-/*
- * File: streams.c
- * Purpose: Used by dungeon generation. This file holds all the
+/*!
+ * @file streams.c
+ * @brief ダンジョン生成に利用する関数群 / Used by dungeon generation.
+ * @date 2014/07/15
+ * @author
+ * <pre>
+ * Copyright (c) 1997 Ben Harrison, James E. Wilson, Robert A. Koeneke
+ * This software may be copied and distributed for educational, research,
+ * and not for profit purposes provided that this copyright and statement
+ * are included in all such copies. Other copyrights may also apply.
+ * </pre>
+ * @details
+ * Purpose: This file holds all the
* functions that are applied to a level after the rest has been
* generated, ie streams and level destruction.
*/
-/*
- * Copyright (c) 1989 James E. Wilson, Robert A. Koeneke
- *
- * This software may be copied and distributed for educational, research, and
- * not for profit purposes provided that this copyright and statement are
- * included in all such copies.
- */
-
#include "angband.h"
#include "generate.h"
#include "streams.h"
#include "grid.h"
-/*
+/*!
+ * @brief 再帰フラクタルアルゴリズムによりダンジョン内に川を配置する /
* Recursive fractal algorithm to place water through the dungeon.
+ * @param x1 起点x座標
+ * @param y1 起点y座標
+ * @param x2 終点x座標
+ * @param y2 終点y座標
+ * @param feat1 中央部地形ID
+ * @param feat2 境界部地形ID
+ * @param width 基本幅
+ * @return なし
*/
static void recursive_river(int x1, int y1, int x2, int y2, int feat1, int feat2, int width)
{
if (dy != 0)
{
/* perturbation perpendicular to path */
- changex = randint(abs(dy)) * 2 - abs(dy);
+ changex = randint1(abs(dy)) * 2 - abs(dy);
}
else
{
if (dx != 0)
{
/* perturbation perpendicular to path */
- changey = randint(abs(dx)) * 2 - abs(dx);
+ changey = randint1(abs(dx)) * 2 - abs(dx);
}
else
{
if (one_in_(DUN_WAT_CHG) && (width > 0))
{
recursive_river(x1 + dx + changex, y1 + dy + changey,
- x1 + 8 * (dx + changex), y1 + 8 * (dy + changey),
- feat1, feat2, width - 1);
+ x1 + 8 * (dx + changex), y1 + 8 * (dy + changey),
+ feat1, feat2, width - 1);
}
}
else
{
for (tx = x - width - 1; tx <= x + width + 1; tx++)
{
- if (!in_bounds(ty, tx)) continue;
+ if (!in_bounds2(ty, tx)) continue;
c_ptr = &cave[ty][tx];
if (distance(ty, tx, y, x) > rand_spread(width, 1)) continue;
/* Do not convert permanent features */
- if (cave_perma_grid(c_ptr) && (c_ptr->feat != FEAT_MOUNTAIN)) continue;
+ if (cave_perma_grid(c_ptr)) continue;
/*
* Clear previous contents, add feature
else
c_ptr->feat = feat1;
+ /* Clear garbage of hidden trap or door */
+ c_ptr->mimic = 0;
+
/* Lava terrain glows */
- if ((feat1 == FEAT_DEEP_LAVA) || (feat1 == FEAT_SHAL_LAVA))
+ if (have_flag(f_info[feat1].flags, FF_LAVA))
{
- c_ptr->info |= CAVE_GLOW;
+ if (!(d_info[dungeon_type].flags1 & DF1_DARKNESS)) c_ptr->info |= CAVE_GLOW;
}
/* Hack -- don't teleport here */
}
-/*
+/*!
+ * @brief ランダムに川/溶岩流をダンジョンに配置する /
* Places water /lava through dungeon.
+ * @param feat1 中央部地形ID
+ * @param feat2 境界部地形ID
+ * @return なし
*/
void add_river(int feat1, int feat2)
{
/* Hack -- Choose starting point */
- y2 = randint(cur_hgt / 2 - 2) + cur_hgt / 2;
- x2 = randint(cur_wid / 2 - 2) + cur_wid / 2;
+ y2 = randint1(cur_hgt / 2 - 2) + cur_hgt / 2;
+ x2 = randint1(cur_wid / 2 - 2) + cur_wid / 2;
/* Hack -- Choose ending point somewhere on boundary */
- switch(randint(4))
+ switch(randint1(4))
{
case 1:
{
/* top boundary */
- x1 = randint(cur_wid-2)+1;
+ x1 = randint1(cur_wid-2)+1;
y1 = 1;
break;
}
{
/* left boundary */
x1 = 1;
- y1 = randint(cur_hgt-2)+1;
+ y1 = randint1(cur_hgt-2)+1;
break;
}
case 3:
{
/* right boundary */
x1 = cur_wid-1;
- y1 = randint(cur_hgt-2)+1;
+ y1 = randint1(cur_hgt-2)+1;
break;
}
case 4:
{
/* bottom boundary */
- x1 = randint(cur_wid-2)+1;
+ x1 = randint1(cur_wid-2)+1;
y1 = cur_hgt-1;
break;
}
}
- wid = randint(DUN_WAT_RNG);
+ wid = randint1(DUN_WAT_RNG);
recursive_river(x1, y1, x2, y2, feat1, feat2, wid);
/* Hack - Save the location as a "room" */
}
-/*
+/*!
+ * @brief ダンジョンの壁部にストリーマー（地質の変化）を与える /
* Places "streamers" of rock through dungeon
- *
+ * @param feat ストリーマー地形ID
+ * @param chance 生成密度
+ * @return なし
+ * @details
+ * <pre>
* Note that their are actually six different terrain features used
* to represent streamers. Three each of magma and quartz, one for
* basic vein, one with hidden gold, and one with known gold. The
* hidden gold types are currently unused.
+ * </pre>
*/
void build_streamer(int feat, int chance)
{
int i, tx, ty;
int y, x, dir;
int dummy = 0;
- bool treasure = FALSE;
cave_type *c_ptr;
+ feature_type *f_ptr;
+
+ feature_type *streamer_ptr = &f_info[feat];
+ bool streamer_is_wall = have_flag(streamer_ptr->flags, FF_WALL) && !have_flag(streamer_ptr->flags, FF_PERMANENT);
+ bool streamer_may_have_gold = have_flag(streamer_ptr->flags, FF_MAY_HAVE_GOLD);
/* Hack -- Choose starting point */
- y = rand_spread(cur_hgt / 2, 10);
- x = rand_spread(cur_wid / 2, 15);
+ y = rand_spread(cur_hgt / 2, cur_hgt / 6);
+ x = rand_spread(cur_wid / 2, cur_wid / 6);
/* Choose a random compass direction */
- dir = ddd[rand_int(8)];
+ dir = randint0(8);
/* Place streamer into dungeon */
while (dummy < SAFE_MAX_ATTEMPTS)
{
ty = rand_spread(y, d);
tx = rand_spread(x, d);
- if (!in_bounds(ty, tx)) continue;
+ if (!in_bounds2(ty, tx)) continue;
break;
}
/* Access the grid */
c_ptr = &cave[ty][tx];
+ f_ptr = &f_info[c_ptr->feat];
+
+ if (have_flag(f_ptr->flags, FF_MOVE) && (have_flag(f_ptr->flags, FF_WATER) || have_flag(f_ptr->flags, FF_LAVA)))
+ continue;
- if ((c_ptr->feat >= FEAT_DEEP_WATER) && (c_ptr->feat <= FEAT_SHAL_LAVA)) continue;
- if ((c_ptr->feat >= FEAT_PERM_EXTRA) && (c_ptr->feat <= FEAT_PERM_SOLID)) continue;
+ /* Do not convert permanent features */
+ if (have_flag(f_ptr->flags, FF_PERMANENT)) continue;
/* Only convert "granite" walls */
- if ((feat >= FEAT_MAGMA) && (feat <= FEAT_WALL_SOLID))
+ if (streamer_is_wall)
{
if (!is_extra_grid(c_ptr) && !is_inner_grid(c_ptr) && !is_outer_grid(c_ptr) && !is_solid_grid(c_ptr)) continue;
- if ((c_ptr->feat >= FEAT_DOOR_HEAD) && (c_ptr->feat <= FEAT_SECRET)) continue;
- if ((feat == FEAT_MAGMA) || (feat == FEAT_QUARTZ)) treasure = TRUE;
+ if (is_closed_door(c_ptr->feat)) continue;
+ }
+
+ if (c_ptr->m_idx && !(have_flag(streamer_ptr->flags, FF_PLACE) && monster_can_cross_terrain(feat, &r_info[m_list[c_ptr->m_idx].r_idx], 0)))
+ {
+ /* Delete the monster (if any) */
+ delete_monster(ty, tx);
}
- else
+
+ if (c_ptr->o_idx && !have_flag(streamer_ptr->flags, FF_DROP))
{
- if (cave_perma_grid(c_ptr) && (c_ptr->feat != FEAT_MOUNTAIN)) continue;
+ s16b this_o_idx, next_o_idx = 0;
+
+ /* Scan all objects in the grid */
+ for (this_o_idx = c_ptr->o_idx; this_o_idx; this_o_idx = next_o_idx)
+ {
+ /* Acquire object */
+ object_type *o_ptr = &o_list[this_o_idx];
+
+ /* Acquire next object */
+ next_o_idx = o_ptr->next_o_idx;
+
+ /* Hack -- Preserve unknown artifacts */
+ if (object_is_fixed_artifact(o_ptr))
+ {
+ /* Mega-Hack -- Preserve the artifact */
+ a_info[o_ptr->name1].cur_num = 0;
+
+ if (cheat_peek)
+ {
+ char o_name[MAX_NLEN];
+ object_desc(o_name, o_ptr, (OD_NAME_ONLY | OD_STORE));
+#ifdef JP
+ msg_format("伝説のアイテム (%s) はストリーマーにより削除された。", o_name);
+#else
+ msg_format("Artifact (%s) was deleted by streamer.", o_name);
+#endif
+ }
+ }
+ else if (cheat_peek && o_ptr->art_name)
+ {
+#ifdef JP
+ msg_print("ランダム・アーティファクトの1つはストリーマーにより削除された。");
+#else
+ msg_print("One of the random artifacts was deleted by streamer.");
+#endif
+ }
+ }
+
+ /* Delete objects */
+ delete_object(ty, tx);
}
/* Clear previous contents, add proper vein type */
c_ptr->feat = feat;
- /* Hack -- Add some (known) treasure */
- if (treasure && one_in_(chance)) c_ptr->feat += 0x04;
+ /* Paranoia: Clear mimic field */
+ c_ptr->mimic = 0;
+
+ if (streamer_may_have_gold)
+ {
+ /* Hack -- Add some known treasure */
+ if (one_in_(chance))
+ {
+ cave_alter_feat(ty, tx, FF_MAY_HAVE_GOLD);
+ }
+
+ /* Hack -- Add some hidden treasure */
+ else if (one_in_(chance / 4))
+ {
+ cave_alter_feat(ty, tx, FF_MAY_HAVE_GOLD);
+ cave_alter_feat(ty, tx, FF_ENSECRET);
+ }
+ }
}
if (dummy >= SAFE_MAX_ATTEMPTS)
if (cheat_room)
{
#ifdef JP
-msg_print("·Ù¹ð¡ª¥¹¥È¥ê¡¼¥Þ¡¼¤òÇÛÃ֤Ǥ¤Þ¤»¤ó¡ª");
+msg_print("警告！ストリーマーを配置できません！");
#else
msg_print("Warning! Could not place streamer!");
#endif
/* Advance the streamer */
- y += ddy[dir];
- x += ddx[dir];
+ y += ddy[cdd[dir]];
+ x += ddx[cdd[dir]];
+
+ if(one_in_(10))
+ {
+ if(one_in_(2)) dir = (dir + 1) % 8;
+ else dir = (dir > 0) ? dir - 1 : 7;
+ }
/* Quit before leaving the dungeon */
if (!in_bounds(y, x)) break;
}
-/*
+/*!
+ * @brief ダンジョンの指定位置近辺に森林を配置する /
+ * Places "streamers" of rock through dungeon
+ * @param x 指定X座標
+ * @param y 指定Y座標
+ * @return なし
+ * @details
+ * <pre>
* Put trees near a hole in the dungeon roof (rubble on ground + up stairway)
* This happens in real world lava tubes.
+ * </pre>
*/
void place_trees(int x, int y)
{
c_ptr = &cave[j][i];
if (c_ptr->info & CAVE_ICKY) continue;
- if (c_ptr->info & CAVE_TRAP) continue;
if (c_ptr->o_idx) continue;
/* Want square to be in the circle and accessable. */
* Clear previous contents, add feature
* The border mainly gets trees, while the center gets rubble
*/
- if ((distance(j, i, y, x) > 1) || (randint(100) < 25))
+ if ((distance(j, i, y, x) > 1) || (randint1(100) < 25))
{
- if (randint(100) < 75)
- cave[j][i].feat = FEAT_TREES;
+ if (randint1(100) < 75)
+ cave[j][i].feat = feat_tree;
}
else
{
- cave[j][i].feat = FEAT_RUBBLE;
+ cave[j][i].feat = feat_rubble;
}
+ /* Clear garbage of hidden trap or door */
+ c_ptr->mimic = 0;
+
/* Light area since is open above */
- cave[j][i].info |= (CAVE_GLOW | CAVE_ROOM);
+ if (!(d_info[dungeon_type].flags1 & DF1_DARKNESS)) cave[j][i].info |= (CAVE_GLOW | CAVE_ROOM);
}
}
}
if (!ironman_downward && one_in_(3))
{
/* up stair */
- cave[y][x].feat = FEAT_LESS;
+ cave[y][x].feat = feat_up_stair;
}
}
-/*
+/*!
+ * @brief ダンジョンに＊破壊＊済み地形ランダムに施す /
* Build a destroyed level
+ * @return なし
*/
void destroy_level(void)
{
- int y1, x1, y, x, k, t, n;
-
- cave_type *c_ptr;
+ int y1, x1, n;
/* Note destroyed levels */
#ifdef JP
-if (cheat_room) msg_print("Ç˲õ¤µ¤ì¤¿³¬");
+ if (cheat_room) msg_print("破壊された階");
#else
if (cheat_room) msg_print("Destroyed Level");
#endif
-
/* Drop a few epi-centers (usually about two) */
- for (n = 0; n < randint(5); n++)
+ for (n = 0; n < randint1(5); n++)
{
/* Pick an epi-center */
x1 = rand_range(5, cur_wid - 1 - 5);
y1 = rand_range(5, cur_hgt - 1 - 5);
- /* Big area of affect */
- for (y = (y1 - 15); y <= (y1 + 15); y++)
- {
- for (x = (x1 - 15); x <= (x1 + 15); x++)
- {
- /* Skip illegal grids */
- if (!in_bounds(y, x)) continue;
-
- /* Extract the distance */
- k = distance(y1, x1, y, x);
-
- /* Stay in the circle of death */
- if (k >= 16) continue;
-
- /* Delete the monster (if any) */
- delete_monster(y, x);
-
- /* Access the grid */
- c_ptr = &cave[y][x];
-
- /* Destroy valid grids */
- if (cave_valid_grid(c_ptr))
- {
- /* Delete objects */
- delete_object(y, x);
-
- /* Wall (or floor) type */
- t = rand_int(200);
-
- /* Granite */
- if (t < 20)
- {
- /* Create granite wall */
- place_extra_grid(c_ptr);
- }
-
- /* Quartz */
- else if (t < 70)
- {
- /* Create quartz vein */
- c_ptr->feat = FEAT_QUARTZ;
- }
-
- /* Magma */
- else if (t < 100)
- {
- /* Create magma vein */
- c_ptr->feat = FEAT_MAGMA;
- }
-
- /* Floor */
- else
- {
- /* Create floor */
- place_floor_grid(c_ptr);
- }
-
- /* No longer part of a room or vault */
- c_ptr->info &= ~(CAVE_ROOM | CAVE_ICKY);
-
- /* No longer illuminated or known */
- c_ptr->info &= ~(CAVE_MARK | CAVE_GLOW);
- }
- }
- }
+ (void)destroy_area(y1, x1, 15, TRUE);
}
}
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