Sprites layering

1 files changed, 31 insertions, 2 deletions

diff --git a/engine/Components/World.go b/engine/Components/World.go
index 3f7a0d4..0c322ba 100644
--- a/engine/Components/World.go
+++ b/engine/Components/World.go
@@ -16,6 +16,8 @@ type World struct {
 
 	Camera *rl.Camera2D
 
+	layersStatic layering
+
 	// ========== Cache ==========
 
 	// the collection of the colliders that belong to static objects - world, buildings, etc
@@ -25,6 +27,8 @@ type World struct {
 func (base *World) Create(manager coreobjects.SceneManager) {
 	base.Manager = manager
 	base.Player.Init(manager)
+	base.layersStatic = layering{}
+	base.generateStaticLayers()
 }
 
 func (base *World) Destroy() {
@@ -64,10 +68,35 @@ func (base *World) Draw() {
 	for _, v := range base.Floor {
 		v.Draw()
 	}
+
+	var playerDrawn = false
+	var layer = base.layersStatic.firstLayer
+	var i = 0
+	for {
+		if layer == nil {
+			break
+		}
+		if !playerDrawn && base.Player.Position.Y < layer.Index {
+			playerDrawn = true
+			// fmt.Printf("Player drawn at layer %d\n", i)
+			base.Player.Draw()
+		}
+		for _, v := range layer.Objects {
+			v.Draw()
+		}
+		layer = layer.Next()
+		i++
+	}
+	// Ensure that the player was drawn
+	if !playerDrawn {
+		base.Player.Draw()
+	}
+}
+
+func (base *World) generateStaticLayers() {
 	for _, v := range base.StaticObjects {
-		v.Draw()
+		base.layersStatic.Insert(v)
 	}
-	base.Player.Draw()
 }
 
 // The single texture drawn at level 0 of the world