Core/Maps: Implemented getting area id from gameobject spawns

Yes, you can now spawn LK platform anywhere and it will treat you as inside Icecrown Citadel

(cherry picked from commit 42f9deb21ec68e169f7ed1c8cf14092f144b22da)

1 files changed, 64 insertions, 0 deletions

diff --git a/src/common/Collision/Models/GameObjectModel.cpp b/src/common/Collision/Models/GameObjectModel.cpp
index 54b48714c90..2c95187fbb2 100644
--- a/src/common/Collision/Models/GameObjectModel.cpp
+++ b/src/common/Collision/Models/GameObjectModel.cpp
@@ -146,6 +146,7 @@ bool GameObjectModel::initialize(std::unique_ptr<GameObjectModelOwnerBase> model
 #endif
 
     owner = std::move(modelOwner);
+    isWmo = it->second.isWmo;
     return true;
 }
 
@@ -183,6 +184,69 @@ bool GameObjectModel::intersectRay(const G3D::Ray& ray, float& MaxDist, bool Sto
     return hit;
 }
 
+void GameObjectModel::intersectPoint(G3D::Vector3 const& point, VMAP::AreaInfo& info, uint32 ph_mask) const
+{
+    if (!(phasemask & ph_mask) || !owner->IsSpawned() || !isMapObject())
+        return;
+
+    if (!iBound.contains(point))
+        return;
+
+    // child bounds are defined in object space:
+    Vector3 pModel = iInvRot * (point - iPos) * iInvScale;
+    Vector3 zDirModel = iInvRot * Vector3(0.f, 0.f, -1.f);
+    float zDist;
+    if (iModel->IntersectPoint(pModel, zDirModel, zDist, info))
+    {
+        Vector3 modelGround = pModel + zDist * zDirModel;
+        float world_Z = ((modelGround * iInvRot) * iScale + iPos).z;
+        if (info.ground_Z < world_Z)
+            info.ground_Z = world_Z;
+    }
+}
+
+bool GameObjectModel::GetLocationInfo(G3D::Vector3 const& point, VMAP::LocationInfo& info, uint32 ph_mask) const
+{
+    if (!(phasemask & ph_mask) || !owner->IsSpawned() || !isMapObject())
+        return false;
+
+    if (!iBound.contains(point))
+        return false;
+
+    // child bounds are defined in object space:
+    Vector3 pModel = iInvRot * (point - iPos) * iInvScale;
+    Vector3 zDirModel = iInvRot * Vector3(0.f, 0.f, -1.f);
+    float zDist;
+    if (iModel->GetLocationInfo(pModel, zDirModel, zDist, info))
+    {
+        Vector3 modelGround = pModel + zDist * zDirModel;
+        float world_Z = ((modelGround * iInvRot) * iScale + iPos).z;
+        if (info.ground_Z < world_Z)
+        {
+            info.ground_Z = world_Z;
+            return true;
+        }
+    }
+
+    return false;
+}
+
+bool GameObjectModel::GetLiquidLevel(G3D::Vector3 const& point, VMAP::LocationInfo& info, float& liqHeight) const
+{
+    // child bounds are defined in object space:
+    Vector3 pModel = iInvRot * (point - iPos) * iInvScale;
+    //Vector3 zDirModel = iInvRot * Vector3(0.f, 0.f, -1.f);
+    float zDist;
+    if (info.hitModel->GetLiquidLevel(pModel, zDist))
+    {
+        // calculate world height (zDist in model coords):
+        // assume WMO not tilted (wouldn't make much sense anyway)
+        liqHeight = zDist * iScale + iPos.z;
+        return true;
+    }
+    return false;
+}
+
 bool GameObjectModel::UpdatePosition()
 {
     if (!iModel)