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in spherical equi-models, use the correct circle as the boundary, instead of the whole screen

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Zeno Rogue 2017-11-13 01:30:09 +01:00
parent 6efc503818
commit 68f4eb537a
1 changed files with 32 additions and 9 deletions
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41
polygons.cpp
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@ -179,7 +179,7 @@ void add1(const hyperpoint& H) {
for(int i=0; i<3; i++) glcoords[qglcoords][i] = H[i];
}
int spherespecial;
int spherespecial, spherephase;
void addpoint(const hyperpoint& H) {
if(qglcoords >= POLYMAX) return;
@ -474,6 +474,13 @@ void fixMercator() {
void drawpolyline(polytodraw& p) {
auto pp = p.u.poly;
if(spherespecial && p.prio == PPR_MOBILE_ARROW) {
if(spherephase == 0) return;
dynamicval<int> ss(spherespecial, 0);
drawpolyline(p);
return;
}
#if CAP_GL
if(vid.usingGL && pmodel == mdDisk && !spherespecial) {
@ -530,7 +537,7 @@ void drawpolyline(polytodraw& p) {
}
else poly_flags &=~ POLY_INVERSE;
if(sphere && vid.alphax > 1) {
if(sphereflipped()) {
if(!hiliteclick && !(poly_flags & POLY_INFRONT)) return;
}
@ -543,6 +550,18 @@ void drawpolyline(polytodraw& p) {
glcoords[i][mercator_coord] += vid.radius * 4 * (l - lastl);
lastl = l;
}
if((pmodel == mdEquidistant || pmodel == mdEquiarea) && (poly_flags & POLY_INVERSE)) {
ld h = atan2(glcoords[0][0], glcoords[0][1]);
for(int i=0; i<=360; i++) {
ld a = i * M_PI / 180 + h;
glcoords[qglcoords][0] = vid.radius * sin(a);
glcoords[qglcoords][1] = vid.radius * cos(a);
glcoords[qglcoords][2] = vid.scrdist;
qglcoords++;
}
poly_flags ^= POLY_INVERSE;
}
#if CAP_GL
if(vid.usingGL) {
@ -572,11 +591,13 @@ void drawpolyline(polytodraw& p) {
if(poly_flags & POLY_INVERSE) {
int i = polyi;
polyx[i] = 0; polyy[i] = 0; i++;
polyx[i] = vid.xres; polyy[i] = 0; i++;
polyx[i] = vid.xres; polyy[i] = vid.yres; i++;
polyx[i] = 0; polyy[i] = vid.yres; i++;
polyx[i] = 0; polyy[i] = 0; i++;
if(true) {
polyx[i] = 0; polyy[i] = 0; i++;
polyx[i] = vid.xres; polyy[i] = 0; i++;
polyx[i] = vid.xres; polyy[i] = vid.yres; i++;
polyx[i] = 0; polyy[i] = vid.yres; i++;
polyx[i] = 0; polyy[i] = 0; i++;
}
filledPolygonColorI(s, polyx, polyy, polyi+5, p.col);
}
else
@ -714,7 +735,7 @@ void quickqueue() {
}
ld xintval(const hyperpoint& h) {
if(sphere && vid.alpha > 1) return -h[2];
if(sphereflipped()) return -h[2];
return -intval(h, C0);
}
@ -785,9 +806,10 @@ void drawqueue() {
#endif
spherespecial = 0;
spherephase = 0;
// on the sphere, parts on the back are drawn first
if(sphere && pmodel == 0) {
spherespecial = vid.alphax > 1 ? 1 : -1;
spherespecial = sphereflipped() ? 1 : -1;
#ifndef STLSORT
for(int p: {PPR_REDWALLs, PPR_REDWALLs2, PPR_REDWALLs3, PPR_WALL3s,
PPR_LAKEWALL, PPR_INLAKEWALL, PPR_BELOWBOTTOM})
@ -812,6 +834,7 @@ void drawqueue() {
reverse(&ptds2[qp0[p]], &ptds2[qp[p]]);
#endif
spherespecial *= -1;
spherephase = 1;
}
for(int i=0; i<siz; i++) {
#ifdef STLSORT