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Add DumpLevelMesh ccmd

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RaveYard 2023-08-30 17:48:34 +02:00 committed by Christoph Oelckers
parent 60f8c11584
commit 34f8b8524b
2 changed files with 41 additions and 0 deletions
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39
src/rendering/hwrenderer/doom_levelmesh.cpp
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@ -5,6 +5,22 @@
#include "texturemanager.h"
#include "playsim/p_lnspec.h"
#include "c_dispatch.h"
#include "g_levellocals.h"
CCMD(dumplevelmesh)
{
if (level.levelMesh)
{
level.levelMesh->DumpMesh(FString("levelmesh.obj"));
Printf("Level mesh exported.");
}
else
{
Printf("No level mesh. Perhaps your level has no lightmap loaded?");
}
}
DoomLevelMesh::DoomLevelMesh(FLevelLocals &doomMap)
{
for (unsigned int i = 0; i < doomMap.sides.Size(); i++)
@ -418,3 +434,26 @@ bool DoomLevelMesh::IsDegenerate(const FVector3 &v0, const FVector3 &v1, const F
float crosslengthsqr = crossx * crossx + crossy * crossy + crossz * crossz;
return crosslengthsqr <= 1.e-6f;
}
void DoomLevelMesh::DumpMesh(const FString& filename) const
{
auto f = fopen(filename.GetChars(), "w");
fprintf(f, "# DoomLevelMesh debug export\n");
fprintf(f, "# MeshVertices: %d, MeshElements: %d\n", MeshVertices.Size(), MeshElements.Size());
double scale = 1 / 100.0;
for (const auto& v : MeshVertices)
{
fprintf(f, "v %f %f %f\n", v.X * scale, v.Y * scale, v.Z * scale);
}
const auto s = MeshElements.Size();
for (auto i = 0; i + 2 < s; i += 3)
{
fprintf(f, "f %d %d %d\n", MeshElements[i] + 1, MeshElements[i + 1] + 1, MeshElements[i + 2] + 1);
}
fclose(f);
}

2
src/rendering/hwrenderer/doom_levelmesh.h
View file

@ -38,6 +38,8 @@ public:
TArray<Surface> Surfaces;
void DumpMesh(const FString& filename) const;
private:
void CreateSubsectorSurfaces(FLevelLocals &doomMap);
void CreateCeilingSurface(FLevelLocals &doomMap, subsector_t *sub, sector_t *sector, int typeIndex, bool is3DFloor);