* correct the heightmap formula (hopefully) - thx bLuma!

* use also surrounding MapTiles (now is a 3x3 map size instead of 1x1). is the formula for loading those correct?

src/Client/GUI/Scene.h

@@ -57,6 +57,7 @@ private:
     ShTlTerrainSceneNode *terrain;
     MCameraFPS *camera;
     MyEventReceiver *eventrecv;
+    ZThread::FastMutex mutex;
 };
 
 

src/Client/GUI/SceneWorld.cpp

@@ -11,13 +11,14 @@
 #include "World.h"
 #include <sstream>
 
+
 SceneWorld::SceneWorld(PseuGUI *g) : Scene(g)
 {
     DEBUG(logdebug("SceneWorld: Initializing..."));
 
-    s32 mapsize = 9 * 16; // 9 height floats in 16 chunks per tile per axis
+    s32 mapsize = 9 * 16 * 3; // 9 height floats in 16 chunks per tile per axis in 3 MapTiles
     s32 tilesize = UNITSIZE;
-    s32 meshsize = CHUNKSIZE;
+    s32 meshsize = CHUNKSIZE*3;
     vector3df terrainPos(0.0f, 0.0f, 0.0f); // TODO: use PseuWoW's world coords here?
 
     eventrecv = new MyEventReceiver();
@@ -60,35 +61,45 @@ SceneWorld::SceneWorld(PseuGUI *g) : Scene(g)
 
     // something is not good here. we have terrain, but the chunks are read incorrectly.
     // need to find out where which formula is wrong
-    // the current terrain renderer code is just a test to see if ADT files are read correctly. apparantly not :D
-    MapTile *maptile = mapmgr->GetCurrentTile();
-    if(maptile)
+    // the current terrain renderer code is just a test to see if ADT files are read correctly.
+    // EDIT: it seems to display fine now, but i am still not sure if the way it is done is correct...
+    mutex.acquire(); // prevent other threads deleting the maptile
+    for(s32 tiley = 0; tiley < 3; tiley++)
     {
-        // apply map height data
-        for(uint32 chx = 0; chx < 16; chx++)
-            for(uint32 chy = 0; chy < 16; chy++)
+        for(s32 tilex = 0; tilex < 3; tilex++)
+        {
+            MapTile *maptile = mapmgr->GetNearTile(tilex - 1, tiley - 1);
+            if(maptile)
             {
-                MapChunk *chunk = maptile->GetChunk(chx, chy);
-                std::stringstream ss;
-                DEBUG(logdebug("Apply MapChunk (%u, %u)",chx,chy));
-                for(uint32 hy = 0; hy < 9; hy++)
-                {
-                    for(uint32 hx = 0; hx < 9; hx++)
+                // apply map height data
+                for(uint32 chy = 0; chy < 16; chy++)
+                    for(uint32 chx = 0; chx < 16; chx++)
                     {
-                        f32 h = chunk->hmap_rough[hy * 9 + hx];
-                        ss.precision(3);
-                        ss << h << '\t';
-                        terrain->setHeight(9 * chx + hx, 9 * chy + hy, h);
+                        MapChunk *chunk = maptile->GetChunk(chx, chy);
+                        std::stringstream ss;
+                        DEBUG(logdebug("Apply MapChunk (%u, %u)",chx,chy));
+                        for(uint32 hy = 0; hy < 9; hy++)
+                        {
+                            for(uint32 hx = 0; hx < 9; hx++)
+                            {
+                                f32 h = chunk->hmap_rough[hx * 9 + hy] + chunk->baseheight; // not sure if hx and hy are used correctly here
+                                h *= -1; // as suggested by bLuma
+                                ss.precision(3);
+                                ss << h << '\t';
+                                terrain->setHeight((144 * tiley) + (9 * chx) + hx, (144  * tilex) + (9 * chy) + hy, h);
+                            }
+                            ss << "\n";
+                        }
+                        //DEBUG(logdebug("\n%s\n",ss.str().c_str()));
                     }
-                    ss << "\n";
-                }
-                DEBUG(logdebug("\n%s\n",ss.str().c_str()));
             }
+            else
+            {
+                logerror("SceneWorld: MapTile not loaded, can't apply heightmap!");
+            }
+        }
     }
-    else
-    {
-        logerror("SceneWorld: MapTile not loaded, can't apply heightmap!");
-    }
+    mutex.release();
 
     terrain->smoothNormals();
 

src/Client/World/MapMgr.cpp

@@ -135,6 +135,11 @@ MapTile *MapMgr::GetCurrentTile(void)
     return GetTile(_gridx,_gridy);
 }
 
+MapTile *MapMgr::GetNearTile(int32 xoffs, int32 yoffs)
+{
+    return GetTile(_gridx + xoffs, _gridy + yoffs);
+}
+
 uint32 MapMgr::GetGridCoord(float f)
 {
     return (ZEROPOINT - f) / TILESIZE;

src/Client/World/MapMgr.h

@@ -15,6 +15,7 @@ public:
     uint32 GetGridCoord(float f);
     MapTile *GetTile(uint32 xg, uint32 yg, bool forceLoad = false);
     MapTile *GetCurrentTile(void);
+    MapTile *GetNearTile(int32, int32);
     inline bool Loaded(void) { return _mapsLoaded; }
 
 private:

src/shared/MapTile.cpp

@@ -2,7 +2,6 @@
 #include "MapTile.h"
 #include "log.h"
 
-
 MapTile::MapTile()
 {
 }

src/shared/MapTile.h

@@ -17,6 +17,7 @@ class MapChunk
 public:
     float hmap_rough[9*9];
     float hmap_fine[8*8];
+    float hmap[17*17]; // combined rough and fine hmap
     float basex,basey,baseheight;
     //... TODO: implement the rest of this
 };