refactor: dont depend on libpng and libdl, update docs

.devcontainer/Dockerfile

@@ -7,31 +7,18 @@ RUN apt-get update \
     && apt-get install -y software-properties-common \
     && add-apt-repository -y ppa:ubuntu-toolchain-r/test \
     && apt-get update \
-    && apt-get install -y \
+    && sudo apt-get install -y \
         build-essential \
-        cmake \
-        libglfw3-dev \
+        python3 \
+        ninja-build \
+        meson \
+        libsdl2-dev \
         libgl-dev \
         libglu1-mesa-dev \
-        libopenal-dev \
-        libvorbis-dev \
-        libpng-dev \
-        libpthread-stubs0-dev \
-        clang \
-        lld \
-        meson \
-        ninja-build \
-        gcc-15 \
-        g++-15 \
+        libpthread-stubs0-dev
     # Clean up lol
     && apt-get autoremove -y \
     && apt-get clean -y \
     && rm -rf /var/lib/apt/lists/*
 
-# Set GCC 15 as default
-RUN update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-15 100 \
-    && update-alternatives --install /usr/bin/g++ g++ /usr/bin/g++-15 100 \
-    && update-alternatives --install /usr/bin/cc cc /usr/bin/gcc 100 \
-    && update-alternatives --install /usr/bin/c++ c++ /usr/bin/g++ 100
-
 ENV DEBIAN_FRONTEND=dialog

README.md

@@ -38,23 +38,19 @@ At the moment, we're aiming to support the following platforms:
 Install the following packages before building (Debian/Ubuntu names shown):
 
 ```bash
-sudo apt install \
-  build-essential cmake \
-  libsdl2-dev libgl-dev libglu1-mesa-dev \
-  libopenal-dev libvorbis-dev \
-  libpng-dev libpthread-stubs0-dev
+sudo apt-get install -y build-essential python3 ninja-build meson libsdl2-dev libgl-dev libglu1-mesa-dev libpthread-stubs0-dev
 ```
 
 #### Arch/Manjaro
 
 ```bash
-sudo pacman -S base-devel gcc pkgconf cmake sdl2-compat mesa openal libvorbis glu
+sudo pacman -S base-devel gcc pkgconf cmake sdl2-compat mesa glu
 ```
 
 #### Fedora/Red Hat/Nobara
 
 ```bash
-sudo dnf in gcc gcc-c++ make cmake SDL2-devel mesa-libGL-devel mesa-libGLU-devel openal-soft-devel libvorbis-devel libpng-devel openssl-devel
+sudo dnf in gcc gcc-c++ make cmake SDL2-devel mesa-libGL-devel mesa-libGLU-devel openssl-devel
 ```
 
 #### Docker

flake.nix

@@ -26,13 +26,10 @@
         libGL
         libGLU
         sdl2
-        libpng
         zlib
-        openal
-        libvorbis
       ];
       packages = with pkgs; [
-        gcc15
+        clang
         lld
         cmake
         gnumake

meson.build

@@ -18,9 +18,7 @@ gl_dep     = dependency('gl')
 glu_dep    = dependency('glu')
 sdl2_dep   = dependency('sdl2') # Yes.. i know sdl3 is out, but there's not point upgrading right now except when
                                 # someone is gonna ask me "Hey juicey can you make it SDL3?" and i'd be like fuck you and still do it.
-png_dep    = dependency('libpng')
 thread_dep = dependency('threads')
-dl_dep     = cc.find_library('dl')
 
 # compile flags (chagne ts juicey)
 global_cpp_args = [