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MineClone2/mods/CORE/_mcl_enchanting/book.lua

88 lines
2.9 KiB
Lua

local book_animations = {["close"] = 1, ["opening"] = 2, ["open"] = 3, ["closing"] = 4}
local book_animation_steps = {0, 640, 680, 700, 740}
local book_animation_speed = 40
function mcl_enchanting.schedule_book_animation(self, anim)
self.scheduled_anim = {timer = self.anim_length, anim = anim}
end
function mcl_enchanting.set_book_animation(self, anim)
local anim_index = book_animations[anim]
local start, stop = book_animation_steps[anim_index], book_animation_steps[anim_index + 1]
self.object:set_animation({x = start, y = stop}, book_animation_speed)
self.scheduled_anim = nil
self.anim_length = (stop - start) / 40
end
function mcl_enchanting.check_animation_schedule(self, dtime)
local schedanim = self.scheduled_anim
if schedanim then
schedanim.timer = schedanim.timer - dtime
if schedanim.timer <= 0 then
mcl_enchanting.set_book_animation(self, schedanim.anim)local pos1=self.object:get_pos()
end
end
end
function mcl_enchanting.look_at(self, pos2)
local pos1 = self.object:get_pos()
local vec = vector.subtract(pos1, pos2)
local yaw = math.atan(vec.z / vec.x) - math.pi/2
yaw = yaw + (pos1.x >= pos2.x and math.pi or 0)
self.object:set_yaw(yaw + math.pi)
end
function mcl_enchanting.check_book(pos)
local obj_pos = vector.add(pos, mcl_enchanting.book_offset)
for _, obj in pairs(minetest.get_objects_inside_radius(obj_pos, 0.1)) do
local luaentity = obj:get_luaentity()
if luaentity and luaentity.name == "mcl_enchanting:book" then
if minetest.get_node(pos).name ~= "mcl_enchanting:table" then
obj:remove()
end
return
end
end
minetest.add_entity(obj_pos, "mcl_enchanting:book")
end
minetest.register_entity("mcl_enchanting:book", {
initial_properties = {
visual = "mesh",
mesh = "mcl_enchanting_book.b3d",
visual_size = {x = 12.5, y = 12.5},
collisionbox = {0, 0, 0},
physical = false,
textures = {"mcl_enchanting_book_entity.png"},
},
player_near = false,
on_activate = function(self)
self.object:set_armor_groups({immortal = 1})
mcl_enchanting.set_book_animation(self, "close")
mcl_enchanting.check_book(vector.subtract(self.object:get_pos(), mcl_enchanting.book_offset))
end,
on_step = function(self, dtime)
local old_player_near = self.player_near
local player_near = false
local player
for _, obj in pairs(minetest.get_objects_inside_radius(self.object:get_pos(), 2.5)) do
if obj:is_player() then
player_near = true
player = obj
end
end
if player_near and not old_player_near then
mcl_enchanting.set_book_animation(self, "opening")
mcl_enchanting.schedule_book_animation(self, "open")
elseif old_player_near and not player_near then
mcl_enchanting.set_book_animation(self, "closing")
mcl_enchanting.schedule_book_animation(self, "close")
end
if player then
mcl_enchanting.look_at(self, player:get_pos())
end
self.player_near = player_near
mcl_enchanting.check_animation_schedule(self, dtime)
end,
})