From 374abb27d3adfa50c48711e5576b285336c2c2e8 Mon Sep 17 00:00:00 2001
From: MontyTRC89 <montyhammet@hotmail.it>
Date: Sat, 7 Dec 2024 05:02:09 +0100
Subject: [PATCH] Implemented mirrors in file format

---
 TombEngine/Renderer/RendererFrame.cpp         |  7 ++--
 .../Renderer/Structures/RendererMirror.h      |  1 -
 TombEngine/Specific/level.cpp                 | 33 +++++++++++--------
 TombEngine/Specific/level.h                   |  4 +--
 4 files changed, 26 insertions(+), 19 deletions(-)

diff --git a/TombEngine/Renderer/RendererFrame.cpp b/TombEngine/Renderer/RendererFrame.cpp
index e42f1b387..63a9e9ec0 100644
--- a/TombEngine/Renderer/RendererFrame.cpp
+++ b/TombEngine/Renderer/RendererFrame.cpp
@@ -154,8 +154,11 @@ namespace TEN::Renderer
 			{
 				RendererMirror rendererMirror;
 				rendererMirror.RoomNumber = mirror.RoomNumber;
-				rendererMirror.MirroredRoomNumber = mirror.MirroredRoomNumber;
-				rendererMirror.Plane = mirror.MirrorPlane;
+				rendererMirror.Plane = Plane(
+					Vector3(mirror.MirrorPlane.x,
+						    mirror.MirrorPlane.y,
+							mirror.MirrorPlane.z),
+					mirror.MirrorPlane.w);
 				rendererMirror.ReflectionMatrix = Matrix::CreateReflection(rendererMirror.Plane);
 				renderView.Mirrors.push_back(rendererMirror);
 			}
diff --git a/TombEngine/Renderer/Structures/RendererMirror.h b/TombEngine/Renderer/Structures/RendererMirror.h
index 42ed41064..b96f99272 100644
--- a/TombEngine/Renderer/Structures/RendererMirror.h
+++ b/TombEngine/Renderer/Structures/RendererMirror.h
@@ -9,7 +9,6 @@ namespace TEN::Renderer::Structures
 	struct RendererMirror
 	{
 		short RoomNumber;
-		short MirroredRoomNumber;
 		Plane Plane;
 		Matrix ReflectionMatrix;
 	};
diff --git a/TombEngine/Specific/level.cpp b/TombEngine/Specific/level.cpp
index 35efad26c..2ec8bcf18 100644
--- a/TombEngine/Specific/level.cpp
+++ b/TombEngine/Specific/level.cpp
@@ -980,6 +980,7 @@ void FreeLevel(bool partial)
 	g_Level.VolumeEventSets.resize(0);
 	g_Level.GlobalEventSets.resize(0);
 	g_Level.LoopedEventSetIndices.resize(0);
+	g_Level.Mirrors.resize(0);
 
 	g_GameScript->FreeLevelScripts();
 	g_GameScriptEntities->FreeEntities();
@@ -1363,6 +1364,7 @@ bool LoadLevel(const std::string& path, bool partial)
 
 			LoadSprites();
 			LoadBoxes();
+			LoadMirrors();
 			LoadAnimatedTextures();
 			UpdateProgress(70);
 
@@ -1408,20 +1410,6 @@ bool LoadLevel(const std::string& path, bool partial)
 
 		UpdateProgress(100, partial);
 
-		// MIRROR: remove after TE changes
-		g_Level.Mirrors.clear();
-
-		MirrorInfo mirror;
-		mirror.RoomNumber = 17;
-		mirror.MirrorPlane = Plane(Vector3(BLOCK(10), 0, 0), Vector3(-1, 0, 0));
-		g_Level.Mirrors.push_back(mirror);
-		
-		//mirror.MirrorPlane = Plane(Vector3(0, 0, 30000), Vector3(0, 0, -1));
-		//g_Level.Mirrors.push_back(mirror);
-
-		//mirror.MirrorPlane = Plane(Vector3(0, -2048, 0), Vector3(0,-1, 0));
-		//g_Level.Mirrors.push_back(mirror);
-
 		TENLog("Level loading complete.", LogLevel::Info);
 
 		loadedSuccessfully = true;
@@ -1531,6 +1519,23 @@ void LoadBoxes()
 	}
 }
 
+void LoadMirrors()
+{
+	int mirrorCount = ReadCount(CUBE(1024));
+	TENLog("Mirror count: " + std::to_string(mirrorCount), LogLevel::Info);
+	g_Level.Mirrors.reserve(mirrorCount);
+	for (int i = 0; i < mirrorCount; i++)
+	{
+		auto& mirror = g_Level.Mirrors.emplace_back();
+
+		mirror.RoomNumber = ReadInt16();
+		mirror.MirrorPlane.x = ReadFloat();
+		mirror.MirrorPlane.y = ReadFloat();
+		mirror.MirrorPlane.z = ReadFloat();
+		mirror.MirrorPlane.w = ReadFloat();
+	}
+}
+
 bool LoadLevelFile(int levelIndex)
 {
 	const auto& level = *g_GameFlow->GetLevel(levelIndex);
diff --git a/TombEngine/Specific/level.h b/TombEngine/Specific/level.h
index efb7ac3e9..4504bb6a2 100644
--- a/TombEngine/Specific/level.h
+++ b/TombEngine/Specific/level.h
@@ -88,8 +88,7 @@ struct MESH
 struct MirrorInfo
 {
 	short RoomNumber;
-	short MirroredRoomNumber;
-	Plane MirrorPlane;
+	Vector4 MirrorPlane;
 };
 
 // LevelData
@@ -172,6 +171,7 @@ void LoadSoundSources();
 void LoadAnimatedTextures();
 void LoadEventSets();
 void LoadAIObjects();
+void LoadMirrors();
 
 void LoadPortal(ROOM_INFO& room);