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Signed-off-by: Miquel Sabaté Solà <mssola@mssola.com>
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This way enemies are a bit more off from the boundaries, avoiding
visually distracting scenarios.
Signed-off-by: Miquel Sabaté Solà <mssola@mssola.com>
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And also run rubocop on the CI for good measure.
Signed-off-by: Miquel Sabaté Solà <mssola@mssola.com>
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This function relies on a pre-computed table to get the "random" numbers
from, but most of the times this is used, it needs to be between some
safe boundaries.
Before this commit, this was done inside of the function, correcting the
fetched value to be above or below these limits. But there was a bug on
the below the grounds limit, in which the 'sbc' instruction could
subtract too much from the fetched value and make enemies appear below
the sky.
Now, this is easy to correct, but since we are cheating with a
pre-computed table, I thought it would be vastly easier to just get a
random table with the "proper" values. That is, random but within the
required boundaries already. Plus, it makes the
'random_valid_y_coordinate' function much faster.
This commit adds a ruby script in bin/ which produces a pseudo-random
table when called, making sure all the requirements are met. We have to
make sure to call this script if we ever change the boundaries at some
point.
Signed-off-by: Miquel Sabaté Solà <mssola@mssola.com>
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In 2f140cfb7ea7 ("player: First PAL implementation") the rate of
acceleration was adapted for PAL. Now the values for velocities have
been adapted as well, in a way that we get (virtually) the same
experience in PAL and in NTSC.
This has been done by moving the velocity constants into configurable
values, which are then picked up by a new bin/values.rb script. This
script allows us to write the constants in plain floating point numbers,
does the conversion to fixed point numbers as expected, and it also does
the same for PAL by applying the proper NTSC to PAL conversion.
As a cherry on top, some values have also been tuned to match the
original game more closely, even if some more fine tuning might still be
needed here and there.
Signed-off-by: Miquel Sabaté Solà <mikisabate@gmail.com>
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