mirror of
https://github.com/Mauler125/r5sdk.git
synced 2025-02-09 19:15:03 +01:00
c1c01d2302
The min spec is SSSE3, using SSE4.1 instructions (_mm_extract_epi64) will break compatibility. The code containing the defect is debug only, and %90+ of the user base uses an SSE4.1 capable processor.
700 lines
29 KiB
C++
700 lines
29 KiB
C++
//=============================================================================//
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//
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// Purpose: Shared AI utility.
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//
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//=============================================================================//
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// ai_utility_shared.cpp: requires server.dll and client.dll!
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//
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/////////////////////////////////////////////////////////////////////////////////
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#include "core/stdafx.h"
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#include "tier1/cvar.h"
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#include "mathlib/color.h"
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#include "mathlib/vector.h"
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#include "mathlib/ssemath.h"
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#include "engine/debugoverlay.h"
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#include "game/shared/ai_utility_shared.h"
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#include "game/server/ai_utility.h"
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#include "game/server/ai_networkmanager.h"
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#include "game/server/ai_network.h"
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#include "game/client/viewrender.h"
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#include "thirdparty/recast/Detour/Include/DetourCommon.h"
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#include "thirdparty/recast/Detour/Include/DetourNavMesh.h"
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//------------------------------------------------------------------------------
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// Purpose:
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//------------------------------------------------------------------------------
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CAI_Utility::CAI_Utility(void)
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: m_BoxColor(0, 255, 0, 255)
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, m_LinkColor(255, 0, 0, 255)
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{
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}
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static const VectorAligned s_vMaxs = { 50.0f, 50.0f, 50.0f };
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static const VectorAligned s_vSubMask = { 25.0f, 25.0f, 25.0f };
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static const fltx4 s_xMins = LoadZeroSIMD();
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static const fltx4 s_xMaxs = LoadAlignedSIMD(s_vMaxs);
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static const fltx4 s_xSubMask = LoadAlignedSIMD(s_vSubMask);
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//------------------------------------------------------------------------------
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// Purpose: run the NavMesh renderer
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//------------------------------------------------------------------------------
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void CAI_Utility::RunRenderFrame(void)
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{
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const int iScriptNodeIndex = ai_script_nodes_draw->GetInt();
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const int iNavMeshBVTreeIndex = navmesh_draw_bvtree->GetInt();
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const int iNavMeshPortalIndex = navmesh_draw_portal->GetInt();
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const int iNavMeshPolyIndex = navmesh_draw_polys->GetInt();
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const int iNavMeshPolyBoundIndex = navmesh_draw_poly_bounds->GetInt();
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if (iScriptNodeIndex <= -1 &&
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iNavMeshBVTreeIndex <= -1 &&
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iNavMeshPortalIndex <= -1 &&
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iNavMeshPolyIndex <= -1 &&
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iNavMeshPolyBoundIndex <= -1)
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{
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// Nothing to render.
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return;
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}
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const Vector3D& vCamera = MainViewOrigin();
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const QAngle& aCamera = MainViewAngles();
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const Vector3D vNormal = vCamera - aCamera.GetNormal() * 256.0f;
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const VPlane vCullPlane(vNormal, aCamera);
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const float flCameraRange = navmesh_debug_camera_range->GetFloat();
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const int nTileRange = navmesh_debug_tile_range->GetInt();
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const bool bUseDepthBuffer = r_debug_draw_depth_test->GetBool();
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if (iScriptNodeIndex > -1)
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g_pAIUtility->DrawAIScriptNetwork(*g_pAINetwork, vCamera, iScriptNodeIndex, flCameraRange, bUseDepthBuffer);
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if (iNavMeshBVTreeIndex > -1)
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g_pAIUtility->DrawNavMeshBVTree(nullptr, vCamera, vCullPlane, iNavMeshBVTreeIndex, flCameraRange, nTileRange, bUseDepthBuffer);
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if (iNavMeshPortalIndex > -1)
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g_pAIUtility->DrawNavMeshPortals(nullptr, vCamera, vCullPlane, iNavMeshPortalIndex, flCameraRange, nTileRange, bUseDepthBuffer);
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if (iNavMeshPolyIndex > -1)
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g_pAIUtility->DrawNavMeshPolys(nullptr, vCamera, vCullPlane, iNavMeshPolyIndex, flCameraRange, nTileRange, bUseDepthBuffer);
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if (iNavMeshPolyBoundIndex > -1)
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g_pAIUtility->DrawNavMeshPolyBoundaries(nullptr, vCamera, vCullPlane, iNavMeshPolyBoundIndex, flCameraRange, nTileRange, bUseDepthBuffer);
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}
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//------------------------------------------------------------------------------
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// Purpose: draw AI script network
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// Input : *pNetwork -
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// &vCameraPos -
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// iNodeIndex -
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// flCameraRange -
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// bUseDepthBuffer -
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//------------------------------------------------------------------------------
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void CAI_Utility::DrawAIScriptNetwork(
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const CAI_Network* pNetwork,
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const Vector3D& vCameraPos,
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const int iNodeIndex,
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const float flCameraRange,
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const bool bUseDepthBuffer) const
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{
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if (!pNetwork)
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return; // AI Network not build or loaded.
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const bool bDrawNearest = ai_script_nodes_draw_nearest->GetBool();
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const int nNodeRange = ai_script_nodes_draw_range->GetInt();
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OverlayBox_t::Transforms vTransforms;
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std::unordered_set<int64_t> uLinkSet;
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for (int i = iNodeIndex, ns = pNetwork->NumScriptNodes(); i < ns; i++)
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{
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if (nNodeRange && i > nNodeRange)
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break;
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const CAI_ScriptNode* pScriptNode = &pNetwork->m_ScriptNode[i];
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const fltx4 xOrigin = SubSIMD(// Subtract 25.f from our scalars to align box with node.
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LoadUnaligned3SIMD(&pScriptNode->m_vOrigin), s_xSubMask);
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if (flCameraRange > 0.0f)
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{
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// Flip the script node Z axis with that of the camera, so that it won't be used for
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// the final distance computation. This allows for viewing the AI Network from above.
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const fltx4 xOriginCamZ = SetComponentSIMD(xOrigin, 2, vCameraPos.z);
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if (vCameraPos.DistTo(*reinterpret_cast<const Vector3D*>(&xOriginCamZ)) > flCameraRange)
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continue; // Do not render if node is not within range set by cvar 'navmesh_debug_camera_range'.
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}
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// Construct box matrix transforms.
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vTransforms.mat.Init(
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{ 1.0f, 0.0f, 0.0f },
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{ 0.0f, 1.0f, 0.0f },
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{ 0.0f, 0.0f, 1.0f },
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*reinterpret_cast<const Vector3D*>(&xOrigin));
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v_RenderBox(vTransforms.mat, *reinterpret_cast<const Vector3D*>(&s_xMins),
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*reinterpret_cast<const Vector3D*>(&s_xMaxs), m_BoxColor, bUseDepthBuffer);
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if (bDrawNearest) // Render links to the nearest node.
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{
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int nNearest = GetNearestNodeToPos(pNetwork, &pScriptNode->m_vOrigin);
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if (nNearest != NO_NODE) // NO_NODE = -1
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{
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shortx8 packedLinks = PackNodeLink(i, nNearest);
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packedLinks = _mm_srli_si128(packedLinks, 8); // Only the upper 64bits are used.
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auto p = uLinkSet.insert(reinterpret_cast<int64_t&>(packedLinks));
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if (p.second) // Only render if link hasn't already been rendered.
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{
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const CAI_ScriptNode* pNearestNode = &pNetwork->m_ScriptNode[nNearest];
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v_RenderLine(pScriptNode->m_vOrigin, pNearestNode->m_vOrigin, m_LinkColor, bUseDepthBuffer);
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}
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}
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}
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else if (i > 0) // Render links in the order the AI Network was build.
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v_RenderLine((pScriptNode - 1)->m_vOrigin, pScriptNode->m_vOrigin, m_LinkColor, bUseDepthBuffer);
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}
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}
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//------------------------------------------------------------------------------
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// Purpose: draw NavMesh BVTree
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// Input : *pMesh -
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// &vCameraPos -
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// &vCullPlane -
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// iBVTreeIndex -
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// flCameraRange -
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// nTileRange -
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// bDepthBuffer -
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//------------------------------------------------------------------------------
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void CAI_Utility::DrawNavMeshBVTree(
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const dtNavMesh* pMesh,
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const Vector3D& vCameraPos,
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const VPlane& vCullPlane,
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const int iBVTreeIndex,
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const float flCameraRange,
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const int nTileRange,
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const bool bDepthBuffer) const
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{
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if (!pMesh)
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pMesh = GetNavMeshForHull(navmesh_debug_type->GetInt());
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if (!pMesh)
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return; // NavMesh for hull not loaded.
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OverlayBox_t::Transforms vTransforms;
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for (int i = iBVTreeIndex, nt = pMesh->getTileCount(); i < nt; ++i)
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{
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if (nTileRange > 0 && i > nTileRange)
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break;
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const dtMeshTile* pTile = &pMesh->m_tiles[i];
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if (!pTile->header)
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continue;
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if (!IsTileWithinRange(pTile, vCullPlane, vCameraPos, flCameraRange))
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continue;
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const float flCellSize = 1.0f / pTile->header->bvQuantFactor;
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const fltx4 xTileAABB = LoadGatherSIMD(pTile->header->bmin[0], pTile->header->bmin[1], pTile->header->bmin[2], 0.0f);
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const fltx4 xCellSize = LoadGatherSIMD(flCellSize, flCellSize, flCellSize, 0.0f);
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for (int j = 0, nc = pTile->header->bvNodeCount; j < nc; ++j)
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{
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const dtBVNode* pNode = &pTile->bvTree[j];
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if (pNode->i < 0) // Leaf indices are positive.
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continue;
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vTransforms.xmm[0] = LoadGatherSIMD(1.0f, 0.0f, 0.0f, 0.0f);
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vTransforms.xmm[1] = LoadGatherSIMD(0.0f, 1.0f, 0.0f, 0.0f);
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vTransforms.xmm[2] = LoadGatherSIMD(0.0f, 0.0f, 1.0f, 0.0f);
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// Formula: tile->header->bm##[axis]+node->bm##[axis]*cs;
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const fltx4 xMins = MaddSIMD(LoadGatherSIMD(pNode->bmin[0], pNode->bmin[1], pNode->bmin[2], 0.0f), xCellSize, xTileAABB);
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const fltx4 xMaxs = MaddSIMD(LoadGatherSIMD(pNode->bmax[0], pNode->bmax[1], pNode->bmax[2], 0.0f), xCellSize, xTileAABB);
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v_RenderBox(vTransforms.mat, *reinterpret_cast<const Vector3D*>(&xMins), *reinterpret_cast<const Vector3D*>(&xMaxs),
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Color(188, 188, 188, 255), bDepthBuffer);
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}
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}
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}
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//------------------------------------------------------------------------------
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// Purpose: draw NavMesh portals
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// Input : *pMesh -
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// &vCameraPos -
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// &vCullPlane -
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// iPortalIndex -
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// flCameraRange -
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// nTileRange -
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// bDepthBuffer -
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//------------------------------------------------------------------------------
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void CAI_Utility::DrawNavMeshPortals(const dtNavMesh* pMesh,
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const Vector3D& vCameraPos,
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const VPlane& vCullPlane,
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const int iPortalIndex,
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const float flCameraRange,
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const int nTileRange,
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const bool bDepthBuffer) const
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{
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if (!pMesh)
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pMesh = GetNavMeshForHull(navmesh_debug_type->GetInt());
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if (!pMesh)
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return; // NavMesh for hull not loaded.
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for (int i = iPortalIndex, nt = pMesh->getTileCount(); i < nt; ++i)
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{
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if (nTileRange > 0 && i > nTileRange)
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break;
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const dtMeshTile* pTile = &pMesh->m_tiles[i];
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if (!pTile->header)
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continue;
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if (!IsTileWithinRange(pTile, vCullPlane, vCameraPos, flCameraRange))
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continue;
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// Draw portals
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const float flPadX = 0.04f;
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const float flPadZ = pTile->header->walkableClimb;
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for (int nSide = 0; nSide < 8; ++nSide)
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{
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unsigned short m = DT_EXT_LINK | static_cast<unsigned short>(nSide);
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for (int j = 0, np = pTile->header->polyCount; j < np; ++j)
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{
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const dtPoly* pPoly = &pTile->polys[j];
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// Create new links.
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for (int v = 0, nv = pPoly->vertCount; v < nv; ++v)
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{
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// Skip edges which do not point to the right side.
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if (pPoly->neis[v] != m)
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continue;
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// Create new links
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const float* va = &pTile->verts[pPoly->verts[v] * 3];
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const float* vb = &pTile->verts[pPoly->verts[(v + 1) % nv] * 3];
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/*****************
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Vertex indices:
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va - = 0 +------+
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vb - = 1 | |
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va + = 2 | |
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vb + = 3 +------+
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*****************/
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fltx4 xVerts = LoadGatherSIMD(va[2], vb[2], va[2], vb[2]);
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Vector4D* vVerts = reinterpret_cast<Vector4D*>(&xVerts);
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xVerts = SubSIMD(xVerts, LoadGatherSIMD(flPadZ, flPadZ, 0.0f, 0.0f));
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xVerts = AddSIMD(xVerts, LoadGatherSIMD(0.0f, 0.0f, flPadZ, flPadZ));
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if (nSide == 0 || nSide == 4)
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{
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Color col = nSide == 0 ? Color(188, 0, 0, 255) : Color(188, 0, 188, 255);
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const float x = va[0] + ((nSide == 0) ? -flPadX : flPadX);
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fltx4 xOrigin = LoadGatherSIMD(x, va[1], vVerts->x, 0);
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fltx4 xDest = LoadGatherSIMD(x, va[1], vVerts->z, 0);
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v_RenderLine(*reinterpret_cast<Vector3D*>(&xOrigin),
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*reinterpret_cast<Vector3D*>(&xDest), col, bDepthBuffer);
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xOrigin = LoadGatherSIMD(x, va[1], vVerts->z, 0);
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xDest = LoadGatherSIMD(x, vb[1], vVerts->w, 0);
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v_RenderLine(*reinterpret_cast<Vector3D*>(&xOrigin),
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*reinterpret_cast<Vector3D*>(&xDest), col, bDepthBuffer);
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xOrigin = LoadGatherSIMD(x, vb[1], vVerts->w, 0);
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xDest = LoadGatherSIMD(x, vb[1], vVerts->y, 0);
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v_RenderLine(*reinterpret_cast<Vector3D*>(&xOrigin),
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*reinterpret_cast<Vector3D*>(&xDest), col, bDepthBuffer);
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xOrigin = LoadGatherSIMD(x, vb[1], vVerts->y, 0);
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xDest = LoadGatherSIMD(x, va[1], vVerts->x, 0);
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v_RenderLine(*reinterpret_cast<Vector3D*>(&xOrigin),
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*reinterpret_cast<Vector3D*>(&xDest), col, bDepthBuffer);
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}
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else if (nSide == 2 || nSide == 6)
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{
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Color col = nSide == 2 ? Color(0, 188, 0, 255) : Color(188, 188, 0, 255);
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const float y = va[1] + ((nSide == 2) ? -flPadX : flPadX);
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fltx4 xOrigin = LoadGatherSIMD(va[0], y, vVerts->x, 0);
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fltx4 xDest = LoadGatherSIMD(va[0], y, vVerts->z, 0);
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v_RenderLine(*reinterpret_cast<Vector3D*>(&xOrigin),
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*reinterpret_cast<Vector3D*>(&xDest), col, bDepthBuffer);
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xOrigin = LoadGatherSIMD(va[0], y, vVerts->z, 0);
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xDest = LoadGatherSIMD(vb[0], y, vVerts->w, 0);
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v_RenderLine(*reinterpret_cast<Vector3D*>(&xOrigin),
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*reinterpret_cast<Vector3D*>(&xDest), col, bDepthBuffer);
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xOrigin = LoadGatherSIMD(vb[0], y, vVerts->w, 0);
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xDest = LoadGatherSIMD(vb[0], y, vVerts->y, 0);
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v_RenderLine(*reinterpret_cast<Vector3D*>(&xOrigin),
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*reinterpret_cast<Vector3D*>(&xDest), col, bDepthBuffer);
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xOrigin = LoadGatherSIMD(vb[0], y, vVerts->y, 0);
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xDest = LoadGatherSIMD(va[0], y, vVerts->x, 0);
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v_RenderLine(*reinterpret_cast<Vector3D*>(&xOrigin),
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*reinterpret_cast<Vector3D*>(&xDest), col, bDepthBuffer);
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}
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}
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}
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}
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}
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}
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//------------------------------------------------------------------------------
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// Purpose: draw NavMesh polys
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// Input : *pMesh -
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// &vCameraPos -
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// &vCullPlane -
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// iPolyIndex -
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// flCameraRange -
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// nTileRange -
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// bDepthBuffer -
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//------------------------------------------------------------------------------
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void CAI_Utility::DrawNavMeshPolys(const dtNavMesh* pMesh,
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const Vector3D& vCameraPos,
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const VPlane& vCullPlane,
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const int iPolyIndex,
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const float flCameraRange,
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const int nTileRange,
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const bool bDepthBuffer) const
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{
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if (!pMesh)
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pMesh = GetNavMeshForHull(navmesh_debug_type->GetInt());
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if (!pMesh)
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return; // NavMesh for hull not loaded.
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for (int i = iPolyIndex; i < pMesh->getTileCount(); ++i)
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{
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if (nTileRange > 0 && i > nTileRange)
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break;
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const dtMeshTile* pTile = &pMesh->m_tiles[i];
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if (!pTile->header)
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continue;
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if (!IsTileWithinRange(pTile, vCullPlane, vCameraPos, flCameraRange))
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continue;
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for (int j = 0; j < pTile->header->polyCount; j++)
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{
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const dtPoly* pPoly = &pTile->polys[j];
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Color col{ 110, 200, 220, 255 };
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const unsigned int ip = (unsigned int)(pPoly - pTile->polys);
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if (pPoly->getType() == DT_POLYTYPE_OFFMESH_CONNECTION)
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{
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const dtOffMeshConnection* con = &pTile->offMeshCons[ip - pTile->header->offMeshBase];
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v_RenderLine(Vector3D(con->pos[0], con->pos[1], con->pos[2]),
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Vector3D(con->pos[3], con->pos[4], con->pos[5]), Color(188, 0, 188, 255), bDepthBuffer);
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}
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else
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{
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const dtPolyDetail* pDetail = &pTile->detailMeshes[ip];
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fltx4 xTris[3] = { LoadZeroSIMD() };
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for (int k = 0; k < pDetail->triCount; ++k)
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{
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const unsigned char* t = &pTile->detailTris[(pDetail->triBase + k) * 4];
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for (int e = 0; e < 3; ++e)
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{
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if (t[e] < pPoly->vertCount)
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{
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float* pflVerts = &pTile->verts[pPoly->verts[t[e]] * 3];
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xTris[e] = LoadGatherSIMD(pflVerts[0], pflVerts[1], pflVerts[2], 0.0f);
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}
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else
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{
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float* pflVerts = &pTile->detailVerts[(pDetail->vertBase + t[e] - pPoly->vertCount) * 3];
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xTris[e] = LoadGatherSIMD(pflVerts[0], pflVerts[1], pflVerts[2], 0.0f);
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}
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}
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v_RenderLine(*reinterpret_cast<const Vector3D*>(&xTris[0]),
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*reinterpret_cast<const Vector3D*>(&xTris[1]), col, bDepthBuffer);
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v_RenderLine(*reinterpret_cast<const Vector3D*>(&xTris[1]),
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*reinterpret_cast<const Vector3D*>(&xTris[2]), col, bDepthBuffer);
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v_RenderLine(*reinterpret_cast<const Vector3D*>(&xTris[2]),
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*reinterpret_cast<const Vector3D*>(&xTris[0]), col, bDepthBuffer);
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}
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}
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}
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}
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}
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//------------------------------------------------------------------------------
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// Purpose : draw NavMesh poly boundaries
|
|
// Input : *pMesh -
|
|
// &vCameraPos -
|
|
// &vCullPlane -
|
|
// iBoundaryIndex -
|
|
// flCameraRange -
|
|
// nTileRange -
|
|
// bDepthBuffer -
|
|
//------------------------------------------------------------------------------
|
|
void CAI_Utility::DrawNavMeshPolyBoundaries(const dtNavMesh* pMesh,
|
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const Vector3D& vCameraPos,
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|
const VPlane& vCullPlane,
|
|
const int iBoundaryIndex,
|
|
const float flCameraRange,
|
|
const int nTileRange,
|
|
const bool bDepthBuffer) const
|
|
{
|
|
static const float thr = 0.01f * 0.01f;
|
|
Color col{ 20, 140, 255, 255 };
|
|
|
|
if (!pMesh)
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pMesh = GetNavMeshForHull(navmesh_debug_type->GetInt());
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if (!pMesh)
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return; // NavMesh for hull not loaded.
|
|
|
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const bool bDrawInner = navmesh_draw_poly_bounds_inner->GetBool();
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|
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for (int i = iBoundaryIndex, nt = pMesh->getTileCount(); i < nt; ++i)
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|
{
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|
if (nTileRange > 0 && i > nTileRange)
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|
break;
|
|
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|
const dtMeshTile* pTile = &pMesh->m_tiles[i];
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if (!pTile->header)
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|
continue;
|
|
|
|
if (!IsTileWithinRange(pTile, vCullPlane, vCameraPos, flCameraRange))
|
|
continue;
|
|
|
|
for (int j = 0; j < pTile->header->polyCount; ++j)
|
|
{
|
|
const dtPoly* pPoly = &pTile->polys[j];
|
|
|
|
if (pPoly->getType() == DT_POLYTYPE_OFFMESH_CONNECTION)
|
|
continue;
|
|
|
|
const dtPolyDetail* pd = &pTile->detailMeshes[j];
|
|
|
|
for (int e = 0, ne = static_cast<int>(pPoly->vertCount); e < ne; ++e)
|
|
{
|
|
if (bDrawInner)
|
|
{
|
|
if (pPoly->neis[e] == 0)
|
|
continue;
|
|
|
|
if (pPoly->neis[e] & DT_EXT_LINK)
|
|
{
|
|
bool bCon = false;
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|
for (unsigned int k = pPoly->firstLink; k != DT_NULL_LINK; k = pTile->links[k].next)
|
|
{
|
|
if (pTile->links[k].edge == e)
|
|
{
|
|
bCon = true;
|
|
break;
|
|
}
|
|
}
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|
if (bCon)
|
|
col = Color(255, 255, 255, 255);
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|
else
|
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col = Color(0, 0, 0, 255);
|
|
}
|
|
else
|
|
col = Color(0, 48, 64, 255);
|
|
}
|
|
else
|
|
{
|
|
if (pPoly->neis[e] != 0)
|
|
continue;
|
|
}
|
|
|
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const float* v0 = &pTile->verts[pPoly->verts[e] * 3];
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const float* v1 = &pTile->verts[pPoly->verts[(e + 1) % ne] * 3];
|
|
|
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// Draw detail mesh edges which align with the actual poly edge.
|
|
// This is really slow.
|
|
for (int k = 0, ke = pd->triCount; k < ke; ++k)
|
|
{
|
|
const unsigned char* t = &pTile->detailTris[(pd->triBase + k) * 4];
|
|
const float* tv[3];
|
|
for (int m = 0; m < 3; ++m)
|
|
{
|
|
if (t[m] < pPoly->vertCount)
|
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tv[m] = &pTile->verts[pPoly->verts[t[m]] * 3];
|
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else
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tv[m] = &pTile->detailVerts[(pd->vertBase + (t[m] - pPoly->vertCount)) * 3];
|
|
}
|
|
for (int m = 0, n = 2; m < 3; n = m++)
|
|
{
|
|
if ((dtGetDetailTriEdgeFlags(t[3], n) & DT_DETAIL_EDGE_BOUNDARY) == 0)
|
|
continue;
|
|
|
|
if (distancePtLine2d(tv[n], v0, v1) < thr &&
|
|
distancePtLine2d(tv[m], v0, v1) < thr)
|
|
{
|
|
v_RenderLine(Vector3D(tv[n][0], tv[n][1], tv[n][2]), Vector3D(tv[m][0], tv[m][1], tv[m][2]), col, bDepthBuffer);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
//------------------------------------------------------------------------------
|
|
// Purpose: packs 4 node indices together
|
|
// Input : a - (set 1)
|
|
// b -
|
|
// c - (set 2)
|
|
// d -
|
|
// Output : packed node set as i64x2
|
|
//------------------------------------------------------------------------------
|
|
shortx8 CAI_Utility::PackNodeLink(int32_t a, int32_t b, int32_t c, int32_t d) const
|
|
{
|
|
shortx8 xResult = _mm_set_epi32(a, b, c, d);
|
|
|
|
// We shuffle a b and c d if following condition is met, this is to
|
|
// ensure we always end up with one possible combination of indices.
|
|
if (a < b) // Swap 'a' with 'b'.
|
|
xResult = _mm_shuffle_epi32(xResult, _MM_SHUFFLE(2, 3, 1, 0));
|
|
if (c < d) // Swap 'c' with 'd'.
|
|
xResult = _mm_shuffle_epi32(xResult, _MM_SHUFFLE(3, 2, 0, 1));
|
|
|
|
return xResult;
|
|
}
|
|
|
|
//------------------------------------------------------------------------------
|
|
// Purpose: checks if the NavMesh tile is within the camera radius
|
|
// Input : *pTile -
|
|
// &vCamera -
|
|
// flCameraRadius -
|
|
// Output : true if within radius, false otherwise
|
|
//------------------------------------------------------------------------------
|
|
bool CAI_Utility::IsTileWithinRange(const dtMeshTile* pTile, const VPlane& vPlane, const Vector3D& vCamera, const float flCameraRadius) const
|
|
{
|
|
const fltx4 xMinBound = LoadGatherSIMD(pTile->header->bmin[0], pTile->header->bmin[1], vCamera.z, 0.0f);
|
|
const fltx4 xMaxBound = LoadGatherSIMD(pTile->header->bmax[0], pTile->header->bmax[1], vCamera.z, 0.0f);
|
|
|
|
const Vector3D* vecMinBound = reinterpret_cast<const Vector3D*>(&xMinBound);
|
|
const Vector3D* vecMaxBound = reinterpret_cast<const Vector3D*>(&xMaxBound);
|
|
|
|
if (flCameraRadius > 0.0f)
|
|
{
|
|
// Too far from camera, do not render.
|
|
if (vCamera.DistTo(*vecMinBound) > flCameraRadius ||
|
|
vCamera.DistTo(*vecMaxBound) > flCameraRadius)
|
|
return false;
|
|
}
|
|
|
|
// Behind the camera, do not render.
|
|
if (vPlane.GetPointSide(*vecMinBound) != SIDE_FRONT ||
|
|
vPlane.GetPointSide(*vecMaxBound) != SIDE_FRONT)
|
|
return false;
|
|
|
|
return true;
|
|
}
|
|
|
|
//------------------------------------------------------------------------------
|
|
// Purpose: gets the nearest node index to position
|
|
// Input : *pAINetwork -
|
|
// *vPos -
|
|
// Output : node index ('NO_NODE' if no node has been found)
|
|
//------------------------------------------------------------------------------
|
|
int CAI_Utility::GetNearestNodeToPos(const CAI_Network* pAINetwork, const Vector3D* vPos) const
|
|
{
|
|
int result; // rax
|
|
unsigned int v3; // er10
|
|
__int64 v4; // rdx
|
|
float v5; // xmm3_4
|
|
unsigned int v6; // er8
|
|
CAI_ScriptNode* v7; // rax
|
|
float v8; // xmm4_4
|
|
float v9; // xmm5_4
|
|
float v10; // xmm6_4
|
|
float* v11; // rcx
|
|
float* v12; // rax
|
|
float v13; // xmm7_4
|
|
float v14; // xmm2_4
|
|
unsigned int v15; // er9
|
|
float v16; // xmm8_4
|
|
float v17; // xmm2_4
|
|
unsigned int v18; // er8
|
|
float v19; // xmm9_4
|
|
float v20; // xmm2_4
|
|
unsigned int v21; // er9
|
|
float v22; // xmm7_4
|
|
float v23; // xmm2_4
|
|
float* v24; // r9
|
|
float v25; // xmm4_4
|
|
float v26; // xmm2_4
|
|
unsigned int v27; // ecx
|
|
|
|
if (pAINetwork)
|
|
{
|
|
v3 = pAINetwork->m_iNumScriptNodes;
|
|
v4 = 0i64;
|
|
v5 = 640000.0;
|
|
v6 = (unsigned int)NO_NODE;
|
|
if (v3 >= 4)
|
|
{
|
|
v7 = pAINetwork->m_ScriptNode;
|
|
v8 = vPos->x;
|
|
v9 = vPos->y;
|
|
v10 = vPos->z;
|
|
v11 = &v7->m_vOrigin.z;
|
|
v12 = &v7[1].m_vOrigin.y;
|
|
do
|
|
{
|
|
v13 = v5;
|
|
v14 = (float)((float)((float)(*(v11 - 1) - v9) * (float)(*(v11 - 1) - v9)) + (float)((float)(*(v11 - 2) - v8) * (float)(*(v11 - 2) - v8))) + (float)((float)(*v11 - v10) * (float)(*v11 - v10));
|
|
if (v5 > v14)
|
|
v5 = (float)((float)((float)(*(v11 - 1) - v9) * (float)(*(v11 - 1) - v9)) + (float)((float)(*(v11 - 2) - v8) * (float)(*(v11 - 2) - v8))) + (float)((float)(*v11 - v10) * (float)(*v11 - v10));
|
|
v15 = (unsigned int)v4;
|
|
if (v13 <= v14)
|
|
v15 = v6;
|
|
v16 = v5;
|
|
v17 = (float)((float)((float)(*(v12 - 1) - v9) * (float)(*(v12 - 1) - v9)) + (float)((float)(v11[3] - v8) * (float)(v11[3] - v8))) + (float)((float)(*v12 - v10) * (float)(*v12 - v10));
|
|
if (v5 > v17)
|
|
v5 = (float)((float)((float)(*(v12 - 1) - v9) * (float)(*(v12 - 1) - v9)) + (float)((float)(v11[3] - v8) * (float)(v11[3] - v8))) + (float)((float)(*v12 - v10) * (float)(*v12 - v10));
|
|
v18 = (unsigned int)v4 + 1;
|
|
if (v16 <= v17)
|
|
v18 = v15;
|
|
v19 = v5;
|
|
v20 = (float)((float)((float)(v12[4] - v9) * (float)(v12[4] - v9)) + (float)((float)(v11[8] - v8) * (float)(v11[8] - v8))) + (float)((float)(v12[5] - v10) * (float)(v12[5] - v10));
|
|
if (v5 > v20)
|
|
v5 = (float)((float)((float)(v12[4] - v9) * (float)(v12[4] - v9)) + (float)((float)(v11[8] - v8) * (float)(v11[8] - v8))) + (float)((float)(v12[5] - v10) * (float)(v12[5] - v10));
|
|
v21 = (unsigned int)v4 + 2;
|
|
if (v19 <= v20)
|
|
v21 = v18;
|
|
v22 = v5;
|
|
v23 = (float)((float)((float)(v12[9] - v9) * (float)(v12[9] - v9)) + (float)((float)(v11[13] - v8) * (float)(v11[13] - v8))) + (float)((float)(v12[10] - v10) * (float)(v12[10] - v10));
|
|
if (v5 > v23)
|
|
v5 = (float)((float)((float)(v12[9] - v9) * (float)(v12[9] - v9)) + (float)((float)(v11[13] - v8) * (float)(v11[13] - v8))) + (float)((float)(v12[10] - v10) * (float)(v12[10] - v10));
|
|
v6 = (unsigned int)v4 + 3;
|
|
if (v22 <= v23)
|
|
v6 = v21;
|
|
v11 += 20;
|
|
v12 += 20;
|
|
v4 = (unsigned int)(v4 + 4);
|
|
} while ((unsigned int)v4 < v3 - 3);
|
|
}
|
|
if ((unsigned int)v4 < v3)
|
|
{
|
|
v24 = &pAINetwork->m_ScriptNode->m_vOrigin.x + 5 * v4;
|
|
do
|
|
{
|
|
v25 = v5;
|
|
v26 = (float)((float)((float)(v24[1] - vPos->y) * (float)(v24[1] - vPos->y)) + (float)((float)(*v24 - vPos->x) * (float)(*v24 - vPos->x)))
|
|
+ (float)((float)(v24[2] - vPos->z) * (float)(v24[2] - vPos->z));
|
|
if (v5 > v26)
|
|
v5 = (float)((float)((float)(v24[1] - vPos->y) * (float)(v24[1] - vPos->y)) + (float)((float)(*v24 - vPos->x) * (float)(*v24 - vPos->x)))
|
|
+ (float)((float)(v24[2] - vPos->z) * (float)(v24[2] - vPos->z));
|
|
v27 = (unsigned int)v4;
|
|
if (v25 <= v26)
|
|
v27 = v6;
|
|
v24 += 5;
|
|
LODWORD(v4) = (unsigned int)v4 + 1;
|
|
v6 = v27;
|
|
} while ((unsigned int)v4 < v3);
|
|
}
|
|
result = v6;
|
|
}
|
|
else
|
|
{
|
|
result = NULL;
|
|
}
|
|
return result;
|
|
}
|
|
|
|
CAI_Utility* g_pAIUtility = new (CAI_Utility);
|