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Now added a System::multi_path which can target to multiple entities.

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This commit is contained in:
Zed A. Shaw 2025-08-31 00:39:35 -04:00
parent fc678c6b42
commit 4365aa4bfc
2 changed files with 25 additions and 21 deletions
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22
systems.hpp
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@ -3,6 +3,7 @@
#include <SFML/Graphics/RenderTexture.hpp>
#include "map.hpp"
#include "spatialmap.hpp"
#include "game_level.hpp"
namespace System {
using namespace components;
@ -43,4 +44,25 @@ namespace System {
void set_position(DinkyECS::World& world, SpatialMap& collision, Entity entity, Position pos);
bool use_item(const std::string& slot_name);
template <typename T>
void multi_path(GameDB::Level& level, Pathing& paths, Matrix& walls) {
// first, put everything of this type as a target
level.world->query<Position, T>(
[&](const auto ent, auto& position, auto&) {
if(ent != level.player) {
paths.set_target(position.location);
}
});
level.world->query<Collision>(
[&](const auto ent, auto& collision) {
if(collision.has && ent != level.player) {
auto& pos = level.world->get<Position>(ent);
walls[pos.location.y][pos.location.x] = WALL_VALUE;
}
});
paths.compute_paths(walls);
}
}

24
tests/pathing.cpp
View file

@ -9,6 +9,7 @@
#include <chrono>
#include <thread>
#include "rand.hpp"
#include "systems.hpp"
using namespace fmt;
using namespace nlohmann;
@ -23,32 +24,13 @@ json load_test_pathing(const string &fname) {
TEST_CASE("multiple targets can path", "[pathing]") {
GameDB::init();
auto level = GameDB::create_level();
auto& walls_original = level.map->$walls;
auto walls_copy = walls_original;
auto walls_copy = level.map->$walls;
Pathing paths{matrix::width(walls_copy), matrix::height(walls_copy)};
// first, put everything of this type as a target
level.world->query<Position, Combat>(
[&](const auto ent, auto& position, auto&) {
if(ent != level.player) {
paths.set_target(position.location);
}
});
System::multi_path<Combat>(level, paths, walls_copy);
level.world->query<Collision>(
[&](const auto ent, auto& collision) {
if(collision.has && ent != level.player) {
auto& pos = level.world->get<Position>(ent);
walls_copy[pos.location.y][pos.location.x] = WALL_VALUE;
}
});
paths.compute_paths(walls_copy);
bool diag = Random::uniform<int>(0, 1);
auto pos = GameDB::player_position().location;
auto found = paths.find_path(pos, PATHING_TOWARD, diag);