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Code Issues Releases Wiki Activity

landscape structure is now based on BCC honeycomb

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Zeno Rogue 2024-03-21 22:50:42 +01:00
parent a650fe7faf
commit 350963852c
2 changed files with 24 additions and 10 deletions
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7
config.cpp
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@ -3332,9 +3332,10 @@ EX int config3 = addHook(hooks_configfile, 100, [] {
"land size in randomwalk mode", "land size in randomwalk mode",
"The average size of a land in randomwalk mode.", 'R') "The average size of a land in randomwalk mode.", 'R')
->set_reaction([] { if(game_active) { stop_game(); start_game(); } }); ->set_reaction([] { if(game_active) { stop_game(); start_game(); } });
param_i(landscape_div, "landscape_div", 32)->editable(1, 100, 1, param_i(landscape_div, "landscape_div")->editable(1, 100, 1,
"land size in landscape mode", "land size in landscape structure",
"The bigger the value, the larger the lands.", 'R') "Each cell gets three coordinates, each of which change smoothly, using the same method as used for the generation of landscapes e.g. in Dragon Chasms. "
"Then, we find a cell of the bitruncated cubic honeycomb at these cordinates, and this cell determines which land it is. The bigger the value, the larger the lands.", 'R')
->set_reaction([] { if(game_active) { stop_game(); start_game(); } }); ->set_reaction([] { if(game_active) { stop_game(); start_game(); } });
param_f(global_boundary_ratio, "global_boundary_ratio") param_f(global_boundary_ratio, "global_boundary_ratio")

27
landgen.cpp
View File

@ -2900,7 +2900,8 @@ EX void share_land(cell *c, cell *c2) {
c->land = c2->land; c->land = c2->land;
} }
EX int landscape_div = 32; // odd landscape_div are better
EX int landscape_div = 25;
EX void set_land_for_geometry(cell *c) { EX void set_land_for_geometry(cell *c) {
if(!c->land && isize(currentlands)) { if(!c->land && isize(currentlands)) {
@ -2909,12 +2910,24 @@ EX void set_land_for_geometry(cell *c) {
return; return;
} }
if(land_structure == lsLandscape) { if(land_structure == lsLandscape) {
if(landscape_div < 0) landscape_div = 0; if(landscape_div < 0) landscape_div = 1;
int shift = landscape_div / 2; array<int, 3> a;
int a0 = getCdata(c, 0) + shift; for(int i=0; i<3; i++) a[i] = getCdata(c, i);
int a1 = getCdata(c, 1) + shift; auto ca = a;
int a2 = getCdata(c, 2) + shift; auto& ld = landscape_div;
eLand& l = landscape_lands[{a0/landscape_div,a1/landscape_div,a2/landscape_div}]; auto ld2 = ld * 2;
int sh = 0;
for(int i=0; i<3; i++) {
int x = a[i];
x = gmod(x, ld2);
if(x >= ld) sh += x - ld;
else sh += ld - 1 - x;
}
for(int i=0; i<3; i++) {
if(sh * 2 < ld * 3) a[i] = gdiv(a[i], ld2)*2+1;
else a[i] = gdiv(a[i]+ld, ld2)*2;
}
eLand& l = landscape_lands[{a[0], a[1], a[2]}];
if(l == laNone) l = random_land(); if(l == laNone) l = random_land();
setland(c, l); setland(c, l);
return; return;