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generate-credits.go
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generate-credits.go
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package main
import (
"encoding/csv"
"flag"
"fmt"
"os"
"path/filepath"
"sort"
"strings"
"time"
)
const CLEAR_TILE_ID = "$20"
const CR_EOD = " .byte $00"
type Group struct {
Name string
Label string
Tenure int
Subs []Subscriber
}
var SubGroups = []*Group{
&Group{"1 Year", "cr_data_1year", 12, []Subscriber{}},
&Group{"9 Months", "cr_data_9months", 9, []Subscriber{}},
&Group{"6 Months", "cr_data_6months", 6, []Subscriber{}},
&Group{"3 Months", "cr_data_3months", 3, []Subscriber{}},
&Group{"1 Month", "cr_data_1month", 1, []Subscriber{}},
}
type SortSubs []Subscriber
func (ss SortSubs) Len() int { return len(ss) }
func (ss SortSubs) Less(i, j int) bool { return ss[i].SubDate.Before(ss[j].SubDate) }
func (ss SortSubs) Swap(i, j int) { ss[i], ss[j] = ss[j], ss[i] }
var excludeNames = []string{}
var verbose bool
type OP_CODE int
type Subscriber struct {
Username string
Tier int
Tenure int
Streak int
SubDate time.Time
}
func NewSub(row []string) (*Subscriber, error) {
if len(row) < 3 {
return nil, fmt.Errorf("Invalid row: %q", row)
}
tier := 1
if _, err := fmt.Sscanf(row[2], "Tier %d", &tier); err != nil {
return nil, err
}
tenure := 1
if _, err := fmt.Sscanf(row[3], "%d", &tenure); err != nil {
return nil, err
}
streak := 1
if _, err := fmt.Sscanf(row[4], "%d", &streak); err != nil {
return nil, err
}
date, err := time.Parse(time.RFC3339, row[1])
if err != nil {
return nil, fmt.Errorf("Error parsing time: %v", err)
}
return &Subscriber{
Username: row[0],
Tier: tier,
Tenure: tenure,
Streak: streak,
SubDate: date,
}, nil
}
type SubList []*Subscriber
func (sl SubList) Add(sub *Subscriber) SubList {
for _, s := range sl {
if s.Username == sub.Username {
if sub.Tenure > s.Tenure {
if verbose {
fmt.Printf("Found newer tenure for %q: %d -> %d\n", sub.Username, s.Tenure, sub.Tenure)
}
s.Tenure = sub.Tenure
}
if sub.SubDate.Before(s.SubDate) {
if verbose {
fmt.Printf("Found older sub date for %q: %s -> %s\n",
sub.Username,
s.SubDate.Format(time.RFC822),
sub.SubDate.Format(time.RFC822))
}
s.SubDate = sub.SubDate
}
return sl
}
}
return append(sl, sub)
}
const asmTemplate = " .byte $%02X, %q" // prefix, suffix, attribute, name
func (s *Subscriber) AsmString() string {
length := len(s.Username)
half := int(length / 2)
offset := 16 - half
trailing := 32 - (offset + length)
chunkLength := length + offset + trailing
if chunkLength != 32 {
panic(fmt.Sprintf("Chunklength is not 64 bytes (%d)! %q length:%d offset:%d trailing:%d half:%d", chunkLength, s.Username, length, offset, trailing, half))
}
attr_len := (s.Tier-1)<<uint(6) | len(s.Username)
return fmt.Sprintf(asmTemplate, attr_len, s.Username)
}
func (s Subscriber) String() string {
return fmt.Sprintf("%s: Tier %d", s.Username, s.Tier)
}
func main() {
var inputDirectory string
var outputName string
var exclude string
var samples bool
flag.StringVar(&inputDirectory, "i", "", "Directory with input CSV files.")
flag.StringVar(&outputName, "o", "credits_data.i", "Output assembly file.")
flag.BoolVar(&verbose, "verbose", false, "Verbose output.")
flag.StringVar(&exclude, "x", "", "A comma separated list of names to exclude.")
flag.BoolVar(&samples, "sample-names", false, "Use sample names csv in the provided directory")
flag.Parse()
if len(exclude) > 0 {
excludeNames = strings.Split(exclude, ",")
}
if len(inputDirectory) == 0 {
fmt.Println("ERROR: Missing input directory")
os.Exit(1)
}
info, err := os.Stat(inputDirectory)
if err != nil {
fmt.Println(err)
os.Exit(1)
}
if !info.IsDir() {
fmt.Println("Input must be a directory")
os.Exit(1)
}
var files []string
if samples {
files = []string{filepath.Join(inputDirectory, "sample-credit-names.csv")}
} else {
files, err = filepath.Glob(filepath.Join(inputDirectory, "*.csv"))
if err != nil {
fmt.Printf("Error Glob()'ing input directory: %v\n", err)
os.Exit(1)
}
}
if len(files) == 0 {
fmt.Println("No CSV files found in directory %q", inputDirectory)
os.Exit(1)
}
sl := SubList{}
for _, inputFile := range files {
if verbose {
fmt.Printf("Reading file %q\n", inputFile)
}
if !samples && filepath.Base(inputFile) == "sample-credit-names.csv" {
continue
}
file, err := os.Open(inputFile)
if err != nil {
fmt.Println("ERROR: Unable to open subscriber-list.csv: ", err)
os.Exit(1)
}
reader := csv.NewReader(file)
records, err := reader.ReadAll()
if err != nil {
fmt.Println("ERROR: Unable to read subscriber-list.csv: ", err)
os.Exit(1)
}
if verbose {
fmt.Printf("Found %d records\n", len(records)-1)
}
READ_RECORDS:
for _, row := range records[1:] {
for _, ex := range excludeNames {
if ex == strings.ToLower(row[0]) {
continue READ_RECORDS
}
}
sub, err := NewSub(row)
if err != nil {
fmt.Println("WARNING: Error parsing subscriber: ", err)
} else {
sl = sl.Add(sub)
}
}
}
// Add subs to their tenure groups
SL_SORT:
for _, s := range sl {
for _, g := range SubGroups {
if s.Tenure >= g.Tenure {
g.Subs = append(g.Subs, *s)
continue SL_SORT
}
}
}
for _, g := range SubGroups {
ss := SortSubs(g.Subs)
sort.Sort(ss)
g.Subs = ss
}
if verbose {
for _, g := range SubGroups {
fmt.Println(g.Name)
for _, s := range g.Subs {
fmt.Printf(" Tenure:%d Tier:%d %q\n", s.Tenure, s.Tier, s.Username)
}
}
}
outFile, err := os.Create(outputName)
if err != nil {
fmt.Println("ERROR: Unable to create credits_data.i: ", err)
os.Exit(1)
}
defer outFile.Close()
fmt.Fprintln(outFile, "; asmsyntax=ca65\n")
fmt.Fprintln(outFile, ".segment \"PAGE13\"")
fmt.Fprintln(outFile, "\n.export cr_data_groups\ncr_data_groups:")
fmt.Fprintln(outFile, " .word cr_data_attrib")
for _, g := range SubGroups {
fmt.Fprintf(outFile, " .word %s\n", g.Label)
}
// TODO: load and generate attribution data
fmt.Fprintf(outFile, "\n.export CR_GROUP_COUNT\nCR_GROUP_COUNT = %d\n", len(SubGroups)+1)
count := 0
byteLen := 0
for _, g := range SubGroups {
fmt.Fprintf(outFile, "\n; %s\n", g.Name)
fmt.Fprintf(outFile, "%s:\n", g.Label)
for _, s := range g.Subs {
fmt.Fprintln(outFile, s.AsmString())
count++
byteLen += len(s.Username) + 1
}
byteLen++
fmt.Fprintln(outFile, CR_EOD)
}
fmt.Fprintln(outFile, `
; Attributions
cr_data_attrib:
; length of label, label, length of name, name
; Length's bit 7 denote type of data. 0 for label, 1 for name.
.byte $0F, "Some sprite work", $86, "Mr Bob"
.byte $05, "Music", $8C, "Some guy, idk"
.byte $00 ; NULL is end of list`)
fmt.Printf("%d names in %d bytes\n", count, byteLen)
}
// exists returns whether the given file or directory exists or not.
// Taken from https://stackoverflow.com/a/10510783
func exists(path string) bool {
_, err := os.Stat(path)
if err == nil {
return true
}
if os.IsNotExist(err) {
return false
}
return true
}