add banner object loading

openrct2.vcxproj

@@ -118,6 +118,7 @@
     <ClCompile Include="src\network\TcpSocket.cpp" />
     <ClCompile Include="src\network\twitch.cpp" />
     <ClCompile Include="src\object.c" />
+    <ClCompile Include="src\object\BannerObject.cpp" />
     <ClCompile Include="src\object\EntranceObject.cpp" />
     <ClCompile Include="src\object\FootpathItemObject.cpp" />
     <ClCompile Include="src\object\FootpathObject.cpp" />
@@ -431,6 +432,7 @@
     <ClInclude Include="src\network\network.h" />
     <ClInclude Include="src\network\NetworkKey.h" />
     <ClInclude Include="src\object.h" />
+    <ClInclude Include="src\object\BannerObject.h" />
     <ClInclude Include="src\object\EntranceObject.h" />
     <ClInclude Include="src\object\FootpathItemObject.h" />
     <ClInclude Include="src\object\FootpathObject.h" />

src/object/BannerObject.cpp

@@ -0,0 +1,74 @@
+#pragma region Copyright (c) 2014-2016 OpenRCT2 Developers
+/*****************************************************************************
+ * OpenRCT2, an open source clone of Roller Coaster Tycoon 2.
+ *
+ * OpenRCT2 is the work of many authors, a full list can be found in contributors.md
+ * For more information, visit https://github.com/OpenRCT2/OpenRCT2
+ *
+ * OpenRCT2 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.
+ *
+ * A full copy of the GNU General Public License can be found in licence.txt
+ *****************************************************************************/
+#pragma endregion
+
+#include "../core/IStream.hpp"
+#include "../core/Memory.hpp"
+#include "BannerObject.h"
+
+extern "C"
+{
+    #include "../drawing/drawing.h"
+    #include "../localisation/localisation.h"
+}
+
+enum OBJ_STRING_ID
+{
+    OBJ_STRING_ID_NAME,
+};
+
+void BannerObject::ReadLegacy(IStream * stream)
+{
+    _legacyType.name = stream->ReadValue<rct_string_id>();
+    _legacyType.image = stream->ReadValue<uint32>();
+
+    _legacyType.banner.scrolling_mode = stream->ReadValue<uint8>();
+    _legacyType.banner.flags = stream->ReadValue<uint8>();
+    _legacyType.banner.price = stream->ReadValue<uint8>();
+    _legacyType.banner.scenery_tab_id = stream->ReadValue<uint8>();
+
+    StringTable.Read(stream, OBJ_STRING_ID_NAME);
+
+    _sceneryTabEntry = stream->ReadValue<rct_object_entry>();
+
+    ImageTable.Read(stream);
+}
+
+void BannerObject::Load()
+{
+    _legacyType.name = language_allocate_object_string(GetName());
+    _legacyType.image = gfx_object_allocate_images(ImageTable.GetImages(), ImageTable.GetCount());
+
+    _legacyType.banner.scenery_tab_id = 0xFF;
+    if ((_sceneryTabEntry.flags & 0xFF) != 0xFF)
+    {
+        uint8 entryType, entryIndex;
+        if (find_object_in_entry_group(&_sceneryTabEntry, &entryType, &entryIndex))
+        {
+            _legacyType.banner.scenery_tab_id = entryIndex;
+        }
+    }
+}
+
+void BannerObject::Unload()
+{
+    language_free_object_string(_legacyType.name);
+    gfx_object_free_images(_legacyType.image, ImageTable.GetCount());
+}
+
+const utf8 * BannerObject::GetName()
+{
+    return StringTable.GetString(OBJ_STRING_ID_NAME);
+}

src/object/BannerObject.h

@@ -0,0 +1,42 @@
+#pragma region Copyright (c) 2014-2016 OpenRCT2 Developers
+/*****************************************************************************
+ * OpenRCT2, an open source clone of Roller Coaster Tycoon 2.
+ *
+ * OpenRCT2 is the work of many authors, a full list can be found in contributors.md
+ * For more information, visit https://github.com/OpenRCT2/OpenRCT2
+ *
+ * OpenRCT2 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.
+ *
+ * A full copy of the GNU General Public License can be found in licence.txt
+ *****************************************************************************/
+#pragma endregion
+
+#pragma once
+
+#include "Object.h"
+
+extern "C"
+{
+    #include "../world/scenery.h"
+}
+
+class BannerObject : public Object
+{
+private:
+    rct_scenery_entry   _legacyType;
+    rct_object_entry    _sceneryTabEntry;
+
+public:
+    explicit BannerObject(const rct_object_entry &entry) : Object(entry) { };
+
+    void * GetLegacyData()  override { return &_legacyType; }
+
+    void ReadLegacy(IStream * stream) override;
+    void Load() override;
+    void Unload() override;
+
+    const utf8 * GetName() override;
+};

src/object/ObjectFactory.cpp

@@ -17,6 +17,7 @@
 #include "../core/FileStream.hpp"
 #include "../core/Memory.hpp"
 #include "../core/MemoryStream.h"
+#include "BannerObject.h"
 #include "EntranceObject.h"
 #include "FootpathItemObject.h"
 #include "FootpathObject.h"
@@ -80,6 +81,9 @@ namespace ObjectFactory
         case OBJECT_TYPE_WALLS:
             result = new WallObject(entry);
             break;
+        case OBJECT_TYPE_BANNERS:
+            result = new BannerObject(entry);
+            break;
         case OBJECT_TYPE_PATHS:
             result = new FootpathObject(entry);
             break;