Merge pull request 'Don't spawn structure mobs in peaceful mode' (#2629) from fix_peaceful_structmobs into master

Reviewed-on: MineClone2/MineClone2#2629
Reviewed-by: PrairieWind <prairie.astronomer1@gmail.com>

mods/ENTITIES/mcl_mobs/spawning.lua

@@ -434,7 +434,7 @@ local function spawn_check(pos,spawn_def)
 		is_ground = minetest.get_item_group(gotten_node,"solid") ~= 0
 	end
 	pos.y = pos.y + 1
-
+	local has_room = #minetest.find_nodes_in_area(pos,vector.offset(pos,0,1,0),{"air"}) or 0 >= 2
 	local is_water = get_item_group(gotten_node, "water") ~= 0
 	local is_lava  = get_item_group(gotten_node, "lava") ~= 0
 	local is_leaf  = get_item_group(gotten_node, "leaves") ~= 0
@@ -452,6 +452,7 @@ local function spawn_check(pos,spawn_def)
 	and biome_check(spawn_def.biomes, gotten_biome)
 	and (is_ground or spawn_def.type_of_spawning ~= "ground")
 	and (spawn_def.type_of_spawning ~= "ground" or not is_leaf)
+	and (spawn_def.type_of_spawning ~= "ground" or has_room)
 	and (spawn_def.check_position and spawn_def.check_position(pos) or true)
 	and (not is_farm_animal(spawn_def.name) or is_grass)
 	and (spawn_def.type_of_spawning ~= "water" or is_water)

mods/MAPGEN/mcl_structures/pillager_outpost.lua

@@ -1,6 +1,7 @@
 local modname = minetest.get_current_modname()
 local S = minetest.get_translator(modname)
 local modpath = minetest.get_modpath(modname)
+local peaceful = minetest.settings:get_bool("only_peaceful_mobs", false)
 
 mcl_structures.register_structure("pillager_outpost",{
 	place_on = {"group:grass_block","group:dirt","mcl_core:dirt_with_grass","group:sand"},
@@ -65,17 +66,19 @@ mcl_structures.register_structure("pillager_outpost",{
 				def.on_construct(n)
 			end
 		end
-		if sp and #sp > 0 then
-			for i=1,5 do
+		if not peaceful then
+			if sp and #sp > 0 then
+				for i=1,5 do
+					local pos = sp[pr:next(1,#sp)]
+					if pos then
+						minetest.add_entity(pos,"mobs_mc:pillager")
+					end
+				end
 				local pos = sp[pr:next(1,#sp)]
 				if pos then
-					minetest.add_entity(pos,"mobs_mc:pillager")
+					minetest.add_entity(pos,"mobs_mc:evoker")
 				end
 			end
-			local pos = sp[pr:next(1,#sp)]
-			if pos then
-				minetest.add_entity(pos,"mobs_mc:evoker")
-			end
 		end
 	end
 })

mods/MAPGEN/mcl_structures/witch_hut.lua

@@ -2,14 +2,19 @@ local modname = minetest.get_current_modname()
 local S = minetest.get_translator(modname)
 local modpath = minetest.get_modpath(modname)
 
+local peaceful = minetest.settings:get_bool("only_peaceful_mobs", false)
+
 local function spawn_witch(p1,p2)
 	local c = minetest.find_node_near(p1,15,{"mcl_cauldrons:cauldron"})
 	if c then
 		local nn = minetest.find_nodes_in_area_under_air(vector.new(p1.x,c.y-1,p1.z),vector.new(p2.x,c.y-1,p2.z),{"mcl_core:sprucewood"})
-		local witch = minetest.add_entity(vector.offset(nn[math.random(#nn)],0,1,0),"mobs_mc:witch"):get_luaentity()
+		local witch
+		if not peaceful then
+			witch = minetest.add_entity(vector.offset(nn[math.random(#nn)],0,1,0),"mobs_mc:witch"):get_luaentity()
+			witch._home = c
+			witch.can_despawn = false
+		end
 		local cat = minetest.add_entity(vector.offset(nn[math.random(#nn)],0,1,0),"mobs_mc:cat"):get_luaentity()
-		witch._home = c
-		witch.can_despawn = false
 		cat.object:set_properties({textures = {"mobs_mc_cat_black.png"}})
 		cat.owner = "!witch!" --so it's not claimable by player
 		cat._home = c

mods/MAPGEN/mcl_structures/woodland_mansion.lua

@@ -1,6 +1,7 @@
 local modname = minetest.get_current_modname()
 local S = minetest.get_translator(modname)
 local modpath = minetest.get_modpath(modname)
+local peaceful = minetest.settings:get_bool("only_peaceful_mobs", false)
 
 mcl_structures.register_structure("woodland_cabin",{
 	place_on = {"group:grass_block","group:dirt","mcl_core:dirt_with_grass"},
@@ -22,17 +23,19 @@ mcl_structures.register_structure("woodland_cabin",{
 		local p1=vector.offset(p,-def.sidelen,-1,-def.sidelen)
 		local p2=vector.offset(p,def.sidelen,def.sidelen,def.sidelen)
 		local sp = minetest.find_nodes_in_area_under_air(p1,p2,spawnon)
-		if sp and #sp > 0 then
-			for i=1,5 do
+		if not peaceful then
+			if sp and #sp > 0 then
+				for i=1,5 do
+					local pos = sp[pr:next(1,#sp)]
+					if pos then
+						minetest.add_entity(pos,"mobs_mc:vindicator")
+					end
+				end
 				local pos = sp[pr:next(1,#sp)]
 				if pos then
-					minetest.add_entity(pos,"mobs_mc:vindicator")
+					minetest.add_entity(pos,"mobs_mc:evoker")
 				end
 			end
-			local pos = sp[pr:next(1,#sp)]
-			if pos then
-				minetest.add_entity(pos,"mobs_mc:evoker")
-			end
 		end
 		local parrot = minetest.find_node_near(p,25,{"mcl_heads:wither_skeleton"})
 		if parrot then