feat: create item variants

src/core/config/Items.ts

@@ -94,36 +94,66 @@ export type ItemTemplateId = keyof typeof ALL_TEMPLATES;
 // Factory Functions
 // =============================================================================
 
-export function createConsumable(id: ConsumableId, quantity = 1): ConsumableItem {
+import { 
+  ALL_VARIANTS, 
+  type ArmourVariantId,
+  type WeaponVariantId,
+  type ConsumableVariantId
+} from "./ItemVariants";
+
+export function createConsumable(
+  id: ConsumableId, 
+  quantity = 1, 
+  variant?: ConsumableVariantId
+): ConsumableItem {
   const t = CONSUMABLES[id];
+  const v = variant ? ALL_VARIANTS[variant] : null;
+  
+  // Apply effect multiplier for consumables
+  const effectMult = v?.statModifiers.effectMultiplier ?? 1;
+  const baseHealAmount = "healAmount" in t ? t.healAmount : undefined;
+  const finalHealAmount = baseHealAmount ? Math.floor(baseHealAmount * effectMult) : undefined;
+  
+  const name = v ? `${v.prefix} ${t.name}` : t.name;
+  
   return {
     id,
-    name: t.name,
+    name,
     type: "Consumable",
     textureKey: t.textureKey,
     spriteIndex: t.spriteIndex,
     stackable: t.stackable ?? false,
     quantity,
+    variant,
     stats: {
-      hp: "healAmount" in t ? t.healAmount : undefined,
+      hp: finalHealAmount,
       attack: "attack" in t ? t.attack : undefined,
     },
     throwable: "throwable" in t ? t.throwable : undefined,
   };
 }
 
-export function createRangedWeapon(id: RangedWeaponId): RangedWeaponItem {
+export function createRangedWeapon(
+  id: RangedWeaponId, 
+  variant?: WeaponVariantId
+): RangedWeaponItem {
   const t = RANGED_WEAPONS[id];
+  const v = variant ? ALL_VARIANTS[variant] : null;
+  
+  const name = v ? `${v.prefix} ${t.name}` : t.name;
+  const attackBonus = (v?.statModifiers as { attack?: number })?.attack ?? 0;
+  
   return {
     id,
-    name: t.name,
+    name,
     type: "Weapon",
     weaponType: "ranged",
     textureKey: t.textureKey,
     spriteIndex: t.spriteIndex,
     currentAmmo: t.magazineSize,
+    variant,
     stats: {
-      attack: t.attack,
+      attack: t.attack + attackBonus,
       range: t.range,
       magazineSize: t.magazineSize,
       ammoType: t.ammoType,
@@ -133,17 +163,26 @@ export function createRangedWeapon(id: RangedWeaponId): RangedWeaponItem {
   };
 }
 
-export function createMeleeWeapon(id: MeleeWeaponId): MeleeWeaponItem {
+export function createMeleeWeapon(
+  id: MeleeWeaponId,
+  variant?: WeaponVariantId
+): MeleeWeaponItem {
   const t = MELEE_WEAPONS[id];
+  const v = variant ? ALL_VARIANTS[variant] : null;
+  
+  const name = v ? `${v.prefix} ${t.name}` : t.name;
+  const attackBonus = (v?.statModifiers as { attack?: number })?.attack ?? 0;
+  
   return {
     id,
-    name: t.name,
+    name,
     type: "Weapon",
     weaponType: "melee",
     textureKey: t.textureKey,
     spriteIndex: t.spriteIndex,
+    variant,
     stats: {
-      attack: t.attack,
+      attack: t.attack + attackBonus,
     },
   };
 }
@@ -162,19 +201,29 @@ export function createAmmo(id: AmmoId, quantity = 10): AmmoItem {
   };
 }
 
-export function createArmour(id: ArmourId): ArmourItem {
+export function createArmour(
+  id: ArmourId, 
+  variant?: ArmourVariantId
+): ArmourItem {
   const t = ARMOUR[id];
+  const v = variant ? ALL_VARIANTS[variant] : null;
+  
+  const name = v ? `${v.prefix} ${t.name}` : t.name;
+  const defenseBonus = v?.statModifiers.defense ?? 0;
+  
   return {
     id,
-    name: t.name,
+    name,
     type: "BodyArmour",
     textureKey: t.textureKey,
     spriteIndex: t.spriteIndex,
+    variant,
     stats: {
-      defense: t.defense,
+      defense: t.defense + defenseBonus,
     },
   };
 }
 
 // Legacy export for backward compatibility during migration
 export const ITEMS = ALL_TEMPLATES;
+