diff options
Diffstat (limited to 'src/render/Occlusion.cpp')
| -rw-r--r-- | src/render/Occlusion.cpp | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/src/render/Occlusion.cpp b/src/render/Occlusion.cpp index 5fef6e21..2b15e75b 100644 --- a/src/render/Occlusion.cpp +++ b/src/render/Occlusion.cpp @@ -1,6 +1,7 @@ #include "common.h" #include "main.h" +#include "Entity.h" #include "Occlusion.h" #include "Game.h" #include "Camera.h" @@ -493,3 +494,36 @@ void COcclusion::Render() { DefinedState(); } #endif + +bool CEntity::IsEntityOccluded(void) { + + CVector coors; + float width, height; + + if (COcclusion::NumActiveOccluders == 0 || !CalcScreenCoors(GetBoundCentre(), &coors, &width, &height)) + return false; + + float area = Max(width, height) * GetBoundRadius() * 0.9f; + + for (int i = 0; i < COcclusion::NumActiveOccluders; i++) { + if (coors.z - (GetBoundRadius() * 0.85f) > COcclusion::aActiveOccluders[i].radius) { + if (COcclusion::aActiveOccluders[i].IsPointWithinOcclusionArea(coors.x, coors.y, area)) { + return true; + } + + if (COcclusion::aActiveOccluders[i].IsPointWithinOcclusionArea(coors.x, coors.y, 0.0f)) { + CVector min = m_matrix * CModelInfo::GetModelInfo(GetModelIndex())->GetColModel()->boundingBox.min; + CVector max = m_matrix * CModelInfo::GetModelInfo(GetModelIndex())->GetColModel()->boundingBox.max; + + if (CalcScreenCoors(min, &coors) && !COcclusion::aActiveOccluders[i].IsPointWithinOcclusionArea(coors.x, coors.y, 0.0f)) continue; + if (CalcScreenCoors(CVector(max.x, max.y, min.z), &coors) && !COcclusion::aActiveOccluders[i].IsPointWithinOcclusionArea(coors.x, coors.y, 0.0f)) continue; + if (CalcScreenCoors(CVector(max.x, min.y, max.z), &coors) && !COcclusion::aActiveOccluders[i].IsPointWithinOcclusionArea(coors.x, coors.y, 0.0f)) continue; + if (CalcScreenCoors(CVector(min.x, max.y, max.z), &coors) && !COcclusion::aActiveOccluders[i].IsPointWithinOcclusionArea(coors.x, coors.y, 0.0f)) continue; + + return true; + } + } + } + + return false; +}
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