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Item entity merging refactor 

Don't ident too much, and add a comment.
This commit is contained in:
est31 2015-05-15 00:03:19 +02:00 committed by OttoLidenbrock
parent b1b5ed6ac8
commit b0af15714c
1 changed files with 56 additions and 45 deletions
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99
builtin/game/item_entity.lua
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@ -96,6 +96,56 @@ core.register_entity(":__builtin:item", {
self:set_item(self.itemstring)
end,
try_merge_with = function(self, own_stack, object, obj)
local stack = ItemStack(obj.itemstring)
if own_stack:get_name() == stack:get_name() and stack:get_free_space() > 0 then
local overflow = false
local count = stack:get_count() + own_stack:get_count()
local max_count = stack:get_stack_max()
if count > max_count then
overflow = true
count = count - max_count
else
self.itemstring = ''
end
local pos = object:getpos()
pos.y = pos.y + (count - stack:get_count()) / max_count * 0.15
object:moveto(pos, false)
local s, c
local max_count = stack:get_stack_max()
local name = stack:get_name()
if not overflow then
obj.itemstring = name .. " " .. count
s = 0.2 + 0.1 * (count / max_count)
c = s
object:set_properties({
visual_size = {x = s, y = s},
collisionbox = {-c, -c, -c, c, c, c}
})
self.object:remove()
-- merging succeeded
return true
else
s = 0.4
c = 0.3
object:set_properties({
visual_size = {x = s, y = s},
collisionbox = {-c, -c, -c, c, c, c}
})
obj.itemstring = name .. " " .. max_count
s = 0.2 + 0.1 * (count / max_count)
c = s
self.object:set_properties({
visual_size = {x = s, y = s},
collisionbox = {-c, -c, -c, c, c, c}
})
self.itemstring = name .. " " .. count
end
end
-- merging didn't succeed
return false
end,
on_step = function(self, dtime)
self.age = self.age + dtime
if time_to_live > 0 and self.age > time_to_live then
@ -111,52 +161,13 @@ core.register_entity(":__builtin:item", {
if not core.registered_nodes[nn] or (core.registered_nodes[nn].walkable and core.get_item_group(nn, "slippery")==0) and v.y == 0 then
if self.physical_state then
local own_stack = ItemStack(self.object:get_luaentity().itemstring)
for _,object in ipairs(core.get_objects_inside_radius(p, 0.8)) do
-- Merge with close entities of the same item
for _, object in ipairs(core.get_objects_inside_radius(p, 0.8)) do
local obj = object:get_luaentity()
if obj and obj.name == "__builtin:item" and obj.physical_state == false then
local stack = ItemStack(obj.itemstring)
if own_stack:get_name() == stack:get_name() and stack:get_free_space() > 0 then
local overflow = false
local count = stack:get_count() + own_stack:get_count()
local max_count = stack:get_stack_max()
if count>max_count then
overflow = true
count = count - max_count
else
self.itemstring = ''
end
local pos=object:getpos()
pos.y = pos.y + (count - stack:get_count()) / max_count * 0.15
object:moveto(pos, false)
local s, c
local max_count = stack:get_stack_max()
local name = stack:get_name()
if not overflow then
obj.itemstring = name.." "..count
s = 0.2 + 0.1 * (count / max_count)
c = s
object:set_properties({
visual_size = {x = s, y = s},
collisionbox = {-c, -c, -c, c, c, c}
})
self.object:remove()
if obj and obj.name == "__builtin:item"
and obj.physical_state == false then
if self:try_merge_with(own_stack, object, obj) then
return
else
s = 0.4
c = 0.3
object:set_properties({
visual_size = {x = s, y = s},
collisionbox = {-c, -c, -c, c, c, c}
})
obj.itemstring = name.." "..max_count
s = 0.2 + 0.1 * (count / max_count)
c = s
self.object:set_properties({
visual_size = {x = s, y = s},
collisionbox = {-c, -c, -c, c, c, c}
})
self.itemstring = name.." "..count
end
end
end
end