[feature] armor twang sounds about gemrb HOT 7 CLOSED

// Called by CGameSprite::AIUpdate 
CGameSprite::ChangeDirection()
{
	if (CGameSprite.m_nNewDirection == CGameSprite.m_nDirection)
	{
		return // Exit function
	}

	CGameAnimationType::SLOW_MOVE_SCALE = 6 // Const
	move_scale = CGameAnimationType::GetMoveScale()

	if (move_scale < CGameAnimationType::SLOW_MOVE_SCALE * 2)
	{
		movement_value = 2 - (move_scale / CGameAnimationType::SLOW_MOVE_SCALE)
		remainder = CGameSprite.m_id % movement_value
		remainder2 = CInfGame.m_worldTime.m_gameTime % movement_value

		if (remainder != remainder2)
		{
			return // Exit function
		}
	}

	goto :armor_sound_logic
}

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// Called in many different places, (sequence corresponds to SEQ.IDS)
CGameSprite::SetSequence(new_sequence)
{
	old_sequence = CGameSprite.m_nSequence

	if (new_sequence == old_sequence && new_sequence != 7)
	{
		return // Exit function
	}

	stats = CGameSprite::GetActiveStats()
	state = stats.m_generalState

	if (
		   state & 0x80   != 0 // STATE_STONE_DEATH
		|| state & 0x40   != 0 // STATE_FROZEN_DEATH
		|| state & 0x1000 != 0 // STATE_SILENCED
	)
	{
		return // Exit function
	}

	goto :armor_sound_logic
}

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:armor_sound_logic // Inlined in the above two functions

stats = CGameSprite::GetActiveStats()

if (stats.m_generalState & 0x1000 == 0) // Not STATE_SILENCED
{
	if (!CInfGame.m_options.m_bDisableFootstepsDuringCombat || CGameArea.m_nBattleSongCounter <= 0)
	{
		if (  
			   (CInfGame.m_options.m_bAutomatedSoundFootStepsOn && CInfGame.m_options.m_soundFootStepsOn)
		    || (CInfGame::GetCharacterPortraitNum() != -1) // Is one of the "core" 6 party members
		)
		{
			armor_sound = CGameAnimationTypeCharacter::GetSndArmor()

			if (armor_sound != "")
			{
				// Play armor sound
			}
		}
	}
}

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CGameAnimationTypeCharacter::GetSndArmor()
{
	animation_id = CGameAnimationTypeCharacter.baseclass_0.m_animationID // ANIMATE.IDS
	armor_code = CGameAnimationTypeCharacter.m_armorCode // (See below)

	// Character has mage animation, or non-mage wearing mage robes (See below)
	if (animation_id & 0xF00 == 0x200 || armor_code == 0x31)
	{
		return ""
	}

	// ARM_04G and ARM_04H exist, but can't be picked by the following random(??)
	random_ascii = rand{ascii a-f or "", equal probability} 

	return "ARM_0" + armor_code + random_ascii
}

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m_armorCode is set on the character via CItem::TranslateAnimationType().

// Flags
is_mage_animation = CGameSprite.m_baseStats.m_animationType & 0xF00 == 0x200 // ANIMATE.IDS
is_itm_mage_robes = Item_Header_st.animationType[1] == 0x57 ("W") // Second byte at +0x22 of .ITM

// Return conditions for Armor(2) items:

is_itm_mage_robes  && is_mage_animation  => return Item_Header_st.animationType[0] // First byte at +0x22 of .ITM
!is_itm_mage_robes && !is_mage_animation => return Item_Header_st.animationType[0] // First byte at +0x22 of .ITM

is_itm_mage_robes  && !is_mage_animation => return 0x31 ("1")
!is_itm_mage_robes && is_mage_animation  => return 0x31 ("1")

// Character has mage animation, or non-mage wearing mage robes (See below)
	if (animation_id & 0xF00 == 0x200 || armor_code == 0x31)
	{
		return ""
	}