acclint is a lint program that checks AC3D model files for problems. It supports the standard AC3D file format (files ending in .ac) and the extended AC3D file format used by TORCS and Speed Dreams (files ending in .acc). acclint is also able to correct many common problems.
Use the git clone command to download this project:
git clone https://github.com/IOBYTE/acclint
cd acclint
Create a build directory inside the example project directory and configure the build using CMake to generate the Makefiles for GNU Make:
mkdir build && cd build
cmake CMAKE_BUILD_TYPE=Release ..
Then build the executable named acclint using GNU Make:
make
The resulting binary is acclint inside the build directory.
You can install acclint using GNU Make:
sudo make install
Here is an example of running acclint on the supplied file example.ac.
AC3DbS
MATERIAL "1" png 1 1 1 amb 1 1 1 emis 0 0 0 spec 0.5 0.5 5 shi 64.1 trans 1.1
OBJECT world
kids 2
OBJECT poly
name "square"
numvert 7
0 0 0
0 1 0
1 0 0
1 0 0
0 1 0
1 1 0
1 1 1
numsurf 2
SURF 0x10
mat 0
refs 3
0 0 0
1 0 0
2 0 0
SURF 0x10
mat 0
refs 3
3 0 0
4 0 0
5 0 0
kids 0
acclint example.ac
example.ac:1 warning: trailing text: "S"
AC3DbS
^
example.ac:2 warning: invalid material rgb: png
MATERIAL "1" png 1 1 1 amb 1 1 1 emis 0 0 0 spec 0.5 0.5 5 shi 64.1 trans 1.1
^
example.ac:2 warning: invalid material spec: 5 range: 0 to 1
MATERIAL "1" png 1 1 1 amb 1 1 1 emis 0 0 0 spec 0.5 0.5 5 shi 64.1 trans 1.1
^
example.ac:2 warning: floating point shi: 64.1
MATERIAL "1" png 1 1 1 amb 1 1 1 emis 0 0 0 spec 0.5 0.5 5 shi 64.1 trans 1.1
^
example.ac:2 warning: invalid material trans: 1.1 range: 0 to 1
MATERIAL "1" png 1 1 1 amb 1 1 1 emis 0 0 0 spec 0.5 0.5 5 shi 64.1 trans 1.1
^
example.ac:2 warning: trailing text: " "
MATERIAL "1" png 1 1 1 amb 1 1 1 emis 0 0 0 spec 0.5 0.5 5 shi 64.1 trans 1.1
^
example.ac:8 warning: trailing text: " "
0 0 0
^
example.ac:12 warning: duplicate verticies
0 1 0
^
example.ac:9 note: first instance
0 1 0
^
example.ac:11 warning: duplicate verticies
1 0 0
^
example.ac:10 note: first instance
1 0 0
^
example.ac:19 warning: trailing text: " "
0 0 0
^
example.ac:14 warning: unused vertex
1 1 1
^
example.ac:29 warning: blank line
example.ac:4 warning: missing kids: only 1 out of 2 kids found
13 warnings
acclint can also fix and optimize many common non-fatal problems.
acclint example.ac -o example-cleaned.ac
produces this:
AC3Db
MATERIAL "1" rgb 1 1 1 amb 1 1 1 emis 0 0 0 spec 0.5 0.5 1 shi 64 trans 1
OBJECT world
kids 1
OBJECT poly
name "square"
numvert 4
0 0 0
0 1 0
1 0 0
1 1 0
numsurf 2
SURF 0x10
mat 0
refs 3
0 0 0
1 0 0
2 0 0
SURF 0x10
mat 0
refs 3
2 0 0
1 0 0
3 0 0
kids 0
acclint can also convert from one file format version to another.
acclint filev12.ac -o filev11.ac -v 11
acclint filev11.ac -o filev12.ac -v 12
acclint can also convert .acc files to the .ac file format.
acclint file.acc -o file.ac
acclint can also convert .ac files to the .acc file format.
acclint file.ac -o file.acc
The converted file will have normals but will not have triangle strips.
acclint can also dump the object hiearchy of a file.
acclint --dump surf -Wno-warnings example.ac
1 world 1 kid
1 poly "square" 2 surfaces
1 surface 3 refs
2 surface 3 refs
Running the regression tests on linux requires Bats (Bash Automated Testing System).
Change the current directory from the installed directory to the test directory and run the file testrunner.sh.
acclint must be installed before you can run the tests.
cd test
bash testrunner.sh
This software is in early development and is far from feature complete. There is a todo list in TODO.txt.
Please let me know if you have problems with the software or want to see improvements using Issues.
© 2020-2024 Robert Reif
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