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|
-module(character_instance).
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% TYPES %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-record
(
character_instance,
{
character :: character:struct(),
location :: {non_neg_integer(), non_neg_integer()},
current_health :: non_neg_integer(),
active :: boolean()
}
).
-opaque struct() :: #character_instance{}.
-export_type([struct/0]).
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% EXPORTS %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-export
(
[
new/2,
random/4
]
).
%%%% Accessors
-export
(
[
get_character/1,
get_location/1,
get_current_health/1,
get_is_active/1,
set_character/2,
set_location/2,
set_current_health/2,
set_is_active/2
]
).
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% LOCAL FUNCTIONS %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-spec find_random_location
(
non_neg_integer(),
non_neg_integer(),
list({non_neg_integer(), non_neg_integer()})
)
-> {non_neg_integer(), non_neg_integer()}.
find_random_location (BattlemapWidth, BattlemapHeight, ForbiddenLocations) ->
X = roll:between(0, (BattlemapWidth - 1)),
Y = roll:between(0, (BattlemapHeight - 1)),
IsForbidden = lists:member({X, Y}, ForbiddenLocations),
case IsForbidden of
true ->
find_random_location
(
BattlemapWidth,
BattlemapHeight,
ForbiddenLocations
);
_ -> {X, Y}
end.
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% EXPORTED FUNCTIONS %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%%% Accessors
-spec get_character (struct()) -> character:struct().
get_character (CharInst) -> CharInst#character_instance.character.
-spec get_location (struct()) -> {non_neg_integer(), non_neg_integer()}.
get_location (CharInst) -> CharInst#character_instance.location.
-spec get_current_health (struct()) -> non_neg_integer().
get_current_health (CharInst) -> CharInst#character_instance.current_health.
-spec get_is_active (struct()) -> boolean().
get_is_active (CharInst) ->
(
CharInst#character_instance.active
and
(CharInst#character_instance.current_health > 0)
).
-spec set_character (character:struct(), struct()) -> struct().
set_character (Char, CharInst) ->
CharInst#character_instance
{
character = Char
}.
-spec set_location
(
{non_neg_integer(), non_neg_integer()},
struct()
)
-> struct().
set_location (Location, CharInst) ->
CharInst#character_instance
{
location = Location
}.
-spec set_current_health (non_neg_integer(), struct()) -> struct().
set_current_health (Health, CharInst) ->
CharInst#character_instance
{
current_health = Health
}.
-spec set_is_active (boolean(), struct()) -> struct().
set_is_active (Active, CharInst) ->
CharInst#character_instance
{
active = Active
}.
%%%% Utils
-spec new
(
character:struct(),
{non_neg_integer(), non_neg_integer()}
)
-> struct().
new (Character, Location) ->
CharacterStatistics = character:get_statistics(Character),
#character_instance
{
character = Character,
location = Location,
current_health = statistics:get_health(CharacterStatistics),
active = false
}.
-spec random
(
character:struct(),
non_neg_integer(),
non_neg_integer(),
list({non_neg_integer(), non_neg_integer()})
)
-> struct().
random (Character, BattlemapWidth, BattlemapHeight, ForbiddenLocations) ->
new
(
Character,
find_random_location(BattlemapWidth, BattlemapHeight, ForbiddenLocations)
).
|
