Remove unused player property _pISplDur

Source/loadsave.cpp

@@ -516,9 +516,9 @@ void LoadPlayer(LoadHelper &file, Player &player)
 	player._pIFlags = static_cast<ItemSpecialEffect>(file.NextLE<int32_t>());
 	player._pIGetHit = file.NextLE<int32_t>();
 	player._pISplLvlAdd = file.NextLE<int8_t>();
-	file.Skip(1); // Unused
-	file.Skip(2); // Alignment
-	player._pISplDur = file.NextLE<int32_t>();
+	file.Skip(1);         // Unused
+	file.Skip(2);         // Alignment
+	file.Skip<int32_t>(); // _pISplDur
 	player._pIEnAc = file.NextLE<int32_t>();
 	player._pIFMinDam = file.NextLE<int32_t>();
 	player._pIFMaxDam = file.NextLE<int32_t>();
@@ -1330,7 +1330,7 @@ void SavePlayer(SaveHelper &file, const Player &player)
 	file.WriteLE<int8_t>(player._pISplLvlAdd);
 	file.Skip<uint8_t>(); // Skip _pISplCost
 	file.Skip(2);         // Alignment
-	file.WriteLE<int32_t>(player._pISplDur);
+	file.Skip<int32_t>(); // _pISplDur
 	file.WriteLE<int32_t>(player._pIEnAc);
 	file.WriteLE<int32_t>(player._pIFMinDam);
 	file.WriteLE<int32_t>(player._pIFMaxDam);

Source/missiles.cpp

@@ -1869,8 +1869,6 @@ void AddFireWall(Missile &missile, AddMissileParameter &parameter)
 		missile._mirange *= i + 1;
 	if (missile._micaster == TARGET_PLAYERS || missile._misource < 0)
 		missile._mirange += currlevel;
-	else
-		missile._mirange += (Players[missile._misource]._pISplDur * missile._mirange) / 128;
 	missile._mirange *= 16;
 	missile.var1 = missile._mirange - missile._miAnimLen;
 }
@@ -2122,7 +2120,6 @@ void AddGuardian(Missile &missile, AddMissileParameter &parameter)
 
 	missile._mlid = AddLight(missile.position.tile, 1);
 	missile._mirange = missile._mispllvl + (player._pLevel / 2);
-	missile._mirange += (missile._mirange * player._pISplDur) / 128;
 
 	if (missile._mirange > 30)
 		missile._mirange = 30;
@@ -2313,7 +2310,6 @@ void AddStoneCurse(Missile &missile, AddMissileParameter &parameter)
 	missile.position.tile = *targetMonsterPosition;
 	missile.position.start = missile.position.tile;
 	missile._mirange = missile._mispllvl + 6;
-	missile._mirange += (missile._mirange * player._pISplDur) / 128;
 
 	if (missile._mirange > 15)
 		missile._mirange = 15;
@@ -2455,7 +2451,6 @@ void AddInfravision(Missile &missile, AddMissileParameter & /*parameter*/)
 	Player &player = Players[missile._misource];
 
 	missile._mirange = ScaleSpellEffect(1584, missile._mispllvl);
-	missile._mirange += missile._mirange * player._pISplDur / 128;
 }
 
 void AddFlameWaveControl(Missile &missile, AddMissileParameter &parameter)

Source/player.h

@@ -268,7 +268,6 @@ struct Player {
 	int _pIBonusAC;
 	int _pIBonusDamMod;
 	int _pIGetHit;
-	int _pISplDur;
 	int _pIEnAc;
 	int _pIFMinDam;
 	int _pIFMaxDam;

test/player_test.cpp

@@ -165,7 +165,6 @@ static void AssertPlayer(Player &player)
 	ASSERT_EQ(player._pIFlags, ItemSpecialEffect::None);
 	ASSERT_EQ(player._pIGetHit, 0);
 	ASSERT_EQ(player._pISplLvlAdd, 0);
-	ASSERT_EQ(player._pISplDur, 0);
 	ASSERT_EQ(player._pIEnAc, 0);
 	ASSERT_EQ(player._pIFMinDam, 0);
 	ASSERT_EQ(player._pIFMaxDam, 0);

test/writehero_test.cpp

@@ -349,7 +349,6 @@ void AssertPlayer(Player &player)
 	ASSERT_EQ(player._pIFlags, ItemSpecialEffect::None);
 	ASSERT_EQ(player._pIGetHit, 0);
 	ASSERT_EQ(player._pISplLvlAdd, 0);
-	ASSERT_EQ(player._pISplDur, 0);
 	ASSERT_EQ(player._pIEnAc, 0);
 	ASSERT_EQ(player._pIFMinDam, 0);
 	ASSERT_EQ(player._pIFMaxDam, 0);