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|
-module(shr_armor).
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% TYPES %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-opaque id() :: non_neg_integer().
-type category() :: 'kinetic' | 'leather' | 'chain' | 'plate'.
-record
(
armor,
{
id :: id(),
name :: binary(),
category :: category(),
coef :: float()
}
).
-opaque type() :: #armor{}.
-export_type([type/0, id/0]).
-export_type ([category/0]).
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% EXPORTS %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%%% Accessors
-export
(
[
get_id/1,
get_name/1,
get_coefficient/1,
get_category/1
]
).
-export
(
[
random_id/0,
from_id/1,
apply_to_attributes/2,
get_resistance_to/2
]
).
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% LOCAL FUNCTIONS %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% EXPORTED FUNCTIONS %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%%% Accessors
-spec get_id (type()) -> id().
get_id (Ar) -> Ar#armor.id.
-spec get_name (type()) -> binary().
get_name (Ar) -> Ar#armor.name.
-spec get_coefficient (type()) -> float().
get_coefficient (Ar) -> Ar#armor.coef.
-spec get_category (type()) -> category().
get_category (Ar) -> Ar#armor.category.
-spec from_id (id()) -> type().
m4_include(__MAKEFILE_DATA_DIR/armor/global.m4.conf)m4_dnl
__ARMOR_USE_ERLANG_STYLE
m4_include(__MAKEFILE_DATA_DIR/armor/basic.m4d)m4_dnl
from_id(_) ->
from_id(0).
-spec random_id () -> id().
random_id () -> shr_roll:between(0, 4).
-spec apply_to_attributes
(
type(),
shr_attributes:type()
)
-> shr_attributes:type().
apply_to_attributes (Ar, Att) ->
Constitution = shr_attributes:get_constitution(Att),
Dexterity = shr_attributes:get_dexterity(Att),
Speed = shr_attributes:get_speed(Att),
Strength = shr_attributes:get_strength(Att),
Mind = shr_attributes:get_mind(Att),
Impact = shr_math_util:ceil(20.0 * Ar#armor.coef),
HalfImpact = shr_math_util:ceil(10.0 * Ar#armor.coef),
Category = Ar#armor.category,
case Category of
kinetic -> shr_attributes:set_unsafe_mind((Mind - Impact), Att);
leather ->
shr_attributes:set_unsafe_constitution
(
(Constitution - HalfImpact),
shr_attributes:set_unsafe_dexterity((Dexterity - HalfImpact), Att)
);
chain ->
shr_attributes:set_unsafe_constitution
(
(Constitution - HalfImpact),
shr_attributes:set_unsafe_dexterity
(
(Dexterity - HalfImpact),
shr_attributes:set_unsafe_speed((Speed - Impact), Att)
)
);
plate ->
shr_attributes:set_unsafe_constitution
(
(Constitution - HalfImpact),
shr_attributes:set_unsafe_dexterity
(
(Dexterity - HalfImpact),
shr_attributes:set_unsafe_speed
(
(Speed - Impact),
shr_attributes:set_unsafe_strength((Strength - Impact), Att)
)
)
)
end.
-spec get_resistance_to (shr_weapon:damage_type(), type()) -> non_neg_integer().
get_resistance_to (DamageType, Armor) ->
ArmorCategory = Armor#armor.category,
BaseResistance =
case {DamageType, ArmorCategory} of
{slash, kinetic} -> 0.0;
{slash, leather} -> 20.0;
{slash, chain} -> 30.0;
{slash, plate} -> 30.0;
{blunt, kinetic} -> 20.0;
{blunt, leather} -> 20.0;
{blunt, chain} -> 20.0;
{blunt, plate} -> 20.0;
{pierce, kinetic} -> 20.0;
{pierce, leather} -> 20.0;
{pierce, chain} -> 20.0;
{pierce, plate} -> 30.0
end,
ArmorCoefficient = Armor#armor.coef,
ActualResistance = (ArmorCoefficient * BaseResistance),
shr_math_util:ceil(ActualResistance).
|
