Add ContrailEndColor and Contrail transparency control

mods/cnc/rules/aircraft.yaml

@@ -213,15 +213,19 @@ C17:
 	Contrail@1:
 		Offset: -261,-650,0
 		TrailLength: 15
+		StartColorAlpha: 128
 	Contrail@2:
 		Offset: -85,-384,0
 		TrailLength: 16
+		StartColorAlpha: 128
 	Contrail@3:
 		Offset: -85,384,0
 		TrailLength: 16
+		StartColorAlpha: 128
 	Contrail@4:
 		Offset: -261,650,0
 		TrailLength: 15
+		StartColorAlpha: 128
 	-MapEditorData:
 
 A10:
@@ -252,9 +256,11 @@ A10:
 	Contrail@1:
 		Offset: -640,171,0
 		TrailLength: 15
+		StartColorAlpha: 128
 	Contrail@2:
 		Offset: -640,-171,0
 		TrailLength: 15
+		StartColorAlpha: 128
 	-MapEditorData:
 
 TRAN.Husk:

mods/cnc/rules/campaign-palettes.yaml

@@ -42,13 +42,13 @@ C17:
 	RenderSprites:
 		PlayerPalette: player-units
 	Contrail@1:
-		UsePlayerColor: False
+		StartColorUsePlayerColor: False
 	Contrail@2:
-		UsePlayerColor: False
+		StartColorUsePlayerColor: False
 	Contrail@3:
-		UsePlayerColor: False
+		StartColorUsePlayerColor: False
 	Contrail@4:
-		UsePlayerColor: False
+		StartColorUsePlayerColor: False
 
 HARV:
 	RenderSprites:

mods/ra/rules/aircraft.yaml

@@ -20,8 +20,10 @@ BADR:
 		Name: Badger
 	Contrail@1:
 		Offset: -432,560,0
+		StartColorAlpha: 128
 	Contrail@2:
 		Offset: -432,-560,0
+		StartColorAlpha: 128
 	SpawnActorOnDeath:
 		Actor: BADR.Husk
 	LeavesTrails@0:
@@ -110,8 +112,10 @@ MIG:
 		DecorationBounds: 1706, 1237, 0, 42
 	Contrail@1:
 		Offset: -598,-683,0
+		StartColorAlpha: 128
 	Contrail@2:
 		Offset: -598,683,0
+		StartColorAlpha: 128
 	SpawnActorOnDeath:
 		Actor: MIG.Husk
 	LeavesTrails:
@@ -191,6 +195,7 @@ YAK:
 	WithMuzzleOverlay:
 	Contrail:
 		Offset: -853,0,0
+		StartColorAlpha: 128
 	SpawnActorOnDeath:
 		Actor: YAK.Husk
 	LeavesTrails:
@@ -458,8 +463,10 @@ U2:
 	-Targetable@AIRBORNE:
 	Contrail@1:
 		Offset: -725,683,0
+		StartColorAlpha: 128
 	Contrail@2:
 		Offset: -725,-683,0
+		StartColorAlpha: 128
 	SpawnActorOnDeath:
 		Actor: U2.Husk
 	LeavesTrails: