X-Git-Url: https://plomlompom.com/repos/?a=blobdiff_plain;f=roguelike.c;h=0e7012e15f8e0ccc07dcb0cea8ab5489d11827b6;hb=ceac4818f8615019c072abda374d2c723fa65b78;hp=c2e4510efc800123c17033479c75539c5e0957e2;hpb=a3c0f0cc2892e7efdaa4c85c844aa4b1ad1e077f;p=plomrogue

diff --git a/roguelike.c b/roguelike.c
index c2e4510..0e7012e 100644
--- a/roguelike.c
+++ b/roguelike.c
@@ -2,6 +2,7 @@
 #include <string.h>
 #include <stdio.h>
 #include <stdlib.h>
+#include <math.h>
 #include "windows.h"
 
 struct Map {
@@ -13,45 +14,51 @@ struct Map {
   int player_y;
   char * cells; };
 
+struct KeyBinding {
+  char * name;
+  int key; };
+
+struct KeysWinData {
+  int max;
+  char edit;
+  int select; };
+
+struct World {
+  struct KeyBinding * keybindings;
+  struct KeysWinData * keyswindata; };
+
 void draw_with_linebreaks (struct Win * win, char * text, int start_y) {
 // Write text into window content space. Start on row start_y. Fill unused rows with whitespace.
   int x, y;
   char toggle;
-  int height_av = win->height - 1;
-  int width_av = win->width - 1;
   char fin = 0;
   int z = -1;
-  for (y = start_y; y < height_av; y++) {
+  for (y = start_y; y < win->height; y++) {
     if (0 == fin)
       toggle = 0;
-    for (x = 0; x < width_av; x++) {
+    for (x = 0; x < win->width; x++) {
        if (0 == toggle) {
          z++;
          if ('\n' == text[z]) {
-           mvwaddch(win->curses_win, y+1, x+win->border_left, ' ');
            toggle = 1;
            continue; }
          else
-           mvwaddch(win->curses_win, y+1, x+win->border_left, text[z]);
+           mvwaddch(win->curses_win, y, x, text[z]);
          if ('\n' == text[z+1]) {
            z++;
            toggle = 1; }
          else if (0 == text[z+1]) {
             toggle = 1;
-            fin = 1; } }
-       else
-         mvwaddch(win->curses_win, y+1, x+win->border_left, ' '); } } }
+            fin = 1; } } } } }
 
 void draw_text_from_bottom (struct Win * win) {
 // Draw text in win->data from end/bottom to the top.
   char * text = (char *) win->data;
-  int width_av = win->width - 1;
-  int height_av = win->height - 1;
   char toggle = 0;
   int x, y, offset;
   int z = -1;
-  for (y = 0; 0 == toggle; y++)         // Determine number of lines text would have in a window of available
-    for (x = 0; x < width_av; x++) {    // width, but infinite height.
+  for (y = 0; 0 == toggle; y++)         // Determine number of lines text would have in a window of
+    for (x = 0; x < win->width; x++) {  // available width, but infinite height.
       z++;
       if ('\n' == text[z])              // Treat \n and \0 as control characters for incrementing y and
         break;                          // stopping the loop. Make sure they don't count as cell space
@@ -63,15 +70,12 @@ void draw_text_from_bottom (struct Win * win) {
         break; } }
   z = -1;
   int start_y = 0;
-  if (y < height_av) {             // Depending on what is bigger, determine start point in window or in text.
-    start_y = height_av - y;
-    for (y = 0; y < start_y; y++)
-      for (x = 0; x < width_av; x++)
-        mvwaddch(win->curses_win, y+1, x+win->border_left, ' '); }
-  else if (y > height_av) {
-    offset = y - height_av;
+  if (y < win->height)             // Depending on what is bigger, determine start point in window or in text.
+    start_y = win->height - y;
+  else if (y > win->height) {
+    offset = y - win->height;
     for (y = 0; y < offset; y++)
-      for (x = 0; x < width_av; x++) {
+      for (x = 0; x < win->width; x++) {
         z++;
         if ('\n' == text[z])
           break;
@@ -83,24 +87,20 @@ void draw_text_from_bottom (struct Win * win) {
 
 void draw_map (struct Win * win) {
 // Draw map determined by win->data Map struct into window. Respect offset.
-  int height_av = win->height - 1;
-  int width_av = win->width - 1;
   struct Map map = * (struct Map *) win->data;
   char * cells = map.cells;
   int width_map_av = map.width - map.offset_x;
   int height_map_av = map.height - map.offset_y;
   int x, y, z;
-  for (y = 0; y < height_av; y++) {
+  for (y = 0; y < win->height; y++) {
     z = map.offset_x + (map.offset_y + y) * (map.width);
-    for (x = 0; x < width_av; x++) {
+    for (x = 0; x < win->width; x++) {
       if (y < height_map_av && x < width_map_av) {
         if (z == (map.width * map.player_y) + map.player_x)
-          mvwaddch(win->curses_win, y+1, x+win->border_left, '@');
+          mvwaddch(win->curses_win, y, x, '@');
         else
-          mvwaddch(win->curses_win, y+1, x+win->border_left, cells[z]);
-        z++; }
-      else
-        mvwaddch(win->curses_win, y+1, x+win->border_left, ' '); } } }
+          mvwaddch(win->curses_win, y, x, cells[z]);
+        z++; } } } }
 
 void draw_info (struct Win * win) {
 // Draw info window by appending win->data integer value to "Turn: " display.
@@ -151,12 +151,181 @@ void update_log (struct Win * win, char * text) {
   free(win->data);
   win->data = new_text; }
 
+int get_action_key (struct KeyBinding * keybindings, char * name) {
+// Return key matching name in keybindings.
+  int i = 0;
+  while (strcmp(keybindings[i].name, name) )
+    i++;
+  return keybindings[i].key; }
+
+char * get_keyname(int keycode) {
+// Translate some keycodes to readable names of max 9 chars.
+  char * keyname;
+  keyname = malloc(15);
+  if (32 < keycode && keycode < 127)
+    sprintf(keyname, "%c", keycode);
+  else if (keycode == 9)
+    sprintf(keyname, "TAB");
+  else if (keycode == 10)
+    sprintf(keyname, "RETURN");
+  else if (keycode == 27)
+    sprintf(keyname, "ESCAPE");
+  else if (keycode == 32)
+    sprintf(keyname, "SPACE");
+  else if (keycode == KEY_UP)
+    sprintf(keyname, "UP");
+  else if (keycode == KEY_DOWN)
+    sprintf(keyname, "DOWN");
+  else if (keycode == KEY_LEFT)
+    sprintf(keyname, "LEFT");
+  else if (keycode == KEY_RIGHT)
+    sprintf(keyname, "RIGHT");
+  else if (keycode == KEY_HOME)
+    sprintf(keyname, "HOME");
+  else if (keycode == KEY_BACKSPACE)
+    sprintf(keyname, "BACKSPACE");
+  else if (keycode >= KEY_F0 && keycode <= KEY_F(63)) {
+    int f = keycode - KEY_F0;
+    sprintf(keyname, "F%d", f); }
+  else if (keycode == KEY_DC)
+    sprintf(keyname, "DELETE");
+  else if (keycode == KEY_IC)
+    sprintf(keyname, "INSERT");
+  else if (keycode == KEY_NPAGE)
+    sprintf(keyname, "NEXT PAGE");
+  else if (keycode == KEY_PPAGE)
+    sprintf(keyname, "PREV PAGE");
+  else if (keycode == KEY_END)
+    sprintf(keyname, "END");
+  else
+    sprintf(keyname, "(unknown)");
+  return keyname;  }
+
+void draw_keys_window (struct Win * win) {
+// Draw keybinding window.
+  struct World * world = (struct World *) win->data;
+  struct KeysWinData * keyswindata = (struct KeysWinData *) world->keyswindata;
+  struct KeyBinding * keybindings = world->keybindings;
+  int offset = 0;
+  if (keyswindata->max >= win->height) {
+    if (keyswindata->select > win->height / 2)
+      if (keyswindata->select < (keyswindata->max - (win->height / 2)))
+        offset = keyswindata->select - (win->height / 2);
+      else
+        offset = keyswindata->max - win->height + 1; }
+  int keydescwidth = 9 + 1; // max length assured by get_keyname() + \0
+  char * keydesc = malloc(keydescwidth);
+  attr_t attri;
+  int y, x;
+  char * keyname;
+  for (y = 0; 0 != keybindings[offset + y].name && y < win->height; y++) {
+    attri = 0;
+    if (y == keyswindata->select - offset) {
+      attri = A_REVERSE;
+      if (1 == keyswindata->edit)
+        attri = attri | A_BLINK; }
+    keyname = get_keyname(keybindings[y + offset].key);
+    snprintf(keydesc, keydescwidth, "%-9s", keyname);
+    free(keyname);
+    for (x = 0; x < win->width; x++)
+      if (x < strlen(keydesc))
+        mvwaddch(win->curses_win, y, x, keydesc[x] | attri);
+      else if (strlen(keydesc) < x && x < strlen(keybindings[y + offset].name) + strlen(keydesc) + 1)
+        mvwaddch(win->curses_win, y, x, keybindings[y + offset].name[x - strlen(keydesc) - 1] | attri);
+      else
+        mvwaddch(win->curses_win, y, x, ' ' | attri); }
+  free(keydesc); }
+
+void init_keybindings(struct World * world) {
+// Initialize keybindings from file "keybindings".
+  FILE * file = fopen("keybindings", "r");
+  int lines = 0;
+  int c = 0;
+  int linemax = 0;
+  int c_count = 0;
+  while (EOF != c) {
+    c_count++;
+    c = getc(file);
+    if ('\n' == c) {
+      if (c_count > linemax)
+        linemax = c_count;
+      c_count = 0;
+      lines++; } }
+  struct KeyBinding * keybindings = malloc(lines * sizeof(struct KeyBinding));
+  fseek(file, 0, SEEK_SET);
+  char * command = malloc(linemax);
+  char commcount = 0;
+  char * digits = malloc(3);
+  char digicount = 0;
+  int key, digimax;
+  int keycount = 0;
+  c = getc(file);
+  while (EOF != c) {
+    if ('\n' == c) {
+      keybindings[keycount].name = calloc(commcount, sizeof(char));
+      memcpy(keybindings[keycount].name, command, commcount);
+      keybindings[keycount].key = key;
+      keycount++;
+      digicount = 0;
+      commcount = 0; }
+    else if (-1 != digicount)
+      if (' ' == c) {
+        key = 0;
+        digimax = digicount - 1;
+        while (digicount > 0) {
+          digicount--;
+          key = key + ((digits[digicount] - 48) * pow(10, digimax - digicount)); }
+        digicount = -1; }
+      else {
+        digits[digicount] = c;
+        digicount++; }
+    else {
+      command[commcount] = c;
+      commcount++; }
+    c = getc(file); }
+  free(command);
+  free(digits);
+  fclose(file);
+  struct KeysWinData * keyswindata = malloc(sizeof(struct KeysWinData));
+  keyswindata->max = lines - 1;
+  keyswindata->select = 0;
+  keyswindata->edit = 0;
+  world->keybindings = keybindings;
+  world->keyswindata = keyswindata; }
+
+void save_keybindings(struct World * world) {
+// Write keybindings to keybindings file.
+  struct KeysWinData * keyswindata = (struct KeysWinData *) world->keyswindata;
+  struct KeyBinding * keybindings = world->keybindings;
+  FILE * file = fopen("keybindings", "w");
+  int linemax = 0;
+  int i;
+  for (i = 0; i <= keyswindata->max; i++)
+    if (strlen(keybindings[i].name) > linemax)
+      linemax = strlen(keybindings[i].name);
+  linemax = linemax + 6; // + 6 = + 3 digits + whitespace + newline + null byte
+  char * line = malloc(linemax);
+  for (i = 0; i <= keyswindata->max; i++) {
+    snprintf(line, linemax, "%d %s\n", keybindings[i].key, keybindings[i].name);
+    fwrite(line, sizeof(char), strlen(line), file); }
+  free(line);
+  fclose(file); }
+
 int main () {
+  struct World world;
+  init_keybindings(&world);
+
   WINDOW * screen = initscr();
   noecho();
   curs_set(0);
+  keypad(screen, TRUE);
+  raw();
   struct WinMeta win_meta = init_win_meta(screen);
 
+  struct Win win_keys = init_window(&win_meta, "Keys");
+  win_keys.draw = draw_keys_window;
+  win_keys.data = &world;
+
   struct Win win_map = init_window(&win_meta, "Map");
   win_map.draw = draw_map;
   struct Map map = init_map();
@@ -172,69 +341,80 @@ int main () {
   win_log.data = calloc(1, sizeof(char));
   update_log (&win_log, "Start!");
 
-  char key;
+  int key;
   while (1) {
+    draw_all_windows (&win_meta);
     key = getch();
-    if      (key == 'Q')                                    // quit
+    if      (key == get_action_key(world.keybindings, "quit"))
       break;
-    else if (key == '1')                                    // toggle map window
+    else if (key == get_action_key(world.keybindings, "scroll pad right"))
+      win_meta.pad_offset++;
+    else if (key == get_action_key(world.keybindings, "scroll pad left") && win_meta.pad_offset > 0)
+      win_meta.pad_offset--;
+    else if (key == get_action_key(world.keybindings, "toggle keys window"))
+      toggle_window(&win_meta, &win_keys);
+    else if (key == get_action_key(world.keybindings, "toggle map window"))
       toggle_window(&win_meta, &win_map);
-    else if (key == '2')                                    // toggle info window
+    else if (key == get_action_key(world.keybindings, "toggle info window"))
       toggle_window(&win_meta, &win_info);
-    else if (key == '3')                                    // toggle log window
+    else if (key == get_action_key(world.keybindings, "toggle log window"))
       toggle_window(&win_meta, &win_log);
-    else if (key == 'x') {                                  // scroll map down
-      map.offset_y++;
-      draw_all_windows (&win_meta); }
-    else if (key == 'w' && map.offset_y > 0) {              // scroll map up
+    else if (key == get_action_key(world.keybindings, "cycle forwards") && win_meta.active != 0)
+      cycle_active_window(&win_meta, 'n');
+    else if (key == get_action_key(world.keybindings, "cycle backwards") && win_meta.active != 0)
+      cycle_active_window(&win_meta, 'p');
+    else if (key == get_action_key(world.keybindings, "shift forwards")  && win_meta.active != 0)
+      shift_window(&win_meta, 'f');
+    else if (key == get_action_key(world.keybindings, "shift backwards") && win_meta.active != 0)
+      shift_window(&win_meta, 'b');
+    else if (key == get_action_key(world.keybindings, "grow horizontally") && win_meta.active != 0)
+      resize_window(&win_meta, '*');
+    else if (key == get_action_key(world.keybindings, "shrink horizontally") && win_meta.active != 0)
+      resize_window(&win_meta, '_');
+    else if (key == get_action_key(world.keybindings, "grow vertically") && win_meta.active != 0)
+      resize_window(&win_meta, '+');
+    else if (key == get_action_key(world.keybindings, "shrink vertically") && win_meta.active != 0)
+      resize_window(&win_meta, '-');
+    else if (key == get_action_key(world.keybindings, "save keys"))
+      save_keybindings(&world);
+    else if (key == get_action_key(world.keybindings, "keys nav up") && world.keyswindata->select > 0)
+      world.keyswindata->select--;
+    else if (key == get_action_key(world.keybindings, "keys nav down") && world.keyswindata->select < world.keyswindata->max)
+      world.keyswindata->select++;
+    else if (key == get_action_key(world.keybindings, "keys mod")) {
+      world.keyswindata->edit = 1;
+      draw_all_windows (&win_meta);
+      key = getch();
+      if (key < 1000) // ensure maximum of three digits in key code field
+        world.keybindings[world.keyswindata->select].key = key;
+      world.keyswindata->edit = 0; }
+    else if (key == get_action_key(world.keybindings, "map up") && map.offset_y > 0)
       map.offset_y--;
-      draw_all_windows (&win_meta); }
-    else if (key == 'd') {                                  // scroll map right
+    else if (key == get_action_key(world.keybindings, "map down"))
+      map.offset_y++;
+    else if (key == get_action_key(world.keybindings, "map right"))
       map.offset_x++;
-      draw_all_windows (&win_meta); }
-    else if (key == 'a' && map.offset_x > 0) {              // scroll map left
+    else if (key == get_action_key(world.keybindings, "map left") && map.offset_x > 0)
       map.offset_x--;
-      draw_all_windows (&win_meta); }
-    else if (key == 'b' && map.player_y < map.height - 1) { // move player south
+    else if (key == get_action_key(world.keybindings, "player down") && map.player_y < map.height - 1) {
       update_info (&win_info);
       update_log (&win_log, "\nYou move south.");
-      map.player_y++;
-      draw_all_windows (&win_meta); }
-    else if (key == 't' && map.player_y > 0) {              // move player north
+      map.player_y++; }
+    else if (key == get_action_key(world.keybindings, "player up") && map.player_y > 0) {
       update_info (&win_info);
       update_log (&win_log, "\nYou move north.");
-      map.player_y--;
-      draw_all_windows (&win_meta); }
-    else if (key == 'h' && map.player_x < map.width - 1) {  // move player east
+      map.player_y--; }
+    else if (key == get_action_key(world.keybindings, "player right") && map.player_x < map.width - 1) {
       update_info (&win_info);
       update_log (&win_log, "\nYou move east.");
-      map.player_x++;
-      draw_all_windows (&win_meta); }
-    else if (key == 'f' && map.player_x > 0) {              // move player west
+      map.player_x++; }
+    else if (key == get_action_key(world.keybindings, "player left") && map.player_x > 0) {
       update_info (&win_info);
       update_log (&win_log, "\nYou move west.");
-      map.player_x--;
-      draw_all_windows (&win_meta); }
-    else if (key == '.') {                                  // wait
+      map.player_x--; }
+    else if (key == get_action_key(world.keybindings, "wait") ) {
       update_info (&win_info);
-      update_log (&win_log, "\nYou wait.");
-      draw_all_windows(&win_meta); }
-    else if (key == '>' && win_meta.active != 0)            // cycle forwards
-      cycle_active_window(&win_meta, 'n');
-    else if (key == '<' && win_meta.active != 0)            // cycle backwards
-      cycle_active_window(&win_meta, 'p');
-    else if (key == 'y' && win_meta.active != 0)            // shift window forwards
-      shift_window(&win_meta, 'f');
-    else if (key == 'Y' && win_meta.active != 0)            // shift window backwards
-      shift_window(&win_meta, 'b');
-    else if (key == '*' && win_meta.active != 0)            // grow window horizontally
-      resize_window(&win_meta, '*');
-    else if (key == '_' && win_meta.active != 0)            // shrink window horizontally
-      resize_window(&win_meta, '_');
-    else if (key == '+' && win_meta.active != 0)            // grow window vertically
-      resize_window(&win_meta, '+');
-    else if (key == '-' && win_meta.active != 0)            // shrink window vertically
-      resize_window(&win_meta, '-'); }
+      update_log (&win_log, "\nYou wait."); } }
 
   endwin();
   return 0; }