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Updated changelog with recent changes, and updated base version

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Rogier 2014-06-18 10:41:48 +02:00
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Changelog
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[18 jun 2014]
Features:
- The package generation code for Linux was extensively reworked and
extended.
Besides two types of .tar.gz packages, .deb and .rpm packages
can now be generated as well. In addition, make install now
installs packages in an appropriate directory hierarchy.
The rpm package has an installation glitch: it tries to create
a directory which already exists (system default), causing an
installation conflict. This is harmless, but the rpm package must
therefore be installed with --replacefiles.
Package generation on OSX and Windows platforms remains unchanged.
- 'Air' nodes can now have a color. Their color should be defined as fully
transparent (alpha = 0), so that they don't obscure underlying blocks.
With alpha = 0, air will only be drawn if no other blocks are beneath it.
As it comes at a significant performance penalty, this feature is
subject to a command-line option: --drawair.
Full transparency is supported for other blocks as well, enabled by
setting their alpha value to 0. Nodes with alpha value 0 never
participate in shading.
- A default color can be specified for invisible/undefined nodes in rendered
blocks. Normally, such nodes are not drawn, so they have the background
color; If a different default color is specified, undefined/invisible
nodes in defined blocks get the default color, and can be distinguished
from undefined blocks (which still have the regular background color).
This option is really only useful to get a better idea of what is
actually in the database.
- A color file can now include other color files. It is therefore no longer
necessary to create an entirely new copy to be able to change one
or two colors. Instead, an empty file can be created. In that file,
the master copy is simply referred to ('@include <master>'), and then
just the desired differences are added to it.
It is not only possible to override colors in the new file, but
colors can also be undefined if necessary.
- Freeminer maps are now supported (and tested).
In particular, this means that the new key format used in the leveldb
database (a<x>,<y>,<z>) is now supported.
Please note that freeminer maps will probably contain a lot of holes and
other 'unrendered' areas (e.g. missing plains, making the grey rocks
beneath visible; missing water, showing only the bottom of the lake/sea,
etc.
This is caused by the fact the freeminer does not store unchanged blocks
in the database, but prefers to regenerate them later. As minetestmapper
can only render what's in the database, this causes the holes etc.
Enhancements:
- Minetestmapper now has a version number (which is (partially) computed).
- A system-wide colors.txt file is now supported as well. Its location is
hardcoded at compile-time.
- Redis support is now fully tested.
- A command-line option to report which colors file(s) are read was added.
Bugfixes:
- Fixed the bug which caused compilation to fail if CMAKE_BUILD_TYPE was not
configured.
- Computation of transparency for nodes was improved / fixed
- The return value of a redis database operation was not correctly
checked. This was fixed.
[22 may 2014]
General: integrated all (relevant) patches from the minetest/minetestmapper tree
(only patches that actually conflict with my work were obviously not merged)
(only patches that actually conflict with my work were obviously not merged)
Features:
- redis backend support (merged from minetest/minetestmapper)
- redis backend support (merged from minetest/minetestmapper)
The code was ported and compiles. Unfortunately, I wasn't able
to test against a redis database yet.
- The database backend to use is now obtained from the world.mt file by default
@ -12,22 +76,11 @@
are: point, line, rectangle, ellipse (circle), text.
Translucency (alpha) is supported, although for ellipses, it does not
work as expected (due to a bug in libgd)
- 'air' nodes can now have a color. Their color should be defined as fully
transparent (alpha = 0), so that they don't obscure underlying blocks.
In that case, air will only be drawn if no other blocks are beneath it.
Nodes with alpha value 0 never participate in shading.
As this comes at a significant performance penalty, this feature is
subject to a command-line option: --drawair.
- A default color can be specified for invisible/undefined nodes in rendered
blocks Normally, such nodes are not drawn, so they have the background
color; If a different default color is specified, undefined/invisible
nodes in defined blocks get the default color, and can be distinguished
from undefined blocks (which still have the regular background color).
Enhancements:
- Failure to process a command-line option now causes a specific error message.
- Failure to process a command-line option now causes a specific error message.
The generic help message is often not very helpful in such a case.
- The map origin color and Player colors can now be specified with an alpha value.
- The map origin color and Player colors can now be specified with an alpha value.
Unfortunately, due to a bug in libgd, the effect is not what it should be...
- The colors.txt file is now also searched for in the world's minetest directory
(the directory containing minetest.conf) - if it can be found.
@ -49,18 +102,18 @@
- The configuration of tiles location was improved
Bugfixes:
- When not using a geometry option, *do* generate the smallest possible map
- When not using a geometry option, *do* generate the smallest possible map
- Fix transparency computation - libgd uses 0..127 (not 255)
- Using an invalid option name no longer causes a crash, but is reported.
- Fixed a crash when the top part of the generated map is empty
- The computation of map size with tiles was fixed (height could be miscomputed)
[16 apr 2014]
General: integrated all (relevant) patches from the minetest/minetestmapper tree
(only patches that actually conflict with my work were obviously not merged)
(only patches that actually conflict with my work were obviously not merged)
Features:
- A grid can now be added to the map ( with '--tiles')
- A grid can now be added to the map ( with '--tiles')
Gridlines are drawn 'between' map rows/columns, and therefore do
not obscure map data. (as a consequence, straight lines may not look
straight where they cross gridlines).
@ -80,18 +133,18 @@
warning message.
Enhancements:
- Colors.txt is no longer included in the executable (merged from minetest/minetestmapper)
- Colors.txt is no longer included in the executable (merged from minetest/minetestmapper)
- Option and colors parsing failures are handled more gracefully
Bugfixes:
- The computation of origin location and player locations was fixed (off-by-one)
- The computation of origin location and player locations was fixed (off-by-one)
- Colors.txt is now parsed line-by-line, and errors are reported.
Errors no longer cause the remainder of the file to be silently ignored.
- A failure to create the image for lack of memory is now caught.
When a lack of memory is to be expected during image generation, a warning is printed
before image generation starts.
- The handling of an alpha component in colors was fixed
[26 mar 2014]
Features:

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