move balance mod

src/Etterna/Globals/MinaCalc/Dependent/BalanceMod.h

@@ -0,0 +1,68 @@
+#pragma once
+#include <string>
+#include <array>
+#include <vector>
+
+#include "Etterna/Models/NoteData/NoteDataStructures.h"
+#include "Etterna/Globals/MinaCalc/PatternModHelpers.h"
+#include "IntervalHandInfo.h"
+#include "RMSequencing.h"
+
+using std::pair;
+using std::vector;
+
+static const CalcPatternMod _pmod = Balance;
+static const std::string name = "BalanceMod";
+
+struct BalanceMod
+{
+#pragma region params
+
+	float min_mod = 0.95F;
+	float max_mod = 1.05F;
+	float mod_base = 0.325F;
+	float buffer = 1.F;
+	float scaler = 1.F;
+	float other_scaler = 4.F;
+
+	const vector<pair<std::string, float*>> _params{
+		{ "min_mod", &min_mod },   { "max_mod", &max_mod },
+		{ "mod_base", &mod_base }, { "buffer", &buffer },
+		{ "scaler", &scaler },	 { "other_scaler", &other_scaler },
+	};
+#pragma endregion params and param map
+
+	float pmod = neutral;
+
+	inline void full_reset() { pmod = neutral; }
+
+	inline auto operator()(const ItvHandInfo& itvhi,
+						   vector<float> doot[],
+						   const int& i) -> float
+	{
+		// nothing here
+		if (itvhi.get_taps_nowi() == 0) {
+			return neutral;
+		}
+
+		// same number of taps on each column
+		if (itvhi.cols_equal_now()) {
+			return min_mod;
+		}
+
+		// probably should NOT do this but leaving enabled for now so i can
+		// verify structural changes dont change output diff
+		// jack, dunno if this is worth bothering about? it would only matter
+		// for tech and it may matter too much there? idk
+		if (itvhi.get_col_taps_nowi(col_left) == 0 ||
+			itvhi.get_col_taps_nowi(col_right) == 0) {
+			return max_mod;
+		}
+
+		pmod = itvhi.get_col_prop_low_by_high();
+		pmod = (mod_base + (buffer + (scaler / pmod)) / other_scaler);
+		pmod = CalcClamp(pmod, min_mod, max_mod);
+
+		doot[_pmod][i] = pmod;
+	}
+};