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ripple.c
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ripple.c
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#include <stdio.h>
#include <unistd.h>
#include <string.h>
#include "keyboard.h"
#include "xterm_control.h"
void startRipple();
void Zero(int);
void FortyFive(int);
void Ninety(int);
void OneThirtyFive(int);
void OneEighty(int);
void TwoTwentyFive(int);
void TwoSeventy(int);
void ThreeFifteen(int);
void Setup();
void PutInTerminal();
void ClearBoard();
char Board[23][81];
int RowArr[8];
int ColArr[8];
int Row, Col, Counter;
int mup, mdown, mleft, mright;
char *greeting = "Arrow keys work, F3 starts effect, and F9 terminates...";
void startRipple() {
int Count = 1;
int i, j;
Counter = 0;
mup = 1, mdown = 1, mleft = 1, mright = 1;
for(i = 0; i < 23; i++) {
for(j = 0; j < 80; j++) {
if(Board[i][j] > '0' && Board[i][j] <= '9') {
Row = i;
Col = j;
Counter = Board[i][j] - '0';
}
}
}
if(Counter == 0)
return;
Setup();
PutInTerminal();
ClearBoard();
while(--Counter) {
Zero(Count);
Ninety(Count);
OneEighty(Count);
TwoSeventy(Count);
FortyFive(Count);
OneThirtyFive(Count);
TwoTwentyFive(Count);
ThreeFifteen(Count);
Count++;
PutInTerminal();
ClearBoard();
}
}
void Zero(int Count) {
int endIter = Count *2 + 1, Iter = 0, bcount = -1, flag = 0;
//bcount is the counter for bouncing
//flag marks that the wave has tried going beyond the boundary
if(ColArr[0] != 0)
ColArr[0]--;
else
endIter = Count*2;
if(RowArr[0] == 0 && mup == 1) {
mup = 0;
return;
} else if(mup == 0) {
mup = -1;
} else {
RowArr[0] -= mup;
}
for(Iter = 0; Iter < endIter; Iter++) {
if(ColArr[0] + Iter == 80) {
flag = 1;
}
if(flag) {
bcount += 2;
Board[RowArr[0]][ColArr[0] + Iter - bcount] = '_';
} else {
Board[RowArr[0]][ColArr[0] + Iter] = '_';
}
}
}
void FortyFive(int Count) {
int Iter = 0, hflag = 0, hbcount = -1, vflag = 0, vbcount = -1;
//h for horizontal, v for vertical, b for bounce
char slash = '\\';
if(mright == -1 && ColArr[2] != 79) {
ColArr[1] = ColArr[2] + 1;
slash = '/';
} else if(mright == -1) {
ColArr[1] = ColArr[2];
hbcount = 0;
} else {
ColArr[1] = ColArr[2] - 1;
}
for(Iter = 0; Iter < Count + 1; Iter++) {
if(ColArr[1] - mright*Iter == 80) {
hflag = 1;
slash = '\\';
}
if(RowArr[1] - Iter < 0) {
vflag = 1;
slash = '/';
}
if(hflag) {
hbcount += 2;
Board[RowArr[1] - Iter][ColArr[1] - mright * Iter - hbcount] = slash;
} else if(vflag) {
vbcount += 2;
Board[RowArr[1] - Iter + vbcount][ColArr[1] - mright * Iter] = slash;
} else {
Board[RowArr[1] - Iter][ColArr[1] - mright * Iter] = slash;
}
}
}
void Ninety(int Count) {
if(ColArr[2] == 79 && mright == 1) {
ColArr[2] = 78;
mright = -1;
} else if(ColArr[2] == 78 && mright == 1) {
ColArr[2] = 79;
mright = -1;
} else {
ColArr[2] = ColArr[2] + mright * 2;
}
Board[RowArr[2]][ColArr[2]] = '|';
}
void OneThirtyFive(int Count) {
int Iter = 0, hflag = 0, vflag = 0, hbcount = -1, vbcount = -1;
char slash = '/';
if(mright == -1 && ColArr[2] != 79) {
ColArr[3] = ColArr[2] + 1;
slash = '\\';
} else if(mright == -1) {
ColArr[3] = ColArr[2];
hbcount = 0;
} else {
ColArr[3] = ColArr[2] - 1;
}
for(Iter = 0; Iter < Count + 1; Iter++) {
if(ColArr[3] - mright * Iter == 80 ) {
hflag = 1;
slash = '/';
}
if(RowArr[3] + Iter == 23) {
vflag = 1;
slash = '\\';
}
if(hflag) {
hbcount += 2;
Board[RowArr[3] + Iter][ColArr[3] - mright * Iter - hbcount] = slash;
} else if(vflag) {
vbcount += 2;
Board[RowArr[3] + Iter - vbcount][ColArr[3] - mright * Iter] = slash;
} else {
Board[RowArr[3] + Iter][ColArr[3] - mright * Iter] = slash;
}
}
}
void OneEighty(int Count) {
int endIter = Count *2 + 1, Iter = 0, bcount = -1, flag = 0;
//bcount is the counter for bouncing
//flag marks that the wave has tried going beyond the boundary
if(RowArr[4] == 22 && mdown == 1) {
mdown = -1;
}
RowArr[4] += mdown;
if(ColArr[4] != 0)
ColArr[4]--;
else
endIter = Count*2;
for(Iter = 0; Iter < endIter; Iter++) {
if(ColArr[0] + Iter == 80) {
flag = 1;
}
if(flag) {
bcount += 2;
Board[RowArr[4]][ColArr[4] + Iter - bcount] = '_';
} else {
Board[RowArr[4]][ColArr[4] + Iter] = '_';
}
}
}
void TwoTwentyFive(int Count) {
int Iter = 0, hflag = 0, vflag = 0, hbcount = -1, vbcount = -1;
char slash = '\\';
if(mleft == -1 && ColArr[6] != 0) {
ColArr[5] = ColArr[6] - 1;
slash = '/';
} else if(mleft == -1) {
ColArr[5] = ColArr[6];
hbcount = 0;
} else {
ColArr[5] = ColArr[6] + 1;
}
for(Iter = 0; Iter < Count + 1; Iter++) {
if(ColArr[5] + mleft * Iter == -1) {
hflag = 1;
slash = '\\';
}
if(RowArr[5] + Iter == 23) {
vflag = 1;
slash = '/';
}
if(hflag) {
hbcount += 2;
Board[RowArr[5] + Iter][ColArr[5] + mleft * Iter + hbcount] = slash;
} else if(vflag) {
vbcount += 2;
Board[RowArr[5] + Iter - vbcount][ColArr[5] + mleft *Iter] = slash;
} else {
Board[RowArr[5] + Iter][ColArr[5] + mleft * Iter] = slash;
}
}
}
void TwoSeventy(int Count) {
if(ColArr[6] == 0 && mleft == 1) {
ColArr[6] = 1;
mleft = -1;
} else if(ColArr[6] == 1 && mleft == 1) {
ColArr[6] = 0;
mleft = -1;
} else {
ColArr[6] = ColArr[6] - mleft * 2;
}
Board[RowArr[6]][ColArr[6]] = '|';
}
void ThreeFifteen(int Count) {
int Iter = 0, hflag = 0, vflag = 0, hbcount = -1, vbcount = -1;
char slash = '/';
if(mleft == -1 && ColArr[6] != 0) {
ColArr[7] = ColArr[6] - 1;
slash = '\\';
} else if(mleft == -1) {
ColArr[7] = ColArr[6];
hbcount = 0;
} else {
ColArr[7] = ColArr[6] + 1;
}
for(Iter = 0; Iter < Count + 1; Iter++) {
if(ColArr[7] + mleft * Iter == -1) {
hflag = 1;
slash = '/';
}
if(RowArr[7] - Iter < 0) {
vflag = 1;
slash = '\\';
}
if(hflag) {
hbcount += 2;
Board[RowArr[7] - Iter][ColArr[7] + mleft * Iter + hbcount] = slash;
} else if(vflag) {
vbcount += 2;
Board[RowArr[7] - Iter + vbcount][ColArr[7] + mleft * Iter] = slash;
} else {
Board[RowArr[7] - Iter][ColArr[7] + mleft * Iter] = slash;
}
}
}
void Setup() {
RowArr[0] = Row - 2;
ColArr[0] = Col;
Board[RowArr[0]][ColArr[0]] = '_';
RowArr[1] = Row - 1;
ColArr[1] = Col + 1;
Board[RowArr[1]][ColArr[1]] = '\\';
RowArr[2] = Row;
ColArr[2] = Col + 2;
Board[RowArr[2]][ColArr[2]] = '|';
RowArr[3] = Row + 1;
ColArr[3] = Col + 1;
Board[RowArr[3]][ColArr[3]] = '/';
RowArr[4] = Row + 1;
ColArr[4] = Col;
Board[RowArr[4]][ColArr[4]] = '_';
RowArr[5] = Row + 1;
ColArr[5] = Col - 1;
Board[RowArr[5]][ColArr[5]] = '\\';
RowArr[6] = Row;
ColArr[6] = Col - 2;
Board[RowArr[6]][ColArr[6]] = '|';
RowArr[7] = Row - 1;
ColArr[7] = Col - 1;
Board[RowArr[7]][ColArr[7]] = '/';
}
void PutInTerminal() {
int i, j;
xt_par2(XT_SET_ROW_COL_POS,1,1);
for(i = 0; i < 23; i++) {
//for(j = 0; j < 80; j++) {
//if (Board[i][j] != ' ') {
//xt_par2(XT_SET_ROW_COL_POS, i, j);
//putchar(Board[i][j]);
//}
//}
printf("%s\n", Board[i]);
}
usleep(1000000);
}
void ClearBoard() {
int i,j;
for (i = 0; i < 23; i++) {
for (j = 0; j < 80; j++) {
Board[i][j] = ' ';
}
}
xt_par0(XT_CLEAR_SCREEN);
xt_par2(XT_SET_ROW_COL_POS,24,1);
printf("%s",greeting);
xt_par2(XT_SET_ROW_COL_POS,1,1);
}
void main() {
int c, row, col;
int i, j;
xt_par2(XT_BG_BLUE,row=1,col=1);
row = col = 1;
xt_par0(XT_CLEAR_SCREEN);
xt_par2(XT_SET_ROW_COL_POS,row=24,col=1);
printf("%s", greeting);
xt_par2(XT_SET_ROW_COL_POS,row=1,col=1);
for (i = 0; i < 23; i++) {
for (j = 0; j < 80; j++) {
Board[i][j] = ' ';
}
Board[i][80] = '\0';
}
while (1) {
while ((c = getkey()) == KEY_NOTHING) ;
if(c == KEY_F9) break;
else if (c == KEY_F3)
startRipple();
else if (c == KEY_UP && row > 3)
xt_par2(XT_SET_ROW_COL_POS,--row,col);
else if (c == KEY_DOWN && row < 21)
xt_par2(XT_SET_ROW_COL_POS,++row,col);
else if (c == KEY_RIGHT && col < 78)
xt_par2(XT_SET_ROW_COL_POS,row,++col);
else if (c == KEY_LEFT && col > 3)
xt_par2(XT_SET_ROW_COL_POS,row,--col);
else if (c == KEY_ENTER)
xt_par2(XT_SET_ROW_COL_POS,++row,col=1);
else if (c == KEY_BACKSPACE && col > 1) {
xt_par2(XT_SET_ROW_COL_POS,row,--col);
putchar(' ');
Board[row - 1][col - 1] = ' ';
xt_par2(XT_SET_ROW_COL_POS,row,col);
} else if (c == KEY_DELETE) {
Board[row - 1][col - 1] = ' ';
putchar(' ');
xt_par2(XT_SET_ROW_COL_POS,row,col);
} else if (c >= '1' && c <= '9') {
putchar(c);
Board[row-1][col-1] = c;
if (col < 80) {
++col;
} else if (row < 23) {
xt_par2(XT_SET_ROW_COL_POS,++row,col=1);
} else {
xt_par2(XT_SET_ROW_COL_POS,row,col);
}
}
}
getkey_terminate();
xt_par2(XT_BG_DEFAULT,row=1,col=1);
xt_par0(XT_CLEAR_SCREEN);
}