v1.4.4

assets/devel/objects/pump/pump.lua

@@ -0,0 +1,56 @@
+require "/scripts/vec2.lua"
+
+function init()
+  self.inputPosition = config.getParameter("inputPosition")
+  self.outputPosition = config.getParameter("outputPosition")
+
+  if object.direction() < 0 then
+    self.inputPosition, self.outputPosition = self.outputPosition, self.inputPosition
+  end
+
+  local pos = entity.position()
+  self.inputPosition = vec2.add(vec2.add(self.inputPosition, pos), {0.5, 0.5})
+  self.outputPosition = vec2.add(vec2.add(self.outputPosition, pos), {0.5, 0.5})
+
+  self.pumpTimer = 0
+  self.pumpFrequency = config.getParameter("pumpFrequency", 0.25)
+
+  storage.pumping = storage.pumping or false
+end
+
+function update(dt)
+  -- world.debugPoint(self.inputPosition, "blue")
+  -- world.debugPoint(self.outputPosition, "green")
+
+  if object.isInputNodeConnected(0) then
+    object.setInteractive(false)
+    storage.pumping = object.getInputNodeLevel(0)
+  else
+    object.setInteractive(true)
+  end
+
+  local pumpAnimationState = storage.pumping and ((world.liquidAt(self.inputPosition) and not world.pointCollision(self.outputPosition)) and "pump" or "error") or "idle"
+  animator.setAnimationState("pumping", pumpAnimationState)
+
+  self.pumpTimer = math.max(0, self.pumpTimer - dt)
+  if storage.pumping and self.pumpTimer == 0 then
+    pump()
+    self.pumpTimer = self.pumpFrequency
+  end
+end
+
+function onInteraction(args)
+  storage.pumping = not storage.pumping
+end
+
+function uninit()
+
+end
+
+function pump()
+  local liquid = world.liquidAt(self.inputPosition)
+  if liquid and not world.pointCollision(self.outputPosition) then
+    world.destroyLiquid(self.inputPosition)
+    world.spawnLiquid(self.outputPosition, table.unpack(liquid))
+  end
+end