1 files changed, 82 insertions, 0 deletions
diff --git a/game/src/Game/GameSession/BillboardManager.gd b/game/src/Game/GameSession/BillboardManager.gd
new file mode 100644
index 0000000..f6b96c0
--- /dev/null
+++ b/game/src/Game/GameSession/BillboardManager.gd
@@ -0,0 +1,82 @@
+extends MultiMeshInstance3D
+
+#given a name: get the index for the texture in the shader
+#var billboard_names = {
+	
+#}
+var billboard_names = []
+
+# Called when the node enters the scene tree for the first time.
+func _ready():
+	const name_key : StringName = &"name"
+	const texture_key : StringName = &"texture"
+	const scale_key : StringName = &"scale"
+	const noOfFrames_key : StringName = &"noFrames"
+	
+	
+	var textures : Array[Texture2D] = []
+	var frames : Array[int] = []
+	var scales : Array[float] = []
+	
+	var billboards:Array[Dictionary] = MapItemSingleton.get_billboards()
+	for billboard in billboards:
+		var b_name = billboard[name_key]
+		var texture = billboard[texture_key]
+		var b_scale = billboard[scale_key]
+		var noFrames = billboard[noOfFrames_key]
+		textures.push_back(AssetManager.get_texture(texture))
+		frames.push_back(noFrames)
+		scales.push_back(b_scale)
+		billboard_names.push_back(b_name)
+	
+	var material:ShaderMaterial = load("res://src/Game/GameSession/billboards.tres")
+	material.set_shader_parameter("billboards",textures)
+	material.set_shader_parameter("numframes",frames)
+	material.set_shader_parameter("sizes",scales)
+	
+	# Create the multimesh.
+	multimesh = MultiMesh.new()
+	
+	# Set the format first.
+	multimesh.transform_format = MultiMesh.TRANSFORM_3D
+	multimesh.mesh = QuadMesh.new()
+	multimesh.use_custom_data = true
+	
+	multimesh.mesh.surface_set_material(0,material)
+	
+	
+	# Need to have one instance for every province
+	# need to get a list of province centers
+	#GameSingleton.get_mapmode_identifier(0)
+	#GameSingleton.get_mapmode_count()
+	
+	var positions: PackedVector2Array = MapItemSingleton.get_province_positions()
+	
+	# Then resize (otherwise, changing the format is not allowed).
+	#multimesh.instance_count = positions.size()
+	#multimesh.visible_instance_count = positions.size()
+	print("===============")
+	print(positions)
+	print(positions.size())
+	# Set the transform of the instances.
+	"""for i in multimesh.visible_instance_count:
+		multimesh.set_instance_transform(i, Transform3D(Basis(), 
+			Vector3(positions[i].x, 0.5, positions[i].y)
+		))
+		# custom data is a single vec4 float sent as a color
+		# Info send to the shader is as follows:
+		# x: image from imageArray
+		# y: frame from selected image
+		# z: visibility
+		# w: unused, perhaps progress for progress bars?
+		#rf()+0.5 
+		var im = r(textures.size()-1)
+		multimesh.set_instance_custom_data(i,Color(
+			im,r(frames[im]),1.0,0
+		))"""
+
+func r(x:int=1)->int:
+	return randi_range(0,x)
+	
+func rf(lim:float=1.0)->float:
+	return randf_range(0,lim)