Second Life viewer sources 1.13.2.12

1 files changed, 197 insertions, 0 deletions

diff --git a/linden/indra/newview/llworld.h b/linden/indra/newview/llworld.h
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+/** 
+ * @file llworld.h
+ * @brief Initial test structure to organize viewer regions
+ *
+ * Copyright (c) 2001-2007, Linden Research, Inc.
+ * 
+ * The source code in this file ("Source Code") is provided by Linden Lab
+ * to you under the terms of the GNU General Public License, version 2.0
+ * ("GPL"), unless you have obtained a separate licensing agreement
+ * ("Other License"), formally executed by you and Linden Lab.  Terms of
+ * the GPL can be found in doc/GPL-license.txt in this distribution, or
+ * online at http://secondlife.com/developers/opensource/gplv2
+ * 
+ * There are special exceptions to the terms and conditions of the GPL as
+ * it is applied to this Source Code. View the full text of the exception
+ * in the file doc/FLOSS-exception.txt in this software distribution, or
+ * online at http://secondlife.com/developers/opensource/flossexception
+ * 
+ * By copying, modifying or distributing this software, you acknowledge
+ * that you have read and understood your obligations described above,
+ * and agree to abide by those obligations.
+ * 
+ * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
+ * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
+ * COMPLETENESS OR PERFORMANCE.
+ */
+
+#ifndef LL_LLWORLD_H
+#define LL_LLWORLD_H
+
+#include "llpatchvertexarray.h"
+#include "doublelinkedlist.h"
+#include "linked_lists.h"
+
+#include "llmath.h"
+//#include "vmath.h"
+#include "v3math.h"
+#include "llmemory.h"
+#include "llstring.h"
+#include "llviewerpartsim.h"
+#include "llviewerimage.h"
+
+class LLViewerRegion;
+class LLVector3d;
+class LLMessageSystem;
+class LLNetMap;
+class LLHost;
+
+class LLViewerObject;
+class LLVOWater;
+class LLSurfacePatch;
+
+class LLCloudPuff;
+class LLCloudGroup;
+class LLVOAvatar;
+
+// LLWorld maintains a stack of unused viewer_regions and an array of pointers to viewer regions
+// as simulators are connected to, viewer_regions are popped off the stack and connected as required
+// as simulators are removed, they are pushed back onto the stack
+
+class LLWorld
+{
+public:
+        LLWorld(const U32 grids_per_region, const F32 meters_per_grid);
+        ~LLWorld();
+
+        LLViewerRegion* addRegion(const U64 &region_handle, const LLHost &host);
+                // safe to call if already present, does the "right thing" if
+                // hosts are same, or if hosts are different, etc...
+        void                    removeRegion(const LLHost &host);
+
+        void    disconnectRegions(); // Send quit messages to all child regions
+
+        LLViewerRegion*                 getRegion(const LLHost &host);
+        LLViewerRegion*                 getRegionFromPosGlobal(const LLVector3d &pos);
+        LLViewerRegion*                 getRegionFromPosAgent(const LLVector3 &pos);
+        LLViewerRegion*                 getRegionFromHandle(const U64 &handle);
+        BOOL                                    positionRegionValidGlobal(const LLVector3d& pos);                       // true if position is in valid region
+        LLVector3d                              clipToVisibleRegions(const LLVector3d &start_pos, const LLVector3d &end_pos);
+
+        void                                    updateAgentOffset(const LLVector3d &offset);
+
+        // All of these should be in the agent coordinate frame
+        LLViewerRegion*                 resolveRegionGlobal(LLVector3 &localpos, const LLVector3d &position);
+        LLViewerRegion*                 resolveRegionAgent(LLVector3 &localpos, const LLVector3 &position);
+        F32                                             resolveLandHeightGlobal(const LLVector3d &position);
+        F32                                             resolveLandHeightAgent(const LLVector3 &position);
+
+        // Return the lowest allowed Z point to prevent objects from being moved
+        // underground.
+        F32 getMinAllowedZ(LLViewerObject* object);
+
+        // takes a line segment defined by point_a and point_b, then
+        // determines the closest (to point_a) point of intersection that is
+        // on the land surface or on an object of the world.
+        // Stores results in "intersection" and "intersection_normal" and
+        // returns a scalar value that is the normalized (by length of line segment) 
+        // distance along the line from "point_a" to "intersection".
+        //
+        // Currently assumes point_a and point_b only differ in z-direction,
+        // but it may eventually become more general.
+        F32 resolveStepHeightGlobal(const LLVOAvatar* avatarp, const LLVector3d &point_a, const LLVector3d &point_b,
+                                                        LLVector3d &intersection, LLVector3 &intersection_normal,
+                                                        LLViewerObject** viewerObjectPtr=NULL);
+
+        LLSurfacePatch *                resolveLandPatchGlobal(const LLVector3d &position);
+        LLVector3                               resolveLandNormalGlobal(const LLVector3d &position);            // absolute frame
+
+        U32                                             getRegionWidthInPoints() const  { return mWidth; }
+        F32                                             getRegionScale() const                  { return mScale; }
+
+        // region X and Y size in meters
+        F32                                             getRegionWidthInMeters() const  { return mWidthInMeters; }
+        F32                                             getRegionMinHeight() const              { return -mWidthInMeters; }
+        F32                                             getRegionMaxHeight() const              { return 3.f*mWidthInMeters; }
+
+        void                                    updateRegions();
+        void                                    updateVisibilities();
+        void                                    updateParticles();
+        void                                    updateClouds(const F32 dt);
+        LLCloudGroup *                  findCloudGroup(const LLCloudPuff &puff);
+
+        void                                    renderPropertyLines();
+
+        void resetStats();
+        void updateNetStats(); // Update network statistics for all the regions...
+
+        void printPacketsLost();
+        void requestCacheMisses();
+
+        // deal with map object updates in the world.
+        static void processCoarseUpdate(LLMessageSystem* msg, void** user_data);
+
+        F32 getLandFarClip() const;
+        void setLandFarClip(const F32 far_clip);
+
+        LLViewerImage *getDefaultWaterTexture();
+        void updateWaterObjects();
+
+        void setSpaceTimeUSec(const U64 space_time_usec);
+        U64 getSpaceTimeUSec() const;
+
+        LLString getInfoString();
+public:
+        LLDoubleLinkedList<LLViewerRegion>      mActiveRegionList;
+        LLViewerPartSim mPartSim;
+
+private:
+        LLLinkedList<LLViewerRegion>            mRegionList;
+        LLDoubleLinkedList<LLViewerRegion>      mVisibleRegionList;
+        LLDoubleLinkedList<LLViewerRegion>      mCulledRegionList;
+
+        // Number of points on edge
+        const U32 mWidth;
+
+        // meters/point, therefore mWidth * mScale = meters per edge
+        const F32 mScale;
+
+        const F32 mWidthInMeters;
+
+        F32 mLandFarClip;                                       // Far clip distance for land.
+        F32 mIdleUpdateTime;
+        LLPatchVertexArray              mLandPatch;
+        S32 mLastPacketsIn;
+        S32 mLastPacketsOut;
+        S32 mLastPacketsLost;
+
+        ////////////////////////////
+        //
+        // Data for "Fake" objects
+        //
+
+        // Used to define the "Square" which we need to fill in
+        U32 mMinRegionX;
+        U32 mMaxRegionX;
+        U32 mMinRegionY;
+        U32 mMaxRegionY;
+
+        LLLinkedList<LLVOWater> mHoleWaterObjects;
+        LLPointer<LLVOWater> mEdgeWaterObjects[8];
+
+        LLPointer<LLViewerImage> mDefaultWaterTexturep;
+        U64 mSpaceTimeUSec;
+};
+
+extern LLWorld *gWorldp;
+#define gWorldPointer gWorldp
+
+void process_enable_simulator(LLMessageSystem *mesgsys, void **user_data);
+void process_disable_simulator(LLMessageSystem *mesgsys, void **user_data);
+
+void process_region_handshake(LLMessageSystem* msg, void** user_data);
+
+void send_agent_pause();
+void send_agent_resume();
+
+#endif