Support for the AH-64D radios

- Support for the AH-64D radios
- Mention missing Radio preset support for AH-64D

cherry-pick from 437fdd6d1246ce6dd0bfb20daa5b0a7614b25d00

game/dcs/aircrafttype.py

@@ -14,6 +14,7 @@ from dcs.unittype import FlyingType
 
 from game.dcs.unittype import UnitType
 from game.radio.channels import (
+    ApacheChannelNamer,
     ChannelNamer,
     RadioChannelAllocator,
     CommonRadioChannelAllocator,
@@ -95,6 +96,7 @@ class RadioConfig:
             "tomcat": TomcatChannelNamer,
             "viggen": ViggenChannelNamer,
             "viper": ViperChannelNamer,
+            "apache": ApacheChannelNamer,
         }[config.get("namer", "default")]
 
 

game/radio/channels.py

@@ -258,6 +258,27 @@ class MirageChannelNamer(ChannelNamer):
         return "mirage"
 
 
+class ApacheChannelNamer(ChannelNamer):
+    """Channel namer for the AH-64D Apache"""
+
+    @staticmethod
+    def channel_name(radio_id: int, channel_id: int) -> str:
+        # From the manual: Radio identifier (“VHF” for ARC-186, “UHF” for ARC-164,
+        # “FM1” for first ARC-201D, “FM2” for second ARC-201D, or “HF” for ARC-220).
+        radio_name = [
+            "VHF",  # ARC-186
+            "UHF",  # ARC-164
+            "FM1",  # first ARC-201D
+            "FM2",  # second ARC-201D
+            "HF",  # ARC-220
+        ][radio_id - 1]
+        return f"{radio_name} Ch {channel_id}"
+
+    @classmethod
+    def name(cls) -> str:
+        return "apache"
+
+
 class TomcatChannelNamer(ChannelNamer):
     """Channel namer for the F-14."""
 

resources/units/aircraft/AH-64D_BLK_II.yaml

@@ -16,3 +16,16 @@ price: 20
 role: Attack
 variants:
   AH-64D Apache Longbow: {}
+radios:
+  # DCS uses the 2nd Radio AN/ARC-164 (UHF) as the main intra flight for the Apache
+  # so we use this Radio for Intra and Inter Flight for now
+  # The radio frequencies set in the mission editor are in the current state of Early
+  # access not used for radio presets. Only the flight frequency is used. Any other
+  # frequency has to be entered manually atm.
+  intra_flight: AN/ARC-164
+  inter_flight: AN/ARC-164
+  channels:
+    type: common
+    namer: apache
+    intra_flight_radio_index: 2
+    inter_flight_radio_index: 2