Making the enemies destructible

Recall that in earlier chapters, we created enemy targets that the player could destroy after a couple of hits with a projectile. We want to give the player a similar ability to mitigate the threat provided by our new enemies. To do so, we will add blueprint nodes in BP_EnemyCharacter to handle damage-taking and destruction. The player needs to hit an enemy character three times to destroy them.

Follow these steps to deal with a hit:

1. In the content browser, access the Content > FirstPersonBP > Enemy folder and double-click on the BP_EnemyCharacter blueprint.
2. In the Variables category of the My Blueprint panel, click the + button to add a variable, and name the variable EnemyHealth.
3. In the Details panel, set Variable Type to Integer. Compile the blueprint and set DEFAULT VALUE to 3:

Figure 10.21 – EnemyHealth starts with 3 points

4. Right-click on the empty space of Event Graph and add an...