Merge pull request 'Fix llama blaze and ghast projectile sprites' (#1619) from jordan4ibanez/MineClone2:mineclone5 into mineclone5

Reviewed-on: https://git.minetest.land/MineClone2/MineClone2/pulls/1619

mods/ENTITIES/mcl_mobs/api/api.lua

@@ -50,6 +50,7 @@ local vector_length = vector.length
 local vector_direction = vector.direction
 local vector_normalize = vector.normalize
 local vector_multiply = vector.multiply
+local vector_divide  = vector.divide
 
 -- mob constants
 local MAX_MOB_NAME_LENGTH = 30
@@ -490,7 +491,10 @@ function mobs:register_arrow(name, def)
 			and def.tail_texture then
 
 				--do this to prevent clipping through main entity sprite
-				local new_pos = vector_add(pos, vector_multiply(vector_normalize(vel), -1))
+				local pos_adjustment = vector_multiply(vector_normalize(vel), -1)
+				local divider = def.tail_distance_divider or 1
+				pos_adjustment = vector_divide(pos_adjustment, divider)
+				local new_pos = vector_add(pos, pos_adjustment)
 				minetest.add_particle({
 					pos = new_pos,
 					velocity = {x = 0, y = 0, z = 0},

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

@@ -1,6 +1,6 @@
 local GRAVITY             = minetest.settings:get("movement_gravity")-- + 9.81
 
-mobs.shoot_projectile_handling = function(arrow_item, pos, dir, yaw, shooter, power, damage, is_critical, bow_stack, collectable)
+mobs.shoot_projectile_handling = function(arrow_item, pos, dir, yaw, shooter, power, damage, is_critical, bow_stack, collectable, gravity)
 	local obj = minetest.add_entity({x=pos.x,y=pos.y,z=pos.z}, arrow_item.."_entity")
 	if power == nil then
 		power = 19
@@ -8,6 +8,9 @@ mobs.shoot_projectile_handling = function(arrow_item, pos, dir, yaw, shooter, po
 	if damage == nil then
 		damage = 3
 	end
+
+    gravity = gravity or -GRAVITY
+
 	local knockback
 	if bow_stack then
 		local enchantments = mcl_enchanting.get_enchantments(bow_stack)
@@ -22,7 +25,7 @@ mobs.shoot_projectile_handling = function(arrow_item, pos, dir, yaw, shooter, po
 		end
 	end
 	obj:set_velocity({x=dir.x*power, y=dir.y*power, z=dir.z*power})
-	obj:set_acceleration({x=0, y=-GRAVITY, z=0})
+	obj:set_acceleration({x=0, y=gravity, z=0})
 	obj:set_yaw(yaw-math.pi/2)
 	local le = obj:get_luaentity()
 	le._shooter = shooter

mods/ENTITIES/mobs_mc/blaze.lua

@@ -79,15 +79,17 @@ mobs:register_mob("mobs_mc:blaze", {
 	glow = 14,
 	fire_resistant = true,
 	eye_height = 0.75,
+	projectile_cooldown_min = 2,
+	projectile_cooldown_max = 3,
 	shoot_arrow = function(self, pos, dir)
 		-- 2-4 damage per arrow
 		local dmg = math.random(2,4)
-		mobs.shoot_projectile_handling("mobs_mc:blaze_fireball", pos, dir, self.object:get_yaw(), self.object, nil, dmg)		
+		mobs.shoot_projectile_handling("mobs_mc:blaze_fireball", pos, dir, self.object:get_yaw(), self.object, 7, dmg,nil,nil,nil,-0.4)		
 	end,
 
 	do_custom = function(self)
-		if self.state == "attack" and vector.distance(self.object:get_pos(), self.attack:get_pos()) < 1.2 then
-			mcl_burning.set_on_fire(self.attack, 5)
+		if self.attacking and self.state == "attack" and vector.distance(self.object:get_pos(), self.attacking:get_pos()) < 1.2 then
+			mcl_burning.set_on_fire(self.attacking, 5)
 		end
 		local pos = self.object:get_pos()
 		minetest.add_particle({
@@ -158,6 +160,10 @@ mobs:register_arrow("mobs_mc:blaze_fireball", {
 	textures = {"mcl_fire_fire_charge.png"},
 	velocity = 15,
 	speed = 5,
+	tail = 1,
+	tail_texture = "mobs_mc_spit.png^[colorize:black:255", --repurpose spit texture
+	tail_size = 2,
+	tail_distance_divider = 3,
 
 	-- Direct hit, no fire... just plenty of pain
 	hit_player = function(self, player)
@@ -167,7 +173,7 @@ mobs:register_arrow("mobs_mc:blaze_fireball", {
 		mcl_burning.set_on_fire(player, 5, "blaze")
 		player:punch(self.object, 1.0, {
 			full_punch_interval = 1.0,
-			damage_groups = {fleshy = 5},
+			damage_groups = {fleshy = self._damage},
 		}, nil)
 	end,
 
@@ -175,7 +181,7 @@ mobs:register_arrow("mobs_mc:blaze_fireball", {
 		mcl_burning.set_on_fire(mob, 5)
 		mob:punch(self.object, 1.0, {
 			full_punch_interval = 1.0,
-			damage_groups = {fleshy = 5},
+			damage_groups = {fleshy = self._damage},
 		}, nil)
 	end,
 

mods/ENTITIES/mobs_mc/ghast.lua

@@ -56,15 +56,17 @@ mobs:register_mob("mobs_mc:ghast", {
 	fall_damage = 0,
 	view_range = 28,
 	attack_type = "projectile",
-	arrow = "mobs_mc:fireball",
+	arrow = "mobs_mc:ghast_fireball",
 	floats=1,
 	fly = true,
 	makes_footstep_sound = false,
 	fire_resistant = true,
+	projectile_cooldown_min = 5,
+	projectile_cooldown_max = 7,
 	shoot_arrow = function(self, pos, dir)
 		-- 2-4 damage per arrow
 		local dmg = math.random(2,4)
-		mobs.shoot_projectile_handling("mobs_mc:fireball", pos, dir, self.object:get_yaw(), self.object, nil, dmg)		
+		mobs.shoot_projectile_handling("mobs_mc:ghast_fireball", pos, dir, self.object:get_yaw(), self.object, 11, dmg,nil,nil,nil,-0.6)		
 	end,
 	--[[
 	do_custom = function(self)
@@ -96,12 +98,15 @@ mobs_mc.spawn_height.nether_min,
 mobs_mc.spawn_height.nether_max)
 
 -- fireball (projectile)
-mobs:register_arrow("mobs_mc:fireball", {
+mobs:register_arrow("mobs_mc:ghast_fireball", {
 	visual = "sprite",
 	visual_size = {x = 1, y = 1},
 	textures = {"mcl_fire_fire_charge.png"},
 	velocity = 15,
 	collisionbox = {-.5, -.5, -.5, .5, .5, .5},
+	tail = 1,
+	tail_texture = "mobs_mc_spit.png^[colorize:black:255", --repurpose spit texture
+	tail_size = 5,
 
 	hit_player = function(self, player)
 		if rawget(_G, "armor") and armor.last_damage_types then
@@ -114,21 +119,21 @@ mobs:register_arrow("mobs_mc:fireball", {
 		}, nil)
 		]]--
 		--mobs:boom(self, self.object:get_pos(), 1, true)
-		mcl_explosions.explode(self.object:get_pos(), 1,{ drop_chance = 1.0 })
+		mcl_explosions.explode(self.object:get_pos(), 3,{ drop_chance = 1.0 })
 	end,
 
 	hit_mob = function(self, mob)
 		mob:punch(self.object, 1.0, {
 			full_punch_interval = 1.0,
-			damage_groups = {fleshy = 6},
+			damage_groups = {fleshy = self._damage},
 		}, nil)
 		--mobs:boom(self, self.object:get_pos(), 1, true)
-		mcl_explosions.explode(self.object:get_pos(), 1,{ drop_chance = 1.0 })
+		mcl_explosions.explode(self.object:get_pos(), 3,{ drop_chance = 1.0 })
 	end,
 
 	hit_node = function(self, pos, node)
 		--mobs:boom(self, pos, 1, true)
-		mcl_explosions.explode(self.object:get_pos(), 1,{ drop_chance = 1.0 })
+		mcl_explosions.explode(self.object:get_pos(), 3,{ drop_chance = 1.0 })
 	end
 })
 

mods/ENTITIES/mobs_mc/llama.lua

@@ -257,6 +257,7 @@ mobs:register_arrow("mobs_mc:spit", {
 	tail = 1,
 	tail_texture = "mobs_mc_spit.png",
 	tail_size = 2,
+	tail_distance_divider = 4,
 
 	hit_player = function(self, player)
 		if rawget(_G, "armor") and armor.last_damage_types then