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Code Issues Releases Wiki Activity

slr:: drawing of looped images, better shader in general, special sightrange setting

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This commit is contained in:
Zeno Rogue 2019-08-25 19:14:03 +02:00
parent 4d01632bb6
commit 02269267c9
6 changed files with 101 additions and 24 deletions
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5
basegraph.cpp
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@ -371,6 +371,11 @@ void display_data::set_projection(int ed) {
glUniform1f(glhr::current->uPRECZ, solv::PRECZ);
}
if(glhr::new_shader_projection == glhr::shader_projection::standardSL2) {
glUniform1f(glhr::current->uIndexSL, 0);
glUniform1i(glhr::current->uIterations, slr::steps);
}
auto cd = current_display;
if(!shaderside_projection || glhr::new_shader_projection == glhr::shader_projection::flatten) {

25
config.cpp
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@ -504,6 +504,11 @@ EX void initConfig() {
addsaver(vid.cells_drawn_limit, "limit on cells drawn", 10000);
addsaver(vid.cells_generated_limit, "limit on cells generated", 25);
addsaver(solv::solrange_xy, "solrange-xy");
addsaver(solv::solrange_z, "solrange-z");
addsaver(slr::steps, "slr-steps");
addsaver(slr::range_xy, "slr-range-xy");
addsaver(vid.skiprope, "mobius", 0);
addsaver(models::formula, "formula");
@ -865,6 +870,26 @@ EX void edit_sightrange() {
dialog::extra_options = xo; popScreen();
});
}
else if(pmodel == mdGeodesic && sl2) {
dialog::addSelItem(XLAT("fog effect"), fts(sightranges[geometry]), 'R');
dialog::add_action([] {
auto xo = dialog::extra_options;
dialog::editNumber(sightranges[geometry], 0, 10, 0.5, M_PI, "", "");
dialog::extra_options = xo; popScreen();
});
dialog::addSelItem(XLAT("max difference in X/Y coordinates"), fts(slr::range_xy), 'X');
dialog::add_action([] {
auto xo = dialog::extra_options;
dialog::editNumber(solv::solrange_xy, 0, 10, 0.5, 4, XLAT("max difference in X/Y coordinates"), "");
dialog::extra_options = xo; popScreen();
});
dialog::addSelItem(XLAT("steps"), its(slr::steps), 'Z');
dialog::add_action([] {
auto xo = dialog::extra_options;
dialog::editNumber(slr::steps, 0, 50, 1, 10, "", "");
dialog::extra_options = xo; popScreen();
});
}
else {
dialog::addBoolItem(XLAT("draw range based on distance"), vid.use_smart_range == 0, 'D');
dialog::add_action([] () { vid.use_smart_range = 0; popScreen(); edit_sightrange(); });

18
drawing.cpp
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@ -538,6 +538,8 @@ void glapplymatrix(const transmatrix& V) {
EX int global_projection;
int min_slr, max_slr = 0;
#if MAXMDIM >= 4
extern renderbuffer *floor_textures;
#endif
@ -582,6 +584,8 @@ void dqi_poly::gldraw() {
glhr::be_nontextured();
glhr::vertices(v);
}
next_slr:
for(int ed = current_display->stereo_active() ? -1 : 0; ed<2; ed+=2) {
if(global_projection && global_projection != ed) continue;
@ -653,6 +657,12 @@ void dqi_poly::gldraw() {
glDrawArrays(GL_LINE_STRIP, offset, cnt);
}
}
if(min_slr < max_slr) {
min_slr++;
glUniform1f(glhr::current->uIndexSL, M_PI * min_slr);
goto next_slr;
}
}
#endif
@ -1142,6 +1152,14 @@ void dqi_poly::draw() {
#if CAP_GL
if(vid.usingGL && (current_display->set_all(global_projection), shaderside_projection)) {
if(sl2 && pmodel == mdGeodesic) {
ld z = atan2(V[2][3], V[3][3]);
auto zr = sightranges[geometry];
min_slr = ceil((-zr - z) / M_PI);
max_slr = floor((zr - z) / M_PI);
if(min_slr > max_slr) return;
glUniform1f(glhr::current->uIndexSL, M_PI * min_slr);
}
set_width(get_width(this));
flags &= ~POLY_INVERSE;
gldraw();

4
hypgraph.cpp
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@ -2003,6 +2003,10 @@ EX bool do_draw(cell *c, const transmatrix& T) {
if(!nisot::in_table_range(tC0(T))) return false;
if(!limited_generation(c)) return false;
}
else if(pmodel == mdGeodesic && sl2) {
if(hypot(tC0(T)[2], tC0(T)[3]) > cosh(slr::range_xy)) return false;
if(!limited_generation(c)) return false;
}
else if(vid.use_smart_range) {
if(cells_drawn >= 50 && !in_smart_range(T)) return false;
if(!limited_generation(c)) return false;

68
nonisotropic.cpp
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@ -804,6 +804,9 @@ EX namespace slr {
// then coordinates 2<->3 are swapped
*/
EX ld range_xy = 3;
EX int steps = 15;
EX hyperpoint from_phigans(hyperpoint h) {
ld r = asinh(hypot_d(2, h));
ld x = h[0];
@ -967,11 +970,11 @@ EX namespace slr {
else beta = theta + atan(sin(alpha) * roottan(c, s));
}
EX hyperpoint get_inverse_exp(hyperpoint h) {
if(sqhypot_d(2, h) < 1e-12) return point3(0, 0, atan2(h[2], h[3]));
EX hyperpoint get_inverse_exp(hyperpoint h, ld index IS(0)) {
if(sqhypot_d(2, h) < 1e-12) return point3(0, 0, atan2(h[2], h[3]) + index);
ld r = asinh(hypot_d(2, h));
ld phi = atan2(h[2], h[3]);
ld theta = atan2(h[1], h[0]) + phi;
ld phi = atan2(h[2], h[3]) + index;
ld theta = atan2(h[1], h[0]) + phi + index;
ld alpha, s, beta;
find_alpha(phi, r, theta, alpha, s, beta);
@ -986,61 +989,80 @@ EX namespace slr {
" if(y >= 0.) return atan(y / x) + PI;"
" if(y < 0.) return atan(y / x) - PI;"
" }"
"uniform mediump float uIndexSL;"
"uniform mediump int uIterations;"
"vec4 inverse_exp(vec4 h) {"
"if(h[0]*h[0] + h[1] * h[1] < 1e-6) return vec4(0, 0, atan(h[2], h[3]), 1);"
"if(h[0]*h[0] + h[1] * h[1] < 1e-6) return vec4(0, 0, atan(h[2], h[3]) + uIndexSL, 1);"
"float r = asinh(sqrt(h[0] * h[0] + h[1] * h[1]));"
"float phi = atan2(h[2], h[3]);"
"float theta = atan2(h[1], h[0]) + phi;"
"float phi = atan2(h[2], h[3]) + uIndexSL;"
"float theta = atan2(h[1], h[0]) + phi + uIndexSL;"
"float alpha;"
"float s;"
"float beta;"
"float sgn = 1.;"
"float bound = .999;"
"if(phi < 0.) { phi = -phi; theta = -theta; sgn = -1.; }"
"float c;"
"s = sinh(r) / cos(PI/4.);"
"float gphi = 2.*sin(PI/4.)*s - atan(sin(PI/4.) * s);"
"float lo_gphi = gphi;"
"float lo_s = s;"
"float lo_alpha = PI/4.;"
"float hi_gphi = gphi;"
"float hi_s = s;"
"float hi_alpha = PI/4.;"
"if(gphi > phi) {"
" float mina = 0.;"
" float maxa = PI/4.;"
" for(int it=0; it<40; it++) {"
" lo_gphi = 0.; lo_s = r; lo_alpha = 0.;"
" for(int it=0; it<uIterations; it++) {"
" alpha = (mina + maxa) / 2.;"
" c = sqrt(cos(2. * alpha));"
" s = asinh(sinh(r) / cos(alpha) * c) / c;"
" gphi = 2.*sin(alpha)*s - atan(sin(alpha) * tanh(c * s) / c);"
" if(gphi > phi) maxa = alpha;"
" else mina = alpha;"
" if(gphi > phi) { maxa = alpha; hi_alpha = alpha; hi_s = s; hi_gphi = gphi; }"
" else { mina = alpha; lo_alpha = alpha; lo_s = s; lo_gphi = gphi; }"
" }"
" beta = theta + atan(sin(alpha) * tanh(c * s) / c);"
" }"
"else {"
" hi_gphi = phi; hi_s = phi; hi_alpha = 9;"
" int next_nan = 1;"
" float mina = PI/4.;"
" float maxa = PI/2.;"
" for(int it=0; it<40; it++) {"
" for(int it=0; it<uIterations; it++) {"
" alpha = (mina + maxa) / 2.;"
" c = sqrt(-cos(2. * alpha));"
" if(sinh(r) * c > cos(alpha)) { next_nan = 1; maxa = alpha; continue; }"
" if(sinh(r) * c > bound * cos(alpha)) { next_nan = 1; maxa = alpha; continue; }"
" s = asin(sinh(r) * c / cos(alpha)) / c;"
" gphi = 2.*sin(alpha)*s - atan(sin(alpha) * tan(c*s) / c);"
" if(gphi > phi) { next_nan = 0; maxa = alpha; }"
" else mina = alpha;"
" if(gphi > phi) { next_nan = 0; maxa = alpha; hi_gphi = gphi; hi_s = s; hi_alpha = alpha; }"
" else { mina = alpha; lo_gphi = gphi; lo_s = s; lo_alpha = alpha; }"
" }"
" if(next_nan != 0) {"
" mina = PI/4.;"
" for(int it=0; it<10; it++) {"
" mina = PI/4.; "
" for(int it=0; it<uIterations; it++) {"
" alpha = (mina + maxa) / 2.;"
" c = sqrt(-cos(2. * alpha));"
" s = PI - asin(sinh(r) * c / cos(alpha)) / c;"
" gphi = 2.*sin(alpha)*s - atan(sin(alpha) * tan(c*s) / c) - PI;"
" if(gphi < phi) maxa = alpha; else mina = alpha;"
" float z = sinh(r) * c / cos(alpha);"
" if(z>bound) { maxa = alpha; next_nan = 1; continue; }"
" float s1 = PI - asin(z);"
" s = s1 / c;"
" gphi = 2.*sin(alpha)*s - atan(sin(alpha) * tan(s1) / c) - PI;"
" if(gphi < phi) { next_nan = 0; maxa = alpha; hi_gphi = gphi; hi_s = s; hi_alpha = alpha; }"
" else { mina = alpha; lo_gphi = gphi; lo_s = s; lo_alpha = alpha; }"
" }"
" beta = theta + atan(sin(alpha) * tanh(c * s) / c) + PI;"
" }"
" else beta = theta + atan(sin(alpha) * tanh(c * s) / c);"
" }"
"if(hi_alpha < 9) {"
"float fr = (phi-lo_gphi) / (hi_gphi-lo_gphi);"
"alpha = lo_alpha + (hi_alpha-lo_alpha) * fr;"
"s = lo_s + (hi_s-lo_s) * fr;"
"}"
"beta = theta - phi + 2.*sin(alpha)*s;"
"alpha = alpha * sgn; beta = beta * sgn;"
"return vec4(s * cos(beta) * cos(alpha), s * sin(beta) * cos(alpha), s * sin(alpha), 1);"
"return vec4(s * cos(beta) * cos(alpha), s * sin(beta) * cos(alpha), s * sin(alpha), 1.);"
"}";
EX transmatrix adjmatrix(int i, int j) {

5
shaders.cpp
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@ -290,7 +290,8 @@ struct GLprogram {
GLuint _program;
GLuint vertShader, fragShader;
GLint uMVP, uFog, uFogColor, uColor, tTexture, tInvExpTable, uMV, uProjection, uAlpha, uFogBase, uPRECX, uPRECY, uPRECZ;
GLint uMVP, uFog, uFogColor, uColor, tTexture, tInvExpTable, uMV, uProjection, uAlpha, uFogBase;
GLint uPRECX, uPRECY, uPRECZ, uIndexSL, uIterations;
GLprogram(string vsh, string fsh) {
_program = glCreateProgram();
@ -351,6 +352,8 @@ struct GLprogram {
uPRECX = glGetUniformLocation(_program, "PRECX");
uPRECY = glGetUniformLocation(_program, "PRECY");
uPRECZ = glGetUniformLocation(_program, "PRECZ");
uIndexSL = glGetUniformLocation(_program, "uIndexSL");
uIterations = glGetUniformLocation(_program, "uIterations");
#if DEBUG_GL
printf("uniforms: %d %d %d %d\n", uMVP, uFog, uColor, tTexture);