match alpha to previous translucent drawing

HeliumAnt · HeliumAnt · commit 23f40a516d17 · 2024-11-03T03:08:23.000+01:00
diff --git a/Source/Managers/FrameMan.cpp b/Source/Managers/FrameMan.cpp
@@ -472,7 +472,8 @@ void FrameMan::SetTransTableFromPreset(TransparencyPreset transPreset) {
 		color_map = &m_ColorTables[DrawBlendMode::BlendTransparency].at(colorChannelBlendAmounts).first;
 		m_ColorTables[DrawBlendMode::BlendTransparency].at(colorChannelBlendAmounts).second = -1;
 	}
-	m_CurrentAlpha = 255 - transPreset;
+	constexpr int transparencyPresetCount = BlendAmountLimits::MaxBlend / c_BlendAmountStep;
+	m_CurrentAlpha = 255 - (static_cast<int>(255.0F * ((1.0F / static_cast<float>(transparencyPresetCount)) * static_cast<float>(transPreset / c_BlendAmountStep))));
 }
 
 void FrameMan::CreateNewNetworkPlayerBackBuffer(int player, int width, int height) {

Original file line number	Diff line number	Diff line change
`@@ -472,7 +472,8 @@ void FrameMan::SetTransTableFromPreset(TransparencyPreset transPreset) {`
`472`	`472`	`color_map = &m_ColorTables[DrawBlendMode::BlendTransparency].at(colorChannelBlendAmounts).first;`
`473`	`473`	`m_ColorTables[DrawBlendMode::BlendTransparency].at(colorChannelBlendAmounts).second = -1;`
`474`	`474`	`}`
`475`		`- m_CurrentAlpha = 255 - transPreset;`
	`475`	`+ constexpr int transparencyPresetCount = BlendAmountLimits::MaxBlend / c_BlendAmountStep;`
	`476`	`+ m_CurrentAlpha = 255 - (static_cast<int>(255.0F * ((1.0F / static_cast<float>(transparencyPresetCount)) * static_cast<float>(transPreset / c_BlendAmountStep))));`
`476`	`477`	`}`
`477`	`478`
`478`	`479`	`void FrameMan::CreateNewNetworkPlayerBackBuffer(int player, int width, int height) {`