doodle/Building.md

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# Building Doodle
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## Fonts
The `fonts/` folder is git-ignored. The app currently uses font files here
named:
* `DejaVuSans.ttf` for sans-serif font.
* `DejaVuSans-Bold.ttf` for bold sans-serif font.
* `DejaVuSansMono.ttf` for monospace font.
These are the open source **DejaVu Sans [Mono]** fonts, so copy them in from
your `/usr/share/fonts/dejavu` folder or provide alternative fonts.
```bash
mkdir fonts
cp /usr/share/fonts/dejavu/{DejaVuSans.ttf,DejaVuSans-Bold.ttf,DejaVuSansMono.ttf} fonts/
```
## Makefile
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Makefile commands for Linux:
* `make setup`: install Go dependencies and set up the build environment
* `make build`: build the Doodle and Doodad binaries to the `bin/` folder.
* `make build-free`: build the shareware binaries to the `bin/` folder. See
Build Tags below.
* `make build-debug`: build a debug binary (not release-mode) to the `bin/`
folder. See Build Tags below.
* `make wasm`: build the WebAssembly output
* `make wasm-serve`: build the WASM output and then run the server.
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* `make run`: run a local dev build of Doodle in debug mode
* `make guitest`: run a local dev build in the GUITest scene
* `make test`: run the test suite
* `make dist`: produce a zipped release tarball and zip file for your current
environment and output into the `dist/` folder.
* `make docker`: run all the Dockerfiles from the `docker/` folder to produce
dist builds for Debian, Fedora and Ubuntu. You may also run these builds
individually:
* `make docker.ubuntu`
* `make docker.debian`
* `make docker.fedora`
* `make clean`: clean all build artifacts
## Build Tags
### shareware
> Files ending with `_free.go` are for the shareware release as opposed to
> `_paid.go` for the full version.
Builds the game in the free shareware release mode.
Run `make build-free` to build the shareware binary.
Shareware releases of the game have the following changes compared to the default
(release) mode:
* No access to the Doodad Editor scene in-game (soft toggle)
### developer
> Files ending with `_developer.go` are for the developer build as opposed to
> `_release.go` for the public version.
Developer builds support extra features over the standard release version:
* Ability to write the JSON file format for Levels and Doodads.
Run `make build-debug` to build a developer version of the program.
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## Linux
Dependencies are Go, SDL2 and SDL2_ttf:
```bash
# Fedora
sudo dnf -y install golang SDL2-devel SDL2_ttf-devel
# Ubuntu and Debian
sudo apt -y install golang libsdl2-dev libsdl2-ttf-dev
```
## Windows Cross-Compile from Linux
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Install the Mingw C compiler:
```bash
# Fedora
sudo dnf -y install mingw64-gcc # for 64-bit
sudo dnf -y install mingw32-gcc # for 32-bit
# Arch Linux
pacman -S mingw-w64
```
Download the SDL2 Mingw development libraries [here](https://libsdl.org/download-2.0.php)
and SDL2_TTF from [here](https://www.libsdl.org/projects/).
Extract each and copy their library folder into the mingw path.
```bash
# e.g. /usr/x86_64-w64-mingw32 is usually the correct path, verify on e.g.
# Fedora with `rpm -ql mingw64-filesystem`
tar -xzvf SDL2_ttf-devel-2.0.15-mingw.tar.gz
cd SDL_ttf-2.0.15
sudo cp -r x86_64-w64-mingw32 /usr
```
Make and set permissions for Go to download the standard library for Windows:
```bash
mkdir /usr/lib/golang/pkg/windows_amd64
chown your_username /usr/lib/golang/pkg/windows_amd64
```
And run `make mingw` to build the Windows binary.
### Windows DLLs
For the .exe to run it will need SDL2.dll and such.
```
# SDL2.dll and SDL2_ttf.dll
cp /usr/x86_64-w64-mingw32/bin/SDL*.dll bin/
```
SDL2_ttf requires libfreetype, you can get its DLL here:
https://github.com/ubawurinna/freetype-windows-binaries