458 lines
No EOL
14 KiB
Java
458 lines
No EOL
14 KiB
Java
package mekanism.induction.client;
|
|
|
|
import static org.lwjgl.opengl.GL11.GL_BLEND;
|
|
import static org.lwjgl.opengl.GL11.GL_ONE_MINUS_SRC_ALPHA;
|
|
import static org.lwjgl.opengl.GL11.GL_SMOOTH;
|
|
import static org.lwjgl.opengl.GL11.GL_SRC_ALPHA;
|
|
import static org.lwjgl.opengl.GL11.glBlendFunc;
|
|
import static org.lwjgl.opengl.GL11.glEnable;
|
|
import static org.lwjgl.opengl.GL11.glShadeModel;
|
|
|
|
import java.util.ArrayList;
|
|
import java.util.Collections;
|
|
import java.util.Comparator;
|
|
import java.util.HashMap;
|
|
import java.util.Iterator;
|
|
import java.util.List;
|
|
import java.util.Map;
|
|
import java.util.Random;
|
|
|
|
import mekanism.induction.common.MekanismInduction;
|
|
import net.minecraft.client.Minecraft;
|
|
import net.minecraft.client.particle.EntityFX;
|
|
import net.minecraft.client.renderer.Tessellator;
|
|
import net.minecraft.entity.player.EntityPlayer;
|
|
import net.minecraft.util.ResourceLocation;
|
|
import net.minecraft.world.World;
|
|
|
|
import org.lwjgl.opengl.GL11;
|
|
|
|
import universalelectricity.core.vector.Vector3;
|
|
import cpw.mods.fml.client.FMLClientHandler;
|
|
import cpw.mods.fml.relauncher.Side;
|
|
import cpw.mods.fml.relauncher.SideOnly;
|
|
|
|
/**
|
|
* Electric shock Fxs.
|
|
*
|
|
* @author Calclavia
|
|
*
|
|
*/
|
|
@SideOnly(Side.CLIENT)
|
|
public class FXElectricBolt extends EntityFX
|
|
{
|
|
public static final ResourceLocation TEXTURE = new ResourceLocation(MekanismInduction.DOMAIN, MekanismInduction.MODEL_TEXTURE_DIRECTORY + "fadedSphere.png");
|
|
public static final ResourceLocation PARTICLE_RESOURCE = new ResourceLocation("textures/particle/particles.png");
|
|
|
|
/** The width of the electrical bolt. */
|
|
private float boltWidth;
|
|
/** The maximum length of the bolt */
|
|
public double boltLength;
|
|
/** Electric Bolt's start and end positions; */
|
|
private BoltPoint start;
|
|
private BoltPoint end;
|
|
/** An array of the segments of the bolt. */
|
|
private List<BoltSegment> segments = new ArrayList<BoltSegment>();
|
|
private final Map<Integer, Integer> parentIDMap = new HashMap<Integer, Integer>();
|
|
/** Determines how complex the bolt is. */
|
|
public float complexity;
|
|
public int segmentCount;
|
|
private int maxSplitID;
|
|
private Random rand;
|
|
|
|
public FXElectricBolt(World world, Vector3 startVec, Vector3 targetVec, boolean doSplits)
|
|
{
|
|
super(world, startVec.x, startVec.y, startVec.z);
|
|
|
|
rand = new Random();
|
|
start = new BoltPoint(startVec);
|
|
end = new BoltPoint(targetVec);
|
|
|
|
if(end.y == Double.POSITIVE_INFINITY)
|
|
{
|
|
end.y = Minecraft.getMinecraft().thePlayer.posY + 30;
|
|
}
|
|
|
|
/** By default, we do an electrical color */
|
|
segmentCount = 1;
|
|
particleMaxAge = (3 + rand.nextInt(3) - 1);
|
|
complexity = 2f;
|
|
boltWidth = 0.05f;
|
|
boltLength = start.distance(end);
|
|
setUp(doSplits);
|
|
}
|
|
|
|
public FXElectricBolt(World world, Vector3 startVec, Vector3 targetVec)
|
|
{
|
|
this(world, startVec, targetVec, true);
|
|
}
|
|
|
|
/**
|
|
* Calculate all required segments of the entire bolt.
|
|
*/
|
|
private void setUp(boolean doSplits)
|
|
{
|
|
segments.add(new BoltSegment(start, end));
|
|
recalculate();
|
|
|
|
if(doSplits)
|
|
{
|
|
double offsetRatio = boltLength * complexity;
|
|
split(2, offsetRatio / 10, 0.7f, 0.1f, 20 / 2);
|
|
split(2, offsetRatio / 15, 0.5f, 0.1f, 25 / 2);
|
|
split(2, offsetRatio / 25, 0.5f, 0.1f, 28 / 2);
|
|
split(2, offsetRatio / 38, 0.5f, 0.1f, 30 / 2);
|
|
split(2, offsetRatio / 55, 0, 0, 0);
|
|
split(2, offsetRatio / 70, 0, 0, 0);
|
|
recalculate();
|
|
|
|
Collections.sort(segments, new Comparator()
|
|
{
|
|
public int compare(BoltSegment bolt1, BoltSegment bolt2)
|
|
{
|
|
return Float.compare(bolt2.alpha, bolt1.alpha);
|
|
}
|
|
|
|
@Override
|
|
public int compare(Object obj1, Object obj2)
|
|
{
|
|
return compare((BoltSegment) obj1, (BoltSegment) obj2);
|
|
}
|
|
});
|
|
}
|
|
}
|
|
|
|
public FXElectricBolt setColor(float r, float g, float b)
|
|
{
|
|
particleRed = r + (rand.nextFloat() * 0.1f) - 0.1f;
|
|
particleGreen = g + (rand.nextFloat() * 0.1f) - 0.1f;
|
|
particleBlue = b + (rand.nextFloat() * 0.1f) - 0.1f;
|
|
return this;
|
|
}
|
|
|
|
/**
|
|
* Slits a large segment into multiple smaller ones.
|
|
*
|
|
* @param splitAmount - The amount of splits
|
|
* @param offset - The multiplier scale for the offset.
|
|
* @param splitChance - The chance of creating a split.
|
|
* @param splitLength - The length of each split.
|
|
* @param splitAngle - The angle of the split.
|
|
*/
|
|
public void split(int splitAmount, double offset, float splitChance, float splitLength, float splitAngle)
|
|
{
|
|
/** Temporarily store old segments in a new array */
|
|
List<BoltSegment> oldSegments = segments;
|
|
segments = new ArrayList();
|
|
/** Previous segment */
|
|
BoltSegment prev = null;
|
|
|
|
for(BoltSegment segment : oldSegments)
|
|
{
|
|
prev = segment.prev;
|
|
/** Length of each subsegment */
|
|
Vector3 subSegment = segment.difference.clone().scale(1.0F / splitAmount);
|
|
|
|
/**
|
|
* Creates an array of new bolt points. The first and last points of the bolts are the
|
|
* respected start and end points of the current segment.
|
|
*/
|
|
BoltPoint[] newPoints = new BoltPoint[splitAmount + 1];
|
|
Vector3 startPoint = segment.start;
|
|
newPoints[0] = segment.start;
|
|
newPoints[splitAmount] = segment.end;
|
|
|
|
/**
|
|
* Create bolt points.
|
|
*/
|
|
for(int i = 1; i < splitAmount; i++)
|
|
{
|
|
Vector3 newOffset = segment.difference.getPerpendicular().rotate(rand.nextFloat() * 360, segment.difference).scale((rand.nextFloat() - 0.5F) * offset);
|
|
Vector3 basePoint = startPoint.clone().translate(subSegment.clone().scale(i));
|
|
|
|
newPoints[i] = new BoltPoint(basePoint, newOffset);
|
|
}
|
|
|
|
for(int i = 0; i < splitAmount; i++)
|
|
{
|
|
BoltSegment next = new BoltSegment(newPoints[i], newPoints[(i + 1)], segment.alpha, segment.id * splitAmount + i, segment.splitID);
|
|
next.prev = prev;
|
|
|
|
if(prev != null)
|
|
{
|
|
prev.next = next;
|
|
}
|
|
|
|
if((i != 0) && (rand.nextFloat() < splitChance))
|
|
{
|
|
Vector3 splitrot = next.difference.xCrossProduct().rotate(rand.nextFloat() * 360, next.difference);
|
|
Vector3 diff = next.difference.clone().rotate((rand.nextFloat() * 0.66F + 0.33F) * splitAngle, splitrot).scale(splitLength);
|
|
maxSplitID += 1;
|
|
parentIDMap.put(maxSplitID, next.splitID);
|
|
BoltSegment split = new BoltSegment(newPoints[i], new BoltPoint(newPoints[(i + 1)].base, newPoints[(i + 1)].offset.clone().translate(diff)), segment.alpha / 2f, next.id, maxSplitID);
|
|
split.prev = prev;
|
|
segments.add(split);
|
|
}
|
|
|
|
prev = next;
|
|
segments.add(next);
|
|
}
|
|
|
|
if(segment.next != null)
|
|
{
|
|
segment.next.prev = prev;
|
|
}
|
|
}
|
|
|
|
segmentCount *= splitAmount;
|
|
|
|
}
|
|
|
|
private void recalculate()
|
|
{
|
|
HashMap<Integer, Integer> lastActiveSegment = new HashMap<Integer, Integer>();
|
|
|
|
Collections.sort(segments, new Comparator()
|
|
{
|
|
public int compare(BoltSegment o1, BoltSegment o2)
|
|
{
|
|
int comp = Integer.valueOf(o1.splitID).compareTo(Integer.valueOf(o2.splitID));
|
|
|
|
if(comp == 0)
|
|
{
|
|
return Integer.valueOf(o1.id).compareTo(Integer.valueOf(o2.id));
|
|
}
|
|
|
|
return comp;
|
|
}
|
|
|
|
@Override
|
|
public int compare(Object obj, Object obj1)
|
|
{
|
|
return compare((BoltSegment) obj, (BoltSegment) obj1);
|
|
}
|
|
});
|
|
|
|
int lastSplitCalc = 0;
|
|
int lastActiveSeg = 0;
|
|
|
|
for(BoltSegment segment : segments)
|
|
{
|
|
if(segment.splitID > lastSplitCalc)
|
|
{
|
|
lastActiveSegment.put(lastSplitCalc, lastActiveSeg);
|
|
lastSplitCalc = segment.splitID;
|
|
lastActiveSeg = lastActiveSegment.get(parentIDMap.get(segment.splitID)).intValue();
|
|
}
|
|
|
|
lastActiveSeg = segment.id;
|
|
}
|
|
|
|
lastActiveSegment.put(lastSplitCalc, lastActiveSeg);
|
|
lastSplitCalc = 0;
|
|
lastActiveSeg = lastActiveSegment.get(0).intValue();
|
|
BoltSegment segment;
|
|
|
|
for(Iterator<BoltSegment> iterator = segments.iterator(); iterator.hasNext(); segment.recalculate())
|
|
{
|
|
segment = iterator.next();
|
|
|
|
if(lastSplitCalc != segment.splitID)
|
|
{
|
|
lastSplitCalc = segment.splitID;
|
|
lastActiveSeg = lastActiveSegment.get(segment.splitID);
|
|
}
|
|
|
|
if(segment.id > lastActiveSeg)
|
|
{
|
|
iterator.remove();
|
|
}
|
|
}
|
|
}
|
|
|
|
@Override
|
|
public void onUpdate()
|
|
{
|
|
prevPosX = posX;
|
|
prevPosY = posY;
|
|
prevPosZ = posZ;
|
|
|
|
if(particleAge++ >= particleMaxAge)
|
|
{
|
|
setDead();
|
|
}
|
|
}
|
|
|
|
@Override
|
|
public void renderParticle(Tessellator tessellator, float partialframe, float cosYaw, float cosPitch, float sinYaw, float sinSinPitch, float cosSinPitch)
|
|
{
|
|
EntityPlayer player = Minecraft.getMinecraft().thePlayer;
|
|
|
|
tessellator.draw();
|
|
GL11.glPushMatrix();
|
|
|
|
GL11.glDepthMask(false);
|
|
GL11.glEnable(3042);
|
|
|
|
glShadeModel(GL_SMOOTH);
|
|
glEnable(GL_BLEND);
|
|
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
|
|
|
|
FMLClientHandler.instance().getClient().renderEngine.bindTexture(TEXTURE);
|
|
/**
|
|
* Render the actual bolts.
|
|
*/
|
|
tessellator.startDrawingQuads();
|
|
tessellator.setBrightness(15728880);
|
|
Vector3 playerVector = new Vector3(sinYaw * -cosPitch, -cosSinPitch / cosYaw, cosYaw * cosPitch);
|
|
|
|
int renderlength = (int)((particleAge + partialframe + (int)(boltLength * 3.0F)) / (int)(boltLength * 3.0F) * segmentCount);
|
|
|
|
for(BoltSegment segment : segments)
|
|
{
|
|
if(segment != null && segment.id <= renderlength)
|
|
{
|
|
double renderWidth = boltWidth * ((new Vector3(player).distance(segment.start) / 5f + 1f) * (1 + segment.alpha) * 0.5f);
|
|
renderWidth = Math.min(boltWidth, Math.max(renderWidth, 0));
|
|
|
|
if(segment.difference.getMagnitude() > 0 && segment.difference.getMagnitude() != Double.NaN && segment.difference.getMagnitude() != Double.POSITIVE_INFINITY && renderWidth > 0 && renderWidth != Double.NaN && renderWidth != Double.POSITIVE_INFINITY)
|
|
{
|
|
Vector3 diffPrev = playerVector.crossProduct(segment.prevDiff).scale(renderWidth / segment.sinPrev);
|
|
Vector3 diffNext = playerVector.crossProduct(segment.nextDiff).scale(renderWidth / segment.sinNext);
|
|
Vector3 startVec = segment.start;
|
|
Vector3 endVec = segment.end;
|
|
float rx1 = (float)(startVec.x - interpPosX);
|
|
float ry1 = (float)(startVec.y - interpPosY);
|
|
float rz1 = (float)(startVec.z - interpPosZ);
|
|
float rx2 = (float)(endVec.x - interpPosX);
|
|
float ry2 = (float)(endVec.y - interpPosY);
|
|
float rz2 = (float)(endVec.z - interpPosZ);
|
|
|
|
tessellator.setColorRGBA_F(particleRed, particleGreen, particleBlue, (1.0F - (particleAge >= 0 ? ((float)particleAge / (float)particleMaxAge) : 0.0F) * 0.6f) * segment.alpha);
|
|
tessellator.addVertexWithUV(rx2 - diffNext.x, ry2 - diffNext.y, rz2 - diffNext.z, 0.5D, 0.0D);
|
|
tessellator.addVertexWithUV(rx1 - diffPrev.x, ry1 - diffPrev.y, rz1 - diffPrev.z, 0.5D, 0.0D);
|
|
tessellator.addVertexWithUV(rx1 + diffPrev.x, ry1 + diffPrev.y, rz1 + diffPrev.z, 0.5D, 1.0D);
|
|
tessellator.addVertexWithUV(rx2 + diffNext.x, ry2 + diffNext.y, rz2 + diffNext.z, 0.5D, 1.0D);
|
|
|
|
/**
|
|
* Render the bolts balls.
|
|
*/
|
|
|
|
if(segment.next == null)
|
|
{
|
|
Vector3 roundEnd = segment.end.clone().translate(segment.difference.clone().normalize().scale(renderWidth));
|
|
float rx3 = (float)(roundEnd.x - interpPosX);
|
|
float ry3 = (float)(roundEnd.y - interpPosY);
|
|
float rz3 = (float)(roundEnd.z - interpPosZ);
|
|
tessellator.addVertexWithUV(rx3 - diffNext.x, ry3 - diffNext.y, rz3 - diffNext.z, 0.0D, 0.0D);
|
|
tessellator.addVertexWithUV(rx2 - diffNext.x, ry2 - diffNext.y, rz2 - diffNext.z, 0.5D, 0.0D);
|
|
tessellator.addVertexWithUV(rx2 + diffNext.x, ry2 + diffNext.y, rz2 + diffNext.z, 0.5D, 1.0D);
|
|
tessellator.addVertexWithUV(rx3 + diffNext.x, ry3 + diffNext.y, rz3 + diffNext.z, 0.0D, 1.0D);
|
|
}
|
|
|
|
if(segment.prev == null)
|
|
{
|
|
Vector3 roundEnd = segment.start.clone().difference(segment.difference.clone().normalize().scale(renderWidth));
|
|
float rx3 = (float)(roundEnd.x - interpPosX);
|
|
float ry3 = (float)(roundEnd.y - interpPosY);
|
|
float rz3 = (float)(roundEnd.z - interpPosZ);
|
|
tessellator.addVertexWithUV(rx1 - diffPrev.x, ry1 - diffPrev.y, rz1 - diffPrev.z, 0.5D, 0.0D);
|
|
tessellator.addVertexWithUV(rx3 - diffPrev.x, ry3 - diffPrev.y, rz3 - diffPrev.z, 0.0D, 0.0D);
|
|
tessellator.addVertexWithUV(rx3 + diffPrev.x, ry3 + diffPrev.y, rz3 + diffPrev.z, 0.0D, 1.0D);
|
|
tessellator.addVertexWithUV(rx1 + diffPrev.x, ry1 + diffPrev.y, rz1 + diffPrev.z, 0.5D, 1.0D);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
tessellator.draw();
|
|
|
|
GL11.glDisable(3042);
|
|
GL11.glDepthMask(true);
|
|
GL11.glPopMatrix();
|
|
|
|
FMLClientHandler.instance().getClient().renderEngine.bindTexture(PARTICLE_RESOURCE);
|
|
|
|
tessellator.startDrawingQuads();
|
|
}
|
|
|
|
private class BoltPoint extends Vector3
|
|
{
|
|
public Vector3 base;
|
|
public Vector3 offset;
|
|
|
|
public BoltPoint(Vector3 b, Vector3 o)
|
|
{
|
|
super(b.clone().translate(o));
|
|
base = b;
|
|
offset = o;
|
|
}
|
|
|
|
public BoltPoint(Vector3 base)
|
|
{
|
|
this(base, new Vector3());
|
|
}
|
|
}
|
|
|
|
private class BoltSegment
|
|
{
|
|
public BoltPoint start;
|
|
public BoltPoint end;
|
|
public BoltSegment prev;
|
|
public BoltSegment next;
|
|
public float alpha;
|
|
public int id;
|
|
public int splitID;
|
|
|
|
/**
|
|
* All differences are cached.
|
|
*/
|
|
public Vector3 difference;
|
|
public Vector3 prevDiff;
|
|
public Vector3 nextDiff;
|
|
public double sinPrev;
|
|
public double sinNext;
|
|
|
|
public BoltSegment(BoltPoint start, BoltPoint end)
|
|
{
|
|
this(start, end, 1, 0, 0);
|
|
}
|
|
|
|
public BoltSegment(BoltPoint s, BoltPoint e, float a, int i, int id)
|
|
{
|
|
start = s;
|
|
end = e;
|
|
alpha = a;
|
|
id = i;
|
|
splitID = id;
|
|
difference = end.clone().difference(start);
|
|
}
|
|
|
|
public void recalculate()
|
|
{
|
|
if(prev != null)
|
|
{
|
|
Vector3 prevDiffNorm = prev.difference.clone().normalize();
|
|
Vector3 diffNorm = difference.clone().normalize();
|
|
prevDiff = diffNorm.clone().translate(prevDiffNorm).normalize();
|
|
sinPrev = Math.sin(diffNorm.anglePreNorm(prevDiffNorm.clone().scale(-1)) / 2);
|
|
}
|
|
else {
|
|
prevDiff = difference.clone().normalize();
|
|
sinPrev = 1;
|
|
}
|
|
|
|
if(next != null)
|
|
{
|
|
Vector3 nextDiffNorm = next.difference.clone().normalize();
|
|
Vector3 diffNorm = difference.clone().normalize();
|
|
nextDiff = diffNorm.clone().translate(nextDiffNorm).normalize();
|
|
sinNext = Math.sin(diffNorm.anglePreNorm(nextDiffNorm.clone().scale(-1)) / 2);
|
|
}
|
|
else {
|
|
nextDiff = difference.clone().normalize();
|
|
sinNext = 1;
|
|
}
|
|
}
|
|
}
|
|
} |