From 3bbfd4c52d3dbdbd8efb9dcf222491ec4133f32f Mon Sep 17 00:00:00 2001
From: kdxcxs <cx@kdxcxs.com>
Date: Mon, 27 Mar 2023 23:45:58 +0800
Subject: [PATCH 1/2] fix: clean up items when round ends

---
 commands.lua |  2 ++
 rounds.lua   |  2 ++
 sandbox.lua  | 14 ++++++++++++++
 3 files changed, 18 insertions(+)

diff --git a/commands.lua b/commands.lua
index 99d3a50..a1f9f45 100644
--- a/commands.lua
+++ b/commands.lua
@@ -29,6 +29,7 @@ end
 function Commands:FullRestart()
     Timers:RemoveTimer("round_periodic_timer")
     Timers:RemoveTimer("round_limit_timer")
+    Sandbox:CleanUpItems()
     Rounds.restarting = true
     Rounds:InitFromServerAndBeginGame()
 end
@@ -36,6 +37,7 @@ end
 function Commands:RoundRestart()
     Timers:RemoveTimer("round_periodic_timer")
     Timers:RemoveTimer("round_limit_timer")
+    Sandbox:CleanUpItems()
     Rounds:PrepareBeginRound()
 end
 
diff --git a/rounds.lua b/rounds.lua
index 8eaf37f..005d818 100644
--- a/rounds.lua
+++ b/rounds.lua
@@ -526,6 +526,7 @@ function Rounds:BeginRound(bot_scripts)
                 Timers:RemoveTimer("round_periodic_timer")
                 Rounds:RoundEndedScoring()
                 Rounds:FlushScoresAndRunNextRound()
+                Sandbox:CleanUpItems()
             end
         }
     )
@@ -540,6 +541,7 @@ function Rounds:BeginRound(bot_scripts)
                     Timers:RemoveTimer("round_limit_timer")
                     Rounds:RoundEndedScoring()
                     Rounds:FlushScoresAndRunNextRound()
+                    Sandbox:CleanUpItems()
                     return
                 else
                     return 1
diff --git a/sandbox.lua b/sandbox.lua
index 24b3295..4b236c1 100644
--- a/sandbox.lua
+++ b/sandbox.lua
@@ -15,6 +15,7 @@ function Sandbox:Init()
     self.public_api = self:SandboxPublicAPI()
     self.default_hero = "npc_dota_hero_axe"
     self.init = true
+    self.items = {}
 end
 
 function Sandbox:SetupGameInfo(game_info)
@@ -235,6 +236,7 @@ function Sandbox:SandboxBaseNPC(npc, readonly)
         -- we only use unreliable gold
         npc:SetGold(gold_left, false)
         npc:AddItem(item)
+        table.insert(Sandbox.items, item)
         return true
     end
 
@@ -325,6 +327,18 @@ function Sandbox:SandboxItem(item)
     return sandboxed
 end
 
+function Sandbox:CleanUpItems()
+    for _, item in ipairs(self.items) do
+        item:RemoveSelf()
+    end
+    self.items = {}
+
+    local total = GameRules:NumDroppedItems()
+    for _ = 1, total do
+        GameRules:GetDroppedItem(0):RemoveSelf()
+    end
+end
+
 if not Sandbox.init then Sandbox:Init() end
 
 GameRules.Sandbox = Sandbox

From dc8f816e5121e2e53eb66402fdef2f3567441f84 Mon Sep 17 00:00:00 2001
From: kdxcxs <cx@kdxcxs.com>
Date: Tue, 28 Mar 2023 09:17:06 +0800
Subject: [PATCH 2/2] doc: add changelog to readme

---
 README.md | 1 +
 1 file changed, 1 insertion(+)

diff --git a/README.md b/README.md
index e27a5d6..c2e6ac5 100644
--- a/README.md
+++ b/README.md
@@ -63,3 +63,4 @@ All other information should be explored by reading the source code!
 - [2023/3/21 22:00] feat: support getting hero's candidate id.([#21](https://github.com/Escapingbug/dotaxctf/pull/21))
 - [2023/3/23 13:30] fix: remove non-hero units after round ends.([#23](https://github.com/Escapingbug/dotaxctf/pull/23), reporter: AAA剑圣)
 - [2023/3/24 00:22] feat: support `GetItemInSlot(slot)` to return a sandboxed item.([#24](https://github.com/Escapingbug/dotaxctf/pull/24), reporter: AAA剑圣)
+- [2023/3/28 09:16] feat: clean up items when round ends.([#30](https://github.com/Escapingbug/dotaxctf/pull/30))