From: Laurent Mazet <mazet@softndesign.org>
Date: Sat, 20 Jul 2024 08:45:07 +0000 (+0200)
Subject: initial skeleton
X-Git-Tag: v1.0~11
X-Git-Url: https://secure.softndesign.org/git/?a=commitdiff_plain;h=3e042aefddb3805de9ef1f87147259273d72b8e2;p=tetris.git

initial skeleton
---

3e042aefddb3805de9ef1f87147259273d72b8e2
diff --git a/constant.c b/constant.c
new file mode 100644
index 0000000..eb0f8ee
--- /dev/null
+++ b/constant.c
@@ -0,0 +1,8 @@
+#include <stdio.h>
+#include <string.h>
+
+#include "type.h"
+
+#include "constant.h"
+
+/* vim: set ts=4 sw=4 et: */
diff --git a/constant.h b/constant.h
new file mode 100644
index 0000000..e270e12
--- /dev/null
+++ b/constant.h
@@ -0,0 +1,8 @@
+#ifndef __CONSTANT_H__
+#define __CONSTANT_H__
+
+#include "type.h"
+
+#endif /* __CONSTANT_H__ */
+
+/* vim: set ts=4 sw=4 et: */
diff --git a/debug.c b/debug.c
new file mode 100644
index 0000000..b9eba44
--- /dev/null
+++ b/debug.c
@@ -0,0 +1,5 @@
+#include "debug.h"
+
+int verbose = 0;
+
+/* vim: set ts=4 sw=4 et: */
diff --git a/debug.h b/debug.h
new file mode 100644
index 0000000..32dc0ca
--- /dev/null
+++ b/debug.h
@@ -0,0 +1,21 @@
+#ifndef __DEBUG_H__
+#define __DEBUG_H__
+
+/* constants */
+
+#define DEBUG 3
+#define INFO 2
+#define WARNING 1
+#define ERROR 0
+
+/* macros */
+
+#define VERBOSE(level, statement...) do { if (level <= verbose) { statement; } } while(0)
+
+/* gobal variables */
+
+extern int verbose;
+
+#endif /* __DEBUG_H__ */
+
+/* vim: set ts=4 sw=4 et: */
diff --git a/display.c b/display.c
new file mode 100644
index 0000000..467787c
--- /dev/null
+++ b/display.c
@@ -0,0 +1,446 @@
+#include <curses.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "debug.h"
+#include "function.h"
+#include "type.h"
+
+#include "display.h"
+
+typedef enum {
+    white = 1,
+    red,
+    green,
+    blue,
+    cyan,
+    magenta,
+    yellow,
+    bred,
+    bgreen,
+    bblue,
+    bcyan,
+    bmagenta,
+    byellow,
+    black,
+    wred,
+    wgreen,
+    wblue,
+    wcyan,
+    wmagenta,
+    wyellow,
+} color_t;
+
+void set_color (color_t color)
+{
+    static int init = 1;
+
+    if (init) {
+        init_pair (white, COLOR_WHITE, COLOR_BLACK);
+        init_pair (red, COLOR_RED, COLOR_BLACK);
+        init_pair (green, COLOR_GREEN, COLOR_BLACK);
+        init_pair (blue, COLOR_BLUE, COLOR_BLACK);
+        init_pair (magenta, COLOR_MAGENTA, COLOR_BLACK);
+        init_pair (yellow, COLOR_YELLOW, COLOR_BLACK);
+        init_pair (cyan, COLOR_CYAN, COLOR_BLACK);
+        init_pair (bred, COLOR_BLACK, COLOR_RED);
+        init_pair (bgreen, COLOR_BLACK, COLOR_GREEN);
+        init_pair (bblue, COLOR_BLACK, COLOR_BLUE);
+        init_pair (bmagenta, COLOR_BLACK, COLOR_MAGENTA);
+        init_pair (byellow, COLOR_BLACK, COLOR_YELLOW);
+        init_pair (bcyan, COLOR_BLACK, COLOR_CYAN);
+        init_pair (black, COLOR_BLACK, COLOR_WHITE);
+        init_pair (wred, COLOR_WHITE, COLOR_RED);
+        init_pair (wgreen, COLOR_WHITE, COLOR_GREEN);
+        init_pair (wblue, COLOR_WHITE, COLOR_BLUE);
+        init_pair (wcyan, COLOR_WHITE, COLOR_CYAN);
+        init_pair (wmagenta, COLOR_WHITE, COLOR_MAGENTA);
+        init_pair (wyellow, COLOR_WHITE, COLOR_YELLOW);
+        init = 0;
+    }
+
+    attrset (COLOR_PAIR(color));
+}
+
+int _helpwindow (char *msg, int xoffset, int yoffset, int length)
+{
+    int i = 0;
+    int j = 0;
+    while ((msg) && (*msg != '\0')) {
+        if ((*msg == '\n') || (i  == length)) {
+            i = 0;
+            j++;
+        }
+        if (*msg != '\n') {
+            mvaddch (yoffset + j, xoffset + i, *msg);
+            i++;
+        }
+        msg++;
+    }
+    return j;
+}
+
+void _displaytitle (char *title, int xoffset, int yoffset)
+{
+    int i;
+    for (i = 0; title[i] != '\0'; i++) {
+        mvaddch (yoffset, xoffset + i, title[i]);
+        mvaddch (yoffset + 1, xoffset + i, ACS_HLINE);
+    }
+}
+
+void _dobound (int xsize, int ysize, int xoffset, int yoffset)
+{
+    int i, j;
+
+    for (i = 0; i < xsize; i++) {
+        mvaddch (yoffset - 1, xoffset + i, ACS_HLINE);
+        mvaddch (yoffset + ysize, xoffset + i, ACS_HLINE);
+    }
+    for (j = 0; j < ysize; j++) {
+        mvaddch (yoffset + j, xoffset - 1, ACS_VLINE);
+        mvaddch (yoffset + j, xoffset + xsize, ACS_VLINE);
+    }
+    mvaddch (yoffset - 1, xoffset - 1, ACS_ULCORNER);
+    mvaddch (yoffset + ysize, xoffset - 1, ACS_LLCORNER);
+    mvaddch (yoffset - 1, xoffset + xsize, ACS_URCORNER);
+    mvaddch (yoffset + ysize, xoffset + xsize, ACS_LRCORNER);
+}
+
+int helpwindow (char *msg, int xoffset, int yoffset)
+{
+    _displaytitle ("Help message", xoffset, yoffset);
+    int length = strmaxlen (msg, '\n');
+    int j = 2;
+    j += _helpwindow (msg, xoffset, yoffset + j, length);
+
+    return j;
+}
+
+void _set_symb_color (char symb)
+{
+    switch (symb) {
+    case ' ':
+        set_color (black);
+        break;
+    case '.':
+        set_color (white);
+        break;
+    case '/':
+        set_color (byellow);
+        break;
+    case '0':
+    case '6':
+        set_color (wgreen);
+        break;
+    case '1':
+    case '7':
+        set_color (wred);
+        break;
+    case '2':
+    case '8':
+        set_color (green);
+        break;
+    case '3':
+    case '9':
+        set_color (red);
+        break;
+    case '4':
+    case ':':
+        set_color (bgreen);
+        break;
+    case '5':
+    case ';':
+        set_color (bred);
+        break;
+    case 'S':
+        set_color (byellow);
+        break;
+    case 'Z':
+        set_color (bblue);
+        break;
+    }
+}
+
+void _element0 (board_t *board, int x, int y, int symb)
+{
+    int element = ' ';
+    switch (symb) {
+    case '/':
+        element = 'X';
+        break;
+    case '0':
+    case '1':
+    case '2':
+    case '3':
+    case '4':
+    case '5':
+        element = '0';
+        break;
+    case '6':
+    case '7':
+    case '8':
+    case '9':
+    case ':':
+    case ';':
+        element = ACS_DIAMOND;
+        break;
+    }
+    _set_symb_color (symb);
+    mvaddch (board->yoffset + y, board->xoffset + x, element);
+    set_color (white);
+}
+
+void _element1 (board_t *board, int x, int y, int symb)
+{
+    int element0 = ' ';
+    int element1 = ' ';
+    switch (symb) {
+    case '/':
+        element0 = '>';
+        element1 = '<';
+        break;
+    case '0':
+    case '1':
+    case '2':
+    case '3':
+    case '4':
+    case '5':
+        element0 = '[';
+        element1 = ']';
+        break;
+    case '6':
+    case '7':
+    case '8':
+    case '9':
+    case ':':
+    case ';':
+        element0 = '<';
+        element1 = '>';
+        break;
+    }
+    _set_symb_color (symb);
+    mvaddch (board->yoffset + y, board->xoffset + 2 * x, element0);
+    mvaddch (board->yoffset + y, board->xoffset + 2 * x + 1, element1);
+    set_color (white);
+}
+
+void _element2 (board_t *board, int x, int y, int symb)
+{
+    int element00 = ' ';
+    int element10 = ' ';
+    int element01 = ' ';
+    int element11 = ' ';
+    switch (symb) {
+    case '/':
+        element00 = '\\';
+        element01 = '/';
+        element10 = '/';
+        element11 = '\\';
+        break;
+    case '0':
+    case '1':
+    case '2':
+    case '3':
+    case '4':
+    case '5':
+        element00 = ACS_ULCORNER;
+        element01 = ACS_URCORNER;
+        element10 = ACS_LLCORNER;
+        element11 = ACS_LRCORNER;
+        break;
+    case '6':
+    case '7':
+    case '8':
+    case '9':
+    case ':':
+    case ';':
+        element00 = '/';
+        element01 = '\\';
+        element10 = '\\';
+        element11 = '/';
+        break;
+    }
+    _set_symb_color (symb);
+    mvaddch (board->yoffset + 2 * y, board->xoffset + 2 * x, element00);
+    mvaddch (board->yoffset + 2 * y, board->xoffset + 2 * x + 1, element01);
+    mvaddch (board->yoffset + 2 * y + 1, board->xoffset + 2 * x, element10);
+    mvaddch (board->yoffset + 2 * y + 1, board->xoffset + 2 * x + 1, element11);
+    set_color (white);
+}
+
+void _element3 (board_t *board, int x, int y, int symb)
+{
+    int element00 = ' ';
+    int element10 = ' ';
+    int element01 = ' ';
+    int element11 = ' ';
+    int element02 = ' ';
+    int element12 = ' ';
+    switch (symb) {
+    case '/':
+        element00 = '\\';
+        element01 = '|';
+        element02 = '/';
+        element10 = '/';
+        element11 = '|';
+        element12 = '\\';
+        break;
+    case '0':
+    case '1':
+    case '2':
+    case '3':
+    case '4':
+    case '5':
+        element00 = ACS_ULCORNER;
+        element01 = ACS_HLINE;
+        element02 = ACS_URCORNER;
+        element10 = ACS_LLCORNER;
+        element11 = ACS_HLINE;
+        element12 = ACS_LRCORNER;
+        break;
+    case '6':
+    case '7':
+    case '8':
+    case '9':
+    case ':':
+    case ';':
+        element00 = '/';
+        element01 = 'T';
+        element02 = '\\';
+        element10 = '\\';
+        element11 = '_';
+        element12 = '/';
+        break;
+    }
+    _set_symb_color (symb);
+    mvaddch (board->yoffset + 2 * y, board->xoffset + 3 * x, element00);
+    mvaddch (board->yoffset + 2 * y, board->xoffset + 3 * x + 1, element01);
+    mvaddch (board->yoffset + 2 * y, board->xoffset + 3 * x + 2, element02);
+    mvaddch (board->yoffset + 2 * y + 1, board->xoffset + 3 * x, element10);
+    mvaddch (board->yoffset + 2 * y + 1, board->xoffset + 3 * x + 1, element11);
+    mvaddch (board->yoffset + 2 * y + 1, board->xoffset + 3 * x + 2, element12);
+    set_color (white);
+}
+
+void _element (board_t *board, int x, int y, int symb)
+{
+    switch (board->scale) {
+    case 0:
+        _element0 (board, x, y, symb);
+        break;
+    case 1:
+        _element1 (board, x, y, symb);
+        break;
+    case 2:
+        _element2 (board, x, y, symb);
+        break;
+    case 3:
+        _element3 (board, x, y, symb);
+        break;
+    }
+}
+
+void boardwindow (board_t *board)
+{
+    int i, j;
+
+    set_color (black);
+    _dobound (board->xsize, board->ysize, board->xoffset, board->yoffset);
+    set_color (white);
+
+   for (i = 0; i < board->width; i++) {
+        for (j = 0; j < board->height; j++) {
+            _element (board, i, j, getvalue (board, i, j));
+        }
+    }
+}
+
+char *savewindow (int length, int xoffset, int yoffset)
+{
+    char *name = (char *) calloc (1, length + 1);
+    CHECKALLOC (name);
+    memset (name, ' ', length);
+
+    set_color (black);
+    _dobound (length, 1, xoffset, yoffset);
+    set_color (white);
+
+    int i = 0, j;
+    int stop = 0;
+    while (!stop) {
+        for (j = 0; j < length; j++) {
+            set_color ((j == i) ? yellow : black);
+            mvaddch (yoffset, xoffset + j, name[j]);
+            set_color (white);
+        }
+        int ch = getch ();
+        switch (ch) {
+        case '\n':
+        case '\r':
+            stop = 1;
+            break;
+        case KEY_BACKSPACE:
+        case KEY_DELETE:
+        case 127:
+        case '\b':
+            name[i] = ' ';
+            i--;
+            break;
+        case KEY_LEFT:
+            i--;
+            break;
+        case KEY_RIGHT:
+            i++;
+            break;
+        case KEY_ESC:
+            free (name);
+            name = NULL;
+            stop = 1;
+            break;
+        default:
+            if ((ch >= 32) && ( ch < 128)) {
+                name[i] = ch;
+                i++;
+            }
+        }
+
+        if (i < 0) {
+            i = 0;
+        }
+        if (i >= length) {
+            i = length - 1;
+        }
+    }
+
+    if (name) {
+        for (j = length - 1; j >= 0; j--) {
+            if (name[j] == ' ') {
+                name[j] = '\0';
+            }
+        }
+        if (*name == '\0') {
+            free (name);
+            name = NULL;
+        }
+    }
+
+    return name;
+}
+
+void msgwindow (char *msg, int xoffset, int yoffset, int length)
+{
+    set_color (white);
+    _dobound ((length > 0) ? length : (int)strlen (msg), 1, xoffset, yoffset);
+    if (length > 0) {
+        int i;
+        for (i = 0; i < length; i++) {
+            mvaddch (yoffset, xoffset + i, ' ');
+        }
+    }
+    mvaddstr (yoffset, xoffset + ((length > 0) ? (length - (int)strlen (msg)) / 2 : 0), msg);
+    set_color (black);
+}
+
+/* vim: set ts=4 sw=4 et: */
diff --git a/display.h b/display.h
new file mode 100644
index 0000000..df04aa7
--- /dev/null
+++ b/display.h
@@ -0,0 +1,19 @@
+#ifndef __DISPLAY_H__
+#define __DISPLAY_H__
+
+#include "type.h"
+
+#define KEY_ESC 0x1b
+#define KEY_DELETE 0x014a
+
+int helpwindow (char *msg, int xoffset, int yoffset);
+
+void boardwindow (board_t *board);
+
+char *savewindow (int length, int xoffset, int yoffset);
+
+void msgwindow (char *msg, int xoffset, int yoffset, int length);
+
+#endif /* __DISPLAY_H__ */
+
+/* vim: set ts=4 sw=4 et: */
diff --git a/function.c b/function.c
new file mode 100644
index 0000000..d12ca6f
--- /dev/null
+++ b/function.c
@@ -0,0 +1,238 @@
+#include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "debug.h"
+#include "type.h"
+
+#include "function.h"
+
+int strmaxlen (char *str, char ch)
+{
+    int len = 0;
+    char *end = NULL;
+    while ((end = strchr (str, ch)) != NULL) {
+        int l = (int)(end - str);
+        if (l > len) {
+            len = l;
+        }
+        str = end + 1;
+    }
+    return len;
+}
+
+board_t *initboard (int width, int height)
+{
+    board_t *board = (board_t *) malloc (sizeof (board_t));
+    CHECKALLOC (board);
+    board->tab = (char *) calloc (1, width * height + 1);
+    CHECKALLOC (board->tab);
+    memset (board->tab, ' ', width * height);
+    board->current = (char *) calloc (1, width * height + 1);
+    CHECKALLOC (board->current);
+    memset (board->current, ' ', width * height);
+    board->scale = 0;
+    board->xsize = board->width = width;
+    board->ysize = board->height = height;
+    board->xoffset = 0;
+    board->yoffset = 0;
+    board->next = -1;
+    return board;
+}
+
+board_t *copyboard (board_t *board)
+{
+    board_t *newboard = initboard (board->width, board->height);
+    char *tab = newboard->tab;
+    char *current = newboard->current;
+    memcpy (newboard, board, sizeof (board_t));
+    newboard->tab = tab;
+    newboard->current = current;
+    memcpy (newboard->tab, board->tab, board->width * board->height + 1);
+    memcpy (newboard->current, board->current, board->width * board->height + 1);
+    return newboard;
+}
+
+board_t *setscale (board_t *board, int scale)
+{
+    board->scale = scale;
+    switch (scale) {
+    case 0:
+        board->xsize = board->width;
+        board->ysize = board->height;
+        break;
+    case 1:
+        board->xsize = board->width * 2;
+        board->ysize = board->height;
+        break;
+    case 2:
+        board->xsize = board->width * 2;
+        board->ysize = board->height * 2;
+        break;
+    case 3:
+        board->xsize = board->width * 3;
+        board->ysize = board->height * 2;
+        break;
+    }
+    return board;
+}
+
+void freeboard (board_t *board)
+{
+    if (board) {
+        free (board->tab);
+        free (board->current);
+    }
+    free (board);
+}
+
+int _makecomments (char *buffer, board_t *board)
+{
+    int i, j, l = 0;
+    for (j = 0; j < board->height; j++) {
+        l += sprintf (buffer + l, "rem: \"");
+        for (i = 0; i < board->width; i++) {
+            l += sprintf (buffer + l, "%c", getvalue (board, i, j));
+        }
+        l += sprintf (buffer + l, "\"\n");
+    }
+    return l;
+}
+
+char *saveboard (board_t *board)
+{
+    int size = 3 * (8 + 3) + 8 + board->width * board->height + 1;
+    VERBOSE (INFO, size += board->height * (8 + board->width));
+
+    char *buffer = (char *) calloc (size, 1);
+    CHECKALLOC (buffer);
+
+    int l = sprintf (buffer, "width: %d\n", board->width);
+    l += sprintf (buffer + l, "height: %d\n", board->height);
+    l += sprintf (buffer + l, "tab: \"%s\"\n", board->tab);
+    l += sprintf (buffer + l, "current: \"%s\"\n", board->current);
+    l += sprintf (buffer + l, "next: %d\n", board->next);
+
+    VERBOSE (INFO, _makecomments (buffer + l, board));
+
+    return buffer;
+}
+
+int writedata (char *filename, char *data)
+{
+    int ret = 0;
+
+    FILE *fd = fopen (filename, "w");
+    if (fd) {
+        size_t n = fwrite (data, strlen (data), 1, fd);
+        fclose (fd);
+        ret = (n == strlen (data));
+    } else {
+        VERBOSE (WARNING, printf ("can't write file (%s)\n", filename));
+    }
+
+    return ret;
+}
+
+char *readdata (char *filename)
+{
+    char *buffer = NULL;
+    FILE *fd = fopen (filename, "r");
+    if (fd) {
+        fseek (fd, 0, SEEK_END);
+        int size = ftell (fd);
+        buffer = (char *) calloc (size + 1, 1);
+        CHECKALLOC (buffer);
+
+        fseek (fd, 0, SEEK_SET);
+        int nb = fread (buffer, 1, size, fd);
+        if (nb != size) {
+            VERBOSE (WARNING, printf ("can't fully read file (%s)\n", filename));
+        }
+        fclose (fd);
+    }
+
+    return buffer;
+}
+
+char *atos (char *str)
+{
+    char *ret = NULL;
+
+    if (*str == '"') {
+        char *ptr = ++str;
+        while ((*ptr != '"') && (*ptr != '\0')) {
+            ptr++;
+        }
+        if (*ptr == '"') {
+            *ptr = '\0';
+            ret = str;
+        }
+    }
+
+    return ret;
+}
+
+board_t *loadboard (char *str)
+{
+    int width = 0;
+    int height = 0;
+    char *tab = NULL;
+    char *current = NULL;
+    int next = -1;
+
+    char *saveptr1, *saveptr2;
+
+    char *line = strtok_r (str, "\n", &saveptr1);
+    while (line) {
+
+        char *keyword = strtok_r (line, ":", &saveptr2);
+
+        char *value = line + strlen (keyword) + 1;
+        while (*value == ' ') {
+            value++;
+        }
+
+        if (strcmp (keyword,  "width") == 0) {
+            width = atoi (value);
+        } else if (strcmp (keyword,  "height") == 0) {
+            height = atoi (value);
+        } else if (strcmp (keyword,  "tab") == 0) {
+            tab = atos (value);
+        } else if (strcmp (keyword,  "current") == 0) {
+            current = atos (value);
+        } else if (strcmp (keyword,  "next") == 0) {
+            next = atoi (value);
+        } else if (strcmp (keyword,  "rem") == 0) {
+            /* nothing to do with remark */
+        } else {
+            VERBOSE (WARNING, printf ("unknown keyword: %s\n", keyword));
+        }
+
+        line = strtok_r (NULL, "\n", &saveptr1);
+    }
+
+    board_t *board = NULL;
+    if ((tab) && (strlen (tab) == (size_t)(width * height)) &&
+        (current) && (strlen (current) == (size_t)(width * height))) {
+        board = initboard (width, height);
+        memcpy (board->tab, tab, width * height);
+        memcpy (board->current, current, width * height);
+        board->next = next;
+    }
+
+    return board;
+}
+
+char *getcell (board_t *board, int x, int y)
+{
+    return board->tab + x + board->width * y;
+}
+
+char getvalue (board_t *board, int x, int y)
+{
+    return (x >= 0) && (x < board->width) && (y >= 0) && (y < board->height) ? *getcell (board, x, y) : 0;
+}
+
+/* vim: set ts=4 sw=4 et: */
diff --git a/function.h b/function.h
new file mode 100644
index 0000000..b0d4842
--- /dev/null
+++ b/function.h
@@ -0,0 +1,46 @@
+#ifndef __FUNCTION_H__
+#define __FUNCTION_H__
+
+#include <stdint.h>
+
+#include "type.h"
+
+#define CHECKALLOC(ptr) \
+    do { \
+        if ((ptr) == NULL) { \
+            VERBOSE (ERROR, fprintf (stderr, "can't get enough memory for '%s'\n", #ptr)); \
+            exit (1); \
+        } \
+    } while (0)
+
+#define max(a,b) ({ __typeof__ (a) _a = (a); __typeof__ (b) _b = (b); _a > _b ? _a : _b; })
+
+#define min(a,b) ({ __typeof__ (a) _a = (a); __typeof__ (b) _b = (b); _a < _b ? _a : _b; })
+
+int strmaxlen (char *str, char ch);
+
+board_t *initboard (int xsize, int ysize);
+
+board_t *initplay (board_t *board);
+
+board_t *copyboard (board_t *board);
+
+board_t *setscale (board_t *board, int scale);
+
+void freeboard (board_t *board);
+
+char *saveboard (board_t *board);
+
+int writedata (char *filename, char *data);
+
+char *readdata (char *filename);
+
+board_t *loadboard (char *str);
+
+char *getcell (board_t *board, int x, int y);
+
+char getvalue (board_t *board, int x, int y);
+
+#endif /* __FUNCTION_H__ */
+
+/* vim: set ts=4 sw=4 et: */
diff --git a/makefile b/makefile
new file mode 100644
index 0000000..d36ede3
--- /dev/null
+++ b/makefile
@@ -0,0 +1,182 @@
+# Default flags
+
+CC = gcc
+
+#INCLUDES = -I../debug -D__MEMORY_ALLOCATION__
+INCLUDES =
+OFLAGS  = -O4 -Os
+#OFLAGS  = -O4 -ffast-math -finline-functions
+#OFLAGS  = -O4 -finline-functions
+#OFLAGS += -mtune=pentium3 -mmmx -msse -msse2 -m3dnow
+#OFLAGS += -minline-all-stringops -fsingle-precision-constant
+#OFLAGS += -malign-double
+CFLAGS += -W -Wall -Wextra -g
+#CFLAGS += -std=c99 -D_XOPEN_SOURCE=500
+CFLAGS += $(OFLAGS) $(INCLUDES) $(OPTIONS)
+LDFLAGS += -g $(LDOPTS) $(OPTIONS)
+
+LDOPT = linker
+ifeq ($(OS),Windows_NT)
+#LDLIBS += -lws2_32
+LDOPT = winlnk
+endif
+ifeq ($(OS),Dos)
+LDOPT = doslnk
+endif
+
+# Targets
+
+ALLEXE  =
+ALLEXE += tetris
+
+SHELL = bash
+
+#MAKE = mingw32-make
+MAKEFLAGS += -s
+include $(wildcard .makefile)
+
+# Functions
+
+TITLE = echo -en "\033[0;1m$(strip $(1))\033[0;0m:\t"
+PASS = echo -e "\033[1;32m$(strip $(1))\033[0;0m"
+WARN = echo -e "\033[1;33m$(strip $(1))\033[0;0m"
+FAIL = echo -e "\033[1;31m$(strip $(1))\033[0;0m"
+
+MKDIR = mkdir -p $(1) && chmod a+rx,go-w $(1)
+
+INSTALL = test -d `dirname $(2)` || $(call MKDIR, `dirname $(2)`) && cp -pa $(1) $(2) && chmod a+rX,go-w $(2)
+
+VALID = $(call TITLE, $(1)) && $(2) && $(call PASS, SUCCESS) || { $(call FAIL, FAILED); test; }
+
+GETCOMMENTS = awk '/\/\*\s*$(1):/,/\*\// { sub(/.*\/\*\s*$(1):/, ""); sub (/\s*\*\/.*/, ""); print } /\/\/\s*$(1):/ {sub (/.*\/\/\s*$(1):/, ""); print }' $(2)
+#GETCOMMENTS = perl -- getcomments.pl -p='$(1):\s' -f='%' $(2)
+
+## Generic rules
+
+all: depends
+	$(MAKE) $(ALLEXE:%=%.exe)
+
+count:
+	wc $(wildcard *.c *.h) $(MAKEFILE_LIST)
+
+clean:
+	$(call TITLE, "Cleaning")
+	touch clean
+	rm -f clean $(wildcard *.d *.ld *.log *.o *.test *~ .exec_* gmon.out) _
+	$(call PASS, SUCCESS)
+
+depends: $(patsubst %.c, %.d, $(wildcard *.c)) $(patsubst %, %.ld, $(ALLEXE))
+
+gcovs:
+	$(MAKE) $(addprefix gcov_,$(ALLEXE))
+
+gprofs:
+	$(MAKE) $(addprefix gprof_,$(ALLEXE))
+
+purge: clean
+	$(call TITLE, "Purging")
+	touch purge
+	rm -f purge $(ALLEXE:%=%.exe)
+	$(call PASS, SUCCESS)
+
+valgrinds:
+	$(MAKE) all
+	$(MAKE) $(addprefix valgrind_,$(ALLEXE))
+
+wipe: purge
+	$(call TITLE, "Wiping")
+	touch wipe
+	rm -f wipe $(wildcard *.gcda *.gcno *.gcov *.glog)
+	$(call PASS, SUCCESS)
+
+tests:
+	-rm -f $(ALLEXE)
+	$(MAKE) all
+	$(MAKE) $(addprefix test_,$(ALLEXE))
+
+## Main rules
+
+include $(wildcard *.d)
+include $(wildcard *.ld)
+
+gcov_%:
+	$(MAKE) purge
+	$(MAKE) depends
+	OPTIONS="-coverage -O0" $(MAKE) ${@:gcov_%=%}.exe
+	$(MAKE) test_$(@:gcov_%=%)
+	gcov `sed -e 's/\.exe:/.c/;s/\.o/.c/g' $(@:gcov_%=%.ld)`
+	touch gcov
+	rm -f gcov $(wildcard *.gcda *.gcno)
+	$(MAKE) purge
+	grep '#####' *.c.gcov || true
+
+gprof_%:
+	$(MAKE) purge
+	$(MAKE) depends
+	OPTIONS="-pg" $(MAKE) ${@:gprof_%=%}.exe
+	$(MAKE) ${@:gprof_%=%}.test
+	IFS=$$'\n'; id=1; \
+		for test in `cat ${@:gprof_%=%}.test | sed 's,${@:gprof_%=%}.exe,./${@:gprof_%=%}.exe,g'`; do \
+		log=${@:gprof_%=%}.prof-$$id.glog; \
+		$(call TITLE, test: $$test); \
+		echo $$test > $$log; \
+		eval $$test >> $$log; \
+		[ $$? -eq 0 ] \
+			&& echo -e "\033[1;32mSUCCESS\033[0;0m" \
+			|| echo -e "\033[1;31mFAILED\033[0;0m"; \
+		[ -f gmon.out ] && { gprof ${@:gprof_%=%}.exe gmon.out >> $$log; rm gmon.out; }; \
+		let id++; \
+	done;
+	$(MAKE) purge
+
+%.test: %.c
+	$(call TITLE, "Building $@")
+	$(call GETCOMMENTS,test, $<) > $@
+	$(call PASS, SUCCESS)
+	-rm -f _
+
+test_%: %.test %.exe
+	IFS=$$'\n'; RC=0; \
+	for test in `cat $< | sed 's,${<:.test=.exe},$(VALGRIND) ./${<:.test=.exe},g'`; do \
+	  echo "=== $$test ==="; \
+	  eval $$test; \
+	  [ $$? -eq 0 ] && echo -e "\033[1;32mSUCCESS\033[0;0m" \
+	                || { echo -e "\033[1;31mFAILED\033[0;0m"; RC=1; }; \
+	done; \
+	test "$$RC" -ne 1
+
+valgrind_%: %.exe
+	VALGRIND="valgrind -v --leak-check=full --log-fd=3"; \
+	export VALGRIND; \
+	$(MAKE) $(@:valgrind_%=test_%) 3>$@.log
+
+%.d: %.c
+	$(call TITLE, "Building $@")
+	$(CC) $(INCLUDES) -MM $< -o $@~
+	echo ${<:.c=.o}: $(shell $(call GETCOMMENTS,depends, $<)) >> $@~
+	mv $@~ $@
+	$(call PASS, SUCCESS)
+
+%.ld: %.c
+	$(call TITLE, "Building $@")
+	echo ${<:.c=.exe}: $(shell $(call GETCOMMENTS,$(LDOPT), $<) | awk '{for (i=1;i<=NF;i++) if ($$(i) ~ /.o$$/) printf " %s", $$(i)}') > $@
+	$(call PASS, SUCCESS)
+
+%.o: %.c
+	$(call TITLE, "Building $@")
+	$(CC) $(CFLAGS) $(INCLUDES) $(shell $(call GETCOMMENTS,cflags, $<)) -c $< -o $@
+	$(call PASS, SUCCESS)
+
+
+%.exe: %.o %.d
+	$(call TITLE, "Building $@")
+	$(CC) $(LDFLAGS) $< $(shell $(call GETCOMMENTS,$(LDOPT), ${<:.o=.c})) $(LDLIBS) -o $@
+	$(call PASS, SUCCESS)
+
+## Phony
+
+.PHONY: all clean count depends gcovs purge tests
+
+## Precious
+
+.PRECIOUS: %.d %.o
diff --git a/tetris.c b/tetris.c
new file mode 100644
index 0000000..22c6b24
--- /dev/null
+++ b/tetris.c
@@ -0,0 +1,247 @@
+/* depend: */
+/* cflags: */
+/* linker: constant.o debug.o display.o function.o -lcurses */
+/* doslnk: constant.o debug.o display.o function.o -lpdc~1 */
+/* winlnk: constant.o debug.o display.o function.o -lpdcurses */
+
+#include <curses.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <time.h>
+
+#include "constant.h"
+#include "debug.h"
+#include "display.h"
+#include "function.h"
+#include "type.h"
+
+/* static variables */
+char *progname = NULL;
+char *version = "0.1";
+
+char *filename = NULL;
+int scale = 1;
+
+int height = 20;
+int width = 9;
+
+int savelen = 12;
+int xoffset = 1;
+int yoffset = 1;
+
+char *help =
+    "<c> Put down tile\n"
+    "<j> Move left tile\n"
+    "<k> Move down tile\n"
+    "<l> Move right tile\n"
+    "<o> Rotate left tile\n"
+    "<p> Pause\n"
+    "<q> Quit\n"
+    "<u> Rotate right tile\n"
+    "<s> Save file\n"
+    ;
+
+int usage (int ret)
+{
+    FILE *fd = ret ? stderr : stdout;
+    fprintf (fd, "usage: %s [-f file] [-h] [-s int] [-v level]\n", progname);
+    fprintf (fd, " -f: file name (%s)\n", (filename) ? filename : "none");
+    fprintf (fd, " -s: scale [0..3] (%d)\n", scale);
+    fprintf (fd, " -v: verbose level (%d)\n", verbose);
+    fprintf (fd, "%s version %s\n", progname, version);
+
+    return ret;
+}
+
+/* main function */
+int main (int argc, char *argv[])
+{
+
+    /* get basename */
+    char *pt = progname = argv[0];
+    while (*pt) {
+        if ((*pt == '/') || (*pt == '\\')) {
+           progname = pt + 1;
+        }
+        pt++;
+    }
+
+    /* process argument */
+    while (argc-- > 1) {
+        char *arg = *(++argv);
+        if (arg[0] != '-') {
+            VERBOSE (ERROR, fprintf (stderr, "%s: invalid option -- %s\n", progname, arg));
+            return usage (1);
+        }
+        char c = arg[1];
+        switch (c) {
+        case 'f':
+            arg = (arg[2]) ? arg + 2 : (--argc > 0) ? *(++argv) : NULL;
+            if (arg == NULL) {
+                VERBOSE (ERROR, fprintf (stderr, "%s: no file specified\n", progname));
+                return usage (1);
+            }
+            filename = arg;
+            break;
+        case 's':
+            arg = (arg[2]) ? arg + 2 : (--argc > 0) ? *(++argv) : NULL;
+            if (arg == NULL) {
+                VERBOSE (ERROR, fprintf (stderr, "%s: no scale specified\n", progname));
+                return usage (1);
+            }
+            scale = atoi (arg);
+            break;
+        case 'v':
+            arg = (arg[2]) ? arg + 2 : (--argc > 0) ? *(++argv) : NULL;
+            if (arg == NULL) {
+                VERBOSE (ERROR, fprintf (stderr, "%s: missing verbose level\n", progname));
+                return usage (1);
+            }
+            verbose = atoi (arg);
+            break;
+        case 'h':
+        default:
+            return usage (c != 'h');
+        }
+    }
+
+    /* check */
+    if ((scale < 0) || (scale > 3)) {
+        VERBOSE (ERROR, fprintf (stderr, "incorrect scale (%d)\n", scale));
+        return 1;
+    }
+
+    board_t *board = NULL;
+    if (filename) {
+        char *buffer = readdata (filename);
+        if (buffer == NULL) {
+            VERBOSE (ERROR, fprintf (stderr, "can't read file (%s)\n", filename));
+            return 1;
+        }
+        board = loadboard (buffer);
+        free (buffer);
+        if (board == NULL) {
+            VERBOSE (ERROR, fprintf (stderr, "incorrect file (%s)\n", filename));
+            return 1;
+        }
+    } else {
+        board = initboard (width, height);
+    }
+    setscale (board, scale);
+
+    /* init curses window */
+    initscr ();
+    noecho ();
+    cbreak ();
+    nonl ();
+    keypad (stdscr, TRUE);
+    curs_set (0);
+    start_color ();
+
+    /* window positions */
+    int xboard = board->xoffset = xoffset + 1;
+    int yboard = board->yoffset = xoffset + 1;
+    int xhelp = xboard + xoffset + 1 + board->xsize;
+    int xcursor = 1;
+    int ycursor = 0;
+    int yhelp = yboard - 1;
+    int xsave = max (xboard + (board->xsize - savelen) / 2, 1);
+    int ysave = yboard + (board->ysize - 1) / 2;
+    char *savename = NULL;
+
+    /* help window */
+    int lhelp = helpwindow (help, xhelp, yhelp);
+
+    /* window positions */
+    int xmsg = xboard;
+    int ymsg = max (yboard + xoffset + 1 + board->ysize, yhelp + lhelp + yoffset + 1);
+    int lmsg = xhelp - xmsg + strmaxlen (help, '\n');
+
+    /* event loop */
+    int mode = 0;
+    int stop = 0;
+    while (!stop) {
+
+        boardwindow (board);
+        if (1) { /* not end of game */
+            char msg[128] = {0};
+            switch (mode) {
+            case 0:
+                sprintf (msg, "Get ready player One");
+                break;
+            case 1:
+                break;
+            }
+            msgwindow (msg, xmsg, ymsg, lmsg);
+        } else {
+            msgwindow ("End of game", xmsg, ymsg, lmsg);
+        }
+
+        int ch = getch ();
+        switch (ch) {
+        case KEY_ENTER:
+        case '\n':
+        case '\r':
+        case 'c':
+            break;
+        case KEY_LEFT:
+        case 'j':
+            break;
+        case KEY_DOWN:
+        case 'k':
+            break;
+        case KEY_RIGHT:
+        case 'l':
+            break;
+        case KEY_UP:
+        case ' ':
+        case 'i':
+        case 'o':
+            break;
+        case 'p':
+            mode = (mode == 0) ? 1 : 0; 
+            break;
+        case KEY_ESC:
+        case 'q':
+            stop = 1;
+            break;
+        case 's':
+            savename = savewindow (savelen, xsave, ysave);
+            if (savename != NULL) {
+                char *ptr = saveboard (board);
+                if (writedata (savename, ptr)) {
+                    VERBOSE (WARNING, printf ("issue writing Board\n"));
+                }
+                free (ptr);
+                free (savename);
+            }
+            break;
+        case KEY_BACKSPACE:
+        case KEY_DELETE:
+        case 127:
+        case '\b':
+        case 'u':
+            break;
+        //case ERR:
+        //default:
+        }
+    }
+
+    endwin ();
+
+    freeboard (board);
+
+    return 0;
+}
+
+/* test: tetris.exe -f 2>&1 | grep 'no file' */
+/* test: tetris.exe -f tests/nofile.ttr 2>&1 | grep "can't read file" */
+/* test: tetris.exe -f tests/bogus.ttr 2>&1 | grep 'incorrect file' */
+/* test: tetris.exe -h | grep usage */
+/* test: tetris.exe -s 2>&1 | grep 'no scale' */
+/* test: tetris.exe -s 4 2>&1 | grep incorrect */
+/* test: tetris.exe -v 2>&1 | grep missing */
+/* test: tetris.exe _ 2>&1 | grep invalid */
+
+/* vim: set ts=4 sw=4 et: */
diff --git a/type.h b/type.h
new file mode 100644
index 0000000..3c66510
--- /dev/null
+++ b/type.h
@@ -0,0 +1,19 @@
+#ifndef __TYPE_H__
+#define __TYPE_H__
+
+typedef struct {
+    int width;
+    int height;
+    char *tab;
+    char *current;
+    int scale;
+    int xsize;
+    int ysize;
+    int xoffset;
+    int yoffset;
+    int next;
+} board_t;
+
+#endif /* __TYPE_H__ */
+
+/* vim: set ts=4 sw=4 et: */