1 files changed, 109 insertions, 0 deletions
diff --git a/common/rawaccel-base.hpp b/common/rawaccel-base.hpp
new file mode 100644
index 0000000..c1b2db3
--- /dev/null
+++ b/common/rawaccel-base.hpp
@@ -0,0 +1,109 @@
+#pragma once
+
+#include "vec2.h"
+
+namespace rawaccel {
+    using milliseconds = double;
+
+    inline constexpr int POLL_RATE_MIN = 125;
+    inline constexpr int POLL_RATE_MAX = 8000;
+
+    inline constexpr milliseconds DEFAULT_TIME_MIN = 1000.0 / POLL_RATE_MAX / 2;
+    inline constexpr milliseconds DEFAULT_TIME_MAX = 1000.0 / POLL_RATE_MIN * 2;
+
+    inline constexpr milliseconds WRITE_DELAY = 1000;
+
+    inline constexpr size_t MAX_DEV_ID_LEN = 200;
+
+    inline constexpr size_t SPACED_LUT_CAPACITY = 1025;
+    inline constexpr size_t ARB_LUT_CAPACITY = SPACED_LUT_CAPACITY / 4;
+
+    inline constexpr double MAX_NORM = 16;
+    inline constexpr double PI = 3.14159265358979323846;
+
+    enum class accel_mode {
+        classic,
+        jump,
+        natural,
+        motivity,
+        power,
+        arb_lookup,
+        noaccel
+    };
+
+    enum class spaced_lut_mode {
+        off,
+        binlog,
+        linear
+    };
+
+    struct spaced_lut_args {
+        spaced_lut_mode mode = spaced_lut_mode::off;
+        bool transfer = true;
+        unsigned char partitions = 2;
+        short num_elements = 8;
+        double start = 0;
+        double stop = 8;
+    };
+
+    struct table_args {
+        bool velocity = true;
+        int length = 0;
+        vec2<float> data[ARB_LUT_CAPACITY] = {};
+    };
+
+    struct accel_args {
+        accel_mode mode = accel_mode::noaccel;
+        bool legacy = false;
+
+        double offset = 0;
+        double cap = 1.5;
+        double accel_classic = 0.005;
+        double decay_rate = 0.1;
+        double growth_rate = 1;
+        double motivity = 1.5;
+        double power = 2;
+        double scale = 1;
+        double weight = 1;
+        double exponent = 0.05;
+        double limit = 1.5;
+        double midpoint = 5;
+        double smooth = 0.5;
+
+        spaced_lut_args spaced_args;
+        table_args arb_args;
+    };
+
+    struct domain_args {
+        vec2d domain_weights = { 1, 1 };
+        double lp_norm = 2;
+    };
+
+    struct settings {
+        double degrees_rotation = 0;
+        double degrees_snap = 0;
+        bool combine_mags = true;
+        double dpi = 1000;
+        double speed_min = 0;
+        double speed_max = 0;
+
+        vec2<accel_args> argsv;
+        vec2d sens = { 1, 1 };
+        vec2d dir_multipliers = { 1, 1 };
+        domain_args dom_args = {};
+        vec2d range_weights = { 1, 1 };
+
+        milliseconds time_min = DEFAULT_TIME_MIN;
+        milliseconds time_max = DEFAULT_TIME_MAX;
+
+        bool ignore = false;
+        wchar_t device_id[MAX_DEV_ID_LEN] = {};
+    };
+
+    template <typename AccelFunc>
+    inline double apply_weighted(AccelFunc&& f, double x, double w)
+    {
+        return 1 + (f(x) - 1) * w;
+    }
+
+}