v1.4.4

assets/devel/items/active/weapons/ranged/abilities/vacuum/vacuum.frames

@@ -0,0 +1,10 @@
+{
+  "frameGrid" : {
+    "size" : [96, 48],
+    "dimensions" : [3, 1],
+
+    "names" : [
+      [ "1", "2", "3" ]
+    ]
+  }
+}

assets/devel/items/active/weapons/ranged/abilities/vacuum/vacuum.lua

@@ -0,0 +1,92 @@
+require "/scripts/poly.lua"
+require "/scripts/vec2.lua"
+
+function setupAbility(altAbilityConfig)
+  local vacuum = WeaponAbility:new()
+
+  function vacuum:init()
+    self.cooldownTimer = 0
+    self:reset()
+  end
+
+  function vacuum:update(dt, fireMode, shiftHeld)
+    WeaponAbility.update(self, dt, fireMode, shiftHeld)
+
+    self.cooldownTimer = math.max(0, self.cooldownTimer - self.dt)
+
+    if self.fireMode == "alt"
+      and not self.active
+      and self.cooldownTimer == 0
+      and not status.resourceLocked("energy") then
+
+      self:setState(self.fire)
+    end
+  end
+
+  function vacuum:fire()
+    self.weapon:setStance(self.stances.fire)
+    -- self.weapon.aimAngle = 0
+    -- self.weapon:updateAim()
+    animator.setAnimationState("vacuum", "active")
+    animator.playSound("vacuumStart")
+    animator.playSound("vacuumLoop", -1)
+
+    local vacuumPoint = {
+      type = "RadialForceRegion",
+      center = animator.partPoint("vacuumCone", "vacuumPoint"),
+      targetRadialVelocity = self.pointSpeed,
+      outerRadius = 1.5,
+      innerRadius = 0.5,
+      controlForce = self.pointForce
+    }
+
+    self.active = true
+
+    while self.fireMode == "alt" and status.overConsumeResource("energy", self.energyUsage * self.dt) do
+      mcontroller.controlModifiers({runningSuppressed = true})
+
+      local forceVector = vec2.rotate(self.coneSpeed, self.weapon.aimAngle)
+      forceVector[1] = forceVector[1] * self.weapon.aimDirection
+
+      local vacuumConeTop = {
+        type = "DirectionalForceRegion",
+        polyRegion = animator.partPoly("vacuumCone", "vacuumPolyTop"),
+        xTargetVelocity = forceVector[1],
+        yTargetVelocity = -forceVector[2],
+        controlForce = self.coneForce
+      }
+      local vacuumConeBottom = {
+        type = "DirectionalForceRegion",
+        polyRegion = animator.partPoly("vacuumCone", "vacuumPolyBottom"),
+        xTargetVelocity = forceVector[1],
+        yTargetVelocity = forceVector[2],
+        controlForce = self.coneForce
+      }
+      activeItem.setItemForceRegions({vacuumConeTop, vacuumConeBottom, vacuumPoint})
+
+      coroutine.yield()
+    end
+
+    activeItem.setItemForceRegions({})
+
+    animator.setAnimationState("vacuum", "idle")
+    animator.stopAllSounds("vacuumLoop")
+
+    self.cooldownTimer = self.cooldownTime
+
+    self.active = false
+  end
+
+  function vacuum:reset()
+    animator.setAnimationState("vacuum", "idle")
+    animator.stopAllSounds("vacuumLoop")
+    activeItem.setItemForceRegions({})
+    self.active = false
+  end
+
+  function vacuum:uninit()
+    self:reset()
+  end
+
+  return vacuum
+end

assets/devel/items/active/weapons/ranged/abilities/vacuum/vacuum.weaponability

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+{
+  "animationCustom" : {
+    "animatedParts" : {
+      "stateTypes" : {
+        "vacuum" : {
+          "default" : "idle",
+          "states" : {
+            "idle" : { },
+            "active" : {
+              "frames" : 3,
+              "cycle" : 0.3,
+              "mode" : "loop"
+            }
+          }
+        }
+      },
+      "parts" : {
+        "vacuumCone" : {
+          "properties" : {
+            "zLevel" : -1,
+            "centered" : true,
+            "offset" : [6.0, 0.0],
+            "transformationGroups" : [ "muzzle" ],
+            "vacuumPolyTop" : [ [-4.5, 0], [-4.5, 1.5], [6.0, 4.0], [6.0, 0] ],
+            "vacuumPolyBottom" : [ [-4.5, -1.5], [-4.5, 0], [6.0, 0], [6.0, -4.0] ],
+            "vacuumPoint" : [-5.0, 0.25]
+          },
+          "partStates" : {
+            "vacuum" : {
+              "idle" : {
+                "properties" : {
+                  "image" : ""
+                }
+              },
+              "active" : {
+                "properties" : {
+                  "image" : "/items/active/weapons/ranged/abilities/vacuum/vacuum.png:<frame>"
+                }
+              }
+            }
+          }
+        }
+      }
+    },
+    "sounds" : {
+      "vacuumStart" : [ ],
+      "vacuumLoop" : [ ]
+    }
+  },
+
+  "ability" : {
+    "type" : "vacuum",
+    "scripts" : ["/items/active/weapons/ranged/abilities/vacuum/vacuum.lua"],
+
+    "cooldownTime" : 0.5,
+
+    "coneSpeed" : [-20, 5],
+    "coneForce" : 400,
+    "pointSpeed" : -10,
+    "pointForce" : 500,
+
+    "energyUsage" : 20,
+
+    "stances" : {
+      "fire" : {
+        "armRotation" : 0,
+        "weaponRotation" : 0,
+        "twoHanded" : true,
+
+        "allowRotate" : true,
+        "allowFlip" : true
+      }
+    }
+  }
+}