static void DrawPathFencesOnMap(TerrainMap map, IPathway path)
{
float xs = map.XSize / map.Resolution;
float zs = map.ZSize / map.Resolution;
Vector3 alongRow = new Vector3(xs, 0, 0);
Vector3 nextRow = new Vector3(-map.XSize, 0, zs);
Vector3 g = new Vector3((map.XSize - xs) / -2, 0, (map.ZSize - zs) / -2);
for (int j = 0; j < map.Resolution; j++)
{
for (int i = 0; i < map.Resolution; i++)
{
float outside = path.HowFarOutsidePath(g);
const float WALL_THICKNESS = 1.0f;
// set map cells adjacent to the outside edge of the path
if ((outside > 0) && (outside < WALL_THICKNESS))
{
map.SetMapBit(i, j, true);
}
// clear all other off-path map cells
if (outside > WALL_THICKNESS)
{
map.SetMapBit(i, j, false);
}
g += alongRow;
}
g += nextRow;
}
}
static void DrawBoundaryFencesOnMap(TerrainMap map)
{
// QQQ it would make more sense to do this with a "draw line
// QQQ on map" primitive, may need that for other things too
int cw = map.Cellwidth();
int ch = map.Cellheight();
int r = cw - 1;
int a = cw >> 3;
int b = cw - a;
int o = cw >> 4;
int p = (cw - o) >> 1;
int q = (cw + o) >> 1;
for (int i = 0; i < cw; i++)
{
for (int j = 0; j < ch; j++)
{
bool c = i > a && i < b && (i <p || i> q);
if (i == 0 || j == 0 || i == r || j == r || (c && (i == j || i + j == r)))
{
map.SetMapBit(i, j, true);
}
}
}
}
static void ClearCenterOfMap(TerrainMap map)
{
int o = map.Cellwidth() >> 4;
int p = (map.Cellwidth() - o) >> 1;
int q = (map.Cellwidth() + o) >> 1;
for (int i = p; i <= q; i++)
{
for (int j = p; j <= q; j++)
{
map.SetMapBit(i, j, false);
}
}
}
void DrawRandomClumpsOfRocksOnMap(TerrainMap map)
{
if (_useRandomRocks)
{
const int SPREAD = 4;
int r = map.Cellwidth();
int k = RandomHelpers.RandomInt(50, 150);
for (int p = 0; p < k; p++)
{
int i = RandomHelpers.RandomInt(0, r - SPREAD);
int j = RandomHelpers.RandomInt(0, r - SPREAD);
int c = RandomHelpers.RandomInt(0, 10);
for (int q = 0; q < c; q++)
{
int m = RandomHelpers.RandomInt(0, SPREAD);
int n = RandomHelpers.RandomInt(0, SPREAD);
map.SetMapBit(i + m, j + n, true);
}
}
}
}
static void DrawPathFencesOnMap(TerrainMap map, IPathway path)
{
float xs = map.XSize / map.Resolution;
float zs = map.ZSize / map.Resolution;
Vector3 alongRow = new Vector3(xs, 0, 0);
Vector3 nextRow = new Vector3(-map.XSize, 0, zs);
Vector3 g = new Vector3((map.XSize - xs) / -2, 0, (map.ZSize - zs) / -2);
for (int j = 0; j < map.Resolution; j++)
{
for (int i = 0; i < map.Resolution; i++)
{
float outside = path.HowFarOutsidePath(g);
const float WALL_THICKNESS = 1.0f;
// set map cells adjacent to the outside edge of the path
if ((outside > 0) && (outside < WALL_THICKNESS))
map.SetMapBit(i, j, true);
// clear all other off-path map cells
if (outside > WALL_THICKNESS) map.SetMapBit(i, j, false);
g += alongRow;
}
g += nextRow;
}
}
static void ClearCenterOfMap(TerrainMap map)
{
int o = map.Cellwidth() >> 4;
int p = (map.Cellwidth() - o) >> 1;
int q = (map.Cellwidth() + o) >> 1;
for (int i = p; i <= q; i++)
for (int j = p; j <= q; j++)
map.SetMapBit(i, j, false);
}
static void DrawBoundaryFencesOnMap(TerrainMap map)
{
// QQQ it would make more sense to do this with a "draw line
// QQQ on map" primitive, may need that for other things too
int cw = map.Cellwidth();
int ch = map.Cellheight();
int r = cw - 1;
int a = cw >> 3;
int b = cw - a;
int o = cw >> 4;
int p = (cw - o) >> 1;
int q = (cw + o) >> 1;
for (int i = 0; i < cw; i++)
{
for (int j = 0; j < ch; j++)
{
bool c = i > a && i < b && (i < p || i > q);
if (i == 0 || j == 0 || i == r || j == r || (c && (i == j || i + j == r)))
map.SetMapBit(i, j, true);
}
}
}
void DrawRandomClumpsOfRocksOnMap(TerrainMap map)
{
if (_useRandomRocks)
{
const int SPREAD = 4;
int r = map.Cellwidth();
int k = RandomHelpers.RandomInt(50, 150);
for (int p = 0; p < k; p++)
{
int i = RandomHelpers.RandomInt(0, r - SPREAD);
int j = RandomHelpers.RandomInt(0, r - SPREAD);
int c = RandomHelpers.RandomInt(0, 10);
for (int q = 0; q < c; q++)
{
int m = RandomHelpers.RandomInt(0, SPREAD);
int n = RandomHelpers.RandomInt(0, SPREAD);
map.SetMapBit(i + m, j + n, true);
}
}
}
}