v1.4.4

assets/devel/tech/automobile/car.lua

@@ -0,0 +1,117 @@
+function init()
+  self.specialLast = false
+  self.active = false
+  tech.setVisible(false)
+
+  self.honkTimer = 0
+  self.energyCostPerSecond = config.getParameter("energyCostPerSecond")
+  self.carCustomMovementParameters = config.getParameter("carCustomMovementParameters")
+  self.parentOffset = config.getParameter("parentOffset")
+
+  self.collisionPoly = mcontroller.baseParameters().standingPoly
+end
+
+function uninit()
+  if self.active then
+    local transformPosition = transformPoly(self.collisionPoly)
+    if transformPosition then
+      mcontroller.setPosition(transformPosition)
+    end
+    deactivate()
+  end
+end
+
+function update(args)
+  local specialActivated = not self.specialLast and args.moves["special1"]
+  self.specialLast = args.moves["special1"]
+
+  if not self.active and not tech.parentLounging() and specialActivated then
+    local transformPosition = transformPoly(self.carCustomMovementParameters.standingPoly)
+    if transformPosition and status.overConsumeResource("energy", self.energyCostPerSecond * args.dt) then
+      mcontroller.setPosition(transformPosition)
+      activate()
+    else
+      -- Make some kind of error noise
+    end
+  elseif self.active and (specialActivated or not status.overConsumeResource("energy", self.energyCostPerSecond * args.dt)) then
+    local transformPosition = transformPoly(self.collisionPoly)
+    if transformPosition then
+      mcontroller.setPosition(transformPosition)
+    end
+    deactivate()
+  end
+
+  if self.active then
+    local diff = world.distance(tech.aimPosition(), mcontroller.position())
+    local aimAngle = math.atan(diff[2], diff[1])
+    local flip = aimAngle > math.pi / 2 or aimAngle < -math.pi / 2
+
+    mcontroller.controlParameters(self.carCustomMovementParameters)
+
+    if flip then
+      animator.setFlipped(true)
+      tech.setParentOffset({-self.parentOffset[1], self.parentOffset[2]})
+      mcontroller.controlFace(-1)
+    else
+      animator.setFlipped(false)
+      tech.setParentOffset(self.parentOffset)
+      mcontroller.controlFace(1)
+    end
+
+    if not mcontroller.onGround() then
+      if mcontroller.velocity()[2] > 0 then
+        animator.setAnimationState("movement", "jump")
+      else
+        animator.setAnimationState("movement", "fall")
+      end
+    elseif mcontroller.walking() or mcontroller.running() then
+      if flip and mcontroller.facingDirection() == 1 or not flip and mcontroller.facingDirection() == -1 then
+        animator.setAnimationState("movement", "driveReverse")
+      else
+        animator.setAnimationState("movement", "driveForward")
+      end
+    else
+      animator.setAnimationState("movement", "idle")
+    end
+
+    if args.moves["primaryFire"] and self.honkTimer <= 0 then
+      animator.playSound("carHorn")
+      self.honkTimer = config.getParameter("honkTime")
+    end
+
+    if self.honkTimer > 0 then self.honkTimer = self.honkTimer - args.dt end
+  end
+end
+
+function activate()
+  animator.burstParticleEmitter("carActivateParticles")
+  tech.setVisible(true)
+  tech.setParentState("sit")
+  tech.setToolUsageSuppressed(true)
+  self.active = true
+end
+
+function deactivate()
+  animator.burstParticleEmitter("carDeactivateParticles")
+  tech.setVisible(false)
+  tech.setParentState()
+  tech.setToolUsageSuppressed(false)
+  tech.setParentOffset({0, 0})
+  self.active = false
+end
+
+function transformPoly(toPoly)
+  local position = mcontroller.position()
+  local yAdjust = collisionBottom(mcontroller.collisionPoly()) - collisionBottom(toPoly)
+  return world.resolvePolyCollision(toPoly, {position[1], position[2] + yAdjust}, 1)
+end
+
+function collisionBottom(collisionPoly)
+  local lowest = 0
+  for _,point in pairs(collisionPoly) do
+    if point[2] < lowest then
+      lowest = point[2]
+    end
+  end
+  return lowest
+end