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#pragma once
#include "accel-invoke.hpp"
namespace rawaccel {
inline vec2d direction(double degrees)
{
double radians = degrees * PI / 180;
return { cos(radians), sin(radians) };
}
constexpr vec2d rotate(const vec2d& v, const vec2d& direction)
{
return {
v.x * direction.x - v.y * direction.y,
v.x * direction.y + v.y * direction.x
};
}
inline double magnitude(const vec2d& v)
{
return sqrt(v.x * v.x + v.y * v.y);
}
inline double lp_distance(const vec2d& v, double p)
{
return pow(pow(v.x, p) + pow(v.y, p), 1 / p);
}
class mouse_modifier {
public:
enum accel_distance_mode : unsigned char {
separate,
max,
Lp,
euclidean,
};
bool apply_rotate = false;
bool compute_ref_angle = false;
bool apply_snap = false;
bool cap_speed = false;
accel_distance_mode dist_mode = euclidean;
bool apply_directional_weight = false;
bool apply_dir_mul_x = false;
bool apply_dir_mul_y = false;
vec2d rot_vec = { 1, 0 };
double snap = 0;
double dpi_norm_factor = 1;
double speed_min = 0;
double speed_max = 0;
vec2d domain_weights = { 1, 1 };
double p = 2;
vec2d range_weights = { 1, 1 };
vec2d directional_multipliers = { 1, 1 };
vec2d sensitivity = { 1, 1 };
vec2<accel_union> accel;
#ifdef _KERNEL_MODE
__forceinline
#endif
void modify(vec2d& in, const vec2<accel_invoker>& inv, milliseconds time = 1) const
{
double ips_factor = dpi_norm_factor / time;
double reference_angle = 0;
if (apply_rotate) in = rotate(in, rot_vec);
if (compute_ref_angle && in.y != 0) {
if (in.x == 0) {
reference_angle = PI / 2;
}
else {
reference_angle = atan(fabs(in.y / in.x));
if (apply_snap) {
if (reference_angle > PI / 2 - snap) {
reference_angle = PI / 2;
in = { 0, _copysign(magnitude(in), in.y) };
}
else if (reference_angle < snap) {
reference_angle = 0;
in = { _copysign(magnitude(in), in.x), 0 };
}
}
}
}
if (cap_speed) {
double speed = magnitude(in) * ips_factor;
double ratio = clampsd(speed, speed_min, speed_max) / speed;
in.x *= ratio;
in.y *= ratio;
}
vec2d abs_weighted_vel = {
fabs(in.x * ips_factor * domain_weights.x),
fabs(in.y * ips_factor * domain_weights.y)
};
if (dist_mode == separate) {
in.x *= inv.x.invoke(accel.x, abs_weighted_vel.x, range_weights.x);
in.y *= inv.y.invoke(accel.y, abs_weighted_vel.y, range_weights.y);
}
else {
double speed;
if (dist_mode == max) {
speed = maxsd(abs_weighted_vel.x, abs_weighted_vel.y);
}
else if (dist_mode == Lp) {
speed = lp_distance(abs_weighted_vel, p);
}
else {
speed = magnitude(abs_weighted_vel);
}
double weight = range_weights.x;
if (apply_directional_weight) {
double diff = range_weights.y - range_weights.x;
weight += 2 / PI * reference_angle * diff;
}
double scale = inv.x.invoke(accel.x, speed, weight);
in.x *= scale;
in.y *= scale;
}
if (apply_dir_mul_x && in.x < 0) {
in.x *= directional_multipliers.x;
}
if (apply_dir_mul_y && in.y < 0) {
in.y *= directional_multipliers.y;
}
in.x *= sensitivity.x;
in.y *= sensitivity.y;
}
mouse_modifier(const settings& args) :
rot_vec(direction(args.degrees_rotation)),
snap(args.degrees_snap * PI / 180),
dpi_norm_factor(1000 / args.dpi),
speed_min(args.speed_min),
speed_max(args.speed_max),
p(args.dom_args.lp_norm),
domain_weights(args.dom_args.domain_weights),
range_weights(args.range_weights),
directional_multipliers(args.dir_multipliers),
sensitivity(args.sens),
accel({ { args.argsv.x }, { args.argsv.y } })
{
cap_speed = speed_max > 0 && speed_min <= speed_max;
apply_rotate = rot_vec.x != 1;
apply_snap = snap != 0;
apply_directional_weight = range_weights.x != range_weights.y;
compute_ref_angle = apply_snap || apply_directional_weight;
apply_dir_mul_x = directional_multipliers.x != 1;
apply_dir_mul_y = directional_multipliers.y != 1;
if (!args.combine_mags) dist_mode = separate;
else if (p >= MAX_NORM || p <= 0) dist_mode = max;
else if (p != 2) dist_mode = Lp;
else dist_mode = euclidean;
}
mouse_modifier() = default;
};
struct io_t {
settings args;
mouse_modifier mod;
};
} // rawaccel
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