d9a415468b
Batch #16142 by Yommy: 1 byte-identical, 0 confirmed by peer review. - fn_02095 CRenderer::BlendColor: byte-identical Merged automatically: every function is byte-identical to the original.
15 lines
916 B
C++
15 lines
916 B
C++
#include "Render/BlendColor.h"
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// OFFSET: 0x0055CFC0
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// FUNCTION: fn_02095
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std::uint32_t CRenderer::BlendColor(std::uint32_t base, std::uint32_t overlay) {
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std::uint32_t result = base;
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const float alpha = static_cast<float>(static_cast<int>(overlay >> 24)) / 255.0f;
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const float inverse = 1.0f - alpha;
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auto* channels = reinterpret_cast<unsigned char*>(&result);
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channels[2] = static_cast<unsigned char>(static_cast<int>(static_cast<float>(channels[2]) * inverse + static_cast<float>(static_cast<unsigned char>(overlay >> 16)) * alpha));
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channels[1] = static_cast<unsigned char>(static_cast<int>(static_cast<float>(static_cast<unsigned char>(overlay >> 8)) * alpha + static_cast<float>(channels[1]) * inverse));
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channels[0] = static_cast<unsigned char>(static_cast<int>(static_cast<float>(channels[0]) * inverse + static_cast<float>(static_cast<unsigned char>(overlay)) * alpha));
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return result;
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}
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