Move f_info into GameEditData

32 files changed, 185 insertions, 110 deletions

diff --git a/lib/edit/misc.txt b/lib/edit/misc.txt
index 02e286b4..fb7fdbd6 100644
--- a/lib/edit/misc.txt
+++ b/lib/edit/misc.txt
@@ -15,9 +15,6 @@ M:Y:66
 # Maximum number of items in k_info.txt
 M:K:819
 
-# Maximum number of terrain features in f_info.txt
-M:F:256
-
 # Maximum number of artifacts in a_info.txt
 M:A:219
 
diff --git a/lib/mods/theme/edit/misc.txt b/lib/mods/theme/edit/misc.txt
index 19077acb..47587f9e 100644
--- a/lib/mods/theme/edit/misc.txt
+++ b/lib/mods/theme/edit/misc.txt
@@ -15,9 +15,6 @@ M:Y:66
 # Maximum number of items in k_info.txt
 M:K:886
 
-# Maximum number of terrain features in f_info.txt
-M:F:249
-
 # Maximum number of artifacts in a_info.txt
 M:A:257
 
diff --git a/src/cave.cc b/src/cave.cc
index 08482dcc..515a66d3 100644
--- a/src/cave.cc
+++ b/src/cave.cc
@@ -70,15 +70,15 @@ int distance(int y1, int x1, int y2, int x2)
  */
 static bool_ is_wall(cave_type *c_ptr)
 {
-	byte feat;
-
+	auto const &f_info = game->edit_data.f_info;
 
 	/* Handle feature mimics */
-	if (c_ptr->mimic) feat = c_ptr->mimic;
-	else feat = c_ptr->feat;
+	byte const feat = c_ptr->mimic
+		? c_ptr->mimic
+		: c_ptr->feat;
 
 	/* Paranoia */
-	if (feat >= max_f_idx) return FALSE;
+	if (feat >= f_info.size()) return FALSE;
 
 	/* Vanilla floors and doors aren't considered to be walls */
 	if (feat < FEAT_SECRET) return FALSE;
@@ -850,6 +850,7 @@ static void map_info(int y, int x, byte *ap, char *cp)
 {
 	auto const &st_info = game->edit_data.st_info;
 	auto const &r_info = game->edit_data.r_info;
+	auto const &f_info = game->edit_data.f_info;
 
 	byte a;
 
@@ -867,20 +868,13 @@ static void map_info(int y, int x, byte *ap, char *cp)
 	auto info = c_ptr->info;
 
 	/* Feature code */
-	auto feat = c_ptr->feat;
-
-	/* Apply "mimic" field */
-	if (c_ptr->mimic)
-	{
-		feat = c_ptr->mimic;
-	}
-	else
-	{
-		feat = f_info[feat].mimic;
-	}
+	auto const feat = c_ptr->mimic
+		? c_ptr->mimic
+		: f_info[c_ptr->feat].mimic
+		;
 
 	/* Access floor */
-	feature_type *f_ptr = &f_info[feat];
+	auto f_ptr = &f_info[feat];
 
 
 	/**** Layer 1 -- Terrain feature ****/
@@ -1286,6 +1280,7 @@ void map_info_default(int y, int x, byte *ap, char *cp)
 {
 	auto const &st_info = game->edit_data.st_info;
 	auto const &r_info = game->edit_data.r_info;
+	auto const &f_info = game->edit_data.f_info;
 
 	byte a;
 
@@ -1306,17 +1301,9 @@ void map_info_default(int y, int x, byte *ap, char *cp)
 	auto info = c_ptr->info;
 
 	/* Feature code */
-	auto feat = c_ptr->feat;
-
-	/* Apply "mimic" field */
-	if (c_ptr->mimic)
-	{
-		feat = c_ptr->mimic;
-	}
-	else
-	{
-		feat = f_info[feat].mimic;
-	}
+	auto const feat = c_ptr->mimic
+		? c_ptr->mimic
+		: f_info[c_ptr->feat].mimic;
 
 	/* Access floor */
 	feature_type const *f_ptr = &f_info[feat];
@@ -2001,9 +1988,9 @@ static byte priority_table[][2] =
  */
 static byte priority(byte a, char c)
 {
-	int i, p0, p1;
+	auto const &f_info = game->edit_data.f_info;
 
-	feature_type *f_ptr;
+	int i, p0, p1;
 
 	/* Scan the table */
 	for (i = 0; TRUE; i++)
@@ -2018,7 +2005,7 @@ static byte priority(byte a, char c)
 		p0 = priority_table[i][0];
 
 		/* Access the feature */
-		f_ptr = &f_info[p0];
+		auto f_ptr = &f_info[p0];
 
 		/* Check character and attribute, accept matches */
 		if ((f_ptr->x_char == c) && (f_ptr->x_attr == a)) return (p1);
@@ -3566,6 +3553,8 @@ void forget_mon_lite(void)
  */
 void update_mon_lite(void)
 {
+	auto const &f_info = game->edit_data.f_info;
+
 	int i, y, x, d;
 	int fy, fx;
 
@@ -4590,6 +4579,8 @@ bool cave_floor_bold(int y, int x)
  */
 bool cave_floor_grid(cave_type const *c)
 {
+	auto const &f_info = game->edit_data.f_info;
+
 	return (f_info[c->feat].flags & FF_FLOOR) && (c->feat != FEAT_MON_TRAP);
 }
 
@@ -4609,6 +4600,8 @@ bool cave_plain_floor_bold(int y, int x)
  */
 bool cave_plain_floor_grid(cave_type const *c)
 {
+	auto const &f_info = game->edit_data.f_info;
+
 	return
 		(f_info[c->feat].flags & FF_FLOOR) &&
 		!(f_info[c->feat].flags & FF_REMEMBER);
@@ -4635,6 +4628,8 @@ bool cave_sight_bold(int y, int x)
 
 bool cave_sight_grid(cave_type const *c)
 {
+	auto const &f_info = game->edit_data.f_info;
+
 	return !(f_info[c->feat].flags & FF_NO_VISION);
 }
 
@@ -4649,6 +4644,8 @@ bool cave_sight_grid(cave_type const *c)
  */
 bool cave_clean_bold(int y, int x)
 {
+	auto const &f_info = game->edit_data.f_info;
+
 	return
 		(f_info[cave[y][x].feat].flags & FF_FLOOR) &&
 		(cave[y][x].feat != FEAT_MON_TRAP) &&
@@ -4681,6 +4678,8 @@ bool cave_empty_bold(int y, int x)
  */
 bool cave_naked_bold(int y, int x)
 {
+	auto const &f_info = game->edit_data.f_info;
+
 	return
 		(f_info[cave[y][x].feat].flags & FF_FLOOR) &&
 		(cave[y][x].feat != FEAT_MON_TRAP) &&
@@ -4691,6 +4690,8 @@ bool cave_naked_bold(int y, int x)
 
 bool cave_naked_bold2(int y, int x)
 {
+	auto const &f_info = game->edit_data.f_info;
+
 	return
 		(f_info[cave[y][x].feat].flags & FF_FLOOR) &&
 		(cave[y][x].feat != FEAT_MON_TRAP) &&
@@ -4709,6 +4710,8 @@ bool cave_perma_bold(int y, int x)
 
 bool cave_perma_grid(cave_type const *c)
 {
+	auto const &f_info = game->edit_data.f_info;
+
 	return bool(f_info[c->feat].flags & FF_PERMANENT);
 }
 
diff --git a/src/cmd1.cc b/src/cmd1.cc
index 87ef7a6c..726916c4 100644
--- a/src/cmd1.cc
+++ b/src/cmd1.cc
@@ -2543,6 +2543,7 @@ void py_attack(int y, int x, int max_blow)
 bool_ player_can_enter(byte feature)
 {
 	auto const &r_info = game->edit_data.r_info;
+	auto const &f_info = game->edit_data.f_info;
 
 	bool_ pass_wall;
 
@@ -2737,6 +2738,7 @@ void move_player_aux(int dir, int do_pickup, int run, bool_ disarm)
 {
 	auto const &d_info = game->edit_data.d_info;
 	auto const &r_info = game->edit_data.r_info;
+	auto const &f_info = game->edit_data.f_info;
 
 	int y, x, tmp;
 
@@ -3020,11 +3022,10 @@ void move_player_aux(int dir, int do_pickup, int run, bool_ disarm)
 			/* Wall (or secret door) */
 			else
 			{
-				int feat;
-
-				if (c_ptr->mimic) feat = c_ptr->mimic;
-				else
-					feat = f_info[c_ptr->feat].mimic;
+				int const feat = c_ptr->mimic
+					? c_ptr->mimic
+					: f_info[c_ptr->feat].mimic
+					;
 
 				msg_format("You feel %s.", f_info[feat].block);
 				c_ptr->info |= (CAVE_MARK);
@@ -3271,6 +3272,8 @@ void move_player(int dir, int do_pickup, bool_ disarm)
  */
 static int see_obstacle_grid(cave_type *c_ptr)
 {
+	auto const &f_info = game->edit_data.f_info;
+
 	/*
 	 * Hack -- Avoid hitting detected traps, because we cannot rely on
 	 * the CAVE_MARK check below, and traps can be set to nearly
@@ -3630,6 +3633,8 @@ static void run_init(int dir)
  */
 static bool_ run_test(void)
 {
+	auto const &f_info = game->edit_data.f_info;
+
 	int prev_dir, new_dir, check_dir = 0;
 
 	int row, col;
diff --git a/src/cmd2.cc b/src/cmd2.cc
index 9afcb7b4..8b409f6b 100644
--- a/src/cmd2.cc
+++ b/src/cmd2.cc
@@ -1394,6 +1394,8 @@ void do_cmd_close(void)
  */
 static bool_ do_cmd_tunnel_test(int y, int x)
 {
+	auto const &f_info = game->edit_data.f_info;
+
 	/* Must have knowledge(execpt on "forget" levels) */
 	if (!(cave[y][x].info & (CAVE_MARK)))
 	{
@@ -1475,11 +1477,12 @@ static bool_ twall(int y, int x, byte feat)
 static bool_ do_cmd_tunnel_aux(int y, int x, int dir)
 {
 	auto const &d_info = game->edit_data.d_info;
+	auto const &f_info = game->edit_data.f_info;
 
 	int skill_req = 0, skill_req_1pct = 0;
 	cave_type *c_ptr = &cave[y][x];
 
-	feature_type *f_ptr = &f_info[c_ptr->feat];
+	auto f_ptr = &f_info[c_ptr->feat];
 
 	bool_ more = FALSE;
 
@@ -1920,9 +1923,9 @@ static bool_ do_cmd_disarm_chest(int y, int x, s16b o_idx)
  */
 static bool_ do_cmd_disarm_aux(int y, int x, int dir, int do_pickup)
 {
-	int i, j, power;
+	auto const &f_info = game->edit_data.f_info;
 
-	cave_type *c_ptr;
+	int i, j, power;
 
 	cptr name;
 
@@ -1933,7 +1936,7 @@ static bool_ do_cmd_disarm_aux(int y, int x, int dir, int do_pickup)
 	energy_use = 100;
 
 	/* Get grid and contents */
-	c_ptr = &cave[y][x];
+	auto c_ptr = &cave[y][x];
 
 	/* Access trap name */
 	if (t_info[c_ptr->t_idx].ident)
@@ -2353,6 +2356,8 @@ void do_cmd_bash(void)
  */
 void do_cmd_alter(void)
 {
+	auto const &f_info = game->edit_data.f_info;
+
 	int y, x, dir;
 
 	cave_type *c_ptr;
@@ -2890,6 +2895,8 @@ void do_cmd_stay(int pickup)
  */
 void do_cmd_rest(void)
 {
+	auto const &f_info = game->edit_data.f_info;
+
 	/* Can't rest on a Void Jumpgate -- too dangerous */
 	if (cave[p_ptr->py][p_ptr->px].feat == FEAT_BETWEEN)
 	{
diff --git a/src/cmd4.cc b/src/cmd4.cc
index 85ed490d..e030d452 100644
--- a/src/cmd4.cc
+++ b/src/cmd4.cc
@@ -2015,6 +2015,7 @@ void do_cmd_macros(void)
 void do_cmd_visuals(void)
 {
 	auto &r_info = game->edit_data.r_info;
+	auto &f_info = game->edit_data.f_info;
 
 	int i;
 
@@ -2219,9 +2220,9 @@ void do_cmd_visuals(void)
 			fprintf(fff, "# Feature attr/char definitions\n\n");
 
 			/* Dump features */
-			for (i = 0; i < max_f_idx; i++)
+			for (std::size_t f_idx = 0; f_idx < f_info.size(); f_idx++)
 			{
-				feature_type *f_ptr = &f_info[i];
+				auto f_ptr = &f_info[f_idx];
 
 				/* Skip non-entries */
 				if (!f_ptr->name) continue;
@@ -2230,7 +2231,7 @@ void do_cmd_visuals(void)
 				fprintf(fff, "# %s\n", f_ptr->name);
 
 				/* Dump the feature attr/char info */
-				fprintf(fff, "F:%d:0x%02X:0x%02X\n\n", i,
+				fprintf(fff, "F:%zu:0x%02X:0x%02X\n\n", f_idx,
 				        (byte)(f_ptr->x_attr), (byte)(f_ptr->x_char));
 			}
 
@@ -2365,7 +2366,7 @@ void do_cmd_visuals(void)
 			/* Hack -- query until done */
 			while (1)
 			{
-				feature_type *f_ptr = &f_info[f];
+				auto f_ptr = &f_info[f];
 
 				byte da = f_ptr->d_attr;
 				char dc = f_ptr->d_char;
@@ -2400,8 +2401,8 @@ void do_cmd_visuals(void)
 				if (i == ESCAPE) break;
 
 				/* Analyze */
-				if (i == 'n') f = (f + max_f_idx + 1) % max_f_idx;
-				if (i == 'N') f = (f + max_f_idx - 1) % max_f_idx;
+				if (i == 'n') f = (f + f_info.size() + 1) % f_info.size();
+				if (i == 'N') f = (f + f_info.size() - 1) % f_info.size();
 				if (i == 'a') f_info[f].x_attr = (ca + 1);
 				if (i == 'A') f_info[f].x_attr = (ca - 1);
 				if (i == 'c') f_info[f].x_char = (cc + 1);
diff --git a/src/dungeon.cc b/src/dungeon.cc
index c044021f..96ac89cb 100644
--- a/src/dungeon.cc
+++ b/src/dungeon.cc
@@ -898,9 +898,11 @@ static void check_music()
  */
 static void apply_effect(int y, int x)
 {
+	auto const &f_info = game->edit_data.f_info;
+
 	cave_type *c_ptr = &cave[y][x];
 
-	feature_type *f_ptr = &f_info[c_ptr->feat];
+	auto f_ptr = &f_info[c_ptr->feat];
 
 
 	if (f_ptr->d_frequency[0] != 0)
@@ -1219,6 +1221,7 @@ static void process_world(void)
 {
 	auto const &d_info = game->edit_data.d_info;
 	auto const &r_info = game->edit_data.r_info;
+	auto const &f_info = game->edit_data.f_info;
 
 	timer_type *t_ptr;
 
@@ -4186,6 +4189,8 @@ static void process_command(void)
  */
 static void process_player(void)
 {
+	auto const &f_info = game->edit_data.f_info;
+
 	int i, j;
 
 	int speed_use;
@@ -4530,17 +4535,9 @@ static void process_player(void)
 					for (i = panel_col_min; i <= panel_col_max; i++)
 					{
 						cave_type *c_ptr = &cave[j][i];
-						feature_type *f_ptr;
-
-						/* Apply terrain feature mimics */
-						if (c_ptr->mimic)
-						{
-							f_ptr = &f_info[c_ptr->mimic];
-						}
-						else
-						{
-							f_ptr = &f_info[f_info[c_ptr->feat].mimic];
-						}
+						auto f_ptr = c_ptr->mimic
+							? &f_info[c_ptr->mimic]
+							: &f_info[f_info[c_ptr->feat].mimic];
 
 						/* Skip normal features */
 						if (!(f_ptr->flags & FF_ATTR_MULTI))
diff --git a/src/feature_type_fwd.hpp b/src/feature_type_fwd.hpp
deleted file mode 100644
index 168ec6c7..00000000
--- a/src/feature_type_fwd.hpp
+++ /dev/null
@@ -1,3 +0,0 @@
-#pragma once
-
-struct feature_type;
diff --git a/src/files.cc b/src/files.cc
index cfd80362..42d1bed3 100644
--- a/src/files.cc
+++ b/src/files.cc
@@ -220,6 +220,7 @@ errr process_pref_file_aux(char *buf)
 	auto &st_info = game->edit_data.st_info;
 	auto &re_info = game->edit_data.re_info;
 	auto &r_info = game->edit_data.r_info;
+	auto &f_info = game->edit_data.f_info;
 
 	int i, j, n1, n2;
 
@@ -377,13 +378,18 @@ errr process_pref_file_aux(char *buf)
 	{
 		if (tokenize(buf + 2, 3, zz, ':', '/') == 3)
 		{
-			feature_type *f_ptr;
-			i = (huge)strtol(zz[0], NULL, 0);
+			std::size_t f_idx = strtoul(zz[0], NULL, 0);
 			n1 = strtol(zz[1], NULL, 0);
 			n2 = strtol(zz[2], NULL, 0);
-			if (i >= max_f_idx) return (1);
-			f_ptr = &f_info[i];
-			if (n1) f_ptr->x_attr = n1;
+
+			if (f_idx >= f_info.size()) return (1);
+
+			auto f_ptr = &f_info[f_idx];
+
+			if (n1)
+			{
+				f_ptr->x_attr = n1;
+			}
 			if (n2)
 			{
 				f_ptr->x_char = n2;
diff --git a/src/game_edit_data.hpp b/src/game_edit_data.hpp
index 16a97da7..6adb3804 100644
--- a/src/game_edit_data.hpp
+++ b/src/game_edit_data.hpp
@@ -2,6 +2,7 @@
 
 #include "ability_type.hpp"
 #include "dungeon_info_type.hpp"
+#include "feature_type.hpp"
 #include "hist_type.hpp"
 #include "monster_ego.hpp"
 #include "monster_race.hpp"
@@ -102,6 +103,11 @@ struct GameEditData {
 	 */
 	std::vector<monster_ego> re_info;
 
+	/*
+	 * Terrain features
+	 */
+	std::vector<feature_type> f_info;
+
 	/**
 	 * Wilderness features
 	 */
diff --git a/src/gen_evol.cc b/src/gen_evol.cc
index 889e7a01..7dca5b9a 100644
--- a/src/gen_evol.cc
+++ b/src/gen_evol.cc
@@ -12,6 +12,7 @@
 #include "cave_type.hpp"
 #include "feature_flag.hpp"
 #include "feature_type.hpp"
+#include "game.hpp"
 #include "generate.hpp"
 #include "levels.hpp"
 #include "player_type.hpp"
@@ -23,6 +24,8 @@
  */
 void evolve_level(bool_ noise)
 {
+	auto const &f_info = game->edit_data.f_info;
+
 	int i, j;
 
 	int cw = 0, cf = 0;
diff --git a/src/generate.cc b/src/generate.cc
index 9bd01010..6612a888 100644
--- a/src/generate.cc
+++ b/src/generate.cc
@@ -478,6 +478,8 @@ static bool_ is_safe_floor(int y, int x)
  */
 void place_new_way(int *y, int *x)
 {
+	auto const &f_info = game->edit_data.f_info;
+
 	int xx, yy;
 	int x0, x1, x2;
 	int y0, y1, y2;
@@ -784,7 +786,9 @@ bool_ new_player_spot(int branch)
  */
 static int next_to_walls(int y, int x)
 {
-	int	k = 0;
+	auto const &f_info = game->edit_data.f_info;
+
+	int k = 0;
 
 	if (f_info[cave[y + 1][x].feat].flags & FF_WALL) k++;
 	if (f_info[cave[y - 1][x].feat].flags & FF_WALL) k++;
@@ -1506,6 +1510,8 @@ static void build_streamer(int feat, int chance)
  */
 static void build_streamer2(int feat, int killwall)
 {
+	auto const &f_info = game->edit_data.f_info;
+
 	int i, j, mid, tx, ty;
 	int y, x, dir;
 	int poolchance;
@@ -1723,6 +1729,8 @@ static void destroy_level(void)
  */
 static bool_ get_is_floor(int x, int y)
 {
+	auto const &f_info = game->edit_data.f_info;
+
 	/* Out of bounds */
 	if (!in_bounds(y, x)) return (FALSE);
 
@@ -4298,6 +4306,8 @@ static void fill_hack(int y0, int x0, int y, int x, int xsize, int ysize,
 bool_ generate_fracave(int y0, int x0, int xsize, int ysize,
                       int cutoff, bool_ light, bool_ room)
 {
+	auto const &f_info = game->edit_data.f_info;
+
 	int x, y, i, amount, xhsize, yhsize;
 	cave_type *c_ptr;
 
@@ -6467,6 +6477,8 @@ static int next_to_corr(int y1, int x1)
  */
 static bool_ possible_doorway(int y, int x)
 {
+	auto const &f_info = game->edit_data.f_info;
+
 	/* Count the adjacent corridors */
 	if (next_to_corr(y, x) >= 2)
 	{
@@ -6495,6 +6507,8 @@ static bool_ possible_doorway(int y, int x)
  */
 static void try_doors(int y, int x)
 {
+	auto const &f_info = game->edit_data.f_info;
+
 	bool_ dir_ok[4];
 	int i, k, n;
 	int yy, xx;
diff --git a/src/init1.cc b/src/init1.cc
index 3dcee907..d2fef6a9 100644
--- a/src/init1.cc
+++ b/src/init1.cc
@@ -2056,9 +2056,9 @@ static int grab_one_feature_flag(cptr what, feature_flag_set *flags)
  */
 errr init_f_info_txt(FILE *fp)
 {
-	int i;
+	auto &f_info = game->edit_data.f_info;
+
 	char buf[1024];
-	char *s;
 
 	/* Current entry */
 	feature_type *f_ptr = NULL;
@@ -2085,7 +2085,7 @@ errr init_f_info_txt(FILE *fp)
 		if (buf[0] == 'N')
 		{
 			/* Find the colon before the name */
-			s = strchr(buf + 2, ':');
+			char *s = strchr(buf + 2, ':');
 
 			/* Verify that colon */
 			if (!s) return (1);
@@ -2097,19 +2097,16 @@ errr init_f_info_txt(FILE *fp)
 			if (!*s) return (1);
 
 			/* Get the index */
-			i = atoi(buf + 2);
+			int i = atoi(buf + 2);
 
 			/* Verify information */
 			if (i <= error_idx) return (4);
 
-			/* Verify information */
-			if (i >= max_f_idx) return (2);
-
 			/* Save the index */
 			error_idx = i;
 
 			/* Point at the "info" */
-			f_ptr = &f_info[i];
+			f_ptr = &expand_to_fit_index(f_info, i);
 
 			/* Copy name */
 			assert(!f_ptr->name);
@@ -2133,7 +2130,7 @@ errr init_f_info_txt(FILE *fp)
 		if (buf[0] == 'D')
 		{
 			/* Acquire the text */
-			s = buf + 4;
+			const char *s = buf + 4;
 
 			switch (buf[2])
 			{
@@ -2226,6 +2223,7 @@ errr init_f_info_txt(FILE *fp)
 		{
 			int side, dice, freq, type;
 			cptr tmp;
+			int i;
 
 			/* Find the next empty blow slot (if any) */
 			for (i = 0; i < 4; i++) if ((!f_ptr->d_side[i]) &&
@@ -6785,12 +6783,6 @@ static errr process_dungeon_file_aux(char *buf, int *yval, int *xval, int xvalst
 				max_k_idx = atoi(zz[1]);
 			}
 
-			/* Maximum f_idx */
-			else if (zz[0][0] == 'F')
-			{
-				max_f_idx = atoi(zz[1]);
-			}
-
 			/* Maximum a_idx */
 			else if (zz[0][0] == 'A')
 			{
diff --git a/src/init2.cc b/src/init2.cc
index 79b5a0a3..950badc3 100644
--- a/src/init2.cc
+++ b/src/init2.cc
@@ -277,7 +277,7 @@ namespace {
 
 		static void allocate()
 		{
-			f_info = new feature_type[max_f_idx];
+			// Nothing to do
 		}
 
 		static errr parse(FILE *fp)
diff --git a/src/melee2.cc b/src/melee2.cc
index d1fc3767..415fd478 100644
--- a/src/melee2.cc
+++ b/src/melee2.cc
@@ -5254,6 +5254,8 @@ static bool_ player_invis(monster_type * m_ptr)
  */
 static void process_monster(int m_idx, bool_ is_frien)
 {
+	auto const &f_info = game->edit_data.f_info;
+
 	int i, d, oy, ox, ny, nx;
 
 	int mm[8];
diff --git a/src/object1.cc b/src/object1.cc
index 466488fe..c10a52f9 100644
--- a/src/object1.cc
+++ b/src/object1.cc
@@ -637,17 +637,15 @@ void reset_visuals(void)
 	auto &race_mod_info = game->edit_data.race_mod_info;
 	auto &re_info = game->edit_data.re_info;
 	auto &r_info = game->edit_data.r_info;
+	auto &f_info = game->edit_data.f_info;
 
 	int i;
 
 	/* Extract some info about terrain features */
-	for (i = 0; i < max_f_idx; i++)
+	for (auto &f_ref: f_info)
 	{
-		feature_type *f_ptr = &f_info[i];
-
-		/* Assume we will use the underlying values */
-		f_ptr->x_attr = f_ptr->d_attr;
-		f_ptr->x_char = f_ptr->d_char;
+		f_ref.x_attr = f_ref.d_attr;
+		f_ref.x_char = f_ref.d_char;
 	}
 
 	/* Extract default attr/char code for stores */
diff --git a/src/object2.cc b/src/object2.cc
index eb0a66e8..901bb854 100644
--- a/src/object2.cc
+++ b/src/object2.cc
@@ -5078,6 +5078,8 @@ void place_gold(int y, int x)
  */
 s16b drop_near(object_type *j_ptr, int chance, int y, int x)
 {
+	auto const &f_info = game->edit_data.f_info;
+
 	int i, k, d, s;
 
 	int bs, bn;
diff --git a/src/powers.cc b/src/powers.cc
index 0c01a0e6..88292e21 100644
--- a/src/powers.cc
+++ b/src/powers.cc
@@ -17,6 +17,7 @@
 #include "feature_flag.hpp"
 #include "feature_type.hpp"
 #include "files.hpp"
+#include "game.hpp"
 #include "hooks.hpp"
 #include "mimic.hpp"
 #include "monster2.hpp"
@@ -129,6 +130,8 @@ static bool_ power_chance(power_type *x_ptr)
 
 static void power_activate(int power)
 {
+	auto const &f_info = game->edit_data.f_info;
+
 	s16b plev = p_ptr->lev;
 	char ch = 0;
 	int amber_power = 0;
diff --git a/src/q_dragons.cc b/src/q_dragons.cc
index 2c3faa69..1ed5a97b 100644
--- a/src/q_dragons.cc
+++ b/src/q_dragons.cc
@@ -5,6 +5,7 @@
 #include "dungeon_flag.hpp"
 #include "feature_flag.hpp"
 #include "feature_type.hpp"
+#include "game.hpp"
 #include "hook_quest_finish_in.hpp"
 #include "hooks.hpp"
 #include "init1.hpp"
@@ -20,6 +21,8 @@
 
 static bool_ quest_dragons_gen_hook(void *, void *, void *)
 {
+	auto const &f_info = game->edit_data.f_info;
+
 	int x, y, i;
 	int xstart = 2;
 	int ystart = 2;
diff --git a/src/q_evil.cc b/src/q_evil.cc
index cadaa171..21d608e7 100644
--- a/src/q_evil.cc
+++ b/src/q_evil.cc
@@ -5,6 +5,7 @@
 #include "dungeon_flag.hpp"
 #include "feature_flag.hpp"
 #include "feature_type.hpp"
+#include "game.hpp"
 #include "hook_quest_finish_in.hpp"
 #include "hooks.hpp"
 #include "init1.hpp"
@@ -20,6 +21,8 @@
 
 static bool_ quest_evil_gen_hook(void *, void *, void *)
 {
+	auto const &f_info = game->edit_data.f_info;
+
 	int x, y, i;
 	int xstart = 2;
 	int ystart = 2;
diff --git a/src/q_fireprof.cc b/src/q_fireprof.cc
index 207f306f..03190889 100644
--- a/src/q_fireprof.cc
+++ b/src/q_fireprof.cc
@@ -4,6 +4,7 @@
 #include "dungeon_flag.hpp"
 #include "feature_flag.hpp"
 #include "feature_type.hpp"
+#include "game.hpp"
 #include "hook_get_in.hpp"
 #include "hooks.hpp"
 #include "lua_bind.hpp"
@@ -470,6 +471,8 @@ std::string quest_fireproof_describe()
 
 static bool_ fireproof_gen_hook(void *, void *, void *)
 {
+	auto const &f_info = game->edit_data.f_info;
+
 	fireproof_settings const *settings = fireproof_get_settings();
 
 	/* Only if player doing this quest */
diff --git a/src/q_god.cc b/src/q_god.cc
index 38b911b7..79a25232 100644
--- a/src/q_god.cc
+++ b/src/q_god.cc
@@ -361,6 +361,8 @@ static void quest_god_place_rand_dung()
 
 static void quest_god_generate_relic()
 {
+	auto const &f_info = game->edit_data.f_info;
+
 	int tries = 1000, x = -1, y = -1;
 	object_type relic;
 
diff --git a/src/q_haunted.cc b/src/q_haunted.cc
index 902778fc..df90435c 100644
--- a/src/q_haunted.cc
+++ b/src/q_haunted.cc
@@ -5,6 +5,7 @@
 #include "dungeon_flag.hpp"
 #include "feature_flag.hpp"
 #include "feature_type.hpp"
+#include "game.hpp"
 #include "hook_quest_finish_in.hpp"
 #include "hooks.hpp"
 #include "init1.hpp"
@@ -21,6 +22,8 @@
 
 static bool_ quest_haunted_gen_hook(void *, void *, void *)
 {
+	auto const &f_info = game->edit_data.f_info;
+
 	int x, y, i, m_idx;
 	int xstart = 2;
 	int ystart = 2;
diff --git a/src/q_wolves.cc b/src/q_wolves.cc
index 3d83f414..637003dc 100644
--- a/src/q_wolves.cc
+++ b/src/q_wolves.cc
@@ -5,6 +5,7 @@
 #include "dungeon_flag.hpp"
 #include "feature_flag.hpp"
 #include "feature_type.hpp"
+#include "game.hpp"
 #include "hook_quest_finish_in.hpp"
 #include "hooks.hpp"
 #include "init1.hpp"
@@ -21,6 +22,8 @@
 
 static bool_ quest_wolves_gen_hook(void *, void *, void *)
 {
+	auto const &f_info = game->edit_data.f_info;
+
 	int x, y, i;
 	int xstart = 2;
 	int ystart = 2;
diff --git a/src/spells1.cc b/src/spells1.cc
index ed10c525..c11be30b 100644
--- a/src/spells1.cc
+++ b/src/spells1.cc
@@ -2906,6 +2906,7 @@ static int project_m_y;
 static bool_ project_f(int who, int r, int y, int x, int dam, int typ)
 {
 	cave_type *c_ptr = &cave[y][x];
+	auto const &f_info = game->edit_data.f_info;
 
 	bool_ obvious = FALSE;
 
@@ -6913,6 +6914,7 @@ static bool_ project_p(int who, int r, int y, int x, int dam, int typ, int a_rad
 {
 	auto const &d_info = game->edit_data.d_info;
 	auto const &r_info = game->edit_data.r_info;
+	auto const &f_info = game->edit_data.f_info;
 
 	int k = 0, do_move = 0, a = 0, b = 0, x1 = 0, y1 = 0;
 
diff --git a/src/spells2.cc b/src/spells2.cc
index 1cd03430..f918a970 100644
--- a/src/spells2.cc
+++ b/src/spells2.cc
@@ -97,6 +97,8 @@ void grow_things(s16b type, int rad)
  */
 void grow_trees(int rad)
 {
+	auto const &f_info = game->edit_data.f_info;
+
 	int a, i, j;
 
 	for (a = 0; a < rad * rad + 11; a++)
@@ -119,6 +121,8 @@ void grow_trees(int rad)
  */
 void grow_grass(int rad)
 {
+	auto const &f_info = game->edit_data.f_info;
+
 	int a, i, j;
 
 	for (a = 0; a < rad * rad + 11; a++)
@@ -5457,6 +5461,8 @@ bool_ trap_creation(void)
 
 bool_ wall_stone(int y, int x)
 {
+	auto const &f_info = game->edit_data.f_info;
+
 	cave_type *c_ptr = &cave[y][x];
 	int flg = PROJECT_GRID | PROJECT_ITEM;
 	auto const featflags = f_info[c_ptr->feat].flags;
@@ -5993,7 +5999,14 @@ bool_ heal_insanity(int val)
  */
 bool_ passwall(int dir, bool_ safe)
 {
-	int x = p_ptr->px, y = p_ptr->py, ox = p_ptr->px, oy = p_ptr->py, lx = p_ptr->px, ly = p_ptr->py;
+	auto const &f_info = game->edit_data.f_info;
+
+	int x = p_ptr->px;
+	int y = p_ptr->py;
+	int ox = p_ptr->px;
+	int oy = p_ptr->py;
+	int lx = p_ptr->px;
+	int ly = p_ptr->py;
 	cave_type *c_ptr;
 	bool_ ok = FALSE;
 
@@ -6305,6 +6318,8 @@ bool_ reset_recall(bool_ no_trepas_max_depth)
  */
 void create_between_gate(int dist, int y, int x)
 {
+	auto const &f_info = game->edit_data.f_info;
+
 	int ii, ij, plev = get_skill(SKILL_CONVEYANCE);
 
 	if (dungeon_flags & DF_NO_TELEPORT)
@@ -6408,6 +6423,8 @@ static int rotate_dir(int dir, int mov)
 
 void geomancy_random_wall(int y, int x)
 {
+	auto const &f_info = game->edit_data.f_info;
+
 #define TABLE_SIZE 4
 	cave_type *c_ptr = &cave[y][x];
 	int feat = -1;
@@ -6422,7 +6439,8 @@ void geomancy_random_wall(int y, int x)
 	};
 
 	/* Do not destroy permanent things */
-	if (f_info[c_ptr->feat].flags & FF_PERMANENT) {
+	if (f_info[c_ptr->feat].flags & FF_PERMANENT)
+	{
 		return;
 	}
 
@@ -6437,6 +6455,8 @@ void geomancy_random_wall(int y, int x)
 
 void geomancy_random_floor(int y, int x, bool_ kill_wall)
 {
+	auto const &f_info = game->edit_data.f_info;
+
 #define TABLE_SIZE 9
 	cave_type *c_ptr = &cave[y][x];
 	int feat = -1;
diff --git a/src/spells3.cc b/src/spells3.cc
index 68b3a2f0..276cfeec 100644
--- a/src/spells3.cc
+++ b/src/spells3.cc
@@ -5,6 +5,7 @@
 #include "cmd5.hpp"
 #include "feature_flag.hpp"
 #include "feature_type.hpp"
+#include "game.hpp"
 #include "lua_bind.hpp"
 #include "mimic.hpp"
 #include "monster2.hpp"
@@ -2726,6 +2727,8 @@ const char *mind_stun_info()
 
 casting_result tempo_magelock()
 {
+	auto const &f_info = game->edit_data.f_info;
+
 	if (get_level_s(MAGELOCK, 50) >= 30)
 	{
 		int x,y;
diff --git a/src/traps.cc b/src/traps.cc
index 0f6c1f5d..f5abe202 100644
--- a/src/traps.cc
+++ b/src/traps.cc
@@ -104,6 +104,8 @@ bool_ do_player_trap_call_out(void)
 
 static bool_ do_trap_teleport_away(object_type *i_ptr, s16b y, s16b x)
 {
+	auto const &f_info = game->edit_data.f_info;
+
 	bool_ ident = FALSE;
 	char o_name[80];
 
@@ -166,6 +168,8 @@ static bool_ do_trap_teleport_away(object_type *i_ptr, s16b y, s16b x)
  */
 static bool_ player_handle_trap_of_walls(void)
 {
+	auto const &f_info = game->edit_data.f_info;
+
 	bool_ ident;
 
 	s16b dx, dy, cx, cy;
@@ -1899,6 +1903,8 @@ bool_ player_activate_trap_type(s16b y, s16b x, object_type *i_ptr, s16b item)
 
 void player_activate_door_trap(s16b y, s16b x)
 {
+	auto const &f_info = game->edit_data.f_info;
+
 	cave_type *c_ptr;
 	bool_ ident = FALSE;
 
@@ -1936,6 +1942,7 @@ void player_activate_door_trap(s16b y, s16b x)
 void place_trap(int y, int x)
 {
 	auto const &d_info = game->edit_data.d_info;
+	auto const &f_info = game->edit_data.f_info;
 
 	s16b trap;
 	trap_type *t_ptr;
@@ -2055,6 +2062,8 @@ void place_trap_object(object_type *o_ptr)
 /* Dangerous trap placing function */
 void wiz_place_trap(int y, int x, int idx)
 {
+	auto const &f_info = game->edit_data.f_info;
+
 	cave_type *c_ptr = &cave[y][x];
 
 	/* Dangerous enough as it is... */
diff --git a/src/variable.cc b/src/variable.cc
index a58191d5..f8be6224 100644
--- a/src/variable.cc
+++ b/src/variable.cc
@@ -429,11 +429,6 @@ player_spec const *spp_ptr;
 
 
 /*
- * The terrain feature arrays
- */
-feature_type *f_info;
-
-/*
  * The object kind arrays
  */
 object_kind *k_info;
@@ -579,11 +574,6 @@ s32b get_level_use_stick = -1;
 u16b max_k_idx;
 
 /*
- * Maximum number of terrain features in f_info.txt
- */
-u16b max_f_idx;
-
-/*
  * Maximum number of artifacts in a_info.txt
  */
 u16b max_a_idx;
diff --git a/src/variable.hpp b/src/variable.hpp
index 70c381b9..9daaf3d9 100644
--- a/src/variable.hpp
+++ b/src/variable.hpp
@@ -10,7 +10,6 @@
 #include "effect_type.hpp"
 #include "ego_item_type_fwd.hpp"
 #include "fate.hpp"
-#include "feature_type_fwd.hpp"
 #include "monster_type_fwd.hpp"
 #include "object_kind_fwd.hpp"
 #include "object_type_fwd.hpp"
@@ -152,7 +151,6 @@ extern player_class const *cp_ptr;
 extern player_spec const *spp_ptr;
 extern char player_name[32];
 extern char player_base[32];
-extern feature_type *f_info;
 extern object_kind *k_info;
 extern artifact_type *a_info;
 extern ego_item_type *e_info;
@@ -169,7 +167,6 @@ extern bool_ (*get_mon_num_hook)(int r_idx);
 extern bool_ (*get_mon_num2_hook)(int r_idx);
 extern bool_ (*get_obj_num_hook)(int k_idx);
 extern u16b max_k_idx;
-extern u16b max_f_idx;
 extern u16b max_a_idx;
 extern u16b max_e_idx;
 extern u16b max_o_idx;
diff --git a/src/wild.cc b/src/wild.cc
index 101e06f5..fd9ed6fd 100644
--- a/src/wild.cc
+++ b/src/wild.cc
@@ -376,6 +376,8 @@ namespace {
  */
 void wilderness_gen()
 {
+	auto const &f_info = game->edit_data.f_info;
+
 	int i, y, x, hack_floor;
 	bool_ daytime;
 	int xstart = 0;
@@ -942,6 +944,8 @@ static std::vector<std::size_t> get_shops()
 /* Generate town borders */
 static void set_border(int y, int x)
 {
+	auto const &f_info = game->edit_data.f_info;
+
 	cave_type *c_ptr;
 
 	/* Paranoia */
diff --git a/src/xtra2.cc b/src/xtra2.cc
index 482526ef..af25e906 100644
--- a/src/xtra2.cc
+++ b/src/xtra2.cc
@@ -2403,6 +2403,7 @@ static void monster_death_gods(int m_idx, monster_type *m_ptr)
 void monster_death(int m_idx)
 {
 	auto const &d_info = game->edit_data.d_info;
+	auto const &f_info = game->edit_data.f_info;
 
 	monster_type *m_ptr = &m_list[m_idx];
 
@@ -3737,6 +3738,7 @@ static s16b target_pick(point p, int dy, int dx, std::vector<point> const &point
 static bool_ target_set_accept(int y, int x)
 {
 	auto const &r_info = game->edit_data.r_info;
+	auto const &f_info = game->edit_data.f_info;
 
 	/* Player grid is always interesting */
 	if ((y == p_ptr->py) && (x == p_ptr->px)) return (TRUE);
@@ -3897,6 +3899,7 @@ static int target_set_aux(int y, int x, int mode, cptr info)
 	auto const &d_info = game->edit_data.d_info;
 	auto const &st_info = game->edit_data.st_info;
 	auto const &wf_info = game->edit_data.wf_info;
+	auto const &f_info = game->edit_data.f_info;
 
 	cave_type *c_ptr = &cave[y][x];