Read BE floats; add min/max damage fields

Add a ReadBEFloat helper for big-endian (PS3) float reads with bounds checking, using BitConverter.Int32BitsToSingle. Introduce new WeaponDef offsets for damage falloff (MinDamage, MinPlayerDamage, MaxDamageRange, MinDamageRange), read them in ToWeaponAsset, and populate WeaponAsset.MinDamage and related local variables. Update the debug/metadata dictionary keys to expose max/min damage, player damage, and damage range values.

Author: primetime43

Call of Duty FastFile Editor/Services/Iw4AssetBridge.cs

@@ -323,6 +323,15 @@ private static int ReadBE(byte[] data, int offset)
                 ? (data[offset] << 24) | (data[offset + 1] << 16) | (data[offset + 2] << 8) | data[offset + 3]
                 : -1;
 
+        /// <summary>Big-endian (PS3) float read; returns 0 if out of range.</summary>
+        private static float ReadBEFloat(byte[] data, int offset)
+        {
+            int bits = ReadBE(data, offset);
+            return bits == -1 && !(data != null && offset >= 0 && offset + 4 <= data.Length)
+                ? 0f
+                : BitConverter.Int32BitsToSingle(bits);
+        }
+
         // Authoritative IW4 enum value lists (weapType_t / weapClass_t from OpenAssetTools; the
         // rest are the standard IW4 lineage enums). The WeaponDef's enum cluster is the 8-int block
         // the reader stores as PlayerAnimTypeThroughStance: [0]=playerAnimType, [1]=weapType,
@@ -352,6 +361,11 @@ private static int ReadBE(byte[] data, int offset)
         private const int WeaponDefDamage = 0x230;
         private const int WeaponDefPlayerDamage = 0x234;
         private const int WeaponDefMeleeDamage = 0x238;
+        // Damage falloff (offsets need typed struct sizing — shorts/bools shift the later region).
+        private const int WeaponDefMinDamage = 0x598;
+        private const int WeaponDefMinPlayerDamage = 0x59C;
+        private const int WeaponDefMaxDamageRange = 0x5A0;
+        private const int WeaponDefMinDamageRange = 0x5A4;
 
         private static WeaponAsset ToWeaponAsset(FastFileLib.Iw4.WeaponVariantDef wp, byte[] zoneData)
         {
@@ -363,6 +377,8 @@ private static WeaponAsset ToWeaponAsset(FastFileLib.Iw4.WeaponVariantDef wp, by
             var def = wp.WeaponDefPtr is { IsResolved: true } ? wp.WeaponDefPtr.Result : null;
 
             int damage = -1, maxAmmo = -1, startAmmo = -1, shotCount = -1, playerDamage = -1, meleeDamage = -1;
+            int minDamage = -1, minPlayerDamage = -1;
+            float maxDamageRange = 0, minDamageRange = 0;
             if (def != null)
             {
                 int b = def.Offset;
@@ -372,6 +388,10 @@ private static WeaponAsset ToWeaponAsset(FastFileLib.Iw4.WeaponVariantDef wp, by
                 maxAmmo = ReadBE(zoneData, b + WeaponDefIMaxAmmo);
                 startAmmo = ReadBE(zoneData, b + WeaponDefIStartAmmo);
                 shotCount = ReadBE(zoneData, b + WeaponDefShotCount);
+                minDamage = ReadBE(zoneData, b + WeaponDefMinDamage);
+                minPlayerDamage = ReadBE(zoneData, b + WeaponDefMinPlayerDamage);
+                maxDamageRange = ReadBEFloat(zoneData, b + WeaponDefMaxDamageRange);
+                minDamageRange = ReadBEFloat(zoneData, b + WeaponDefMinDamageRange);
             }
 
             var weapon = new WeaponAsset
@@ -383,7 +403,7 @@ private static WeaponAsset ToWeaponAsset(FastFileLib.Iw4.WeaponVariantDef wp, by
                 AdsTransInTime = wp.iAdsTransInTime,
                 AdsZoomFov = wp.fAdsZoomFov,
                 Damage = damage,
-                MinDamage = -1,
+                MinDamage = minDamage,
                 MaxAmmo = maxAmmo,
                 StartOffset = wp.Offset,
                 EndOffset = 0,
@@ -420,8 +440,12 @@ private static WeaponAsset ToWeaponAsset(FastFileLib.Iw4.WeaponVariantDef wp, by
             d.Add(("inventoryType", weapon.InventoryName));
             if (def != null)
             {
-                d.Add(("damage", damage.ToString()));
-                d.Add(("playerDamage", playerDamage.ToString()));
+                d.Add(("damage (max)", damage.ToString()));
+                d.Add(("minDamage", minDamage.ToString()));
+                d.Add(("playerDamage (max)", playerDamage.ToString()));
+                d.Add(("minPlayerDamage", minPlayerDamage.ToString()));
+                d.Add(("maxDamageRange", maxDamageRange.ToString("0.#")));
+                d.Add(("minDamageRange", minDamageRange.ToString("0.#")));
                 d.Add(("meleeDamage", meleeDamage.ToString()));
                 d.Add(("shotCount", shotCount.ToString()));
                 d.Add(("startAmmo", startAmmo.ToString()));