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|
package game
import (
"io"
"log"
"net/http"
"path"
"strconv"
"strings"
"golang.org/x/exp/slices"
"gopkg.in/yaml.v3"
)
type CardType int
const (
UndefinedCardType CardType = iota
UnitType
SpellType
ArtifactType
EquipmentType
PotionType
IntentionType
)
func (ct CardType) String() string {
switch ct {
case UndefinedCardType:
return "undefined"
case UnitType:
return "unit"
case SpellType:
return "spell"
case ArtifactType:
return "artifact"
case EquipmentType:
return "equipment"
case PotionType:
return "potion"
case IntentionType:
return "intention"
}
log.Panicf("Switch not exhausting %d", ct)
return ""
}
var CardTypes = struct {
Unit CardType
Spell CardType
Artifact CardType
Equipment CardType
Potion CardType
Intention CardType
}{
Unit: UnitType,
Spell: SpellType,
Artifact: ArtifactType,
Equipment: EquipmentType,
Potion: PotionType,
Intention: IntentionType,
}
var CardTypeNames = map[string]CardType{
"unit": UnitType,
"spell": SpellType,
"artifact": ArtifactType,
"equipment": EquipmentType,
"potion": PotionType,
"intention": IntentionType,
}
const (
CARD_DATA_URL string = "data/cards"
NOT_BUYABLE int = -1
)
type Card struct {
Name string
Set SetIdentifier
Type CardType
BuyCost int
Values map[string]interface{}
}
var cards = map[string]map[string][]byte{}
func retrieveCardDefinition(cardPath string) []byte {
url := PROTOCOL + path.Join(BASE_URL, CARD_DATA_URL, cardPath+".yml")
log.Printf("loading %s\n", url)
resp, err := http.Get(url)
if err != nil {
log.Fatal(err)
}
defer resp.Body.Close()
data, err := io.ReadAll(resp.Body)
if err != nil {
log.Fatal(err)
}
return data
}
func (card *Card) parseDefinition(definition []byte) {
data := make(map[interface{}]interface{})
err := yaml.Unmarshal(definition, &data)
if err != nil {
log.Fatalf("parsing %s failed with: %v\n", definition, err)
}
name, found := data["name"]
if !found {
log.Fatalf("no name in card yaml %s\n", definition)
}
delete(data, "name")
switch nameYml := name.(type) {
case string:
card.Name = nameYml
case map[string]interface{}:
cardName := nameYml["en"]
card.Name = cardName.(string)
default:
log.Fatalf("Unexpected type %T of yml card field 'Name'\n", name)
}
t, found := data["type"]
if !found {
log.Fatalf("no type in card yaml %s\n", definition)
}
delete(data, "type")
card.Type = CardTypeNames[t.(string)]
bc, found := data["buy"]
if found {
card.BuyCost = bc.(int)
}
delete(data, "buy")
for k, v := range data {
card.Values[k.(string)] = v
}
}
func (card *Card) getCanonicalValues(key string) []string {
var values []string
untypedValues, found := card.Values[key]
if !found {
return []string{}
}
switch typedValues := untypedValues.(type) {
case map[string]interface{}:
enValues := typedValues["en"]
switch typedEnValues := enValues.(type) {
case string:
values = []string{typedEnValues}
case []string:
values = typedEnValues
case []interface{}:
values = []string{}
for _, v := range typedEnValues {
values = append(values, v.(string))
}
}
case string:
values = []string{typedValues}
case int:
values = []string{strconv.Itoa(typedValues)}
case []string:
values = typedValues
}
for i, value := range values {
values[i] = strings.ToLower(value)
}
return values
}
func (card *Card) getEffects() []string {
return card.getCanonicalValues("effect")
}
func (card *Card) hasEffect(effect string) bool {
return slices.Contains(card.getEffects(), effect)
}
func (card *Card) hasMovementEffect(effect string) bool {
if slices.Contains(card.getEffects(), effect) {
return true
}
movementDesc := card.getCanonicalValues("movement")[0]
return strings.Contains(movementDesc, effect)
}
func (card *Card) getAI() string {
aiDesc := card.getCanonicalValues("ai")
if len(aiDesc) == 0 {
return ""
}
return strings.Split(aiDesc[0], " ")[0]
}
func NewCard(cardPath string) *Card {
cardName := path.Base(cardPath)
set := path.Dir(cardPath)
cardDefinition, found := cards[set][cardName]
if !found {
cardDefinition = retrieveCardDefinition(cardPath)
if cards[set] == nil {
cards[set] = map[string][]byte{}
}
cards[set][cardName] = cardDefinition
}
c := Card{"", SetIdentifierNames[set], UndefinedCardType, -1, map[string]interface{}{}}
c.parseDefinition(cardDefinition)
return &c
}
func (c *Card) Path() string {
fileName := strings.ReplaceAll(strings.ToLower(c.Name), " ", "_")
return path.Join(c.Set.String(), fileName)
}
func (c *Card) IsPermanent() bool {
return c.Type != UndefinedCardType && c.Type != SpellType && c.Type != IntentionType
}
func (c *Card) GetPlayCosts() int {
switch c.Type {
case UnitType:
return c.Values["upkeep"].(int)
default:
return c.Values["play"].(int)
}
}
|
