fix: weapon may be incorrect in kill events

pkg/demoinfocs/common/equipment.go

@@ -281,7 +281,18 @@ func MapEquipment(eqName string) EquipmentType {
 		wep = EqKnife
 	} else {
 		// If the eqName isn't known it will be EqUnknown as that is the default value for EquipmentType
-		wep = eqNameToWeapon[eqName]
+		if strings.HasPrefix(eqName, "m4a1_silencer") {
+			wep = EqM4A1
+		} else if strings.HasPrefix(eqName, "vesthelm") {
+			wep = EqHelmet
+		} else {
+			for name := range eqNameToWeapon {
+				if strings.HasPrefix(eqName, name) {
+					wep = eqNameToWeapon[name]
+					break
+				}
+			}
+		}
 	}
 
 	return wep

pkg/demoinfocs/common/equipment_test.go

@@ -24,6 +24,8 @@ func TestMapEquipment(t *testing.T) {
 	assert.Equal(t, EqKnife, MapEquipment("weapon_knife_butterfly"), "'weapon_knife_butterfly' should be mapped to EqKnife")
 	assert.Equal(t, EqM4A4, MapEquipment("weapon_m4a1"), "'weapon_m4a1' should be mapped to EqM4A4") // This is correct, weapon_m4a1 == M4A4
 	assert.Equal(t, EqM4A1, MapEquipment("weapon_m4a1_silencer"), "'weapon_m4a1_silencer' should be mapped to EqM4A1")
+	assert.Equal(t, EqKevlar, MapEquipment("weapon_vest"), "'weapon_vest' should be mapped to EqKevlar")
+	assert.Equal(t, EqHelmet, MapEquipment("weapon_vesthelm"), "'weapon_vesthelm' should be mapped to EqHelmet")
 	assert.Equal(t, EqUnknown, MapEquipment("asdf"), "'asdf' should be mapped to EqUnknown")
 }