dynmap-neoforge/src/main/java/org/dynmap/hdmap/DefaultHDShader.java
2011-07-07 00:35:59 -05:00

302 lines
13 KiB
Java

package org.dynmap.hdmap;
import static org.dynmap.JSONUtils.a;
import static org.dynmap.JSONUtils.s;
import java.io.File;
import java.util.HashSet;
import org.bukkit.block.Biome;
import org.dynmap.Color;
import org.dynmap.ColorScheme;
import org.dynmap.ConfigurationNode;
import org.dynmap.Log;
import org.dynmap.hdmap.HDMap.BlockStep;
import org.dynmap.kzedmap.KzedMapTile;
import org.dynmap.kzedmap.DefaultTileRenderer.BiomeColorOption;
import org.dynmap.utils.MapChunkCache;
import org.dynmap.utils.MapIterator;
import org.dynmap.utils.Vector3D;
import org.json.simple.JSONObject;
public class DefaultHDShader implements HDShader {
private ConfigurationNode configuration;
private String name;
protected ColorScheme colorScheme;
protected HashSet<Integer> highlightBlocks = new HashSet<Integer>();
protected Color highlightColor = new Color(255, 0, 0);
protected int shadowscale[]; /* index=skylight level, value = 256 * scaling value */
protected int lightscale[]; /* scale skylight level (light = lightscale[skylight] */
protected boolean night_and_day; /* If true, render both day (prefix+'-day') and night (prefix) tiles */
protected boolean transparency; /* Is transparency support active? */
public enum BiomeColorOption {
NONE, BIOME, TEMPERATURE, RAINFALL
}
protected BiomeColorOption biomecolored = BiomeColorOption.NONE; /* Use biome for coloring */
public DefaultHDShader(ConfigurationNode configuration) {
this.configuration = configuration;
name = (String) configuration.get("prefix");
double shadowweight = configuration.getDouble("shadowstrength", 0.0);
if(shadowweight > 0.0) {
shadowscale = new int[16];
shadowscale[15] = 256;
/* Normal brightness weight in MC is a 20% relative dropoff per step */
for(int i = 14; i >= 0; i--) {
double v = shadowscale[i+1] * (1.0 - (0.2 * shadowweight));
shadowscale[i] = (int)v;
if(shadowscale[i] > 256) shadowscale[i] = 256;
if(shadowscale[i] < 0) shadowscale[i] = 0;
}
}
int v = configuration.getInteger("ambientlight", -1);
if(v >= 0) {
lightscale = new int[16];
for(int i = 0; i < 16; i++) {
if(i < (15-v))
lightscale[i] = 0;
else
lightscale[i] = i - (15-v);
}
}
colorScheme = ColorScheme.getScheme((String)configuration.get("colorscheme"));
night_and_day = configuration.getBoolean("night-and-day", false);
transparency = configuration.getBoolean("transparency", true); /* Default on */
String biomeopt = configuration.getString("biomecolored", "none");
if(biomeopt.equals("biome")) {
biomecolored = BiomeColorOption.BIOME;
}
else if(biomeopt.equals("temperature")) {
biomecolored = BiomeColorOption.TEMPERATURE;
}
else if(biomeopt.equals("rainfall")) {
biomecolored = BiomeColorOption.RAINFALL;
}
else {
biomecolored = BiomeColorOption.NONE;
}
}
public boolean isBiomeDataNeeded() { return biomecolored == BiomeColorOption.BIOME; }
public boolean isRawBiomeDataNeeded() { return (biomecolored == BiomeColorOption.RAINFALL) || (biomecolored == BiomeColorOption.TEMPERATURE); };
public boolean isNightAndDayEnabled() { return night_and_day; }
public boolean isSkyLightLevelNeeded() { return (lightscale != null); }
public boolean isEmittedLightLevelNeeded() { return (shadowscale != null); }
public String getName() { return name; }
private class OurRendererState implements HDShaderState {
private Color color = new Color();
private Color daycolor;
protected MapIterator mapiter;
private Color tmpcolor = new Color();
private Color tmpdaycolor = new Color();
private int pixelodd;
private OurRendererState(MapIterator mapiter) {
this.mapiter = mapiter;
if(night_and_day) {
daycolor = new Color();
}
}
/**
* Reset renderer state for new ray
*/
public void reset(int x, int y, Vector3D raystart, double scale) {
color.setTransparent();
if(daycolor != null)
daycolor.setTransparent();
pixelodd = (x & 0x3) + (y<<1);
}
protected Color[] getBlockColors(int blocktype, int blockdata) {
if((blockdata != 0) && (colorScheme.datacolors[blocktype] != null))
return colorScheme.datacolors[blocktype][blockdata];
else
return colorScheme.colors[blocktype];
}
/**
* Process next ray step - called for each block on route
* @param blocktype - block type of current block
* @param blockdata - data nibble of current block
* @param skylightlevel - sky light level of previous block (surface on current block)
* @param emittedlightlevel - emitted light level of previous block (surface on current block)
* @param laststep - direction of last step
* @return true if ray is done, false if ray needs to continue
*/
public boolean processBlock(int blocktype, int blockdata, int skylightlevel, int emittedlightlevel, HDMap.BlockStep laststep) {
if(blocktype == 0)
return false;
Color[] colors = getBlockColors(blocktype, blockdata);
if (colors != null) {
int seq;
/* Figure out which color to use */
if((laststep == BlockStep.X_PLUS) || (laststep == BlockStep.X_MINUS))
seq = 1;
else if((laststep == BlockStep.Z_PLUS) || (laststep == BlockStep.Z_MINUS))
seq = 3;
else if(((pixelodd + mapiter.getY()) & 0x03) == 0)
seq = 2;
else
seq = 0;
Color c = colors[seq];
if (c.getAlpha() > 0) {
/* Handle light level, if needed */
int lightlevel = 15, lightlevel_day = 15;
if(shadowscale != null) {
lightlevel = lightlevel_day = skylightlevel;
if(lightscale != null)
lightlevel = lightscale[lightlevel];
if((lightlevel < 15) || (lightlevel_day < 15)) {
int emitted = emittedlightlevel;
lightlevel = Math.max(emitted, lightlevel);
lightlevel_day = Math.max(emitted, lightlevel_day);
}
}
/* Figure out our color, with lighting if needed */
tmpcolor.setColor(c);
if(lightlevel < 15) {
shadowColor(tmpcolor, lightlevel);
}
if(daycolor != null) {
if(lightlevel_day == lightlevel) {
tmpdaycolor.setColor(tmpcolor);
}
else {
tmpdaycolor.setColor(c);
if(lightlevel_day < 15) {
shadowColor(tmpdaycolor, lightlevel_day);
}
}
}
/* Blend color with accumulated color (weighted by alpha) */
if(!transparency) { /* No transparency support */
color.setARGB(tmpcolor.getARGB() | 0xFF000000);
if(daycolor != null)
daycolor.setARGB(tmpdaycolor.getARGB() | 0xFF000000);
return true; /* We're done */
}
/* If no previous color contribution, use new color */
else if(color.isTransparent()) {
color.setColor(tmpcolor);
if(daycolor != null)
daycolor.setColor(tmpdaycolor);
return (color.getAlpha() == 255);
}
/* Else, blend and generate new alpha */
else {
int alpha = color.getAlpha();
int alpha2 = tmpcolor.getAlpha() * (255-alpha) / 255;
int talpha = alpha + alpha2;
color.setRGBA((tmpcolor.getRed()*alpha2 + color.getRed()*alpha) / talpha,
(tmpcolor.getGreen()*alpha2 + color.getGreen()*alpha) / talpha,
(tmpcolor.getBlue()*alpha2 + color.getBlue()*alpha) / talpha, talpha);
if(daycolor != null)
daycolor.setRGBA((tmpdaycolor.getRed()*alpha2 + daycolor.getRed()*alpha) / talpha,
(tmpdaycolor.getGreen()*alpha2 + daycolor.getGreen()*alpha) / talpha,
(tmpdaycolor.getBlue()*alpha2 + daycolor.getBlue()*alpha) / talpha, talpha);
return (talpha >= 254); /* If only one short, no meaningful contribution left */
}
}
}
return false;
}
/**
* Ray ended - used to report that ray has exited map (called if renderer has not reported complete)
*/
public void rayFinished() {
}
/**
* Get result color - get resulting color for ray
* @param c - object to store color value in
* @param index - index of color to request (renderer specific - 0=default, 1=day for night/day renderer
*/
public void getRayColor(Color c, int index) {
if(index == 0)
c.setColor(color);
else if((index == 1) && (daycolor != null))
c.setColor(daycolor);
}
/**
* Clean up state object - called after last ray completed
*/
public void cleanup() {
}
private final void shadowColor(Color c, int lightlevel) {
int scale = shadowscale[lightlevel];
if(scale < 256)
c.setRGBA((c.getRed() * scale) >> 8, (c.getGreen() * scale) >> 8,
(c.getBlue() * scale) >> 8, c.getAlpha());
}
}
private class OurBiomeRendererState extends OurRendererState {
private OurBiomeRendererState(MapIterator mapiter) {
super(mapiter);
}
protected Color[] getBlockColors(int blocktype, int blockdata) {
Biome bio = mapiter.getBiome();
if(bio != null)
return colorScheme.biomecolors[bio.ordinal()];
return null;
}
}
private class OurBiomeRainfallRendererState extends OurRendererState {
private OurBiomeRainfallRendererState(MapIterator mapiter) {
super(mapiter);
}
protected Color[] getBlockColors(int blocktype, int blockdata) {
return colorScheme.getRainColor(mapiter.getRawBiomeRainfall());
}
}
private class OurBiomeTempRendererState extends OurRendererState {
private OurBiomeTempRendererState(MapIterator mapiter) {
super(mapiter);
}
protected Color[] getBlockColors(int blocktype, int blockdata) {
return colorScheme.getTempColor(mapiter.getRawBiomeTemperature());
}
}
/**
* Get renderer state object for use rendering a tile
* @param map - map being rendered
* @param cache - chunk cache containing data for tile to be rendered
* @param mapiter - iterator used when traversing rays in tile
* @return state object to use for all rays in tile
*/
public HDShaderState getStateInstance(HDMap map, MapChunkCache cache, MapIterator mapiter) {
switch(biomecolored) {
case NONE:
return new OurRendererState(mapiter);
case BIOME:
return new OurBiomeRendererState(mapiter);
case RAINFALL:
return new OurBiomeRainfallRendererState(mapiter);
case TEMPERATURE:
return new OurBiomeTempRendererState(mapiter);
}
return null;
}
@Override
public void buildClientConfiguration(JSONObject worldObject) {
ConfigurationNode c = configuration;
JSONObject o = new JSONObject();
s(o, "type", "HDMapType");
s(o, "name", c.getString("name"));
s(o, "title", c.getString("title"));
s(o, "icon", c.getString("icon"));
s(o, "prefix", c.getString("prefix"));
s(o, "background", c.getString("background"));
s(o, "nightandday", c.getBoolean("night-and-day", false));
s(o, "backgroundday", c.getString("backgroundday"));
s(o, "backgroundnight", c.getString("backgroundnight"));
a(worldObject, "maps", o);
}
}