/************************************************************************************************
* CRMPathManager::GenerateRivers
* Creates a river which intersects the main path
*
* inputs:
* none
*
* return:
* none
*
************************************************************************************************/
void CRMPathManager::GenerateRivers ()
{
if (mRiverBedDepth == 1)
// no rivers
return;
mMaxDepth = mRiverDepth;
mDepth = 0;
int cell_x = 0;
int cell_y = 0;
// choose starting cell along an edge
int edge = TheRandomMissionManager->GetLandScape()->irand(0, 7);
switch ( edge )
{
case 0:
cell_x = mXNodes / 2; cell_y = 0;
break;
case 1:
cell_x = mXNodes; cell_y = 0;
break;
case 2:
cell_x = mXNodes; cell_y = mYNodes / 2;
break;
case 3:
cell_x = mXNodes; cell_y = mYNodes;
break;
case 4:
cell_x = mXNodes / 2; cell_y = mYNodes;
break;
case 5:
cell_x = 0; cell_y = mYNodes;
break;
case 6:
cell_x = 0; cell_y = mYNodes / 2;
break;
case 7:
cell_x = 0; cell_y = 0;
break;
}
ClearCells(mXNodes+1, mYNodes+1);
mRiverCount = mPathCount;
// visit the first cell
RiverVisit(cell_x,cell_y);
mRiverCount = mPathCount - mRiverCount;
return;
}
/************************************************************************************************
* CRMPathManager::CreateArray
* Create array of nodes that are spaced over the landscape.
* Create array of cells, which is used to determine how nodes are connected.
*
* inputs:
* x_nodes, y_nodes - how many nodes in each dimension to layout
*
* return:
* true if the node array was created, false if we have a problem
*
************************************************************************************************/
bool CRMPathManager::CreateArray(const int x_nodes, const int y_nodes)
{
mXNodes = x_nodes;
mYNodes = y_nodes;
// fill node array with positions that are spaced over the landscape
int x,y;
// dump existing nodes
for ( x = mNodes.size() - 1; x >=0; x-- )
{
if (mNodes[x])
delete mNodes[x];
}
mNodes.clear();
mNodes.resize(mXNodes * mYNodes, NULL);
// add a small amount of random jitter to spots chosen
float x_rnd = 0.2f / (mXNodes+1);
float y_rnd = 0.2f / (mYNodes+1);
for (x = 0; x < mXNodes; x++)
{
float cell_x = (x + 1.0f) / (mXNodes+1);
// float cell_x = (x + 2.0f) / (mXNodes+3);
for (y = 0; y < mYNodes; y++)
{
vec3_t pos;
CRMNode * pnode = new CRMNode();
mNodes[x + y*mXNodes] = pnode;
float cell_y = (y + 1.0f) / (mYNodes+1);
// float cell_y = (y + 2.0f) / (mYNodes+3);
pos[0] = TheRandomMissionManager->GetLandScape()->flrand(cell_x - x_rnd, cell_x + x_rnd);
pos[1] = TheRandomMissionManager->GetLandScape()->flrand(cell_y - y_rnd, cell_y + y_rnd);
pos[2] = 0;
SetNodePos(x, y, pos);
}
}
ClearCells(mXNodes, mYNodes);
return true;
}
KG3DTerrainRegionLogical::~KG3DTerrainRegionLogical(void)
{
ClearCells();
}