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#include "ai.h"
#include <algorithm>
#include <entt/entt.hpp>
#include <kurator/sim/components.h>
#include <kurator/sim/State.h>
#include <kurator/sim/weapons.h>
#include "TeamManager.h"
namespace kurator
{
namespace sim
{
static double find_worst_range(State& ctx, entt::entity ship);
void
setup_ai_components(State&)
{
// e.g., remove other actions if new one is inserted.
}
void
pick_random_targets(State& ctx, TeamManager& manager)
{
auto view = ctx.registry.view<Team, AIShip>();
for (auto&& [entity, team, ai] : view.each()) {
if (!ctx.registry.valid(ai.target)) {
ai.target = manager.random(team.id);
ctx.registry.emplace_or_replace<KeepAtRange>(entity, find_worst_range(ctx, entity), ai.target);
}
}
}
void
keep_at_range(State& ctx)
{
auto view = ctx.registry.view<AIShip, KeepAtRange>();
for (auto&& [entity, ai, action] : view.each()) {
if (!ctx.registry.valid(action.target))
continue;
const auto here = ctx.registry.get<Transform>(entity).position;
const auto there = ctx.registry.get<Transform>(action.target).position;
const auto offset = there - here;
ai.destination = there - offset.normalized().scale(action.distance);
}
}
void
shoot_at_targets(State& ctx)
{
auto view = ctx.registry.view<Turret>();
for (auto&& [entity, turret] : view.each()) {
if (!ctx.registry.all_of<AIShip, Transform>(turret.owner))
continue;
const auto& [state, transform] = ctx.registry.get<AIShip, Transform>(turret.owner);
if (!ctx.registry.valid(state.target))
continue;
const auto& target = ctx.registry.get<Transform>(state.target);
const auto distance = transform.position.distance(target.position);
if (distance <= turret.type.effective_range())
turret.shoot_at(ctx, state.target, distance); // passing distance here is wrong
}
}
double
find_worst_range(State& ctx, entt::entity ship)
{
double range = 20000.0;
auto turrets = ctx.registry.view<Turret>();
for (const auto& [_, turret] : turrets.each()) {
if (turret.owner == ship)
range = std::min(range, turret.type.optimal_range);
}
return range;
}
} // namespace sim
} // namespace kurator
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