1 files changed, 216 insertions, 0 deletions
diff --git a/src/common/Collision/Models/GameObjectModel.cpp b/src/common/Collision/Models/GameObjectModel.cpp
new file mode 100644
index 00000000000..dbdc0554e06
--- /dev/null
+++ b/src/common/Collision/Models/GameObjectModel.cpp
@@ -0,0 +1,216 @@
+/*
+ * Copyright (C) 2008-2015 TrinityCore <http://www.trinitycore.org/>
+ * Copyright (C) 2005-2009 MaNGOS <http://getmangos.com/>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "VMapFactory.h"
+#include "VMapManager2.h"
+#include "VMapDefinitions.h"
+#include "WorldModel.h"
+#include "GameObjectModel.h"
+#include "Log.h"
+#include "Timer.h"
+
+using G3D::Vector3;
+using G3D::Ray;
+using G3D::AABox;
+
+struct GameobjectModelData
+{
+    GameobjectModelData(const std::string& name_, const AABox& box) :
+        bound(box), name(name_) { }
+
+    AABox bound;
+    std::string name;
+};
+
+typedef std::unordered_map<uint32, GameobjectModelData> ModelList;
+ModelList model_list;
+
+void LoadGameObjectModelList(std::string const& dataPath)
+{
+#ifndef NO_CORE_FUNCS
+    uint32 oldMSTime = getMSTime();
+#endif
+
+    FILE* model_list_file = fopen((dataPath + "vmaps/" + VMAP::GAMEOBJECT_MODELS).c_str(), "rb");
+    if (!model_list_file)
+    {
+        VMAP_ERROR_LOG("misc", "Unable to open '%s' file.", VMAP::GAMEOBJECT_MODELS);
+        return;
+    }
+
+    uint32 name_length, displayId;
+    char buff[500];
+    while (true)
+    {
+        Vector3 v1, v2;
+        if (fread(&displayId, sizeof(uint32), 1, model_list_file) != 1)
+            if (feof(model_list_file))  // EOF flag is only set after failed reading attempt
+                break;
+
+        if (fread(&name_length, sizeof(uint32), 1, model_list_file) != 1
+            || name_length >= sizeof(buff)
+            || fread(&buff, sizeof(char), name_length, model_list_file) != name_length
+            || fread(&v1, sizeof(Vector3), 1, model_list_file) != 1
+            || fread(&v2, sizeof(Vector3), 1, model_list_file) != 1)
+        {
+            VMAP_ERROR_LOG("misc", "File '%s' seems to be corrupted!", VMAP::GAMEOBJECT_MODELS);
+            break;
+        }
+
+        if (v1.isNaN() || v2.isNaN())
+        {
+            VMAP_ERROR_LOG("misc", "File '%s' Model '%s' has invalid v1%s v2%s values!", VMAP::GAMEOBJECT_MODELS, std::string(buff, name_length).c_str(), v1.toString().c_str(), v2.toString().c_str());
+            continue;
+        }
+
+        model_list.insert
+        (
+            ModelList::value_type(displayId, GameobjectModelData(std::string(buff, name_length), AABox(v1, v2)))
+        );
+    }
+
+    fclose(model_list_file);
+    VMAP_INFO_LOG("server.loading", ">> Loaded %u GameObject models in %u ms", uint32(model_list.size()), GetMSTimeDiffToNow(oldMSTime));
+}
+
+GameObjectModel::~GameObjectModel()
+{
+    if (iModel)
+        ((VMAP::VMapManager2*)VMAP::VMapFactory::createOrGetVMapManager())->releaseModelInstance(name);
+}
+
+bool GameObjectModel::initialize(std::unique_ptr<GameObjectModelOwnerBase> modelOwner, std::string const& dataPath)
+{
+    ModelList::const_iterator it = model_list.find(modelOwner->GetDisplayId());
+    if (it == model_list.end())
+        return false;
+
+    G3D::AABox mdl_box(it->second.bound);
+    // ignore models with no bounds
+    if (mdl_box == G3D::AABox::zero())
+    {
+        VMAP_ERROR_LOG("misc", "GameObject model %s has zero bounds, loading skipped", it->second.name.c_str());
+        return false;
+    }
+
+    iModel = ((VMAP::VMapManager2*)VMAP::VMapFactory::createOrGetVMapManager())->acquireModelInstance(dataPath + "vmaps/", it->second.name);
+
+    if (!iModel)
+        return false;
+
+    name = it->second.name;
+    iPos = modelOwner->GetPosition();
+    phasemask = modelOwner->GetPhaseMask();
+    iScale = modelOwner->GetScale();
+    iInvScale = 1.f / iScale;
+
+    G3D::Matrix3 iRotation = G3D::Matrix3::fromEulerAnglesZYX(modelOwner->GetOrientation(), 0, 0);
+    iInvRot = iRotation.inverse();
+    // transform bounding box:
+    mdl_box = AABox(mdl_box.low() * iScale, mdl_box.high() * iScale);
+    AABox rotated_bounds;
+    for (int i = 0; i < 8; ++i)
+        rotated_bounds.merge(iRotation * mdl_box.corner(i));
+
+    iBound = rotated_bounds + iPos;
+#ifdef SPAWN_CORNERS
+    // test:
+    for (int i = 0; i < 8; ++i)
+    {
+        Vector3 pos(iBound.corner(i));
+        modelOwner->DebugVisualizeCorner(pos);
+    }
+#endif
+
+    owner = std::move(modelOwner);
+    return true;
+}
+
+GameObjectModel* GameObjectModel::Create(std::unique_ptr<GameObjectModelOwnerBase> modelOwner, std::string const& dataPath)
+{
+    GameObjectModel* mdl = new GameObjectModel();
+    if (!mdl->initialize(std::move(modelOwner), dataPath))
+    {
+        delete mdl;
+        return NULL;
+    }
+
+    return mdl;
+}
+
+bool GameObjectModel::intersectRay(const G3D::Ray& ray, float& MaxDist, bool StopAtFirstHit, uint32 ph_mask) const
+{
+    if (!(phasemask & ph_mask) || !owner->IsSpawned())
+        return false;
+
+    float time = ray.intersectionTime(iBound);
+    if (time == G3D::finf())
+        return false;
+
+    // child bounds are defined in object space:
+    Vector3 p = iInvRot * (ray.origin() - iPos) * iInvScale;
+    Ray modRay(p, iInvRot * ray.direction());
+    float distance = MaxDist * iInvScale;
+    bool hit = iModel->IntersectRay(modRay, distance, StopAtFirstHit);
+    if (hit)
+    {
+        distance *= iScale;
+        MaxDist = distance;
+    }
+    return hit;
+}
+
+bool GameObjectModel::UpdatePosition()
+{
+    if (!iModel)
+        return false;
+
+    ModelList::const_iterator it = model_list.find(owner->GetDisplayId());
+    if (it == model_list.end())
+        return false;
+
+    G3D::AABox mdl_box(it->second.bound);
+    // ignore models with no bounds
+    if (mdl_box == G3D::AABox::zero())
+    {
+        VMAP_ERROR_LOG("misc", "GameObject model %s has zero bounds, loading skipped", it->second.name.c_str());
+        return false;
+    }
+
+    iPos = owner->GetPosition();
+
+    G3D::Matrix3 iRotation = G3D::Matrix3::fromEulerAnglesZYX(owner->GetOrientation(), 0, 0);
+    iInvRot = iRotation.inverse();
+    // transform bounding box:
+    mdl_box = AABox(mdl_box.low() * iScale, mdl_box.high() * iScale);
+    AABox rotated_bounds;
+    for (int i = 0; i < 8; ++i)
+        rotated_bounds.merge(iRotation * mdl_box.corner(i));
+
+    iBound = rotated_bounds + iPos;
+#ifdef SPAWN_CORNERS
+    // test:
+    for (int i = 0; i < 8; ++i)
+    {
+        Vector3 pos(iBound.corner(i));
+        owner->DebugVisualizeCorner(pos);
+    }
+#endif
+
+    return true;
+}