update base:player_animator and core:mob components

res/content/base/scripts/components/player_animator.lua

@@ -1,11 +1,10 @@
 local tsf = entity.transform
 local body = entity.rigidbody
 local rig = entity.skeleton
+local mob = entity:require_component("core:mob")
 
 local itemid = 0
-local headIndex = rig:index("head")
 local itemIndex = rig:index("item")
-local bodyIndex = rig:index("body")
 
 local function refresh_model(id)
     itemid = id
@@ -19,9 +18,10 @@ function on_render()
         return
     end
 
-    local rx, ry, rz = player.get_rot(pid, pid ~= hud.get_player())
-    rig:set_matrix(headIndex, mat4.rotate({1, 0, 0}, ry))
-    rig:set_matrix(bodyIndex, mat4.rotate({0, 1, 0}, rx))
+    local rx, _, _ = player.get_rot(pid, pid ~= hud.get_player())
+
+    local dir = vec2.rotate({0, -1}, -rx)
+    mob.set_dir({dir[1], 0, dir[2]})
 
     local invid, slotid = player.get_inventory(pid)
     local id, _ = inventory.get(invid, slotid)

res/scripts/components/mob.lua

@@ -26,8 +26,7 @@ def_prop("crouch_speed_mul", 0.35)
 def_prop("flight_speed_mul", 4.0)
 def_prop("gravity_scale", 1.0)
 
-direction = {0, 0, -1}
-
+local dir = {0, 0, -1}
 local flight = false
 
 function jump(multiplier)
@@ -85,25 +84,24 @@ function go(dir, speed_multiplier, sprint, crouch, vel)
     move_horizontal(speed, dir, vel)
 end
 
-local prev_angle = 0.0
 local headIndex = rig:index("head")
 
 -- todo: move somewhere
-local watchtimer = math.random(0, 1000)
-local function update_head()
-    watchtimer = watchtimer + 1
-
+local function update_head(point)
     local pos = tsf:get_pos()
-    local viewdir = vec3.normalize(vec3.sub({player.get_pos(hud.get_player())}, pos))
-    local isfront = vec3.dot(viewdir, direction) > 0.0
+    local viewdir = vec3.normalize(vec3.sub(point, pos))
+
+    local dot = vec3.dot(viewdir, dir)
+    if dot > 0.0 then
+        dir[1] = dir[1] * 0.8 + viewdir[1] * 0.2
+        dir[3] = dir[3] * 0.8 + viewdir[3] * 0.2
+    else
+        viewdir = mat4.mul(tsf:get_rot(), {0, 0, -1})
+    end
 
     local headrot = mat4.idt()
     local curdir = mat4.mul(mat4.mul(tsf:get_rot(), rig:get_matrix(headIndex)), {0, 0, -1})
 
-    if not isfront or not (watchtimer % 300 < 100) then
-        viewdir = mat4.mul(tsf:get_rot(), {0, 0, -1})
-    end
-
     vec3.mix(curdir, viewdir, 0.2, viewdir)
 
     headrot = mat4.inverse(mat4.look_at({0,0,0}, viewdir, {0, 1, 0}))
@@ -111,7 +109,7 @@ local function update_head()
     rig:set_matrix(headIndex, headrot)
 end
 
-local function follow_waypoints(pathfinding, delta)
+function follow_waypoints(pathfinding)
     local pos = tsf:get_pos()
     local waypoint = pathfinding.next_waypoint()
     if not waypoint then
@@ -119,40 +117,76 @@ local function follow_waypoints(pathfinding, delta)
     end
     local speed = props.movement_speed
     local vel = body:get_vel()
-    direction = vec3.sub(
+    dir = vec3.sub(
         vec3.add(waypoint, {0.5, 0, 0.5}),
         {pos[1], math.floor(pos[2]), pos[3]}
     )
-    local upper = direction[2] > 0
-    direction[2] = 0.0
-    local t = delta * 6.0
-    local angle = (vec2.angle({direction[3], direction[1]}) + 180) * t + prev_angle * (1 - t)
-    tsf:set_rot(mat4.rotate({0, 1, 0}, angle))
-    prev_angle = angle
-    vec3.normalize(direction, direction)
-    move_horizontal(speed, direction, vel)
+    local upper = dir[2] > 0
+    dir[2] = 0.0
+    vec3.normalize(dir, dir)
+    move_horizontal(speed, dir, vel)
     if upper and body:is_grounded() then
         jump(1.0)
     end
 end
 
+function set_dir(new_dir)
+    dir = new_dir
+end
+
 function is_flight() return flight end
 
 function set_flight(flag) flight = flag end
 
+local prev_angle = 0.0
+
+local function normalize_angle(angle)
+    while angle > 180 do
+        angle = angle - 360
+    end
+    while angle <= -180 do
+        angle = angle + 360
+    end
+    return angle
+end
+
+local function angle_delta(a, b)
+    return normalize_angle(a - b)
+end
+
 function on_physics_update(tps)
     local delta = (1.0 / tps)
 
-    update_head()
-    local pathfinding = entity:get_component("core:pathfinding")
-    if pathfinding then
-        follow_waypoints(pathfinding, delta)
-    end
-
     local grounded = body:is_grounded()
     body:set_vdamping(flight)
     body:set_gravity_scale({0, flight and 0.0 or props.gravity_scale, 0})
     body:set_linear_damping(
         (flight or not grounded) and props.air_damping or props.ground_damping
     )
+
+    local new_angle = (vec2.angle({dir[3], dir[1]})) % 360
+    local angle = prev_angle
+
+    local adelta = angle_delta(
+        normalize_angle(new_angle),
+        normalize_angle(prev_angle)
+    )
+    local rotate_speed = entity:get_player() == -1 and 200 or 400
+
+    if math.abs(adelta) > 5 then
+        if adelta > 0 then
+            angle = angle + delta * rotate_speed
+        else
+            angle = angle - delta * rotate_speed
+        end
+    end
+    tsf:set_rot(mat4.rotate({0, 1, 0}, angle + 180))
+    prev_angle = angle
+
+    if entity:get_player() == -1 then
+        update_head({player.get_pos(hud.get_player())})
+    else
+        local cam = cameras.get("core:first-person")
+        update_head(vec3.add({player.get_pos(entity:get_player())}, cam:get_front()))
+    end
 end