From 2af6117ef8c0a7b935d80b4c6d94891c6d6a6719 Mon Sep 17 00:00:00 2001
From: Phillip Stephens <antidote.crk@gmail.com>
Date: Tue, 26 Apr 2016 17:26:02 -0700
Subject: [PATCH] More collision imps and stubs

---
 Runtime/Collision/CCollidableOBBTree.cpp      | 32 ++++++++++
 Runtime/Collision/CCollidableOBBTree.hpp      | 20 ++++++-
 Runtime/Collision/CCollidableOBBTreeGroup.cpp | 48 ++++++++++++++-
 Runtime/Collision/CCollidableOBBTreeGroup.hpp | 23 +++++++-
 Runtime/Collision/CCollisionPrimitive.cpp     | 29 +++++++++
 Runtime/Collision/CCollisionPrimitive.hpp     | 20 +++++++
 .../Collision/CInternalRayCastStructure.cpp   |  1 +
 .../Collision/CInternalRayCastStructure.hpp   | 33 +++++++++++
 Runtime/Collision/CMakeLists.txt              |  2 +
 Runtime/Collision/COBBTree.cpp                | 59 ++++++++++++++++++-
 Runtime/Collision/COBBTree.hpp                | 31 +++++++---
 Runtime/Collision/CRayCastResult.cpp          |  8 +++
 Runtime/Collision/CRayCastResult.hpp          | 11 +++-
 Runtime/World/CPhysicsActor.hpp               |  6 +-
 Runtime/World/CWorldLight.hpp                 |  6 +-
 15 files changed, 306 insertions(+), 23 deletions(-)
 create mode 100644 Runtime/Collision/CInternalRayCastStructure.cpp
 create mode 100644 Runtime/Collision/CInternalRayCastStructure.hpp

diff --git a/Runtime/Collision/CCollidableOBBTree.cpp b/Runtime/Collision/CCollidableOBBTree.cpp
index e69de29bb..445b40785 100644
--- a/Runtime/Collision/CCollidableOBBTree.cpp
+++ b/Runtime/Collision/CCollidableOBBTree.cpp
@@ -0,0 +1,32 @@
+#include "CCollidableOBBTree.hpp"
+
+namespace urde
+{
+
+CCollidableOBBTree::CCollidableOBBTree(const COBBTree* tree, const urde::CMaterialList& material)
+    : CCollisionPrimitive(material),
+      x10_tree((COBBTree*)tree)
+{
+
+}
+
+FourCC CCollidableOBBTree::GetPrimType() const
+{
+    return SBIG('OBBT');
+}
+
+CRayCastResult CCollidableOBBTree::CastRayInternal(const CInternalRayCastStructure&) const
+{
+
+}
+
+zeus::CAABox CCollidableOBBTree::CalculateAABox(const zeus::CTransform&) const
+{
+
+}
+
+zeus::CAABox CCollidableOBBTree::CalculateLocalAABox() const
+{
+}
+
+}
diff --git a/Runtime/Collision/CCollidableOBBTree.hpp b/Runtime/Collision/CCollidableOBBTree.hpp
index f7eb5c9d5..e3e3d5aac 100644
--- a/Runtime/Collision/CCollidableOBBTree.hpp
+++ b/Runtime/Collision/CCollidableOBBTree.hpp
@@ -1,11 +1,27 @@
 #ifndef __URDE_CCOLLIDABLEOBBTREE_HPP__
 #define __URDE_CCOLLIDABLEOBBTREE_HPP__
 
+#include "Collision/CCollisionPrimitive.hpp"
+#include "COBBTree.hpp"
+
 namespace urde
 {
-
-class CCollidableOBBTree
+class CCollidableOBBTree : public CCollisionPrimitive
 {
+    COBBTree* x10_tree = nullptr;
+    u32 x14_ = 0;
+    u32 x18_ = 0;
+    u32 x1c_ = 0;
+public:
+    CCollidableOBBTree(const COBBTree* tree, const CMaterialList& material);
+    virtual ~CCollidableOBBTree() {}
+    void ResetTestStats() const;
+    void ResetTestStatsRecurse(const COBBTree::CNode&) const;
+    u32 GetTableIndex() const { return -1; }
+    zeus::CAABox CalculateAABox(const zeus::CTransform &) const;
+    zeus::CAABox CalculateLocalAABox() const;
+    virtual FourCC GetPrimType() const;
+    virtual CRayCastResult CastRayInternal(const CInternalRayCastStructure&) const;
 };
 
 }
diff --git a/Runtime/Collision/CCollidableOBBTreeGroup.cpp b/Runtime/Collision/CCollidableOBBTreeGroup.cpp
index 8f2e76076..aea243748 100644
--- a/Runtime/Collision/CCollidableOBBTreeGroup.cpp
+++ b/Runtime/Collision/CCollidableOBBTreeGroup.cpp
@@ -1,9 +1,11 @@
 #include "CCollidableOBBTreeGroup.hpp"
-#include "COBBTree.hpp"
+#include "CCollidableOBBTree.hpp"
 #include "CToken.hpp"
 
 namespace urde
 {
+const CCollisionPrimitive::Type CCollidableOBBTreeGroup::sType(CCollidableOBBTreeGroup::SetStaticTableIndex, "CCollidableOBBTreeGroup");
+u32 CCollidableOBBTreeGroup::sTableIndex = -1;
 
 CCollidableOBBTreeGroup::CCollidableOBBTreeGroup(CInputStream& in)
 {
@@ -11,7 +13,49 @@ CCollidableOBBTreeGroup::CCollidableOBBTreeGroup(CInputStream& in)
     x0_trees.reserve(treeCount);
 
     for (u32 i = 0 ; i < treeCount ; i++)
-        x0_trees.push_back(in);
+    {
+        std::unique_ptr<COBBTree> tree(new COBBTree(in));
+        x0_trees.push_back(std::move(tree));
+    }
+
+    x10_aabbs.reserve(x0_trees.size());
+
+    for (const std::unique_ptr<COBBTree>& tree : x0_trees)
+        x10_aabbs.push_back(CCollidableOBBTree(tree.get(), CMaterialList()).CalculateLocalAABox());
+}
+
+u32 CCollidableOBBTreeGroup::GetTableIndex() const
+{
+
+}
+
+zeus::CAABox CCollidableOBBTreeGroup::CalculateAABox(const zeus::CTransform&) const
+{
+
+}
+
+zeus::CAABox CCollidableOBBTreeGroup::CalculateLocalAABox() const
+{
+
+}
+
+FourCC CCollidableOBBTreeGroup::GetPrimType() const
+{
+    return SBIG('OBTG');
+}
+
+CRayCastResult CCollidableOBBTreeGroup::CastRayInternal(const CInternalRayCastStructure&) const
+{
+}
+
+const CCollisionPrimitive::Type& CCollidableOBBTreeGroup::GetType()
+{
+    return sType;
+}
+
+void CCollidableOBBTreeGroup::SetStaticTableIndex(u32 index)
+{
+    sTableIndex = index;
 }
 
 CFactoryFnReturn FCollidableOBBTreeGroupFactory(const SObjectTag &tag, CInputStream &in,
diff --git a/Runtime/Collision/CCollidableOBBTreeGroup.hpp b/Runtime/Collision/CCollidableOBBTreeGroup.hpp
index c1c934e64..4f81b840d 100644
--- a/Runtime/Collision/CCollidableOBBTreeGroup.hpp
+++ b/Runtime/Collision/CCollidableOBBTreeGroup.hpp
@@ -3,14 +3,31 @@
 
 #include "IOStreams.hpp"
 #include "CFactoryMgr.hpp"
+#include "COBBTree.hpp"
+#include "zeus/CAABox.hpp"
+#include "CCollisionPrimitive.hpp"
+
 namespace urde
 {
-class COBBTree;
-class CCollidableOBBTreeGroup
+class CCollidableOBBTreeGroup : public CCollisionPrimitive
 {
-    std::vector<COBBTree> x0_trees;
+    static const CCollisionPrimitive::Type sType;
+    static u32 sTableIndex;
+    std::vector<std::unique_ptr<COBBTree>> x0_trees;
+    std::vector<zeus::CAABox> x10_aabbs;
 public:
     CCollidableOBBTreeGroup(CInputStream& in);
+    virtual ~CCollidableOBBTreeGroup() {}
+
+    void ResetTestStats() const;
+    virtual u32 GetTableIndex() const;
+    virtual zeus::CAABox CalculateAABox(const zeus::CTransform&) const;
+    virtual zeus::CAABox CalculateLocalAABox() const;
+    virtual FourCC GetPrimType() const;
+    virtual CRayCastResult CastRayInternal(const CInternalRayCastStructure&) const;
+
+    static const CCollisionPrimitive::Type& GetType();
+    static void SetStaticTableIndex(u32 index);
 };
 
 CFactoryFnReturn FCollidableOBBTreeGroupFactory(const SObjectTag &tag, CInputStream &in,
diff --git a/Runtime/Collision/CCollisionPrimitive.cpp b/Runtime/Collision/CCollisionPrimitive.cpp
index e69de29bb..67aa27441 100644
--- a/Runtime/Collision/CCollisionPrimitive.cpp
+++ b/Runtime/Collision/CCollisionPrimitive.cpp
@@ -0,0 +1,29 @@
+#include "CCollisionPrimitive.hpp"
+#include "CInternalRayCastStructure.hpp"
+#include "CMaterialFilter.hpp"
+
+namespace urde
+{
+CCollisionPrimitive::CCollisionPrimitive(const CMaterialList& list)
+    : x8_material(list)
+{
+}
+
+void CCollisionPrimitive::SetMaterial(const CMaterialList& material)
+{
+    x8_material = material;
+}
+
+const CMaterialList&CCollisionPrimitive::GetMaterial() const
+{
+    return x8_material;
+
+}
+
+CRayCastResult CCollisionPrimitive::CastRay(const zeus::CVector3f& start, const zeus::CVector3f& end, float d, const
+                                            CMaterialFilter& filter, const zeus::CTransform& xf) const
+{
+    return CastRayInternal(CInternalRayCastStructure(start, end, d, xf, filter));
+}
+
+}
diff --git a/Runtime/Collision/CCollisionPrimitive.hpp b/Runtime/Collision/CCollisionPrimitive.hpp
index 4457567ec..e67c09bca 100644
--- a/Runtime/Collision/CCollisionPrimitive.hpp
+++ b/Runtime/Collision/CCollisionPrimitive.hpp
@@ -2,11 +2,17 @@
 #define __URDE_CCOLLISIONPRIMITIVE_HPP__
 
 #include "Collision/CMaterialList.hpp"
+#include "CRayCastResult.hpp"
+#include "zeus/CAABox.hpp"
+
 #include <functional>
 
 namespace urde
 {
 
+class COBBTree;
+class CInternalRayCastStructure;
+class CMaterialFilter;
 class CCollisionPrimitive
 {
     CMaterialList x8_material;
@@ -34,6 +40,20 @@ public:
         }
     };
 
+    CCollisionPrimitive()=default;
+    CCollisionPrimitive(const CMaterialList& list);
+    virtual u32 GetTableIndex() const=0;
+    virtual void SetMaterial(const CMaterialList&);
+    virtual const CMaterialList& GetMaterial() const;
+    virtual zeus::CAABox CalculateAABox(const zeus::CTransform&) const=0;
+    virtual zeus::CAABox CalculateLocalAABox() const=0;
+    virtual FourCC GetPrimType() const=0;
+    virtual ~CCollisionPrimitive() {}
+    virtual CRayCastResult CastRayInternal(const CInternalRayCastStructure&) const=0;
+    CRayCastResult CastRay(const zeus::CVector3f&, const zeus::CVector3f&, float, const CMaterialFilter&,
+                           const zeus::CTransform&) const;
+
+
     static void InitBeginTypes();
     static void InitAddType(const Type& tp);
     static void InitEndTypes();
diff --git a/Runtime/Collision/CInternalRayCastStructure.cpp b/Runtime/Collision/CInternalRayCastStructure.cpp
new file mode 100644
index 000000000..ffac94d86
--- /dev/null
+++ b/Runtime/Collision/CInternalRayCastStructure.cpp
@@ -0,0 +1 @@
+#include "CInternalRayCastStructure.hpp"
diff --git a/Runtime/Collision/CInternalRayCastStructure.hpp b/Runtime/Collision/CInternalRayCastStructure.hpp
new file mode 100644
index 000000000..ce8f50ce8
--- /dev/null
+++ b/Runtime/Collision/CInternalRayCastStructure.hpp
@@ -0,0 +1,33 @@
+#ifndef __URDE_CINTERNALRAYCASTSTRUCTURE_HPP__
+#define __URDE_CINTERNALRAYCASTSTRUCTURE_HPP__
+
+#include "zeus/CTransform.hpp"
+#include "zeus/CMRay.hpp"
+#include "CMaterialFilter.hpp"
+namespace urde
+{
+class CInternalRayCastStructure
+{
+    zeus::CMRay x0_ray;
+    float x38_maxTime;
+    zeus::CTransform x3c_xf;
+    CMaterialFilter x6c_filter;
+public:
+    CInternalRayCastStructure(const zeus::CVector3f& start, const zeus::CVector3f& end, float d, const zeus::CTransform& xf,
+                              const CMaterialFilter& filter)
+        : x0_ray(start, end, d),
+          x3c_xf(xf),
+          x6c_filter(filter)
+    {
+    }
+
+    const zeus::CMRay& GetRay() const { return x0_ray; }
+    const zeus::CVector3f& GetStart() const { return x0_ray.start; }
+    const zeus::CVector3f& GetNormal() const { return x0_ray.normal; }
+    float GetMaxTime() const { return 0.f; }
+    const zeus::CTransform& GetTransform() const { return x3c_xf; }
+    const CMaterialFilter& GetFilter() const { return x6c_filter; }
+};
+}
+
+#endif // __URDE_CINTERNALRAYCASTSTRUCTURE_HPP__
diff --git a/Runtime/Collision/CMakeLists.txt b/Runtime/Collision/CMakeLists.txt
index f241968bd..f6e667126 100644
--- a/Runtime/Collision/CMakeLists.txt
+++ b/Runtime/Collision/CMakeLists.txt
@@ -5,8 +5,10 @@ set(COLLISION_SOURCES
     COBBTree.hpp COBBTree.cpp
     CCollidableOBBTree.hpp CCollidableOBBTree.cpp
     CCollidableOBBTreeGroup.hpp CCollidableOBBTreeGroup.cpp
+    CCollisionPrimitive.hpp CCollisionPrimitive.cpp
     CMaterialList.hpp
     CMaterialFilter.hpp CMaterialFilter.cpp
+    CInternalRayCastStructure.hpp CInternalRayCastStructure.cpp
     CRayCastResult.hpp CRayCastResult.cpp)
 
 runtime_add_list(Collision COLLISION_SOURCES)
diff --git a/Runtime/Collision/COBBTree.cpp b/Runtime/Collision/COBBTree.cpp
index f135780a2..f0f34bc5d 100644
--- a/Runtime/Collision/COBBTree.cpp
+++ b/Runtime/Collision/COBBTree.cpp
@@ -23,7 +23,8 @@ COBBTree::COBBTree(CInputStream& in)
     : x0_magic(verify_deaf_babe(in)),
       x4_version(verify_version(in)),
       x8_memsize(in.readUint32()),
-      x18_indexData(in)
+      x18_indexData(in),
+      x88_root(new CNode(in))
 {
 }
 
@@ -57,9 +58,65 @@ COBBTree::SIndexData::SIndexData(CInputStream& in)
         x60_.push_back(zeus::CVector3f::ReadBig(in));
 }
 
+COBBTree::CNode::CNode(const zeus::CTransform& xf, const zeus::CVector3f& point,
+                       const COBBTree::CNode* left, const COBBTree::CNode* right,
+                       const COBBTree::CLeafData* leaf)
+    : x0_obb(xf, point),
+      x3c_isLeaf(leaf != nullptr)
+{
+    x40_left.reset((CNode*)left);
+    x44_right.reset((CNode*)right);
+    x48_leaf.reset((CLeafData*)leaf);
+}
+
 COBBTree::CNode::CNode(CInputStream& in)
 {
     x0_obb = zeus::COBBox::ReadBig(in);
+    x3c_isLeaf = in.readBool();
+    if (x3c_isLeaf)
+        x48_leaf.reset(new CLeafData(in));
+    else
+    {
+        x40_left.reset(new CNode(in));
+        x44_right.reset(new CNode(in));
+    }
+}
+
+COBBTree::CNode* COBBTree::CNode::GetLeft() const
+{
+    return x40_left.get();
+}
+
+COBBTree::CNode*COBBTree::CNode::GetRight() const
+{
+    return x44_right.get();
+}
+
+COBBTree::CLeafData*COBBTree::CNode::GetLeafData() const
+{
+    return x48_leaf.get();
+}
+
+const zeus::COBBox& COBBTree::CNode::GetOBB() const
+{
+    return x0_obb;
+}
+
+COBBTree::CLeafData::CLeafData(const std::vector<u16>& surface)
+    : x0_surface(surface)
+{
+}
+
+const std::vector<u16>& COBBTree::CLeafData::GetSurfaceVector() const
+{
+    return x0_surface;
+}
+
+COBBTree::CLeafData::CLeafData(CInputStream& in)
+{
+    u32 edgeCount = in.readUint32Big();
+    for (u32 i = 0 ; i < edgeCount ; i++)
+        x0_surface.push_back(in.readUint16Big());
 }
 
 }
diff --git a/Runtime/Collision/COBBTree.hpp b/Runtime/Collision/COBBTree.hpp
index a43d3c336..285a9bacf 100644
--- a/Runtime/Collision/COBBTree.hpp
+++ b/Runtime/Collision/COBBTree.hpp
@@ -23,20 +23,36 @@ public:
         SIndexData(CInputStream&);
     };
 
-    class CNodeLeafData
+    class CLeafData
     {
+        std::vector<u16> x0_surface;
+    public:
+        CLeafData()=default;
+        CLeafData(const std::vector<u16>&);
+        CLeafData(CInputStream&);
+
+        const std::vector<u16>& GetSurfaceVector() const;
     };
 
     class CNode
     {
         zeus::COBBox x0_obb;
-        bool x3c_ = false;
-        std::unique_ptr<CNode> x40_;
-        std::unique_ptr<CNode> x44_;
-        std::unique_ptr<CNodeLeafData> x48_;
+        bool x3c_isLeaf = false;
+        std::unique_ptr<CNode> x40_left;
+        std::unique_ptr<CNode> x44_right;
+        std::unique_ptr<CLeafData> x48_leaf;
     public:
         CNode() = default;
+        CNode(const CNode&)=default;
+        CNode(const zeus::CTransform&, const zeus::CVector3f&, const CNode*, const CNode*, const CLeafData*);
         CNode(CInputStream&);
+
+        bool WasHit() const;
+        void SetWasHit(bool) const;
+        CNode* GetLeft() const;
+        CNode* GetRight() const;
+        CLeafData* GetLeafData() const;
+        const zeus::COBBox& GetOBB() const;
     };
 
 private:
@@ -46,10 +62,9 @@ private:
     u32 x8_memsize = 0;
     /* CSimpleAllocator xc_ We're not using this but lets keep track*/
     SIndexData x18_indexData;
-    std::unique_ptr<CNode> x88_root;
+    std::unique_ptr<const CNode> x88_root;
 public:
-
-
+    COBBTree()=default;
     COBBTree(const COBBTree::SIndexData&, const CNode*);
     COBBTree(CInputStream&);
 };
diff --git a/Runtime/Collision/CRayCastResult.cpp b/Runtime/Collision/CRayCastResult.cpp
index 9f1387afe..4825a19e1 100644
--- a/Runtime/Collision/CRayCastResult.cpp
+++ b/Runtime/Collision/CRayCastResult.cpp
@@ -1,2 +1,10 @@
 #include "CRayCastResult.hpp"
 
+
+namespace urde
+{
+const CMaterialList& CRayCastResult::GetMaterial() const
+{
+    return x28_material;
+}
+}
diff --git a/Runtime/Collision/CRayCastResult.hpp b/Runtime/Collision/CRayCastResult.hpp
index d816ee7cd..f9f39ae8a 100644
--- a/Runtime/Collision/CRayCastResult.hpp
+++ b/Runtime/Collision/CRayCastResult.hpp
@@ -21,9 +21,18 @@ private:
     CMaterialList x28_material;
 public:
     CRayCastResult();
-    CRayCastResult(float, const zeus::CVector3f&, const zeus::CPlane, const CMaterialList& matList)
+    CRayCastResult(const CRayCastResult& other, EInvalid) {}
+    CRayCastResult(float, const zeus::CVector3f&, const zeus::CPlane& plane, const CMaterialList& matList)
         : x28_material(matList)
     {}
+
+    void MakeInvalid();
+    bool IsInvalid() const;
+    float GetTime() const;
+    const zeus::CVector3f& GetPoint() const;
+    const zeus::CPlane& GetPlane() const;
+    const CMaterialList& GetMaterial() const;
+    void Transform(const zeus::CTransform&);
 };
 }
 
diff --git a/Runtime/World/CPhysicsActor.hpp b/Runtime/World/CPhysicsActor.hpp
index def94dd27..8e6b1e54c 100644
--- a/Runtime/World/CPhysicsActor.hpp
+++ b/Runtime/World/CPhysicsActor.hpp
@@ -28,7 +28,7 @@ protected:
     float xf0_inertialTensor;
     float xf4_inertialTensorRecip;
     zeus::CAABox x1a4_baseBoundingBox;
-    CCollisionPrimitive x1c0_collisionPrimitive;
+    std::unique_ptr<CCollisionPrimitive> x1c0_collisionPrimitive;
     zeus::CVector3f x1e8_primitiveOffset;
     float x23c_stepUpHeight;
     float x240_stepDownHeight;
@@ -114,8 +114,8 @@ public:
         return zeus::CTransform();
     }
 
-    const CCollisionPrimitive& GetCollisionPrimitive() const
-    { return x1c0_collisionPrimitive; }
+    const CCollisionPrimitive* GetCollisionPrimitive() const
+    { return x1c0_collisionPrimitive.get(); }
 
     void SetInertiaTensorScalar(float tensor)
     {
diff --git a/Runtime/World/CWorldLight.hpp b/Runtime/World/CWorldLight.hpp
index e4034ecec..f01a4cc9d 100644
--- a/Runtime/World/CWorldLight.hpp
+++ b/Runtime/World/CWorldLight.hpp
@@ -1,5 +1,5 @@
-#ifndef CWORLDLIGHT_HPP
-#define CWORLDLIGHT_HPP
+#ifndef __URDE_CWORLDLIGHT_HPP__
+#define __URDE_CWORLDLIGHT_HPP__
 
 #include "Graphics/CLight.hpp"
 
@@ -31,4 +31,4 @@ public:
 
 }
 
-#endif // CWORLDLIGHT_HPP
+#endif // __URDE_CWORLDLIGHT_HPP__