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LIghtmapUVs to FVector2

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RaveYard 2023-08-31 20:54:49 +02:00 committed by Christoph Oelckers
parent cb730eabe0
commit 27063276e5
3 changed files with 13 additions and 20 deletions
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2
src/maploader/maploader.cpp
View file

@ -3461,7 +3461,7 @@ void MapLoader::BindLightmapSurfacesToGeometry()
l.Type = surface.type;
l.LightmapNum = 0;
l.TexCoords = &Level->levelMesh->LightmapUvs[surface.startUvIndex];
l.TexCoords = (float*) & Level->levelMesh->LightmapUvs[surface.startUvIndex];
l.LightmapNum = surface.atlasPageIndex;

29
src/rendering/hwrenderer/doom_levelmesh.cpp
View file

@ -460,10 +460,9 @@ void DoomLevelMesh::DumpMesh(const FString& filename) const
}
{
const auto s = LightmapUvs.Size();
for (unsigned i = 0; i + 1 < s; i += 2)
for (const auto& uv : LightmapUvs)
{
fprintf(f, "vt %f %f\n", LightmapUvs[i], LightmapUvs[i + 1]);
fprintf(f, "vt %f %f\n", uv.X, uv.Y);
}
}
@ -504,8 +503,7 @@ int DoomLevelMesh::SetupLightmapUvs(int lightmapSize)
for (int i = 0; i < surface.numVerts; ++i)
{
hwSurface->uvs.Push(
FVector2(LightmapUvs[surface.startUvIndex + i * 2], LightmapUvs[surface.startUvIndex + i * 2 + 1]));
hwSurface->uvs.Push(LightmapUvs[surface.startUvIndex + i]);
}
hwSurface->boundsMax = surface.bounds.max;
@ -570,21 +568,17 @@ int DoomLevelMesh::SetupLightmapUvs(int lightmapSize)
if (surface.type == ST_FLOOR)
{
// reverse vertices on floor
for (int j = surface.startUvIndex + surface.numVerts * 2 - 2, k = surface.startUvIndex; j > k; j-=2, k+=2)
for (int j = surface.startUvIndex + surface.numVerts - 1, k = surface.startUvIndex; j > k; j--, k++)
{
std::swap(LightmapUvs[k], LightmapUvs[j]);
std::swap(LightmapUvs[k + 1], LightmapUvs[j + 1]);
}
}
else if (surface.type != ST_CEILING) // walls
{
// from 0 1 2 3
// to 0 2 1 3
std::swap(LightmapUvs[surface.startUvIndex + 2 * 1], LightmapUvs[surface.startUvIndex + 2 * 2]);
std::swap(LightmapUvs[surface.startUvIndex + 2 * 2], LightmapUvs[surface.startUvIndex + 2 * 3]);
std::swap(LightmapUvs[surface.startUvIndex + 2 * 1 + 1], LightmapUvs[surface.startUvIndex + 2 * 2 + 1]);
std::swap(LightmapUvs[surface.startUvIndex + 2 * 2 + 1], LightmapUvs[surface.startUvIndex + 2 * 3 + 1]);
std::swap(LightmapUvs[surface.startUvIndex + 1], LightmapUvs[surface.startUvIndex + 2]);
std::swap(LightmapUvs[surface.startUvIndex + 2], LightmapUvs[surface.startUvIndex + 3]);
}
}
@ -602,11 +596,10 @@ void DoomLevelMesh::FinishSurface(int lightmapTextureWidth, int lightmapTextureH
surface.atlasPageIndex = (int)result.pageIndex;
// calculate final texture coordinates
auto uvIndex = surface.startUvIndex;
for (int i = 0; i < (int)surface.numVerts; i++)
{
auto& u = LightmapUvs[uvIndex++];
auto& v = LightmapUvs[uvIndex++];
auto& u = LightmapUvs[surface.startUvIndex + i].X;
auto& v = LightmapUvs[surface.startUvIndex + i].Y;
u = (u + x) / (float)lightmapTextureWidth;
v = (v + y) / (float)lightmapTextureHeight;
}
@ -764,13 +757,13 @@ void DoomLevelMesh::BuildSurfaceParams(int lightMapTextureWidth, int lightMapTex
surface.projLocalToV = tCoords[1];
surface.startUvIndex = AllocUvs(surface.numVerts);
auto uv = surface.startUvIndex;
for (int i = 0; i < surface.numVerts; i++)
{
FVector3 tDelta = MeshVertices[surface.startVertIndex + i] - surface.translateWorldToLocal;
LightmapUvs[uv++] = (tDelta | surface.projLocalToU);
LightmapUvs[uv++] = (tDelta | surface.projLocalToV);
LightmapUvs[surface.startUvIndex + i].X = (tDelta | surface.projLocalToU);
LightmapUvs[surface.startUvIndex + i].Y = (tDelta | surface.projLocalToV);
}

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

@ -68,7 +68,7 @@ public:
}
TArray<Surface> Surfaces;
TArray<float> LightmapUvs;
TArray<FVector2> LightmapUvs;
static_assert(alignof(FVector2) == alignof(float[2]) && sizeof(FVector2) == sizeof(float) * 2);