72 lines
1.8 KiB
JavaScript
72 lines
1.8 KiB
JavaScript
// Electric Trapdoor
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var animationSpeed = 100,
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spriteWidth = 114,
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thickness = 7,
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isOpen = Self.GetOption("opened") === true,
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animating = false,
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powerState = false;
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function main() {
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Self.SetHitbox(0, 2, spriteWidth, thickness);
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Self.AddAnimation("open", animationSpeed, [0, 1, 2, 3]);
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Self.AddAnimation("close", animationSpeed, [3, 2, 1, 0]);
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// Options: if the player marked it "opened" make it open by default.
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if (isOpen) {
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Self.ShowLayer(3);
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powerState = true;
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}
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// Subscribe to Switches and other power sources. Note: if a
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// switch toggles us, we ignore the immediately following
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// power signal which will be coming from the same switch.
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// The electric trapdoor always toggles when hit by a switch.
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var ignoreNextPower = false;
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Message.Subscribe("switch:toggle", function (powered) {
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ignoreNextPower = true
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setPoweredState(!powerState);
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});
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Message.Subscribe("power", function (powered) {
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if (ignoreNextPower) {
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ignoreNextPower = false;
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return;
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}
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setPoweredState(powered);
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});
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Events.OnCollide(function (e) {
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if (e.InHitbox && !isOpen) {
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return false;
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}
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})
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}
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function setPoweredState(powered) {
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powerState = powered;
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if (powered) {
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if (animating || isOpen) {
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return;
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}
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animating = true;
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Self.PlayAnimation("open", function () {
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isOpen = true;
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animating = false;
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// Had we lost power quickly?
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if (!powerState) {
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setPoweredState(false);
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}
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});
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} else {
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animating = true;
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Self.PlayAnimation("close", function () {
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isOpen = false;
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animating = false;
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});
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}
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}
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