los.cc File Reference

#include "AppHdr.h"
#include "los.h"
#include <cmath>
#include <algorithm>
#include "areas.h"
#include "bitary.h"
#include "coord.h"
#include "coord-circle.h"
#include "coordit.h"
#include "debug.h"
#include "externs.h"
#include "geom2d.h"
#include "losglobal.h"
#include "losparam.h"
#include "player.h"
#include "ray.h"
#include "stuff.h"
#include "env.h"
#include "terrain.h"

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Classes
class	quadrant_iterator
struct	los_ray
struct	cellray
struct	opacity_trans
struct	los_param_funcs
Defines
#define	LOS_MAX_ANGLE   (2*LOS_MAX_RANGE-2)
#define	LOS_INTERCEPT_MULT   (2)
Typedefs
typedef FixedArray< bit_array *, LOS_MAX_RANGE+1, LOS_MAX_RANGE+1 >	blockrays_t
Enumerations
enum	compare_type { C_SUBRAY, C_SUPERRAY, C_NEITHER }
Functions
void	clear_rays_on_exit ()
void	set_los_radius (int r)
int	get_los_radius_sq ()
bool	double_is_zero (const double x)
bool	complexity_lt (const std::pair< int, int > &lhs, const std::pair< int, int > &rhs)
bool	find_ray (const coord_def &source, const coord_def &target, ray_def &ray, const opacity_func &opc, const circle_def &bds, bool cycle)
bool	exists_ray (const coord_def &source, const coord_def &target, const opacity_func &opc, const circle_def &bds)
dungeon_feature_type	ray_blocker (const coord_def &source, const coord_def &target)
void	fallback_ray (const coord_def &source, const coord_def &target, ray_def &ray)
int	num_feats_between (const coord_def &source, const coord_def &target, dungeon_feature_type min_feat, dungeon_feature_type max_feat, bool exclude_endpoints, bool just_check)
bool	cell_see_cell (const coord_def &p1, const coord_def &p2)
void	losight (los_grid &sh, const los_param &dat)
void	losight (los_grid &sh, const coord_def &center, const opacity_func &opc, const circle_def &bounds)
void	los_actor_moved (const actor *act, const coord_def &oldpos)
void	los_monster_died (const monster *mon)
void	los_terrain_changed (const coord_def &p)
void	los_cloud_changed (const coord_def &p)
void	los_changed ()
Variables
const circle_def	bds_precalc = circle_def(LOS_MAX_RANGE, C_ROUND)
std::vector< los_ray >	fullrays
std::vector< coord_def >	ray_coords
std::vector< coord_def >	cellray_ends
blockrays_t	blockrays
FixedArray< std::vector < cellray >, LOS_MAX_RANGE+1, LOS_MAX_RANGE+1 >	min_cellrays
bit_array *	dead_rays = NULL
bit_array *	smoke_rays = NULL
int	_los_radius_sq = LOS_RADIUS_SQ

---

Define Documentation

#define LOS_INTERCEPT_MULT   (2)

#define LOS_MAX_ANGLE   (2*LOS_MAX_RANGE-2)

---

Typedef Documentation

typedef FixedArray<bit_array*, LOS_MAX_RANGE+1, LOS_MAX_RANGE+1> blockrays_t

---

Enumeration Type Documentation

enum compare_type

Enumerator:

C_SUBRAY
C_SUPERRAY
C_NEITHER

---

Function Documentation

bool cell_see_cell	(	const coord_def &	p1,
		const coord_def &	p2
	)

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void clear_rays_on_exit

(

)

bool complexity_lt	(	const std::pair< int, int > &	lhs,
		const std::pair< int, int > &	rhs
	)

bool double_is_zero

(

const double

x

)

bool exists_ray	(	const coord_def &	source,
		const coord_def &	target,
		const opacity_func &	opc,
		const circle_def &	bds
	)

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void fallback_ray	(	const coord_def &	source,
		const coord_def &	target,
		ray_def &	ray
	)

bool find_ray	(	const coord_def &	source,
		const coord_def &	target,
		ray_def &	ray,
		const opacity_func &	opc,
		const circle_def &	bds,
		bool	cycle
	)

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int get_los_radius_sq

(

)

void los_actor_moved	(	const actor *	act,
		const coord_def &	oldpos
	)

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void los_changed

(

)

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void los_cloud_changed

(

const coord_def &

p

)

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void los_monster_died

(

const monster *

mon

)

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void los_terrain_changed

(

const coord_def &

p

)

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void losight	(	los_grid &	sh,
		const coord_def &	center,
		const opacity_func &	opc,
		const circle_def &	bounds
	)

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void losight	(	los_grid &	sh,
		const los_param &	dat
	)

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int num_feats_between	(	const coord_def &	source,
		const coord_def &	target,
		dungeon_feature_type	min_feat,
		dungeon_feature_type	max_feat,
		bool	exclude_endpoints,
		bool	just_check
	)

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dungeon_feature_type ray_blocker	(	const coord_def &	source,
		const coord_def &	target
	)

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void set_los_radius

(

int

r

)

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---

Variable Documentation

int _los_radius_sq = LOS_RADIUS_SQ

const circle_def bds_precalc = circle_def(LOS_MAX_RANGE, C_ROUND)

blockrays_t blockrays

std::vector<coord_def> cellray_ends

bit_array* dead_rays = NULL

std::vector<los_ray> fullrays

FixedArray<std::vector<cellray>, LOS_MAX_RANGE+1, LOS_MAX_RANGE+1> min_cellrays

std::vector<coord_def> ray_coords

bit_array* smoke_rays = NULL