi--;
block[xi+1][yi] = 0;
block[xi+1][yi+1] = 0;
block[xi-1][yi] = 1;
block[xi+1][yi-1] = 1;
blockrotation = 0;
}
}
if (blocktype == 5)
{
if (blockrotation == 0)
{
block[xi][yi-1] = 0;
block[xi-1][yi] = 0;
block[xi+1][yi] = 0;
block[xi][yi-1] = 1;
block[xi+1][yi] = 1;
block[xi][yi+1] = 1;
blockrotation = 1;
}
else if (blockrotation == 1)
{
if (!space_left())
{
if (!moveright())
return;
xi++;
}
xi--;
block[xi][yi-1] = 0;
block[xi+1][yi] = 0;
block[xi][yi+1] = 0;
block[xi-1][yi] = 1;
block[xi+1][yi] = 1;
block[xi][yi+1] = 1;
blockrotation = 2;
}
else if (blockrotation == 2)
{
yi --;
block[xi-1][yi] = 0;
block[xi+1][yi] = 0;
block[xi][yi+1] = 0;
block[xi][yi-1] = 1;
block[xi-1][yi] = 1;
block[xi][yi+1] = 1;
blockrotation = 3;
}
else
{
if (!space_right())
{
if (!moveleft())
return;
xi--;
}
block[xi][yi-1] = 0;
block[xi-1][yi] = 0;
block[xi][yi+1] = 0;
block[xi][yi-1] = 1;
block[xi-1][yi] = 1;
block[xi+1][yi] = 1;
blockrotation = 0;
}
}
if (blocktype == 6)
{
if (blockrotation == 0)
{
block[xi-1][yi-1] = 0;
block[xi][yi-1] = 0;
block[xi+1][yi-1] = 1;
block[xi][yi+1] = 1;
blockrotation = 1;
}
else
{
if (!space_left())
{
if (!moveright())
return;
xi++;
}
xi--;
block[xi+1][yi-1] = 0;
block[xi][yi+1] = 0;
block[xi-1][yi-1] = 1;
block[xi][yi-1] = 1;
blockrotation = 0;
}
}
//if rotating made block and pile overlap, push rows up
while (!check_overlap())
{
for (i=0;i<18;i++)
{
for (j=0;j<8;j++)
{
block[j][i] = block[j][i+1];
}
}
delays = millis() + delay_;
}
updateLED();
}
void movedown()
{
if (space_below())
{
//move down
int i;
for (i=15;i>=0;i--)
{
int j;
for (j=0;j<8;j++)
{
block[j][i] = block[j][i-1];
}
}
for (i=0;i<7;i++)
{
block[i][0] = 0;
}
}
else
{
//merge and new block
int i;
int j;
for (i=0;i<8;i++)
{
for(j=0;j<16;j++)
{
if (block[i][j])
{
pile[i][j]=1;
block[i][j]=0;
}
}
}
newBlock();
}
updateLED();
}
boolean check_overlap()
{
int i;
int j;
for (i=0;i<16;i++)
{
for (j=0;j<7;j++)
{
if (block[j][i])
{
if (pile[j][i])
return false;
}
}
}
for (i=16;i<18;i++)
{
for (j=0;j<7;j++)
{
if (block[j][i])
{
return false;
}
}
}
return true;
}
void check_gameover()
{
int i;
int j;
int cnt=0;;
for(i=15;i>=0;i--)
{
cnt=0;
for (j=0;j<8;j++)
{
if (pile[j][i])
{
cnt ++;
}
}
if (cnt == 8)
{
for (j=0;j<8;j++)
{
pile[j][i]=0;
}
updateLED();
delay(50);
int k;
for(k=i;k>0;k--)
{
for (j=0;j<8;j++)
{
pile[j][k] = pile[j][k-1];
}
}
for (j=0;j<8;j++)
{
pile[j][0] = 0;
}
updateLED();
delay(50);
i++;
}
}
for(i=0;i<8;i++)
{
if (pile[i][0])
gameover();
}
return;
}
void gameover()
{
int i;
int j;
for (i=0;i<8;i++)
{
for (j=0;j<16;j++)
{
if (j%2)
{
disp[i][j]=1;
}
else
{
disp[7-i][j]=1;
}
}
delay(60);
}
for (i=0;i<8;i++)
{
for (j=0;j<16;j++)
{
if (j%2)
{
disp[i][j]=0;
}
else
{
disp[7-i][j]=0;
}
}
delay(60);
}
while(true)
{
}
}
void newBlock()
{
check_gameover();
blocktype = random(7);
if (blocktype == 0)
// 0
// 0
// 0
// 0
{
block[3][0]=1;
block[3][1]=1;
block[3][2]=1;
block[3][3]=1;
}
if (blocktype == 1)
// 0
// 0 0 0
{
block[2][0]=1;
block[2][1]=1;
block[3][1]=1;
block[4][1]=1;
}
if (blocktype == 2)
// 0
// 0 0 0
{
block[4][0]=1;
block[2][1]=1;
block[3][1]=1;
block[4][1]=1;
}
if (blocktype == 3)
// 0 0
// 0 0
{
block[3][0]=1;
block[3][1]=1;
block[4][0]=1;
block[4][1]=1;
}
if (blocktype == 4)
// 0 0
// 0 0
{
block[4][0]=1;
block[5][0]=1;
block[3][1]=1;
block[4][1]=1;
}
if (blocktype == 5)
// 0
// 0 0 0
{
block[4][0]=1;
block[3][1]=1;
block[4][1]=1;
block[5][1]=1;
}
if (blocktype == 6)
// 0 0
// 0 0
{
block[3][0]=1;
block[4][0]=1;
block[4][1]=1;
block[5][1]=1;
}
blockrotation = 0;
}
boolean space_below()
{
int i;
int j;
for (i=15;i>=0;i--)
{
for (j=0;j<8;j++)
{
if (block[j][i])
{
if (i == 15)
return false;
if (pile[j][i+1])
{
return false;
}
}
}
}
return true;
}
boolean space_left2()
{
int i;
int j;
for (i=15;i>=0;i--)
{
for (j=0;j<8;j++)
{
if (block[j][i])
{
if (j == 0 || j == 1)
return false;
if (pile[j-1][i] | pile[j-2][i])
{
return false;
}
}
}
}
return true;
}
boolean space_left3()
{
int i;
int j;
for (i=15;i>=0;i--)
{
for (j=0;j<8;j++)
{
if (block[j][i])
{
if (j == 0 || j == 1 ||j == 2 )
return false;
if (pile[j-1][i] | pile[j-2][i]|pile[j-3][i])
{
return false;
}
}
}
}
return true;
}
boolean space_left()
{
int i;
int j;
for (i=15;i>=0;i--)
{
for (j=0;j<8;j++)
{
if (block[j][i])
{
if (j == 0)
return false;
if (pile[j-1][i])
{
return false;
}
}
}
}
return true;
}
boolean space_right()
{
int i;
int j;
for (i=15;i>=0;i--)
{
for (j=0;j<8;j++)
{
if (block[j][i])
{
if (j == 7)
return false;
if (pile[j+1][i])
{
return false;
}
}
}
}
return true;
}
boolean space_right3()
{
int i;
int j;
for (i=15;i>=0;i--)
{
for (j=0;j<8;j++)
{
if (block[j][i])
{
if (j == 7||j == 6||j == 5)
return false;
if (pile[j+1][i] |pile[j+2][i] | pile[j+3][i])
{
return false;
}
}
}
}
return true;
}
boolean space_right2()
{
int i;
int j;
for (i=15;i>=0;i--)
{