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Add dynamic exposure correction (#12959)

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* Add uniform for frame delta time
* Adjust exposure in logarithmic (EV) space
* Add network support and LUA API
* Add testing mod
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x2048 2023-01-06 22:33:25 +01:00 • committed by GitHub
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doc/lua_api.txt
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@ -7472,6 +7472,15 @@ child will follow movement and rotation of that bone.
* `shadows` is a table that controls ambient shadows
* `intensity` sets the intensity of the shadows from 0 (no shadows, default) to 1 (blackness)
* This value has no effect on clients who have the "Dynamic Shadows" shader disabled.
* `exposure` is a table that controls automatic exposure.
The basic exposure factor equation is `e = 2^exposure_correction / clamp(luminance, 2^luminance_min, 2^luminance_max)`
* `luminance_min` set the lower luminance boundary to use in the calculation
* `luminance_max` set the upper luminance boundary to use in the calculation
* `exposure_correction` correct observed exposure by the given EV value
* `speed_dark_bright` set the speed of adapting to bright light
* `speed_bright_dark` set the speed of adapting to dark scene
* `center_weight_power` set the power factor for center-weighted luminance measurement
* `get_lighting()`: returns the current state of lighting for the player.
* Result is a table with the same fields as `light_definition` in `set_lighting`.
* `respawn()`: Respawns the player using the same mechanism as the death screen,