2022-05-13 03:21:50 -07:00
|
|
|
assert(modlib.version >= 93, "character_anim requires at least version rolling-93 of modlib")
|
2022-05-12 03:06:21 -07:00
|
|
|
|
|
|
|
character_anim = {}
|
|
|
|
|
|
|
|
character_anim.conf = modlib.mod.configuration()
|
|
|
|
|
|
|
|
local quaternion = modlib.quaternion
|
|
|
|
-- TODO deduplicate code: move to modlib (see ghosts mod)
|
|
|
|
local media_paths = modlib.minetest.media.paths
|
|
|
|
local models = setmetatable({}, {__index = function(self, filename)
|
|
|
|
local _, ext = modlib.file.get_extension(filename)
|
|
|
|
if not ext or ext:lower() ~= "b3d" then
|
|
|
|
-- Only B3D support currently
|
|
|
|
return
|
|
|
|
end
|
|
|
|
local path = assert(media_paths[filename], filename)
|
2022-05-12 05:21:05 -07:00
|
|
|
local stream = io.open(path, "rb")
|
2022-05-12 03:06:21 -07:00
|
|
|
local model = assert(modlib.b3d.read(stream))
|
|
|
|
assert(stream:read(1) == nil, "EOF expected")
|
|
|
|
stream:close()
|
|
|
|
self[filename] = model
|
|
|
|
return model
|
|
|
|
end})
|
|
|
|
|
|
|
|
function character_anim.is_interacting(player)
|
|
|
|
local control = player:get_player_control()
|
|
|
|
return minetest.check_player_privs(player, "interact") and (control.RMB or control.LMB)
|
|
|
|
end
|
|
|
|
|
|
|
|
local function get_look_horizontal(player)
|
2022-05-12 03:10:32 -07:00
|
|
|
return -math.deg(player:get_look_horizontal())
|
2022-05-12 03:06:21 -07:00
|
|
|
end
|
|
|
|
|
|
|
|
local players = {}
|
|
|
|
character_anim.players = players
|
|
|
|
|
2022-05-12 05:46:20 -07:00
|
|
|
local function get_playerdata(player)
|
2022-05-12 03:06:21 -07:00
|
|
|
local name = player:get_player_name()
|
2022-05-12 05:46:20 -07:00
|
|
|
local data = players[name]
|
|
|
|
if data then return data end
|
|
|
|
-- Initialize playerdata if it doesn't already exist
|
|
|
|
data = {
|
|
|
|
interaction_time = 0,
|
|
|
|
animation_time = 0,
|
|
|
|
look_horizontal = get_look_horizontal(player),
|
|
|
|
bone_positions = {}
|
|
|
|
}
|
|
|
|
players[name] = data
|
|
|
|
return data
|
|
|
|
end
|
|
|
|
|
|
|
|
function character_anim.set_bone_override(player, bonename, position, rotation)
|
2022-05-12 03:06:21 -07:00
|
|
|
local value = {
|
|
|
|
position = position,
|
|
|
|
euler_rotation = rotation
|
|
|
|
}
|
2022-05-12 05:46:20 -07:00
|
|
|
get_playerdata(player).bone_positions[bonename] = next(value) and value
|
2022-05-12 03:06:21 -07:00
|
|
|
end
|
|
|
|
|
|
|
|
local function nil_default(value, default)
|
|
|
|
if value == nil then return default end
|
|
|
|
return value
|
|
|
|
end
|
|
|
|
|
|
|
|
-- Forward declaration
|
|
|
|
local handle_player_animations
|
|
|
|
-- Raw PlayerRef methods
|
|
|
|
local set_bone_position, set_animation, set_local_animation
|
|
|
|
minetest.register_on_joinplayer(function(player)
|
2022-05-12 05:46:20 -07:00
|
|
|
get_playerdata(player) -- Initalizes playerdata if it isn't already initialized
|
2022-05-12 03:06:21 -07:00
|
|
|
if not set_bone_position then
|
|
|
|
local PlayerRef = getmetatable(player)
|
|
|
|
|
|
|
|
set_bone_position = PlayerRef.set_bone_position
|
|
|
|
function PlayerRef:set_bone_position(bonename, position, rotation)
|
|
|
|
if self:is_player() then
|
|
|
|
character_anim.set_bone_override(self, bonename or "",
|
|
|
|
position or {x = 0, y = 0, z = 0},
|
|
|
|
rotation or {x = 0, y = 0, z = 0})
|
|
|
|
end
|
|
|
|
return set_bone_position(self, bonename, position, rotation)
|
|
|
|
end
|
|
|
|
|
|
|
|
set_animation = PlayerRef.set_animation
|
|
|
|
function PlayerRef:set_animation(frame_range, frame_speed, frame_blend, frame_loop)
|
|
|
|
if not self:is_player() then
|
|
|
|
return set_animation(self, frame_range, frame_speed, frame_blend, frame_loop)
|
|
|
|
end
|
2022-05-12 05:46:20 -07:00
|
|
|
local player_animation = get_playerdata(self)
|
2022-05-12 03:06:21 -07:00
|
|
|
if not player_animation then
|
|
|
|
return
|
|
|
|
end
|
2022-05-12 04:04:05 -07:00
|
|
|
local prev_anim = player_animation.animation
|
|
|
|
local new_anim = {
|
2022-05-12 03:06:21 -07:00
|
|
|
nil_default(frame_range, {x = 1, y = 1}),
|
|
|
|
nil_default(frame_speed, 15),
|
|
|
|
nil_default(frame_blend, 0),
|
|
|
|
nil_default(frame_loop, true)
|
|
|
|
}
|
2022-05-12 04:04:05 -07:00
|
|
|
player_animation.animation = new_anim
|
|
|
|
if not prev_anim or (prev_anim[1].x ~= new_anim[1].x or prev_anim[1].y ~= new_anim[1].y) then
|
|
|
|
-- Reset animation only if the animation changed
|
|
|
|
player_animation.animation_time = 0
|
|
|
|
handle_player_animations(0, player)
|
|
|
|
elseif prev_anim[2] ~= new_anim[2] then
|
|
|
|
-- Adapt time to new speed
|
|
|
|
player_animation.animation_time = player_animation.animation_time * prev_anim[2] / new_anim[2]
|
|
|
|
end
|
2022-05-12 03:06:21 -07:00
|
|
|
end
|
|
|
|
local set_animation_frame_speed = PlayerRef.set_animation_frame_speed
|
|
|
|
function PlayerRef:set_animation_frame_speed(frame_speed)
|
|
|
|
if not self:is_player() then
|
|
|
|
return set_animation_frame_speed(self, frame_speed)
|
|
|
|
end
|
2022-05-12 04:04:05 -07:00
|
|
|
frame_speed = nil_default(frame_speed, 15)
|
2022-05-12 05:46:20 -07:00
|
|
|
local player_animation = get_playerdata(self)
|
2022-05-12 03:06:21 -07:00
|
|
|
if not player_animation then
|
|
|
|
return
|
|
|
|
end
|
2022-05-12 04:04:05 -07:00
|
|
|
local prev_speed = player_animation.animation[2]
|
2022-05-12 03:06:21 -07:00
|
|
|
player_animation.animation[2] = frame_speed
|
2022-05-12 04:04:05 -07:00
|
|
|
-- Adapt time to new speed
|
|
|
|
player_animation.animation_time = player_animation.animation_time * prev_speed / frame_speed
|
2022-05-12 03:06:21 -07:00
|
|
|
end
|
|
|
|
|
|
|
|
local get_animation = PlayerRef.get_animation
|
|
|
|
function PlayerRef:get_animation()
|
|
|
|
if not self:is_player() then
|
|
|
|
return get_animation(self)
|
|
|
|
end
|
2022-05-12 05:46:20 -07:00
|
|
|
local anim = get_playerdata(self).animation
|
2022-05-12 03:06:21 -07:00
|
|
|
if anim then
|
|
|
|
return unpack(anim, 1, 4)
|
|
|
|
end
|
|
|
|
return get_animation(self)
|
|
|
|
end
|
|
|
|
|
|
|
|
set_local_animation = PlayerRef.set_local_animation
|
|
|
|
function PlayerRef:set_local_animation(idle, walk, dig, walk_while_dig, frame_speed)
|
|
|
|
if not self:is_player() then return set_local_animation(self) end
|
|
|
|
frame_speed = frame_speed or 30
|
2022-05-12 05:46:20 -07:00
|
|
|
get_playerdata(self).local_animation = {idle, walk, dig, walk_while_dig, frame_speed}
|
2022-05-12 03:06:21 -07:00
|
|
|
end
|
|
|
|
local get_local_animation = PlayerRef.get_local_animation
|
|
|
|
function PlayerRef:get_local_animation()
|
|
|
|
if not self:is_player() then return get_local_animation(self) end
|
2022-05-12 05:46:20 -07:00
|
|
|
local local_anim = get_playerdata(self).local_animation
|
2022-05-12 03:06:21 -07:00
|
|
|
if local_anim then
|
|
|
|
return unpack(local_anim, 1, 5)
|
|
|
|
end
|
|
|
|
return get_local_animation(self)
|
|
|
|
end
|
|
|
|
end
|
|
|
|
|
|
|
|
-- Disable animation & local animation
|
|
|
|
local no_anim = {x = 0, y = 0}
|
|
|
|
set_animation(player, no_anim, 0, 0, false)
|
|
|
|
set_local_animation(player, no_anim, no_anim, no_anim, no_anim, 1)
|
|
|
|
end)
|
|
|
|
|
|
|
|
minetest.register_on_leaveplayer(function(player) players[player:get_player_name()] = nil end)
|
|
|
|
|
|
|
|
local function clamp(value, range)
|
|
|
|
if value > range.max then
|
|
|
|
return range.max
|
|
|
|
end
|
|
|
|
if value < range.min then
|
|
|
|
return range.min
|
|
|
|
end
|
|
|
|
return value
|
|
|
|
end
|
|
|
|
|
|
|
|
local function normalize_angle(angle)
|
|
|
|
return ((angle + 180) % 360) - 180
|
|
|
|
end
|
|
|
|
|
|
|
|
local function normalize_rotation(euler_rotation)
|
|
|
|
return vector.apply(euler_rotation, normalize_angle)
|
|
|
|
end
|
|
|
|
|
|
|
|
function handle_player_animations(dtime, player)
|
|
|
|
local mesh = player:get_properties().mesh
|
|
|
|
local model = models[mesh]
|
|
|
|
if not model then
|
|
|
|
return
|
|
|
|
end
|
|
|
|
local conf = character_anim.conf.models[mesh] or character_anim.conf.default
|
2022-05-12 05:46:20 -07:00
|
|
|
local player_animation = get_playerdata(player)
|
2022-05-12 03:06:21 -07:00
|
|
|
local anim = player_animation.animation
|
|
|
|
if not anim then
|
|
|
|
return
|
|
|
|
end
|
|
|
|
local range, frame_speed, _, frame_loop = unpack(anim, 1, 4)
|
|
|
|
local animation_time = player_animation.animation_time
|
|
|
|
animation_time = animation_time + dtime
|
|
|
|
player_animation.animation_time = animation_time
|
|
|
|
local range_min, range_max = range.x + 1, range.y + 1
|
|
|
|
local keyframe
|
|
|
|
if range_min == range_max then
|
|
|
|
keyframe = range_min
|
|
|
|
elseif frame_loop then
|
|
|
|
keyframe = range_min + ((animation_time * frame_speed) % (range_max - range_min))
|
|
|
|
else
|
|
|
|
keyframe = math.min(range_max, range_min + animation_time * frame_speed)
|
|
|
|
end
|
|
|
|
local bones = {}
|
|
|
|
for _, props in ipairs(model:get_animated_bone_properties(keyframe, true)) do
|
|
|
|
local bone = props.bone_name
|
|
|
|
local position, rotation = modlib.vector.to_minetest(props.position), props.rotation
|
2022-05-12 11:13:06 -07:00
|
|
|
-- Invert quaternion to match Minetest's coordinate system
|
|
|
|
rotation = {-rotation[1], -rotation[2], -rotation[3], rotation[4]}
|
2022-05-12 03:06:21 -07:00
|
|
|
local euler_rotation = quaternion.to_euler_rotation(rotation)
|
|
|
|
bones[bone] = {position = position, rotation = rotation, euler_rotation = euler_rotation}
|
|
|
|
end
|
2022-05-12 03:34:32 -07:00
|
|
|
assert(bones.Body and bones.Head and bones.Arm_Right, "Player model is missing Body, Head or Arm_Right bones")
|
2022-05-12 03:06:21 -07:00
|
|
|
local Body, Head, Arm_Right = bones.Body.euler_rotation, bones.Head.euler_rotation, bones.Arm_Right.euler_rotation
|
|
|
|
local look_vertical = -math.deg(player:get_look_vertical())
|
|
|
|
Head.x = look_vertical
|
|
|
|
local interacting = character_anim.is_interacting(player)
|
|
|
|
if interacting then
|
|
|
|
local interaction_time = player_animation.interaction_time
|
|
|
|
-- Note: +90 instead of +Arm_Right.x because it looks better
|
|
|
|
Arm_Right.x = 90 + look_vertical - math.sin(-interaction_time) * conf.arm_right.radius
|
|
|
|
Arm_Right.y = Arm_Right.y + math.cos(-interaction_time) * conf.arm_right.radius
|
|
|
|
player_animation.interaction_time = interaction_time + dtime * math.rad(conf.arm_right.speed)
|
|
|
|
else
|
|
|
|
player_animation.interaction_time = 0
|
|
|
|
end
|
|
|
|
local look_horizontal = get_look_horizontal(player)
|
|
|
|
local diff = look_horizontal - player_animation.look_horizontal
|
|
|
|
if math.abs(diff) > 180 then
|
|
|
|
diff = math.sign(-diff) * 360 + diff
|
|
|
|
end
|
|
|
|
local moving_diff = math.sign(diff) * math.abs(diff) * math.min(1, dtime / conf.body.turn_speed)
|
|
|
|
player_animation.look_horizontal = player_animation.look_horizontal + moving_diff
|
|
|
|
if math.abs(moving_diff) < 1e-6 then
|
|
|
|
player_animation.look_horizontal = look_horizontal
|
|
|
|
end
|
|
|
|
local lag_behind = diff - moving_diff
|
|
|
|
local attach_parent, _, _, attach_rotation = player:get_attach()
|
|
|
|
if attach_parent then
|
2022-05-14 02:55:10 -07:00
|
|
|
local parent_rotation
|
|
|
|
if attach_parent.get_rotation then
|
|
|
|
parent_rotation = attach_parent:get_rotation()
|
|
|
|
else -- 0.4.x doesn't have get_rotation(), only yaw
|
|
|
|
parent_rotation = {x = 0, y = attach_parent:get_yaw(), z = 0}
|
|
|
|
end
|
2022-05-12 03:06:21 -07:00
|
|
|
if attach_rotation and parent_rotation then
|
|
|
|
parent_rotation = vector.apply(parent_rotation, math.deg)
|
|
|
|
local total_rotation = normalize_rotation(vector.subtract(attach_rotation, parent_rotation))
|
|
|
|
local function rotate_relative(euler_rotation)
|
2022-05-12 03:10:32 -07:00
|
|
|
euler_rotation.y = euler_rotation.y + look_horizontal
|
2022-05-12 03:06:21 -07:00
|
|
|
local new_rotation = normalize_rotation(vector.subtract(euler_rotation, total_rotation))
|
|
|
|
modlib.table.add_all(euler_rotation, new_rotation)
|
|
|
|
end
|
|
|
|
|
|
|
|
rotate_relative(Head)
|
|
|
|
if interacting then rotate_relative(Arm_Right) end
|
|
|
|
end
|
2022-05-12 05:46:20 -07:00
|
|
|
elseif not modlib.table.nilget(rawget(_G, "player_api"), "player_attached", player:get_player_name()) then
|
2022-05-12 03:06:21 -07:00
|
|
|
Body.y = Body.y - lag_behind
|
|
|
|
Head.y = Head.y + lag_behind
|
|
|
|
if interacting then Arm_Right.y = Arm_Right.y + lag_behind end
|
|
|
|
end
|
|
|
|
|
|
|
|
-- HACK assumes that Body is root & parent bone of Head, only takes rotation around X-axis into consideration
|
|
|
|
Head.x = normalize_angle(Head.x + Body.x)
|
|
|
|
if interacting then Arm_Right.x = normalize_angle(Arm_Right.x - Body.x) end
|
|
|
|
|
|
|
|
Head.x = clamp(Head.x, conf.head.pitch)
|
|
|
|
Head.y = clamp(Head.y, conf.head.yaw)
|
|
|
|
if math.abs(Head.y) > conf.head.yaw_restriction then
|
|
|
|
Head.x = clamp(Head.x, conf.head.yaw_restricted)
|
|
|
|
end
|
|
|
|
Arm_Right.y = clamp(Arm_Right.y, conf.arm_right.yaw)
|
|
|
|
|
|
|
|
-- Replace animation with serverside bone animation
|
|
|
|
for bone, values in pairs(bones) do
|
|
|
|
local overridden_values = player_animation.bone_positions[bone]
|
|
|
|
overridden_values = overridden_values or {}
|
|
|
|
set_bone_position(player, bone,
|
|
|
|
overridden_values.position or values.position,
|
|
|
|
overridden_values.euler_rotation or values.euler_rotation)
|
|
|
|
end
|
|
|
|
end
|
|
|
|
|
|
|
|
minetest.register_globalstep(function(dtime)
|
|
|
|
for _, player in pairs(minetest.get_connected_players()) do
|
|
|
|
handle_player_animations(dtime, player)
|
|
|
|
end
|
2022-05-12 05:21:05 -07:00
|
|
|
end)
|