fix: iw5 uses isFrictionInfinity as well

src/Common/Game/IW5/IW5_Assets.h

@@ -206,6 +206,7 @@ namespace IW5
         float mass;
         float bounce;
         float friction;
+        int isFrictionInfinity;
         float bulletForceScale;
         float explosiveForceScale;
         const char* sndAliasPrefix;

src/ObjCommon/Game/IW5/PhysPreset/PhysPresetFields.h

@@ -8,6 +8,7 @@ namespace IW5
         {"mass",                  offsetof(PhysPresetInfo, mass),                  CSPFT_FLOAT   },
         {"bounce",                offsetof(PhysPresetInfo, bounce),                CSPFT_FLOAT   },
         {"friction",              offsetof(PhysPresetInfo, friction),              CSPFT_FLOAT   },
+        {"isFrictionInfinity",    offsetof(PhysPresetInfo, isFrictionInfinity),    CSPFT_QBOOLEAN},
         {"bulletForceScale",      offsetof(PhysPresetInfo, bulletForceScale),      CSPFT_FLOAT   },
         {"explosiveForceScale",   offsetof(PhysPresetInfo, explosiveForceScale),   CSPFT_FLOAT   },
         {"sndAliasPrefix",        offsetof(PhysPresetInfo, sndAliasPrefix),        CSPFT_STRING  },

src/ObjLoading/Game/IW5/PhysPreset/InfoStringLoaderPhysPresetIW5.cpp

@@ -48,7 +48,12 @@ namespace
     {
         physPreset.mass = physPresetInfo.mass;
         physPreset.bounce = physPresetInfo.bounce;
-        physPreset.friction = physPresetInfo.friction;
+
+        if (physPresetInfo.isFrictionInfinity != 0)
+            physPreset.friction = std::numeric_limits<float>::max();
+        else
+            physPreset.friction = physPresetInfo.friction;
+
         physPreset.bulletForceScale = physPresetInfo.bulletForceScale;
         physPreset.explosiveForceScale = physPresetInfo.explosiveForceScale;
         physPreset.sndAliasPrefix = physPresetInfo.sndAliasPrefix;

src/ObjWriting/Game/IW5/PhysPreset/PhysPresetInfoStringDumperIW5.cpp

@@ -47,7 +47,18 @@ namespace
     {
         physPresetInfo->mass = physPreset->mass;
         physPresetInfo->bounce = physPreset->bounce;
-        physPresetInfo->friction = physPreset->friction;
+
+        if (physPreset->friction >= std::numeric_limits<float>::max())
+        {
+            physPresetInfo->isFrictionInfinity = 1;
+            physPresetInfo->friction = 0;
+        }
+        else
+        {
+            physPresetInfo->isFrictionInfinity = 0;
+            physPresetInfo->friction = physPreset->friction;
+        }
+
         physPresetInfo->bulletForceScale = physPreset->bulletForceScale;
         physPresetInfo->explosiveForceScale = physPreset->explosiveForceScale;
         physPresetInfo->sndAliasPrefix = physPreset->sndAliasPrefix;