rogue_layout.c File Reference

#include "global.h"
#include <assert.h>
#include <math.h>
#include <stdlib.h>
#include "random_map.h"

Include dependency graph for rogue_layout.c:

Go to the source code of this file.

Data Structures
struct	Room

Functions
static int	rn2 (int x)
char **	roguelike_layout_gen (int xsize, int ysize, int _unused_options, int _unused_layers)
static void	roguelike_link_rooms (Room *Rooms, char **maze)
static void	roguelike_make_rooms (Room *Rooms, char **maze)
static int	roguelike_place_room (Room *Rooms, int xsize, int ysize)
int	surround_check (char **layout, int i, int j, int Xsize, int Ysize)

Detailed Description

Rogue/NetHack style room generation.

Definition in file rogue_layout.c.

Function Documentation

rn2()

static int rn2 ( int  x )

static

Definition at line 41 of file rogue_layout.c.

References RANDOM, and diamondslots::x.

Referenced by roguelike_place_room().

Here is the caller graph for this function:

roguelike_layout_gen()

char** roguelike_layout_gen	(	int	xsize,
		int	ysize,
		int	_unused_options,
		int	_unused_layers
	)

Actually make the rogue layout. We work by a reduction process: first we make everything a wall, then we remove areas to make rooms

Parameters

xsize
ysize	wanted layout size.
_unused_options	unused.
_unused_layers	unused.

Returns

generated layout.

Definition at line 309 of file rogue_layout.c.

References RANDOM, roguelike_link_rooms(), roguelike_make_rooms(), roguelike_place_room(), surround_check(), nlohmann::detail::void(), Room::x, and Room::y.

Referenced by layoutgen(), and main().

Here is the call graph for this function:

Here is the caller graph for this function:

roguelike_link_rooms()

static void roguelike_link_rooms ( Room *  Rooms, char **  maze  )

static

Link generated rooms with corridors.

Parameters

Rooms	room list.
maze	maze.

Definition at line 157 of file rogue_layout.c.

References MAX, MIN, RANDOM, diamondslots::x, Room::x, guild_entry::x1, diamondslots::y, Room::y, and guild_entry::y1.

Referenced by roguelike_layout_gen().

Here is the caller graph for this function:

roguelike_make_rooms()

static void roguelike_make_rooms ( Room *  Rooms, char **  maze  )

static

Write all the rooms into the maze.

Parameters

Rooms	list of rooms to write.
maze	where to write to.

Definition at line 127 of file rogue_layout.c.

References Room::ax, Room::ay, RANDOM, Room::sx, Room::sy, Room::x, and Room::y.

Referenced by roguelike_layout_gen().

Here is the caller graph for this function:

roguelike_place_room()

static int roguelike_place_room ( Room *  Rooms, int  xsize, int  ysize  )

static

Place a room in the layout.

Parameters

Rooms	list of existing rooms, new room will be added to it.
xsize
ysize	layout size.

Returns

0 if no room could be generated, 1 else.

Definition at line 55 of file rogue_layout.c.

References Room::ax, Room::ay, RANDOM, rn2(), Room::sx, Room::sy, Room::x, Room::y, Room::zx, and Room::zy.

Referenced by roguelike_layout_gen().

Here is the call graph for this function:

Here is the caller graph for this function:

surround_check()

int surround_check	(	char **	layout,
		int	i,
		int	j,
		int	Xsize,
		int	Ysize
	)

Checks free spots around a spot.

Parameters

layout	map layout.
i
j	coordinates to check.
Xsize
Ysize	size of the layout.

Returns

combination of the following values:

• 1 = free space to left,
• 2 = free space to right,
• 4 = free space above
• 8 = free space below

Todo:

there is an equivalent function in another layout, merge them together.

Definition at line 280 of file rogue_layout.c.

Referenced by connect_spirals(), and roguelike_layout_gen().

Here is the caller graph for this function: