mirror of
https://github.com/jmarshall23/DoomRTX.git
synced 2026-08-16 16:20:42 +02:00
Justin Marshall
76 lines
2.0 KiB
C++
76 lines
2.0 KiB
C++
#pragma hdrstop
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#include "precompiled.h"
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#include "NAV_local.h"
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#include "../Game_local.h"
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#include "NAVCallback_FindAttackPosition.h"
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/*
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============
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idNAVFindAttackPosition::idNAVFindAttackPosition
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============
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*/
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idNAVFindAttackPosition::idNAVFindAttackPosition(const idAI* self, const idMat3& gravityAxis, idEntity* target, const idVec3& targetPos, const idVec3& fireOffset) {
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int numPVSAreas;
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this->target = target;
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this->targetPos = targetPos;
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this->fireOffset = fireOffset;
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this->self = self;
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this->gravityAxis = gravityAxis;
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excludeBounds = idBounds(idVec3(-64.0, -64.0f, -8.0f), idVec3(64.0, 64.0f, 64.0f));
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excludeBounds.TranslateSelf(self->GetPhysics()->GetOrigin());
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// setup PVS
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idBounds bounds(targetPos - idVec3(16, 16, 0), targetPos + idVec3(16, 16, 64));
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numPVSAreas = gameLocal.pvs.GetPVSAreas(bounds, PVSAreas, idEntity::MAX_PVS_AREAS);
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targetPVS = gameLocal.pvs.SetupCurrentPVS(PVSAreas, numPVSAreas);
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}
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/*
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============
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idNAVFindAttackPosition::~idNAVFindAttackPosition
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============
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*/
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idNAVFindAttackPosition::~idNAVFindAttackPosition() {
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gameLocal.pvs.FreeCurrentPVS(targetPVS);
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}
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/*
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============
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idNAVFindAttackPosition::TestArea
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============
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*/
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bool idNAVFindAttackPosition::AreaIsGoal(const idNAV* aas, int areaNum) {
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idVec3 dir;
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idVec3 local_dir;
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idVec3 fromPos;
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idMat3 axis;
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idVec3 areaCenter;
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int numPVSAreas;
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int PVSAreas[idEntity::MAX_PVS_AREAS];
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areaCenter = aas->AreaCenter(areaNum);
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areaCenter[2] += 1.0f;
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if (excludeBounds.ContainsPoint(areaCenter)) {
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// too close to where we already are
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return false;
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}
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numPVSAreas = gameLocal.pvs.GetPVSAreas(idBounds(areaCenter).Expand(16.0f), PVSAreas, idEntity::MAX_PVS_AREAS);
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if (!gameLocal.pvs.InCurrentPVS(targetPVS, PVSAreas, numPVSAreas)) {
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return false;
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}
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// calculate the world transform of the launch position
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dir = targetPos - areaCenter;
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gravityAxis.ProjectVector(dir, local_dir);
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local_dir.z = 0.0f;
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local_dir.ToVec2().Normalize();
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axis = local_dir.ToMat3();
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fromPos = areaCenter + fireOffset * axis;
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return self->GetAimDir(fromPos, target, self, dir);
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} |