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Refactor fog shader to reuse Irrlicht values

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This commit is contained in:
sfan5
2024-02-21 21:15:50 +01:00
parent dce166dc93
commit d85c842ce9
3 changed files with 76 additions and 47 deletions
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43
src/client/renderingengine.cpp
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@@ -44,7 +44,7 @@ RenderingEngine *RenderingEngine::s_singleton = nullptr;
const video::SColor RenderingEngine::MENU_SKY_COLOR = video::SColor(255, 140, 186, 250);
const float RenderingEngine::BASE_BLOOM_STRENGTH = 1.0f;
/* Helper stuff */
/* Helper classes */
void FpsControl::reset()
{
@@ -85,6 +85,47 @@ void FpsControl::limit(IrrlichtDevice *device, f32 *dtime, bool assume_paused)
last_time = time;
}
class FogShaderConstantSetter : public IShaderConstantSetter
{
CachedPixelShaderSetting<float, 4> m_fog_color{"fogColor"};
CachedPixelShaderSetting<float> m_fog_distance{"fogDistance"};
CachedPixelShaderSetting<float> m_fog_shading_parameter{"fogShadingParameter"};
public:
void onSetConstants(video::IMaterialRendererServices *services) override
{
auto *driver = RenderingEngine::get_video_driver();
assert(driver);
video::SColor fog_color(0);
video::E_FOG_TYPE fog_type = video::EFT_FOG_LINEAR;
f32 fog_start = 0;
f32 fog_end = 0;
f32 fog_density = 0;
bool fog_pixelfog = false;
bool fog_rangefog = false;
driver->getFog(fog_color, fog_type, fog_start, fog_end, fog_density,
fog_pixelfog, fog_rangefog);
video::SColorf fog_colorf(fog_color);
m_fog_color.set(fog_colorf, services);
m_fog_distance.set(&fog_end, services);
float parameter = 0;
if (fog_end > 0)
parameter = 1.0f / (1.0f - fog_start / fog_end);
m_fog_shading_parameter.set(&parameter, services);
}
};
IShaderConstantSetter *FogShaderConstantSetterFactory::create()
{
return new FogShaderConstantSetter();
}
/* Other helpers */
static gui::GUISkin *createSkin(gui::IGUIEnvironment *environment,
gui::EGUI_SKIN_TYPE type, video::IVideoDriver *driver)
{