blob: ac7ac4d1c15426ef7c71163849c5a5f029d81f60 (
plain) (
blame)
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
|
#pragma once
namespace rawaccel {
/// <summary> Struct to hold arguments for an acceleration function. </summary>
struct accel_args {
double offset = 0;
bool legacy_offset = false;
double accel = 0;
double scale = 1;
double limit = 2;
double exponent = 2;
double midpoint = 10;
double weight = 1;
double scale_cap = 0;
double gain_cap = 0;
};
template <typename Func>
struct accel_val_base {
bool legacy_offset = false;
double offset = 0;
double weight = 1;
Func fn;
accel_val_base(const accel_args& args) : fn(args) {}
};
template <typename Func>
struct additive_accel : accel_val_base<Func> {
additive_accel(const accel_args& args) : accel_val_base(args) {
this->legacy_offset = args.legacy_offset;
this->offset = args.offset;
this->weight = args.weight;
}
inline double operator()(double speed) const {
double offset_speed = speed - this->offset;
if (offset_speed <= 0) return 1;
if (this->legacy_offset) return 1 + this->fn.legacy_offset(offset_speed) * this->weight;
return 1 + this->fn(offset_speed) * this->weight;
}
};
template <typename Func>
struct nonadditive_accel : accel_val_base<Func> {
nonadditive_accel(const accel_args& args) : accel_val_base(args) {
if (args.weight > 0) this->weight = args.weight;
}
inline double operator()(double speed) const {
return this->fn(speed) * this->weight;
}
};
}
|