78 lines
2.7 KiB
C++
78 lines
2.7 KiB
C++
#include "StarEntityLuaBindings.hpp"
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#include "StarJsonExtra.hpp"
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#include "StarLuaGameConverters.hpp"
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#include "StarPlayer.hpp"
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#include "StarMonster.hpp"
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#include "StarNpc.hpp"
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#include "StarWorld.hpp"
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namespace Star {
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LuaCallbacks LuaBindings::makeEntityCallbacks(Entity const* entity) {
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LuaCallbacks callbacks;
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callbacks.registerCallbackWithSignature<EntityId>("id", bind(EntityCallbacks::id, entity));
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callbacks.registerCallbackWithSignature<LuaTable, LuaEngine&>(
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"damageTeam", bind(EntityCallbacks::damageTeam, entity, _1));
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callbacks.registerCallbackWithSignature<bool, EntityId>(
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"isValidTarget", bind(EntityCallbacks::isValidTarget, entity, _1));
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callbacks.registerCallbackWithSignature<Vec2F, EntityId>(
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"distanceToEntity", bind(EntityCallbacks::distanceToEntity, entity, _1));
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callbacks.registerCallbackWithSignature<bool, EntityId>(
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"entityInSight", bind(EntityCallbacks::entityInSight, entity, _1));
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callbacks.registerCallback("position", [entity]() { return entity->position(); });
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callbacks.registerCallback("entityType", [entity]() { return EntityTypeNames.getRight(entity->entityType()); });
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callbacks.registerCallback("uniqueId", [entity]() { return entity->uniqueId(); });
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callbacks.registerCallback("persistent", [entity]() { return entity->persistent(); });
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return callbacks;
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}
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EntityId LuaBindings::EntityCallbacks::id(Entity const* entity) {
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return entity->entityId();
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}
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LuaTable LuaBindings::EntityCallbacks::damageTeam(Entity const* entity, LuaEngine& engine) {
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auto table = engine.createTable();
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auto team = entity->getTeam();
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table.set("type", TeamTypeNames.getRight(team.type));
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table.set("team", team.team);
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return table;
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}
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bool LuaBindings::EntityCallbacks::isValidTarget(Entity const* entity, EntityId entityId) {
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auto target = entity->world()->entity(entityId);
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if (!target || !entity->getTeam().canDamage(target->getTeam(), false))
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return false;
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if (auto monster = as<Monster>(target))
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return monster->aggressive();
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if (auto npc = as<Npc>(target)) {
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if (auto attackerNpc = as<Npc>(entity))
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return npc->aggressive() || attackerNpc->aggressive();
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return true;
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}
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return is<Player>(target);
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}
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Vec2F LuaBindings::EntityCallbacks::distanceToEntity(Entity const* entity, EntityId entityId) {
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Vec2F dist;
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if (auto target = entity->world()->entity(entityId))
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dist = entity->world()->geometry().diff(target->position(), entity->position());
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return dist;
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}
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bool LuaBindings::EntityCallbacks::entityInSight(Entity const* entity, EntityId entityId) {
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if (auto target = entity->world()->entity(entityId))
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return !entity->world()->lineTileCollision(target->position(), entity->position());
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else
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return false;
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}
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}
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