From 5a1c6f78ac20099a5e83c5a330548259fd9afabb Mon Sep 17 00:00:00 2001
From: hispidence <squidshirehimself@gmail.com>
Date: Mon, 28 Jun 2021 18:23:26 +0100
Subject: [PATCH 1/3] Add GameScriptItemInfo class.

This is the first pass at wrapping an ITEM_INFO in a struct and handing it over to Lua. Many improvements should follow - this is more of a test implementation.
---
 TR5Main/Scripting/GameScriptItemInfo.cpp | 61 ++++++++++++++++++++++++
 TR5Main/Scripting/GameScriptItemInfo.h   | 31 ++++++++++++
 TR5Main/TR5Main.vcxproj                  |  2 +
 3 files changed, 94 insertions(+)
 create mode 100644 TR5Main/Scripting/GameScriptItemInfo.cpp
 create mode 100644 TR5Main/Scripting/GameScriptItemInfo.h

diff --git a/TR5Main/Scripting/GameScriptItemInfo.cpp b/TR5Main/Scripting/GameScriptItemInfo.cpp
new file mode 100644
index 000000000..eb63e1adf
--- /dev/null
+++ b/TR5Main/Scripting/GameScriptItemInfo.cpp
@@ -0,0 +1,61 @@
+#include "framework.h"
+#include "GameScriptItemInfo.h"
+#include "items.h"
+#include "objectslist.h"
+#include "level.h"
+
+void GameScriptItemInfo::Register(sol::state * state)
+{
+	state->new_usertype<GameScriptItemInfo>("ItemInfo",
+		"new", sol::factories(&GameScriptItemInfo::Create));
+}
+
+std::unique_ptr<GameScriptItemInfo> GameScriptItemInfo::Create(
+	short hp,
+	short currentAnim,
+	short requiredAnimState,
+	sol::as_table_t<std::array<int, 3>> pos,
+	sol::as_table_t<std::array<short, 3>> rot,
+	sol::as_table_t<std::array<short, 8>> itemFlags,
+	short ocb,
+	byte aiBits,
+	short status,
+	bool active,
+	bool hitStatus)
+{
+	short num = CreateItem();	
+	ITEM_INFO * item = &g_Level.Items[num];
+	
+	auto p = pos.value();
+	auto r = rot.value();
+	item->pos = PHD_3DPOS(
+		p[0],
+		p[1],
+		p[2],
+		r[0],
+		r[1],
+		r[2]
+	);
+
+	//make it a big medipack by default for now	
+	item->objectNumber = ID_BIGMEDI_ITEM;
+	InitialiseItem(num);
+	
+	item->hitPoints = hp;
+	item->currentAnimState = currentAnim;
+	item->requiredAnimState = requiredAnimState;
+	memcpy(item->itemFlags, itemFlags.value().data(), sizeof(item->itemFlags));
+	item->triggerFlags = ocb;
+	item->aiBits = aiBits;
+	item->status = status;
+	item->active = active;
+	item->hitStatus = hitStatus;
+
+	return std::make_unique<GameScriptItemInfo>(num);
+}
+
+GameScriptItemInfo::GameScriptItemInfo(short num) : m_num{ num } {};
+
+GameScriptItemInfo::~GameScriptItemInfo() {
+	KillItem(m_num);
+}
\ No newline at end of file
diff --git a/TR5Main/Scripting/GameScriptItemInfo.h b/TR5Main/Scripting/GameScriptItemInfo.h
new file mode 100644
index 000000000..09142bf5e
--- /dev/null
+++ b/TR5Main/Scripting/GameScriptItemInfo.h
@@ -0,0 +1,31 @@
+#pragma once
+
+namespace sol {
+	class state;
+	template <typename T> class as_table_t;
+}
+
+
+class GameScriptItemInfo
+{
+private:
+	short m_num;
+public:
+	GameScriptItemInfo(short num);
+	~GameScriptItemInfo();
+	GameScriptItemInfo& operator=(GameScriptItemInfo const& other) = delete;
+	GameScriptItemInfo(GameScriptItemInfo const& other) = delete;
+	static void Register(sol::state *);
+	static std::unique_ptr<GameScriptItemInfo> Create(
+		short hp,
+		short currentAnim,
+		short requiredAnimState,
+		sol::as_table_t<std::array<int, 3>> pos,
+		sol::as_table_t<std::array<short, 3>> rot,
+		sol::as_table_t<std::array<short, 8>> itemFlags,
+		short ocb,
+		byte aiBits,
+		short status,
+		bool active,
+		bool hitStatus);
+};
diff --git a/TR5Main/TR5Main.vcxproj b/TR5Main/TR5Main.vcxproj
index 6b9a62fb6..d757f7686 100644
--- a/TR5Main/TR5Main.vcxproj
+++ b/TR5Main/TR5Main.vcxproj
@@ -164,6 +164,7 @@ xcopy /Y "$(ProjectDir)Shaders\HUD\*.hlsl" "$(TargetDir)\Shaders\HUD\"</Command>
     <ClInclude Include="Game\prng.h" />
     <ClInclude Include="Game\puzzles_keys.h" />
     <ClInclude Include="Game\room.h" />
+    <ClInclude Include="Scripting\GameScriptItemInfo.h" />
     <ClInclude Include="Game\smoke.h" />
     <ClInclude Include="Game\spark.h" />
     <ClInclude Include="Objects\Generic\generic_objects.h" />
@@ -478,6 +479,7 @@ xcopy /Y "$(ProjectDir)Shaders\HUD\*.hlsl" "$(TargetDir)\Shaders\HUD\"</Command>
     <ClCompile Include="Game\particle\SimpleParticle.cpp" />
     <ClCompile Include="Game\prng.cpp" />
     <ClCompile Include="Game\puzzles_keys.cpp" />
+    <ClCompile Include="Scripting\GameScriptItemInfo.cpp" />
     <ClCompile Include="Game\trmath.cpp" />
     <ClCompile Include="Game\smoke.cpp" />
     <ClCompile Include="Game\spark.cpp" />

From a9583065f64c52de245acd5951e07ae1b92832d7 Mon Sep 17 00:00:00 2001
From: hispidence <squidshirehimself@gmail.com>
Date: Mon, 28 Jun 2021 18:34:59 +0100
Subject: [PATCH 2/3] Run the level script inside DoLevel. For now, this just
 runs the script once.

---
 TR5Main/Game/control.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/TR5Main/Game/control.cpp b/TR5Main/Game/control.cpp
index a8572966b..c0d3a1aae 100644
--- a/TR5Main/Game/control.cpp
+++ b/TR5Main/Game/control.cpp
@@ -810,6 +810,11 @@ GAME_STATUS DoLevel(int index, std::string ambient, bool loadFromSavegame)
 	InitialiseCamera();
 	SOUND_Stop();
 
+	// Run the level script
+	GameScriptLevel* level = g_GameFlow->Levels[index];
+	std::string err;
+	g_GameScript->ExecuteScript(level->ScriptFileName, err);
+
 	// Restore the game?
 	if (loadFromSavegame)
 	{

From b2ace2c1bff28139e8b50cc30d0e9ba22d5d0d58 Mon Sep 17 00:00:00 2001
From: hispidence <squidshirehimself@gmail.com>
Date: Mon, 28 Jun 2021 18:35:16 +0100
Subject: [PATCH 3/3] Include and register GameScriptItemInfo.

---
 TR5Main/Scripting/GameLogicScript.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/TR5Main/Scripting/GameLogicScript.cpp b/TR5Main/Scripting/GameLogicScript.cpp
index f7b8895f2..8f32df5fa 100644
--- a/TR5Main/Scripting/GameLogicScript.cpp
+++ b/TR5Main/Scripting/GameLogicScript.cpp
@@ -8,6 +8,8 @@
 #include "sound.h"
 #include "setup.h"
 #include "level.h"
+#include "GameScriptItemInfo.h"
+
 using namespace std;
 extern GameFlow* g_GameFlow;
 GameScript* g_GameScript;
@@ -15,6 +17,7 @@ bool WarningsAsErrors = false;
 
 GameScript::GameScript(sol::state* lua) : LuaHandler{ lua }
 {
+	GameScriptItemInfo::Register(m_lua);
 	m_lua->new_enum<GAME_OBJECT_ID>("Object", {
 		{"LARA", ID_LARA}
 		});