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ru:: grid bugs

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Zeno Rogue 2025-05-10 02:59:00 +02:00
parent 55946bdf49
commit f91f6711c0
3 changed files with 80 additions and 0 deletions
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12
rogueviz/ru/classes.cpp
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@ -395,6 +395,18 @@ struct kestrel : public enemy {
int max_hp() { return 30; }
};
struct gridbug : public enemy {
int next_move;
xy siz() override { return {10, 10}; }
string glyph() override { return "x"; }
color_t color() override { return 0xD000D0FF; }
void act() override;
string get_name() override { return "grid bug"; }
string get_help() override { return "You are not sure whether this is some kind of insect or some glitch in the fabric of the reality."; }
int base_xp() { return 10; }
int max_hp() { return 10; }
};
struct bat : public enemy {
int next_change;
xy siz() override { return {6, 6}; }

62
rogueviz/ru/entity.cpp
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@ -422,6 +422,68 @@ void kestrel::act() {
}
}
void gridbug::act() {
if(intersect(get_pixel_bbox(), m.get_pixel_bbox())) {
if(m.reduce_hp(15)) addMessage("The grid bug zaps you!");
}
if(gframeid < next_move || !visible(current_room) || gframeid < invinc_end) return;
auto gridbox = pixel_to_block(get_pixel_bbox());
array<array<ld, room_x>, room_y> times;
for(int y=0; y<room_y; y++)
for(int x=0; x<room_x; x++) times[y][x] = HUGE_VAL;
for(auto& e: current_room->entities) if(&*e != this) {
auto obox = pixel_to_block(e->get_pixel_bbox());
for(int x=obox.minx; x<obox.maxx; x++)
for(int y=obox.miny; y<obox.maxy; y++) times[y][x] = -10;
}
std::priority_queue<pair<ld, pair<int, int>>> q;
auto visit = [&] (int x, int y, ld t) {
q.push({-t, {x, y}});
};
auto manbox = pixel_to_block(m.get_pixel_bbox());
for(int x=manbox.minx; x<manbox.maxx; x++)
for(int y=manbox.miny; y<manbox.maxy; y++) visit(x, y, 0);
int origx = (gridbox.minx+gridbox.maxx)/2;
int origy = (gridbox.miny+gridbox.maxy)/2;
int resx = origx, resy = origy;
ld rest = HUGE_VAL;
ld res_move_t = 0.1;
while(!q.empty()) {
auto [t, xy] = q.top(); q.pop();
t = -t; auto [x, y] = xy;
ld& memt = times[y][x];
if(t > memt) continue;
memt = t;
auto move_to = [&] (int x1, int y1) {
if(x1 < 0 || y1 < 0 || x1 >= room_x || y1 >= room_y) return;
auto b = current_room->at(x1, y1);
flagtype blocking = (W_BLOCK | W_BLOCKBIRD);
if(walls[b].flags & blocking) return;
ld d = hdist(to_hyper(block_x*(x+.5), block_y*(y+.5)), to_hyper(block_x*(x1+.5), block_y*(y+1.5))) * 10;
if(x1 == origx && y1 == origy && rest > t+d) { rest = t+d; resx = x; resy = y; res_move_t = d; }
visit(x1, y1, t+d);
};
move_to(x+1, y);
move_to(x-1, y);
move_to(x, y+1);
move_to(x, y-1);
}
next_move = gframeid + game_fps * res_move_t;
where = xy(block_x * (resx + .5), block_y * (resy + .5));
}
void bat::act() {
if(gframeid >= next_change && gframeid > invinc_end + 300) {
next_change = gframeid + 300 + rand() % 300;

6
rogueviz/ru/save.cpp
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@ -141,6 +141,12 @@ void load_room(fhstream& f, cell *c) {
b->respawn = b->where; b->postfix();
r.entities.emplace_back(std::move(b));
}
else if(cap == "GRIDBUG") {
auto b = std::make_unique<gridbug>();
sscanf(param.c_str(), "%lf%lf", &b->where.x, &b->where.y);
b->respawn = b->where; b->postfix();
r.entities.emplace_back(std::move(b));
}
else if(cap == "KESTREL") {
auto b = std::make_unique<kestrel>();
sscanf(param.c_str(), "%lf%lf%lf%lf", &b->where.x, &b->where.y, &b->vel.x, &b->vel.y);