✨ Some basic ui things

pkg/internal/land/object_ui.go

@@ -0,0 +1,21 @@
+package land
+
+import "github.com/veandco/go-sdl2/sdl"
+
+type BaseUIObject struct {
+	BaseObject
+
+	Position Vector2D
+	Size     Vector2D
+}
+
+func (p *BaseUIObject) Draw(pen *sdl.Renderer) {
+}
+
+func (p *BaseUIObject) GetPosition() Vector2D {
+	return p.Position
+}
+
+func (p *BaseUIObject) GetSize() Vector2D {
+	return p.Size
+}

pkg/internal/land/ui/button.go

@@ -0,0 +1,61 @@
+package ui
+
+import (
+	"git.solsynth.dev/highland/codingland/pkg/internal/land"
+	"github.com/veandco/go-sdl2/sdl"
+	"github.com/veandco/go-sdl2/ttf"
+	"log"
+)
+
+type ButtonObject struct {
+	land.BaseUIObject
+
+	Label        string
+	Font         *ttf.Font
+	OnClickEvent func(mousePos land.Vector2D)
+}
+
+func (p *ButtonObject) Draw(pen *sdl.Renderer) {
+	var borderWidth int32 = 2
+
+	pen.SetDrawColor(255, 255, 255, 255)
+	pen.FillRect(&sdl.Rect{
+		X: int32(p.Position.X),
+		Y: int32(p.Position.Y),
+		W: int32(p.Size.X),
+		H: int32(p.Size.Y),
+	})
+	pen.SetDrawColor(0, 0, 0, 255)
+	pen.FillRect(&sdl.Rect{
+		X: int32(p.Position.X) + borderWidth/2,
+		Y: int32(p.Position.Y) + borderWidth/2,
+		W: int32(p.Size.X) - borderWidth,
+		H: int32(p.Size.Y) - borderWidth,
+	})
+
+	surface, err := p.Font.RenderUTF8Blended(p.Label, sdl.Color{R: 255, G: 255, B: 255, A: 255})
+	if err != nil {
+		log.Printf("Failed to render text: %s", err)
+		return
+	}
+	defer surface.Free()
+
+	texture, err := pen.CreateTextureFromSurface(surface)
+	if err != nil {
+		log.Printf("Failed to create texture: %s", err)
+		return
+	}
+	defer texture.Destroy()
+
+	textRect := sdl.Rect{
+		X: int32(p.BaseUIObject.Position.X),
+		Y: int32(p.BaseUIObject.Position.Y),
+		W: surface.W,
+		H: surface.H,
+	}
+	pen.Copy(texture, nil, &textRect)
+}
+
+func (p *ButtonObject) OnClick(mousePos land.Vector2D) {
+	p.OnClickEvent(mousePos)
+}