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nilrider:: fixed texturing in stepped

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This commit is contained in:
Zeno Rogue 2022-05-06 12:00:22 +02:00
parent c057e10051
commit e3c8a4c5bf
1 changed files with 46 additions and 21 deletions
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67
rogueviz/nilrider/level.cpp
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@ -51,11 +51,17 @@ void level::init_textures() {
if(my < stepdiv/2) { my0 = my1 = 2*my; } else {my0 = stepdiv-2; my1=stepdiv; }
int ax = (x/stepdiv) * stepdiv;
int ay = (y/stepdiv) * stepdiv;
char c0 = getpix((mx0 + ax) / subpixels, (my0 + ay) / subpixels);
char c1 = getpix((mx1 + ax) / subpixels, (my1 + ay) / subpixels);
if(c0 == '!') col = bcols[c1];
else if(c1 == '!') col = bcols[c0];
else col = gradient(bcols[c0], bcols[c1], 0, .5, 1);
ld maxh = -HUGE_VAL;
char c = '!';
for(int i=0; i<4; i++) {
hyperpoint h = mappt(ax + ((mx0 != mx1) ? (i&1?3:1)*stepdiv/2 : mx0), ay + ((my0 != my1) ? (i&2?3:1)*stepdiv/2 : my0), texture_density);
if(h[2] > maxh) {
c = getpix(((i&1?mx1:mx0) + ax) / subpixels, ((i&2?my1:my0)+ ay) / subpixels);
if(c != '!') maxh = h[2];
}
}
col = bcols[c];
if(mx0 != mx1) col = gradient(col, 0xFF000000, 0, .1, 1);
if(my0 != my1) col = gradient(col, 0xFF000000, 0, .2, 1);
}
@ -107,13 +113,32 @@ void level::init() {
shStepFloor.flags |= POLY_TRIANGLES;
int prec = 16;
if(s == 2) prec *= 2;
if(s == 2) prec *= 4;
int cdiv = prec / steps_per_block;
auto pt = [&] (int x, int y) {
auto pt = [&] (int x, int y, int qx, int qy) {
if(s == 0) uniltinf.tvertices.push_back(glhr::makevertex(x * 1. / tX / prec, y * 1. / tY / prec, 0));
if(s == 2) uniltinf_stepped.tvertices.push_back(glhr::makevertex(x * 1. / tX / prec, y * 1. / tY / prec, 0));
if(s == 2) {
ld ax = x, ay = y;
if(qx) {
if(x % cdiv == cdiv/2+1) qx = 0;
}
else {
ax -= (x % cdiv);
ax += .5;
ax += (x % cdiv) * (cdiv/2-1.) / (cdiv/2);
}
if(qy) {
if(y % cdiv == cdiv/2+1) qy = 0;
}
else {
ay -= (y % cdiv);
ay += .5;
ay += (y % cdiv) * (cdiv/2-1.) / (cdiv/2);
}
uniltinf_stepped.tvertices.push_back(glhr::makevertex((ax+qx) / tX / prec, (ay+qy) / tY / prec, 0));
}
hyperpoint h = mappt(x, y, prec);
if(s == 2) {
if(x % cdiv == cdiv/2+1) x += cdiv/2 - 1;
@ -158,20 +183,20 @@ void level::init() {
for(int x=0; x<tX * prec; x++) {
char bmch = map_tiles[y/prec][x/prec];
if(bmch == '!') continue;
int qx = 0, qy = 0;
if(s == 2) {
int q = 0;
if(x % cdiv == (cdiv/2)) q++;
if(x % cdiv > (cdiv/2)) q+=2;
if(y % cdiv == (cdiv/2)) q++;
if(y % cdiv > (cdiv/2)) q+=2;
if(q > 1) continue;
if(x % cdiv == (cdiv/2)) qx++;
if(x % cdiv > (cdiv/2)) qx+=2;
if(y % cdiv == (cdiv/2)) qy++;
if(y % cdiv > (cdiv/2)) qy+=2;
if(qx + qy > 1) continue;
}
pt(x, y);
pt(x, y+1);
pt(x+1, y);
pt(x+1, y+1);
pt(x+1, y);
pt(x, y+1);
pt(x, y, qx, qy);
pt(x, y+1, qx, qy);
pt(x+1, y, qx, qy);
pt(x+1, y+1, qx, qy);
pt(x+1, y, qx, qy);
pt(x, y+1, qx, qy);
}
cgi.finishshape();
}