package org.dynmap.hdmap;
import static org.dynmap.JSONUtils.s;
import java.io.IOException;
import org.dynmap.Color;
import org.dynmap.ColorScheme;
import org.dynmap.ConfigurationNode;
import org.dynmap.DynmapCore;
import org.dynmap.MapManager;
import org.dynmap.common.BiomeMap;
import org.dynmap.common.DynmapCommandSender;
import org.dynmap.exporter.OBJExport;
import org.dynmap.utils.BlockStep;
import org.dynmap.utils.DynLongHashMap;
import org.dynmap.utils.MapChunkCache;
import org.dynmap.utils.MapIterator;
import org.json.simple.JSONObject;
public class DefaultHDShader implements HDShader {
private String name;
protected ColorScheme colorScheme;
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(DynmapCore core, ConfigurationNode configuration) {
name = (String) configuration.get("name");
colorScheme = ColorScheme.getScheme(core, configuration.getString("colorscheme", "default"));
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;
}
}
@Override
public boolean isBiomeDataNeeded() {
return biomecolored == BiomeColorOption.BIOME;
}
@Override
public boolean isRawBiomeDataNeeded() {
return (biomecolored == BiomeColorOption.RAINFALL) || (biomecolored == BiomeColorOption.TEMPERATURE);
}
@Override
public boolean isHightestBlockYDataNeeded() {
return false;
}
@Override
public boolean isBlockTypeDataNeeded() {
return true;
}
@Override
public boolean isSkyLightLevelNeeded() {
return false;
}
@Override
public boolean isEmittedLightLevelNeeded() {
return false;
}
@Override
public String getName() {
return name;
}
private class OurShaderState implements HDShaderState {
private Color color[];
protected MapIterator mapiter;
protected HDMap map;
private Color tmpcolor[];
private int pixelodd;
private HDLighting lighting;
final int[] lightingTable;
private OurShaderState(MapIterator mapiter, HDMap map, MapChunkCache cache) {
this.mapiter = mapiter;
this.map = map;
this.lighting = map.getLighting();
if(lighting.isNightAndDayEnabled()) {
color = new Color[] { new Color(), new Color() };
tmpcolor = new Color[] { new Color(), new Color() };
}
else {
color = new Color[] { new Color() };
tmpcolor = new Color[] { new Color() };
}
if (MapManager.mapman.useBrightnessTable()) {
lightingTable = cache.getWorld().getBrightnessTable();
}
else {
lightingTable = null;
}
}
/**
* Get our shader
*/
public HDShader getShader() {
return DefaultHDShader.this;
}
/**
* Get our map
*/
public HDMap getMap() {
return map;
}
/**
* Get our lighting
*/
public HDLighting getLighting() {
return lighting;
}
/**
* Reset renderer state for new ray
*/
public void reset(HDPerspectiveState ps) {
for(int i = 0; i < color.length; i++)
color[i].setTransparent();
pixelodd = (ps.getPixelX() & 0x3) + (ps.getPixelY()<<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
* @return true if ray is done, false if ray needs to continue
*/
public boolean processBlock(HDPerspectiveState ps) {
int i;
int blocktype = ps.getBlockTypeID();
if(blocktype == 0)
return false;
Color[] colors = getBlockColors(blocktype, ps.getBlockData());
if (colors != null) {
int seq;
int subalpha = ps.getSubmodelAlpha();
/* Figure out which color to use */
switch(ps.getLastBlockStep()) {
case X_PLUS:
case X_MINUS:
seq = 2;
break;
case Z_PLUS:
case Z_MINUS:
seq = 0;
break;
default:
//if(subalpha >= 0) /* We hit a block in a model */
// seq = 4; /* Use smooth top */
//else
if(((pixelodd + mapiter.getY()) & 0x03) == 0)
seq = 3;
else
seq = 1;
break;
}
Color c = colors[seq];
if (c.getAlpha() > 0) {
/* Handle light level, if needed */
lighting.applyLighting(ps, this, c, tmpcolor);
/* If we got alpha from subblock model, use it instead */
if(subalpha >= 0) {
for(int j = 0; j < tmpcolor.length; j++)
tmpcolor[j].setAlpha(Math.max(subalpha,tmpcolor[j].getAlpha()));
}
/* Blend color with accumulated color (weighted by alpha) */
if(!transparency) { /* No transparency support */
for(i = 0; i < color.length; i++)
color[i].setARGB(tmpcolor[i].getARGB() | 0xFF000000);
return true; /* We're done */
}
/* If no previous color contribution, use new color */
else if(color[0].isTransparent()) {
for(i = 0; i < color.length; i++)
color[i].setColor(tmpcolor[i]);
return (color[0].getAlpha() == 255);
}
/* Else, blend and generate new alpha */
else {
int alpha = color[0].getAlpha();
int alpha2 = tmpcolor[0].getAlpha() * (255-alpha) / 255;
int talpha = alpha + alpha2;
for(i = 0; i < color.length; i++)
color[i].setRGBA((tmpcolor[i].getRed()*alpha2 + color[i].getRed()*alpha) / talpha,
(tmpcolor[i].getGreen()*alpha2 + color[i].getGreen()*alpha) / talpha,
(tmpcolor[i].getBlue()*alpha2 + color[i].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(HDPerspectiveState ps) {
}
/**
* 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) {
c.setColor(color[index]);
}
/**
* Clean up state object - called after last ray completed
*/
public void cleanup() {
}
@Override
public DynLongHashMap getCTMTextureCache() {
return null;
}
@Override
public int[] getLightingTable() {
return lightingTable;
}
}
private class OurBiomeShaderState extends OurShaderState {
private OurBiomeShaderState(MapIterator mapiter, HDMap map, MapChunkCache cache) {
super(mapiter, map, cache);
}
protected Color[] getBlockColors(int blocktype, int blockdata) {
BiomeMap bio = mapiter.getBiome();
if(bio != null)
return colorScheme.biomecolors[bio.ordinal()];
return null;
}
}
private class OurBiomeRainfallShaderState extends OurShaderState {
private OurBiomeRainfallShaderState(MapIterator mapiter, HDMap map, MapChunkCache cache) {
super(mapiter, map, cache);
}
protected Color[] getBlockColors(int blocktype, int blockdata) {
return colorScheme.getRainColor(mapiter.getBiome().getRainfall());
}
}
private class OurBiomeTempShaderState extends OurShaderState {
private OurBiomeTempShaderState(MapIterator mapiter, HDMap map, MapChunkCache cache) {
super(mapiter, map, cache);
}
protected Color[] getBlockColors(int blocktype, int blockdata) {
return colorScheme.getTempColor(mapiter.getBiome().getTemperature());
}
}
/**
* 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
* @param scale - scale of the perspecitve
* @return state object to use for all rays in tile
*/
@Override
public HDShaderState getStateInstance(HDMap map, MapChunkCache cache, MapIterator mapiter, int scale) {
switch(biomecolored) {
case NONE:
return new OurShaderState(mapiter, map, cache);
case BIOME:
return new OurBiomeShaderState(mapiter, map, cache);
case RAINFALL:
return new OurBiomeRainfallShaderState(mapiter, map, cache);
case TEMPERATURE:
return new OurBiomeTempShaderState(mapiter, map, cache);
}
return null;
}
/* Add shader's contributions to JSON for map object */
public void addClientConfiguration(JSONObject mapObject) {
s(mapObject, "shader", name);
}
@Override
public void exportAsMaterialLibrary(DynmapCommandSender sender, OBJExport out) throws IOException {
throw new IOException("Export unsupported");
}
private static final String[] nulllist = new String[0];
@Override
public String[] getCurrentBlockMaterials(int blkid, int blkdata, int renderdata, MapIterator mapiter, int[] txtidx, BlockStep[] steps) {
return nulllist;
}
}