added multiple blood textures

api.lua

@@ -2225,7 +2225,15 @@ local mob_punch = function(self, hitter, tflp, tool_capabilities, dir)
 
 			pos.y = pos.y + (-self.collisionbox[2] + self.collisionbox[5]) * .5
 
-			effect(pos, self.blood_amount, self.blood_texture, nil, nil, 1, nil)
+			-- do we have a single blood texture or multiple?
+			if type(self.blood_texture) == "table" then
+
+				local blood = self.blood_texture[random(1, #self.blood_texture)]
+
+				effect(pos, self.blood_amount, blood, nil, nil, 1, nil)
+			else
+				effect(pos, self.blood_amount, self.blood_texture, nil, nil, 1, nil)
+			end
 		end
 
 		-- do damage

api.txt

@@ -61,7 +61,8 @@ This functions registers a new mob as a Minetest entity.
         'immune_to' table holding special tool/item names and damage the incur e.g.
             {"default:sword_wood", 0}, {"default:gold_lump", -10} immune to sword, gold lump heals
         'blood_amount' number of droplets that appear when hit
-        'blood_texture' texture of blood droplets (default: "mobs_blood.png")
+        'blood_texture' texture of blood droplets (default: "mobs_blood.png") can be table with multiple textures also e.g. {"mobs_blood.png", "mobs_blood2.png"}
+        
         'drops' is list of tables with the following fields:
             'name' itemname e.g. default:stone
             'chance' the inverted chance (same as in abm) to get the item

api_new.txt

@@ -105,7 +105,7 @@ functions needed for the mob to work properly which contains the following:
    'blood_amount'        contains the number of blood droplets to appear when
                          mob is hit.
    'blood_texture'       has the texture name to use for droplets e.g.
-                         "mobs_blood.png".
+                         "mobs_blood.png", or table {"blood1.png", "blood2.png"}
    'pathfinding'         set to 1 for mobs to use pathfinder feature to locate
                          player, set to 2 so they can build/break also (only
                          works with dogfight attack).
@@ -250,7 +250,7 @@ enhance mob functionality and have them do many interesting things:
                     false to stop punch damage and knockback from taking place.
    'custom_attack'  when set this function is called instead of the normal mob
                     melee attack, parameters are (self, to_attack).
-   'on_die'         a function that is called when mob is killed
+   'on_die'         a function that is called when mob is killed (self, pos)
    'do_custom'      a custom function that is called every tick while mob is
                     active and which has access to all of the self.* variables
                     e.g. (self.health for health or self.standing_in for node