X-Git-Url: https://plomlompom.com/repos/berlin_corona.txt?a=blobdiff_plain;ds=sidebyside;f=roguelike.c;h=4e369bc75875e165758d2223cb416281683c50e2;hb=b34c99f3322baff9eefdc567691101c9fd39dc45;hp=6d75aa949ae181b5afd9ac783874905fde314d17;hpb=e8f215126791c763c3168b9bb9083294a42b606c;p=plomrogue

diff --git a/roguelike.c b/roguelike.c
index 6d75aa9..4e369bc 100644
--- a/roguelike.c
+++ b/roguelike.c
@@ -2,17 +2,16 @@
 #include <string.h>
 #include <stdio.h>
 #include <stdlib.h>
-#include <math.h>
 #include "windows.h"
 
-struct Map {
-  int width;
-  int height;
-  int offset_x;
-  int offset_y;
-  int player_x;
-  int player_y;
-  char * cells; };
+struct World {
+  struct KeyBinding * keybindings;
+  struct KeysWinData * keyswindata;
+  int turn;
+  char * log;
+  struct Map * map;
+  struct Monster * monster;
+  struct Player * player; };
 
 struct KeyBinding {
   char * name;
@@ -23,9 +22,37 @@ struct KeysWinData {
   char edit;
   int select; };
 
-struct World {
-  struct KeyBinding * keybindings;
-  struct KeysWinData * keyswindata; };
+struct Map {
+  int width;
+  int height;
+  int offset_x;
+  int offset_y;
+  char * cells; };
+
+struct Player {
+  int y;
+  int x; };
+
+struct Monster {
+  int y;
+  int x; };
+
+void draw_with_linebreaks (struct Win *, char *, int);
+void draw_text_from_bottom (struct Win *, char *);
+void draw_log (struct Win *);
+void draw_map (struct Win *);
+void draw_info (struct Win *);
+void draw_keys_window (struct Win *);
+void toggle_window (struct WinMeta *, struct Win *);
+void init_keybindings(struct World *);
+struct Map init_map ();
+void update_info (struct World *);
+void update_log (struct World *, char *);
+void save_keybindings(struct World *);
+int get_action_key (struct KeyBinding *, char *);
+char * get_keyname(int);
+char is_passable (struct World *, int, int);
+void move_player (struct World *, char);
 
 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.
@@ -43,7 +70,7 @@ void draw_with_linebreaks (struct Win * win, char * text, int start_y) {
            toggle = 1;
            continue; }
          else
-           mvwaddch(win->curses_win, y, x, text[z]);
+           mvwaddch(win->curses, y, x, text[z]);
          if ('\n' == text[z+1]) {
            z++;
            toggle = 1; }
@@ -51,18 +78,17 @@ void draw_with_linebreaks (struct Win * win, char * text, int start_y) {
             toggle = 1;
             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;
+void draw_text_from_bottom (struct Win * win, char * text) {
+// Draw text from end/bottom to the top.
   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
-    for (x = 0; x < win->width; x++) {  // available width, but infinite height.
+  for (y = 0; 0 == toggle; y++)                           // Determine number of lines text would have in
+    for (x = 0; x < win->width; x++) {                    // a window of 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
-      if ('\n' == text[z+1]) {          // themselves.
+      if ('\n' == text[z])            // Treat \n and \0 as control characters for incrementing y and stopping
+        break;                        // the loop. Make sure they don't count as cell space themselves.
+      if ('\n' == text[z+1]) {
         z++;
         break; }
       else if (0 == text[z+1]) {
@@ -85,122 +111,41 @@ void draw_text_from_bottom (struct Win * win) {
     text = text + (sizeof(char) * (z + 1)); }
   draw_with_linebreaks(win, text, start_y); }
 
+void draw_log (struct Win * win) {
+// Draw log text from world struct in win->data from bottom to top.
+  struct World * world = (struct World *) win->data;
+  draw_text_from_bottom(win, world->log); }
+
 void draw_map (struct Win * win) {
 // Draw map determined by win->data Map struct into window. Respect offset.
-  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;
+  struct World * world = (struct World *) win->data;
+  struct Map * map = world->map;
+  struct Player * player = world->player;
+  struct Monster * monster = world->monster;
+  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 < win->height; y++) {
-    z = map.offset_x + (map.offset_y + y) * (map.width);
+    z = map->offset_x + (map->offset_y + y) * (map->width);
     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, x, '@');
+        if (z == (map->width * player->y) + player->x)
+          mvwaddch(win->curses, y, x, '@');
+        else if (z == (map->width * monster->y) + monster->x)
+          mvwaddch(win->curses, y, x, 'M');
         else
-          mvwaddch(win->curses_win, y, x, cells[z]);
+          mvwaddch(win->curses, y, x, cells[z]);
         z++; } } } }
 
 void draw_info (struct Win * win) {
 // Draw info window by appending win->data integer value to "Turn: " display.
-  int count = * (int *) win->data;
+  struct World * world = (struct World *) win->data;
+  int count = world->turn;
   char text[100];
   snprintf(text, 100, "Turn: %d", count);
   draw_with_linebreaks(win, text, 0); }
 
-void toggle_window (struct WinMeta * win_meta, struct Win * win) {
-// Toggle display of window win.
-  if (0 != win->curses_win)
-    suspend_window(win_meta, win);
-  else
-    append_window(win_meta, win); }
-
-struct Map init_map () {
-// Initialize map with some experimental start values.
-  struct Map map;
-  map.width = 128;
-  map.height = 128;
-  map.offset_x = 0;
-  map.offset_y = 0;
-  map.player_x = 2;
-  map.player_y = 2;
-  map.cells = malloc(map.width * map.height);
-  int x, y;
-  for (y = 0; y < map.height; y++)
-    for (x = 0; x < map.width; x++)
-      map.cells[(y * map.width) + x] = '.';
-  map.cells[(5 * map.width) + 5] = 'X';
-  map.cells[(3 * map.width) + 8] = 'X';
-  map.cells[(8 * map.width) + 3] = 'X';
-  return map; }
-
-void update_info (struct Win * win) {
-// Update info data by incrementing turn value.
-  * (int *) win->data = * (int *) win->data + 1; }
-
-void update_log (struct Win * win, char * text) {
-// Update log with new text to be appended.
-  char * new_text;
-  int len_old = strlen(win->data);
-  int len_new = strlen(text);
-  int len_whole = len_old + len_new + 1;
-  new_text = calloc(len_whole, sizeof(char));
-  memcpy(new_text, win->data, len_old);
-  memcpy(new_text + len_old, text, len_new);
-  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;
@@ -229,13 +174,20 @@ void draw_keys_window (struct Win * win) {
     free(keyname);
     for (x = 0; x < win->width; x++)
       if (x < strlen(keydesc))
-        mvwaddch(win->curses_win, y, x, keydesc[x] | attri);
+        mvwaddch(win->curses, 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);
+        mvwaddch(win->curses, y, x, keybindings[y + offset].name[x - strlen(keydesc) - 1] | attri);
       else
-        mvwaddch(win->curses_win, y, x, ' ' | attri); }
+        mvwaddch(win->curses, y, x, ' ' | attri); }
   free(keydesc); }
 
+void toggle_window (struct WinMeta * win_meta, struct Win * win) {
+// Toggle display of window win.
+  if (0 != win->curses)
+    suspend_window(win_meta, win);
+  else
+    append_window(win_meta, win); }
+
 void init_keybindings(struct World * world) {
 // Initialize keybindings from file "keybindings".
   FILE * file = fopen("keybindings", "r");
@@ -248,43 +200,22 @@ void init_keybindings(struct World * world) {
     c = getc(file);
     if ('\n' == c) {
       if (c_count > linemax)
-        linemax = c_count;
+        linemax = c_count + 1;
       c_count = 0;
       lines++; } }
   struct KeyBinding * keybindings = malloc(lines * sizeof(struct KeyBinding));
   fseek(file, 0, SEEK_SET);
   char * command = malloc(linemax);
   int commcount = 0;
-  char * digits = malloc(3);
-  int digicount = 0;
-  int key, digimax;
-  int keycount = 0;
-  c = getc(file);
-  while (EOF != c) {
-    if ('\n' == c) {
-      keybindings[keycount].name = calloc(commcount + 1, 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); }
+  char * cmdptr;
+  while (fgets(command, linemax, file)) {
+    keybindings[commcount].key = atoi(command);
+    cmdptr = strchr(command, ' ') + 1;
+    keybindings[commcount].name = malloc(strlen(cmdptr));
+    memcpy(keybindings[commcount].name, cmdptr, strlen(cmdptr) - 1);
+    keybindings[commcount].name[strlen(cmdptr) - 1] = '\0';
+    commcount++; }
   free(command);
-  free(digits);
   fclose(file);
   struct KeysWinData * keyswindata = malloc(sizeof(struct KeysWinData));
   keyswindata->max = lines - 1;
@@ -293,6 +224,44 @@ void init_keybindings(struct World * world) {
   world->keybindings = keybindings;
   world->keyswindata = keyswindata; }
 
+struct Map init_map () {
+// Initialize map with some experimental start values.
+  struct Map map;
+  map.width = 96;
+  map.height = 32;
+  map.offset_x = 0;
+  map.offset_y = 0;
+  map.cells = malloc(map.width * map.height);
+  int x, y, ran;
+  char terrain;
+  for (y = 0; y < map.height; y++)
+    for (x = 0; x < map.width; x++) {
+      terrain = '.';
+      ran = rand();
+      if (   0 == ran % ((x*x) / 3 + 1)
+          || 0 == ran % ((y*y) / 3 + 1)
+          || 0 == ran % ((map.width - x - 1) * (map.width - x - 1) / 3 + 1)
+          || 0 == ran %((map.height - y - 1) * (map.height - y - 1) / 3 + 1))
+        terrain = ' ';
+      map.cells[(y * map.width) + x] = terrain; }
+  return map; }
+
+void update_info (struct World * world) {
+// Update info data by incrementing turn value.
+  world->turn++; }
+
+void update_log (struct World * world, char * text) {
+// Update log with new text to be appended.
+  char * new_text;
+  int len_old = strlen(world->log);
+  int len_new = strlen(text);
+  int len_whole = len_old + len_new + 1;
+  new_text = calloc(len_whole, sizeof(char));
+  memcpy(new_text, world->log, len_old);
+  memcpy(new_text + len_old, text, len_new);
+  free(world->log);
+  world->log = new_text; }
+
 void save_keybindings(struct World * world) {
 // Write keybindings to keybindings file.
   struct KeysWinData * keyswindata = (struct KeysWinData *) world->keyswindata;
@@ -303,7 +272,7 @@ void save_keybindings(struct World * world) {
   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
+  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);
@@ -311,9 +280,119 @@ void save_keybindings(struct World * world) {
   free(line);
   fclose(file); }
 
+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;  }
+
+char is_passable (struct World * world, int x, int y) {
+// Check if coordinate on (or beyond) map is accessible to movement.
+  char passable = 0;
+  if (0 <= x && x < world->map->width && 0 <= y && y < world->map->height)
+    if (   '.' == world->map->cells[y * world->map->width + x]
+        && (y != world->monster->y || x != world->monster->x))
+      passable = 1;
+  return passable; }
+
+void move_player (struct World * world, char d) {
+// Move player in direction d, increment turn counter and update log.
+  static char prev = 0;
+  char success = 0;
+  char * dir;
+  if ('s' == d) {
+    dir = "south";
+    if (is_passable(world, world->player->x, world->player->y + 1)) {
+      world->player->y++;
+      success = 1; } }
+  else if ('n' == d) {
+    dir = "north";
+    if (is_passable(world, world->player->x, world->player->y - 1)) {
+      world->player->y--;
+      success = 1; } }
+  else if ('w' == d) {
+    dir = "west";
+    if (is_passable(world, world->player->x - 1, world->player->y)) {
+      world->player->x--;
+      success = 1; } }
+  else if ('e' == d) {
+    dir = "east";
+    if (is_passable(world, world->player->x + 1, world->player->y)) {
+      world->player->x++;
+      success = 1; } }
+  if (success * d == prev)
+    update_log (world, ".");
+  else {
+  char * msg = calloc(25, sizeof(char));
+    char * msg_content = "You fail to move";
+    if (success)
+      msg_content = "You move";
+    sprintf(msg, "\n%s %s.", msg_content, dir);
+    update_log (world, msg);
+    free(msg); }
+  prev = success * d;
+  update_info (world); }
+
 int main () {
   struct World world;
   init_keybindings(&world);
+  world.turn = 0;
+  world.log = calloc(1, sizeof(char));
+  update_log (&world, "Start!");
+  struct Map map = init_map();
+  world.map = &map;
+  struct Player player;
+  player.y = 16;
+  player.x = 16;
+  world.player = &player;
+  struct Monster monster;
+  monster.y = 16;
+  monster.x = 80;
+  world.monster = &monster;
 
   WINDOW * screen = initscr();
   noecho();
@@ -325,21 +404,15 @@ int main () {
   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();
-  win_map.data = &map;
-
+  win_map.data = &world;
   struct Win win_info = init_window(&win_meta, "Info");
   win_info.draw = draw_info;
-  win_info.data = malloc(sizeof(int));
-  * (int *) win_info.data = 0;
-
+  win_info.data = &world;
   struct Win win_log = init_window(&win_meta, "Log");
-  win_log.draw = draw_text_from_bottom;
-  win_log.data = calloc(1, sizeof(char));
-  update_log (&win_log, "Start!");
+  win_log.draw = draw_log;
+  win_log.data = &world;
 
   int key;
   while (1) {
@@ -396,33 +469,24 @@ int main () {
       map.offset_x++;
     else if (key == get_action_key(world.keybindings, "map left") && map.offset_x > 0)
       map.offset_x--;
-    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++; }
-    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--; }
-    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++; }
-    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--; }
+    else if (key == get_action_key(world.keybindings, "player down"))
+      move_player(&world, 's');
+    else if (key == get_action_key(world.keybindings, "player up"))
+      move_player(&world, 'n');
+    else if (key == get_action_key(world.keybindings, "player right"))
+      move_player(&world, 'e');
+    else if (key == get_action_key(world.keybindings, "player left"))
+      move_player(&world, 'w');
     else if (key == get_action_key(world.keybindings, "wait") ) {
-      update_info (&win_info);
-      update_log (&win_log, "\nYou wait."); } }
+      update_info (&world);
+      update_log (&world, "\nYou wait."); } }
 
   free(map.cells);
   for (key = 0; key <= world.keyswindata->max; key++)
     free(world.keybindings[key].name);
   free(world.keybindings);
   free(world.keyswindata);
-  free(win_info.data);
-  free(win_log.data);
+  free(world.log);
 
   endwin();
   return 0; }