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#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <tak.h>
float max_flats;
uint64_t heights[16];
int result, generate;
FILE *training_fh = NULL;
static void
write_input(void) {
// Four numbers for capstone coords (col,row)
// Two numbers for flats remaining
fprintf(training_fh,"%.6f,%.6f,",
(float)(white_count & 127)/max_flats,
(float)(black_count & 127)/max_flats);
// Two layers of board_size * board_size:
float t; int h; uint16_t mask;
for (int k = 0; k < board_size * board_size; k++) {
// stacks encoded as balanced ternary
t = 0;
h = COUNT_AT(k);
if (h>0) {
mask = 1<<(h-1);
while (h-->0) {
t += (colours[k] & mask) ? +1 : -1;
t/=3;
mask >>= 1;
}
}
fprintf(training_fh,"%.6f,",t);
}
float val;
for (int k = 0; k < board_size * board_size; k++) {
val = 0;
if (COUNT_AT(k)) {
if (STONE_AT(k) == STONE_STANDING) val = (colours[k] & 1) ? +1/3 : -1/3;
else if (STONE_AT(k) == STONE_CAPSTONE) val = (colours[k] & 1) ? +1.0 : -1.0;
else val = (colours[k] & 1) ? +2/3 : -2/3;
}
fprintf(training_fh,"%.6f,",val);
}
}
// Warning: performs _no_ checks on input whatsoever
static enum E_RESULT
parse_line(const char *pt, const ssize_t read) {
ssize_t idx = 0;
enum E_RESULT r;
for(;;) {
if (pt[idx] == 'P') {
// P [A-F][1-6] [CF]?,
idx+=2;
enum STONE_VARIANT stone;
const uint8_t col = pt[idx]-'A', row = pt[idx+1]-'1';
if (idx + 3 < read) {
switch (pt[idx+3]) {
case 'W': { stone = STONE_STANDING; break; }
case 'C': { stone = STONE_CAPSTONE; break; }
default: { stone = STONE_FLAT; break; }
}
} else {
stone = STONE_FLAT;
}
r = try_place(THE_COORDS(col,row), current_colour, stone);
if (r != ACT_OK) return r;
} else if (pt[idx] == 'M') {
// M [A-F][1-6] [A-F][1-6]( [1-6])+,
idx+=2;
uint8_t drops[board_size];
const uint8_t s_col =pt[idx]-'A', s_row=pt[idx+1]-'1',
d_col=pt[idx+3]-'A', d_row=pt[idx+4]-'1';
idx+=4;
enum MOVE_DIRECTION dir = M_RIGHT;
if (s_col < d_col) dir=M_RIGHT;
else if (s_col > d_col) dir=M_LEFT;
else if (s_row < d_row) dir=M_UP;
else if (s_row > d_row) dir=M_DOWN;
uint8_t steps = 0;
do {
idx+=2;
drops[steps++] = pt[idx] - '0';
} while (idx+2<read && pt[idx+1] != ',');
r = try_move(THE_COORDS(s_col, s_row), dir, steps, drops);
if (r != ACT_OK) return r;
// Measure height of stacks exceeding 1
for (int k = 0; k < board_size * board_size; k++) {
if (COUNT_AT(k)>1) heights[COUNT_AT(k)]+=1;
}
}
// Generate training data, not too early in the game
if (generate && ply > 10) {
write_input();
fprintf(training_fh,"%d\n", result);
}
// Parse next action
while (idx<read && pt[idx++]!=',');
if (idx>=read) return ACT_OK;
next_ply();
}
return ACT_OK;
}
int
main(int argc, char **argv) {
(void)(argc);
enum E_RESULT r;
enum WIN_TYPE win;
uint32_t games = 0, overflow=0, illegal = 0;
uint32_t road_wins=0, flat_wins=0, road_turns=0, flat_turns=0;
for (int k = 0; k < 16; k++) heights[k] = 0;
size_t len = 0;
ssize_t read = 0;
FILE *playtak_fh = NULL;
char *line = NULL, td_fn[65];
const uint8_t size = argv[1][0]-'0';
playtak_fh = fopen(argv[2], "r");
if (playtak_fh == NULL) exit(EXIT_FAILURE);
if (argc > 3 && (!strncmp("generate", argv[3], 8))) {
generate=1;
max_flats = (size == 5) ? 21.0 : 30.0;
snprintf(td_fn, 64, "data/training-%d.csv",size);
training_fh = fopen(td_fn, "w");
if (training_fh == NULL) exit(EXIT_FAILURE);
// Write header
fputs("\"White flats\",\"Black flats\",",training_fh);
for (int k = 0; k < size*size; k++)
fprintf(training_fh,"\"Stack %d\",",k);
for (int k = 0; k < size*size; k++)
fprintf(training_fh,"\"Wall %d\",",k);
fputs("\"Outcome\"\n",training_fh);
} else generate=0;
while ((read = getline(&line, &len, playtak_fh)) != -1) {
// Reset everything
reset_state(size);
// Store the result of this game
if (line[read-4] == '0') result = 0;
else result = 1;
// Parse the line
r = parse_line(line,read-4);
// Adjust counts if we're not generating training data
if (generate == 0) {
if (r == ACT_ILLEGAL) {
illegal++;
printf("Illegal:\n%s",line);
} else if (r == ACT_OVERFLOW) {
printf("Overflow:\n%s",line);
overflow++;
} else {
win = check_win();
if (win == WIN_FLAT_BLACK
|| win == WIN_FLAT_WHITE
|| win == WIN_DRAW) {
flat_wins++;
flat_turns += ply/2+1;
} else {
road_wins++;
road_turns += ply/2+1;
}
}
}
games++;
}
fclose(playtak_fh);
if (generate) fclose(training_fh);
if (line) free(line);
if (illegal || overflow) putchar('\n');
printf("Read %d games\n",games);
if (generate==0) {
printf("Illegals: %d\nOverflows: %d\nRoad wins: %d\nFlat wins: %d\n\
Average turns to road win: %.3f\nAverage turns to flat win: %f\n",
illegal,overflow, road_wins, flat_wins,
(double)(road_turns)/(double)(road_wins),
(double)(flat_turns)/(double)(flat_wins));
for (int k = 2; k < 16; k++) {
printf("Height %2d: %7ld\n",k,heights[k]);
}
}
exit(EXIT_SUCCESS);
}
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