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#ifndef DGN_IREREGULAR_BOX_H
#define DGN_IREREGULAR_BOX_H
class map_lines;
//
// The basic idea here is as follows:
// We make a box, but the sides go in and out instead
// of straight. Then we add doors on the straight
// parts.
//
// In more detail, each side is divided into a number of
// divisions, each of which is a certain distance out
// from the center of the box. THe divisions are
// connected at the corners, giving the box an irregular
// shape.
//
// +---+ +--+
// | +----+ | +-+--+
// +---+ +--+
//
// ^ ^ ^ ^ ^ ^ ^
// 7 divisions
//
// Some complexities:
// 1. The divisions must be space out enough that there
// is at least once cell between them.
// 2. The box must be big enough to divide
// 3. The box must touch its specified outer bounds at
// least once on each side
// 4. The corners of the box must not pass through each
// other. That would create an unreachable location
// and cause the level to veto.
//
// Parameter(s):
// <1> map: The map_lines to draw the room to
// <2> x1
// <3> y1
// <4> x2
// <5> y2: The maximum boundaries of the box
// <6> div_x
// <7> div_y: The maximum divisions along the x-/y-aligned
// walls
// <8> in_x
// <9> in_x: The maximum distance the x-/y-aligned walls can
// be from the "official" edge of the box
// <10>floor_glyph: The glyph to fill the inside with
// <11>wall_glyph: The glyph to use for make the walls
// <12>door_glyph: The glyph to use for the doors
// <13>door_count: The maximum number of doors
//
// Preconditions(s):
// <1> lines.width() > 0
// <2> lines.height() > 0
// <3> x1 >= 0
// <4> x1 <= x2
// <5> x2 < lines.width()
// <6> y1 >= 0
// <7> y1 <= y2
// <8> y2 < lines.height()
// <9> div_x >= 0
// <10> div_y >= 0
// <11> in_x >= 0
// <12>in_y >= 0
// <13>door_count >= 0
//
// Some Notes:
// <1> The sides of a box never go in past the middle, no
// matter what you set the values to. Otherwise there
// is self-intersection (very bad).
//
void make_irregular_box(map_lines& map, int x1, int y1, int x2, int y2,
int div_x = 1, int div_y = 1,
int in_x = 10000, int in_y = 10000,
char floor_glyph = '.', char wall_glyph = 'x',
char door_glyph = '+', int door_count = 1);
#endif
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