Simple keyboard input & pause system

sdl/texture2d.go

@@ -0,0 +1,70 @@
+package sdl
+
+import (
+	"log"
+
+	"github.com/manleydev/golang-game-framework/core"
+	"github.com/manleydev/golang-game-framework/rendering"
+	"github.com/veandco/go-sdl2/sdl"
+)
+
+type SdlTexture2D struct {
+	texture *sdl.Texture
+}
+
+func NewSdlTexture2D(renderer rendering.Renderer2D, bmpPath string) *SdlTexture2D {
+	sdlRenderer, ok := renderer.(*SdlRenderer2D)
+	if !ok {
+		log.Print("Renderer is not an SDL renderer")
+		return nil
+	}
+
+	tex := SdlTexture2D{}
+	surface, err := sdl.LoadBMP(bmpPath)
+	if err != nil {
+		log.Print("Failed to load bmp: ", err)
+		return nil
+	}
+	defer surface.Free()
+
+	tex.texture, err = sdlRenderer.renderer.CreateTextureFromSurface(surface)
+	if err != nil {
+		log.Print("Failed to create SDL texture: ", err)
+		return nil
+	}
+
+	return &tex
+}
+
+func (tex SdlTexture2D) GetCenter() core.Vector2 {
+	_, _, width, height, err := tex.texture.Query()
+	if err != nil {
+		log.Print("Could not get texture center: ", err)
+		return core.Vector2{}
+	}
+
+	return core.Vector2{
+		X: float64(width / 2),
+		Y: float64(height / 2),
+	}
+}
+
+func (tex SdlTexture2D) GetRect() core.Rect2D {
+	_, _, width, height, err := tex.texture.Query()
+	if err != nil {
+		log.Print("Could not get texture data: ", err)
+		return core.Rect2D{}
+	}
+	return core.Rect2D{
+		X: 0,
+		Y: 0,
+		W: float64(width),
+		H: float64(height),
+	}
+}
+
+func (tex SdlTexture2D) Destroy() {
+	if err := tex.texture.Destroy(); err != nil {
+		log.Print("Failed to destroy SDL texture: ", err)
+	}
+}