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osb/source/game/items/StarActiveItem.cpp
Kae 6352e8e319 everything everywhere 
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2023-06-20 14:33:09 +10:00

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#include "StarActiveItem.hpp"
#include "StarRoot.hpp"
#include "StarAssets.hpp"
#include "StarConfigLuaBindings.hpp"
#include "StarItemLuaBindings.hpp"
#include "StarStatusControllerLuaBindings.hpp"
#include "StarNetworkedAnimatorLuaBindings.hpp"
#include "StarScriptedAnimatorLuaBindings.hpp"
#include "StarPlayerLuaBindings.hpp"
#include "StarEntityLuaBindings.hpp"
#include "StarJsonExtra.hpp"
#include "StarDataStreamExtra.hpp"
#include "StarPlayer.hpp"
#include "StarEmoteEntity.hpp"
namespace Star {
ActiveItem::ActiveItem(Json const& config, String const& directory, Json const& parameters)
: Item(config, directory, parameters) {
auto assets = Root::singleton().assets();
auto animationConfig = assets->fetchJson(instanceValue("animation"), directory);
if (auto customConfig = instanceValue("animationCustom"))
animationConfig = jsonMerge(animationConfig, customConfig);
m_itemAnimator = NetworkedAnimator(animationConfig, directory);
for (auto const& pair : instanceValue("animationParts", JsonObject()).iterateObject())
m_itemAnimator.setPartTag(pair.first, "partImage", pair.second.toString());
m_scriptedAnimationParameters.reset(config.getObject("scriptedAnimationParameters", {}));
addNetElement(&m_itemAnimator);
addNetElement(&m_holdingItem);
addNetElement(&m_backArmFrame);
addNetElement(&m_frontArmFrame);
addNetElement(&m_twoHandedGrip);
addNetElement(&m_recoil);
addNetElement(&m_outsideOfHand);
addNetElement(&m_armAngle);
addNetElement(&m_facingDirection);
addNetElement(&m_damageSources);
addNetElement(&m_itemDamageSources);
addNetElement(&m_shieldPolys);
addNetElement(&m_itemShieldPolys);
addNetElement(&m_forceRegions);
addNetElement(&m_itemForceRegions);
// don't interpolate scripted animation parameters
addNetElement(&m_scriptedAnimationParameters, false);
m_holdingItem.set(true);
m_armAngle.setFixedPointBase(0.01f);
}
ActiveItem::ActiveItem(ActiveItem const& rhs) : ActiveItem(rhs.config(), rhs.directory(), rhs.parameters()) {}
ItemPtr ActiveItem::clone() const {
return make_shared<ActiveItem>(*this);
}
void ActiveItem::init(ToolUserEntity* owner, ToolHand hand) {
ToolUserItem::init(owner, hand);
if (entityMode() == EntityMode::Master) {
m_script.setScripts(jsonToStringList(instanceValue("scripts")).transformed(bind(&AssetPath::relativeTo, directory(), _1)));
m_script.setUpdateDelta(instanceValue("scriptDelta", 1).toUInt());
m_twoHandedGrip.set(twoHanded());
if (auto previousStorage = instanceValue("scriptStorage"))
m_script.setScriptStorage(previousStorage.toObject());
m_script.addCallbacks("activeItem", makeActiveItemCallbacks());
m_script.addCallbacks("item", LuaBindings::makeItemCallbacks(this));
m_script.addCallbacks("config", LuaBindings::makeConfigCallbacks(bind(&Item::instanceValue, as<Item>(this), _1, _2)));
m_script.addCallbacks("animator", LuaBindings::makeNetworkedAnimatorCallbacks(&m_itemAnimator));
m_script.addCallbacks("status", LuaBindings::makeStatusControllerCallbacks(owner->statusController()));
m_script.addActorMovementCallbacks(owner->movementController());
if (auto player = as<Player>(owner))
m_script.addCallbacks("player", LuaBindings::makePlayerCallbacks(player));
m_script.addCallbacks("entity", LuaBindings::makeEntityCallbacks(as<Entity>(owner)));
m_script.init(world());
m_currentFireMode = FireMode::None;
}
if (world()->isClient()) {
if (auto animationScripts = instanceValue("animationScripts")) {
m_scriptedAnimator.setScripts(jsonToStringList(animationScripts).transformed(bind(&AssetPath::relativeTo, directory(), _1)));
m_scriptedAnimator.setUpdateDelta(instanceValue("animationDelta", 1).toUInt());
m_scriptedAnimator.addCallbacks("animationConfig", LuaBindings::makeScriptedAnimatorCallbacks(&m_itemAnimator,
[this](String const& name, Json const& defaultValue) -> Json {
return m_scriptedAnimationParameters.value(name, defaultValue);
}));
m_scriptedAnimator.addCallbacks("activeItemAnimation", makeScriptedAnimationCallbacks());
m_scriptedAnimator.addCallbacks("config", LuaBindings::makeConfigCallbacks(bind(&Item::instanceValue, as<Item>(this), _1, _2)));
m_scriptedAnimator.init(world());
}
}
}
void ActiveItem::uninit() {
if (entityMode() == EntityMode::Master) {
m_script.uninit();
m_script.removeCallbacks("activeItem");
m_script.removeCallbacks("item");
m_script.removeCallbacks("config");
m_script.removeCallbacks("animator");
m_script.removeCallbacks("status");
m_script.removeActorMovementCallbacks();
m_script.removeCallbacks("player");
m_script.removeCallbacks("entity");
}
if (world()->isClient()) {
if (auto animationScripts = instanceValue("animationScripts")) {
m_scriptedAnimator.uninit();
m_scriptedAnimator.removeCallbacks("animationConfig");
m_scriptedAnimator.removeCallbacks("activeItemAnimation");
m_scriptedAnimator.removeCallbacks("config");
}
}
m_itemAnimatorDynamicTarget.stopAudio();
ToolUserItem::uninit();
m_activeAudio.clear();
}
void ActiveItem::update(FireMode fireMode, bool shifting, HashSet<MoveControlType> const& moves) {
StringMap<bool> moveMap;
for (auto m : moves)
moveMap[MoveControlTypeNames.getRight(m)] = true;
if (entityMode() == EntityMode::Master) {
if (fireMode != m_currentFireMode) {
m_currentFireMode = fireMode;
if (fireMode != FireMode::None)
m_script.invoke("activate", FireModeNames.getRight(fireMode), shifting, moveMap);
}
m_script.update(m_script.updateDt(), FireModeNames.getRight(fireMode), shifting, moveMap);
if (instanceValue("retainScriptStorageInItem", false).toBool()) {
setInstanceValue("scriptStorage", m_script.getScriptStorage());
}
}
if (world()->isClient()) {
m_itemAnimator.update(WorldTimestep, &m_itemAnimatorDynamicTarget);
m_scriptedAnimator.update(m_scriptedAnimator.updateDt());
} else {
m_itemAnimator.update(WorldTimestep, nullptr);
}
eraseWhere(m_activeAudio, [this](pair<AudioInstancePtr const, Vec2F> const& a) {
a.first->setPosition(owner()->position() + handPosition(a.second));
return a.first->finished();
});
for (auto shieldPoly : shieldPolys()) {
shieldPoly.translate(owner()->position());
SpatialLogger::logPoly("world", shieldPoly, {255, 255, 0, 255});
}
for (auto forceRegion : forceRegions()) {
if (auto dfr = forceRegion.ptr<DirectionalForceRegion>())
SpatialLogger::logPoly("world", dfr->region, {155, 0, 255, 255});
else if (auto rfr = forceRegion.ptr<RadialForceRegion>())
SpatialLogger::logPoint("world", rfr->center, {155, 0, 255, 255});
}
}
List<DamageSource> ActiveItem::damageSources() const {
List<DamageSource> damageSources = m_damageSources.get();
for (auto ds : m_itemDamageSources.get()) {
if (ds.damageArea.is<PolyF>()) {
auto& poly = ds.damageArea.get<PolyF>();
poly.rotate(m_armAngle.get());
if (owner()->facingDirection() == Direction::Left)
poly.flipHorizontal(0.0f);
poly.translate(handPosition(Vec2F()));
} else if (ds.damageArea.is<Line2F>()) {
auto& line = ds.damageArea.get<Line2F>();
line.rotate(m_armAngle.get());
if (owner()->facingDirection() == Direction::Left)
line.flipHorizontal(0.0f);
line.translate(handPosition(Vec2F()));
}
damageSources.append(move(ds));
}
return damageSources;
}
List<PolyF> ActiveItem::shieldPolys() const {
List<PolyF> shieldPolys = m_shieldPolys.get();
for (auto sp : m_itemShieldPolys.get()) {
sp.rotate(m_armAngle.get());
if (owner()->facingDirection() == Direction::Left)
sp.flipHorizontal(0.0f);
sp.translate(handPosition(Vec2F()));
shieldPolys.append(move(sp));
}
return shieldPolys;
}
List<PhysicsForceRegion> ActiveItem::forceRegions() const {
List<PhysicsForceRegion> forceRegions = m_forceRegions.get();
for (auto fr : m_itemForceRegions.get()) {
if (auto dfr = fr.ptr<DirectionalForceRegion>()) {
dfr->region.rotate(m_armAngle.get());
if (owner()->facingDirection() == Direction::Left)
dfr->region.flipHorizontal(0.0f);
dfr->region.translate(owner()->position() + handPosition(Vec2F()));
} else if (auto rfr = fr.ptr<RadialForceRegion>()) {
rfr->center = rfr->center.rotate(m_armAngle.get());
if (owner()->facingDirection() == Direction::Left)
rfr->center[0] *= -1;
rfr->center += owner()->position() + handPosition(Vec2F());
}
forceRegions.append(move(fr));
}
return forceRegions;
}
bool ActiveItem::holdingItem() const {
return m_holdingItem.get();
}
Maybe<String> ActiveItem::backArmFrame() const {
return m_backArmFrame.get();
}
Maybe<String> ActiveItem::frontArmFrame() const {
return m_frontArmFrame.get();
}
bool ActiveItem::twoHandedGrip() const {
return m_twoHandedGrip.get();
}
bool ActiveItem::recoil() const {
return m_recoil.get();
}
bool ActiveItem::outsideOfHand() const {
return m_outsideOfHand.get();
}
float ActiveItem::armAngle() const {
return m_armAngle.get();
}
Maybe<Direction> ActiveItem::facingDirection() const {
return m_facingDirection.get();
}
List<Drawable> ActiveItem::handDrawables() const {
if (m_itemAnimator.parts().empty()) {
auto drawables = Item::iconDrawables();
Drawable::scaleAll(drawables, 1.0f / TilePixels);
return drawables;
} else {
return m_itemAnimator.drawables();
}
}
List<pair<Drawable, Maybe<EntityRenderLayer>>> ActiveItem::entityDrawables() const {
return m_scriptedAnimator.drawables();
}
List<LightSource> ActiveItem::lights() const {
// Same as pullNewAudios, we translate and flip ourselves.
List<LightSource> result;
for (auto& light : m_itemAnimator.lightSources()) {
light.position = owner()->position() + handPosition(light.position);
light.beamAngle += m_armAngle.get();
if (owner()->facingDirection() == Direction::Left) {
if (light.beamAngle > 0)
light.beamAngle = Constants::pi / 2 + constrainAngle(Constants::pi / 2 - light.beamAngle);
else
light.beamAngle = -Constants::pi / 2 - constrainAngle(light.beamAngle + Constants::pi / 2);
}
result.append(move(light));
}
result.appendAll(m_scriptedAnimator.lightSources());
return result;
}
List<AudioInstancePtr> ActiveItem::pullNewAudios() {
// Because the item animator is in hand-space, and Humanoid does all the
// translation *and flipping*, we cannot use NetworkedAnimator's built-in
// functionality to rotate and flip, and instead must do it manually. We do
// not call animatorTarget.setPosition, and keep track of running audio
// ourselves. It would be easier if (0, 0) for the NetworkedAnimator was,
// say, the shoulder and un-rotated, but it gets a bit weird with Humanoid
// modifications.
List<AudioInstancePtr> result;
for (auto& audio : m_itemAnimatorDynamicTarget.pullNewAudios()) {
m_activeAudio[audio] = *audio->position();
audio->setPosition(owner()->position() + handPosition(*audio->position()));
result.append(move(audio));
}
result.appendAll(m_scriptedAnimator.pullNewAudios());
return result;
}
List<Particle> ActiveItem::pullNewParticles() {
// Same as pullNewAudios, we translate, rotate, and flip ourselves
List<Particle> result;
for (auto& particle : m_itemAnimatorDynamicTarget.pullNewParticles()) {
particle.position = owner()->position() + handPosition(particle.position);
particle.velocity = particle.velocity.rotate(m_armAngle.get());
if (owner()->facingDirection() == Direction::Left) {
particle.velocity[0] *= -1;
particle.flip = !particle.flip;
}
result.append(move(particle));
}
result.appendAll(m_scriptedAnimator.pullNewParticles());
return result;
}
Maybe<String> ActiveItem::cursor() const {
return m_cursor;
}
Maybe<Json> ActiveItem::receiveMessage(String const& message, bool localMessage, JsonArray const& args) {
return m_script.handleMessage(message, localMessage, args);
}
float ActiveItem::durabilityStatus() {
auto durability = instanceValue("durability").optFloat();
if (durability) {
auto durabilityHit = instanceValue("durabilityHit").optFloat().value(*durability);
return durabilityHit / *durability;
}
return 1.0;
}
Vec2F ActiveItem::armPosition(Vec2F const& offset) const {
return owner()->armPosition(hand(), owner()->facingDirection(), m_armAngle.get(), offset);
}
Vec2F ActiveItem::handPosition(Vec2F const& offset) const {
return armPosition(offset + owner()->handOffset(hand(), owner()->facingDirection()));
}
LuaCallbacks ActiveItem::makeActiveItemCallbacks() {
LuaCallbacks callbacks;
callbacks.registerCallback("ownerEntityId", [this]() {
return owner()->entityId();
});
callbacks.registerCallback("ownerTeam", [this]() {
return owner()->getTeam().toJson();
});
callbacks.registerCallback("ownerAimPosition", [this]() {
return owner()->aimPosition();
});
callbacks.registerCallback("ownerPowerMultiplier", [this]() {
return owner()->powerMultiplier();
});
callbacks.registerCallback("fireMode", [this]() {
return FireModeNames.getRight(m_currentFireMode);
});
callbacks.registerCallback("hand", [this]() {
return ToolHandNames.getRight(hand());
});
callbacks.registerCallback("handPosition", [this](Maybe<Vec2F> offset) {
return handPosition(offset.value());
});
// Gets the required aim angle to aim a "barrel" of the item that has the given
// vertical offset from the hand at the given target. The line that is aimed
// at the target is the horizontal line going through the aimVerticalOffset.
callbacks.registerCallback("aimAngleAndDirection", [this](float aimVerticalOffset, Vec2F targetPosition) {
// This was figured out using pencil and paper geometry from the hand
// rotation center, the target position, and the 90 deg vertical offset of
// the "barrel".
Vec2F handRotationCenter = owner()->armPosition(hand(), owner()->facingDirection(), 0.0f, Vec2F());
Vec2F ownerPosition = owner()->position();
// Vector in owner entity space from hand rotation center to target.
Vec2F toTarget = owner()->world()->geometry().diff(targetPosition, (ownerPosition + handRotationCenter));
float toTargetDist = toTarget.magnitude();
// If the aim position is inside the circle formed by the barrel line as it
// goes around (aimVerticalOffset <= toTargetDist) absolutely no angle will
// give you an intersect, so we just bail out and assume the target is at the
// edge of the circle to retain continuity.
float angleAdjust = -std::asin(clamp(aimVerticalOffset / toTargetDist, -1.0f, 1.0f));
auto angleSide = getAngleSide(toTarget.angle());
return luaTupleReturn(angleSide.first + angleAdjust, numericalDirection(angleSide.second));
});
// Similar to aimAngleAndDirection, but only provides the offset-adjusted aimAngle for the current facing direction
callbacks.registerCallback("aimAngle", [this](float aimVerticalOffset, Vec2F targetPosition) {
Vec2F handRotationCenter = owner()->armPosition(hand(), owner()->facingDirection(), 0.0f, Vec2F());
Vec2F ownerPosition = owner()->position();
Vec2F toTarget = owner()->world()->geometry().diff(targetPosition, (ownerPosition + handRotationCenter));
float toTargetDist = toTarget.magnitude();
float angleAdjust = -std::asin(clamp(aimVerticalOffset / toTargetDist, -1.0f, 1.0f));
return toTarget.angle() + angleAdjust;
});
callbacks.registerCallback("setHoldingItem", [this](bool holdingItem) {
m_holdingItem.set(holdingItem);
});
callbacks.registerCallback("setBackArmFrame", [this](Maybe<String> armFrame) {
m_backArmFrame.set(armFrame);
});
callbacks.registerCallback("setFrontArmFrame", [this](Maybe<String> armFrame) {
m_frontArmFrame.set(armFrame);
});
callbacks.registerCallback("setTwoHandedGrip", [this](bool twoHandedGrip) {
m_twoHandedGrip.set(twoHandedGrip);
});
callbacks.registerCallback("setRecoil", [this](bool recoil) {
m_recoil.set(recoil);
});
callbacks.registerCallback("setOutsideOfHand", [this](bool outsideOfHand) {
m_outsideOfHand.set(outsideOfHand);
});
callbacks.registerCallback("setArmAngle", [this](float armAngle) {
m_armAngle.set(armAngle);
});
callbacks.registerCallback("setFacingDirection", [this](float direction) {
m_facingDirection.set(directionOf(direction));
});
callbacks.registerCallback("setDamageSources", [this](Maybe<JsonArray> const& damageSources) {
m_damageSources.set(damageSources.value().transformed(construct<DamageSource>()));
});
callbacks.registerCallback("setItemDamageSources", [this](Maybe<JsonArray> const& damageSources) {
m_itemDamageSources.set(damageSources.value().transformed(construct<DamageSource>()));
});
callbacks.registerCallback("setShieldPolys", [this](Maybe<List<PolyF>> const& shieldPolys) {
m_shieldPolys.set(shieldPolys.value());
});
callbacks.registerCallback("setItemShieldPolys", [this](Maybe<List<PolyF>> const& shieldPolys) {
m_itemShieldPolys.set(shieldPolys.value());
});
callbacks.registerCallback("setForceRegions", [this](Maybe<JsonArray> const& forceRegions) {
if (forceRegions)
m_forceRegions.set(forceRegions->transformed(jsonToPhysicsForceRegion));
else
m_forceRegions.set({});
});
callbacks.registerCallback("setItemForceRegions", [this](Maybe<JsonArray> const& forceRegions) {
if (forceRegions)
m_itemForceRegions.set(forceRegions->transformed(jsonToPhysicsForceRegion));
else
m_itemForceRegions.set({});
});
callbacks.registerCallback("setCursor", [this](Maybe<String> cursor) {
m_cursor = move(cursor);
});
callbacks.registerCallback("setScriptedAnimationParameter", [this](String name, Json value) {
m_scriptedAnimationParameters.set(move(name), move(value));
});
callbacks.registerCallback("setInventoryIcon", [this](String image) {
setInstanceValue("inventoryIcon", image);
setIconDrawables({Drawable::makeImage(move(image), 1.0f, true, Vec2F())});
});
callbacks.registerCallback("setInstanceValue", [this](String name, Json val) {
setInstanceValue(move(name), move(val));
});
callbacks.registerCallback("callOtherHandScript", [this](String const& func, LuaVariadic<LuaValue> const& args) {
if (auto otherHandItem = owner()->handItem(hand() == ToolHand::Primary ? ToolHand::Alt : ToolHand::Primary)) {
if (auto otherActiveItem = as<ActiveItem>(otherHandItem))
return otherActiveItem->m_script.invoke(func, args).value();
}
return LuaValue();
});
callbacks.registerCallback("interact", [this](String const& type, Json const& configData, Maybe<EntityId> const& sourceEntityId) {
owner()->interact(InteractAction(type, sourceEntityId.value(NullEntityId), configData));
});
callbacks.registerCallback("emote", [this](String const& emoteName) {
auto emote = HumanoidEmoteNames.getLeft(emoteName);
if (auto entity = as<EmoteEntity>(owner()))
entity->playEmote(emote);
});
callbacks.registerCallback("setCameraFocusEntity", [this](Maybe<EntityId> const& cameraFocusEntity) {
owner()->setCameraFocusEntity(cameraFocusEntity);
});
return callbacks;
}
LuaCallbacks ActiveItem::makeScriptedAnimationCallbacks() {
LuaCallbacks callbacks;
callbacks.registerCallback("ownerPosition", [this]() {
return owner()->position();
});
callbacks.registerCallback("ownerAimPosition", [this]() {
return owner()->aimPosition();
});
callbacks.registerCallback("ownerArmAngle", [this]() {
return m_armAngle.get();
});
callbacks.registerCallback("ownerFacingDirection", [this]() {
return numericalDirection(owner()->facingDirection());
});
callbacks.registerCallback("handPosition", [this](Maybe<Vec2F> offset) {
return handPosition(offset.value());
});
return callbacks;
}
}
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