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Code Issues Releases Wiki Activity

ray:: reflection now works with multiple types

This commit is contained in:
Zeno Rogue 2021-07-09 20:12:35 +02:00
parent 0aa1d45287
commit 03fc72e7d2
1 changed files with 34 additions and 16 deletions
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50
raycaster.cpp
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@ -157,6 +157,7 @@ struct raycaster : glhr::GLprogram {
GLint uToOrig, uFromOrig;
GLint uProjection;
GLint uEyeShift, uAbsUnit;
GLint uMirrorShift;
GLint tM, uInvLengthM;
GLint tWall, uInvLengthWall;
@ -198,6 +199,7 @@ raycaster::raycaster(string vsh, string fsh) : GLprogram(vsh, fsh) {
uLP = glGetUniformLocation(_program, "uLP");
uReflectX = glGetUniformLocation(_program, "uReflectX");
uReflectY = glGetUniformLocation(_program, "uReflectY");
uMirrorShift = glGetUniformLocation(_program, "uMirrorShift");
uLinearSightRange = glGetUniformLocation(_program, "uLinearSightRange");
uExpDecay = glGetUniformLocation(_program, "uExpDecay");
@ -1408,11 +1410,14 @@ void enable_raycaster() {
" else tangent.z = -tangent.z;\n"
" continue;\n"
" }\n";
else fmain +=
else {
fmain +=
" if(reflect) {\n"
" tangent = " + getM(its(deg)+"+which") + " * tangent;\n"
" tangent = " + getM("uMirrorShift+walloffset+which") + " * tangent;\n"
" continue;\n"
" }\n";
fsh += "uniform int uMirrorShift;\n";
}
}
// next cell
@ -1532,6 +1537,13 @@ transmatrix get_ms(cell *c, int a, bool mirror) {
int nesting;
transmatrix mirrorize(transmatrix T) {
T = inverse(T);
hyperpoint h = tC0(T);
ld d = hdist0(h);
return rspintox(h) * xpush(d/2) * MirrorX * xpush(-d/2) * spintox(h);
}
struct raycast_map {
int saved_frameid;
@ -1541,7 +1553,7 @@ struct raycast_map {
vector<transmatrix> ms;
int length, per_row, rows;
int length, per_row, rows, mirror_shift;
vector<array<float, 4>> connections, wallcolor, texturemap, volumetric;
@ -1555,7 +1567,7 @@ struct raycast_map {
texturemap.resize(q);
volumetric.resize(q);
}
void generate_initial_ms(cell *cs) {
auto sa = hybrid::gen_sample_list();
@ -1575,21 +1587,23 @@ struct raycast_map {
// println(hlog, ms);
mirror_shift = isize(ms);
if(!sol && !nil && (reflect_val || reg3::ultra_mirror_in())) {
if(BITRUNCATED) exit(1);
for(int j=0; j<cs->type; j++) {
transmatrix T = inverse(ms[j]);
hyperpoint h = tC0(T);
ld d = hdist0(h);
transmatrix U = rspintox(h) * xpush(d/2) * MirrorX * xpush(-d/2) * spintox(h);
ms.push_back(U);
}
ms.resize(mirror_shift * 2);
if(WDIM == 2)
for(int a: {0, 1}) {
ms.push_back(get_ms(cs, a, true));
for(auto& p: sa) {
int id = p.first;
cell *c = p.second;
if(!c) continue;
for(int j=0; j<c->type; j++)
ms[mirror_shift+id+j] = mirrorize(ms[id+j]);
if(WDIM == 2) for(int a: {0, 1}) {
ms[mirror_shift+id+c->type+a] = get_ms(c, a, true);
}
}
if(reg3::ultra_mirror_in()) {
for(auto v: cgi.ultra_mirrors)
ms.push_back(v);
@ -1765,6 +1779,10 @@ struct raycast_map {
bind_array(connections, o->tConnections, txConnections, 3, length);
bind_array(texturemap, o->tTextureMap, txTextureMap, 5, length);
if(volumetric::on) bind_array(volumetric, o->tVolumetric, txVolumetric, 6, length);
if(o->uMirrorShift != -1) {
glUniform1i(o->uMirrorShift, mirror_shift);
}
}
void create_all(cell *cs) {