mmozeiko

// example how to set up D3D11 rendering on Windows in C

#define COBJMACROS
#define WIN32_LEAN_AND_MEAN
#include <windows.h>
#include <d3d11.h>
#include <dxgi1_3.h>
#include <d3dcompiler.h>
#include <dxgidebug.h>

mmozeiko

// example how to set up OpenGL core context on Windows
// and use basic functionality of OpenGL 4.5 version

// important extension functionality used here:
// (4.3) KHR_debug:                     https://www.khronos.org/registry/OpenGL/extensions/KHR/KHR_debug.txt
// (4.5) ARB_direct_state_access:       https://www.khronos.org/registry/OpenGL/extensions/ARB/ARB_direct_state_access.txt
// (4.1) ARB_separate_shader_objects:   https://www.khronos.org/registry/OpenGL/extensions/ARB/ARB_separate_shader_objects.txt
// (4.2) ARB_shading_language_420pack:  https://www.khronos.org/registry/OpenGL/extensions/ARB/ARB_shading_language_420pack.txt
// (4.3) ARB_explicit_uniform_location: https://www.khronos.org/registry/OpenGL/extensions/ARB/ARB_explicit_uniform_location.txt

raysan5

CUSTOM GAME ENGINES: A Small Study

WARNING: Article moved to separate repo to allow users contributions: https://github.com/raysan5/custom_game_engines

A couple of weeks ago I played (and finished) A Plague Tale, a game by Asobo Studio. I was really captivated by the game, not only by the beautiful graphics but also by the story and the locations in the game. I decided to investigate a bit about the game tech and I was surprised to see it was developed with a custom engine by a relatively small studio. I know there are some companies using custom engines but it's very difficult to find a detailed market study with that kind of information curated and updated. So this article.

Nowadays lots of companies choose engines like [Unreal](https:

rxi

#include "freeverb.h"


#define undenormalize(n) { if (xabs(n) < 1e-37) { (n) = 0; } }


static inline float xabs(float n) {
  return n < 0 ? -n : n;
}

mmozeiko

#include <stdio.h>

#define STR2(x) #x
#define STR(x) STR2(x)

#ifdef _WIN32
#define INCBIN_SECTION ".rdata, \"dr\""
#else
#define INCBIN_SECTION ".rodata"
#endif

mmozeiko

# Warning: this implementation doesn't check if writes or reads will happen
# out of input/output buffer range, so that will generate IndexError exception

def LZ4_decompress(source, osize):
  isize = len(source)

  src = bytearray(source)
  dst = bytearray(osize)

  si = 0