Creating multiple buttons for one door

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Introduction

This tutorial will detail the basics of getting a door to open only when two (or more) buttons are activated.

Door, Buttons, and Triggers

Create your doorway and two buttons by following the tutorial for creating a button and linked door through step 5 of the section titled "Triggers".

Note:Your buttons and triggers should be distinct from one another. Check all of the following on each button to make sure you have changed the button_* prefix to button#_*, with # representing which button it is:
  • The name of the movement door under the button (originally button_top_door)
  • The parent of your button_top_model (same as above)
  • The name of the two triggers button_trigger_player and button_trigger_box

Next, complete steps 7 and 8 under Triggers on the other tutorial for each button, making sure that you are using the appropriate button#_* prefix.

Setting the Buttons to Open the Door

Create a math_counter entity, and put it near your door. Set the following properties:

Property Name Value
Name buttoncounter
Minimum Legal Value -1
Maximum Legal Value 2

Now go to the Outputs tab and set the following outputs:

My Output Target Entity Target Input Parameter Delay Only Once
Io11.png OnHitMax door_left Open <none> 0.00 No
Io11.png OnHitMax door_right Open <none> 0.00 No
Io11.png OnHitMax buttoncounter SetHitMin 1 0.00 No
Io11.png OnHitMin door_left Close <none> 0.00 No
Io11.png OnHitMin door_right Close <none> 0.00 No
Io11.png OnHitMin buttoncounter SetHitMin -1 0.00 No