Add pipeworks.create_fake_player

Fix setter issue, add dynamic/static option

Add player height. Properties aren't adaptive yet

common.lua

@@ -157,3 +157,134 @@ function pipeworks.load_position(pos)
 	local vm = minetest.get_voxel_manip()
 	vm:read_from_map(pos, pos)
 end
+
+local function delay(...)
+	local args = {...}
+	return (function() return unpack(args) end)
+end
+
+local function get_set_wrap(name, is_dynamic)
+	return (function(self)
+		return self["_" .. name]
+	end), (function(self, value)
+		if is_dynamic then
+			self["_" .. name] = type(value) == "table"
+				and table.copy(value) or value
+		end
+	end)
+end
+
+function pipeworks.create_fake_player(def, is_dynamic)
+	local wielded_item = ItemStack("")
+	if def.inventory and def.wield_list then
+		wielded_item = def.inventory:get_stack(def.wield_list, def.wield_index or 1)
+	end
+	local p = {
+		get_player_name = delay(def.name),
+		is_player = delay(true),
+		is_fake_player = true,
+
+		_formspec = def.formspec or default.gui_survival_form,
+		_hp = def.hp or 20,
+		_breath = 11,
+		_pos = def.position and table.copy(def.position) or vector.new(),
+		_properties = def.properties or { eye_height = def.eye_height or 1.47 },
+		_inventory = def.inventory,
+		_wield_index = def.wield_index or 1,
+		_wielded_item = wielded_item,
+
+		-- Model and view
+		_eye_offset1 = vector.new(),
+		_eye_offset3 = vector.new(),
+		set_eye_offset = function(self, first, third)
+			self._eye_offset1 = table.copy(first)
+			self._eye_offset3 = table.copy(third)
+		end,
+		get_eye_offset = function(self)
+			return self._eye_offset1, self._eye_offset3
+		end,
+		get_look_dir = delay(def.look_dir or {x=0, y=0, z=1}),
+		get_look_pitch = delay(def.look_pitch or 0),
+		get_look_yaw = delay(def.look_yaw or 0),
+		get_look_horizontal = delay(def.look_yaw or 0),
+		get_look_vertical = delay(-(def.look_pitch or 0)),
+		set_animation = delay(),
+
+		-- Controls
+		get_player_control = delay({
+			jump=false, right=false, left=false, LMB=false, RMB=false,
+			sneak=def.sneak, aux1=false, down=false, up=false
+		}),
+		get_player_control_bits = delay(def.sneak and 64 or 0),
+
+		-- Inventory and ItemStacks
+		get_inventory = delay(def.inventory),
+		set_wielded_item = function(self, item)
+			if self._inventory and def.wield_list then
+				return self._inventory:set_stack(def.wield_list,
+					self._wield_index, item)
+			end
+			_wielded_item = ItemStack(item)
+		end,
+		get_wielded_item = function(self, item)
+			if self._inventory and def.wield_list then
+				return self._inventory:get_stack(def.wield_list,
+					self._wield_index)
+			end
+			return ItemStack(self._wielded_item)
+		end,
+		get_wield_list = delay(def.wield_list),
+
+		punch = delay(),
+		remove = delay(),
+		right_click = delay(),
+		set_attach = delay(),
+		set_detach = delay(),
+		set_bone_position = delay(),
+		hud_change = delay(),
+	}
+	local _trash
+	-- Getter & setter functions
+	p.get_inventory_formspec, p.set_inventory_formspec
+		= get_set_wrap("formspec", is_dynamic)
+	p.get_breath, p.set_breath = get_set_wrap("breath", is_dynamic)
+	p.get_hp, p.set_hp = get_set_wrap("hp", is_dynamic)
+	p.get_pos, p.set_pos = get_set_wrap("pos", is_dynamic)
+	_trash, p.move_to = get_set_wrap("pos", is_dynamic)
+	p.get_wield_index, p.set_wield_index = get_set_wrap("wield_index", true)
+	p.get_properties, p.set_properties = get_set_wrap("properties", false)
+
+	-- Backwards compatibilty
+	p.getpos = p.get_pos
+	p.setpos = p.set_pos
+	p.moveto = p.move_to
+
+	-- TODO "implement" all these
+	-- set_armor_groups
+	-- get_armor_groups
+	-- get_animation
+	-- get_bone_position
+	-- get_player_velocity
+	-- set_look_pitch
+	-- set_look_yaw
+	-- set_physics_override
+	-- get_physics_override
+	-- hud_add
+	-- hud_remove
+	-- hud_get
+	-- hud_set_flags
+	-- hud_get_flags
+	-- hud_set_hotbar_itemcount
+	-- hud_get_hotbar_itemcount
+	-- hud_set_hotbar_image
+	-- hud_get_hotbar_image
+	-- hud_set_hotbar_selected_image
+	-- hud_get_hotbar_selected_image
+	-- hud_replace_builtin
+	-- set_sky
+	-- get_sky
+	-- override_day_night_ratio
+	-- get_day_night_ratio
+	-- set_local_animation
+	return p
+end