MapTerrainT::MapTerrainT(const BoundingBox3fT& Box, const wxString& HeightMapFile, EditorMaterialI* Material)
: MapPrimitiveT(wxColour(50 + (rand() % 50), 150 + (rand() % 106), 30)),
m_Resolution(65),
m_HeightData(),
m_TerrainBounds(Box),
m_Material(Material),
m_ToolBounds(Vector3fT()),
m_RenderEyeDropper(false),
m_NeedsUpdate(true),
m_Terrain(),
m_TerrainMesh(MatSys::MeshT::TriangleStrip)
{
// Try to load the height data from the passed height map file. Create empty terrain if it fails.
try
{
//XXX Hmmmmm. Evtl. sollten wir eine TerrainLoaderT Klasse machen (die später auch speichern kann)...
LoadHeightData(HeightMapFile);
}
catch (const BitmapT::LoadErrorT& /*E*/)
{
// Set default resolution in case LoadHeightData has already changed it.
m_Resolution=65;
for (unsigned int i=0; i<m_Resolution*m_Resolution; i++)
m_HeightData.PushBack(0);
}
}
void MapTerrainT::SetToolBounds(int PosX, int PosY, int Radius)
{
if (PosX==-1 || PosY==-1 || Radius==-1)
{
// Set bounding box to zero.
m_ToolBounds=BoundingBox3fT(Vector3fT());
return;
}
// First we have to flip the y position horizontally.
PosY=m_Resolution-1-PosY;
// Calculate tool bounds from terrain bounds.
const float ToolMinX=float(PosX-Radius-1)/float(m_Resolution-1);
const float ToolMinY=float(PosY-Radius-1)/float(m_Resolution-1);
const float ToolMaxX=float(PosX+Radius+1)/float(m_Resolution-1);
const float ToolMaxY=float(PosY+Radius+1)/float(m_Resolution-1);
const float TerrainXLength=m_TerrainBounds.Max.x-m_TerrainBounds.Min.x;
const float TerrainYLength=m_TerrainBounds.Max.y-m_TerrainBounds.Min.y;
const Vector3fT ToolMin(m_TerrainBounds.Min.x+TerrainXLength*ToolMinX, m_TerrainBounds.Min.y+TerrainYLength*ToolMinY, 0.0f);
const Vector3fT ToolMax(m_TerrainBounds.Min.x+TerrainXLength*ToolMaxX, m_TerrainBounds.Min.y+TerrainYLength*ToolMaxY, 0.0f);
m_ToolBounds=BoundingBox3fT(ToolMin, ToolMax);
}
inline Vector3fT conv(const btVector3& v) { return Vector3fT(v.x(), v.y(), v.z()); }
