feat: add player.FlashbangCount()

This has been asked on discord.

Author: akiver

pkg/demoinfocs/common/player.go

@@ -175,6 +175,21 @@ func (p *Player) Weapons() []*Equipment {
 	return res
 }
 
+// FlashbangCount returns the amount of flashbangs the player currently has in his inventory.
+func (p *Player) FlashbangCount() uint64 {
+	pawn := p.PlayerPawnEntity()
+	if pawn == nil {
+		return 0
+	}
+
+	flashCountProp, ok := pawn.PropertyValue("m_pWeaponServices.m_iAmmo.0014")
+	if !ok {
+		return 0
+	}
+
+	return flashCountProp.UInt64()
+}
+
 // IsSpottedBy returns true if the player has been spotted by the other player.
 // This is NOT "Line of Sight" / FOV - look up "CSGO TraceRay" for that.
 // May not behave as expected with multiple spotters.