Time for action – avoiding hardcoded values
To separate and load our gameplay-relevant data, we need to follow these steps:
Add a new file called
gameplay.jsonin theResourcesfolder with the following content:{ "hitpoints": 100, "damage": 25, "battlefield": { "enemy": { "x": 100, "y": 100 }, "pirate": { "x": 300, "y": 100 } } }Open the
Ship.hfile.Add a property called
maxHitpoints, as shown in the following line of code:@property int maxHitpoints;
Inside the
Shipinitializer, replace the piece of code where we sethitpointswith the following lines of code:self.maxHitpoints = [(NSNumber *) [Assets dictionaryFromJSON:@"gameplay.json"][@"hitpoints"] intValue]; self.hitpoints = self.maxHitpoints;
Inside the
hitmethod, replace the hardcoded damage value to load from thegameplay.jsonfile, as shown in the following code:self.hitpoints = self.hitpoints - [(NSNumber *) [Assets dictionaryFromJSON:...