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#include "ai_helper.h"
#include "client/debugoverlay.h"
#include "client/cdll_client_int.h"
#include "engine/hoststate.h"
#include "core/math/vplane.h"
#include <fstream>
const int AINET_VERSION_NUMBER = 57;
const int AINET_SCRIPT_VERSION_NUMBER = 21;
const int PLACEHOLDER_CRC = 0;
static ConVar* Cvar_navmesh_debug_hull;
static ConVar* Cvar_navmesh_debug_camera_radius;
static ConVar* Cvar_navmesh_debug_lossy_optimization;
//-----------------------------------------------------------------------------
// Purpose: Get navmesh pointer for hull
// Output : navmesh*, nullptr if out of range
//-----------------------------------------------------------------------------
dtNavMesh* GetNavMeshForHull(int nHull)
{
if (nHull < 1 || nHull > 4)
return nullptr;
return g_pNavMesh[nHull - 1];
}
//-----------------------------------------------------------------------------
// Purpose: Packs two vectors into a __m128i
// Input : &v1 -
// &v2 -
// Output :
//-----------------------------------------------------------------------------
__m128i PackVerticesSIMD16(const Vector3& v1, const Vector3& v2)
{
short x1, x2, y1, y2, z1, z2;
x1 = static_cast<short>(v1.x);
x2 = static_cast<short>(v2.x);
y1 = static_cast<short>(v1.y);
y2 = static_cast<short>(v2.y);
z1 = static_cast<short>(v1.z);
z2 = static_cast<short>(v2.z);
__m128i xRes = _mm_set_epi16(x1, x2, y1, y2, z1, z2, 0, 0);
if (x1 < x2)
xRes = _mm_shufflehi_epi16(xRes, _MM_SHUFFLE(2, 3, 1, 0));
if (y1 < y2)
xRes = _mm_shufflehi_epi16(xRes, _MM_SHUFFLE(3, 2, 0, 1));
if (z1 < z2)
xRes = _mm_shufflelo_epi16(xRes, _MM_SHUFFLE(2, 3, 1, 0));
return xRes;
}
//-----------------------------------------------------------------------------
// Purpose: Draw navmesh polys using debug overlay
// Input : *pNavMesh
//-----------------------------------------------------------------------------
void CAI_Helper::DrawNavmeshPolys(dtNavMesh* pNavMesh)
{
if (!pNavMesh)
pNavMesh = GetNavMeshForHull(Cvar_navmesh_debug_hull->GetInt());
if (!pNavMesh)
return;
Vector3 vCamera;
QAngle aCamera;
float fFov;
g_pClientTools->GetLocalPlayerEyePosition(vCamera, aCamera, fFov);
const VPlane CullPlane(vCamera - aCamera.GetNormal() * 256.0f, aCamera);
const float fCamRadius = Cvar_navmesh_debug_camera_radius->GetFloat();
const bool bOptimize = Cvar_navmesh_debug_lossy_optimization->GetBool();
// Used for lossy optimization ( z is ignored when checking for duplicates )
// [Fifty]: On a release build i gained around 12 fps on a 1050 ti
std::unordered_set<int64_t> sOutlines;
for (int i = 0; i < pNavMesh->m_maxTiles; ++i)
{
const dtMeshTile* pTile = &pNavMesh->m_tiles[i];
if (!pTile->header)
continue;
for (int j = 0; j < pTile->header->polyCount; j++)
{
const dtPoly* pPoly = &pTile->polys[j];
if (vCamera.DistTo(pPoly->org) > fCamRadius)
continue;
if (CullPlane.GetPointSide(pPoly->org) != SIDE_FRONT)
continue;
const unsigned int ip = (unsigned int)(pPoly - pTile->polys);
if (pPoly->getType() == DT_POLYTYPE_OFFMESH_CONNECTION)
{
const dtOffMeshConnection* pCon = &pTile->offMeshConnections[ip - pTile->header->offMeshBase];
RenderLine(pCon->origin, pCon->dest, Color(255, 250, 50, 255), true);
}
else
{
const dtPolyDetail* pDetail = &pTile->detailMeshes[ip];
Vector3 v[3];
for (int k = 0; k < pDetail->triCount; ++k)
{
const unsigned char* t = &pTile->detailTris[(pDetail->triBase + k) * 4];
for (int l = 0; l < 3; ++l)
{
if (t[l] < pPoly->vertCount)
{
float* pfVerts = &pTile->verts[pPoly->verts[t[l]] * 3];
v[l] = Vector3(pfVerts[0], pfVerts[1], pfVerts[2]);
}
else
{
float* pfVerts = &pTile->detailVerts[(pDetail->vertBase + t[l] - pPoly->vertCount) * 3];
v[l] = Vector3(pfVerts[0], pfVerts[1], pfVerts[2]);
}
}
RenderTriangle(v[0], v[1], v[2], Color(110, 200, 220, 160), true);
auto r = sOutlines.insert(_mm_extract_epi64(PackVerticesSIMD16(v[0], v[1]), 1));
if (r.second || !bOptimize)
RenderLine(v[0], v[1], Color(0, 0, 150), true);
r = sOutlines.insert(_mm_extract_epi64(PackVerticesSIMD16(v[1], v[2]), 1));
if (r.second || !bOptimize)
RenderLine(v[1], v[2], Color(0, 0, 150), true);
r = sOutlines.insert(_mm_extract_epi64(PackVerticesSIMD16(v[2], v[0]), 1));
if (r.second || !bOptimize)
RenderLine(v[2], v[0], Color(0, 0, 150), true);
}
}
}
}
}
ON_DLL_LOAD("server.dll", ServerAIHelper, (CModule module))
{
Cvar_navmesh_debug_hull = new ConVar("navmesh_debug_hull", "0", FCVAR_RELEASE, "0 = NONE");
Cvar_navmesh_debug_camera_radius =
new ConVar("navmesh_debug_camera_radius", "1000", FCVAR_RELEASE, "Radius in which to draw navmeshes");
Cvar_navmesh_debug_lossy_optimization =
new ConVar("navmesh_debug_lossy_optimization", "1", FCVAR_RELEASE, "Whether to enable lossy navmesh debug draw optimizations");
}
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