From 6040f8eb3167ee84cac9de5e6e1a97aeb6a8c569 Mon Sep 17 00:00:00 2001
From: Shauren <shauren.trinity@gmail.com>
Date: Sun, 28 Jun 2020 12:26:39 +0200
Subject: Core/Collision: Port new parts for retrieving area/liquid data from
 gameobjects added when porting 42f9deb21ec68e169f7ed1c8cf14092f144b22da to
 3.3.5

---
 src/common/Collision/DynamicTree.cpp | 43 ++++++++++++++++++++++++++++++++++++
 1 file changed, 43 insertions(+)

(limited to 'src/common/Collision/DynamicTree.cpp')

diff --git a/src/common/Collision/DynamicTree.cpp b/src/common/Collision/DynamicTree.cpp
index aac78545524..ae215e0db4f 100644
--- a/src/common/Collision/DynamicTree.cpp
+++ b/src/common/Collision/DynamicTree.cpp
@@ -24,6 +24,9 @@
 #include "ModelInstance.h"
 #include "RegularGrid.h"
 #include "Timer.h"
+#include "VMapFactory.h"
+#include "VMapManager2.h"
+#include "WorldModel.h"
 #include <G3D/AABox.h>
 #include <G3D/Ray.h>
 #include <G3D/Vector3.h>
@@ -169,6 +172,25 @@ private:
     VMAP::AreaInfo _areaInfo;
 };
 
+struct DynamicTreeLocationInfoCallback
+{
+    DynamicTreeLocationInfoCallback(PhaseShift const& phaseShift) : _phaseShift(phaseShift), _hitModel(nullptr) {}
+
+    void operator()(G3D::Vector3 const& p, GameObjectModel const& obj)
+    {
+        if (obj.GetLocationInfo(p, _locationInfo, _phaseShift))
+            _hitModel = &obj;
+    }
+
+    VMAP::LocationInfo& GetLocationInfo() { return _locationInfo; }
+    GameObjectModel const* GetHitModel() const { return _hitModel; }
+
+private:
+    PhaseShift const& _phaseShift;
+    VMAP::LocationInfo _locationInfo;
+    GameObjectModel const* _hitModel;
+};
+
 bool DynamicMapTree::getIntersectionTime(G3D::Ray const& ray, G3D::Vector3 const& endPos, PhaseShift const& phaseShift, float& maxDist) const
 {
     float distance = maxDist;
@@ -260,3 +282,24 @@ bool DynamicMapTree::getAreaInfo(float x, float y, float& z, PhaseShift const& p
     }
     return false;
 }
+
+void DynamicMapTree::getAreaAndLiquidData(float x, float y, float z, PhaseShift const& phaseShift, uint8 /*reqLiquidType*/, VMAP::AreaAndLiquidData& /*data*/) const
+{
+    G3D::Vector3 v(x, y, z + 0.5f);
+    DynamicTreeLocationInfoCallback intersectionCallBack(phaseShift);
+    impl->intersectPoint(v, intersectionCallBack);
+    if (intersectionCallBack.GetLocationInfo().hitModel)
+    {/* For future use (needs cherry-pick f6c849729b27b77228704b595de3adaf24da2c10)
+        data.floorZ = intersectionCallBack.GetLocationInfo().ground_Z;
+        uint32 liquidType = intersectionCallBack.GetLocationInfo().hitModel->GetLiquidType();
+        float liquidLevel;
+        if (!reqLiquidType || (dynamic_cast<VMAP::VMapManager2*>(VMAP::VMapFactory::createOrGetVMapManager())->GetLiquidFlagsPtr(liquidType) & reqLiquidType))
+            if (intersectionCallBack.GetHitModel()->GetLiquidLevel(v, intersectionCallBack.GetLocationInfo(), liquidLevel))
+                data.liquidInfo = boost::in_place(liquidType, liquidLevel);
+
+        data.areaInfo = boost::in_place(intersectionCallBack.GetHitModel()->GetNameSetId(),
+            intersectionCallBack.GetLocationInfo().rootId,
+            intersectionCallBack.GetLocationInfo().hitModel->GetWmoID(),
+            intersectionCallBack.GetLocationInfo().hitModel->GetMogpFlags());
+    */}
+}
-- 
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