internal void AddHash(int x)
{
numPaths++;
rand = new JavaRandom(x);
// XXX: fp.set(x % size); would work just as well but would encode a
// different bit
fp.Set(rand.Next(fpsize), true);
}
void PlantTrees(int chunkX, int chunkZ, OctaveNoise n1)
{
int numTrees = (int)Math.Round(n1.Compute(chunkX * 8, chunkZ * 8), MidpointRounding.AwayFromZero);
for (int i = 0; i < numTrees; i++)
{
int patchX = (decX + 8), patchZ = (decZ + 8);
//for (int j = 0; j < 20; j++) {
int treeX = patchX, treeZ = patchZ;
for (int k = 0; k < 20; k++)
{
treeX += rnd2.Next(15);
treeZ += rnd2.Next(15);
if (treeX < patchX || treeZ < patchZ || treeX >= (patchX + 16) ||
treeZ >= (patchZ + 16) || rnd2.NextFloat() >= 0.25)
{
continue;
}
//int treeY = heightmap[treeZ * Width + treeX] + 1;
int treeY = GetMaxBlock(treeX, treeZ) + 1;
if (treeY >= Height)
{
continue;
}
int treeHeight = 5 + rnd.Next(3);
//int index = (treeY * Length + treeZ) * Width + treeX;
BlockRaw blockUnder = treeY > 0 ? ChunkHandler.GetBlockAdjSafe(treeX, treeY - 1, treeZ) : Block.Air;
if (blockUnder == Block.Grass && CanGrowTree(treeX, treeY, treeZ, treeHeight))
{
GrowTree(treeX, treeY, treeZ, treeHeight);
}
}
//}
}
}
protected virtual void DrawSprite(int count)
{
int texId = BlockInfo.textures[curBlock * Side.Sides + Side.Right];
int i = texId / elementsPerAtlas1D;
float vOrigin = (texId % elementsPerAtlas1D) * invVerElementSize;
float x1 = X + 2.50f / 16, y1 = Y, z1 = Z + 2.50f / 16;
float x2 = X + 13.5f / 16, y2 = Y + 1, z2 = Z + 13.5f / 16;
const float u1 = 0, u2 = 15.99f / 16f;
float v1 = vOrigin, v2 = vOrigin + invVerElementSize * 15.99f / 16f;
byte offsetType = BlockInfo.SpriteOffset[curBlock];
if (offsetType >= 6 && offsetType <= 7)
{
spriteRng.SetSeed((X + 1217 * Z) & 0x7fffffff);
float valX = spriteRng.Next(-3, 3 + 1) / 16.0f;
float valY = spriteRng.Next(0, 3 + 1) / 16.0f;
float valZ = spriteRng.Next(-3, 3 + 1) / 16.0f;
const float stretch = 1.7f / 16.0f;
x1 += valX - stretch; x2 += valX + stretch;
z1 += valZ - stretch; z2 += valZ + stretch;
if (offsetType == 7)
{
y1 -= valY; y2 -= valY;
}
}
DrawInfo part = normalParts[i];
int col = fullBright ? FastColour.WhitePacked : light.LightCol_Sprite_Fast(X, Y, Z);
if (tinted)
{
col = TintBlock(curBlock, col);
}
VertexP3fT2fC4b v; v.Colour = col;
// Draw Z axis
int index = part.sIndex;
v.X = x1; v.Y = y1; v.Z = z1; v.U = u2; v.V = v2; part.vertices[index + 0] = v;
v.Y = y2; v.V = v1; part.vertices[index + 1] = v;
v.X = x2; v.Z = z2; v.U = u1; part.vertices[index + 2] = v;
v.Y = y1; v.V = v2; part.vertices[index + 3] = v;
// Draw Z axis mirrored
index += part.sAdvance;
v.X = x2; v.Y = y1; v.Z = z2; v.U = u2; part.vertices[index + 0] = v;
v.Y = y2; v.V = v1; part.vertices[index + 1] = v;
v.X = x1; v.Z = z1; v.U = u1; part.vertices[index + 2] = v;
v.Y = y1; v.V = v2; part.vertices[index + 3] = v;
// Draw X axis
index += part.sAdvance;
v.X = x1; v.Y = y1; v.Z = z2; v.U = u2; part.vertices[index + 0] = v;
v.Y = y2; v.V = v1; part.vertices[index + 1] = v;
v.X = x2; v.Z = z1; v.U = u1; part.vertices[index + 2] = v;
v.Y = y1; v.V = v2; part.vertices[index + 3] = v;
// Draw X axis mirrored
index += part.sAdvance;
v.X = x2; v.Y = y1; v.Z = z1; v.U = u2; part.vertices[index + 0] = v;
v.Y = y2; v.V = v1; part.vertices[index + 1] = v;
v.X = x1; v.Z = z2; v.U = u1; part.vertices[index + 2] = v;
v.Y = y1; v.V = v2; part.vertices[index + 3] = v;
part.sIndex += 4;
}
void DumpVertices()
{
w.WriteLine("#vertices");
int i = -1, mask = BlockInfo.IDMask;
Vector3 min, max;
for (int y = 0; y < map.Height; y++)
{
for (int z = 0; z < map.Length; z++)
{
for (int x = 0; x < map.Width; x++)
{
++i; int b = (blocks[i] | (blocks2[i] << 8)) & mask;
if (!include[b])
{
continue;
}
min.X = x; min.Y = y; min.Z = z;
max.X = x; max.Y = y; max.Z = z;
if (BlockInfo.Draw[b] == DrawType.Sprite)
{
min.X += 2.50f / 16f; min.Z += 2.50f / 16f;
max.X += 13.5f / 16f; max.Z += 13.5f / 16f; max.Y += 1.0f;
byte offsetType = BlockInfo.SpriteOffset[b];
if (offsetType >= 6 && offsetType <= 7)
{
spriteRng.SetSeed((x + 1217 * z) & 0x7fffffff);
float valX = spriteRng.Next(-3, 3 + 1) / 16.0f;
float valY = spriteRng.Next(0, 3 + 1) / 16.0f;
float valZ = spriteRng.Next(-3, 3 + 1) / 16.0f;
const float stretch = 1.7f / 16.0f;
min.X += valX - stretch; max.X += valX + stretch;
min.Z += valZ - stretch; max.Z += valZ + stretch;
if (offsetType == 7)
{
min.Y -= valY; max.Y -= valY;
}
}
// Draw Z axis
w.WriteLine("v " + min.X + " " + min.Y + " " + min.Z);
w.WriteLine("v " + min.X + " " + max.Y + " " + min.Z);
w.WriteLine("v " + max.X + " " + max.Y + " " + max.Z);
w.WriteLine("v " + max.X + " " + min.Y + " " + max.Z);
// Draw Z axis mirrored
if (mirror)
{
w.WriteLine("v " + max.X + " " + min.Y + " " + max.Z);
w.WriteLine("v " + max.X + " " + max.Y + " " + max.Z);
w.WriteLine("v " + min.X + " " + max.Y + " " + min.Z);
w.WriteLine("v " + min.X + " " + min.Y + " " + min.Z);
}
// Draw X axis
w.WriteLine("v " + min.X + " " + min.Y + " " + max.Z);
w.WriteLine("v " + min.X + " " + max.Y + " " + max.Z);
w.WriteLine("v " + max.X + " " + max.Y + " " + min.Z);
w.WriteLine("v " + max.X + " " + min.Y + " " + min.Z);
// Draw X axis mirrored
if (mirror)
{
w.WriteLine("v " + max.X + " " + min.Y + " " + min.Z);
w.WriteLine("v " + max.X + " " + max.Y + " " + min.Z);
w.WriteLine("v " + min.X + " " + max.Y + " " + max.Z);
w.WriteLine("v " + min.X + " " + min.Y + " " + max.Z);
}
continue;
}
min += BlockInfo.RenderMinBB[b];
max += BlockInfo.RenderMaxBB[b];
// minx
if (x == 0 || all || !IsFaceHidden(b, (blocks[i - oneX] | (blocks2[i - oneX] << 8)) & mask, Side.Left))
{
w.WriteLine("v " + min.X + " " + min.Y + " " + min.Z);
w.WriteLine("v " + min.X + " " + max.Y + " " + min.Z);
w.WriteLine("v " + min.X + " " + max.Y + " " + max.Z);
w.WriteLine("v " + min.X + " " + min.Y + " " + max.Z);
}
// maxx
if (x == maxX || all || !IsFaceHidden(b, (blocks[i + oneX] | (blocks2[i + oneX] << 8)) & mask, Side.Right))
{
w.WriteLine("v " + max.X + " " + min.Y + " " + min.Z);
w.WriteLine("v " + max.X + " " + max.Y + " " + min.Z);
w.WriteLine("v " + max.X + " " + max.Y + " " + max.Z);
w.WriteLine("v " + max.X + " " + min.Y + " " + max.Z);
}
// minz
if (z == 0 || all || !IsFaceHidden(b, (blocks[i - oneZ] | (blocks2[i - oneZ] << 8)) & mask, Side.Front))
{
w.WriteLine("v " + min.X + " " + min.Y + " " + min.Z);
w.WriteLine("v " + min.X + " " + max.Y + " " + min.Z);
w.WriteLine("v " + max.X + " " + max.Y + " " + min.Z);
w.WriteLine("v " + max.X + " " + min.Y + " " + min.Z);
}
// maxz
if (z == maxZ || all || !IsFaceHidden(b, (blocks[i + oneZ] | (blocks2[i + oneZ] << 8)) & mask, Side.Back))
{
w.WriteLine("v " + min.X + " " + min.Y + " " + max.Z);
w.WriteLine("v " + min.X + " " + max.Y + " " + max.Z);
w.WriteLine("v " + max.X + " " + max.Y + " " + max.Z);
w.WriteLine("v " + max.X + " " + min.Y + " " + max.Z);
}
// miny
if (y == 0 || all || !IsFaceHidden(b, (blocks[i - oneY] | (blocks2[i - oneY] << 8)) & mask, Side.Bottom))
{
w.WriteLine("v " + min.X + " " + min.Y + " " + min.Z);
w.WriteLine("v " + min.X + " " + min.Y + " " + max.Z);
w.WriteLine("v " + max.X + " " + min.Y + " " + max.Z);
w.WriteLine("v " + max.X + " " + min.Y + " " + min.Z);
}
// maxy
if (y == maxY || all || !IsFaceHidden(b, (blocks[i + oneY] | (blocks2[i + oneY] << 8)) & mask, Side.Top))
{
w.WriteLine("v " + min.X + " " + max.Y + " " + min.Z);
w.WriteLine("v " + min.X + " " + max.Y + " " + max.Z);
w.WriteLine("v " + max.X + " " + max.Y + " " + max.Z);
w.WriteLine("v " + max.X + " " + max.Y + " " + min.Z);
}
}
}
}
}