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Game: make navmesh render plane culling optional

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Plane culling is too aggressive on larger tiles, make it optional.
This commit is contained in:
Kawe Mazidjatari 2024-11-06 14:12:12 +01:00
parent c4cdbe38ce
commit 652b5d7018
3 changed files with 41 additions and 30 deletions
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43
src/game/shared/ai_utility_shared.cpp
View File

@ -26,7 +26,8 @@ static ConVar ai_script_nodes_draw_nearest("ai_script_nodes_draw_nearest", "1",
static ConVar navmesh_debug_type("navmesh_debug_type", "0", FCVAR_DEVELOPMENTONLY, "NavMesh debug draw hull index", true, 0.f, true, 4.f, nullptr, "0 = small, 1 = med_short, 2 = medium, 3 = large, 4 = extra large");
static ConVar navmesh_debug_tile_range("navmesh_debug_tile_range", "0", FCVAR_DEVELOPMENTONLY, "NavMesh debug draw tiles ranging from shift index to this cvar", true, 0.f, false, 0.f);
static ConVar navmesh_debug_camera_range("navmesh_debug_camera_range", "2000", FCVAR_DEVELOPMENTONLY, "Only debug draw tiles within this distance from camera origin", true, 0.f, false, 0.f);
static ConVar navmesh_debug_camera_range("navmesh_debug_camera_range", "6000", FCVAR_DEVELOPMENTONLY, "Only debug draw tiles within this distance from camera origin", true, 0.f, false, 0.f);
static ConVar navmesh_debug_camera_plane_culling("navmesh_debug_camera_plane_culling", "0", FCVAR_DEVELOPMENTONLY, "Use plane culling to improve render performance (can be too aggressive on larger tiles)", true, 0.f, false, 0.f);
static ConVar navmesh_draw_bvtree("navmesh_draw_bvtree", "-1", FCVAR_DEVELOPMENTONLY, "Draws the BVTree of the NavMesh tiles", false, 0.f, false, 0.f, nullptr, "Index: >= 0 && < mesh->m_tileCount");
static ConVar navmesh_draw_portal("navmesh_draw_portal", "-1", FCVAR_DEVELOPMENTONLY, "Draws the portal of the NavMesh tiles", false, 0.f, false, 0.f, nullptr, "Index: >= 0 && < mesh->m_tileCount");
@ -57,24 +58,31 @@ void CAI_Utility::RunRenderFrame(void)
const int iScriptNodeIndex = ai_script_nodes_draw->GetInt();
const int iNavMeshBVTreeIndex = navmesh_draw_bvtree.GetInt();
const int iNavMeshPortalIndex = navmesh_draw_portal.GetInt();
//const int iNavMeshPolyIndex = navmesh_draw_poly_detail.GetInt();
const int iNavMeshPolyBoundIndex = navmesh_draw_poly_bounds.GetInt();
if (iScriptNodeIndex <= -1 &&
iNavMeshBVTreeIndex <= -1 &&
iNavMeshPortalIndex <= -1 &&
/*iNavMeshPolyIndex <= -1 &&*/
iNavMeshPolyBoundIndex <= -1)
{
// Nothing to render.
return;
}
const Vector3D& vCamera = MainViewOrigin();
const QAngle& aCamera = MainViewAngles();
const bool bUsePlaneCulling = navmesh_debug_camera_plane_culling.GetBool();
const Vector3D& vCamera = MainViewOrigin();
VPlane vCullPlane;
if (bUsePlaneCulling)
{
const QAngle& aCamera = MainViewAngles();
const Vector3D vNormal = vCamera - aCamera.GetNormal() * 256.0f;
const VPlane vCullPlane(vNormal, aCamera);
vCullPlane.Init(vNormal, aCamera);
}
const VPlane* pCullPlane = bUsePlaneCulling ? &vCullPlane : nullptr;
const float flCameraRange = navmesh_debug_camera_range.GetFloat();
const int nTileRange = navmesh_debug_tile_range.GetInt();
@ -83,15 +91,15 @@ void CAI_Utility::RunRenderFrame(void)
if (iScriptNodeIndex > -1)
g_AIUtility.DrawAIScriptNetwork(*g_pAINetwork, vCamera, iScriptNodeIndex, flCameraRange, bUseDepthBuffer);
if (iNavMeshBVTreeIndex > -1)
g_AIUtility.DrawNavMeshBVTree(nullptr, vCamera, vCullPlane, iNavMeshBVTreeIndex, flCameraRange, nTileRange, bUseDepthBuffer);
g_AIUtility.DrawNavMeshBVTree(nullptr, vCamera, pCullPlane, iNavMeshBVTreeIndex, flCameraRange, nTileRange, bUseDepthBuffer);
if (iNavMeshPortalIndex > -1)
g_AIUtility.DrawNavMeshPortals(nullptr, vCamera, vCullPlane, iNavMeshPortalIndex, flCameraRange, nTileRange, bUseDepthBuffer);
g_AIUtility.DrawNavMeshPortals(nullptr, vCamera, pCullPlane, iNavMeshPortalIndex, flCameraRange, nTileRange, bUseDepthBuffer);
if (iNavMeshPolyBoundIndex > -1)
{
const bool bDrawDetail = navmesh_draw_poly_detail.GetBool();
g_AIUtility.DrawNavMeshPolyBoundaries(nullptr, vCamera, vCullPlane, iNavMeshPolyBoundIndex, flCameraRange, nTileRange, true, bDrawDetail, bUseDepthBuffer);
g_AIUtility.DrawNavMeshPolyBoundaries(nullptr, vCamera, vCullPlane, iNavMeshPolyBoundIndex, flCameraRange, nTileRange, false, false, bUseDepthBuffer);
g_AIUtility.DrawNavMeshPolyBoundaries(nullptr, vCamera, pCullPlane, iNavMeshPolyBoundIndex, flCameraRange, nTileRange, true, bDrawDetail, bUseDepthBuffer);
g_AIUtility.DrawNavMeshPolyBoundaries(nullptr, vCamera, pCullPlane, iNavMeshPolyBoundIndex, flCameraRange, nTileRange, false, false, bUseDepthBuffer);
}
}
@ -182,7 +190,7 @@ void CAI_Utility::DrawAIScriptNetwork(
void CAI_Utility::DrawNavMeshBVTree(
const dtNavMesh* pMesh,
const Vector3D& vCameraPos,
const VPlane& vCullPlane,
const VPlane* vCullPlane,
const int iBVTreeIndex,
const float flCameraRange,
const int nTileRange,
@ -246,7 +254,7 @@ void CAI_Utility::DrawNavMeshBVTree(
//------------------------------------------------------------------------------
void CAI_Utility::DrawNavMeshPortals(const dtNavMesh* pMesh,
const Vector3D& vCameraPos,
const VPlane& vCullPlane,
const VPlane* vCullPlane,
const int iPortalIndex,
const float flCameraRange,
const int nTileRange,
@ -366,7 +374,7 @@ void CAI_Utility::DrawNavMeshPortals(const dtNavMesh* pMesh,
//------------------------------------------------------------------------------
void CAI_Utility::DrawNavMeshPolyBoundaries(const dtNavMesh* pMesh,
const Vector3D& vCameraPos,
const VPlane& vCullPlane,
const VPlane* vCullPlane,
const int iBoundaryIndex,
const float flCameraRange,
const int nTileRange,
@ -516,7 +524,7 @@ shortx8 CAI_Utility::PackNodeLink(int32_t a, int32_t b, int32_t c, int32_t d) co
// 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
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);
@ -532,10 +540,13 @@ bool CAI_Utility::IsTileWithinRange(const dtMeshTile* pTile, const VPlane& vPlan
return false;
}
if (vPlane)
{
// Behind the camera, do not render.
if (vPlane.GetPointSide(*vecMinBound) != SIDE_FRONT ||
vPlane.GetPointSide(*vecMaxBound) != SIDE_FRONT)
if (vPlane->GetPointSide(*vecMinBound) != SIDE_FRONT ||
vPlane->GetPointSide(*vecMaxBound) != SIDE_FRONT)
return false;
}
return true;
}

8
src/game/shared/ai_utility_shared.h
View File

@ -27,7 +27,7 @@ public:
void DrawNavMeshBVTree(const dtNavMesh* mesh,
const Vector3D& vCameraPos,
const VPlane& vCullPlane,
const VPlane* vCullPlane,
const int iBVTreeIndex,
const float flCameraRange,
const int nTileRange,
@ -35,7 +35,7 @@ public:
void DrawNavMeshPortals(const dtNavMesh* mesh,
const Vector3D& vCameraPos,
const VPlane& vCullPlane,
const VPlane* vCullPlane,
const int iPortalIndex,
const float flCameraRange,
const int nTileRange,
@ -43,7 +43,7 @@ public:
void DrawNavMeshPolyBoundaries(const dtNavMesh* mesh,
const Vector3D& vCameraPos,
const VPlane& vCullPlane,
const VPlane* vCullPlane,
const int iBoundaryIndex,
const float flCameraRange,
const int nTileRange,
@ -53,7 +53,7 @@ public:
shortx8 PackNodeLink(int32_t a, int32_t b, int32_t c = 0, int32_t d = 0) const;
int GetNearestNodeToPos(const CAI_Network* pAINetwork, const Vector3D* vec) const;
bool IsTileWithinRange(const dtMeshTile* pTile, const VPlane& vPlane, const Vector3D& vCamera, const float flCameraRadius) const;
bool IsTileWithinRange(const dtMeshTile* pTile, const VPlane* vPlane, const Vector3D& vCamera, const float flCameraRadius) const;
private:
Color m_BoxColor;

14
src/mathlib/vplane.h
View File

@ -30,9 +30,9 @@ class VPlane
public:
VPlane();
VPlane(const Vector3D& vNormal, vec_t dist);
VPlane(const Vector3D& vPoint, const QAngle& ang);
void Init(const Vector3D& vNormal, vec_t dist);
void Init(const Vector3D& vPoint, const QAngle& ang);
// Return the distance from the point to the plane.
vec_t DistTo(const Vector3D& vVec) const;
@ -87,18 +87,18 @@ inline VPlane::VPlane(const Vector3D& vNormal, vec_t dist)
m_Dist = dist;
}
inline VPlane::VPlane(const Vector3D& vPoint, const QAngle& ang)
{
m_Normal = ang.GetNormal();
m_Dist = vPoint.x * m_Normal.x + vPoint.y * m_Normal.y + vPoint.z * m_Normal.z;
}
inline void VPlane::Init(const Vector3D& vNormal, vec_t dist)
{
m_Normal = vNormal;
m_Dist = dist;
}
inline void VPlane::Init(const Vector3D& vPoint, const QAngle& ang)
{
m_Normal = ang.GetNormal();
m_Dist = vPoint.x * m_Normal.x + vPoint.y * m_Normal.y + vPoint.z * m_Normal.z;
}
inline vec_t VPlane::DistTo(const Vector3D& vVec) const
{
return vVec.Dot(m_Normal) - m_Dist;