sgtcodfish / apg

A simple framework for writing a 2D game using Modern C++

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apg's Issues

Render text into a large reserved power-of-two texture

This is more efficient, will use less textures and will work with WASM!

Consider extending tmxparser classes to save duplication of efforts

E.g. for objects, don't load twice

Fix inhibition of NRVO

Eg in AnimatedSprite.cpp split textures function, don't use move on retval

Add GLM dependency to CMakeLists

Use CRTP for Game class

This will be a breaking API change (similar to the Tmxrenderer change) but will ensure that we don't pay a virtual-function price for every frame.

Implement longer form SpriteBatch::draw

Add Camera Class

Force SDL/GL/Logger init outside of SDLGame

Currently SDLGame handles the "magic" of initialising SDL (and the various SDL submodules), creating a window, creating a GL context and initialising the APG logger. This has two effects:

• Nothing with APG can realistically be done before these things are initialised.
• This forces a recursive "unique_ptr" bloat across the whole codebase, which makes initialisation much more complicated, adds overhead and exposes us to various nullptr bugs which wouldn't happen if the classes we were creating were just members.

By moving SDLGame's constructor logic out into a separate class which owns the SDL/GL context, we add an extra initialisation step before getting a working screen, but the gains outweigh the losses.

It might be possible to avoid a breaking API change by creating an entirely new game class, perhaps using CRTP... but it might be cleaner, given that APG is not widely used, to just break SDLGame.

Fix ByteBuffer::put(ByteBuffer*) to work properly with const buffers

Add fully fledged Camera support to SpriteBatch

Support rotated rendering

Currently, there's no support for using a SpriteBatch to render a rotated sprite.

Consider using GL Direct State Access

Especially in Texture::tempBind, could provide a good speed increase.

glTextureParameteri(id, texType, paramName, paramVal)

http://www.opengl.org/registry/specs/EXT/direct_state_access.txt
http://docs.gl/gl3/glTexParameter

Fully separate SDL/GL from the library

Some classes (e.g. texture, abstract TmxRenderer, etc.) have dependencies on SDL/GL/both when they shouldn't.

Remove + improve.

Add completed whitespace support to SDLFontManager

Add per-frame animation frame duration support

See AnimatedSprite.hpp

Create a thread-safe resource manager

Currently there are too many concepts of ownership, split across different classes and resources. This could be centralised, for the resources where that makes sense - texture IDs, sound resource IDs, etc.

Test Builds on Different Browsers / OSes

Both WASM builds and native builds

Windows

• Native
• Edge
• Chrome
• Firefox

MacOS

• Native
• Safari
• Chrome
• Firefox

Linux (Debian)

• Native
• Chromium
• Firefox

Linux (Ubuntu)

• Native
• Chromium
• Firefox

Get SDL2_mixer working with WASM

V1 is bundled with emscripten but V2 doesn't seem to be; using V1 doesn't work.