Initial commit of Command & Conquer Renegade source code.

Code/ww3d2/texturethumbnail.h

@@ -0,0 +1,133 @@
+/*
+**	Command & Conquer Renegade(tm)
+**	Copyright 2025 Electronic Arts Inc.
+**
+**	This program is free software: you can redistribute it and/or modify
+**	it under the terms of the GNU General Public License as published by
+**	the Free Software Foundation, either version 3 of the License, or
+**	(at your option) any later version.
+**
+**	This program is distributed in the hope that it will be useful,
+**	but WITHOUT ANY WARRANTY; without even the implied warranty of
+**	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+**	GNU General Public License for more details.
+**
+**	You should have received a copy of the GNU General Public License
+**	along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef TEXTURETHUMBNAIL_H
+#define TEXTURETHUMBNAIL_H
+
+#if defined(_MSC_VER)
+#pragma once
+#endif
+
+#include "always.h"
+#include "wwstring.h"
+#include "hashtemplate.h"
+#include "dllist.h"
+#include "ww3dformat.h"
+
+class ThumbnailManagerClass;
+
+// ----------------------------------------------------------------------------
+
+class ThumbnailClass
+{
+	friend ThumbnailManagerClass;
+
+	StringClass Name;
+	unsigned char* Bitmap;
+	unsigned Width;
+	unsigned Height;
+	unsigned OriginalTextureWidth;
+	unsigned OriginalTextureHeight;
+	unsigned OriginalTextureMipLevelCount;
+	WW3DFormat OriginalTextureFormat;
+	unsigned long DateTime;
+	bool Allocated;	// if true, destructor will free the memory
+	ThumbnailManagerClass* Manager;
+
+	ThumbnailClass(
+		ThumbnailManagerClass* manager,
+		const char* name, 
+		unsigned char* bitmap, 
+		unsigned w, 
+		unsigned h, 
+		unsigned original_w, 
+		unsigned original_h, 
+		unsigned original_mip_level_count,
+		WW3DFormat original_format,
+		bool allocated,
+		unsigned long date_time);
+	ThumbnailClass(
+		ThumbnailManagerClass* manager,
+		const StringClass& filename);
+	~ThumbnailClass();
+public:
+
+	unsigned char* Peek_Bitmap() { return Bitmap; }
+	WW3DFormat Get_Format() { return WW3D_FORMAT_A4R4G4B4; }
+	unsigned Get_Width() const { return Width; }
+	unsigned Get_Height() const { return Height; }
+	unsigned Get_Original_Texture_Width() const { return OriginalTextureWidth; }
+	unsigned Get_Original_Texture_Height() const { return OriginalTextureHeight; }
+	unsigned Get_Original_Texture_Mip_Level_Count() const { return OriginalTextureMipLevelCount; }
+	WW3DFormat Get_Original_Texture_Format() const { return OriginalTextureFormat; }
+	unsigned long Get_Date_Time() const { return DateTime; }
+	const StringClass& Get_Name() const { return Name; }
+
+};
+
+// ----------------------------------------------------------------------------
+
+class ThumbnailManagerClass : public DLNodeClass<ThumbnailManagerClass>
+{
+	friend ThumbnailClass;
+
+	bool CreateThumbnailIfNotFound;
+	bool PerTextureTimeStampUsed;
+	StringClass ThumbnailFileName;
+	StringClass MixFileName;
+	HashTemplateClass<StringClass,ThumbnailClass*> ThumbnailHash;
+	unsigned char* ThumbnailMemory;
+	bool Changed;
+	unsigned long DateTime;
+
+	static DLListClass<ThumbnailManagerClass> ThumbnailManagerList;
+
+	ThumbnailManagerClass(const char* thumbnail_filename, const char* mix_file_name);
+	~ThumbnailManagerClass();
+
+	void ThumbnailManagerClass::Remove_From_Hash(ThumbnailClass* thumb);
+	void ThumbnailManagerClass::Insert_To_Hash(ThumbnailClass* thumb);
+	ThumbnailClass* ThumbnailManagerClass::Get_From_Hash(const StringClass& name);
+
+	void Create_Thumbnails();
+	static void Update_Thumbnail_File(const char* mix_file_name, bool display_message_box);
+
+	void Load();
+	void Save(bool force=false);
+public:
+	static void Add_Thumbnail_Manager(const char* thumbnail_filename, const char* mix_file_name);
+	static void Remove_Thumbnail_Manager(const char* thumbnail_filename);
+
+	ThumbnailClass* Peek_Thumbnail_Instance(const StringClass& name);
+
+	bool Is_Thumbnail_Created_If_Not_Found() const { return CreateThumbnailIfNotFound; }
+	void Create_Thumbnail_If_Not_Found(bool create) { CreateThumbnailIfNotFound=create; }
+
+	bool Is_Per_Texture_Time_Stamp_Used() const { return PerTextureTimeStampUsed; }
+	void Enable_Per_Texture_Time_Stamp(bool enable) { PerTextureTimeStampUsed=enable; }
+
+	static void Pre_Init(bool display_message_box);
+	static void Init();
+	static void Deinit();
+
+	static DLListClass<ThumbnailManagerClass>& Peek_List() { return ThumbnailManagerList; }
+};
+
+// ----------------------------------------------------------------------------
+
+#endif