Fix sheared Sheep texture, Improve behaviors, Improve mapgen spawning

api/behaviors.lua

@@ -712,24 +712,11 @@ end)
 creatura.register_utility("animalia:boid_wander", function(self, group)
     local idle_time = 3
     local move_probability = 5
-    local group_tick = 0
+    local group_tick = 1
     local function func(self)
         local pos = self.object:get_pos()
-        local goal
-        if group
-        and self:timer(3) then
-            local range = self.tracking_range * 0.5
-            local group_positions = animalia.get_group_positions(self.name, pos, range + 1)
-            if #group_positions > 2 then
-                local center = animalia.get_average_pos(group_positions)
-                if center
-                and vec_dist(pos, center) > range then
-                    goal = center
-                end
-            end
-            group_tick = 2
-        end
         if not self:get_action() then
+            local goal
             local move = random(move_probability) < 2
             if self.lasso_pos
             and vec_dist(pos, self.lasso_pos) > 10 then
@@ -737,14 +724,34 @@ creatura.register_utility("animalia:boid_wander", function(self, group)
             end
             if not goal
             and move then
-                goal = self:get_wander_pos(1, 3)
+                goal = self:get_wander_pos(1, 2)
             end
-            if move
+            if group
-            and goal then
+            and goal
+            and group_tick > 3 then
+                local range = self.tracking_range * 0.5
+                local group_positions = animalia.get_group_positions(self.name, pos, range + 1)
+                if #group_positions > 2 then
+                    local center = animalia.get_average_pos(group_positions)
+                    if center
+                    and vec_dist(pos, center) > range * 0.33
+                    or vec_dist(goal, center) > range * 0.33 then
+                        goal = center
+                        far_from_group = true
+                    else
+                        far_from_group = false
+                    end
+                end
+                group_tick = 0
+            end
+            if (move
+            and goal)
+            or far_from_group then
                 animalia.action_boid_walk(self, goal, 6, "creatura:neighbors", 0.35)
             else
                 creatura.action_idle(self, idle_time)
             end
+            group_tick = group_tick + 1
         end
     end
     self:set_utility(func)
@@ -1632,7 +1639,7 @@ creatura.register_utility("animalia:mount", function(self, player)
             speed_factor = speed_factor * 0.5
         end
         local total_speed = vector.length(vel)
-        if total_speed > 0.1 then
+        if total_speed > 0.2 then
             anim = "walk"
             if control.aux1 then
                 anim = "run"

api/spawning.lua

@@ -214,41 +214,59 @@ local chunk_spawn_add_int = tonumber(minetest.settings:get("chunk_spawn_add_int"
 
 animalia.spawn_queue = {}
 
+local c_air = minetest.get_content_id("air")
+
 minetest.register_on_generated(function(minp, maxp)
     if not mapgen_spawning then return end
 	animalia.chunks_since_last_spawn = animalia.chunks_since_last_spawn + 1
-	local heightmap = minetest.get_mapgen_object("heightmap")
+    local max_y = maxp.y
-	if not heightmap then return end
+    local min_x = minp.x
-	local pos = {
+    local max_x = maxp.x
-		x = minp.x + math.floor((maxp.x - minp.x) / 2),
+    local min_z = minp.z
-		y = minp.y,
+    local max_z = maxp.z
-		z = minp.z + math.floor((maxp.z - minp.z) / 2)
+	
-	}
+	local vm, emin, emax = minetest.get_mapgen_object("voxelmanip")
-	local hm_i = (pos.x - minp.x + 1) + (((pos.z - minp.z)) * 80)
+	local area = VoxelArea:new{MinEdge=emin, MaxEdge=emax}
-	pos.y = heightmap[hm_i]
+	local data = vm:get_data()
-	if animalia.chunks_since_last_spawn > chunk_spawn_add_int
+
-	and pos.y > 0 then
+    local spawn_added = false
-		local heightmap = minetest.get_mapgen_object("heightmap")
+
-		if not heightmap then return end
+	for xcen = min_x + 8, max_x - 7, 8 do
-		local center = {
+        if spawn_added then break end
-			x = math.floor(minp.x + ((maxp.x - minp.x) * 0.5) + 0.5),
+        for zcen = min_z + 8, max_z - 7, 8 do
-			y = minp.y,
+            local surface = false -- y of above surface node
-			z = math.floor(minp.z + ((maxp.z - minp.z) * 0.5) + 0.5),
+            for y = max_y, 2, -1 do
-		}
+                local vi = area:index(xcen, y, zcen)
-		local light = minetest.get_natural_light(center)
+                local c_node = data[vi]
-		while center.y < maxp.y
+                local c_name = minetest.get_name_from_content_id(c_node)
-		and light < 10 do
+                local c_def = minetest.registered_nodes[c_name]
-			center.y = center.y + 1
+                if y == max_y and c_node ~= c_air then -- if top node solid
-			light = minetest.get_natural_light(center)
+                    break
+                elseif minetest.get_item_group(c_name, "leaves") > 0 then
+                    break
+                elseif c_def.walkable then
+                    surface = y + 1
+                    break
                 end
+            end
+            if animalia.chunks_since_last_spawn > chunk_spawn_add_int
+            and surface then
+                local center = {
+                    x = xcen,
+                    y = surface,
+                    z = zcen,
+                }
                 local spawnable_mobs = get_spawnable_mobs(center)
                 if spawnable_mobs then
                     local mob = spawnable_mobs[random(#spawnable_mobs)]
                     table.insert(animalia.spawn_queue, {pos = center, mob = mob, group = random(3, 4)})
                     table.insert(animalia.spawn_points, center)
                 end
+                spawn_added = true
                 animalia.chunks_since_last_spawn = 0
             end
+        end
+	end
 end)
 
 local respawn_interval = 15

mobs/cow.lua

@@ -141,7 +141,8 @@ creatura.register_mob("animalia:cow", {
 		[5] = {
 			utility = "animalia:mammal_breed",
 			get_score = function(self)
-				if self.breeding then
+				if self.breeding
+				and animalia.get_nearby_mate(self, self.name) then
 					return 0.9, {self}
 				end
 				return 0

mobs/horse.lua

@@ -162,11 +162,6 @@ creatura.register_mob("animalia:horse", {
 				and type(self.lasso_origin) == "userdata" then
 					return 0.8, {self, self.lasso_origin, true}
 				end
-				local player = creatura.get_nearby_player(self)
-				if player
-				and self:follow_wielded_item(player) then
-					return 0.8, {self, player}
-				end
 				return 0
 			end
 		},

mobs/sheep.lua

@@ -68,7 +68,6 @@ creatura.register_mob("animalia:sheep", {
 		walk = {range = {x = 70, y = 110}, speed = 40, frame_blend = 0.3, loop = true},
 		run = {range = {x = 70, y = 110}, speed = 50, frame_blend = 0.3, loop = true},
 	},
-	use_texture_alpha = true,
     -- Misc
 	catch_with_net = true,
 	catch_with_lasso = true,