// get the color value at the given point
public Vec3 getColor(Vec3 p, Vec3 n, Vec3 d, Vec3 difCol, Vec3 spCol, int exp) {
Vec3 color = new Vec3(0, 0, 0);
Vec3 l = getDir().negate();
Ray newRay = new Ray(p, l);
HitRecord srec = new HitRecord();
if (Data.getSettings().isA()) {
if (Data.hasIntersection(newRay, 0.001, Double.POSITIVE_INFINITY, srec)) {
// System.out.println("In shadow");
return color;
} else {
l = l.normalize();
if (Data.getSettings().isD()) {
double nDotl = n.dotProduct(l);
color = color.addVec(difCol.multScalar(i * Math.max(0, nDotl)));
}
if (Data.getSettings().isS()) {
Vec3 h = l.subVec(d).normalize();
double nDotH = n.dotProduct(h);
color = color.addVec(spCol.multScalar(i * Math.pow(Math.max(0, nDotH), exp)));
}
}
} else {
l = l.normalize();
if (Data.getSettings().isD()) {
double nDotl = n.dotProduct(l);
color = color.addVec(difCol.multScalar(i * Math.max(0, nDotl)));
}
if (Data.getSettings().isS()) {
Vec3 h = l.subVec(d).normalize();
double nDotH = n.dotProduct(h);
color = color.addVec(spCol.multScalar(i * Math.pow(Math.max(0, nDotH), exp)));
}
}
return color;
}
/** Returns a vector indicating the direction and intensity of fluid flow. */
private Vec3 getFlowVector(IBlockAccess par1IBlockAccess, int par2, int par3, int par4) {
Vec3 var5 = Vec3.getVec3Pool().getVecFromPool(0.0D, 0.0D, 0.0D);
int var6 = this.getEffectiveFlowDecay(par1IBlockAccess, par2, par3, par4);
for (int var7 = 0; var7 < 4; ++var7) {
int var8 = par2;
int var10 = par4;
if (var7 == 0) {
var8 = par2 - 1;
}
if (var7 == 1) {
var10 = par4 - 1;
}
if (var7 == 2) {
++var8;
}
if (var7 == 3) {
++var10;
}
int var11 = this.getEffectiveFlowDecay(par1IBlockAccess, var8, par3, var10);
int var12;
if (var11 < 0) {
if (!par1IBlockAccess.getBlockMaterial(var8, par3, var10).blocksMovement()) {
var11 = this.getEffectiveFlowDecay(par1IBlockAccess, var8, par3 - 1, var10);
if (var11 >= 0) {
var12 = var11 - (var6 - 8);
var5 =
var5.addVector(
(double) ((var8 - par2) * var12),
(double) ((par3 - par3) * var12),
(double) ((var10 - par4) * var12));
}
}
} else if (var11 >= 0) {
var12 = var11 - var6;
var5 =
var5.addVector(
(double) ((var8 - par2) * var12),
(double) ((par3 - par3) * var12),
(double) ((var10 - par4) * var12));
}
}
if (par1IBlockAccess.getBlockMetadata(par2, par3, par4) >= 8) {
boolean var13 = false;
if (var13 || this.isBlockSolid(par1IBlockAccess, par2, par3, par4 - 1, 2)) {
var13 = true;
}
if (var13 || this.isBlockSolid(par1IBlockAccess, par2, par3, par4 + 1, 3)) {
var13 = true;
}
if (var13 || this.isBlockSolid(par1IBlockAccess, par2 - 1, par3, par4, 4)) {
var13 = true;
}
if (var13 || this.isBlockSolid(par1IBlockAccess, par2 + 1, par3, par4, 5)) {
var13 = true;
}
if (var13 || this.isBlockSolid(par1IBlockAccess, par2, par3 + 1, par4 - 1, 2)) {
var13 = true;
}
if (var13 || this.isBlockSolid(par1IBlockAccess, par2, par3 + 1, par4 + 1, 3)) {
var13 = true;
}
if (var13 || this.isBlockSolid(par1IBlockAccess, par2 - 1, par3 + 1, par4, 4)) {
var13 = true;
}
if (var13 || this.isBlockSolid(par1IBlockAccess, par2 + 1, par3 + 1, par4, 5)) {
var13 = true;
}
if (var13) {
var5 = var5.normalize().addVector(0.0D, -6.0D, 0.0D);
}
}
var5 = var5.normalize();
return var5;
}
public void draw(GL2 gl) {
if (particles.size() == 0) return;
switch (blendMode) {
case 0: // '\0'
gl.glDisable(3042);
gl.glDisable(3008);
break;
case 1: // '\001'
gl.glEnable(3042);
gl.glDisable(3008);
gl.glBlendFunc(768, 1);
break;
case 2: // '\002'
gl.glEnable(3042);
gl.glDisable(3008);
gl.glBlendFunc(770, 1);
break;
case 3: // '\003'
gl.glDisable(3042);
gl.glEnable(3008);
break;
case 4: // '\004'
gl.glEnable(3042);
gl.glDisable(3008);
gl.glBlendFunc(770, 1);
break;
}
gl.glBindTexture(3553, model.mMaterials[texture].mTextureId);
gl.glPushMatrix();
if (particleType == 0 || particleType == 2) {
if ((flags & 0x1000) == 0) {
Vec3 view = new Vec3(viewer.getCamera().getPosition());
view.normalize();
Vec3 right = Vec3.cross(view, new Vec3(0.0F, 0.0F, 1.0F)).normalize();
Vec3 up = Vec3.cross(right, view).normalize();
int tcStart = 0;
if (flags == 0x40019) tcStart++;
gl.glBegin(7);
int count = particles.size();
Vec3 pos = new Vec3();
Vec3 cPos = new Vec3();
Vec3 ofs = new Vec3();
for (int i = 0; i < count; i++) {
Particle p = (Particle) particles.get(i);
if (p.tile < texCoords.size()) {
gl.glColor4f(p.color.x, p.color.y, p.color.z, p.color.w);
Point2f tc[] = (Point2f[]) texCoords.get(p.tile);
Vec3.add(right, up, ofs);
cPos.set(p.pos);
Vec3.sub(cPos, ofs.scale(p.size), pos);
gl.glTexCoord2f(tc[tcStart % 4].x, tc[tcStart % 4].y);
gl.glVertex3f(pos.x, pos.y, pos.z);
Vec3.sub(right, up, ofs);
Vec3.add(cPos, ofs.scale(p.size), pos);
gl.glTexCoord2f(tc[(tcStart + 1) % 4].x, tc[(tcStart + 1) % 4].y);
gl.glVertex3f(pos.x, pos.y, pos.z);
Vec3.add(right, up, ofs);
Vec3.add(cPos, ofs.scale(p.size), pos);
gl.glTexCoord2f(tc[(tcStart + 2) % 4].x, tc[(tcStart + 2) % 4].y);
gl.glVertex3f(pos.x, pos.y, pos.z);
Vec3.sub(right, up, ofs);
Vec3.sub(cPos, ofs.scale(p.size), pos);
gl.glTexCoord2f(tc[(tcStart + 3) % 4].x, tc[(tcStart + 3) % 4].y);
gl.glVertex3f(pos.x, pos.y, pos.z);
}
}
gl.glEnd();
} else {
gl.glBegin(7);
int count = particles.size();
Vec3 pos = new Vec3();
Vec3 ofs = new Vec3();
for (int i = 0; i < count; i++) {
Particle p = (Particle) particles.get(i);
if (p.tile < texCoords.size()) {
gl.glColor4f(p.color.x, p.color.y, p.color.z, p.color.w);
Point2f tc[] = (Point2f[]) texCoords.get(p.tile);
Vec3.add(p.pos, Vec3.scale(p.corners[0], p.size, ofs), pos);
gl.glTexCoord2f(tc[0].x, tc[0].y);
gl.glVertex3f(pos.x, pos.y, pos.z);
Vec3.add(p.pos, Vec3.scale(p.corners[1], p.size, ofs), pos);
gl.glTexCoord2f(tc[1].x, tc[1].y);
gl.glVertex3f(pos.x, pos.y, pos.z);
Vec3.add(p.pos, Vec3.scale(p.corners[2], p.size, ofs), pos);
gl.glTexCoord2f(tc[2].x, tc[2].y);
gl.glVertex3f(pos.x, pos.y, pos.z);
Vec3.add(p.pos, Vec3.scale(p.corners[3], p.size, ofs), pos);
gl.glTexCoord2f(tc[3].x, tc[3].y);
gl.glVertex3f(pos.x, pos.y, pos.z);
}
}
gl.glEnd();
}
} else if (particleType == 1) {
gl.glBegin(7);
int count = particles.size();
Vec3 pos = new Vec3();
Vec3 ofs = new Vec3();
float f = 1.0F;
Vec3 bv0 = new Vec3(-f, f, 0.0F);
Vec3 bv1 = new Vec3(f, f, 0.0F);
for (int i = 0; i < count; i++) {
Particle p = (Particle) particles.get(i);
if (p.tile >= texCoords.size() - 1) break;
gl.glColor4f(p.color.x, p.color.y, p.color.z, p.color.w);
Point2f tc[] = (Point2f[]) texCoords.get(p.tile);
Vec3.add(p.pos, Vec3.scale(bv0, p.size, ofs), pos);
gl.glTexCoord2f(tc[0].x, tc[0].y);
gl.glVertex3f(pos.x, pos.y, pos.z);
Vec3.add(p.pos, Vec3.scale(bv1, p.size, ofs), pos);
gl.glTexCoord2f(tc[1].x, tc[1].y);
gl.glVertex3f(pos.x, pos.y, pos.z);
Vec3.add(p.origin, Vec3.scale(bv1, p.size, ofs), pos);
gl.glTexCoord2f(tc[2].x, tc[2].y);
gl.glVertex3f(pos.x, pos.y, pos.z);
Vec3.add(p.origin, Vec3.scale(bv0, p.size, ofs), pos);
gl.glTexCoord2f(tc[3].x, tc[3].y);
gl.glVertex3f(pos.x, pos.y, pos.z);
}
gl.glEnd();
}
gl.glPopMatrix();
}