v1.4.4

assets/devel/items/active/weapons/ranged/guidedrocketlauncher/guidedrocketlauncher.activeitem

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+{
+  "itemName" : "guidedrocketlauncher",
+  
+  "maxStack" : 1,
+  "rarity" : "legendary",
+  "description" : "It's time to rock some wicked trick shots.",
+  "shortdescription" : "Guided Rocket Launcher",
+  "tooltipKind" : "gun",
+  "weaponType" : "Gun",
+  "twoHanded" : true,
+  "itemTags" : ["weapon"],
+
+  "inventoryIcon" : "guidedrocketlauncher.png",
+  "animation" : "guidedrocketlauncher.animation",
+  "animationCustom" : { },
+  "scripts" : ["guidedrocketlauncher.lua"],
+  "fireOffset" : [2.0, 1.0],
+  
+  "level" : 6,
+  "fireTime" : 2.0,
+  "inaccuracy" : 0.02,
+  "projectileType" : "guidedrocket",
+  "projectileParameters" : {
+    "power" : 12
+  }
+}

assets/devel/items/active/weapons/ranged/guidedrocketlauncher/guidedrocketlauncher.animation

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+{
+  "animatedParts" : {
+    "stateTypes" : {
+      "reload" : {
+        "default" : "ready",
+        "states" : {
+          "ready" : {},
+          "reload" : {
+            "frames" : 4,
+            "cycle" : 1.0,
+            "mode" : "transition",
+            "transition" : "ready"
+          }
+        }
+      }
+    },
+
+    "parts" : {
+      "gun" : {
+        "properties" : {
+          "centered" : true,
+          "image" : "guidedrocketlauncher.png",
+          "offset" : [-0.75, 0.75]
+        }
+      },
+      "reloadLights" : {
+        "properties" : {
+          "centered" : true,
+          "offset" : [-0.5, 0.875],
+          "zLevel" : 1,
+          "fullbright" : true
+        },
+
+        "partStates" : {
+          "reload" : {
+            "ready" : {
+              "properties" : {
+                "image" : "reloadlights.png:ready"
+              }
+            },
+            "reload" : {
+              "properties" : {
+                "image" : "reloadlights.png:reload.<frame>"
+              }
+            }
+          }
+        }
+      }
+    }
+  },
+
+  "particleEmitters" : {
+    "fireParticles" : {
+      "emissionRate" : 10.0,
+      "particles" : [
+        {
+          "particle" : "rocketbarrelpuff",
+          "offset" : [2, 0.75]
+        },
+        {
+          "particle" : "rocketbarrelpuff",
+          "offset" : [2, 0.75]
+        },
+        {
+          "particle" : "rocketbarrelpuff",
+          "offset" : [2, 0.75]
+        },
+        {
+          "particle" : "rocketbarrelpuff",
+          "offset" : [2, 0.75]
+        },
+        {
+          "particle" : "rocketbarrelpuff",
+          "offset" : [2, 0.75]
+        },
+        {
+          "particle" : "rocketbarrelpuff",
+          "offset" : [2, 0.75]
+        },
+        {
+          "particle" : "rocketbarrelpuff",
+          "offset" : [2, 0.75]
+        }
+      ]
+    }
+  },
+
+  "sounds" : {
+    "fire" : [ "/sfx/gun/rocket1.ogg" ]
+  }
+}

assets/devel/items/active/weapons/ranged/guidedrocketlauncher/guidedrocketlauncher.lua

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+require "/scripts/vec2.lua"
+
+function init()
+  -- scale damage and calculate energy cost
+  self.pType = config.getParameter("projectileType")
+  self.pParams = config.getParameter("projectileParameters", {})
+  if not self.pParams.power then
+    local projectileConfig = root.projectileConfig(self.pType)
+    self.pParams.power = projectileConfig.power
+  end
+  self.pParams.power = self.pParams.power * root.evalFunction("weaponDamageLevelMultiplier", config.getParameter("level", 1))
+  self.energyPerShot = 3 * self.pParams.power
+
+  self.fireOffset = config.getParameter("fireOffset")
+  updateAim()
+
+  storage.fireTimer = storage.fireTimer or 0
+  self.recoilTimer = 0
+
+  animator.setAnimationRate(1 / config.getParameter("fireTime", 1.0))
+
+  self.activeRockets = {}
+  updateCursor()
+end
+
+function update(dt, fireMode, shiftHeld)
+  updateAim()
+
+  storage.fireTimer = math.max(storage.fireTimer - dt, 0)
+  self.recoilTimer = math.max(self.recoilTimer - dt, 0)
+
+  if fireMode ~= "none"
+      and storage.fireTimer <= 0
+      and not world.pointTileCollision(firePosition())
+      and status.overConsumeResource("energy", self.energyPerShot) then
+
+    storage.fireTimer = config.getParameter("fireTime", 1.0)
+    fire()
+  end
+
+  activeItem.setRecoil(self.recoilTimer > 0)
+
+  updateRockets()
+  updateCursor()
+end
+
+function updateCursor()
+  if #self.activeRockets > 0 then
+    activeItem.setCursor("/cursors/chargeready.cursor")
+  else
+    activeItem.setCursor("/cursors/reticle0.cursor")
+  end
+end
+
+function uninit()
+  for i, rocket in ipairs(self.activeRockets) do
+    world.callScriptedEntity(rocket, "setTarget", nil)
+  end
+end
+
+function fire()
+  self.pParams.powerMultiplier = activeItem.ownerPowerMultiplier()
+  local rocketId = world.spawnProjectile(
+      self.pType,
+      firePosition(),
+      activeItem.ownerEntityId(),
+      aimVector(),
+      false,
+      self.pParams
+    )
+  if rocketId then
+    self.activeRockets[#self.activeRockets + 1] = rocketId
+  end
+  animator.setAnimationState("reload", "reload", true)
+  animator.burstParticleEmitter("fireParticles")
+  animator.playSound("fire")
+  self.recoilTimer = config.getParameter("recoilTime", 0.12)
+end
+
+function updateAim()
+  self.aimAngle, self.aimDirection = activeItem.aimAngleAndDirection(self.fireOffset[2], activeItem.ownerAimPosition())
+  activeItem.setArmAngle(self.aimAngle)
+  activeItem.setFacingDirection(self.aimDirection)
+end
+
+function updateRockets()
+  local newRockets = {}
+  for i, rocket in ipairs(self.activeRockets) do
+    if world.entityExists(rocket) then
+      newRockets[#newRockets + 1] = rocket
+    end
+  end
+  self.activeRockets = newRockets
+
+  for i, rocket in ipairs(self.activeRockets) do
+    world.callScriptedEntity(rocket, "setTarget", activeItem.ownerAimPosition())
+  end
+end
+
+function firePosition()
+  return vec2.add(mcontroller.position(), activeItem.handPosition(self.fireOffset))
+end
+
+function aimVector()
+  local aimVector = vec2.rotate({1, 0}, self.aimAngle + sb.nrand(config.getParameter("inaccuracy", 0), 0))
+  aimVector[1] = aimVector[1] * self.aimDirection
+  return aimVector
+end

assets/devel/items/active/weapons/ranged/guidedrocketlauncher/reloadlights.frames

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+{
+  "frameGrid" : {
+    "size" : [10, 3],
+    "dimensions" : [1, 5],
+
+    "names" : [
+      [ "reload.1" ],
+      [ "reload.2" ],
+      [ "reload.3" ],
+      [ "reload.4" ],
+      [ "ready" ]
+    ]
+  }
+}