/** Update sky and emitted light */
private final void updateLightLevel() {
/* Look up transparency for current block */
BlockTransparency bt = HDTextureMap.getTransparency(blocktypeid);
if (bt == BlockTransparency.TRANSPARENT) {
skylevel = mapiter.getBlockSkyLight();
emitlevel = mapiter.getBlockEmittedLight();
} else if (HDTextureMap.getTransparency(lastblocktypeid)
!= BlockTransparency.SEMITRANSPARENT) {
mapiter.unstepPosition(laststep); /* Back up to block we entered on */
if (mapiter.getY() < 128) {
emitlevel = mapiter.getBlockEmittedLight();
skylevel = mapiter.getBlockSkyLight();
} else {
emitlevel = 0;
skylevel = 15;
}
mapiter.stepPosition(laststep);
} else {
mapiter.unstepPosition(laststep); /* Back up to block we entered on */
if (mapiter.getY() < 128) {
mapiter.stepPosition(BlockStep.Y_PLUS); /* Look above */
emitlevel = mapiter.getBlockEmittedLight();
skylevel = mapiter.getBlockSkyLight();
mapiter.stepPosition(BlockStep.Y_MINUS);
} else {
emitlevel = 0;
skylevel = 15;
}
mapiter.stepPosition(laststep);
}
}
protected void scan(
DynmapWorld world,
int seq,
boolean isnether,
final Color result,
final Color result_day,
MapIterator mapiter) {
int lightlevel = 15;
int lightlevel_day = 15;
BiomeMap bio = null;
double rain = 0.0;
double temp = 0.0;
result.setTransparent();
if (result_day != null) result_day.setTransparent();
for (; ; ) {
if (mapiter.getY() < 0) {
return;
}
int id = mapiter.getBlockTypeID();
int data = 0;
if (isnether) {
/* Make bedrock ceiling into air in nether */
if (id != 0) {
/* Remember first color we see, in case we wind up solid */
if (result.isTransparent()) {
try {
if (colorScheme.colors[id] != null) {
result.setColor(colorScheme.colors[id][seq]);
}
} catch (ArrayIndexOutOfBoundsException aioobx) {
colorScheme.resizeColorArray(id);
}
}
id = 0;
} else isnether = false;
}
if (id != 0) {
/* No update needed for air */
switch (biomecolored) {
case NONE:
try {
if (colorScheme.datacolors[id] != null) {
/* If data colored */
data = mapiter.getBlockData();
}
} catch (ArrayIndexOutOfBoundsException aioobx) {
colorScheme.resizeColorArray(id);
}
break;
case BIOME:
bio = mapiter.getBiome();
break;
case RAINFALL:
rain = mapiter.getRawBiomeRainfall();
break;
case TEMPERATURE:
temp = mapiter.getRawBiomeTemperature();
break;
}
if ((shadowscale != null) && (mapiter.getY() < (mapiter.getWorldHeight() - 1))) {
/* Find light level of previous chunk */
BlockStep last = mapiter.unstepPosition();
lightlevel = lightlevel_day = mapiter.getBlockSkyLight();
if (lightscale != null) lightlevel = lightscale[lightlevel];
if ((lightlevel < 15) || (lightlevel_day < 15)) {
int emitted = mapiter.getBlockEmittedLight();
lightlevel = Math.max(emitted, lightlevel);
lightlevel_day = Math.max(emitted, lightlevel_day);
}
mapiter.stepPosition(last);
}
}
switch (seq) {
case 0:
mapiter.stepPosition(BlockStep.X_MINUS);
break;
case 1:
case 3:
mapiter.stepPosition(BlockStep.Y_MINUS);
break;
case 2:
mapiter.stepPosition(BlockStep.Z_PLUS);
break;
}
seq = (seq + 1) & 3;
if (id != 0) {
if (highlightBlocks.contains(id)) {
result.setColor(highlightColor);
return;
}
Color[] colors = null;
switch (biomecolored) {
case NONE:
try {
if (data != 0) colors = colorScheme.datacolors[id][data];
else colors = colorScheme.colors[id];
} catch (ArrayIndexOutOfBoundsException aioobx) {
colorScheme.resizeColorArray(id);
}
break;
case BIOME:
if (bio != null) colors = colorScheme.biomecolors[bio.ordinal()];
break;
case RAINFALL:
colors = colorScheme.getRainColor(rain);
break;
case TEMPERATURE:
colors = colorScheme.getTempColor(temp);
break;
}
if (colors != null) {
Color c = colors[seq];
if (c.getAlpha() > 0) {
/* we found something that isn't transparent, or not doing transparency */
if ((!transparency) || (c.getAlpha() == 255)) {
/* it's opaque - the ray ends here */
result.setARGB(c.getARGB() | 0xFF000000);
if (lightlevel < 15) {
/* Not full light? */
shadowColor(result, lightlevel);
}
if (result_day != null) {
if (lightlevel_day == lightlevel) /* Same light = same result */
result_day.setColor(result);
else {
result_day.setColor(c);
if (lightlevel_day < 15) shadowColor(result_day, lightlevel_day);
}
}
return;
}
/* this block is transparent, so recurse */
scan(world, seq, isnether, result, result_day, mapiter);
int cr = c.getRed();
int cg = c.getGreen();
int cb = c.getBlue();
int ca = c.getAlpha();
if (lightlevel < 15) {
int scale = shadowscale[lightlevel];
cr = (cr * scale) >> 8;
cg = (cg * scale) >> 8;
cb = (cb * scale) >> 8;
}
cr *= ca;
cg *= ca;
cb *= ca;
int na = 255 - ca;
result.setRGBA(
(result.getRed() * na + cr) >> 8,
(result.getGreen() * na + cg) >> 8,
(result.getBlue() * na + cb) >> 8,
255);
/* Handle day also */
if (result_day != null) {
cr = c.getRed();
cg = c.getGreen();
cb = c.getBlue();
if (lightlevel_day < 15) {
int scale = shadowscale[lightlevel_day];
cr = (cr * scale) >> 8;
cg = (cg * scale) >> 8;
cb = (cb * scale) >> 8;
}
cr *= ca;
cg *= ca;
cb *= ca;
result_day.setRGBA(
(result_day.getRed() * na + cr) >> 8,
(result_day.getGreen() * na + cg) >> 8,
(result_day.getBlue() * na + cb) >> 8,
255);
}
return;
}
}
}
}
}