package mekanism.client.render.block;
import mekanism.client.render.CTM;
import mekanism.common.CTMData;
import net.minecraft.block.Block;
import net.minecraft.client.renderer.RenderBlocks;
import net.minecraft.client.renderer.Tessellator;
import net.minecraft.util.IIcon;
/**
* CTM RenderBlocks adapted from Chisel
* Code licensed under GPLv2
* @author AUTOMATIC_MAIDEN, asie, pokefenn, unpairedbracket
*/
public class RenderBlocksCTM extends RenderBlocks
{
RenderBlocksCTM()
{
super();
resetVertices();
}
Tessellator tessellator;
double[] X = new double[26];
double[] Y = new double[26];
double[] Z = new double[26];
double[] U = new double[26];
double[] V = new double[26];
int[] L = new int[26];
float[] R = new float[26];
float[] G = new float[26];
float[] B = new float[26];
CTMData dataCTM;
RenderBlocks rendererOld;
int bx, by, bz;
@Override
public boolean renderStandardBlock(Block block, int x, int y, int z)
{
bx = x;
by = y;
bz = z;
tessellator = Tessellator.instance;
tessellator.setColorOpaque_F(1.0F, 1.0F, 1.0F);
tessellator.addTranslation(x, y, z);
boolean res = super.renderStandardBlock(block, x, y, z);
tessellator.addTranslation(-x, -y, -z);
return res;
}
void setupSides(int a, int b, int c, int d, int xa, int xb, int xc, int xd, int e)
{
L[a] = brightnessBottomLeft;
L[b] = brightnessBottomRight;
L[c] = brightnessTopRight;
L[d] = brightnessTopLeft;
L[e] = (brightnessBottomLeft + brightnessTopLeft + brightnessTopRight + brightnessBottomRight) / 4;
L[xa] = (L[a] + L[b]) / 2;
L[xb] = (L[b] + L[c]) / 2;
L[xc] = (L[c] + L[d]) / 2;
L[xd] = (L[d] + L[a]) / 2;
R[a] = colorRedBottomLeft;
R[b] = colorRedBottomRight;
R[c] = colorRedTopRight;
R[d] = colorRedTopLeft;
R[e] = (colorRedBottomLeft + colorRedTopLeft + colorRedTopRight + colorRedBottomRight) / 4;
R[xa] = (R[a] + R[b]) / 2;
R[xb] = (R[b] + R[c]) / 2;
R[xc] = (R[c] + R[d]) / 2;
R[xd] = (R[d] + R[a]) / 2;
G[a] = colorGreenBottomLeft;
G[b] = colorGreenBottomRight;
G[c] = colorGreenTopRight;
G[d] = colorGreenTopLeft;
G[e] = (colorGreenBottomLeft + colorGreenTopLeft + colorGreenTopRight + colorGreenBottomRight) / 4;
G[xa] = (G[a] + G[b]) / 2;
G[xb] = (G[b] + G[c]) / 2;
G[xc] = (G[c] + G[d]) / 2;
G[xd] = (G[d] + G[a]) / 2;
B[a] = colorBlueBottomLeft;
B[b] = colorBlueBottomRight;
B[c] = colorBlueTopRight;
B[d] = colorBlueTopLeft;
B[e] = (colorBlueBottomLeft + colorBlueTopLeft + colorBlueTopRight + colorBlueBottomRight) / 4;
B[xa] = (B[a] + B[b]) / 2;
B[xb] = (B[b] + B[c]) / 2;
B[xc] = (B[c] + B[d]) / 2;
B[xd] = (B[d] + B[a]) / 2;
}
void side(int a, int b, int c, int d, int iconIndex, boolean flip, int side)
{
IIcon icon = iconIndex >= 16 ? dataCTM.getSmallSubmap(side).icons[iconIndex - 16] : dataCTM.getSubmap(side).icons[iconIndex];
double u0 = icon.getMaxU();
double u1 = icon.getMinU();
double v0 = icon.getMaxV();
double v1 = icon.getMinV();
U[a] = flip ? u1 : u1;
U[b] = flip ? u0 : u1;
U[c] = flip ? u0 : u0;
U[d] = flip ? u1 : u0;
V[a] = flip ? v1 : v1;
V[b] = flip ? v1 : v0;
V[c] = flip ? v0 : v0;
V[d] = flip ? v0 : v1;
vert(a);
vert(b);
vert(c);
vert(d);
}
void vert(int index)
{
if(enableAO)
{
tessellator.setColorOpaque_F(R[index], G[index], B[index]);
tessellator.setBrightness(L[index]);
}
tessellator.addVertexWithUV(X[index], Y[index], Z[index], U[index], V[index]);
}
@Override
public void renderFaceXNeg(Block block, double x, double y, double z, IIcon icon)
{
if(rendererOld != null && rendererOld.hasOverrideBlockTexture())
{
IIcon i = rendererOld.overrideBlockTexture;
tessellator.addVertexWithUV(0.0, 1.0, 0.0, i.getMinU(), i.getMinV());
tessellator.addVertexWithUV(0.0, 0.0, 0.0, i.getMinU(), i.getMaxV());
tessellator.addVertexWithUV(0.0, 0.0, 1.0, i.getMaxU(), i.getMaxV());
tessellator.addVertexWithUV(0.0, 1.0, 1.0, i.getMaxU(), i.getMinV());
}
else {
int tex[] = CTM.getSubmapIndices(blockAccess, bx, by, bz, 4, dataCTM.acceptableBlockMetas, dataCTM.renderConvexConnections);
setupSides(1, 0, 4, 5, 14, 19, 17, 23, 9);
side(1, 14, 9, 23, tex[0], false, 4);
side(23, 9, 17, 5, tex[1], false, 4);
side(9, 19, 4, 17, tex[3], false, 4);
side(14, 0, 19, 9, tex[2], false, 4);
}
}
@Override
public void renderFaceXPos(Block block, double x, double y, double z, IIcon icon)
{
if(rendererOld != null && rendererOld.hasOverrideBlockTexture())
{
IIcon i = rendererOld.overrideBlockTexture;
tessellator.addVertexWithUV(1.0, 1.0, 1.0, i.getMaxU(), i.getMinV());
tessellator.addVertexWithUV(1.0, 0.0, 1.0, i.getMaxU(), i.getMaxV());
tessellator.addVertexWithUV(1.0, 0.0, 0.0, i.getMinU(), i.getMaxV());
tessellator.addVertexWithUV(1.0, 1.0, 0.0, i.getMinU(), i.getMinV());
}
else {
int tex[] = CTM.getSubmapIndices(blockAccess, bx, by, bz, 5, dataCTM.acceptableBlockMetas, dataCTM.renderConvexConnections);
setupSides(3, 2, 6, 7, 15, 25, 16, 21, 11);
side(11, 21, 3, 15, tex[3], false, 5);
side(16, 7, 21, 11, tex[2], false, 5);
side(25, 11, 15, 2, tex[1], false, 5);
side(6, 16, 11, 25, tex[0], false, 5);
}
}
@Override
public void renderFaceZNeg(Block block, double x, double y, double z, IIcon icon)
{
if(rendererOld != null && rendererOld.hasOverrideBlockTexture())
{
IIcon i = rendererOld.overrideBlockTexture;
tessellator.addVertexWithUV(1.0, 1.0, 0.0, i.getMaxU(), i.getMinV());
tessellator.addVertexWithUV(1.0, 0.0, 0.0, i.getMaxU(), i.getMaxV());
tessellator.addVertexWithUV(0.0, 0.0, 0.0, i.getMinU(), i.getMaxV());
tessellator.addVertexWithUV(0.0, 1.0, 0.0, i.getMinU(), i.getMinV());
}
else {
int tex[] = CTM.getSubmapIndices(blockAccess, bx, by, bz, 2, dataCTM.acceptableBlockMetas, dataCTM.renderConvexConnections);
setupSides(2, 3, 0, 1, 15, 18, 14, 22, 8);
side(2, 15, 8, 22, tex[0], false, 2);
side(15, 3, 18, 8, tex[2], false, 2);
side(8, 18, 0, 14, tex[3], false, 2);
side(22, 8, 14, 1, tex[1], false, 2);
}
}
@Override
public void renderFaceZPos(Block block, double x, double y, double z, IIcon icon)
{
if(rendererOld != null && rendererOld.hasOverrideBlockTexture())
{
IIcon i = rendererOld.overrideBlockTexture;
tessellator.addVertexWithUV(0.0, 1.0, 1.0, i.getMinU(), i.getMinV());
tessellator.addVertexWithUV(0.0, 0.0, 1.0, i.getMinU(), i.getMaxV());
tessellator.addVertexWithUV(1.0, 0.0, 1.0, i.getMaxU(), i.getMaxV());
tessellator.addVertexWithUV(1.0, 1.0, 1.0, i.getMaxU(), i.getMinV());
}
else {
int tex[] = CTM.getSubmapIndices(blockAccess, bx, by, bz, 3, dataCTM.acceptableBlockMetas, dataCTM.renderConvexConnections);
setupSides(4, 7, 6, 5, 20, 16, 24, 17, 10);
side(17, 4, 20, 10, tex[2], false, 3);
side(5, 17, 10, 24, tex[0], false, 3);
side(24, 10, 16, 6, tex[1], false, 3);
side(10, 20, 7, 16, tex[3], false, 3);
}
}
@Override
public void renderFaceYNeg(Block block, double x, double y, double z, IIcon icon)
{
if(rendererOld != null && rendererOld.hasOverrideBlockTexture())
{
IIcon i = rendererOld.overrideBlockTexture;
tessellator.addVertexWithUV(0.0, 0.0, 1.0, i.getMinU(), i.getMaxV());
tessellator.addVertexWithUV(0.0, 0.0, 0.0, i.getMinU(), i.getMinV());
tessellator.addVertexWithUV(1.0, 0.0, 0.0, i.getMaxU(), i.getMinV());
tessellator.addVertexWithUV(1.0, 0.0, 1.0, i.getMaxU(), i.getMaxV());
}
else {
int tex[] = CTM.getSubmapIndices(blockAccess, bx, by, bz, 0, dataCTM.acceptableBlockMetas, dataCTM.renderConvexConnections);
setupSides(0, 3, 7, 4, 18, 21, 20, 19, 13);
side(13, 21, 7, 20, tex[3], true, 0);
side(19, 13, 20, 4, tex[2], true, 0);
side(0, 18, 13, 19, tex[0], true, 0);
side(18, 3, 21, 13, tex[1], true, 0);
}
}
@Override
public void renderFaceYPos(Block block, double x, double y, double z, IIcon icon)
{
if(rendererOld != null && rendererOld.hasOverrideBlockTexture())
{
IIcon i = rendererOld.overrideBlockTexture;
tessellator.addVertexWithUV(0.0, 1.0, 0.0, i.getMinU(), i.getMinV());
tessellator.addVertexWithUV(0.0, 1.0, 1.0, i.getMinU(), i.getMaxV());
tessellator.addVertexWithUV(1.0, 1.0, 1.0, i.getMaxU(), i.getMaxV());
tessellator.addVertexWithUV(1.0, 1.0, 0.0, i.getMaxU(), i.getMinV());
}
else {
int tex[] = CTM.getSubmapIndices(blockAccess, bx, by, bz, 1, dataCTM.acceptableBlockMetas, dataCTM.renderConvexConnections);
setupSides(2, 1, 5, 6, 22, 23, 24, 25, 12);
side(12, 24, 6, 25, tex[3], false, 1);
side(22, 12, 25, 2, tex[1], false, 1);
side(1, 23, 12, 22, tex[0], false, 1);
side(23, 5, 24, 12, tex[2], false, 1);
}
}
void resetVertices()
{
X[0] = 0;
Z[0] = 0;
Y[0] = 0;
X[1] = 0;
Z[1] = 0;
Y[1] = 1;
X[2] = 1;
Z[2] = 0;
Y[2] = 1;
X[3] = 1;
Z[3] = 0;
Y[3] = 0;
X[4] = 0;
Z[4] = 1;
Y[4] = 0;
X[5] = 0;
Z[5] = 1;
Y[5] = 1;
X[6] = 1;
Z[6] = 1;
Y[6] = 1;
X[7] = 1;
Z[7] = 1;
Y[7] = 0;
X[8] = 0.5;
Z[8] = 0;
Y[8] = 0.5;
X[9] = 0;
Z[9] = 0.5;
Y[9] = 0.5;
X[10] = 0.5;
Z[10] = 1;
Y[10] = 0.5;
X[11] = 1;
Z[11] = 0.5;
Y[11] = 0.5;
X[12] = 0.5;
Z[12] = 0.5;
Y[12] = 1;
X[13] = 0.5;
Z[13] = 0.5;
Y[13] = 0;
X[14] = 0;
Z[14] = 0;
Y[14] = 0.5;
X[15] = 1;
Z[15] = 0;
Y[15] = 0.5;
X[16] = 1;
Z[16] = 1;
Y[16] = 0.5;
X[17] = 0;
Z[17] = 1;
Y[17] = 0.5;
X[18] = 0.5;
Z[18] = 0;
Y[18] = 0;
X[19] = 0;
Z[19] = 0.5;
Y[19] = 0;
X[20] = 0.5;
Z[20] = 1;
Y[20] = 0;
X[21] = 1;
Z[21] = 0.5;
Y[21] = 0;
X[22] = 0.5;
Z[22] = 0;
Y[22] = 1;
X[23] = 0;
Z[23] = 0.5;
Y[23] = 1;
X[24] = 0.5;
Z[24] = 1;
Y[24] = 1;
X[25] = 1;
Z[25] = 0.5;
Y[25] = 1;
}
}