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I think I've got my head around what ECS does and am slowly reshaping the engine to use it better.

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Zed A. Shaw 2024-10-16 20:31:00 -04:00
parent da04c5ec54
commit e42647d727
5 changed files with 93 additions and 76 deletions
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46
systems.cpp Normal file
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#include "systems.hpp"
void System::enemy_pathing(DinkyECS::World &world, Map &game_map, Player &player) {
// move enemies system
world.system<Position, Motion>([&](const auto &ent, auto &position, auto &motion) {
if(ent != player.entity) {
Point out = position.location;
game_map.neighbors(out, false);
motion = { int(out.x - position.location.x), int(out.y - position.location.y)};
}
});
}
void System::motion(DinkyECS::World &world, Map &game_map) {
world.system<Position, Motion>([&](const auto &ent, auto &position, auto &motion) {
Point move_to = {
position.location.x + motion.dx,
position.location.y + motion.dy
};
motion = {0,0}; // clear it after getting it
if(game_map.inmap(move_to.x, move_to.y) && !game_map.iswall(move_to.x,move_to.y)) {
game_map.clear_target(position.location);
position.location = move_to;
}
});
}
void System::combat(DinkyECS::World &world, Player &player) {
const auto& player_position = world.component<Position>(player.entity);
world.system<Position, Combat>([&](const auto &ent, auto &pos, auto &combat) {
if(ent != player.entity && pos.location.x == player_position.location.x &&
pos.location.y == player_position.location.y) {
}
});
};
void System::draw_entities(DinkyECS::World &world, ftxui::Canvas &canvas) {
world.system<Position, Tile>([&](const auto &ent, auto &pos, auto &tile) {
canvas.DrawText(pos.location.x*2, pos.location.y*4, tile.chr);
});
}