horse, cmd/horsegen: include tags in generated skills

Fixes #6.

cmd/horsegen/generate.go

@@ -15,6 +15,8 @@ import (
 	"os/signal"
 	"path/filepath"
 	"slices"
+	"strconv"
+	"strings"
 
 	"golang.org/x/sync/errgroup"
 	"zombiezen.com/go/sqlite"
@@ -170,6 +172,7 @@ func main() {
 				},
 			}),
 			UniqueOwner: s.ColumnText(52), // TODO(zeph): should be id, not name
+			Tags:        parseTags(s.ColumnText(54)),
 			SPCost:      s.ColumnInt(49),
 			IconID:      s.ColumnInt(53),
 		}
@@ -395,6 +398,20 @@ type SparkEffImm struct {
 	Value2 int32
 }
 
+func parseTags(s string) []uint16 {
+	r := make([]uint16, 0, 8)
+	for s != "" {
+		t, u, _ := strings.Cut(s, "/")
+		s = u
+		v, err := strconv.ParseUint(t, 10, 16)
+		if err != nil {
+			panic(fmt.Errorf("parsing skill tags: %w", err))
+		}
+		r = append(r, uint16(v))
+	}
+	return trimZeros(r...)
+}
+
 func trimAbilities(s []horse.Ability) []horse.Ability {
 	for len(s) > 0 && s[len(s)-1].Type == 0 {
 		s = s[:len(s)-1]