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too many to summarize #5

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merged 2 commits into from Jun 11, 2017
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too many to summarize #5

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d5e600d
too many to summarize
kckennylau Jun 11, 2017
0e7f64f
Create triangular.c
kckennylau Jun 11, 2017
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101 changes: 69 additions & 32 deletions triangular.c
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Expand Up @@ -10,7 +10,16 @@ int jumps;
extern int verbose, display_code;

extern char buf[1000][1000];
int direction, skip, x, y;
int direction, skip, x, y, dx, dy;

const int NORTHWEST = 1;
const int NORTH = 2;
const int NORTHEAST = 3;
const int WEST = 4;
const int EAST = 5;
const int SOUTHWEST = 6;
const int SOUTH = 7;
const int SOUTHEAST = 8;

void parse(char);

Expand All @@ -26,17 +35,22 @@ void triangular(void)
parse(buf[y][x]);

switch (direction) {
case 1: x--; y--; break;
case 2: y -= 2; x--; break;
case 3: y--; break;
case 4: x--; break;
case 5: x++; break;
case 6: y++; break;
case 7: y += 2; x++; break;
case 8: x++, y++; break;
case NORTHWEST: dx = -1; dy = -1; break;
case NORTH: dx = -1; dy = 2; break;
case NORTHEAST: dx = 0; dy = -1; break;
case WEST: dx = -1; dy = 0; break;
case EAST: dx = 1; dy = 0; break;
case SOUTHWEST: dx = 0; dy = 1; break;
case SOUTH: dx = 1; dy = 2; break;
case SOUTHEAST: dx = 1; dy = 1; break;
}

skip = skip < 0 ? 0 : skip;
x += dx * (skip + 1);
y += dy * (skip + 1);
skip = 0;

if ((direction == 4 && x < 0) || (direction == 2 && y < 0) || (direction == 1 && (y < 0 || x < 0)))
if ((direction == WEST && x < 0) || (direction == NORTH && y < 0) || (direction == NORTHWEST && (y < 0 || x < 0)))
exit(EXIT_SUCCESS);

if (x < 0)
Expand All @@ -48,30 +62,53 @@ void triangular(void)
}
}

void parse(char command)
int next_direction(int direction, int change)
{
if (skip) {
skip--;
return;
if (change == 1){
switch (direction) {
case NORTH: return NORTHEAST;
case NORTHEAST: return EAST;
case EAST: return SOUTHEAST;
case SOUTHEAST: return SOUTH;
case SOUTH: return SOUTHWEST;
case SOUTHWEST: return WEST;
case WEST: return NORTHWEST;
case NORTHWEST: return NORTH;
}
}else{
switch (direction) {
case NORTH: return NORTHWEST;
case NORTHEAST: return NORTH;
case EAST: return NORTHEAST;
case SOUTHEAST: return EAST;
case SOUTH: return SOUTHEAST;
case SOUTHWEST: return SOUTH;
case WEST: return SOUTHWEST;
case NORTHWEST: return WEST;
}
}
return -1;
}

void parse(char command)
{
if (display_code)
putchar(command);

switch (command) {
/* directional */
case '`': direction = 1; break;
case '^': direction = 2; break;
case '/': direction = 3; break;
case '<': direction = 4; break;
case '>': direction = 5; break;
case ',': direction = 6; break;
case '|': direction = 7; break;
case '\\':direction = 8; break;
case 'o': direction = direction == 8 ? 1 : direction + 1; break;
case 'e': direction = direction == 1 ? 8 : direction - 1; break;
case 'c': direction = direction == 8 ? 1 : direction + 1; buf[y][x] = 'z'; break;
case 'z': direction = direction == 1 ? 8 : direction - 1; buf[y][x] = 'c'; break;
case '`': direction = NORTHWEST; break;
case '^': direction = NORTH; break;
case '/': direction = NORTHEAST; break;
case '<': direction = WEST; break;
case '>': direction = EAST; break;
case ',': direction = SOUTHWEST; break;
case 'v': direction = SOUTH; break;
case '\\':direction = SOUTHEAST; break;
case 'o': direction = next_direction(direction, 1); break;
case 'e': direction = next_direction(direction, -1); break;
case 'c': direction = next_direction(direction, 1); buf[y][x] = 'z'; break;
case 'z': direction = next_direction(direction, -1); buf[y][x] = 'c'; break;

/* program */
case '&': exit(EXIT_SUCCESS);
Expand All @@ -87,17 +124,17 @@ void parse(char command)

case '$': stack[size++] = getchar() - '0'; break;
case '~': stack[size++] = getchar(); break;
case '%': printf("%d",(size && stack[size-1])); break;
case '@': putchar((size && stack[size-1])); break;
case '%': printf("%d",size ? stack[size-1] : 0); break;
case '@': putchar(size ? stack[size-1] : 0); break;

case '1': case '2': case '3': case '4': case '5': case '6': case '7': case'8': case '9':
stack[size++] = command - '0'; break;

/* conditionals */
case '?': skip = (size && stack[size-1]) < 1; break;
case '!': skip = (size && stack[size-1]) > 0; break;
case 's': skip = (size && stack[size-1]); break;
case ';': if ((size && stack[size-1]) < 1) exit(EXIT_SUCCESS); break;
case '?': skip = (size ? stack[size-1] : 0) < 1; break;
case '!': skip = (size ? stack[size-1] : 0) > 0; break;
case 's': skip = (size ? stack[size-1] : 0); break;
case ';': if ((size ? stack[size-1] : 0) < 1) exit(EXIT_SUCCESS); break;

case 'x': jumps--;
case '(':
Expand Down