1 files changed, 131 insertions, 0 deletions
diff --git a/game/src/Game/GameSession/ModelManager.gd b/game/src/Game/GameSession/ModelManager.gd
new file mode 100644
index 0000000..17d2c1e
--- /dev/null
+++ b/game/src/Game/GameSession/ModelManager.gd
@@ -0,0 +1,131 @@
+class_name ModelManager
+extends Node3D
+
+@export var _map_view : MapView
+
+const MODEL_SCALE : float = 1.0 / 256.0
+
+func generate_units() -> void:
+	XACLoader.setup_flag_shader()
+
+	for unit : Dictionary in ModelSingleton.get_units():
+		_generate_unit(unit)
+
+func _generate_unit(unit_dict : Dictionary) -> void:
+	const culture_key : StringName = &"culture"
+	const model_key : StringName = &"model"
+	const mount_model_key : StringName = &"mount_model"
+	const mount_attach_node_key : StringName = &"mount_attach_node"
+	const flag_index_key : StringName = &"flag_index"
+	const flag_floating_key : StringName = &"flag_floating"
+	const position_key : StringName = &"position"
+	const rotation_key : StringName = &"rotation"
+	const primary_colour_key : StringName = &"primary_colour"
+	const secondary_colour_key : StringName = &"secondary_colour"
+	const tertiary_colour_key : StringName = &"tertiary_colour"
+
+	var model : Node3D = _generate_model(unit_dict[model_key], unit_dict[culture_key])
+	if not model:
+		return
+
+	if mount_model_key in unit_dict and mount_attach_node_key in unit_dict:
+		# This must be a UnitModel so we can attach the rider to it
+		var mount_model : Node3D = _generate_model(unit_dict[mount_model_key], unit_dict[culture_key], true)
+		if mount_model:
+			mount_model.attach_model(unit_dict[mount_attach_node_key], model)
+			model = mount_model
+
+	var rotation : float = unit_dict.get(rotation_key, 0.0)
+
+	var flag_dict : Dictionary = ModelSingleton.get_flag_model(unit_dict.get(flag_floating_key, false))
+	if flag_dict:
+		var flag_model : UnitModel = _generate_model(flag_dict, "", true)
+		if flag_model:
+			flag_model.set_flag_index(unit_dict[flag_index_key])
+			flag_model.current_anim = UnitModel.Anim.IDLE
+			flag_model.scale /= model.scale
+			flag_model.rotate_y(-rotation)
+
+			model.add_child(flag_model)
+
+	model.scale *= MODEL_SCALE
+	model.rotate_y(PI + rotation)
+	model.set_position(_map_view._map_to_world_coords(unit_dict[position_key]) + Vector3(0, 0.1 * MODEL_SCALE, 0))
+
+	if model is UnitModel:
+		model.current_anim = UnitModel.Anim.IDLE
+
+		model.primary_colour = unit_dict[primary_colour_key]
+		model.secondary_colour = unit_dict[secondary_colour_key]
+		model.tertiary_colour = unit_dict[tertiary_colour_key]
+
+	add_child(model)
+
+func _generate_model(model_dict : Dictionary, culture : String = "", is_unit : bool = false) -> Node3D:
+	const file_key : StringName = &"file"
+	const scale_key : StringName = &"scale"
+	const idle_key : StringName = &"idle"
+	const move_key : StringName = &"move"
+	const attack_key : StringName = &"attack"
+	const attachments_key : StringName = &"attachments"
+
+	const animation_file_key : StringName = &"file"
+	const animation_time_key : StringName = &"time"
+
+	const attachment_node_key : StringName = &"node"
+	const attachment_model_key : StringName = &"model"
+
+	# Model
+	is_unit = is_unit or (
+		# Needed for animations
+		idle_key in model_dict or move_key in model_dict or attack_key in model_dict
+		# Currently needs UnitModel's attach_model helper function
+		or attachments_key in model_dict
+	)
+
+	var model : Node3D = XACLoader.get_xac_model(model_dict[file_key], is_unit)
+	if not model:
+		return null
+	model.scale *= model_dict[scale_key]
+
+	if model is UnitModel:
+		# Animations
+		var idle_dict : Dictionary = model_dict.get(idle_key, {})
+		if idle_dict:
+			model.idle_anim = XSMLoader.get_xsm_animation(idle_dict[animation_file_key])
+			model.scroll_speed_idle = idle_dict[animation_time_key]
+
+		var move_dict : Dictionary = model_dict.get(move_key, {})
+		if move_dict:
+			model.move_anim = XSMLoader.get_xsm_animation(move_dict[animation_file_key])
+			model.scroll_speed_move = move_dict[animation_time_key]
+
+		var attack_dict : Dictionary = model_dict.get(attack_key, {})
+		if attack_dict:
+			model.attack_anim = XSMLoader.get_xsm_animation(attack_dict[animation_file_key])
+			model.scroll_speed_attack = attack_dict[animation_time_key]
+
+		# Attachments
+		for attachment_dict : Dictionary in model_dict.get(attachments_key, []):
+			var attachment_model : Node3D = _generate_model(attachment_dict[attachment_model_key], culture)
+			if attachment_model:
+				model.attach_model(attachment_dict[attachment_node_key], attachment_model)
+
+		if culture:
+			const gun_bone_name : String = "GunNode"
+			if model.has_bone(gun_bone_name):
+				var gun_dict : Dictionary = ModelSingleton.get_cultural_gun_model(culture)
+				if gun_dict:
+					var gun_model : Node3D = _generate_model(gun_dict, culture)
+					if gun_model:
+						model.attach_model(gun_bone_name, gun_model)
+
+			const helmet_bone_name : String = "HelmetNode"
+			if model.has_bone(helmet_bone_name):
+				var helmet_dict : Dictionary = ModelSingleton.get_cultural_helmet_model(culture)
+				if helmet_dict:
+					var helmet_model : Node3D = _generate_model(helmet_dict, culture)
+					if helmet_model:
+						model.attach_model(helmet_bone_name, helmet_model)
+
+	return model