working on the standings

iracingStandings.go

@@ -0,0 +1,112 @@
+package main
+
+import (
+	"fmt"
+	"sort"
+	"testing"
+)
+
+type StandingsLine struct {
+	CarIdx     int
+	LapPct     float32
+	Lap        int32
+	DriverName string
+	EstTime    float32
+	TimeBehind float32
+}
+
+type standingsFilter func([]StandingsLine, []float32, int)
+
+func generalStandings(s []StandingsLine, estTime []float32, id int) {
+	// This will give the delta to the guy ahead
+	// P1 0:00:000
+	// P2 0:01:000 -> 1s from P1
+	// P3 0:01:000 -> 1s from P2
+	for p := range s {
+		theirEstimate := estTime[s[p].CarIdx]
+		var theThing float32 = 0.0
+		if p != id {
+			theThing = estTime[s[p-1].CarIdx] - theirEstimate
+		}
+
+		s[p].TimeBehind = theThing
+	}
+}
+
+func relativeStandings(s []StandingsLine, estTime []float32, id int) {
+	// Get the delta to a given carId
+	for p := range s {
+		curCarEstimate := estTime[s[p].CarIdx]
+
+		var delta float32 = 0.0
+		delta = abs(estTime[id] - curCarEstimate)
+
+		s[p].TimeBehind = delta
+	}
+}
+
+func bestLapTime(i GameSource, id int) float32 {
+	best := i.Vars.Vars["LapBestLapTime"].Value.(float32)
+	if best > 0 {
+		return best
+	}
+
+	return float32(i.SessionInfo.DriverInfo.Drivers[id].CarClassEstLapTime)
+}
+
+// createStandingsTable will create a table with the standings data
+// still working on this
+// If the filter applied is generalStandings, the carId has to be 0
+// We can do some dynamicProgramming on this thing I guess, I still haven't
+// though about it much yet tbh
+func createStandingsTable(i GameSource, carId int, filter standingsFilter) []StandingsLine {
+	driversLapDistPct := i.Vars.Vars["CarIdxLapDistPct"].Value.([]float32)
+	driversEstTime := i.Vars.Vars["CarIdxEstTime"].Value.([]float32)
+	driversLap := i.Vars.Vars["CarIdxLap"].Value.([]int32)
+	drivers := i.SessionInfo.DriverInfo.Drivers
+
+	standings := make([]StandingsLine, len(drivers))
+
+	for k := range len(drivers) {
+		if drivers[k].CarIsPaceCar == 1 || drivers[k].IsSpectator == 1 || drivers[k].UserName == "" {
+			continue
+		}
+
+		if driversLap[k] == -1 || drivers[k].UserName == "" {
+			continue
+		}
+
+		standings[k] = StandingsLine{
+			CarIdx:     k,
+			LapPct:     driversLapDistPct[k],
+			DriverName: drivers[k].UserName,
+			EstTime:    driversEstTime[k],
+			Lap:        driversLap[k],
+			TimeBehind: 0,
+		}
+	}
+
+	// This will sort our standings by lap and LapPct
+	sort.Slice(standings, func(i int, j int) bool {
+		if standings[i].Lap == int32(standings[j].Lap) {
+			return standings[i].LapPct > standings[j].LapPct
+		}
+		return standings[i].Lap > standings[j].Lap
+	})
+
+	filter(standings, driversEstTime, carId)
+
+	return standings
+}
+
+func abs(v float32) float32 {
+	if v < 0 {
+		v = v * -1
+	}
+	return v
+}
+
+func TestStandingsFunctionality(t *testing.T) {
+	for {
+	}
+}