1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
|
#pragma once
enum circle_type
{
C_CIRCLE, // circle specified by pre-squared radius
C_POINTY, // circle with square radius r*r
C_ROUND, // circle with square radius r*r+1
C_SQUARE, // square with radius r
};
class rectangle_iterator;
class rect_def
{
coord_def min;
coord_def max;
public:
rect_def() {}
rect_def(const coord_def &min_, const coord_def &max_)
: min(min_), max(max_) {}
bool contains(const coord_def& p) const PURE;
rect_def intersect(const rect_def& other) const PURE;
rectangle_iterator iter() const;
};
#define RECT_MAP_BOUNDS (rect_def(coord_def(X_BOUND_1, Y_BOUND_1), \
coord_def(X_BOUND_2, Y_BOUND_2)))
/*
* Circles of different shapes; see circle_type for these.
*
* radius/radius_sq don't have meaning when global_los_radius is set.
*/
class circle_def
{
// Are we tracking global LOS radius?
bool global_los_radius;
// Check against map bounds for containment?
bool check_bounds;
coord_def origin;
int radius;
int radius_sq;
rect_def bbox;
bool is_square;
public:
// Circle around (0,0) with radius that tracks global LOS radius.
// No bounds checking.
circle_def();
// Circle around origin with shape of given circle.
circle_def(const coord_def &origin_, const circle_def &bds);
// Circle around (0,0) of specified shape and size.
// No bounds checking.
explicit circle_def(int param, circle_type ctype);
// Circle around given origin of specified shape and size.
circle_def(const coord_def &origin_, int param, circle_type ctype);
bool contains(const coord_def &p) const PURE;
const rect_def& get_bbox() const PURE;
const coord_def& get_center() const PURE;
private:
void init(int param, circle_type ctype);
void init_bbox();
};
|
