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utilities to create geometry raytracers which use only HyperRogue's control scheme

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Zeno Rogue
2020-03-29 17:35:42 +02:00
parent 409f171ca7
commit 76e6dc2002
4 changed files with 27 additions and 8 deletions
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27
raycaster.cpp
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@@ -78,6 +78,7 @@ EX bool available() {
/** do we want to use the raycaster? */
EX bool requested() {
if(cgflags & qRAYONLY) return true;
if(!want_use) return false;
#if CAP_TEXTURE
if(texture::config.tstate == texture::tsActive) return false;
@@ -87,6 +88,7 @@ EX bool requested() {
return racing::on || quotient;
}
#if HDR
struct raycaster : glhr::GLprogram {
GLint uStart, uStartid, uM, uLength, uFovX, uFovY, uIPD, uShift;
GLint uWallstart, uWallX, uWallY;
@@ -96,7 +98,11 @@ struct raycaster : glhr::GLprogram {
GLint uBLevel;
GLint uPosX, uPosY;
raycaster(string vsh, string fsh) : GLprogram(vsh, fsh) {
raycaster(string vsh, string fsh);
};
#endif
raycaster::raycaster(string vsh, string fsh) : GLprogram(vsh, fsh) {
println(hlog, "assigning");
uStart = glGetUniformLocation(_program, "uStart");
uStartid = glGetUniformLocation(_program, "uStartid");
@@ -122,8 +128,6 @@ struct raycaster : glhr::GLprogram {
uExpDecay = glGetUniformLocation(_program, "uExpDecay");
uExpStart = glGetUniformLocation(_program, "uExpStart");
uShift = glGetUniformLocation(_program, "uShift");
uBLevel = glGetUniformLocation(_program, "uBLevel");
tConnections = glGetUniformLocation(_program, "tConnections");
@@ -133,7 +137,6 @@ struct raycaster : glhr::GLprogram {
uPosX = glGetUniformLocation(_program, "uPosX");
uPosY = glGetUniformLocation(_program, "uPosY");
}
};
shared_ptr<raycaster> our_raycaster;
@@ -166,6 +169,9 @@ string build_getter(string type, string name, int index) {
#define GET(array, index) array "[" index "]"
#endif
EX hookset<void(string&, string&)> *hooks_rayshader;
EX hookset<bool(shared_ptr<raycaster>)> *hooks_rayset;
void enable_raycaster() {
if(geometry != last_geometry) reset_raycaster();
last_geometry = geometry;
@@ -814,7 +820,9 @@ void enable_raycaster() {
" }";
fsh += fmain;
callhooks(hooks_rayshader, vsh, fsh);
our_raycaster = make_shared<raycaster> (vsh, fsh);
}
full_enable(our_raycaster);
@@ -879,7 +887,11 @@ EX void cast() {
cd->set_mask(global_projection);
glUniform1f(o->uFovX, cd->tanfov / (vid.stereo_mode == sLR ? 2 : 1));
glUniform1f(o->uFovY, cd->tanfov * cd->ysize / cd->xsize);
glUniform1f(o->uPosX, -((cd->xcenter-cd->xtop)*2./cd->xsize - 1));
glUniform1f(o->uPosY, -((cd->ycenter-cd->ytop)*2./cd->ysize - 1));
if(!callhandlers(false, hooks_rayset, o)) {
deg = S7;
if(prod) deg += 2;
@@ -934,9 +946,6 @@ EX void cast() {
glUniform1f(o->uIPD, vid.ipd);
GLERR("uniform mediump IPD");
glUniform1f(o->uPosX, -((cd->xcenter-cd->xtop)*2./cd->xsize - 1));
glUniform1f(o->uPosY, -((cd->ycenter-cd->ytop)*2./cd->ysize - 1));
vector<transmatrix> ms;
for(int j=0; j<S7; j++) ms.push_back(currentmap->iadj(cwt.at, j));
if(prod) ms.push_back(mscale(Id, +cgi.plevel));
@@ -1056,6 +1065,8 @@ EX void cast() {
auto cols = glhr::acolor(darkena(backcolor, 0, 0xFF));
glUniform4f(o->uFogColor, cols[0], cols[1], cols[2], cols[3]);
}
glVertexAttribPointer(hr::aPosition, 4, GL_FLOAT, GL_FALSE, sizeof(glvertex), &screen[0]);
if(ray::comparison_mode)