/
Bot.cc
1238 lines (1010 loc) · 34.6 KB
/
Bot.cc
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/*
* OpenZone - simple cross-platform FPS/RTS game engine.
*
* Copyright © 2002-2013 Davorin Učakar
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/**
* @file matrix/Bot.cc
*/
#include <stable.hh>
#include <matrix/Bot.hh>
#include <common/Timer.hh>
#include <matrix/Liber.hh>
#include <matrix/Lua.hh>
#include <matrix/NamePool.hh>
#include <matrix/Physics.hh>
#include <matrix/Synapse.hh>
namespace oz
{
namespace matrix
{
const float Bot::AIR_FRICTION = 0.01f;
const float Bot::LADDER_SLIP_MOMENTUM = 16.0f;
const float Bot::WOUNDED_THRESHOLD = 0.70f;
const float Bot::CORPSE_FADE_FACTOR = 0.50f / 100.0f;
const float Bot::INSTRUMENT_DIST = 2.00f;
const float Bot::INSTRUMENT_DOT_MIN = 0.80f;
const float Bot::GRAB_EPSILON = 0.20f;
const float Bot::GRAB_STRING_RATIO = 10.0f;
const float Bot::GRAB_HANDLE_TOL = 1.60f;
const float Bot::GRAB_MOM_RATIO = 0.30f;
const float Bot::GRAB_MOM_MAX = 1.00f; // must be < abs( Physics::HIT_THRESHOLD )
const float Bot::GRAB_MOM_MAX_SQ = 1.00f;
const float Bot::STEP_MOVE_AHEAD = 0.20f;
const float Bot::CLIMB_MOVE_AHEAD = 0.40f;
Pool<Bot, 1024> Bot::pool;
bool Bot::hasAttribute( int attribute ) const
{
if( clazz->attributes & attribute ) {
return true;
}
if( parent >= 0 ) {
const Object* vehicle = orbis.objects[parent];
if( vehicle != nullptr && ( vehicle->clazz->attributes & attribute ) ) {
return true;
}
}
for( int i = 0; i < items.length(); ++i ) {
const Object* item = orbis.objects[ items[i] ];
if( item != nullptr && ( item->clazz->attributes & attribute ) ) {
return true;
}
}
return false;
}
bool Bot::canReach( const Entity* ent ) const
{
const BotClass* clazz = static_cast<const BotClass*>( this->clazz );
Point eye = Point( p.x, p.y, p.z + camZ );
Vec3 reach = Vec3( clazz->reachDist, clazz->reachDist, clazz->reachDist );
return collider.overlapsEntity( AABB( eye, reach ), ent );
}
bool Bot::canReach( const Object* obj ) const
{
const BotClass* clazz = static_cast<const BotClass*>( this->clazz );
Point eye = Point( p.x, p.y, p.z + camZ );
Vec3 reach = Vec3( clazz->reachDist, clazz->reachDist, clazz->reachDist );
return AABB( eye, reach ).overlaps( *obj );
}
bool Bot::canEquip( const Weapon* weaponObj ) const
{
hard_assert( weaponObj->flags & WEAPON_BIT );
const WeaponClass* weaponClazz = static_cast<const WeaponClass*>( weaponObj->clazz );
return clazz->name.beginsWith( weaponClazz->userBase );
}
bool Bot::trigger( const Entity* entity )
{
hard_assert( entity != nullptr );
if( entity->key >= 0 && entity->clazz->target >= 0 && canReach( entity ) ) {
actions &= ~INSTRUMENT_ACTIONS;
actions |= ACTION_TRIGGER;
instrument = entity->str->index * Struct::MAX_ENTITIES +
int( entity - entity->str->entities.begin() );
container = -1;
return true;
}
return false;
}
bool Bot::lock( const Entity* entity )
{
hard_assert( entity != nullptr );
if( entity->key != 0 && canReach( entity ) ) {
actions &= ~INSTRUMENT_ACTIONS;
actions |= ACTION_LOCK;
instrument = entity->str->index * Struct::MAX_ENTITIES +
int( entity - entity->str->entities.begin() );
container = -1;
return true;
}
return false;
}
bool Bot::use( const Object* object )
{
hard_assert( object != nullptr );
if( ( object->flags & USE_FUNC_BIT ) && canReach( object ) ) {
if( ( object->flags & WEAPON_BIT ) && !canEquip( static_cast<const Weapon*>( object ) ) ) {
return false;
}
actions &= ~INSTRUMENT_ACTIONS;
actions |= ACTION_USE;
instrument = object->index;
container = -1;
return true;
}
return false;
}
bool Bot::take( const Dynamic* item )
{
hard_assert( item != nullptr && ( item->flags & DYNAMIC_BIT ) );
if( ( item->flags & ITEM_BIT ) && canReach( item ) ) {
actions &= ~INSTRUMENT_ACTIONS;
actions |= ACTION_TAKE;
instrument = item->index;
container = -1;
return true;
}
return false;
}
bool Bot::grab( const Dynamic* dynamic )
{
hard_assert( dynamic == nullptr || ( dynamic->flags & DYNAMIC_BIT ) );
if( dynamic == nullptr || canReach( dynamic ) ) {
actions &= ~INSTRUMENT_ACTIONS;
actions |= ACTION_GRAB;
instrument = dynamic == nullptr ? -1 : dynamic->index;
container = -1;
return true;
}
return false;
}
bool Bot::rotateCargo()
{
if( cargo >= 0 ) {
actions &= ~INSTRUMENT_ACTIONS;
actions |= ACTION_ROTATE;
instrument = -1;
container = -1;
return true;
}
return false;
}
bool Bot::throwCargo()
{
if( cargo >= 0 ) {
actions &= ~INSTRUMENT_ACTIONS;
actions |= ACTION_THROW;
instrument = -1;
container = -1;
return true;
}
return false;
}
bool Bot::invUse( const Dynamic* item, const Object* source )
{
hard_assert( item != nullptr && source != nullptr );
if( ( item->flags & USE_FUNC_BIT ) && source->items.contains( item->index ) &&
canReach( source ) )
{
if( ( item->flags & WEAPON_BIT ) && !canEquip( static_cast<const Weapon*>( item ) ) ) {
return false;
}
actions &= ~INSTRUMENT_ACTIONS;
actions |= ACTION_INV_USE;
instrument = item->index;
container = source->index;
return true;
}
return false;
}
bool Bot::invTake( const Dynamic* item, const Object* source )
{
hard_assert( item != nullptr && source != nullptr );
if( source->items.contains( item->index ) && canReach( source ) ) {
actions &= ~INSTRUMENT_ACTIONS;
actions |= ACTION_INV_TAKE;
instrument = item->index;
container = source->index;
return true;
}
return false;
}
bool Bot::invGive( const Dynamic* item, const Object* target )
{
hard_assert( item != nullptr && target != nullptr );
if( items.contains( item->index ) && canReach( target ) ) {
actions &= ~INSTRUMENT_ACTIONS;
actions |= ACTION_INV_GIVE;
instrument = item->index;
container = target->index;
return true;
}
return false;
}
bool Bot::invDrop( const Dynamic* item )
{
hard_assert( item != nullptr );
if( items.contains( item->index ) ) {
actions &= ~INSTRUMENT_ACTIONS;
actions |= ACTION_INV_DROP;
instrument = item->index;
container = -1;
return true;
}
return false;
}
bool Bot::invGrab( const Dynamic* item )
{
hard_assert( item != nullptr );
if( items.contains( item->index ) ) {
actions &= ~INSTRUMENT_ACTIONS;
actions |= ACTION_INV_GRAB;
instrument = item->index;
container = -1;
return true;
}
return false;
}
void Bot::grabCargo( Dynamic* dyn )
{
hard_assert( cargo == -1 && dyn != nullptr );
flags &= ~DISABLED_BIT;
cargo = dyn->index;
lift = ( mass * lift + dyn->mass * dyn->lift ) / ( mass + dyn->mass );
}
void Bot::releaseCargo()
{
if( cargo >= 0 ) {
const DynamicClass* clazz = static_cast<const DynamicClass*>( this->clazz );
flags &= ~DISABLED_BIT;
cargo = -1;
lift = clazz->lift;
}
}
void Bot::heal()
{
const BotClass* clazz = static_cast<const BotClass*>( this->clazz );
life = clazz->life;
stamina = clazz->stamina;
}
void Bot::rearm()
{
for( int i = 0; i < items.length(); ++i ) {
if( items[i] >= 0 ) {
Weapon* weaponObj = static_cast<Weapon*>( orbis.objects[ items[i] ] );
if( weaponObj != nullptr && ( weaponObj->flags & Object::WEAPON_BIT ) ) {
const WeaponClass* weaponClazz = static_cast<const WeaponClass*>( weaponObj->clazz );
weaponObj->nRounds = weaponClazz->nRounds;
}
}
}
}
void Bot::kill()
{
const BotClass* clazz = static_cast<const BotClass*>( this->clazz );
p.z -= dim.z - clazz->corpseDim.z - EPSILON;
dim.z = clazz->corpseDim.z;
flags |= WIDE_CULL_BIT;
flags &= ~SOLID_BIT;
life = clazz->life / 2.0f - EPSILON;
resistance = Math::INF;
actions = 0;
instrument = -1;
container = -1;
state |= DEAD_BIT;
if( clazz->nItems != 0 ) {
flags |= BROWSABLE_BIT;
}
releaseCargo();
addEvent( EVENT_DEATH, 1.0f );
}
void Bot::enter( int vehicle_ )
{
hard_assert( cell != nullptr && vehicle_ >= 0 );
const BotClass* clazz = static_cast<const BotClass*>( this->clazz );
parent = vehicle_;
dim = clazz->dim;
actions = 0;
instrument = -1;
container = vehicle_;
camZ = clazz->camZ;
state &= ~CROUCHING_BIT;
step = 0.0f;
releaseCargo();
synapse.cut( this );
}
void Bot::exit()
{
hard_assert( cell == nullptr && parent >= 0 );
hard_assert( cargo == -1 );
parent = -1;
actions = 0;
instrument = -1;
container = -1;
synapse.put( this );
}
void Bot::onDestroy()
{
// only play death sound when an alive bot is destroyed but not when a body is destroyed
if( !( state & DEAD_BIT ) ) {
addEvent( EVENT_DEATH, 1.0f );
}
Dynamic::onDestroy();
}
void Bot::onUpdate()
{
const BotClass* clazz = static_cast<const BotClass*>( this->clazz );
Dynamic* cargoObj = nullptr;
Weapon* weaponObj = nullptr;
if( cargo >= 0 ) {
cargoObj = static_cast<Dynamic*>( orbis.objects[cargo] );
if( cargoObj == nullptr ) {
releaseCargo();
}
}
if( weapon >= 0 ) {
weaponObj = static_cast<Weapon*>( orbis.objects[weapon] );
if( weaponObj == nullptr ) {
weapon = -1;
}
}
// Sanity checks.
hard_assert( cargoObj != static_cast<const Dynamic*>( this ) );
hard_assert( weaponObj != static_cast<const Dynamic*>( this ) );
if( life < clazz->life / 2.0f ) {
if( life > 0.0f ) {
if( !( state & DEAD_BIT ) ) {
kill();
}
else {
if( dim != clazz->corpseDim && !collider.overlaps( AABB( p, clazz->corpseDim ), this ) ) {
dim = clazz->corpseDim;
}
life -= clazz->life * CORPSE_FADE_FACTOR * Timer::TICK_TIME;
// we don't want Object::destroy() to be called when body dissolves (destroy() causes
// sounds and frags to fly around), that's why we just remove the object
if( life <= 0.0f ) {
flags |= DESTROYED_BIT;
}
}
}
return;
}
if( actions & ~oldActions & ACTION_SUICIDE ) {
kill();
return;
}
hard_assert( 0.0f <= h && h < Math::TAU );
hard_assert( 0.0f <= v && v <= Math::TAU / 2.0f );
life = min( life + clazz->regeneration, clazz->life );
stamina = min( stamina + clazz->staminaGain, clazz->stamina );
meleeTime = max( meleeTime - Timer::TICK_TIME, 0.0f );
if( parent >= 0 ) {
Object* vehicle = orbis.objects[parent];
if( vehicle == nullptr ) {
exit();
}
}
else {
/*
* STATE
*/
state &= ~( GROUNDED_BIT | LADDER_BIT | LEDGE_BIT | SWIMMING_BIT | SUBMERGED_BIT |
ATTACKING_BIT );
if( cargo >= 0 || velocity.sqN() > LADDER_SLIP_MOMENTUM ) {
flags &= ~ON_LADDER_BIT;
}
state |= lower >= 0 || ( flags & ON_FLOOR_BIT ) ? GROUNDED_BIT : 0;
state |= ( flags & ON_LADDER_BIT ) ? LADDER_BIT : 0;
state |= depth > dim.z ? SWIMMING_BIT : 0;
state |= depth > dim.z + camZ ? SUBMERGED_BIT : 0;
if( state & SUBMERGED_BIT ) {
stamina -= clazz->staminaWaterDrain;
if( stamina < 0.0f ) {
float oldLife = life;
life += stamina;
stamina = 0.0f;
if( int( life ) / 8 != int( oldLife ) / 8 ) {
addEvent( EVENT_DAMAGE, 1.0f );
}
}
}
stairRate *= clazz->stairRateSupp;
/*
* JUMP, CROUCH
*/
// We want the player to press the key for jump each time, so logical consequence would be to
// jump when jump key becomes pressed. But then a jump may be missed if we are in air for just
// a brief period of time, e.g. when swimming or running down the hill (at those occasions the
// bot is not in water/on floor all the time, but may fly for a few frames in the mean time).
// So, if we press the jump key, we schedule for a jump, and when jump conditions are met,
// the jump will be commited if we still hold down the jump key.
if( actions & ACTION_JUMP ) {
if( !( oldActions & ACTION_JUMP ) ) {
state |= JUMP_SCHED_BIT;
}
if( ( state & JUMP_SCHED_BIT ) && ( state & ( GROUNDED_BIT | SWIMMING_BIT ) ) &&
cargo < 0 && stamina >= clazz->staminaJumpDrain )
{
flags &= ~( DISABLED_BIT | ON_FLOOR_BIT );
lower = -1;
state &= ~( JUMP_SCHED_BIT | GROUNDED_BIT );
momentum.z = clazz->jumpMomentum;
stamina -= clazz->staminaJumpDrain;
addEvent( EVENT_JUMP, 1.0f );
}
}
else {
state &= ~JUMP_SCHED_BIT;
}
if( actions & ~oldActions & ACTION_CROUCH ) {
if( state & CROUCHING_BIT ) {
float oldZ = p.z;
p.z = oldZ + clazz->dim.z - clazz->crouchDim.z;
dim = clazz->dim;
if( !collider.overlaps( this, this ) ) {
camZ = clazz->camZ;
state &= ~CROUCHING_BIT;
}
else {
p.z = oldZ - clazz->dim.z + clazz->crouchDim.z;
if( !collider.overlaps( this, this ) ) {
camZ = clazz->camZ;
state &= ~CROUCHING_BIT;
}
else {
dim = clazz->crouchDim;
p.z = oldZ;
}
}
}
else {
flags &= ~DISABLED_BIT;
flags |= ENABLE_BIT;
p.z += dim.z - clazz->crouchDim.z;
dim.z = clazz->crouchDim.z;
camZ = clazz->crouchCamZ;
state |= CROUCHING_BIT;
}
}
if( actions & ~oldActions & ACTION_WALK ) {
state ^= WALKING_BIT;
}
if( stamina < clazz->staminaRunDrain || life < WOUNDED_THRESHOLD * clazz->life ) {
state |= WALKING_BIT;
}
/*
* MOVE
*/
// { hsine, hcosine, vsine, vcosine, vsine * hsine, vsine * hcosine }
float hvsc[6];
Math::sincos( h, &hvsc[0], &hvsc[1] );
Math::sincos( v, &hvsc[2], &hvsc[3] );
hvsc[4] = hvsc[2] * hvsc[0];
hvsc[5] = hvsc[2] * hvsc[1];
if( !( state & ( GROUNDED_BIT | SWIMMING_BIT ) ) ) {
momentum.x *= 1.0f - AIR_FRICTION;
momentum.y *= 1.0f - AIR_FRICTION;
}
Vec3 move = Vec3::ZERO;
state &= ~MOVING_BIT;
if( actions & ACTION_FORWARD ) {
if( state & ( LADDER_BIT | SWIMMING_BIT ) ) {
move.x -= hvsc[4];
move.y += hvsc[5];
move.z -= hvsc[3];
}
else {
move.x -= hvsc[0];
move.y += hvsc[1];
}
}
if( actions & ACTION_BACKWARD ) {
if( state & ( LADDER_BIT | SWIMMING_BIT ) ) {
move.x += hvsc[4];
move.y -= hvsc[5];
move.z += hvsc[3];
}
else {
move.x += hvsc[0];
move.y -= hvsc[1];
}
}
if( actions & ACTION_RIGHT ) {
move.x += hvsc[1];
move.y += hvsc[0];
}
if( actions & ACTION_LEFT ) {
move.x -= hvsc[1];
move.y -= hvsc[0];
}
if( state & LADDER_BIT ) {
move.z *= 2.0f;
}
if( move == Vec3::ZERO ) {
step = 0.0f;
}
else {
flags &= ~DISABLED_BIT;
state |= MOVING_BIT;
move = ~move;
/*
* Ledge climbing
*
* First, check if bot's going to hit an obstacle soon. If it does, check whether it would
* have moved further if we raised it (over the obstacle). We check different heights
* (those are specified in configuration file: climbInc and climbMax). To prevent climbing
* on high slopes, we must check that we step over an edge. In other words:
*
* . Start and end position must be on different sides
* end . end of a failed attempt of the obstacle side plane we collided to.
* \ . /
* o . x
* ---------- collision point
* \ |
* \ | start
* \ | /
* \x<------o
* \----------
*
* If this succeeds, check also that the "ledge" actually exists. We move the bot down and if
* it hits a relatively horizontal surface (Physics::FLOOR_NORMAL_Z), proceed with climbing.
*/
if( ( actions & ( ACTION_FORWARD | ACTION_JUMP ) ) == ( ACTION_FORWARD | ACTION_JUMP ) &&
!( state & LADDER_BIT ) && stamina > clazz->staminaClimbDrain )
{
// check if bot's gonna hit a wall soon
Vec3 desiredMove = CLIMB_MOVE_AHEAD * Vec3( move.x, move.y, 0.0f );
collider.translate( this, desiredMove );
if( collider.hit.ratio != 1.0f && collider.hit.normal.z < Physics::FLOOR_NORMAL_Z ) {
// check how far upwards we can raise
Vec3 normal = collider.hit.normal;
float startDist = 4.0f * EPSILON - ( desiredMove * collider.hit.ratio ) * normal;
float originalZ = p.z;
collider.translate( this, Vec3( 0.0f, 0.0f, clazz->climbMax ) );
float maxRaise = collider.hit.ratio * clazz->climbMax;
// For each height check if we can move forwards for desiredMove.
for( float raise = clazz->stairMax; raise <= maxRaise; raise += clazz->climbInc ) {
p.z += clazz->climbInc;
collider.translate( this, desiredMove );
Vec3 possibleMove = desiredMove * collider.hit.ratio;
Vec3 testMove = possibleMove + Vec3( 0.0f, 0.0f, raise );
float endDist = startDist + testMove * normal;
if( endDist < 0.0f ) {
// Check if ledge has normal.z >= FLOOR_NORMAL_Z.
Point raisedPos = p;
p += possibleMove;
collider.translate( this, Vec3( 0.0f, 0.0f, -raise ) );
p = raisedPos;
if( collider.hit.ratio != 1.0f && collider.hit.normal.z >= Physics::FLOOR_NORMAL_Z ) {
momentum.x *= 1.0f - Physics::LADDER_FRICTION;
momentum.y *= 1.0f - Physics::LADDER_FRICTION;
momentum.z = max( momentum.z, clazz->climbMomentum );
state |= LEDGE_BIT;
state &= ~JUMP_SCHED_BIT;
stamina -= clazz->staminaClimbDrain;
releaseCargo();
break;
}
}
}
p.z = originalZ;
}
}
/*
* STEPPING OVER OBSTACLES (STAIRS)
*
* First, check if bot's going to hit an obstacle in the next frame. If it does, check whether
* it would have moved further if we raised it a bit (over the obstacle). We check different
* heights (those are specified in configuration file: stepInc and stepMax). To prevent that
* stepping would result in "climbing" high slopes, we must check that we step over an edge.
* In other words:
*
* . Start and end position must be on different sides
* end . end of a failed attempt of the obstacle side plane we collided to.
* \ . /
* o . x
* ---------- collision point
* \ |
* \ | start
* \ | /
* \x<------o
* \----------
*/
if( !( state & ( LADDER_BIT | LEDGE_BIT ) ) && stairRate <= clazz->stairRateLimit ) {
// check if bot's gonna hit a stair in the next frame
Vec3 desiredMove = STEP_MOVE_AHEAD * move;
collider.translate( this, desiredMove );
if( collider.hit.ratio != 1.0f && collider.hit.normal.z < Physics::FLOOR_NORMAL_Z ) {
Vec3 normal = collider.hit.normal;
float startDist = 2.0f * EPSILON - ( desiredMove * collider.hit.ratio ) * normal;
float originalZ = p.z;
collider.translate( this, Vec3( 0.0f, 0.0f, clazz->stairMax + 2.0f * EPSILON ) );
float maxRaise = collider.hit.ratio * clazz->stairMax;
for( float raise = clazz->stairInc; raise <= maxRaise; raise += clazz->stairInc ) {
p.z += clazz->stairInc;
collider.translate( this, desiredMove );
Vec3 testMove = desiredMove * collider.hit.ratio + Vec3( 0.0f, 0.0f, raise );
float endDist = startDist + testMove * normal;
if( endDist < 0.0f ) {
momentum.z = max( momentum.z, 0.0f );
stairRate += raise*raise;
goto stepSucceeded;
}
}
p.z = originalZ;
}
}
stepSucceeded:
Vec3 desiredMomentum = move;
if( ( state & ( CROUCHING_BIT | WALKING_BIT ) ) || cargo >= 0 ) {
step += clazz->stepWalkInc;
desiredMomentum *= clazz->walkMomentum;
}
else {
stamina -= clazz->staminaRunDrain;
step += clazz->stepRunInc;
desiredMomentum *= clazz->runMomentum;
}
if( flags & ON_SLICK_BIT ) {
desiredMomentum *= clazz->slickControl;
}
else if( state & LADDER_BIT ) {
desiredMomentum *= clazz->ladderControl;
}
else if( state & LEDGE_BIT ) {
desiredMomentum *= clazz->airControl;
}
else if( state & SWIMMING_BIT ) {
// not on static ground
if( !( flags & ON_FLOOR_BIT ) &&
!( lower >= 0 && ( orbis.objects[lower]->flags & Object::DISABLED_BIT ) ) )
{
desiredMomentum *= clazz->waterControl;
}
}
else if( !( state & GROUNDED_BIT ) ) {
desiredMomentum *= clazz->airControl;
}
if( ( flags & ( ON_FLOOR_BIT | IN_LIQUID_BIT ) ) == ON_FLOOR_BIT && floor.z != 1.0f ) {
float dot = desiredMomentum * floor;
if( dot > 0.0f ) {
desiredMomentum -= dot * floor;
}
}
momentum += desiredMomentum;
step = Math::fmod( step, 1.0f );
}
/*
* ATTACK & GESTURES
*/
if( !( state & MOVING_BIT ) && cargo < 0 &&
( !( actions & ACTION_JUMP ) || ( state & ( Bot::GROUNDED_BIT | Bot::LADDER_BIT ) ) ) )
{
if( actions & ACTION_ATTACK ) {
if( weaponObj != nullptr ) {
state |= ATTACKING_BIT;
weaponObj->trigger( this );
}
else if( !clazz->onMelee.isEmpty() && meleeTime == 0.0f ) {
state |= ATTACKING_BIT;
meleeTime = clazz->meleeInterval;
addEvent( EVENT_MELEE, 1.0f );
lua.objectCall( clazz->onMelee, this, this );
}
}
else if( !( state & CROUCHING_BIT ) ) {
if( actions & ACTION_GESTURE_MASK ) {
if( actions & ACTION_POINT ) {
if( !( state & GESTURE_POINT_BIT ) ) {
state &= ~GESTURE_MASK;
state |= GESTURE_POINT_BIT;
}
}
else if( actions & ACTION_BACK ) {
if( !( state & GESTURE_BACK_BIT ) ) {
state &= ~GESTURE_MASK;
state |= GESTURE_BACK_BIT;
}
}
else if( actions & ACTION_SALUTE ) {
if( !( state & GESTURE_SALUTE_BIT ) ) {
state &= ~GESTURE_MASK;
state |= GESTURE_SALUTE_BIT;
}
}
else if( actions & ACTION_WAVE ) {
if( !( state & GESTURE_WAVE_BIT ) ) {
state &= ~GESTURE_MASK;
state |= GESTURE_WAVE_BIT;
}
}
else {
if( !( state & GESTURE_FLIP_BIT ) ) {
state &= ~GESTURE_MASK;
state |= GESTURE_FLIP_BIT;
addEvent( EVENT_FLIP, 1.0f );
}
}
}
else {
state &= ~GESTURE_MASK;
}
}
}
/*
* GRAB MOVEMENT
*/
if( cargo >= 0 ) {
const Bot* cargoBot = static_cast<const Bot*>( cargoObj );
if( cargoObj == nullptr || cargoObj->cell == nullptr || ( cargoObj->flags & BELOW_BIT ) ||
( actions & ACTION_JUMP ) || ( ( cargoBot->flags & BOT_BIT ) &&
( ( cargoBot->actions & ACTION_JUMP ) || ( cargoBot->cargo >= 0 ) ) ) )
{
releaseCargo();
cargoObj = nullptr;
}
else {
// keep constant length of xy projection of handle
Vec3 handle = Vec3( -hvsc[0], hvsc[1], -hvsc[3] ) * grabHandle;
// bottom of the object cannot be raised over the player AABB, neither can be lowered
// under the player (in the latter case one can lift himself with the lower object)
handle.z = min( handle.z, dim.z - camZ );
Vec3 string = p + Vec3( 0.0f, 0.0f, camZ ) + handle - cargoObj->p;
if( string.sqN() > GRAB_HANDLE_TOL * grabHandle*grabHandle ) {
releaseCargo();
cargoObj = nullptr;
}
else {
Vec3 desiredMom = string * GRAB_STRING_RATIO;
Vec3 momDiff = ( desiredMom - cargoObj->momentum ) * GRAB_MOM_RATIO;
float momDiffSqN = momDiff.sqN();
momDiff.z += physics.gravity * Timer::TICK_TIME;
if( momDiffSqN > GRAB_MOM_MAX_SQ ) {
momDiff *= GRAB_MOM_MAX / Math::sqrt( momDiffSqN );
}
momDiff.z -= physics.gravity * Timer::TICK_TIME;
cargoObj->flags &= ~DISABLED_BIT;
cargoObj->momentum += momDiff;
}
}
}
} // parent == -1
/*
* ACTIONS ON INSTRUMENT
*/
if( actions & ~oldActions & INSTRUMENT_ACTIONS ) {
if( actions & ~oldActions & ACTION_INV_USE ) {
Dynamic* item = static_cast<Dynamic*>( orbis.objects[instrument] );
Object* source = orbis.objects[container];
if( item != nullptr && source != nullptr &&
source->items.contains( instrument ) && canReach( source ) )
{
hard_assert( ( item->flags & DYNAMIC_BIT ) && ( item->flags & ITEM_BIT ) );
synapse.use( this, item );
}
}
else if( actions & ~oldActions & ACTION_INV_TAKE ) {
Dynamic* item = static_cast<Dynamic*>( orbis.objects[instrument] );
Object* source = orbis.objects[container];
if( item != nullptr && source != nullptr && items.length() != clazz->nItems &&
source->items.contains( instrument ) && canReach( source ) )
{
hard_assert( ( item->flags & DYNAMIC_BIT ) && ( item->flags & ITEM_BIT ) );
item->parent = index;
items.add( instrument );
source->items.exclude( instrument );
if( source->flags & BOT_BIT ) {
Bot* bot = static_cast<Bot*>( source );
if( bot->weapon == item->index ) {
bot->weapon = -1;
}
}
}
}
else if( actions & ~oldActions & ACTION_INV_GIVE ) {
Dynamic* item = static_cast<Dynamic*>( orbis.objects[instrument] );
Object* target = orbis.objects[container];
if( item != nullptr && target != nullptr && target->items.length() != target->clazz->nItems &&
items.contains( instrument ) && canReach( target ) )
{
hard_assert( ( item->flags & DYNAMIC_BIT ) && ( item->flags & ITEM_BIT ) );
item->parent = container;
target->items.add( instrument );
items.exclude( instrument );
if( instrument == weapon ) {
weapon = -1;
}
}
}
else if( parent < 0 ) { // not applicable in vehicles
if( actions & ~oldActions & ( ACTION_TRIGGER | ACTION_LOCK ) ) {
int strIndex = instrument / Struct::MAX_ENTITIES;
int entIndex = instrument % Struct::MAX_ENTITIES;
Struct* str = orbis.structs[strIndex];
if( str != nullptr ) {
Entity* ent = &str->entities[entIndex];
if( canReach( ent ) ) {