571 lines
14 KiB
C++
571 lines
14 KiB
C++
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/*
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** Command & Conquer Renegade(tm)
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** Copyright 2025 Electronic Arts Inc.
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**
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** This program is free software: you can redistribute it and/or modify
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** it under the terms of the GNU General Public License as published by
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** the Free Software Foundation, either version 3 of the License, or
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** (at your option) any later version.
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**
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** This program is distributed in the hope that it will be useful,
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** but WITHOUT ANY WARRANTY; without even the implied warranty of
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** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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** GNU General Public License for more details.
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**
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** You should have received a copy of the GNU General Public License
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** along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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/***********************************************************************************************
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*** Confidential - Westwood Studios ***
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***********************************************************************************************
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* *
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* Project Name : Commando *
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* *
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* $Archive:: /Commando/Code/Commando/priority.cpp $*
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* *
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* $Author:: Steve_t $*
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* *
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* $Modtime:: 2/23/02 12:35p $*
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* *
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* $Revision:: 15 $*
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* *
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*---------------------------------------------------------------------------------------------*
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* Functions: *
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* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
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#include "priority.h"
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#include <math.h>
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#include "wwdebug.h"
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#include "wwmath.h"
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#include "vector3.h"
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#include "gameobjmanager.h"
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#include "soldier.h"
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#include "humanphys.h"
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#include "apppackettypes.h"
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#include "vehicle.h"
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#include "useroptions.h"
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#include "playermanager.h"
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#include "wwprofile.h"
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//
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// Class statics
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//
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float cPriority::MaxDistance = 300.0F;
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const float cPriority::TURRET_FACTOR = 0.2f;
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const float cPriority::VEHICLE_FACTOR = 0.85f;
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const float cPriority::SOLDIER_FACTOR = 1.0f;
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const float cPriority::SOLDIER_IN_VEHICLE_FACTOR = 0.1f;
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const float cPriority::BUILDING_FACTOR = 0.2f;
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//-----------------------------------------------------------------------------
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//
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// Compute the priority of the given netobject to the given client
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//
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float
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cPriority::Compute_Object_Priority
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(
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int client_id,
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const Vector3 & client_pos,
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NetworkObjectClass * p_netobject,
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bool do_it_anyway,
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SoldierGameObj * client_soldier
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)
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{
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WWPROFILE("ObjPri");
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WWASSERT(client_id > 0);
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WWASSERT(p_netobject != NULL);
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//
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// Compute the priority of this object to the given client at his given position.
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// Priority depends on physical distance. Objects with no physical location will
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// have a priority of 1.
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//
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float priority = 0.0f;
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if (p_netobject->Is_Client_Dirty(client_id) || do_it_anyway)
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{
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float distance = Get_Object_Distance(client_pos, p_netobject);
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//
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// Priority simply decreases linearly with distance and is zero at MaxDistance.
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//
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priority = 1 - distance / MaxDistance;
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if (priority > 0.0f) {
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priority *= Compute_Facing_Factor(client_id, client_pos, p_netobject, client_soldier);
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}
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if (priority > 0.0f) {
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priority *= Compute_Type_Factor(p_netobject);
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}
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if (priority > 0.0f) {
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priority *= Compute_Relevance_Factor(client_id, p_netobject, client_soldier);
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}
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// Add a bit of a curve to have low priority objects drop away faster.
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if (priority > 0.0f && priority < 1.0f) {
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//float bendy = WWMath::Fast_Sin(priority * DEG_TO_RAD(90.0f));
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//priority = (priority + bendy) / 2.0f;
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float bendy = WWMath::Fast_Asin(priority);
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bendy = (RAD_TO_DEG(bendy)) / 90.0f;
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priority = (priority + bendy) / 2.0f;
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}
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}
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//
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// Override all priority calculations if the client hints that he badly needs an
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// update for this object. The client will hint if there is a vehicle or soldier nearby
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// that hasn't been updated for a suspiciously long time.
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//
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if (p_netobject->Get_Client_Hint_Count(client_id) > 0)
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{
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priority = 1.0f;
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p_netobject->Reset_Client_Hint_Count(client_id);
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/*
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WWDEBUG_SAY(("cPriority::Compute_Object_Priority %5.3f on object %d due to client %d hint.\n",
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priority, p_netobject->Get_Network_ID(), client_id));
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*/
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}
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priority = WWMath::Clamp(priority, 0.0f, 1.0f);
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return priority;
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}
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//-----------------------------------------------------------------------------
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float
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cPriority::Compute_Facing_Factor
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(
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int client_id,
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const Vector3 & client_pos,
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NetworkObjectClass * p_netobject,
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SoldierGameObj *client_soldier
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)
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{
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WWASSERT(client_id > 0);
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WWASSERT(p_netobject != NULL);
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float facing_factor = 1;
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SoldierGameObj * p_soldier = client_soldier;
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if (p_soldier == NULL) {
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p_soldier = GameObjManager::Find_Soldier_Of_Client_ID(client_id);
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}
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if (p_soldier != NULL)
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{
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WWASSERT(p_soldier->Peek_Human_Phys() != NULL);
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float client_facing = p_soldier->Peek_Human_Phys()->Get_Heading();
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Vector3 subject_position;
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if (p_netobject->Get_World_Position(subject_position))
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{
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Vector3 position_delta = subject_position - client_pos;
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float subject_facing = WWMath::Atan2(position_delta.Y, position_delta.X);
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float facing_dif = ::fabs(subject_facing - client_facing);
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if (facing_dif > WWMATH_PI)
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{
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facing_dif = 2 * WWMATH_PI - facing_dif;
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}
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facing_factor -= facing_dif / WWMATH_PI * cUserOptions::MaxFacingPenalty.Get();
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}
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}
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return facing_factor;
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}
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//-----------------------------------------------------------------------------
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float
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cPriority::Get_Object_Distance
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(
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const Vector3 & client_pos,
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NetworkObjectClass * p_netobject
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)
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{
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WWASSERT(p_netobject != NULL);
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//
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// Objects without a physical location will return a distance of zero.
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//
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float distance = 0;
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//
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// Get the object's world position (if it has one)
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//
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Vector3 position;
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if (p_netobject->Get_World_Position(position))
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{
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//
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// Simple distance calculation based on the distance
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// between points.
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//
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distance = (position - client_pos).Length();
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}
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return distance;
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}
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//-----------------------------------------------------------------------------
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float
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cPriority::Compute_Type_Factor
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(
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NetworkObjectClass *p_netobject
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)
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{
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float type_factor = 1.0f;
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char type = p_netobject->Get_App_Packet_Type();
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switch (type) {
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case APPPACKETTYPE_SOLDIER:
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type_factor = SOLDIER_FACTOR;
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break;
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case APPPACKETTYPE_TURRET:
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type_factor = TURRET_FACTOR;
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break;
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case APPPACKETTYPE_VEHICLE:
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type_factor = VEHICLE_FACTOR;
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break;
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case APPPACKETTYPE_BUILDING:
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type_factor = BUILDING_FACTOR;
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break;
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default:
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type_factor = 1.0f;
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}
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return(type_factor);
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}
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//-----------------------------------------------------------------------------
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float
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cPriority::Compute_Relevance_Factor
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(
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int client_id,
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NetworkObjectClass * p_netobject,
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SoldierGameObj *client_soldier
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)
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{
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WWASSERT(p_netobject != NULL);
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//
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// This bumps the priority of objects that you are shooting or that are
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// shooting at you.
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//
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bool is_relevant = false;
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int id = p_netobject->Get_Network_ID();
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SoldierGameObj * p_my_soldier = client_soldier;
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if (p_my_soldier == NULL) {
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p_my_soldier = GameObjManager::Find_Soldier_Of_Client_ID(client_id);
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}
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VehicleGameObj * p_my_vehicle = NULL;
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if (p_my_soldier != NULL) {
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p_my_vehicle = GameObjManager::Find_Vehicle_Occupied_By(p_my_soldier);
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}
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if (p_my_soldier != NULL &&
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(p_my_soldier->Get_Last_Object_Id_I_Damaged() == id ||
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p_my_soldier->Get_Last_Object_Id_I_Got_Damaged_By() == id)) {
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is_relevant = true;
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}
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if (p_my_vehicle != NULL &&
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(p_my_vehicle->Get_Last_Object_Id_I_Damaged() == id ||
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p_my_vehicle->Get_Last_Object_Id_I_Got_Damaged_By() == id)) {
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is_relevant = true;
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}
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float factor = 1.0f;
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if (!is_relevant) {
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factor -= cUserOptions::IrrelevancePenalty.Get();
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}
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WWASSERT(factor > 0);
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return factor;
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}
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float
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cPriority::Compute_Object_Priority_2
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(
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int client_id,
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const Vector3 & client_pos,
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NetworkObjectClass * p_netobject,
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bool do_it_anyway,
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SoldierGameObj * client_soldier
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)
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{
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WWPROFILE("ObjPri");
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WWASSERT(client_id > 0);
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WWASSERT(p_netobject != NULL);
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//
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// Compute the priority of this object to the given client at his given position.
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// Priority depends on physical distance. Objects with no physical location will
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// have a priority of 1.
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//
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float priority = 0.0f;
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if (p_netobject->Is_Client_Dirty(client_id) || do_it_anyway)
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{
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float distance = Get_Object_Distance_2(client_pos, p_netobject);
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//
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// Priority simply decreases linearly with distance and is zero at MaxDistance.
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//
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priority = 1 - distance / MaxDistance;
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if (priority > 0.0f) {
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priority *= Compute_Facing_Factor_2(client_id, client_pos, p_netobject, client_soldier);
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}
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if (priority > 0.0f) {
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priority *= Compute_Type_Factor_2(p_netobject, distance);
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}
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if (priority > 0.0f) {
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priority *= Compute_Relevance_Factor_2(client_id, p_netobject, client_soldier);
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}
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// Add a bit of a curve to have low priority objects drop away faster.
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if (priority > 0.0f && priority < 1.0f) {
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//float bendy = WWMath::Fast_Sin(priority * DEG_TO_RAD(90.0f));
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//priority = (priority + bendy) / 2.0f;
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float bendy = WWMath::Fast_Asin(priority);
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bendy = (RAD_TO_DEG(bendy)) / 90.0f;
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priority = (priority + bendy) / 2.0f;
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}
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}
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priority = WWMath::Clamp(priority, 0.0f, 1.0f);
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return priority;
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}
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//-----------------------------------------------------------------------------
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float
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cPriority::Compute_Facing_Factor_2
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(
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int client_id,
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const Vector3 & client_pos,
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NetworkObjectClass * p_netobject,
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SoldierGameObj *client_soldier
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)
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{
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WWASSERT(client_id > 0);
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WWASSERT(p_netobject != NULL);
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float facing_factor = 1;
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SoldierGameObj * p_soldier = client_soldier;
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if (p_soldier == NULL) {
|
||
|
|
p_soldier = GameObjManager::Find_Soldier_Of_Client_ID(client_id);
|
||
|
|
}
|
||
|
|
|
||
|
|
if (p_soldier != NULL)
|
||
|
|
{
|
||
|
|
HumanPhysClass *hphys = p_soldier->Peek_Human_Phys();
|
||
|
|
WWASSERT(hphys != NULL);
|
||
|
|
float client_facing = hphys->Get_Heading();
|
||
|
|
|
||
|
|
Vector3 subject_position;
|
||
|
|
if (p_netobject->Get_World_Position(subject_position))
|
||
|
|
{
|
||
|
|
Vector3 position_delta = subject_position - client_pos;
|
||
|
|
float subject_facing = WWMath::Atan2(position_delta.Y, position_delta.X);
|
||
|
|
|
||
|
|
float facing_dif = ::fabs(subject_facing - client_facing);
|
||
|
|
|
||
|
|
if (facing_dif > WWMATH_PI)
|
||
|
|
{
|
||
|
|
facing_dif = 2 * WWMATH_PI - facing_dif;
|
||
|
|
}
|
||
|
|
|
||
|
|
facing_factor -= facing_dif / WWMATH_PI * cUserOptions::MaxFacingPenalty.Get();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return facing_factor;
|
||
|
|
}
|
||
|
|
|
||
|
|
//-----------------------------------------------------------------------------
|
||
|
|
float
|
||
|
|
cPriority::Get_Object_Distance_2
|
||
|
|
(
|
||
|
|
const Vector3 & client_pos,
|
||
|
|
NetworkObjectClass * p_netobject
|
||
|
|
)
|
||
|
|
{
|
||
|
|
WWASSERT(p_netobject != NULL);
|
||
|
|
|
||
|
|
//
|
||
|
|
// Objects without a physical location will return a distance of zero.
|
||
|
|
//
|
||
|
|
float distance = 0;
|
||
|
|
|
||
|
|
//
|
||
|
|
// Get the object's world position (if it has one)
|
||
|
|
//
|
||
|
|
Vector3 position;
|
||
|
|
if (p_netobject->Get_World_Position(position))
|
||
|
|
{
|
||
|
|
//
|
||
|
|
// Simple distance calculation based on the distance
|
||
|
|
// between points.
|
||
|
|
//
|
||
|
|
distance = (position - client_pos).Length();
|
||
|
|
}
|
||
|
|
|
||
|
|
return distance;
|
||
|
|
}
|
||
|
|
|
||
|
|
//-----------------------------------------------------------------------------
|
||
|
|
float
|
||
|
|
cPriority::Compute_Type_Factor_2
|
||
|
|
(
|
||
|
|
NetworkObjectClass *p_netobject,
|
||
|
|
float distance
|
||
|
|
)
|
||
|
|
{
|
||
|
|
float type_factor = 1.0f;
|
||
|
|
|
||
|
|
char type = p_netobject->Get_App_Packet_Type();
|
||
|
|
|
||
|
|
switch (type) {
|
||
|
|
case APPPACKETTYPE_SOLDIER:
|
||
|
|
{
|
||
|
|
type_factor = SOLDIER_FACTOR;
|
||
|
|
SoldierGameObj *soldier = (SoldierGameObj*) p_netobject;
|
||
|
|
if (soldier->Is_In_Vehicle()) {
|
||
|
|
type_factor = SOLDIER_IN_VEHICLE_FACTOR;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
|
||
|
|
case APPPACKETTYPE_TURRET:
|
||
|
|
{
|
||
|
|
type_factor = TURRET_FACTOR;
|
||
|
|
float range_filter = p_netobject->Get_Filter_Distance();
|
||
|
|
if (distance > range_filter) {
|
||
|
|
type_factor = 0.0f;
|
||
|
|
} else {
|
||
|
|
if (distance > 100) {
|
||
|
|
type_factor = type_factor / 2.0f;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
case APPPACKETTYPE_VEHICLE:
|
||
|
|
type_factor = VEHICLE_FACTOR;
|
||
|
|
break;
|
||
|
|
|
||
|
|
case APPPACKETTYPE_BUILDING:
|
||
|
|
type_factor = BUILDING_FACTOR;
|
||
|
|
break;
|
||
|
|
|
||
|
|
default:
|
||
|
|
type_factor = 1.0f;
|
||
|
|
}
|
||
|
|
|
||
|
|
return(type_factor);
|
||
|
|
}
|
||
|
|
|
||
|
|
//-----------------------------------------------------------------------------
|
||
|
|
float
|
||
|
|
cPriority::Compute_Relevance_Factor_2
|
||
|
|
(
|
||
|
|
int client_id,
|
||
|
|
NetworkObjectClass * p_netobject,
|
||
|
|
SoldierGameObj *client_soldier
|
||
|
|
)
|
||
|
|
{
|
||
|
|
WWASSERT(p_netobject != NULL);
|
||
|
|
|
||
|
|
//
|
||
|
|
// This bumps the priority of objects that you are shooting or that are
|
||
|
|
// shooting at you.
|
||
|
|
//
|
||
|
|
|
||
|
|
bool is_relevant = false;
|
||
|
|
|
||
|
|
int id = p_netobject->Get_Network_ID();
|
||
|
|
|
||
|
|
SoldierGameObj * p_my_soldier = client_soldier;
|
||
|
|
VehicleGameObj * p_my_vehicle = NULL;
|
||
|
|
|
||
|
|
if (p_my_soldier == NULL) {
|
||
|
|
p_my_soldier = GameObjManager::Find_Soldier_Of_Client_ID(client_id);
|
||
|
|
}
|
||
|
|
if (p_my_soldier != NULL) {
|
||
|
|
if (p_my_soldier->Is_In_Vehicle()) {
|
||
|
|
p_my_vehicle = GameObjManager::Find_Vehicle_Occupied_By(p_my_soldier);
|
||
|
|
}
|
||
|
|
|
||
|
|
if ((p_my_soldier->Get_Last_Object_Id_I_Damaged() == id ||
|
||
|
|
p_my_soldier->Get_Last_Object_Id_I_Got_Damaged_By() == id)) {
|
||
|
|
is_relevant = true;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if (p_my_vehicle != NULL &&
|
||
|
|
(p_my_vehicle->Get_Last_Object_Id_I_Damaged() == id ||
|
||
|
|
p_my_vehicle->Get_Last_Object_Id_I_Got_Damaged_By() == id)) {
|
||
|
|
|
||
|
|
is_relevant = true;
|
||
|
|
}
|
||
|
|
|
||
|
|
float factor = 1.0f;
|
||
|
|
if (!is_relevant) {
|
||
|
|
factor -= cUserOptions::IrrelevancePenalty.Get();
|
||
|
|
}
|
||
|
|
|
||
|
|
WWASSERT(factor > 0);
|
||
|
|
|
||
|
|
return factor;
|
||
|
|
}
|