Hud Class Reference

Top-level HUD system. More...

#include <Hud.hpp>

Collaboration diagram for Hud:

Public Member Functions
bool	init (SDL_GPUDevice *device, SDL_GPUShaderFormat shaderFormat, const SdfAtlas &sdfAtlas, uint32_t screenW, uint32_t screenH)
	Initialise all HUD subsystems and create default widgets.
void	quit ()
	Release all resources.
void	resize (uint32_t newW, uint32_t newH)
	Notify of window resize.
void	processEvent (const SDL_Event *event)
	Forward an SDL event to interactive widgets (buy menu, scoreboard).
void	update (float dt, const HudGameState &state)
	Tick widget animations and consume game events.
void	render ()
	Draw all widgets and flush to the GPU offscreen target.
SDL_GPUTexture *	getOutputTexture () const
	The offscreen texture to blit.
std::vector< std::unique_ptr< HudWidget > > &	widgets ()
	Access all widgets (for debug panel iteration).
HudTweenPool &	tweens ()
	Access the tween pool (for debug panel).

Private Member Functions
void	resolveAnchor (const HudWidget &w, float &outX, float &outY) const
	Resolve anchor + offset to pixel coordinates.
void	createWidgets ()
	Create all default widgets with initial layout.

Private Attributes
HudRenderer	renderer_
HudContext	context_
HudTweenPool	tweens_
std::vector< std::unique_ptr< HudWidget > >	widgets_
float	screenW_ = 0.f
float	screenH_ = 0.f

Detailed Description

Top-level HUD system.

Owns all layers and widgets.

Game calls update() + render() each frame. The renderer reads getOutputTexture() and blits it after tone mapping.

Member Function Documentation

createWidgets()

void Hud::createWidgets ( )

private

Create all default widgets with initial layout.

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getOutputTexture()

SDL_GPUTexture * Hud::getOutputTexture ( ) const

inlinenodiscard

The offscreen texture to blit.

init()

bool Hud::init	(	SDL_GPUDevice *	device,
		SDL_GPUShaderFormat	shaderFormat,
		const SdfAtlas &	sdfAtlas,
		uint32_t	screenW,
		uint32_t	screenH )

Initialise all HUD subsystems and create default widgets.

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processEvent()

void Hud::processEvent

(

const SDL_Event *

event

)

Forward an SDL event to interactive widgets (buy menu, scoreboard).

quit()

void Hud::quit

(

)

Release all resources.

render()

void Hud::render

(

)

Draw all widgets and flush to the GPU offscreen target.

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resize()

void Hud::resize	(	uint32_t	newW,
		uint32_t	newH )

Notify of window resize.

resolveAnchor()

void Hud::resolveAnchor ( const HudWidget & w, float & outX, float & outY ) const

private

Resolve anchor + offset to pixel coordinates.

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tweens()

HudTweenPool & Hud::tweens ( )

inlinenodiscard

Access the tween pool (for debug panel).

update()

void Hud::update	(	float	dt,
		const HudGameState &	state )

Tick widget animations and consume game events.

widgets()

std::vector< std::unique_ptr< HudWidget > > & Hud::widgets ( )

inlinenodiscard

Access all widgets (for debug panel iteration).

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Member Data Documentation

context_

HudContext Hud::context_

private

renderer_

HudRenderer Hud::renderer_

private

screenH_

float Hud::screenH_ = 0.f

private

screenW_

float Hud::screenW_ = 0.f

private

tweens_

HudTweenPool Hud::tweens_

private

widgets_

std::vector<std::unique_ptr<HudWidget> > Hud::widgets_

private

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

• src/client/hud/Hud.hpp
• src/client/hud/Hud.cpp