boxbrawl/system/map.go

package system

import (
	"image/color"

	"code.rocketnine.space/tslocum/boxbrawl/component"
	"code.rocketnine.space/tslocum/boxbrawl/world"
	"code.rocketnine.space/tslocum/gohan"
	"github.com/hajimehoshi/ebiten/v2"
)

type MapSystem struct {
	*component.Once

	initialized bool
}

func (s *MapSystem) initialize() {
	// TODO
}

func (s *MapSystem) Update(e gohan.Entity) error {
	if !s.initialized {
		s.initialize()
	}

	if world.ConnectPromptVisible {
		return nil
	}

	return nil
}

func (s *MapSystem) Draw(e gohan.Entity, screen *ebiten.Image) error {
	if world.ConnectPromptVisible {
		return nil
	}

	screen.Fill(color.RGBA{0, 100, 100, 255})

	const groundBorderSize = 3
	groundBorderColor := color.RGBA{30, 30, 30, 255}
	groundColor := color.RGBA{20, 20, 20, 255}

	for _, r := range world.PhysicsRects {
		groundRect := world.GameRectToScreen(r)
		screen.SubImage(groundRect).(*ebiten.Image).Fill(groundBorderColor)

		inset := groundRect.Inset(groundBorderSize)
		inset.Max.Y += groundBorderSize
		screen.SubImage(inset).(*ebiten.Image).Fill(groundColor)
	}

	return nil
}