49 lines
1.5 KiB
Ucode
49 lines
1.5 KiB
Ucode
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/**
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*
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* Copyright 1998-2013 Epic Games, Inc. All Rights Reserved.
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*/
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class ScriptedTexture extends TextureRenderTarget2D
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native(Texture);
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/** whether the texture needs to be redrawn. Render() will be called at the end of the tick, just before all other rendering. */
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var transient bool bNeedsUpdate;
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/** whether or not to clear the texture before the next call of the Render delegate */
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var transient bool bSkipNextClear;
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cpptext
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{
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/** global list of scripted textures that should be updated */
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static TArray<UScriptedTexture*> GScriptedTextures;
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UScriptedTexture();
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virtual void BeginDestroy();
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virtual void UpdateResource();
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/** calls Render() (after setting up Canvas, etc) if the scripted texture needs an update */
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void CheckUpdate();
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protected:
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/** native rendering hook. Default implementation just calls script delegate. */
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virtual void Render(UCanvas* C);
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}
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/**
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* Called whenever bNeedsUpdate is true to update the texture. The texture is cleared to ClearColor prior to calling this function
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* (unless bSkipNextClear is set to true).
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* bNeedsUpdate is reset before calling this function, so you can set it to true here to get another update next tick.
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* bSkipNextClear is reset to false before calling this function, so set it to true here whenever you want the next clear to be skipped
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*/
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delegate Render(Canvas C);
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defaultproperties
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{
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bNeedsUpdate=true
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bNeedsTwoCopies=false
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bSkipNextClear=false
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AddressX=TA_Clamp
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AddressY=TA_Clamp
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}
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