Get player walking and standing animations working! The player will play the proper animation when walking or standing.

Also get the mine animation working when holding the left mouse button. Walk animations have priority over it, and sadly you can't play both at the same time

Set initial player animation to stand

mods/default/player.lua

@@ -8,12 +8,23 @@ animation_speed = 30
 animation_blend = 0
 
 -- Default player appearance
-player_model = "character.x"
+default_model = "character.x"
-player_texture = "character.png"
+default_texture = "character.png"
+
+-- Player states
+local player_model = {}
+local player_anim = {}
+local ANIM_STAND = 0
+local ANIM_WALK_FORWARD = 1
+local ANIM_WALK_BACKWARD = 2
+local ANIM_WALK_LEFT = 3
+local ANIM_WALK_RIGHT = 4
+local ANIM_MINE = 5
+local ANIM_DEATH = 6
 
 -- Frame ranges for each player model
 function player_get_animations(model)
-	if(model == "character.x") then
+	if model == "character.x" then
 		return {
 		stand_START = 0,
 		stand_END = 79,
@@ -35,36 +46,59 @@ end
 
 -- Called whenever a player's appearance needs to be updated
 function player_update_visuals(player)
+	player_model[player:get_player_name()] = default_model
+	player_anim[player:get_player_name()] = ANIM_STAND
+
+	local name = player:get_player_name()
+	local anim = player_get_animations(player_model[name])
 	prop = {
-		mesh = player_model,
+		mesh = default_model,
-		textures = {player_texture, },
+		textures = {default_texture, },
 		visual = "mesh",
 		visual_size = {x=1, y=1},
 	}
 	player:set_properties(prop)
-
+	player:set_animation({x=anim.stand_START, y=anim.stand_END}, animation_speed, animation_blend) -- initial animation
-	local anim = player_get_animations(player_model)
-	player:set_animation({x=anim.stand_START, y=anim.stand_END}, animation_speed, animation_blend)
 end
 
 -- Update appearance when the player joins
 minetest.register_on_joinplayer(player_update_visuals)
 
--- Player states, used to know when to change animations
-local player_anim = {}
-local ANIM_STAND = 1
-local ANIM_WALK_FORWARD = 2
-local ANIM_WALK_BACKWARD = 3
-local ANIM_WALK_LEFT = 4
-local ANIM_WALK_RIGHT = 5
-local ANIM_MINE = 6
-local ANIM_DEATH = 7
-
 -- Global environment step function
 function on_step(dtime)
-	for _, obj in pairs(minetest.get_connected_players()) do
+	for _, pl in pairs(minetest.get_connected_players()) do
-		if(player_anim[obj:get_player_name()] == 0) then
+		local name = pl:get_player_name()
-			print("on_step")
+		local anim = player_get_animations(player_model[name])
+		local controls = pl:get_player_control()
+
+		if controls.up then
+			if player_anim[name] ~= ANIM_WALK_FORWARD then
+				pl:set_animation({x=anim.walk_forward_START, y=anim.walk_forward_END}, animation_speed, animation_blend)
+				player_anim[name] = ANIM_WALK_FORWARD
+			end
+		elseif controls.down then
+			if player_anim[name] ~= ANIM_WALK_BACKWARD then
+				pl:set_animation({x=anim.walk_backward_START, y=anim.walk_backward_END}, animation_speed, animation_blend)
+				player_anim[name] = ANIM_WALK_BACKWARD
+			end
+		elseif controls.left then
+			if player_anim[name] ~= ANIM_WALK_LEFT then
+				pl:set_animation({x=anim.walk_left_START, y=anim.walk_left_END}, animation_speed, animation_blend)
+				player_anim[name] = ANIM_WALK_LEFT
+			end
+		elseif controls.right then
+			if player_anim[name] ~= ANIM_WALK_RIGHT then
+				pl:set_animation({x=anim.walk_right_START, y=anim.walk_right_END}, animation_speed, animation_blend)
+				player_anim[name] = ANIM_WALK_RIGHT
+			end
+		elseif controls.LMB then
+			if player_anim[name] ~= ANIM_MINE then
+				pl:set_animation({x=anim.mine_START, y=anim.mine_END}, animation_speed, animation_blend)
+				player_anim[name] = ANIM_MINE
+			end
+		elseif player_anim[name] ~= ANIM_WALK_STAND then
+			pl:set_animation({x=anim.stand_START, y=anim.stand_END}, animation_speed, animation_blend)
+			player_anim[name] = ANIM_WALK_STAND
 		end
 	end
 end