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The NGLE Manual
TRNG Scales
Puzzle
By Bedazzled
Download Scales Puzzle project files This tutorial and its
example project show fully working scales puzzles. The
differences from previous setups are:
* There is no longer a need to pour the
wrong amount of water the first time.
* When used without the Ahmet, the scales can be reset
repeatedly unlike previous setups where they could only be
reset once.
* Several scales puzzles can be used in the same level.
The scales works in combination with the WATERSKIN1,
WATERSKIN2 and an optional AHMET. To solve the puzzle the
right amount of water must be poured from a waterskin to
balance the scales. If the wrong amount of water is poured,
the Ahmet is released. Once the Amhet is killed, the scales
reset and the player can try again. The amount of water
needed is hinted to the player, who then has to use one or
both of the waterskins to get the right amount of water,
which can be between 1 and 5 liters. For 1, 2 and 4 liters
of water, the player has to use both waterskins and
fill/empty/combine them to get the right amount of water in
it.
Setup
Enter the correct amount of water required (1-5) in the
scales OCB. Below the foot of the scales, place HEAVYSWITCH
triggers for all objects which can be activated with the
scales (both for when the right and wrong amount of water is
poured). Which object is activated is determined by the
codebits. The scales output the codebits 2345 when balanced,
and codebits 1345 are output when they are unbalanced by
pouring the wrong amount of water. Objects will not activate
until all 5 codebits are activated, so you must manually set
the fifth codebit in the OCB menu of the object.
- For objects which are triggered when the
correct amount of water is
poured, enable codebit 1 in
the OCB menu.
- For objects which are triggered when the
wrong amount of water is
poured, enable codebit 2 in
the OCB menu.
You can trigger as many objects as you want under the
scales. However, you cannot trigger Flipmaps directly,
because flipmaps don't have an OCB menu where you can set
the codebit. Instead you need to use a FLAME_EMITTER2 to
have the scales trigger a flipmap. To do this the negative
number of the flipmap should be entered into the flame
emitter ocb.
Resetting
The scales are hardcoded to reset only if the AHMET is
killed. When killed the Ahmet explodes and regenerates, the
scales also reset at this point. The Ahmet needs to be
locked into a separate room and only released if the wrong
amount of water is poured into the scales. The door which
should have codebit 2 pressed is triggered by a HEAVYSWITCH
trigger under the foot of the scales. A HEAVYANTRITRIGGER
should be placed right outside the room where the Ahmet is
locked, to avoid the player going inside the room of the
Ahmet and then killing it, because that would cause Lara to
be permanently trapped inside the Ahmet room. A grey box
tile should be placed behind the door in the Ahmet room to
prevent it appearing part way through the closed door. This
tile will not block the Ahmet once the door is opened
allowing the Ahmet to reach Lara.
Used without the player seeing the Ahmet
The puzzle can also be used without the Ahmet (which
must be placed in the map) being visible to the player,
in this case it's placed into a hidden room unconnected with
the rest of the level. An Action trigger is used to kill the
Ahmet enabling the scales to reset if the wrong amount of
water is poured into them. If the correct amount of water is
poured the Ahmet will still be killed, but will not
regenerate or disappear like a normal enemy, it will instead
remain on fire which can contribute to the flare bug
appearing. To solve this problem another action trigger is
used to remove the Ahmet from the map.
In the sample project the first scale requires 3 liters of
water and the second scale requires 5 liters. In the second
scales room the Ahmet has been left visible on purpose,
normally it would be in a room separate from the rest of the
level.Important Note
Be sure to use the scales object from the wad included in
the project file linked at the top of the tutorial. The
scales will not animate if they are ripped from the TR4 CD
using Wadmerger.
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