add drawing of other object previews

src/object/BannerObject.cpp

@@ -68,6 +68,16 @@ void BannerObject::Unload()
     gfx_object_free_images(_legacyType.image, GetImageTable()->GetCount());
 }
 
+void BannerObject::DrawPreview(rct_drawpixelinfo * dpi) const
+{
+    int x = dpi->width / 2;
+    int y = dpi->height / 2;
+
+    uint32 imageId = 0x20D00000 | _legacyType.image;
+    gfx_draw_sprite(dpi, imageId + 0, x - 12, y + 8, 0);
+    gfx_draw_sprite(dpi, imageId + 1, x - 12, y + 8, 0);
+}
+
 const utf8 * BannerObject::GetName() const
 {
     const utf8 * name = GetStringTable()->GetString(OBJ_STRING_ID_NAME);

src/object/BannerObject.h

@@ -38,5 +38,7 @@ public:
     void Load() override;
     void Unload() override;
 
+    void DrawPreview(rct_drawpixelinfo * dpi) const override;
+
     const utf8 * GetName() const override;
 };

src/object/EntranceObject.cpp

@@ -51,6 +51,17 @@ void EntranceObject::Unload()
     gfx_object_free_images(_legacyType.image_id, GetImageTable()->GetCount());
 }
 
+void EntranceObject::DrawPreview(rct_drawpixelinfo * dpi) const
+{
+    int x = dpi->width / 2;
+    int y = dpi->height / 2;
+
+    uint32 imageId = _legacyType.image_id;
+    gfx_draw_sprite(dpi, imageId + 1, x - 32, y + 14, 0);
+    gfx_draw_sprite(dpi, imageId + 0, x +  0, y + 28, 0);
+    gfx_draw_sprite(dpi, imageId + 2, x + 32, y + 44, 0);
+}
+
 const utf8 * EntranceObject::GetName() const
 {
     const utf8 * name = GetStringTable()->GetString(OBJ_STRING_ID_NAME);

src/object/EntranceObject.h

@@ -37,5 +37,7 @@ public:
     void Load() override;
     void Unload() override;
 
+    void DrawPreview(rct_drawpixelinfo * dpi) const override;
+
     const utf8 * GetName() const override;
 };

src/object/FootpathItemObject.cpp

@@ -67,6 +67,13 @@ void FootpathItemObject::Unload()
     gfx_object_free_images(_legacyType.image, GetImageTable()->GetCount());
 }
 
+void FootpathItemObject::DrawPreview(rct_drawpixelinfo * dpi) const
+{
+    int x = dpi->width / 2;
+    int y = dpi->height / 2;
+    gfx_draw_sprite(dpi, _legacyType.image, x - 22, y - 24, 0);
+}
+
 const utf8 * FootpathItemObject::GetName() const
 {
     const utf8 * name = GetStringTable()->GetString(OBJ_STRING_ID_NAME);

src/object/FootpathItemObject.h

@@ -38,5 +38,7 @@ public:
     void Load() override;
     void Unload() override;
 
+    void DrawPreview(rct_drawpixelinfo * dpi) const override;
+
     const utf8 * GetName() const override;
 };

src/object/FootpathObject.cpp

@@ -56,6 +56,14 @@ void FootpathObject::Unload()
     gfx_object_free_images(_legacyType.image, GetImageTable()->GetCount());
 }
 
+void FootpathObject::DrawPreview(rct_drawpixelinfo * dpi) const
+{
+    int x = dpi->width / 2;
+    int y = dpi->height / 2;
+    gfx_draw_sprite(dpi, _legacyType.image + 71, x - 49, y - 17, 0);
+    gfx_draw_sprite(dpi, _legacyType.image + 72, x + 4, y - 17, 0);
+}
+
 const utf8 * FootpathObject::GetName() const
 {
     const utf8 * name = GetStringTable()->GetString(OBJ_STRING_ID_NAME);

src/object/FootpathObject.h

@@ -37,5 +37,7 @@ public:
     void Load() override;
     void Unload() override;
 
+    void DrawPreview(rct_drawpixelinfo * dpi) const override;
+
     const utf8 * GetName() const override;
 };

src/object/LargeSceneryObject.cpp

@@ -102,6 +102,15 @@ void LargeSceneryObject::Unload()
     gfx_object_free_images(_legacyType.image, GetImageTable()->GetCount());
 }
 
+void LargeSceneryObject::DrawPreview(rct_drawpixelinfo * dpi) const
+{
+    int x = dpi->width / 2;
+    int y = (dpi->height / 2) - 39;
+
+    uint32 imageId = 0xB2D00000 | _legacyType.image;
+    gfx_draw_sprite(dpi, imageId, x, y, 0);
+}
+
 const utf8 * LargeSceneryObject::GetName() const
 {
     const utf8 * name = GetStringTable()->GetString(OBJ_STRING_ID_NAME);

src/object/LargeSceneryObject.h

@@ -41,6 +41,8 @@ public:
     void Load() override;
     void Unload() override;
 
+    void DrawPreview(rct_drawpixelinfo * dpi) const override;
+
     const utf8 * GetName() const override;
 
 private:

src/object/RideObject.h

@@ -40,7 +40,7 @@ public:
     void Load() override;
     void Unload() override;
 
-    void DrawPreview(rct_drawpixelinfo * dpi) const;
+    void DrawPreview(rct_drawpixelinfo * dpi) const override;
 
     const utf8 * GetName() const override;
     const utf8 * GetDescription() const;

src/object/SceneryGroupObject.cpp

@@ -85,6 +85,15 @@ void SceneryGroupObject::Unload()
     gfx_object_free_images(_legacyType.image, GetImageTable()->GetCount());
 }
 
+void SceneryGroupObject::DrawPreview(rct_drawpixelinfo * dpi) const
+{
+    int x = dpi->width / 2;
+    int y = dpi->height / 2;
+
+    uint32 imageId = _legacyType.image + 0x20600001;
+    gfx_draw_sprite(dpi, imageId, x - 15, y - 14, 0);
+}
+
 const utf8 * SceneryGroupObject::GetName() const
 {
     const utf8 * name = GetStringTable()->GetString(OBJ_STRING_ID_NAME);

src/object/SceneryGroupObject.h

@@ -40,6 +40,8 @@ public:
     void Load() override;
     void Unload() override;
 
+    void DrawPreview(rct_drawpixelinfo * dpi) const override;
+
     const utf8 * GetName() const override;
 
 private:

src/object/SmallSceneryObject.h

@@ -40,7 +40,7 @@ public:
     void Load() override;
     void Unload() override;
 
-    void DrawPreview(rct_drawpixelinfo * dpi) const;
+    void DrawPreview(rct_drawpixelinfo * dpi) const override;
 
     const utf8 * GetName() const override;
 

src/object/StexObject.cpp

@@ -56,6 +56,14 @@ void StexObject::Unload()
     language_free_object_string(_legacyType.details);
 }
 
+void StexObject::DrawPreview(rct_drawpixelinfo * dpi) const
+{
+    // Write (no image)
+    int x = dpi->width / 2;
+    int y = dpi->height / 2;
+    gfx_draw_string_centred(dpi, 3326, x, y, 0, nullptr);
+}
+
 const utf8 * StexObject::GetName() const
 {
     return GetScenarioName();

src/object/StexObject.h

@@ -37,6 +37,8 @@ public:
     void Load() override;
     void Unload() override;
 
+    void DrawPreview(rct_drawpixelinfo * dpi) const override;
+
     const utf8 * GetName() const override;
 
     const utf8 * GetScenarioName() const;

src/object/WallObject.cpp

@@ -71,6 +71,34 @@ void WallObject::Unload()
     gfx_object_free_images(_legacyType.image, GetImageTable()->GetCount());
 }
 
+void WallObject::DrawPreview(rct_drawpixelinfo * dpi) const
+{
+    int x = dpi->width / 2;
+    int y = dpi->height / 2;
+
+    x += 14;
+    y += (_legacyType.wall.height * 2) + 16;
+
+    uint32 imageId = 0x20D00000 | _legacyType.image;
+    if (_legacyType.wall.flags & WALL_SCENERY_HAS_SECONDARY_COLOUR)
+    {
+        imageId |= 0x92000000;
+    }
+
+    gfx_draw_sprite(dpi, imageId, x, y, 0);
+
+    if (_legacyType.wall.flags & WALL_SCENERY_FLAG2)
+    {
+        imageId = _legacyType.image + 0x44500006;
+        gfx_draw_sprite(dpi, imageId, x, y, 0);
+    }
+    else if (_legacyType.wall.flags & WALL_SCENERY_IS_DOOR)
+    {
+        imageId++;
+        gfx_draw_sprite(dpi, imageId, x, y, 0);
+    }
+}
+
 const utf8 * WallObject::GetName() const
 {
     const utf8 * name = GetStringTable()->GetString(OBJ_STRING_ID_NAME);

src/object/WallObject.h

@@ -38,5 +38,7 @@ public:
     void Load() override;
     void Unload() override;
 
+    void DrawPreview(rct_drawpixelinfo * dpi) const override;
+
     const utf8 * GetName() const override;
 };

src/object/WaterObject.cpp

@@ -67,7 +67,6 @@ void WaterObject::DrawPreview(rct_drawpixelinfo * dpi) const
     gfx_draw_string_centred(dpi, 3326, x, y, 0, nullptr);
 }
 
-
 const utf8 * WaterObject::GetName() const
 {
     const utf8 * name = GetStringTable()->GetString(OBJ_STRING_ID_NAME);