Core/Collision: Ported dynamic line of sight patch by Silverice from MaNGOS and

added lots of improvements
Please re-extract vmaps

1 files changed, 175 insertions, 0 deletions

diff --git a/src/server/collision/Models/GameObjectModel.cpp b/src/server/collision/Models/GameObjectModel.cpp
new file mode 100644
index 00000000000..5ad984fcb4b
--- /dev/null
+++ b/src/server/collision/Models/GameObjectModel.cpp
@@ -0,0 +1,175 @@
+/*
+ * Copyright (C) 2008-2012 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 "GameObject.h"
+#include "Creature.h"
+#include "TemporarySummon.h"
+#include "Object.h"
+#include "DBCStores.h"
+
+using G3D::Vector3;
+using G3D::Ray;
+using G3D::AABox;
+
+struct GameobjectModelData
+{
+    GameobjectModelData(const std::string& name_, const AABox& box) :
+        name(name_), bound(box) {}
+
+    AABox bound;
+    std::string name;
+};
+
+typedef UNORDERED_MAP<uint32, GameobjectModelData> ModelList;
+ModelList model_list;
+
+void LoadGameObjectModelList()
+{
+    FILE* model_list_file = fopen((sWorld->GetDataPath() + "vmaps/" + VMAP::GAMEOBJECT_MODELS).c_str(), "rb");
+    if (!model_list_file)
+        return;
+
+    uint32 name_length, displayId;
+    char buff[500];
+    while (!feof(model_list_file))
+    {
+        fread(&displayId,sizeof(uint32),1,model_list_file);
+        fread(&name_length,sizeof(uint32),1,model_list_file);
+
+        if (name_length >= sizeof(buff))
+        {
+            printf("\nFile '%s' seems to be corrupted", VMAP::GAMEOBJECT_MODELS);
+            break;
+        }
+
+        fread(&buff, sizeof(char), name_length,model_list_file);
+        Vector3 v1, v2;
+        fread(&v1, sizeof(Vector3), 1, model_list_file);
+        fread(&v2, sizeof(Vector3), 1, model_list_file);
+
+        model_list.insert
+        (
+            ModelList::value_type( displayId, GameobjectModelData(std::string(buff,name_length),AABox(v1,v2)) )
+        );
+    }
+    fclose(model_list_file);
+}
+
+GameObjectModel::~GameObjectModel()
+{
+    if (iModel)
+        ((VMAP::VMapManager2*)VMAP::VMapFactory::createOrGetVMapManager())->releaseModelInstance(name);
+}
+
+bool GameObjectModel::initialize(const GameObject& go, const GameObjectDisplayInfoEntry& info)
+{
+    ModelList::const_iterator it = model_list.find(info.Displayid);
+    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())
+    {
+        std::cout << "Model " << it->second.name << " has zero bounds, loading skipped" << std::endl;
+        return false;
+    }
+
+    iModel = ((VMAP::VMapManager2*)VMAP::VMapFactory::createOrGetVMapManager())->acquireModelInstance(sWorld->GetDataPath() + "vmaps/", it->second.name);
+
+    if (!iModel)
+        return false;
+
+    name = it->second.name;
+    //flags = VMAP::MOD_M2;
+    //adtId = 0;
+    //ID = 0;
+    iPos = Vector3(go.GetPositionX(), go.GetPositionY(), go.GetPositionZ());
+    phasemask = go.GetPhaseMask();
+    iScale = go.GetFloatValue(OBJECT_FIELD_SCALE_X);
+    iInvScale = 1.f / iScale;
+
+    G3D::Matrix3 iRotation = G3D::Matrix3::fromEulerAnglesZYX(go.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));
+
+    this->iBound = rotated_bounds + iPos;
+#ifdef SPAWN_CORNERS
+    // test:
+    for (int i = 0; i < 8; ++i)
+    {
+        Vector3 pos(iBound.corner(i));
+        if (Creature* c = const_cast<GameObject&>(go).SummonCreature(24440, pos.x, pos.y, pos.z, 0, TEMPSUMMON_MANUAL_DESPAWN))
+        {
+            c->setFaction(35);
+            c->SetFloatValue(OBJECT_FIELD_SCALE_X, 0.1f);
+        }
+    }
+#endif
+
+    return true;
+}
+
+GameObjectModel* GameObjectModel::Create(const GameObject& go)
+{
+    const GameObjectDisplayInfoEntry* info = sGameObjectDisplayInfoStore.LookupEntry(go.GetGOInfo()->displayId);
+    if (!info)
+        return NULL;
+
+    GameObjectModel* mdl = new GameObjectModel();
+    if (!mdl->initialize(go, *info))
+    {
+        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))
+        return false;
+
+    float time = ray.intersectionTime(iBound);
+    if (time == G3D::inf())
+        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;
+}
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