Merge pull request 'Add in head code elements (disabled for now)' (#1659) from jordan4ibanez/MineClone2:mineclone5 into mineclone5

Reviewed-on: MineClone2/MineClone2#1659

mods/ENTITIES/mcl_mobs/api/api.lua

@@ -368,9 +368,40 @@ function mobs:register_mob(name, def)
 
 
 		--head code variables
+		--defaults are for the cow's default
+		--because I don't know what else to set them
+		--to :P
+
 		has_head = def.has_head or false,
 		head_bone = def.head_bone,
 
+		--you must use these to adjust the mob's head positions
+
+		--has_head is used as a logic gate (quick easy check)
+		has_head = def.has_head or false,
+		--head_bone is the actual bone in the model which the head
+		--is attached to for animation
+		head_bone = def.head_bone or "head",
+
+		--this part controls the base position of the head calculations
+		--localized to the mob's visual yaw when gotten (self.object:get_yaw())
+		--you can enable the debug in /mob_functions/head_logic.lua by uncommenting the
+		--particle spawner code
+		head_height_offset =  def.head_height_offset or 1.0525,
+		head_direction_offset = def.head_direction_offset or 0.5,
+
+		--this part controls the visual of the head
+		head_bone_pos_y = def.head_bone_pos_y or 3.6,
+		head_bone_pos_z = def.head_bone_pos_z or -0.6,
+		head_pitch_modifier = def.head_pitch_modifier or 0,
+
+		--these variables are switches in case the model
+		--moves the wrong way
+		swap_y_with_x = def.swap_y_with_x or false,
+		reverse_head_yaw = def.reverse_head_yaw or false,
+
+		--END HEAD CODE VARIABLES
+
 		--end j4i stuff
 
 		-- MCL2 extensions

mods/ENTITIES/mcl_mobs/api/mob_functions/ai.lua

@@ -832,8 +832,11 @@ mobs.mob_step = function(self, dtime)
 
 
 	--DEBUG TIME!
+	--REMEMBER TO MOVE THIS AFTER DEATH CHECK
 
-	--mobs.do_head_logic(self,dtime)
+	--if self.has_head then
+	--	mobs.do_head_logic(self,dtime)
+	--end
 
 
 
@@ -855,9 +858,6 @@ mobs.mob_step = function(self, dtime)
 		end
 	end
 
-	--make it so mobs do not glitch out when walking around/jumping
-	mobs.swap_auto_step_height_adjust(self)
-
 	--color modifier which coincides with the pause_timer
 	if self.old_health and self.health < self.old_health then		
 		self.object:set_texture_mod("^[colorize:red:120")
@@ -895,9 +895,6 @@ mobs.mob_step = function(self, dtime)
 
 	mobs.random_sound_handling(self,dtime)
 
-	
-
-
 	--mobs drowning mechanic
 	if not self.breathes_in_water then
 
@@ -1112,6 +1109,9 @@ mobs.mob_step = function(self, dtime)
 		return false
 	end
 
+	--make it so mobs do not glitch out when walking around/jumping
+	mobs.swap_auto_step_height_adjust(self)
+
 
 	-- can mob be pushed, if so calculate direction -- do this last (overrides everything)
 	if self.pushable then

mods/ENTITIES/mcl_mobs/api/mob_functions/head_logic.lua

@@ -1,12 +1,56 @@
 local vector_new = vector.new
 
+
+--converts yaw to degrees
+local degrees = function(yaw)
+	return(yaw*180.0/math.pi)
+end
+
+
 mobs.do_head_logic = function(self,dtime)
 
-    --local yaw = self.object:get_yaw()
+    local player = minetest.get_player_by_name("singleplayer")
+
+    local look_at = player:get_pos()
+    look_at.y = look_at.y + player:get_properties().eye_height
 
 
 
-    --local bone_pos = vector_new(0,5,0)
+
+    local pos = self.object:get_pos()
+
+    local body_yaw = self.object:get_yaw()
+
+    local body_dir = minetest.yaw_to_dir(body_yaw)
+
+
+    pos.y = pos.y + self.head_height_offset
+
+    local head_offset = vector.multiply(body_dir, self.head_direction_offset)
+
+    pos = vector.add(pos, head_offset)
+
+
+
+
+    minetest.add_particle({
+    	pos = pos,
+    	velocity = {x=0, y=0, z=0},
+    	acceleration = {x=0, y=0, z=0},
+    	expirationtime = 0.2,
+    	size = 1,
+    	texture = "default_dirt.png",
+    })
+
+
+    local bone_pos = vector_new(0,0,0)
+
+
+    --(horizontal)
+    bone_pos.y = self.head_bone_pos_y
+
+    --(vertical)
+    bone_pos.z = self.head_bone_pos_z
 
     --print(yaw)
 
@@ -15,8 +59,53 @@ mobs.do_head_logic = function(self,dtime)
     --bone_rot.x = bone_rot.x + (dtime * 10)
     --bone_rot.z = bone_rot.z + (dtime * 10)
 
-    --self.object:set_bone_position("head", bone_pos, bone_rot)
 
+    local head_yaw 
+    head_yaw = minetest.dir_to_yaw(vector.direction(pos,look_at)) - body_yaw
+
+    if self.reverse_head_yaw then
+        head_yaw = head_yaw * -1
+    end
+
+    --over rotation protection
+    --stops radians from going out of spec
+    if head_yaw > math.pi then
+        head_yaw = head_yaw - (math.pi * 2)
+    elseif head_yaw < -math.pi then
+        head_yaw = head_yaw + (math.pi * 2)
+    end
+
+
+    local check_failed = false
+    --upper check + 90 degrees or upper math.radians (3.14/2)
+    if head_yaw > math.pi - (math.pi/2) then
+        head_yaw = 0
+        check_failed = true
+    --lower check - 90 degrees or lower negative math.radians (-3.14/2)
+    elseif head_yaw < -math.pi + (math.pi/2) then
+        head_yaw = 0
+        check_failed = true
+    end
+
+    local head_pitch = 0
+
+    --DEBUG DEBUG DEBUG DEBUG DEBUG DEBUG DEBUG DEBUG DEBUG DEBUG DEBUG DEBUG DEBUG DEBUG DEBUG DEBUG DEBUG 
+    --head_yaw = 0
+    --DEBUG DEBUG DEBUG DEBUG DEBUG DEBUG DEBUG DEBUG DEBUG DEBUG DEBUG DEBUG DEBUG DEBUG DEBUG DEBUG DEBUG 
+
+    if not check_failed then
+        head_pitch = minetest.dir_to_yaw(vector.new(vector.distance(vector.new(pos.x,0,pos.z),vector.new(look_at.x,0,look_at.z)),0,pos.y-look_at.y))+(math.pi/2)
+    end
+
+    if self.head_pitch_modifier then
+        head_pitch = head_pitch + self.head_pitch_modifier
+    end
+
+    if self.swap_y_with_x then
+        self.object:set_bone_position(self.head_bone, bone_pos, vector_new(degrees(head_pitch),degrees(head_yaw),0))
+    else
+        self.object:set_bone_position(self.head_bone, bone_pos, vector_new(degrees(head_pitch),0,degrees(head_yaw)))
+    end
 
 
     --set_bone_position([bone, position, rotation])

mods/ENTITIES/mobs_mc/chicken.lua

@@ -110,6 +110,21 @@ mobs:register_mob("mobs_mc:chicken", {
 		}, true)
 	end,
 
+	--head code
+	has_head = true,
+	head_bone = "head",
+
+	swap_y_with_x = false,
+	reverse_head_yaw = false,
+
+	head_bone_pos_y = 1.675,
+	head_bone_pos_z = 0,
+
+	head_height_offset = 0.55,
+	head_direction_offset = 0.0925,
+
+	head_pitch_modifier = -math.pi/2,
+	--end head code
 })
 
 --spawn

mods/ENTITIES/mobs_mc/cow+mooshroom.lua

@@ -84,6 +84,21 @@ local cow_def = {
 	follow = mobs_mc.items.wheat,
 	view_range = 10,
 	fear_height = 4,
+
+	--head code
+	has_head = true,
+	head_bone = "head",
+	
+	swap_y_with_x = false,
+	reverse_head_yaw = false,
+
+	head_bone_pos_y = 3.6,
+	head_bone_pos_z = -0.6,
+
+	head_height_offset = 1.0525,
+	head_direction_offset = 0.5,
+	head_pitch_modifier = 0,
+	--end head code
 }
 
 mobs:register_mob("mobs_mc:cow", cow_def)

mods/ENTITIES/mobs_mc/creeper.lua

@@ -53,6 +53,21 @@ mobs:register_mob("mobs_mc:creeper", {
 	allow_fuse_reset = true,
 	stop_to_explode = true,
 
+	--head code
+	has_head = true,
+	head_bone = "head",
+
+	swap_y_with_x = true,
+	reverse_head_yaw = true,
+
+	head_bone_pos_y = 2.4,
+	head_bone_pos_z = 0,
+
+	head_height_offset = 1.1,
+	head_direction_offset = 0,
+	head_pitch_modifier = 0,
+	--end head code
+
 	-- Force-ignite creeper with flint and steel and explode after 1.5 seconds.
 	-- TODO: Make creeper flash after doing this as well.
 	-- TODO: Test and debug this code.

mods/ENTITIES/mobs_mc/enderman.lua

@@ -224,6 +224,22 @@ mobs:register_mob("mobs_mc:enderman", {
 		max = 1,
 		looting = "common"},
 	},
+
+	--head code
+	has_head = false,
+	head_bone = "head.low",
+
+	swap_y_with_x = false,
+	reverse_head_yaw = false,
+
+	head_bone_pos_y = 2.4,
+	head_bone_pos_z = 0,
+
+	head_height_offset = 1.1,
+	head_direction_offset = 0,
+	head_pitch_modifier = 0,
+	--end head code
+
 	animation = select_enderman_animation("normal"),
 	_taken_node = "",
 	do_custom = function(self, dtime)

mods/ENTITIES/mobs_mc/pig.lua

@@ -19,6 +19,22 @@ mobs:register_mob("mobs_mc:pig", {
 		"mobs_mc_pig.png", -- base
 		"blank.png", -- saddle
 	}},
+
+	--head code
+	has_head = true,
+	head_bone = "head",
+
+	swap_y_with_x = false,
+	reverse_head_yaw = false,
+
+	head_bone_pos_y = 2.4,
+	head_bone_pos_z = 0,
+
+	head_height_offset = 1.1,
+	head_direction_offset = 0,
+	head_pitch_modifier = 0,
+	--end head code
+
 	visual_size = {x=2.5, y=2.5},
 	makes_footstep_sound = true,
 	walk_velocity = 1,

mods/ENTITIES/mobs_mc/sheep.lua

@@ -78,6 +78,22 @@ mobs:register_mob("mobs_mc:sheep", {
 	makes_footstep_sound = true,
 	walk_velocity = 1,
 	run_velocity = 3,
+	
+	--head code
+	has_head = true,
+	head_bone = "head",
+	
+	swap_y_with_x = false,
+	reverse_head_yaw = false,
+
+	head_bone_pos_y = 3.6,
+	head_bone_pos_z = -0.6,
+
+	head_height_offset = 1.0525,
+	head_direction_offset = 0.5,
+	head_pitch_modifier = 0,
+	--end head code
+
 	drops = {
 		{name = mobs_mc.items.mutton_raw,
 		chance = 1,

mods/ENTITIES/mobs_mc/skeleton+stray.lua

@@ -34,6 +34,22 @@ local skeleton = {
 		"mcl_bows_bow_0.png", -- bow
 		"mobs_mc_skeleton.png", -- skeleton
 	} },
+
+	--head code
+	has_head = false,
+	head_bone = "head",
+
+	swap_y_with_x = true,
+	reverse_head_yaw = true,
+
+	head_bone_pos_y = 2.4,
+	head_bone_pos_z = 0,
+
+	head_height_offset = 1.1,
+	head_direction_offset = 0,
+	head_pitch_modifier = 0,
+	--end head code
+
 	visual_size = {x=1, y=1},
 	makes_footstep_sound = true,
 	textures = {

mods/ENTITIES/mobs_mc/wolf.lua

@@ -30,6 +30,22 @@ local wolf = {
 	rotate = 270,
 	passive = false,
 	group_attack = true,
+
+	--head code
+	has_head = false,
+	head_bone = "head",
+	
+	swap_y_with_x = false,
+	reverse_head_yaw = false,
+
+	head_bone_pos_y = 3.6,
+	head_bone_pos_z = -0.6,
+
+	head_height_offset = 1.0525,
+	head_direction_offset = 0.5,
+	head_pitch_modifier = 0,
+	--end head code
+
 	collisionbox = {-0.3, -0.00, -0.3, 0.3, 0.85, 0.3},
 	visual = "mesh",
 	mesh = "mobs_mc_wolf.b3d",

mods/ENTITIES/mobs_mc/zombie.lua

@@ -75,6 +75,22 @@ local zombie = {
 		damage = "mobs_mc_zombie_hurt",
 		distance = 16,
 	},
+
+	--head code
+	has_head = false,
+	head_bone = "Head",
+
+	swap_y_with_x = true,
+	reverse_head_yaw = true,
+
+	head_bone_pos_y = 2.4,
+	head_bone_pos_z = 0,
+
+	head_height_offset = 1.1,
+	head_direction_offset = 0,
+	head_pitch_modifier = 0,
+	--end head code
+
 	eye_height = 1.65,
 	walk_velocity = 1,
 	run_velocity = 3.5,

mods/ENTITIES/mobs_mc/zombiepig.lua

@@ -43,6 +43,22 @@ local pigman = {
 		damage = "mobs_mc_zombiepig_hurt",
 		distance = 16,
 	},
+
+	--head code
+	has_head = false,
+	head_bone = "head",
+
+	swap_y_with_x = true,
+	reverse_head_yaw = true,
+
+	head_bone_pos_y = 2.4,
+	head_bone_pos_z = 0,
+
+	head_height_offset = 1.1,
+	head_direction_offset = 0,
+	head_pitch_modifier = 0,
+	--end head code
+
 	jump = true,
 	makes_footstep_sound = true,
 	walk_velocity = .8,

mods/PLAYER/mcl_playerplus/init.lua

@@ -168,11 +168,13 @@ minetest.register_globalstep(function(dtime)
 
 		local c_x, c_y = unpack(player_collision(player))
 
+		--[[
 		if player_velocity.x + player_velocity.y < .5 and c_x + c_y > 0 then
 			local add_velocity = player.add_player_velocity or player.add_velocity
 			add_velocity(player, {x = c_x, y = 0, z = c_y})
 			player_velocity = player:get_velocity() or player:get_player_velocity()
 		end
+		]]--
 
 		-- control head bone
 		local pitch = - degrees(player:get_look_vertical())