EquipType: use GunManager implementation

- Weapon equipment now uses the GunManager API (with a shim to continue using the existing weapon data)
- The GunManager has its weapon mount information populated from Lua on construction or ship type change

data/libs/EquipType.lua

@@ -272,28 +272,55 @@ end
 -- Base type for weapons
 ---@class Equipment.LaserType : EquipType
 ---@field laser_stats table
+---@field weapon_data table
 local LaserType = utils.inherits(EquipType, "Equipment.LaserType")
 
+function LaserType.New(specs)
+	local item = setmetatable(EquipType.New(specs), LaserType.meta)
+	local ls = specs.laser_stats
+
+	-- NOTE: backwards-compatibility with old laser_stats definitions
+	if ls then
+
+		local projectile = {
+			lifespan = ls.lifespan,
+			speed = ls.speed,
+			damage = ls.damage,
+			beam = ls.beam == 1,
+			mining = ls.mining == 1,
+			length = ls.length,
+			width = ls.width,
+			color = Color(ls.rgba_r, ls.rgba_g, ls.rgba_b, ls.rgba_a),
+		}
+
+		item.weapon_data = {
+			rpm = 60 / ls.rechargeTime,
+			heatPerShot = ls.heatrate or 0.01,
+			cooling = ls.coolrate or 0.01,
+			overheat = 1.0,
+			projectile = projectile,
+			numBarrels = 1 + ls.dual
+		}
+
+	end
+
+	return item
+end
+
 ---@param ship Ship
 ---@param slot HullConfig.Slot
 function LaserType:OnInstall(ship, slot)
 	EquipType.OnInstall(self, ship, slot)
 
-	for k, v in pairs(self.laser_stats) do
-		-- TODO: allow installing more than one laser
-		ship:setprop('laser_front_' .. k, v)
-	end
+	ship:GetComponent('GunManager'):MountWeapon(slot.id, self.weapon_data)
 end
 
 ---@param ship Ship
 ---@param slot HullConfig.Slot
 function LaserType:OnRemove(ship, slot)
 	EquipType.OnRemove(self, ship, slot)
 
-	for k, v in pairs(self.laser_stats) do
-		-- TODO: allow installing more than one laser
-		ship:setprop('laser_front_' .. k, nil)
-	end
+	ship:GetComponent('GunManager'):UnmountWeapon(slot.id)
 end
 
 --==============================================================================

data/libs/HullConfig.lua

@@ -27,6 +27,7 @@ Slot.hardpoint = false
 Slot.i18n_key = nil ---@type string?
 Slot.i18n_res = "equipment-core"
 Slot.count = nil ---@type integer?
+Slot.gimbal = nil ---@type table?
 
 -- Class: HullConfig
 --

data/libs/Ship.lua

@@ -29,6 +29,8 @@ function Ship:Constructor()
 	self:SetComponent('CargoManager', CargoManager.New(self))
 	self:SetComponent('EquipSet', EquipSet.New(self))
 
+	self:UpdateWeaponSlots()
+
 	-- Timers cannot be started in ship constructors before Game is fully set,
 	-- so trigger a lazy event to setup gameplay timers.
 	--
@@ -40,6 +42,23 @@ end
 function Ship:OnShipTypeChanged()
 	-- immediately update any needed components or properties
 	self:GetComponent('EquipSet'):OnShipTypeChanged()
+
+	self:UpdateWeaponSlots()
+end
+
+---@private
+function Ship:UpdateWeaponSlots()
+	local equipSet = self:GetComponent('EquipSet')
+	local gunManager = self:GetComponent('GunManager')
+
+	for _, slot in ipairs(equipSet:GetAllSlotsOfType("weapon", true)) do
+		if not slot.gimbal then
+			print('Missing hardpoint gimbal on ship {} for slot {}' % { self.shipId, slot.id })
+		end
+
+		local gimbal = Vector2(table.unpack(slot.gimbal or { 1, 1 }))
+		gunManager:AddWeaponMount(slot.id, slot.tag, gimbal)
+	end
 end
 
 -- class method