add large scenery object loading

openrct2.vcxproj

@@ -122,6 +122,7 @@
     <ClCompile Include="src\object\FootpathItemObject.cpp" />
     <ClCompile Include="src\object\FootpathObject.cpp" />
     <ClCompile Include="src\object\ImageTable.cpp" />
+    <ClCompile Include="src\object\LargeSceneryObject.cpp" />
     <ClCompile Include="src\object\Object.cpp" />
     <ClCompile Include="src\object\ObjectFactory.cpp" />
     <ClCompile Include="src\object\ObjectRepository.cpp" />
@@ -433,6 +434,7 @@
     <ClInclude Include="src\object\FootpathItemObject.h" />
     <ClInclude Include="src\object\FootpathObject.h" />
     <ClInclude Include="src\object\ImageTable.h" />
+    <ClInclude Include="src\object\LargeSceneryObject.h" />
     <ClInclude Include="src\object\Object.h" />
     <ClInclude Include="src\object\ObjectFactory.h" />
     <ClInclude Include="src\object\ObjectRepository.h" />

src/object/LargeSceneryObject.cpp

@@ -0,0 +1,121 @@
+#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 "LargeSceneryObject.h"
+
+extern "C"
+{
+    #include "../drawing/drawing.h"
+    #include "../localisation/localisation.h"
+}
+
+enum OBJ_STRING_ID
+{
+    OBJ_STRING_ID_NAME,
+};
+
+LargeSceneryObject::~LargeSceneryObject()
+{
+    Memory::Free(_3dFont);
+    Memory::Free(_tiles);
+}
+
+void LargeSceneryObject::ReadLegacy(IStream * stream)
+{
+    _legacyType.name = stream->ReadValue<rct_string_id>();
+    _legacyType.image = stream->ReadValue<uint32>();
+
+    _legacyType.large_scenery.tool_id = stream->ReadValue<uint8>();
+    _legacyType.large_scenery.flags = stream->ReadValue<uint8>();
+    _legacyType.large_scenery.price = stream->ReadValue<sint16>();
+    _legacyType.large_scenery.removal_price = stream->ReadValue<sint16>();
+    stream->Seek(4, STREAM_SEEK_CURRENT);
+    _legacyType.large_scenery.scenery_tab_id = 0xFF;
+    _legacyType.large_scenery.var_11 = stream->ReadValue<uint8>();
+    stream->Seek(5, STREAM_SEEK_CURRENT);
+
+    StringTable.Read(stream, OBJ_STRING_ID_NAME);
+
+    _sceneryTabEntry = stream->ReadValue<rct_object_entry>();
+
+    if (_legacyType.large_scenery.flags & (1 << 2))
+    {
+        _3dFont = Memory::Allocate<rct_large_scenery_text>();
+        stream->Read(_3dFont);
+        _legacyType.large_scenery.text = _3dFont;
+    }
+
+    _tiles = ReadTiles(stream);
+
+    ImageTable.Read(stream);
+}
+
+void LargeSceneryObject::Load()
+{
+    _legacyType.name = language_allocate_object_string(GetName());
+    _legacyType.image = gfx_object_allocate_images(ImageTable.GetImages(), ImageTable.GetCount());
+
+    _legacyType.large_scenery.scenery_tab_id = 0xFF;
+    if ((_sceneryTabEntry.flags & 0xFF) != 0xFF)
+    {
+        uint8 entryType, entryIndex;
+        if (find_object_in_entry_group(&_sceneryTabEntry, &entryType, &entryIndex))
+        {
+            _legacyType.large_scenery.scenery_tab_id = entryIndex;
+        }
+    }
+
+    if (_legacyType.large_scenery.flags & (1 << 2))
+    {
+        _legacyType.large_scenery.text_image = _legacyType.image;
+        if (_3dFont->var_C & (1 << 0))
+        {
+            _legacyType.image += (_3dFont->var_C >> 8) * 2;
+        }
+        else
+        {
+            _legacyType.image += (_3dFont->var_C >> 8) * 4;
+        }
+    }
+}
+
+void LargeSceneryObject::Unload()
+{
+    language_free_object_string(_legacyType.name);
+    gfx_object_free_images(_legacyType.image, ImageTable.GetCount());
+}
+
+const utf8 * LargeSceneryObject::GetName()
+{
+    return StringTable.GetString(OBJ_STRING_ID_NAME);
+}
+
+rct_large_scenery_tile * LargeSceneryObject::ReadTiles(IStream * stream)
+{
+    auto tiles = std::vector<rct_large_scenery_tile>();
+
+    uint16 tilesEndMarker;
+    while ((tilesEndMarker = stream->ReadValue<uint16>()) != 0xFFFF)
+    {
+        stream->Seek(-2, STREAM_SEEK_CURRENT);
+        auto tile = stream->ReadValue<rct_large_scenery_tile>();
+        tiles.push_back(tile);
+    }
+
+    return Memory::DuplicateArray(tiles.data(), tiles.size());
+}

src/object/LargeSceneryObject.h

@@ -0,0 +1,48 @@
+#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 LargeSceneryObject : public Object
+{
+private:
+    rct_scenery_entry           _legacyType;
+    rct_object_entry            _sceneryTabEntry;
+    rct_large_scenery_text *    _3dFont;
+    rct_large_scenery_tile *    _tiles;
+
+public:
+    explicit LargeSceneryObject(const rct_object_entry &entry) : Object(entry) { };
+    ~LargeSceneryObject();
+
+    void * GetLegacyData()  override { return &_legacyType; }
+
+    void ReadLegacy(IStream * stream) override;
+    void Load() override;
+    void Unload() override;
+
+    const utf8 * GetName() override;
+
+private:
+    static rct_large_scenery_tile * ReadTiles(IStream * stream);
+};

src/object/ObjectFactory.cpp

@@ -20,6 +20,7 @@
 #include "EntranceObject.h"
 #include "FootpathItemObject.h"
 #include "FootpathObject.h"
+#include "LargeSceneryObject.h"
 #include "Object.h"
 #include "ObjectFactory.h"
 #include "RideObject.h"
@@ -72,6 +73,9 @@ namespace ObjectFactory
         case OBJECT_TYPE_SMALL_SCENERY:
             result = new SmallSceneryObject(entry);
             break;
+        case OBJECT_TYPE_LARGE_SCENERY:
+            result = new LargeSceneryObject(entry);
+            break;
         case OBJECT_TYPE_PATHS:
             result = new FootpathObject(entry);
             break;