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Code Issues Releases Wiki Activity

Rewrite ParkPreview::drawPreviewImage to use SPR_TEMP

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mix
2025-05-21 00:03:35 +02:00
committed by Aaron van Geffen
parent ed6aa6c356
commit 8c8d3435f1
1 changed files with 8 additions and 20 deletions
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28
src/openrct2/park/ParkPreview.cpp
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@@ -12,6 +12,7 @@
#include "../Context.h"
#include "../GameState.h"
#include "../OpenRCT2.h"
#include "../SpriteIds.h"
#include "../core/Numerics.hpp"
#include "../drawing/Drawing.h"
#include "../drawing/X8DrawingEngine.h"
@@ -244,27 +245,14 @@ namespace OpenRCT2
void drawPreviewImage(const PreviewImage& image, RenderTarget& rt, ScreenCoordsXY screenPos)
{
auto* drawingEngine = GetContext()->GetDrawingEngine();
if (drawingEngine == nullptr)
return;
G1Element g1temp = {};
g1temp.offset = const_cast<uint8_t*>(image.pixels);
g1temp.width = image.width;
g1temp.height = image.height;
const auto imageId = ImageId(0);
auto* g1 = const_cast<G1Element*>(GfxGetG1Element(imageId));
if (g1 != nullptr)
{
// Temporarily substitute a G1 image with the data in the preview image
const auto backupG1 = *g1;
*g1 = {};
g1->offset = const_cast<uint8_t*>(image.pixels);
g1->width = image.width;
g1->height = image.height;
drawingEngine->InvalidateImage(imageId.GetIndex());
// Draw preview image and restore original G1 image
GfxDrawSprite(rt, imageId, screenPos);
*g1 = backupG1;
drawingEngine->InvalidateImage(imageId.GetIndex());
}
GfxSetG1Element(SPR_TEMP, &g1temp);
DrawingEngineInvalidateImage(SPR_TEMP);
GfxDrawSprite(rt, ImageId(SPR_TEMP), screenPos);
}
} // namespace OpenRCT2