public void Initialize()
{
string vertShader =
@"attribute vec3 vertPosition;
attribute vec4 vertColor;
attribute vec2 vertTexCoord;
varying vec4 fragColor;
varying vec2 fragTexCoord;
uniform mat4 vertTransform;
void main()
{
gl_Position = vertTransform * vec4(vertPosition, 1.0);
fragColor = vertColor;
fragTexCoord = vertTexCoord;
}";
string fragShader =
@"precision mediump float;
varying vec4 fragColor;
varying vec2 fragTexCoord;
uniform sampler2D fragTexture;
void main()
{
gl_FragColor = texture2D(fragTexture, fragTexCoord) * fragColor;
}";
uint vertexShader = GLUtils.CompileShader(vertShader, GL_VERTEX_SHADER);
uint fragmentShader = GLUtils.CompileShader(fragShader, GL_FRAGMENT_SHADER);
_program = glCreateProgram();
if (_program == 0)
{
throw new InvalidOperationException("Failed to create program.");
}
glAttachShader(_program, vertexShader);
glAttachShader(_program, fragmentShader);
glBindAttribLocation(_program, 0, "vertPosition");
glBindAttribLocation(_program, 1, "vertColor");
glBindAttribLocation(_program, 2, "vertTexCoord");
GLUtils.LinkProgram(_program);
_vertTransformLocation = glGetUniformLocation(_program, "vertTransform");
_fragTextureLocation = glGetUniformLocation(_program, "fragTexture");
glEnable(GL_BLEND);
glBlendFuncSeparate(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA, GL_ONE, GL_ZERO);
glClearColor(1.0f, 0.0f, 1.0f, 1.0f);
}
public Game()
{
var basePath = Path.GetDirectoryName(Assembly.GetEntryAssembly()?.Location ?? "");
Directory.SetCurrentDirectory(basePath);
if (glfwInit() == 0)
{
throw new InvalidOperationException("Failed to initialize GLFW.");
}
glfwWindowHint(GLFW_CLIENT_API, GLFW_NO_API);
_window = glfwCreateWindow(1024, 768, "SameGame", IntPtr.Zero, IntPtr.Zero);
if (_window == IntPtr.Zero)
{
throw new InvalidOperationException("Failed to create window.");
}
_windowSizeCallback = (a, b, c) => OnWindowSize(a, b, c);
glfwSetWindowSizeCallback(_window, _windowSizeCallback);
_keyboardCallback = (a, b, c, d, e) => OnKeyboard(a, b, c, d, e);
glfwSetKeyCallback(_window, _keyboardCallback);
_mouseMoveCallback = (a, b, c) => OnMouseMove(a, b, c);
glfwSetCursorPosCallback(_window, _mouseMoveCallback);
_mouseButtonCallback = (a, b, c, d) => OnMouseButton(a, b, c, d);
glfwSetMouseButtonCallback(_window, _mouseButtonCallback);
GLUtils.CreateContext(_window, out _display, out _surface);
Graphics = new Graphics(this);
BoardRenderer = new BoardRenderer(Graphics);
Board = new Board(new RNG(100));
}