forked from Mirrors/openclonk
76 lines
1.4 KiB
C++
76 lines
1.4 KiB
C++
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#include "C4Include.h"
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#include "C4FoW.h"
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#include <float.h>
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C4FoW::C4FoW()
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: pLights(NULL)
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{
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}
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void C4FoW::Add(C4Object *pObj)
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{
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// No view range? Probably want to remove instead
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if(!pObj->PlrViewRange)
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{
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Remove(pObj);
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return;
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}
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// Look for matching light
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C4FoWLight *pLight;
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for (pLight = pLights; pLight; pLight = pLight->getNext())
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if (pLight->getObj() == pObj)
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break;
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if (pLight)
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{
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// Update reach
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pLight->SetReach(pObj->PlrViewRange, 50);
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}
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else
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{
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// Create new light otherwise
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pLight = new C4FoWLight(pObj);
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pLight->pNext = pLights;
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pLights = pLight;
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}
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}
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void C4FoW::Remove(C4Object *pObj)
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{
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// Look for matching light
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C4FoWLight *pPrev = NULL, *pLight;
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for (pLight = pLights; pLight; pPrev = pLight, pLight = pLight->getNext())
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if (pLight->getObj() == pObj)
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break;
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if (!pLight)
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return;
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// Remove
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(pPrev ? pLights : pPrev->pNext) = pLight->getNext();
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delete pLight;
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}
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void C4FoW::Invalidate(C4Rect r)
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{
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for (C4FoWLight *pLight = pLights; pLight; pLight = pLight->getNext())
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pLight->Invalidate(r);
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}
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void C4FoW::Update(C4Rect r)
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{
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for (C4FoWLight *pLight = pLights; pLight; pLight = pLight->getNext())
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pLight->Update(r);
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}
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void C4FoW::Render(C4FoWRegion *pRegion, const C4TargetFacet *pOnScreen)
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{
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for (C4FoWLight *pLight = pLights; pLight; pLight = pLight->getNext())
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pLight->Render(pRegion, pOnScreen);
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} |