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Merge pull request #11 from Tarun-Ramaswamy/fix-readme-invalid-links

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Fixed invalid links in README.
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Noel Berry 2021-06-03 12:45:49 -07:00 committed by GitHub
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## blah ## blah
A small 2D C++ Game Framework, using few dependencies and simple code to mainain easy building and portability. A small 2D C++ Game Framework, using few dependencies and simple code to mainain easy building and portability.
**☆ This will likely see breaking changes! Use at your own risk! ☆** **☆ This will likely see breaking changes! Use at your own risk! ☆**
#### building #### building
- Requires C++17 and CMake 3.12+ - Requires C++17 and CMake 3.12+
- A single *Platform* backend must be enabled: - A single *Platform* backend must be enabled:
- [SDL2](https://github.com/NoelFB/blah/blob/master/src/internal/platform_backend_sdl2.cpp) can be enabled in CMake with `PLATFORM_SDL2`, and setting `SDL2_INCLUDE_DIRS` and `SDL2_LIBRARIES` - [SDL2](https://github.com/NoelFB/blah/blob/master/src/internal/platform_sdl2.cpp) can be enabled in CMake with `PLATFORM_SDL2`, and setting `SDL2_INCLUDE_DIRS` and `SDL2_LIBRARIES`
- [WIN32](https://github.com/NoelFB/blah/blob/master/src/internal/platform_backend_win32.cpp) (UNFINISHED) can be enabled in CMake with `PLATFORM_WIN32`. - [WIN32](https://github.com/NoelFB/blah/blob/master/src/internal/platform_win32.cpp) (UNFINISHED) can be enabled in CMake with `PLATFORM_WIN32`.
- Additional backends can be added by implementing the [Platform Backend](https://github.com/NoelFB/blah/blob/master/src/internal/platform_backend.h) - Additional backends can be added by implementing the [Platform Backend](https://github.com/NoelFB/blah/blob/master/src/internal/platform.h)
- A single *Graphics* backend must be enabled: - A single *Graphics* backend must be enabled:
- [OpenGL](https://github.com/NoelFB/blah/blob/master/src/internal/graphics_backend_gl.cpp) can be enabled in CMake with `GRAPHICS_OPENGL`. - [OpenGL](https://github.com/NoelFB/blah/blob/master/src/internal/graphics_gl.cpp) can be enabled in CMake with `GRAPHICS_OPENGL`.
- [D3D11](https://github.com/NoelFB/blah/blob/master/src/internal/graphics_backend_d3d11.cpp) can be enabled in CMake with `GRAPHICS_D3D11`. - [D3D11](https://github.com/NoelFB/blah/blob/master/src/internal/graphics_d3d11.cpp) can be enabled in CMake with `GRAPHICS_D3D11`.
- Additional backends can be added by implementing the [Graphics Backend](https://github.com/NoelFB/blah/blob/master/src/internal/graphics_backend.h). - Additional backends can be added by implementing the [Graphics Backend](https://github.com/NoelFB/blah/blob/master/src/internal/graphics.h).
#### notes #### notes
- There's no Shader abstraction, so the [Sprite Batcher](https://github.com/NoelFB/blah/blob/master/src/graphics/batch.cpp) has hard-coded GLSL/HLSL. This will need to change. - There's no Shader abstraction, so the [Sprite Batcher](https://github.com/NoelFB/blah/blob/master/src/graphics/batch.cpp) has hard-coded GLSL/HLSL. This will need to change.
- Only floatN/mat3x2/mat4x4 uniforms are supported. - Only floatN/mat3x2/mat4x4 uniforms are supported.
- There's no Audio API or backend implementation yet. - There's no Audio API or backend implementation yet.
- No threaded rendering so it will explode if you try that. - No threaded rendering so it will explode if you try that.
#### a sample application #### a sample application
```cpp ```cpp
#include <blah.h> #include <blah.h>
using namespace Blah; using namespace Blah;
Batch batch; Batch batch;
TextureRef tex; TextureRef tex;
void startup() void startup()
{ {
tex = Texture::create("player.png"); tex = Texture::create("player.png");
} }
void render() void render()
{ {
App::backbuffer->clear(Color::black); App::backbuffer->clear(Color::black);
auto center = Vec2(App::backbuffer->width(), App::backbuffer->height()) / 2; auto center = Vec2(App::backbuffer->width(), App::backbuffer->height()) / 2;
auto rotation = Time::seconds * Calc::TAU; auto rotation = Time::seconds * Calc::TAU;
auto transform = Mat3x2::create_transform(center, Vec2::zero, Vec2::one, rotation); auto transform = Mat3x2::create_transform(center, Vec2::zero, Vec2::one, rotation);
batch.push_matrix(transform); batch.push_matrix(transform);
batch.rect(Rect(-32, -32, 64, 64), Color::red); batch.rect(Rect(-32, -32, 64, 64), Color::red);
batch.tex(tex, Vec2(64, 0), Color::white); batch.tex(tex, Vec2(64, 0), Color::white);
batch.pop_matrix(); batch.pop_matrix();
batch.render(); batch.render();
batch.clear(); batch.clear();
} }
int main() int main()
{ {
Config config; Config config;
config.name = "blah app"; config.name = "blah app";
config.width = 1280; config.width = 1280;
config.height = 720; config.height = 720;
config.on_startup = startup; config.on_startup = startup;
config.on_render = render; config.on_render = render;
App::run(&config); App::run(&config);
return 0; return 0;
} }
``` ```