public static void Scatter(OCMap map, OCColumnMap columnMap, int cx, int cz)
{
int x1 = cx * OCChunk.SIZE_X;
int z1 = cz * OCChunk.SIZE_Z;
int x2 = x1 + OCChunk.SIZE_X;
int z2 = z1 + OCChunk.SIZE_Z;
OCSunLightMap lightmap = map.GetSunLightmap();
list.Clear();
for (int x = x1; x < x2; x++)
{
for (int z = z1; z < z2; z++)
{
int maxY = ComputeMaxY(lightmap, x, z) + 1;
for (int y = 0; y < maxY; y++)
{
if (lightmap.GetLight(x, y, z) > MIN_LIGHT)
{
list.Add(new Vector3i(x, y, z));
}
}
}
}
Scatter(map, columnMap, list);
}
private static void Scatter(OCMap map, List <Vector3i> list) // рассеивание
{
OCSunLightMap lightmap = map.GetSunLightmap();
for (int i = 0; i < list.Count; i++)
{
Vector3i pos = list[i];
if (pos.y < 0)
{
continue;
}
OCBlockData block = map.GetBlock(pos);
int light = lightmap.GetLight(pos) - OCLightComputerUtils.GetLightStep(block);
if (light <= MIN_LIGHT)
{
continue;
}
foreach (Vector3i dir in Vector3i.directions)
{
Vector3i nextPos = pos + dir;
block = map.GetBlock(nextPos);
if (block.IsAlpha() && lightmap.SetMaxLight((byte)light, nextPos))
{
list.Add(nextPos);
}
if (!block.IsEmpty())
{
OCLightComputerUtils.SetLightDirty(map, nextPos);
}
}
}
}
public static void RecomputeLightAtPosition(OCMap map, Vector3i pos) {
OCSunLightMap lightmap = map.GetSunLightmap();
int oldSunHeight = lightmap.GetSunHeight(pos.x, pos.z);
ComputeRayAtPosition(map, pos.x, pos.z);
int newSunHeight = lightmap.GetSunHeight(pos.x, pos.z);
if(newSunHeight < oldSunHeight) { // свет опустился
// добавляем свет
list.Clear();
for (int ty = newSunHeight; ty <= oldSunHeight; ty++) {
pos.y = ty;
lightmap.SetLight(MIN_LIGHT, pos);
list.Add( pos );
}
Scatter(map, list);
}
if(newSunHeight > oldSunHeight) { // свет поднялся
// удаляем свет
list.Clear();
for (int ty = oldSunHeight; ty <= newSunHeight; ty++) {
pos.y = ty;
list.Add( pos );
}
RemoveLight(map, list);
}
if(newSunHeight == oldSunHeight) {
if( map.GetBlock(pos).IsAlpha() ) {
UpdateLight(map, pos);
} else {
RemoveLight(map, pos);
}
}
}
private static void RemoveLight(OCMap map, List <Vector3i> list)
{
OCSunLightMap lightmap = map.GetSunLightmap();
foreach (Vector3i pos in list)
{
lightmap.SetLight(MAX_LIGHT, pos);
}
List <Vector3i> lightPoints = new List <Vector3i>();
for (int i = 0; i < list.Count; i++)
{
Vector3i pos = list[i];
if (pos.y < 0)
{
continue;
}
if (lightmap.IsSunLight(pos.x, pos.y, pos.z))
{
lightPoints.Add(pos);
continue;
}
byte light = (byte)(lightmap.GetLight(pos) - STEP_LIGHT);
lightmap.SetLight(MIN_LIGHT, pos);
if (light <= MIN_LIGHT)
{
continue;
}
foreach (Vector3i dir in Vector3i.directions)
{
Vector3i nextPos = pos + dir;
OCBlockData block = map.GetBlock(nextPos);
if (block.IsAlpha())
{
if (lightmap.GetLight(nextPos) <= light)
{
list.Add(nextPos);
}
else
{
lightPoints.Add(nextPos);
}
}
if (!block.IsEmpty())
{
OCLightComputerUtils.SetLightDirty(map, nextPos);
}
}
}
Scatter(map, lightPoints);
}
public static void RecomputeLightAtPosition(OCMap map, Vector3i pos)
{
OCSunLightMap lightmap = map.GetSunLightmap();
int oldSunHeight = lightmap.GetSunHeight(pos.x, pos.z);
ComputeRayAtPosition(map, pos.x, pos.z);
int newSunHeight = lightmap.GetSunHeight(pos.x, pos.z);
if (newSunHeight < oldSunHeight) // свет опустился
// добавляем свет
{
list.Clear();
for (int ty = newSunHeight; ty <= oldSunHeight; ty++)
{
pos.y = ty;
lightmap.SetLight(MIN_LIGHT, pos);
list.Add(pos);
}
Scatter(map, list);
}
if (newSunHeight > oldSunHeight) // свет поднялся
// удаляем свет
{
list.Clear();
for (int ty = oldSunHeight; ty <= newSunHeight; ty++)
{
pos.y = ty;
list.Add(pos);
}
RemoveLight(map, list);
}
if (newSunHeight == oldSunHeight)
{
if (map.GetBlock(pos).IsAlpha())
{
UpdateLight(map, pos);
}
else
{
RemoveLight(map, pos);
}
}
}
private static void Scatter(OCMap map, List<Vector3i> list) { // рассеивание
OCSunLightMap lightmap = map.GetSunLightmap();
for(int i=0; i<list.Count; i++) {
Vector3i pos = list[i];
if(pos.y<0) continue;
OCBlockData block = map.GetBlock(pos);
int light = lightmap.GetLight(pos) - OCLightComputerUtils.GetLightStep(block);
if(light <= MIN_LIGHT) continue;
foreach(Vector3i dir in Vector3i.directions) {
Vector3i nextPos = pos + dir;
block = map.GetBlock(nextPos);
if( block.IsAlpha() && lightmap.SetMaxLight((byte)light, nextPos) ) {
list.Add( nextPos );
}
if(!block.IsEmpty()) OCLightComputerUtils.SetLightDirty(map, nextPos);
}
}
}
public static void ComputeRayAtPosition(OCMap map, int x, int z)
{
int maxY = map.GetMaxY(x, z);
map.GetSunLightmap().SetSunHeight(maxY + 1, x, z);
}
private static void RemoveLight(OCMap map, List<Vector3i> list) {
OCSunLightMap lightmap = map.GetSunLightmap();
foreach(Vector3i pos in list) {
lightmap.SetLight(MAX_LIGHT, pos);
}
List<Vector3i> lightPoints = new List<Vector3i>();
for(int i=0; i<list.Count; i++) {
Vector3i pos = list[i];
if(pos.y<0) continue;
if(lightmap.IsSunLight(pos.x, pos.y, pos.z)) {
lightPoints.Add( pos );
continue;
}
byte light = (byte) (lightmap.GetLight(pos) - STEP_LIGHT);
lightmap.SetLight(MIN_LIGHT, pos);
if (light <= MIN_LIGHT) continue;
foreach(Vector3i dir in Vector3i.directions) {
Vector3i nextPos = pos + dir;
OCBlockData block = map.GetBlock(nextPos);
if(block.IsAlpha()) {
if(lightmap.GetLight(nextPos) <= light) {
list.Add( nextPos );
} else {
lightPoints.Add( nextPos );
}
}
if(!block.IsEmpty()) OCLightComputerUtils.SetLightDirty(map, nextPos);
}
}
Scatter(map, lightPoints);
}
public static void Scatter(OCMap map, OCColumnMap columnMap, int cx, int cz) {
int x1 = cx*OCChunk.SIZE_X;
int z1 = cz*OCChunk.SIZE_Z;
int x2 = x1+OCChunk.SIZE_X;
int z2 = z1+OCChunk.SIZE_Z;
OCSunLightMap lightmap = map.GetSunLightmap();
list.Clear();
for(int x=x1; x<x2; x++) {
for(int z=z1; z<z2; z++) {
int maxY = ComputeMaxY(lightmap, x, z)+1;
for(int y=0; y<maxY; y++) {
if(lightmap.GetLight(x, y, z) > MIN_LIGHT) {
list.Add( new Vector3i(x, y, z) );
}
}
}
}
Scatter(map, columnMap, list);
}
public static void ComputeRayAtPosition(OCMap map, int x, int z) {
int maxY = map.GetMaxY( x, z );
map.GetSunLightmap().SetSunHeight(maxY+1, x, z);
}