public GuiLayer(Window w, GlProgram pgm, IVertexCoder <GuiVertex> coder, Font fnt)
{
_win = w ?? throw new ArgumentNullException(nameof(w));
_pgm = pgm ?? throw new ArgumentNullException(nameof(pgm));
_array = new VertexArray <GuiVertex>(coder, 4)
{
[0] = new GuiVertex(new Vector2(0, 0), new Vector2(0, 1)),
[1] = new GuiVertex(new Vector2(1, 0), new Vector2(1, 1)),
[2] = new GuiVertex(new Vector2(1, 1), new Vector2(1, 0)),
[3] = new GuiVertex(new Vector2(0, 1), new Vector2(0, 0))
};
_indices = new IndexBuffer(6, _array)
{
[0] = 0,
[1] = 1,
[2] = 2,
[3] = 0,
[4] = 2,
[5] = 3,
};
_font = fnt ?? throw new ArgumentNullException(nameof(fnt));
_uColor = pgm.GetUniform("uColor");
_uColor.EnsureType(new ShaderElementType(PrimitiveTypes.Float, 4));
_uTexture = pgm.GetUniform("uTexture");
_uTexture.EnsureType(new ShaderElementType(PrimitiveTypes.Sampler, 2));
_uTextureEnabled = pgm.GetUniform("uTextureEnabled");
_uTextureEnabled.EnsureType(new ShaderElementType(PrimitiveTypes.Bool, 1));
_uTransform = pgm.GetUniform("uTransform");
_uTransform.EnsureType(new ShaderElementType(PrimitiveTypes.Matrix, 4));
_uScale = pgm.GetUniform("uScale");
_uScale.EnsureType(new ShaderElementType(PrimitiveTypes.Float, 2));
}
/// <summary>
/// Init shaders registered in global repository 'programs'.
/// </summary>
/// <returns>True if succeeded.</returns>
bool SetupShaders()
{
activeProgram = null;
foreach (var programInfo in programs.Values)
{
if (programInfo.Setup())
{
activeProgram = programInfo.program;
}
}
if (activeProgram == null)
{
return(false);
}
GlProgramInfo defInfo;
if (programs.TryGetValue("default", out defInfo) &&
defInfo.program != null)
{
activeProgram = defInfo.program;
}
return(true);
}
/// <summary>
/// Installs a given program as part of the current rendering state, then draws this array object.
/// </summary>
/// <typeparam name="TAttr1">The type of the 1st attribute buffer object of the VAO.</typeparam>
/// <param name="vao">The VAO to use.</param>
/// <param name="program">The program to use.</param>
/// <param name="count">The number of vertices to draw, or -1 to draw all vertices.</param>
public static void Draw <TAttr1>(
this IVertexArrayObject <TAttr1> vao,
GlProgram program,
int count = -1)
where TAttr1 : struct
{
program.Use();
vao.Draw(count);
}
/// <summary>
/// Installs a given program as part of the current rendering state, then draws this array object.
/// </summary>
/// <typeparam name="TAttr1">The type of the 1st attribute buffer object of the VAO.</typeparam>
/// <typeparam name="TAttr2">The type of the 2nd attribute buffer object of the VAO.</typeparam>
/// <typeparam name="TUbo1">The type of the 1st uniform buffer object of the program.</typeparam>
/// <param name="vao">The VAO to use.</param>
/// <param name="program">The program to use.</param>
/// <param name="count">The number of vertices to draw, or -1 to draw all vertices.</param>
public static void Draw <TAttr1, TAttr2, TUbo1>(
this IVertexArrayObject <TAttr1, TAttr2> vao,
GlProgram <TUbo1> program,
int count = -1)
where TAttr1 : struct
where TAttr2 : struct
where TUbo1 : struct
{
program.Use();
vao.Draw(count);
}
public void DestroyResources()
{
DestroyTexture();
activeProgram = null;
programs.Clear();
if (VBOid != null &&
VBOid[0] != 0)
{
GL.DeleteBuffers(2, VBOid);
VBOid = null;
}
}
protected override void OnInitialize()
{
SphereModel sphere = new SphereModel(_coder, SPHERE_BREAKUPS);
GlProgram wProgram = new GlProgram(
new Shader(ShaderTypes.Vertex, File.ReadAllText(Path.Combine(SHADERS_DIR, WORLD_SHADERS, "vertex.glsl"))),
new Shader(ShaderTypes.Fragment, File.ReadAllText(Path.Combine(SHADERS_DIR, WORLD_SHADERS, "fragment.glsl")))
);
GlProgram gProgram = new GlProgram(
new Shader(ShaderTypes.Vertex, File.ReadAllText(Path.Combine(SHADERS_DIR, GUI_SHADERS, "vertex.glsl"))),
new Shader(ShaderTypes.Fragment, File.ReadAllText(Path.Combine(SHADERS_DIR, GUI_SHADERS, "fragment.glsl")))
);
_universe.Add(new SpaceObject(2, 100000, sphere)
{
Position = new Vector3(0, 0, 0)
});
_universe.Add(new SpaceObject(8, 50, sphere)
{
Position = new Vector3(-500, -500, 0), Velocity = new Vector3(30f, 0, -5f)
});
_universe.Add(new SpaceObject(0, 250, sphere)
{
Position = new Vector3(500, -500, 0), Velocity = new Vector3(30f, 0, 5f)
});
_universe.Add(_rocket = new RocketObject(55, new RocketModel(_coder))
{
Position = new Vector3(500, 500, 500), Velocity = new Vector3(-30f, 0f, 0f)
});
RenderHandle handle = new RenderHandle(this, wProgram);
_layer = new SceneLayer(_universe, handle);
AddLayer(_layer);
_cam = new OrbitalCamera(_layer.Camera)
{
Distance = 250
};
Font fnt = new Font(Path.Combine(ASSETS_DIR, FONT_DIR, FONT_FILE));
AddLayer(new GuiFuelLayer(_rocket, this, gProgram, new GuiVertexCoder(), fnt));
GuiLayer tutorial = new GuiLayer(this, gProgram, new GuiVertexCoder(), fnt);
tutorial.Add(_tutorialLbl);
AddLayer(tutorial);
Background = new Color(50, 50, 50, 255);
base.OnInitialize();
}
public RenderHandle(Window win, GlProgram program)
{
Window = win ?? throw new ArgumentNullException(nameof(win));
Program = program;
_uModel = program.GetUniform(UNIFORM_MODEL);
_uView = program.GetUniform(UNIFORM_VIEW);
_uProjection = program.GetUniform(UNIFORM_PROJECTION);
_uShade = program.GetUniform(UNIFORM_SHADE);
_uMaterial = new MaterialUniform(program.GetUniform($"{UNIFORM_MATERIAL}.ambient"), program.GetUniform($"{UNIFORM_MATERIAL}.diffusion"), program.GetUniform($"{UNIFORM_MATERIAL}.color"));
_uLightCount = program.GetUniform(UNIFORM_LIGHT_COUNT);
for (uint i = 0; i < LIGHT_LIMIT; i++)
{
_uLight[i] = new LightUniform(program.GetUniform($"{UNIFORM_LIGHT}[{i}].position"), program.GetUniform($"{UNIFORM_LIGHT}[{i}].color"), program.GetUniform($"{UNIFORM_LIGHT}[{i}].intensity"));
}
_uModel.EnsureType(new ShaderElementType(PrimitiveTypes.Matrix, 4));
_uView.EnsureType(new ShaderElementType(PrimitiveTypes.Matrix, 4));
_uProjection.EnsureType(new ShaderElementType(PrimitiveTypes.Matrix, 4));
_uShade.EnsureType(new ShaderElementType(PrimitiveTypes.Bool, 1));
}
public void Create()
{
_Program = new GlProgram(_VertexSourceGL, _FragmentSourceGL);
}
public GuiFuelLayer(RocketObject rkt, Window w, GlProgram pgm, IVertexCoder <GuiVertex> coder, Font fnt) : base(w, pgm, coder, fnt)
{
_rkt = rkt ?? throw new ArgumentNullException(nameof(rkt));
_fuelPbr = new ProgressBar();
Add(_fuelPbr);
}
public void Create()
{
// Create program
_Program = new GlProgram(_VertexSourceGLES2, _FragmentSourceGLES2);
}