drinkingtea/nostalgia
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[nostalgia/core] Make invalid palette lookups return 0 instead of garbage memory

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This commit is contained in:
Gary Talent 2022-07-30 14:47:44 -05:00
parent c8dc14dd8e
commit 29fd9b8c4f
2 changed files with 8 additions and 1 deletions
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7
src/nostalgia/core/gfx.hpp
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@ -39,6 +39,13 @@ struct Palette {
static constexpr auto TypeName = "net.drinkingtea.nostalgia.core.Palette";
static constexpr auto TypeVersion = 1;
ox::Vector<Color16> colors = {};
[[nodiscard]]
constexpr Color16 color(auto idx) const noexcept {
if (idx < colors.size()) [[likely]] {
return colors[idx];
}
return 0;
}
};
// Predecessor to TileSheet, kept for backward compatibility

2
src/nostalgia/core/studio/tilesheetpixels.cpp
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@ -93,7 +93,7 @@ void TileSheetPixels::setBufferObjects(const geo::Vec2 &paneSize) noexcept {
m_bufferSet.elements.resize(pixels * VertexEboLength);
// set pixels
subSheet->walkPixels(m_model->img().bpp, [&](std::size_t i, uint8_t p) {
auto color = pal->colors[p];
auto color = pal->color(p);
const auto pt = idxToPt(static_cast<int>(i), subSheet->columns);
const auto fx = static_cast<float>(pt.x);
const auto fy = static_cast<float>(pt.y);