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Attempted to fix price

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This commit is contained in:
Teriuihi 2021-12-23 23:00:59 +01:00
parent 53f37c2a86
commit de11502f37
1 changed files with 12 additions and 5 deletions
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17
src/main/java/com/alttd/objects/Price.java
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@ -8,9 +8,12 @@ public final class Price {
private final double price; private final double price;
private final int points; private final int points;
private static final double x_mult[] = {0, 500, 2000, 4000}; private static final double[] xMult = {Integer.MIN_VALUE, -4000, -2000, -500, 500, 2000, 4000};
private static final double y_mult[] = {1.0, 1.5, 2.5, 5.0}; private static final double[] yMultSell = {2.5, 1.75, 1.25, 1, 1.5, 2.5, 5};
private static final StepFunction multiplierModel = new StepFunction(x_mult, y_mult); private static final double[] yMultBuy = {5, 2.5, 1.5, 1, 1.25, 1.75, 2.5};
private static final StepFunction multiplierModelBuy = new StepFunction(xMult, yMultBuy);
private static final StepFunction multiplierModelSell = new StepFunction(xMult, yMultSell);
public Price(double price) { public Price(double price) {
this.price = price; this.price = price;
@ -25,10 +28,14 @@ public final class Price {
return (Utilities.round(price * multiplier, 2)); return (Utilities.round(price * multiplier, 2));
} }
public double calculatePriceThing(int oldPoints, int transPts) { public double calculatePriceThing(int oldPoints, int transPts, boolean buying) {
// Compute numerical integration to determine price // Compute numerical integration to determine price
TrapezoidIntegrator trapez = new TrapezoidIntegrator(); TrapezoidIntegrator trapez = new TrapezoidIntegrator();
return (Utilities.round(price * trapez.integrate(10, multiplierModel, oldPoints, oldPoints + transPts), 2)); if (buying) {
return (Utilities.round(price * trapez.integrate(10, multiplierModelBuy, oldPoints, oldPoints + transPts), 2));
} else {
return (Utilities.round(price * trapez.integrate(10, multiplierModelSell, oldPoints - transPts, oldPoints), 2));
}
} }
public int getPoints() { public int getPoints() {