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package csv
import (
"git.darknebu.la/GalaxySimulator/Source/file"
"git.darknebu.la/GalaxySimulator/Source/structs"
"git.darknebu.la/bit/logplus"
"math/rand"
"strconv"
)
// Import gets a file, a starting line, an ending line and a struct. It then adds the content of the file to the struct
// For finding the length of the .csv, you can use the following command in linux:
// $ cat <csv> | wc -l
func Import(path string, start int, end int, slice []structs.Star2D) []structs.Star2D {
f, _ := file.Open(path)
lines, _ := f.ReadCSV()
for linenr, line := range lines[start:end] {
x, errx := strconv.ParseFloat(line[0], 64)
y, erry := strconv.ParseFloat(line[1], 64)
// Handle errors
if errx != nil {
logplus.LogErrorf("error reading value from csv in line nr. %d (%s)", linenr, errx)
}
if erry != nil {
logplus.LogErrorf("error reading value from csv in line nr. %d (%s)", linenr, erry)
}
// Create a temporary star for assembling the star
tempStar := structs.Star2D{
C: structs.Vec2{X: x, Y: y},
M: float64(rand.Intn(50000)),
}
// Add the Temporary star to the slice
slice = append(slice, tempStar)
}
return slice
}
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