feat: shop system removed from talk system, added per-item restock and variable pricing

1 files changed, 7 insertions, 6 deletions

diff --git a/internal/behavior/behavior.go b/internal/behavior/behavior.go
index 646495a..06e2715 100644
--- a/internal/behavior/behavior.go
+++ b/internal/behavior/behavior.go
@@ -66,7 +66,6 @@ type ShopConfig struct {
 	Message          string     `yaml:"message"`
 	BuyPercentage    float64    `yaml:"buy_percentage"`    // sell price at zero stock, % of value (default 40)
 	ChangePercentage float64    `yaml:"change_percentage"` // sell price drop per unit of stock, % of value (default 3)
-	RestockTicks     float64    `yaml:"restock_ticks"`     // shop-wide default restock interval
 	BuysAnything     *bool      `yaml:"buys_anything"`     // buy items not in the list (default true)
 	Items            []ShopItem `yaml:"items"`
 }
@@ -82,9 +81,14 @@ const (
 	ShopBuyPercentage    = 40.0
 	ShopChangePercentage = 3.0
 	ShopMinSellPercent   = 10.0
-	ShopDefaultRestock   = 100.0
 )
 
+// ShopDefaultRestock is the fallback restock interval (in ticks) for a shop item
+// that does not set its own restock_ticks. It is configurable via
+// game_constants.shop_default_restock in config.yaml (wired up at startup); the
+// value here is only the default used when no config is loaded.
+var ShopDefaultRestock = 1000.0
+
 // EffectiveBuyPercentage returns BuyPercentage or the default.
 func (c *ShopConfig) EffectiveBuyPercentage() float64 {
 	if c.BuyPercentage > 0 {
@@ -120,14 +124,11 @@ func (c *ShopConfig) SellPrice(value, stock int) int {
 }
 
 // RestockInterval returns the effective restock interval (in ticks) for an item,
-// honoring the per-item override, then the shop default, then the global default.
+// honoring the per-item override, then the configurable global default.
 func (c *ShopConfig) RestockInterval(item *ShopItem) int {
 	if item != nil && item.RestockTicks > 0 {
 		return int(item.RestockTicks)
 	}
-	if c.RestockTicks > 0 {
-		return int(c.RestockTicks)
-	}
 	return int(ShopDefaultRestock)
 }