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]

cmd/horsegen/sql/skill.sql

@@ -87,7 +87,7 @@ SELECT
 	COALESCE(u.owner_id, iu.owner_id, 0) AS unique_owner_id,
 	COALESCE(u.name, iu.name, '') AS unique_owner,
 	d.icon_id,
-	ROW_NUMBER() OVER (ORDER BY d.id) - 1 AS "index"
+	d.tag_id
 FROM skill_data d
 	JOIN skill_names n ON d.id = n.id
 	LEFT JOIN skill_data ud ON d.unique_skill_id_1 = ud.id

schema/schema.ts

@@ -227,6 +227,10 @@ export interface Skill {
 	 * Name of the Uma which owns this skill as a unique, if applicable.
 	 */
 	unique_owner?: string;
+	/**
+	 * Skill tags, numeric IDs for matching against other effects.
+	 */
+	tags: number[];
 	/**
 	 * SP cost to purchase the skill, if applicable.
 	 */

skill.go

@@ -37,6 +37,7 @@ type Skill struct {
 	WitCheck    bool         `json:"wit_check"`
 	Activations []Activation `json:"activations"`
 	UniqueOwner string       `json:"unique_owner,omitzero"`
+	Tags        []uint16     `json:"tags"`
 	SPCost      int          `json:"sp_cost,omitzero"`
 	IconID      int          `json:"icon_id"`
 }