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Preserve belts when placing zoomer

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This commit is contained in:
Nikita Lisitsa 2024-08-20 19:02:14 +03:00
parent ea05a6e419
commit 2269c3aa76
1 changed files with 67 additions and 7 deletions
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74
source/application.cpp
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@ -492,10 +492,13 @@ namespace gmtk
using index = index_base<vertex, util::make_uuid("vertex_index")>;
using path_index = index_base<path_vertex, util::make_uuid("path_vertex_index")>;
void sink_belt(ecs::container & world, location m)
// 1 - from center to m
// -1 - from m to center
// 0 - no belt
int sink_belt(ecs::container & world, location m)
{
if (auto entity = world.index<index>().find(m.up()); !entity || !world.get(*entity).contains<zoomer>())
return;
return 0;
auto & index = world.index<path_index>();
@ -526,6 +529,8 @@ namespace gmtk
add_belt(world, mde, ne);
sink_belt(world, md);
return 1;
}
else if (cv.belts_from.contains(me))
{
@ -545,7 +550,11 @@ namespace gmtk
add_belt(world, mde, cde);
sink_belt(world, md);
return -1;
}
else
return 0;
}
void sink(ecs::container & world, location & c, location & m)
@ -687,12 +696,63 @@ namespace gmtk
zoomer{}
);
auto c = l.down();
auto & index = map.world->index<path_index>();
sink_belt(*map.world, c.left());
sink_belt(*map.world, c.right());
sink_belt(*map.world, c.bottom());
sink_belt(*map.world, c.top());
auto c = l.down();
auto cd = c.down();
if (int d = sink_belt(*map.world, c.left()))
{
for (int i = 0; i < 3; ++i)
{
auto e0 = index.get(cd.moved({-i, 0}));
auto e1 = index.get(cd.moved({-i-1, 0}));
if (d == 1)
add_belt(*map.world, e0, e1);
else
add_belt(*map.world, e1, e0);
}
}
if (int d = sink_belt(*map.world, c.right()))
{
for (int i = 0; i < 3; ++i)
{
auto e0 = index.get(cd.moved({i, 0}));
auto e1 = index.get(cd.moved({i+1, 0}));
if (d == 1)
add_belt(*map.world, e0, e1);
else
add_belt(*map.world, e1, e0);
}
}
if (int d = sink_belt(*map.world, c.bottom()))
{
for (int i = 0; i < 3; ++i)
{
auto e0 = index.get(cd.moved({0, -i}));
auto e1 = index.get(cd.moved({0, -i-1}));
if (d == 1)
add_belt(*map.world, e0, e1);
else
add_belt(*map.world, e1, e0);
}
}
if (int d = sink_belt(*map.world, c.top()))
{
for (int i = 0; i < 3; ++i)
{
auto e0 = index.get(cd.moved({0, i}));
auto e1 = index.get(cd.moved({0, i+1}));
if (d == 1)
add_belt(*map.world, e0, e1);
else
add_belt(*map.world, e1, e0);
}
}
return true;
}
break;