Fix OOB and refactor

input.go

@@ -0,0 +1,88 @@
+package main
+
+import (
+	"fmt"
+
+	rl "github.com/gen2brain/raylib-go/raylib"
+)
+
+func GetTileAtMouse(camera *rl.Camera3D) (Tile, bool) {
+	if !rl.IsMouseButtonPressed(rl.MouseLeftButton) {
+		return Tile{}, false
+	}
+	mouse := rl.GetMousePosition()
+	ray := rl.GetMouseRay(mouse, *camera)
+
+	for x := 0; x < MapWidth; x++ {
+		for y := 0; y < MapHeight; y++ {
+			tile := mapGrid[x][y]
+
+			// Define the bounding box for each tile based on its position and height
+			tilePos := rl.NewVector3(float32(x*TileSize), tile.Height*TileHeight, float32(y*TileSize))
+			boxMin := rl.Vector3Subtract(tilePos, rl.NewVector3(TileSize/2, TileHeight/2, TileSize/2))
+			boxMax := rl.Vector3Add(tilePos, rl.NewVector3(TileSize/2, TileHeight/2, TileSize/2))
+
+			// Check if the ray intersects the bounding box
+			if RayIntersectsBox(ray, boxMin, boxMax) {
+				fmt.Println("Clicked:", tile.X, tile.Y)
+				return tile, true
+			}
+		}
+	}
+	return Tile{}, false
+}
+
+func HandleInput(player *Player, camera *rl.Camera) {
+	clickedTile, clicked := GetTileAtMouse(camera)
+	if clicked {
+		path := FindPath(mapGrid[player.PosTile.X][player.PosTile.Y], clickedTile)
+		if path != nil {
+			// Exclude the first tile (current position)
+			if len(path) > 1 {
+				player.TargetPath = path[1:]
+				player.ActionQueue = append(player.ActionQueue, Action{Type: MoveAction, X: clickedTile.X, Y: clickedTile.Y})
+			}
+		}
+	}
+}
+
+// Helper function to test ray-box intersection (slab method)
+func RayIntersectsBox(ray rl.Ray, boxMin, boxMax rl.Vector3) bool {
+	tmin := (boxMin.X - ray.Position.X) / ray.Direction.X
+	tmax := (boxMax.X - ray.Position.X) / ray.Direction.X
+
+	if tmin > tmax {
+		tmin, tmax = tmax, tmin
+	}
+
+	tymin := (boxMin.Z - ray.Position.Z) / ray.Direction.Z
+	tymax := (boxMax.Z - ray.Position.Z) / ray.Direction.Z
+
+	if tymin > tymax {
+		tymin, tymax = tymax, tymin
+	}
+
+	if (tmin > tymax) || (tymin > tmax) {
+		return false
+	}
+
+	if tymin > tmin {
+		tmin = tymin
+	}
+	if tymax < tmax {
+		tmax = tymax
+	}
+
+	tzmin := (boxMin.Y - ray.Position.Y) / ray.Direction.Y
+	tzmax := (boxMax.Y - ray.Position.Y) / ray.Direction.Y
+
+	if tzmin > tzmax {
+		tzmin, tzmax = tzmax, tzmin
+	}
+
+	if (tmin > tzmax) || (tzmin > tmax) {
+		return false
+	}
+
+	return true
+}