Cleanup code
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4fce5388b8
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GPG Key ID:
446580D758689584
8
Makefile
8
Makefile
@ -1,13 +1,13 @@
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OBJ = $(patsubst src/%.c,%.o,$(wildcard src/*.c))
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HEADERS = $(wildcard src/*.h)
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FLAGS = -std=c17 -pthread -O2
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LIB = -lncurses -lnotcurses-core
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CFLAGS += -std=c17 -pthread -O2
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LIB = -lncurses -lnotcurses-core -lm
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%.o: src/%.c $(HEADERS)
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$(CC) $(FLAGS) $(CFLAGS) -c $< -o $@
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$(CC) $(CFLAGS) -c $< -o $@
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2048: $(OBJ)
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$(CC) $(LIB) $(FLAGS) $(CFLAGS) $^ -o $@
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$(CC) $(LIB) $(CFLAGS) $^ -o $@
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.PHONY: clean
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61
src/2048.c
61
src/2048.c
@ -40,15 +40,15 @@ void _2048_draw_cell(struct _2048_cell *cell, struct ncplane *plane, uint y, uin
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// Draw cell in appropriate place by
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// manipulating the starting x draw points
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switch (cell->x) {
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case 0:
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case 0: // -24
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drawx -= 12;
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case 1:
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case 1: // -12
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drawx -= 12;
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break;
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case 3:
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case 3: // +12
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drawx += 12;
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case 2:
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case 2: // 0
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drawx += 0;
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break;
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@ -58,36 +58,40 @@ void _2048_draw_cell(struct _2048_cell *cell, struct ncplane *plane, uint y, uin
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// Same for y
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switch (cell->y) {
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case 0:
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case 0: // -8
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drawy -= 6;
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case 1:
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case 1: // -2
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drawy -= 2;
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break;
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case 3:
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case 3: // +10
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drawy += 6;
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case 2:
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case 2: // +4
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drawy += 4;
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break;
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default: break;
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default:
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break;
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}
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// Put cursor at starting draw position
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ncplane_cursor_move_yx(plane, drawy, drawx);
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// Top + Bottom sides
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for (uint xd = 1; xd < 12u; xd++) {
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ncplane_putwc_yx(plane, drawy, drawx + xd, 0x2500);
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ncplane_putwc_yx(plane, drawy + 6, drawx + xd, 0x2500);
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}
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// Left + Right sides
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for (uint yd = 1; yd < 6u; yd++) {
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ncplane_putwc_yx(plane, drawy + yd, drawx, 0x2502);
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ncplane_putwc_yx(plane, drawy + yd, drawx + 12, 0x2502);
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}
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// Put level inside square
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if (cell->level) {
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struct string *level = pad_int(1 << cell->level, 0, 10);
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struct string *level = int_string(1 << cell->level);
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ncplane_putstr_yx(plane, drawy + 3, drawx + 6 - (level->length / 2), level->s);
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free_string(level);
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}
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@ -136,14 +140,14 @@ void _2048_draw_board(struct _2048_board *board, struct ncplane *plane, uint py,
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}
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void _2048_place_random(struct _2048_board *board) {
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bool emptySpotAvailable = false;
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bool empty_spot_somewhere = false;
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for (uint y = 0; y < 4; y++)
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for (uint x = 0; x < 4; x++)
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if (!board->cells[y][x]->level)
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emptySpotAvailable = true;
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empty_spot_somewhere = true;
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if (emptySpotAvailable) {
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if (empty_spot_somewhere) {
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uint x = rand() % 4, y = rand() % 4;
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while (board->cells[y][x]->level) {
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@ -151,11 +155,12 @@ void _2048_place_random(struct _2048_board *board) {
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y = rand() % 4;
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}
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// 25% chance to be a 4, 75% chance to be a 2
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board->cells[y][x]->level = (rand() % 4 == 3 ? 2 : 1);
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}
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}
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void transpose(struct _2048_board *board) {
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void _2048_transpose(struct _2048_board *board) {
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uint temp_board[4][4];
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for (uint y = 0; y < 4; y++)
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@ -167,7 +172,7 @@ void transpose(struct _2048_board *board) {
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board->cells[x][y]->level = temp_board[y][x];
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}
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void reverse(struct _2048_board *board) {
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void _2048_reverse(struct _2048_board *board) {
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uint temp_board[4][4];
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for (uint y = 0; y < 4; y++)
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@ -221,30 +226,26 @@ bool _2048_merge(struct _2048_board *board) {
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return boardChanged;
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}
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bool _2048_move(struct _2048_board *board, enum _2048_direction dir) {
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void _2048_move(struct _2048_board *board, enum _2048_direction dir) {
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switch (dir) {
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case _2048_left: break;
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case _2048_right: reverse(board); break;
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case _2048_up: transpose(board); break;
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case _2048_down: transpose(board); reverse(board); break;
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case _2048_right: _2048_reverse(board); break;
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case _2048_up: _2048_transpose(board); break;
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case _2048_down: _2048_transpose(board); _2048_reverse(board); break;
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}
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bool changed = false;
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changed |= _2048_compress(board);
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changed |= _2048_merge(board);
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changed |= _2048_compress(board);
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_2048_compress(board);
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_2048_merge(board);
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_2048_compress(board);
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switch(dir) {
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case _2048_left: break;
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case _2048_right: reverse(board); break;
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case _2048_up: transpose(board); break;
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case _2048_down: reverse(board); transpose(board); break;
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case _2048_right: _2048_reverse(board); break;
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case _2048_up: _2048_transpose(board); break;
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case _2048_down: _2048_reverse(board); _2048_transpose(board); break;
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}
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_2048_place_random(board);
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// facepalm. we add a new tile regardless if it changed so we always need to redraw the board
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return true;
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}
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enum _2048_gameState _2048_determineState(struct _2048_board *board) {
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@ -274,6 +275,6 @@ enum _2048_gameState _2048_determineState(struct _2048_board *board) {
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return _2048_normal;
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// If all else, you lose.
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// If all else fails, you lose.
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return _2048_cant_move;
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}
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@ -10,7 +10,7 @@
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typedef unsigned int uint;
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struct _2048_cell {
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// posiiton
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// position
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uint y;
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uint x;
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@ -21,7 +21,7 @@ struct _2048_cell {
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struct _2048_board {
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struct _2048_cell *cells[4][4];
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// 1 = running; 0 = not running;
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// "is running?"
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bool state;
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};
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@ -49,7 +49,7 @@ void _2048_place_random(struct _2048_board *board);
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bool _2048_compress(struct _2048_board *board);
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bool _2048_merge(struct _2048_board *board);
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bool _2048_move(struct _2048_board *board, enum _2048_direction dir);
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void _2048_move(struct _2048_board *board, enum _2048_direction dir);
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enum _2048_gameState _2048_determineState(struct _2048_board *board);
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118
src/main.c
118
src/main.c
@ -14,16 +14,14 @@
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struct _2048_board *g_board;
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struct notcurses *g_nc;
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struct ncplane *g_stdp;
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struct ncplane *p_game;
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struct ncplane *p_status;
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uint g_topscore;
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uint g_score;
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#define g_stop_nc() notcurses_stop(g_nc); g_nc == NULL
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int main(void) {
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setlocale(LC_ALL, "en_US.UTF-8");
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srand(time(NULL));
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{ // Create notcurses instance
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@ -31,63 +29,45 @@ int main(void) {
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opt->flags = NCOPTION_SUPPRESS_BANNERS | NCOPTION_NO_QUIT_SIGHANDLERS;
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g_nc = notcurses_core_init(opt, NULL);
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free(opt);
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nocbreak();
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noecho();
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}
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g_board = _2048_init_board();
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g_stdp = notcurses_stdplane(g_nc);
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g_topscore = 0;
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g_score = 0;
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nocbreak();
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noecho();
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{ // Create game plane
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allocm(struct ncplane_options, opt);
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opt->name = (char *)"Game window";
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opt->cols = COLS;
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opt->rows = LINES - 2;
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opt->x = 0;
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opt->y = 2;
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opt->flags = NCPLANE_OPTION_FIXED;
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opt->margin_b = 0;
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opt->margin_r = 0;
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p_game = ncplane_create(g_stdp, opt);
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free(opt);
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// Create planes
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{
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// Game plane
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p_game = create_plane(g_nc, (char *)"Game window", COLS, LINES - 2, 2, 0, NCPLANE_OPTION_FIXED);
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if (p_game == 0) {
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g_stop_nc();
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printf("Game plane failed to init\n");
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cleanup(1);
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}
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}
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{ // Create statusbar plane
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allocm(struct ncplane_options, opt);
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opt->name = (char *)"Status bar";
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opt->cols = COLS;
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opt->rows = 2;
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opt->x = 0;
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opt->y = 0;
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opt->flags = NCPLANE_OPTION_FIXED;
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opt->margin_b = 0;
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opt->margin_r = 0;
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p_status = ncplane_create(g_stdp, opt);
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free(opt);
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// Status bar plane
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p_status = create_plane(g_nc, (char *)"Status bar", COLS, 2, 0, 0, NCPLANE_OPTION_FIXED);
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if (p_status == 0) {
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g_stop_nc();
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printf("Status bar plane failed to init\n");
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cleanup(1);
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}
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// Line
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for (uint x = 0; x < COLS + 0U; x++)
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ncplane_putwc_yx(p_status, 1, x, 0x2500);
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}
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// Make sure everything is cleaned up when program is quit
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signal(SIGINT, cleanup);
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signal(SIGQUIT, cleanup);
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signal(SIGTERM, cleanup);
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signal(SIGSEGV, cleanup);
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{
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signal(SIGINT, cleanup);
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signal(SIGQUIT, cleanup);
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signal(SIGTERM, cleanup);
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signal(SIGSEGV, cleanup);
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}
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// Status bar text
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char *status_text = (char *)malloc(65);
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@ -95,27 +75,25 @@ int main(void) {
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snprintf(status_text, 64, "Press h for help");
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// plane dimensions
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uint psx, psy, pgx, pgy;
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uint psy, psx, pgy, pgx; // ps = Status plane // pg = Game plane
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ncplane_dim_yx(p_status, &psy, &psx);
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ncplane_dim_yx(p_game, &pgy, &pgx);
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_2048_place_random(g_board);
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bool f_redrawGameBoard = true;
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bool f_redrawStatus = true;
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bool f_redraw_game_board = true;
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bool f_redraw_status = true;
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bool f_seen2048 = false;
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bool f_lost = false;
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bool f_lost = false; // "Game over", used to stop handling movements
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// Game and event loop
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while (g_board->state) {
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// Event processing
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ncinput nc_event;
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uint32_t nc_input;
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if ((nc_input = notcurses_get_nblock(g_nc, &nc_event))) {
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if (nc_input == (uint32_t)-1) {
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g_stop_nc();
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printf("[FATAL] Error occured while processing input\n");
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cleanup(1);
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}
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@ -136,18 +114,19 @@ int main(void) {
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f_seen2048 = false;
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f_lost = false;
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f_redrawStatus = true;
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f_redrawGameBoard = true;
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f_redraw_status = true;
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f_redraw_game_board = true;
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}
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if (nc_event.id == 'h') snprintf(status_text, 64, "shift+q to Quit, shift+r to Restart"), f_redrawStatus = true;
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if (nc_event.id == 'h') snprintf(status_text, 64, "shift+q to Quit, shift+r to Restart"), f_redraw_status = true;
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}
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if (!f_lost) { // Game movements
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if (nc_event.id == NCKEY_LEFT || nc_event.id == 'a') f_redrawGameBoard = _2048_move(g_board, _2048_left);
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if (nc_event.id == NCKEY_RIGHT || nc_event.id == 'd') f_redrawGameBoard = _2048_move(g_board, _2048_right);
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if (nc_event.id == NCKEY_UP || nc_event.id == 'w') f_redrawGameBoard = _2048_move(g_board, _2048_up);
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if (nc_event.id == NCKEY_DOWN || nc_event.id == 's') f_redrawGameBoard = _2048_move(g_board, _2048_down);
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if (nc_event.id == NCKEY_LEFT || nc_event.id == 'a') _2048_move(g_board, _2048_left);
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if (nc_event.id == NCKEY_RIGHT || nc_event.id == 'd') _2048_move(g_board, _2048_right);
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if (nc_event.id == NCKEY_UP || nc_event.id == 'w') _2048_move(g_board, _2048_up);
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if (nc_event.id == NCKEY_DOWN || nc_event.id == 's') _2048_move(g_board, _2048_down);
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f_redraw_game_board = true;
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}
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}
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@ -172,19 +151,19 @@ int main(void) {
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ncplane_putwc_yx(p_status, 1, x, 0x2500);
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}
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f_redrawGameBoard = true;
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f_redraw_game_board = true;
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}
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}
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if (f_redrawGameBoard) {
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if (f_redraw_game_board) {
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ncplane_erase(p_game);
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_2048_draw_board(g_board, p_game, pgy, pgx);
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g_topscore = 0;
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g_score = 0;
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for (uint y = 0; y < 4; y++)
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for (uint x = 0; x < 4; x++)
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if (g_board->cells[y][x]->level)
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g_topscore += 1 << g_board->cells[y][x]->level;
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g_score += 1 << g_board->cells[y][x]->level;
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enum _2048_gameState state = _2048_determineState(g_board);
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@ -192,35 +171,35 @@ int main(void) {
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case _2048_normal: break;
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case _2048_reached:
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if (!f_seen2048) {
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snprintf(status_text, 64, "Congrats! You reached 2048");
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snprintf(status_text, 64, "You reached 2048!");
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f_seen2048 = true;
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f_redraw_status = true;
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}
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break;
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case _2048_cant_move:
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if (!f_lost) {
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if (f_seen2048)
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snprintf(status_text, 64, "Game over. Congrats on reaching 2048. Press shift+r to Restart");
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snprintf(status_text, 64, "You reached 2048! Press shift+r to Restart");
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else
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snprintf(status_text, 64, "Game over. You have lost. Press shift+r to Restart");
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snprintf(status_text, 64, "You have lost. Press shift+r to Restart");
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f_lost = true;
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f_redraw_status = true;
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}
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break;
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}
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f_redrawStatus = true;
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f_redrawGameBoard = false;
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f_redraw_game_board = false;
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}
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if (f_redrawStatus) {
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if (f_redraw_status) {
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ncplane_erase_region(p_status, 0, 0, 1, psx);
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ncplane_putstr_yx(p_status, 0, 1, "2048 in the terminal");
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ncplane_putstr_yx(p_status, 0, (psx / 2) - (strnlen(status_text, 64) / 2), status_text);
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ncplane_putstr_yx(p_status, 0, (psx / 2) - (strlen(status_text) / 2), status_text);
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ncplane_putstr_yx(p_status, 0, psx - 14, "SCORE ");
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ncplane_printf(p_status, "%i", g_topscore);
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ncplane_printf(p_status, "%i", g_score);
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f_redrawStatus = false;
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f_redraw_status = false;
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}
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notcurses_render(g_nc);
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@ -236,8 +215,11 @@ void cleanup(int sig) {
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printf("[INFO] Caught signal %i\n", sig);
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else if (sig == 1)
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printf("[INFO] Cleaning up after error\n");
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else
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printf("[INFO] Exiting.");
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g_stop_nc();
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if (g_nc != NULL)
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g_stop_nc();
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if (g_board)
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_2048_destroy_board(g_board);
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65
src/utils.c
65
src/utils.c
@ -1,44 +1,15 @@
|
||||
#include "utils.h"
|
||||
|
||||
#include <math.h>
|
||||
#include <sys/stat.h>
|
||||
|
||||
struct string *pad_int(int n, uint pad, uint maxsize) {
|
||||
struct string *str = (struct string *)malloc(sizeof (struct string) + 1);
|
||||
maxsize++;
|
||||
|
||||
str->s = (char *)malloc((sizeof(char) * maxsize) + 1);
|
||||
str->length = 0;
|
||||
|
||||
memset(str->s, 0, maxsize);
|
||||
// int_string
|
||||
struct string *int_string(uint n) {
|
||||
uint l = log10(n) + 1; // length
|
||||
struct string *str = alloc_string(l);
|
||||
|
||||
// Figure out how many place values are in n
|
||||
int _n = abs(n);
|
||||
uint places = 1;
|
||||
|
||||
for (uint i = 0; i < pad; i++) {
|
||||
if (_n >= 10) {
|
||||
_n /= 10;
|
||||
places++;
|
||||
}
|
||||
else break;
|
||||
}
|
||||
|
||||
char *padding = (char *)malloc((sizeof(char) * pad) + 1);
|
||||
for (uint i = 0; i < pad; i++)
|
||||
padding[i] = '0';
|
||||
|
||||
uint required_padding = pad - places;
|
||||
if (required_padding > pad) required_padding = 0;
|
||||
|
||||
snprintf(str->s, maxsize, "%*.*s%i%c", 0, required_padding, padding, abs(n), 0);
|
||||
free(padding);
|
||||
|
||||
for (uint i = 0; i < maxsize + 1; i++) {
|
||||
if (str->s[i] == 0) {
|
||||
str->length = i;
|
||||
break;
|
||||
}
|
||||
}
|
||||
snprintf(str->s, l, "%i", n);
|
||||
|
||||
return str;
|
||||
}
|
||||
@ -60,8 +31,24 @@ void free_string(struct string *s) {
|
||||
free(s);
|
||||
}
|
||||
|
||||
uint load_highscore() {
|
||||
char *home = getenv("HOME");
|
||||
allocm(struct stat, s);
|
||||
stat("", s);
|
||||
// create_plane
|
||||
// Programmer beware: this can and will return an erronous plane -- up to you to error handle
|
||||
struct ncplane *create_plane(struct notcurses *nc, char *name, uint cols, uint rows, uint y, uint x, uint flags) {
|
||||
struct ncplane *stdp = notcurses_stdplane(nc);
|
||||
|
||||
allocm(struct ncplane_options, opt);
|
||||
opt->name = name;
|
||||
opt->cols = cols;
|
||||
opt->rows = rows;
|
||||
opt->y = y;
|
||||
opt->x = x;
|
||||
opt->flags = flags;
|
||||
opt->margin_b = 0;
|
||||
opt->margin_r = 0;
|
||||
|
||||
struct ncplane *plane = ncplane_create(stdp, opt);
|
||||
|
||||
free(opt);
|
||||
|
||||
return plane;
|
||||
}
|
||||
|
||||
@ -1,9 +1,11 @@
|
||||
#ifndef __UTILS_H__
|
||||
#define __UTILS_H__
|
||||
|
||||
#include <notcurses/notcurses.h>
|
||||
|
||||
#include <memory.h>
|
||||
#include <stdio.h>
|
||||
#include <stdlib.h>
|
||||
#include <memory.h>
|
||||
#include <string.h>
|
||||
|
||||
|
||||
@ -16,10 +18,9 @@ struct string {
|
||||
uint length;
|
||||
};
|
||||
|
||||
struct string *pad_int(int n, uint pad, uint maxsize);
|
||||
struct string *int_string(uint n);
|
||||
struct string *alloc_string(uint l);
|
||||
void free_string(struct string *s);
|
||||
|
||||
uint load_highscore();
|
||||
struct ncplane *create_plane(struct notcurses *nc, char *name, uint cols, uint rows, uint y, uint x, uint flags);
|
||||
|
||||
#endif
|
||||
|
||||
Loading…
Reference in New Issue
Block a user