v1.4.4

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