66 lines
2.3 KiB
Lua
66 lines
2.3 KiB
Lua
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function mcl_mobs.mob:collision_step()
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local own_box, own_pos, own_boundary = mcl_mobs.util.get_collision_data(self.object)
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local radius = math.max(own_boundary, own_box[5])
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local max_cramming = tonumber(minetest.settings:get("mclMaxEntityCramming")) or mcl_mobs.const.max_entity_cramming
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local parent = self.object:get_attach()
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for _, obj in pairs(minetest.get_objects_inside_radius(own_pos, radius * 1.25)) do
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if obj ~= self.object and obj ~= parent and obj:get_attach() ~= self.object then
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local luaentity = obj:get_luaentity()
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if not luaentity and obj:get_hp() > 0 or luaentity and luaentity.is_mob and not luaentity.dead then
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max_cramming = max_cramming - 1
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if max_cramming <= 0 then
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local target, source = self.object, obj
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-- hurt adults before babies
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if self.data.baby and luaentity then
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target, source = source, target -- how the turntables...
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end
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mcl_util.deal_damage(target, mcl_util.get_hp(target), {type = "cramming", source = source})
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return
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end
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local obj_box, obj_pos, obj_boundary = mcl_mobs.util.get_collision_data(obj)
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-- this is checking the difference of the object collided with's possision
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-- if positive top of other object is inside (y axis) of current object
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local y_base_diff = obj_pos.y + obj_box[5] - own_pos.y
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local y_top_diff = own_pos.y + own_box[5] - obj_pos.y
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local distance = vector.distance(
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vector.new(own_pos.x, 0, own_pos.z),
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vector.new(obj_pos.x, 0, obj_pos.z)
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)
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local combined_boundary = own_boundary + obj_boundary
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if distance <= combined_boundary and y_base_diff >= 0 and y_top_diff >= 0 then
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local dir = vector.direction(own_pos, obj_pos)
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dir.y = 0
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-- eliminate mob being stuck in corners
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if dir.x == 0 and dir.z == 0 then
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-- slightly adjust mob position to prevent equal length
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-- corner/wall sticking
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dir.x = dir.x + math.random() / 10 * (math.round(math.random()) * 2 - 1)
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dir.z = dir.z + math.random() / 10 * (math.round(math.random()) * 2 - 1)
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end
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local obj_vel = vector.multiply(dir, 0.5 * (1 - distance / combined_boundary) * 1.5)
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local own_vel = vector.multiply(obj_vel, -10)
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if not luaentity then
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obj_vel = vector.multiply(obj_vel, 2.5)
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end
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obj:add_velocity(obj_vel)
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self.object:add_velocity(own_vel)
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end
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end
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end
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end
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end
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