Fix subblock rendering of flat, scaled-down models (for 0.20.1)

This commit is contained in:
Mike Primm 2011-08-07 22:11:00 -05:00
parent 154057adcc
commit 4209a2c54d
2 changed files with 33 additions and 23 deletions

View File

@ -243,8 +243,6 @@ public class IsoHDPerspective implements HDPerspective {
/* Compute number of steps and increments for each */
n = 1;
int mxout, myout, mzout;
/* If perpendicular to X axis */
if (dx == 0) {
x_inc = 0;
@ -552,9 +550,11 @@ public class IsoHDPerspective implements HDPerspective {
}
}
private boolean logit = false;
private boolean raytraceSubblock(short[] model, boolean firsttime) {
if(firsttime) {
mt = t + 0.0000001;
mt = t + 0.00000001;
xx = top.x + mt *(bottom.x - top.x);
yy = top.y + mt *(bottom.y - top.y);
zz = top.z + mt *(bottom.z - top.z);
@ -583,7 +583,7 @@ public class IsoHDPerspective implements HDPerspective {
}
subalpha = -1;
boolean skip = !firsttime; /* Skip first block on continue */
while(mt < mtend) {
while(mt <= mtend) {
if(!skip) {
try {
int blkalpha = model[modscale*modscale*my + modscale*mz + mx];
@ -605,8 +605,9 @@ public class IsoHDPerspective implements HDPerspective {
mt = mt_next_x;
mt_next_x += mdt_dx;
laststep = stepx;
if(mx == mxout)
if(mx == mxout) {
return true;
}
}
/* If Y step is next best */
else if((mt_next_y <= mt_next_x) && (mt_next_y <= mt_next_z)) {
@ -614,8 +615,9 @@ public class IsoHDPerspective implements HDPerspective {
mt = mt_next_y;
mt_next_y += mdt_dy;
laststep = stepy;
if(my == myout)
if(my == myout) {
return true;
}
}
/* Else, Z step is next best */
else {
@ -623,22 +625,28 @@ public class IsoHDPerspective implements HDPerspective {
mt = mt_next_z;
mt_next_z += mdt_dz;
laststep = stepz;
if(mz == mzout)
if(mz == mzout) {
return true;
}
}
}
return true;
}
public final int[] getSubblockCoord() {
double tt = t + 0.000001;
if(subalpha >= 0)
tt = mt;
double xx = top.x + tt * (bottom.x - top.x);
double yy = top.y + tt * (bottom.y - top.y);
double zz = top.z + tt * (bottom.z - top.z);
subblock_xyz[0] = (int)((xx - Math.floor(xx)) * modscale);
subblock_xyz[1] = (int)((yy - Math.floor(yy)) * modscale);
subblock_xyz[2] = (int)((zz - Math.floor(zz)) * modscale);
if(subalpha < 0) {
double tt = t + 0.0000001;
double xx = top.x + tt * (bottom.x - top.x);
double yy = top.y + tt * (bottom.y - top.y);
double zz = top.z + tt * (bottom.z - top.z);
subblock_xyz[0] = (int)((xx - Math.floor(xx)) * modscale);
subblock_xyz[1] = (int)((yy - Math.floor(yy)) * modscale);
subblock_xyz[2] = (int)((zz - Math.floor(zz)) * modscale);
}
else {
subblock_xyz[0] = mx;
subblock_xyz[1] = my;
subblock_xyz[2] = mz;
}
return subblock_xyz;
}
}

View File

@ -131,6 +131,7 @@ public class TexturePackHDShader implements HDShader {
if(blocktype == 0) {
return false;
}
/* Get color from textures */
scaledtp.readColor(ps, mapiter, c, blocktype, lastblocktype, do_biome_shading);
@ -155,13 +156,14 @@ public class TexturePackHDShader implements HDShader {
/* Handle light level, if needed */
lighting.applyLighting(ps, this, c, tmpcolor);
/* If we got alpha from subblock model, use it instead if it is lower */
if(subalpha >= 0) {
for(Color clr : tmpcolor) {
int a = clr.getAlpha();
if(subalpha < a)
clr.setAlpha(subalpha);
}
}
/* (disable for now: weighting is wrong, as crosssection is 2D, not 3D based) */
// if(subalpha >= 0) {
// for(Color clr : tmpcolor) {
// int a = clr.getAlpha();
// if(subalpha < a)
// clr.setAlpha(subalpha);
// }
// }
/* If no previous color contribution, use new color */
if(color[0].isTransparent()) {
for(int i = 0; i < color.length; i++)