sys::OpenGL Class Reference

#include <opengl.h>

Inheritance diagram for sys::OpenGL:

Collaboration diagram for sys::OpenGL:

Public Member Functions
	OpenGL ()
	~OpenGL () override
auto	clone () const -> std::unique_ptr< GameObject > override
	makes a copy a GameObject even if it's held polymorphically
auto	onUpdate (float dt) -> void override
	called once every frame.
auto	endWindow () -> void override
	currently unused, but intended to but was assumed to be necessary for a proper ImGui editor
auto	onRender () -> void override
	called every frame after update has been called for every object.
auto	onEnterEngine () -> void override
	hook that is called when a GameObject enters the Engine tree.
auto	load (Stream &stream) -> void override
	Implementations will load the state of a GameObject from a th::Json Object.
auto	save (Stream &stream) const -> void override
	Implementations will load the state of a GameObject to a th::Json object.
auto	getWindow () const -> GLFWwindow *
auto	getTextureID () const -> GLuint
auto	bindFrameBuffer () -> void
	bind framebuffer for ImGui Viewport
auto	unbindFrameBuffer () -> void
	unbind framebuffer for ImGui Viewport
auto	createFrameBuffer () -> void
	create framebuffer for ImGui Viewport
auto	rescaleFrameBuffer () -> void
	rescale framebuffer for ImGui Viewport based on sys::opengl width and height
auto	finishFrame () const -> void
auto	getWidth () const -> int
auto	getHeight () const -> int
auto	setWidth (int width) -> void
auto	setHeight (int height) -> void
Public Member Functions inherited from System
auto	showMenu () -> void override
	Called before update each frame, for calling ImGui editor code relevant to the gameObject.
auto	getKey () const -> Key override
	Generates a unique Key that corresponds to the GameObject.
auto	getParent () const -> GameObject *override
	Gets the parent of a GameObject.
Public Member Functions inherited from GameObject
	GameObject (std::string typeName, gobj::Type parentType, gobj::Type type)
	constructor for gameobject.
virtual	~GameObject ()
	destructor for GameObject.
	GameObject (const GameObject &other)
	Copy Constructor.
auto	operator= (const GameObject &other) -> GameObject &
	copy assignment operator
	GameObject (GameObject &&other) noexcept
	Move constructor.
auto	operator= (GameObject &&other) noexcept -> GameObject &
	Move assignment operator.
virtual auto	update (float dt) -> void
	called once every frame.
virtual auto	render () -> void
	called every frame after update has been called for every object.
virtual auto	destroy () -> void
	Marks an GameObject to be destroyed.
virtual auto	for_each (std::function< void(GameObject &)> func) -> void
	applies a function to every child.
virtual auto	for_each (std::function< void(const GameObject &)> func) const -> void
	applies a const function to every child.
virtual auto	parentTo (GameObject *newParent) -> bool
	Sets the GameObject as a child of another GameObject.
auto	getInternalParent () const -> GameObject *
	returns the actual owning parent of the GameObject
virtual auto	addChild (std::unique_ptr< GameObject > newChild) -> bool
	Adds a child to a GameObject.
auto	destroyed () const -> bool
auto	getUUID () const -> gobj::UUID
auto	isUUID (gobj::UUID compareUUID) const -> bool
auto	getName () const -> const std::string &
	Gets the type of the object as a string.
auto	getNickname () const -> const std::string &
	Gets the nickname (custom, writable name) of a GameObject.
void	calculateFormattedName () const
auto	getFormattedName () const -> const std::string &
	combines a GameObjects Type, Nickname, and UUID into one string, for use with logging.
auto	nameEquals (const std::string &compareString) const -> bool
	check whether a GameObjects typeName is equivilent to a given string.
auto	isType (gobj::Type otherType) const -> bool
	check whether the GameObject is the same as a given type.
auto	getObjectType () const -> gobj::Type
	gets the internal type of the GameObject, as an enum
auto	setNickname (const std::string &newNickname) -> void
	sets the GameObjects nickname.
auto	updates () const -> bool
auto	renders () const -> bool
auto	receivesMessages () const -> bool
auto	isActive () const -> bool
virtual auto	setShouldUpdate (const bool _shouldUpdate) -> void
	set whether the GameObject should update every frame, and whether all of it's children should update every frame
virtual auto	setShouldRender (const bool _shouldRender) -> void
	set whether the GameObject should render every frame, and whether all of it's children should render every frame
virtual auto	setShouldReceiveMessages (const bool _shouldReceiveMessages) -> void
	set whether the GameObject should Receive Messags, and whether all of it's children should receive messages
auto	setActive (const bool shouldBeActive) -> void
	set the GameObject should update, render, and receive messages

Static Public Member Functions
static auto	getEnum () -> Type
	function required by all systems

Protected Member Functions
auto	systemShowMenu () -> void override
	Specific systems should override this function to show their specific menu for the system.
Protected Member Functions inherited from System
	System (const std::string &typeName, Type systemType)
Protected Member Functions inherited from GameObject
auto	setInternalParent (GameObject *parent) -> bool
	sets the internal parent of a GameObject directly, avoiding abstractions provided by ParentTo().
auto	getGameObjectJson () const -> json
	Used for serializing GameObjects.
auto	setGameObjectJson (const json &stream) -> void
	used for deserializing GameObjects
virtual auto	getChildren () const -> std::shared_ptr< std::vector< GameObject * > >
	gets a vector of a GameObjects public (i.e.
auto	checkAddToSceneHook () -> void
	Determine if the GameObject was recently added to the engine, and if it was, call onEngineEnter.

Private Member Functions
auto	createMesh () -> void
auto	setShaderUniforms () const -> void
auto	linkMessages () -> void
	linking message
auto	receiveToggleWindowedFullScreen (const Message *message) -> Message
	message for toggling fullscreen

Static Private Member Functions
static auto	lookAt (const Eigen::Vector3f &eye, Eigen::Vector3f center, Eigen::Vector3f up) -> Eigen::Matrix4f
static auto	draw (GLuint shader, float scale, float rotation, Eigen::Vector4f position, GLuint mesh, int vertexCount, GLuint texture)

Private Attributes
GLFWwindow *	windowHandle
GLFWmonitor *	monitorHandle {nullptr}
	monitor handle if it is in null its in windowed mode and if its not it will go into fullscreen its just
const GLFWvidmode *	videoMode
int	width {default_window_width}
int	height {default_window_height}
std::unique_ptr< GLFWimage >	windowIcon
GLuint	colorShader = 0
	The following are test variables for test opengl.
GLuint	textureShader = 0
	ID for the shader which handleds textures.
GLuint	meshID = 0
	ID for the mesh.
GLuint	meshVertexBufferID = 0
	ID for the vertex buffer associated with the mesh.
int	meshVertexCount = 0
	number of vertices in the mesh
GLuint	textureID = 0
	ID for the texture for custom frameBuffer.
GLuint	frameBuffer = 0
	ID for the custom framebuffer.
GLuint	renderBuffer = 0
	ID for the custom renderBuffer.
Eigen::Vector4f	cardPosition {150.f, -20.f, 0.f, 1.f}
const char *	ColorShaderFile = "source/Shaders/Frag/color.frag"
const char *	TextureShaderFile = "source/Shaders/Frag/texture.frag"
const char *	VertexShaderFile = "source/Shaders/Vert/default.vert"
const char *	cardFile = "Assets/cards/40x60_card.png"
float	backgroundRedVal = 0.1f
float	backgroundGreenVal = 0.1f
float	backgroundBlueVal = 0.1f

Additional Inherited Members
Public Types inherited from System
enum class	Type : unsigned short {   system_error_type = 0 , newSystemStub = 100 , OpenGL = 200 , Input = 300 ,   Editor = 400 , Messaging = 500 , Camera = 600 , Logging = 700 ,   AudioSystem = 750 , Scoring = 800 , HandSystem = 900 , SceneManager = 1000 ,   ActionList = 1100 , DebugDraw = 1150 , TestRunner = 1200 , ColliderSystem = 1300 }
Public Attributes inherited from GameObject
friend	Entity
friend	Node
friend	ChildrenHandeler
friend	Engine

Constructor & Destructor Documentation

OpenGL()

sys::OpenGL::OpenGL

(

)

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~OpenGL()

sys::OpenGL::~OpenGL ( )

override

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Member Function Documentation

bindFrameBuffer()

auto sys::OpenGL::bindFrameBuffer

(

)

->void

bind framebuffer for ImGui Viewport

clone()

auto sys::OpenGL::clone ( ) const->std::unique_ptr< GameObject >

overridevirtual

makes a copy a GameObject even if it's held polymorphically

Warning

When overriding this function, make sure to set the parents object to this

Returns

a unique_ptr to a new stack allocated object that is a copy of the object

Implements GameObject.

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createFrameBuffer()

auto sys::OpenGL::createFrameBuffer

(

)

->void

create framebuffer for ImGui Viewport

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createMesh()

auto sys::OpenGL::createMesh ( ) ->void

private

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draw()

auto sys::OpenGL::draw ( GLuint shader, float scale, float rotation, Eigen::Vector4f position, GLuint mesh, int vertexCount, GLuint texture )

staticprivate

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endWindow()

auto sys::OpenGL::endWindow ( ) ->void

inlineoverridevirtual

currently unused, but intended to but was assumed to be necessary for a proper ImGui editor

Implements GameObject.

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finishFrame()

auto sys::OpenGL::finishFrame

(

)

const->void

getEnum()

auto sys::OpenGL::getEnum ( ) ->Type

inlinestatic

function required by all systems

getHeight()

auto sys::OpenGL::getHeight ( ) const->int

nodiscard

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getTextureID()

auto sys::OpenGL::getTextureID

(

)

const->GLuint

getWidth()

auto sys::OpenGL::getWidth ( ) const->int

nodiscard

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getWindow()

auto sys::OpenGL::getWindow

(

)

const->GLFWwindow *

linkMessages()

auto sys::OpenGL::linkMessages ( ) ->void

private

linking message

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load()

auto sys::OpenGL::load ( Stream & stream ) ->void

overridevirtual

Implementations will load the state of a GameObject from a th::Json Object.

Unimplemented in GameObject

Parameters

stream

th::Json Object

Implements GameObject.

lookAt()

auto sys::OpenGL::lookAt ( const Eigen::Vector3f & eye, Eigen::Vector3f center, Eigen::Vector3f up )->Eigen::Matrix4f

staticprivate

onEnterEngine()

auto sys::OpenGL::onEnterEngine ( ) ->void

overridevirtual

hook that is called when a GameObject enters the Engine tree.

The hook is called immedietly after a gameobject's parent is called. Functionality may not be correct if an object was removed from the engine then re-added

Reimplemented from GameObject.

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onRender()

auto sys::OpenGL::onRender ( ) ->void

overridevirtual

called every frame after update has been called for every object.

Generally used for rendering an object to the screen, when applicable. Unimplemented in GameObject

Implements GameObject.

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onUpdate()

auto sys::OpenGL::onUpdate ( float dt ) ->void

overridevirtual

called once every frame.

Generally used for timers, movement, condition checks, etc. Unimplemented in GameObject

Parameters

dt	the time in seconds that has elapsed

Implements GameObject.

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receiveToggleWindowedFullScreen()

auto sys::OpenGL::receiveToggleWindowedFullScreen ( const Message * message ) ->Message

private

message for toggling fullscreen

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rescaleFrameBuffer()

auto sys::OpenGL::rescaleFrameBuffer

(

)

->void

rescale framebuffer for ImGui Viewport based on sys::opengl width and height

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save()

auto sys::OpenGL::save ( Stream & stream ) const->void

overridevirtual

Implementations will load the state of a GameObject to a th::Json object.

Unimplemented in GameObject

Parameters

stream

th::Json Object

Implements GameObject.

setHeight()

auto sys::OpenGL::setHeight

(

int

height

)

->void

setShaderUniforms()

auto sys::OpenGL::setShaderUniforms ( ) const->void

private

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setWidth()

auto sys::OpenGL::setWidth

(

int

width

)

->void

systemShowMenu()

auto sys::OpenGL::systemShowMenu ( ) ->void

overrideprotectedvirtual

Specific systems should override this function to show their specific menu for the system.

Reimplemented from System.

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unbindFrameBuffer()

auto sys::OpenGL::unbindFrameBuffer

(

)

->void

unbind framebuffer for ImGui Viewport

Member Data Documentation

backgroundBlueVal

float sys::OpenGL::backgroundBlueVal = 0.1f

private

backgroundGreenVal

float sys::OpenGL::backgroundGreenVal = 0.1f

private

backgroundRedVal

float sys::OpenGL::backgroundRedVal = 0.1f

private

cardFile

const char* sys::OpenGL::cardFile = "Assets/cards/40x60_card.png"

private

cardPosition

Eigen::Vector4f sys::OpenGL::cardPosition {150.f, -20.f, 0.f, 1.f}

private

colorShader

GLuint sys::OpenGL::colorShader = 0

private

The following are test variables for test opengl.

ID for the shader taht only applies color

ColorShaderFile

const char* sys::OpenGL::ColorShaderFile = "source/Shaders/Frag/color.frag"

private

frameBuffer

GLuint sys::OpenGL::frameBuffer = 0

private

ID for the custom framebuffer.

height

int sys::OpenGL::height {default_window_height}

private

meshID

GLuint sys::OpenGL::meshID = 0

private

ID for the mesh.

meshVertexBufferID

GLuint sys::OpenGL::meshVertexBufferID = 0

private

ID for the vertex buffer associated with the mesh.

meshVertexCount

int sys::OpenGL::meshVertexCount = 0

private

number of vertices in the mesh

monitorHandle

GLFWmonitor* sys::OpenGL::monitorHandle {nullptr}

private

monitor handle if it is in null its in windowed mode and if its not it will go into fullscreen its just

renderBuffer

GLuint sys::OpenGL::renderBuffer = 0

private

ID for the custom renderBuffer.

textureID

GLuint sys::OpenGL::textureID = 0

private

ID for the texture for custom frameBuffer.

textureShader

GLuint sys::OpenGL::textureShader = 0

private

ID for the shader which handleds textures.

TextureShaderFile

const char* sys::OpenGL::TextureShaderFile = "source/Shaders/Frag/texture.frag"

private

VertexShaderFile

const char* sys::OpenGL::VertexShaderFile = "source/Shaders/Vert/default.vert"

private

videoMode

const GLFWvidmode* sys::OpenGL::videoMode

private

width

int sys::OpenGL::width {default_window_width}

private

windowHandle

GLFWwindow* sys::OpenGL::windowHandle

private

windowIcon

std::unique_ptr<GLFWimage> sys::OpenGL::windowIcon

private

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The documentation for this class was generated from the following files:

• /home/egrazil/sites/Brunot/The House/source/System/opengl.h
• /home/egrazil/sites/Brunot/The House/source/System/opengl.cpp