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barrier:: the barrier _WALL algorithm now moves step by step

This commit is contained in:
Zeno Rogue 2021-07-30 23:48:48 +02:00
parent b29e27e1c8
commit 0559fce5fb
2 changed files with 47 additions and 27 deletions
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67
barriers.cpp
View File

@ -113,6 +113,10 @@ EX void spin_around_by(cellwalker& bb, int dir, int q) {
}
}
EX bool on_wall(eLand ws) {
return among(ws, NOWALLSEP_WALL_CPOS, NOWALLSEP_WALL_CNEG, NOWALLSEP_WALL_EPOS, NOWALLSEP_WALL_ENEG);
}
EX bool advance_nowall(cellwalker& bb, int& dir, eLand& l1, eLand& l2, eLand& ws, bool setit) {
bool ok = true;
if(ws == NOWALLSEP_WALL) {
@ -131,11 +135,14 @@ EX bool advance_nowall(cellwalker& bb, int& dir, eLand& l1, eLand& l2, eLand& ws
surround_by(setit, bb, dir, s+1, steps-1, l2, true, ok);
spin_around_by(bb, dir, s);
bool at_corner = true;
int qty = 0;
tile:
qty++; if(qty == 10000) return true;
ws = dir > 0 ? NOWALLSEP_WALL_CPOS : NOWALLSEP_WALL_CNEG;
// goto tile;
return ok;
}
if(on_wall(ws)) {
bool at_corner = among(ws, NOWALLSEP_WALL_CPOS, NOWALLSEP_WALL_CNEG);
cell *current = bb.at;
if(current->bardir != NODIR) ok = false;
@ -168,7 +175,7 @@ EX bool advance_nowall(cellwalker& bb, int& dir, eLand& l1, eLand& l2, eLand& ws
// bb is now facing the last neighbor inside
if(t % 2 == (at_corner ? 1 : 0)) {
if(setit) setbarrier(current, l1, l2, qty == 1);
if(setit) setbarrier(current, l1, l2, at_corner);
int d = get_valence(bb, dir, ok);
surround_by(setit, bb, dir, 2, d, l2, true, ok);
@ -178,27 +185,29 @@ EX bool advance_nowall(cellwalker& bb, int& dir, eLand& l1, eLand& l2, eLand& ws
d = get_valence(bb, -dir, ok);
surround_by(setit, bb, -dir, 2, d-1, l1, false, ok);
at_corner = false;
goto tile;
ws = dir > 0 ? NOWALLSEP_WALL_EPOS : NOWALLSEP_WALL_ENEG;
return ok;
}
int steps1 = get_valence(bb, dir, ok);
bool finish = steps1 % 2;
if(setit) setbarrier(current, l1, l2, qty == 1 || finish);
if(setit) setbarrier(current, l1, l2, true);
if(!finish) {
if(steps1 % 2 == 0) {
int s1 = steps1 / 2;
surround_by(setit, bb, dir, 1, s1, l1, false, ok);
surround_by(setit, bb, dir, s1+1, steps1-1, l2, true, ok);
spin_around_by(bb, dir, s1);
at_corner = true;
goto tile;
ws = dir > 0 ? NOWALLSEP_WALL_CPOS : NOWALLSEP_WALL_CNEG;
return ok;
}
int s1 = (steps - 1) / 2;
int s1 = (steps1 - 1) / 2;
surround_by(setit, bb, dir, 1, s1, l1, false, ok);
surround_by(setit, bb, dir, s1+2, steps1-1, l2, true, ok);
spin_around_by(bb, dir, s1);
bb += dir;
bb += dir;
ws = NOWALLSEP_WALL;
}
else if(warped_version(l1, l2)) {
bb = bb + wstep + (2*dir) + wstep + dir;
@ -235,7 +244,7 @@ EX bool checkBarriersNowall(cellwalker bb, int q, int dir, eLand ws, eLand l1 IS
}
}
if(l1 != l2 && bb.at->barleft != NOWALLSEP_USED) {
if(l1 != l2 && bb.at->barleft != NOWALLSEP_USED && !on_wall(ws)) {
bb.at->bardir = bb.spin; bb.at->barright = l2; bb.at->barleft = ws;
setland(bb.at, l1);
}
@ -393,24 +402,28 @@ EX void extendBarrierBack(cell *c) {
EX void extendNowall(cell *c) {
eLand ws = c->barleft;
c->barleft = NOWALLSEP_USED;
if(c->bardir == NODIR) {
println(hlog, "error: NODIR barrier at ", c);
return;
}
cellwalker cw(c, c->bardir);
c->barleft = NOWALLSEP_USED;
eLand l1 = c->land;
eLand l2 = c->barright;
setland(cw.cpeek(), l2);
cw.cpeek()->barleft = NOWALLSEP_USED;
checkBarriersNowall(cw, 0, 1, ws, l1, l2);
checkBarriersNowall(cw, 0, -1, ws, l1, l2);
if(!on_wall(ws)) {
if(c->bardir == NODIR) {
println(hlog, "error: NODIR barrier at ", c);
return;
}
setland(cw.cpeek(), l2);
cw.cpeek()->barleft = NOWALLSEP_USED;
}
for(int i: {-1, 1}) {
if(i == -1 && among(ws, NOWALLSEP_WALL_CPOS, NOWALLSEP_WALL_EPOS)) continue;
if(i == +1 && among(ws, NOWALLSEP_WALL_CNEG, NOWALLSEP_WALL_ENEG)) continue;
checkBarriersNowall(cw, 10, i, ws, l1, l2);
cellwalker cw0 = cw;
eLand xl1 = l1, xl2 = l2;
eLand ws1 = ws;

7
classes.cpp
View File

@ -1059,10 +1059,17 @@ EX vector<modelinfo> mdinf = {
#if HDR
static inline bool orbProtection(eItem it) { return false; } // not implemented
// these markers use lands which never appear on barrier sides
const eLand NOWALLSEP = laNone;
const eLand NOWALLSEP_SWAP = laMountain;
const eLand NOWALLSEP_WALL = laHauntedWall;
const eLand NOWALLSEP_USED = laWhirlpool;
const eLand NOWALLSEP_WALL_CPOS = laBarrier;
const eLand NOWALLSEP_WALL_CNEG = laOceanWall;
const eLand NOWALLSEP_WALL_EPOS = laClearing;
const eLand NOWALLSEP_WALL_ENEG = laPrincessQuest;
#endif
}