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Mob programs allow the use of 'if-else' statements to allow performing different actions based on whatever criteria you want. The possible keywords are: if [not] and [not] or [not] <block of code goes here> endif Mob programs also allow for a basic kind of loop, which iterates through each player in the room. The keyword to start this loop is the word 'for', and the word to terminate the loop is 'loop'. Example: for nod $n say How do you do, $N? loop The above example would nod to each player in the room, and then ask them how they are doing. If statement examples: To greet an Aiel differently than a Seafolk, you could do: if clan $n AL say Greetings, my Aiel friend! giggle endif if clan $n SF say Greetings, Seafolk! salute endif The above example shows a very simple set of independent logical events. If you don't want the mob to greet someone twice if they happened to be in both the Aiel and Seafolk guilds, you could do a dependent type if-else: if clan $n AL say Greetings, my Aiel friend! giggle elseif clan $n SF say Greetings, Seafolk! salute endif Notice the 'elseif' statement? This is different from doing an 'else' and 'if' in separate lines. If you had else and if on separate lines like so: if clan $n AL say Greetings, my Aiel friend! giggle else if clan $n SF say Greetings, Seafolk! salute endif endif This requires multiple 'levels' of if statements. In both cases the first if must be false before the second if can execute (and so on if there are more nested statements.) If someone is both Aiel and Seafolk, they will only be greeted as an Aiel. However, using 'elseif' as one statement rather than breaking it into separate statements prevents you from having to nest multiple levels of if statements, you could do as many checks as you wanted without having to keep nesting them further. Now lets say you wanted to have a special case for someone who is both aiel and seafolk: if clan $n AL and clan $n SF say Well aren't you unique? We don't see many Aiel/Seafolk around here. chuckle else if clan $n AL say Greetings, my Aiel friend! giggle endif # Notice the use of endif here instead of else. See below if clan $n SF say Greetings, Seafolk! salute endif endif You may notice that the nested if statement in the previous example contained two independent if statements. We could have used an 'else' statement and made it dependent, however in this particular case it was unnecessary because we know that the character can not be both Aiel and Seafolk, because if they were, they would have matched the first if-statement (The one which contains the 'and' condition). You can also use the 'not' keyword to negate the matching. For example: if not clan $n AL and not clan $n SF say You are not a member of either the SF or AL guild. shake endif The above example would only execute if they were -not- in the aiel guild, -and- they were not in the seafolk guild. New feature added July 10th: You may now specify another function as the right hand operand to an if-check. For instance, to see if a drink container is full, you could do: if objval1 $o >= objval0 $o On a drink container, objval0 stores the 'max' units of liquid a container may hold. objval1 stores how many units currently occupy that container. The above if-check checks to see if the number of units in the container is equal (or greater) than the max allowed. (Note: Technically we should be able to use == instead of >=, but it's safer to use >= in case an unforeseen bug allows a container to be filled beyond it's limit. For example, a container filled to 6 units with a -max- of 5 would show up as 'not full' if you used ==, where as >= would catch this anomaly) You don't have to specify the same function on each side either, you could also do: if ercount $n > trcount $n This would tell you if the number of emotes in the room for player $n is greater than the number of ticks spent in the room for the same player $n. Another example: if ercount $n > ercount $q This would compare the number of emotes in the current room between player $n and player $q. See also: MPEDIT, MOB FUNCTIONS, MOB COMMANDS, MOB TRIGGERS, MOB ACT CODES, MPROGADD, MOB PROGRAMS |
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