From 9666676766bf21364f4fc4d0d1d336e72f2a91b4 Mon Sep 17 00:00:00 2001
From: historia <[not public]>
Date: Tue, 6 Oct 2026 12:57:23 -0400
Subject: refactor: split casino.go, dedup helpers, remove audit docs

---
 internal/game/production_engine.go | 43 +++++++++++++++++++++++++-------------
 1 file changed, 29 insertions(+), 14 deletions(-)

(limited to 'internal/game/production_engine.go')

diff --git a/internal/game/production_engine.go b/internal/game/production_engine.go
index 4717fbf..682cea3 100644
--- a/internal/game/production_engine.go
+++ b/internal/game/production_engine.go
@@ -76,14 +76,12 @@ func (g *Game) startProduction(sess *net.Session, p *player.Player, item *item.I
 	g.cancelAction(p)
 	g.cancelBgAction(p)
 
-	skill := craft.EffectiveSkill()
-	if skill != "" {
-		skillLevel := p.Level(player.SkillName(skill))
-		if skillLevel < craft.Level {
-			sess.WriteLine(fmt.Sprintf("You need level %d %s to do that.", craft.Level, skill))
-			g.reprompt(sess)
-			return
-		}
+	skill := recipeSkill(craft)
+	skillLevel := p.Level(skill)
+	if skillLevel < craft.Level {
+		sess.WriteLine(fmt.Sprintf("You need level %d %s to do that.", craft.Level, skill))
+		g.reprompt(sess)
+		return
 	}
 
 	if !craftHasAllItemsQty(craft, p.CountItem) {
@@ -92,6 +90,23 @@ func (g *Game) startProduction(sess *net.Session, p *player.Player, item *item.I
 		return
 	}
 
+	// Enforce station and tool requirements here, at the single execution
+	// chokepoint. Recipes can also start via `use X with Y` and trigger
+	// transports that bypass the crafting menus; without this, a recipe can
+	// be executed anywhere with no station or tool.
+	if len(craft.Station) > 0 {
+		if stID, _ := g.findStation(p.RoomID, craft.Station); stID == "" {
+			sess.WriteLine("You are not near the required station.")
+			g.reprompt(sess)
+			return
+		}
+	}
+	if craft.Tool != "" && !g.hasToolType(p, craft.Tool) {
+		sess.WriteLine("You do not have the required tool.")
+		g.reprompt(sess)
+		return
+	}
+
 	outDef, _ := g.ItemStore.Load(item.ID)
 
 	wait := craft.TicksPerCycle
@@ -129,8 +144,8 @@ func (g *Game) startProduction(sess *net.Session, p *player.Player, item *item.I
 func (g *Game) usableCraftIndex(p *player.Player, item *item.ItemDef) int {
 	for i := range item.Craft {
 		c := &item.Craft[i]
-		skill := c.EffectiveSkill()
-		if skill != "" && p.Level(player.SkillName(skill)) < c.Level {
+		skill := recipeSkill(c)
+		if p.Level(skill) < c.Level {
 			continue
 		}
 		if !craftHasAllItemsQty(c, p.CountItem) {
@@ -248,8 +263,8 @@ func (g *Game) advanceProduction(sess *net.Session, p *player.Player) {
 		return
 	}
 
-	skill := craft.EffectiveSkill()
-	skillLevel := p.Level(player.SkillName(skill))
+	skill := recipeSkill(craft)
+	skillLevel := p.Level(skill)
 	chance := 1.0
 	if craft.Success != nil {
 		chance = behavior.SuccessChance(behavior.SuccessFormula(*craft.Success), skillLevel, craft.Level)
@@ -313,7 +328,7 @@ func (g *Game) advanceProduction(sess *net.Session, p *player.Player) {
 		}
 
 		if craft.XP > 0 {
-			if newLevel := p.AddSkillXP(player.SkillName(skill), craft.XP); newLevel > 0 {
+			if newLevel := p.AddSkillXP(skill, craft.XP); newLevel > 0 {
 				sess.WriteLine(g.colorize(sess, "level_up", fmt.Sprintf("*** You are now level %d %s! ***", newLevel, skill)))
 			}
 		}
@@ -327,7 +342,7 @@ func (g *Game) advanceProduction(sess *net.Session, p *player.Player) {
 		}
 		msg := g.resolveCraftMessage(sess, craft.SuccessMessage, defaultSuccess, craft, item.ID, byproducts, hasItem)
 		if p.OptionBool("xp_drops") && craft.XP > 0 {
-			msg += g.formatXpDropSingle(sess, p, player.SkillName(skill), craft.XP)
+			msg += g.formatXpDropSingle(sess, p, skill, craft.XP)
 		}
 		sess.WriteLine(msg)
 	} else {
-- 
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