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Merge branch 'tripwire-texture-swap' into 'master'

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Tripwire texture swap

See merge request kart-krew-dev/ring-racers-internal!2950
This commit is contained in:
Eidolon 2025-10-20 18:33:28 -05:00
commit c73c02aac9
7 changed files with 71 additions and 9 deletions
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1
src/doomtype.h
View file

@ -239,6 +239,7 @@ enum {false = 0, true = 1};
#endif
#define ATTRUNUSED __attribute__((unused))
#define ATTRUNOPTIMIZE __attribute__((optimize("O0")))
#elif defined (_MSC_VER)
#define ATTRNORETURN __declspec(noreturn)
#define ATTRINLINE __forceinline

31
src/hardware/hw_main.c
View file

@ -1386,8 +1386,18 @@ static void HWR_ProcessSeg(void) // Sort of like GLWall::Process in GZDoom
grTex = HWR_GetTexture(gl_midtexture, gl_sidedef->midtexture);
// Check if we should flip tripwire texture vertically for unpegged tripwires
if (R_ShouldFlipTripWire(gl_linedef))
{
// Flip texture coordinates vertically
wallVerts[0].t = wallVerts[1].t = texturevpeg * grTex->scaleY;
wallVerts[3].t = wallVerts[2].t = (h - l + texturevpeg) * grTex->scaleY;
}
else
{
wallVerts[3].t = wallVerts[2].t = texturevpeg * grTex->scaleY;
wallVerts[0].t = wallVerts[1].t = (h - l + texturevpeg) * grTex->scaleY;
}
wallVerts[0].s = wallVerts[3].s = cliplow * grTex->scaleX;
wallVerts[2].s = wallVerts[1].s = cliphigh * grTex->scaleX;
}
@ -1433,9 +1443,20 @@ static void HWR_ProcessSeg(void) // Sort of like GLWall::Process in GZDoom
texturevpeg = textureheight[gl_sidedef->midtexture]*repeats - h + polybottom;
else
texturevpeg = polytop - h;
// Apply tripwire flipping for slope correction as well
if (R_ShouldFlipTripWire(gl_linedef))
{
// Flip texture coordinates vertically
wallVerts[1].t = texturevpeg * grTex->scaleY;
wallVerts[2].t = (h - l + texturevpeg) * grTex->scaleY;
}
else
{
wallVerts[2].t = texturevpeg * grTex->scaleY;
wallVerts[1].t = (h - l + texturevpeg) * grTex->scaleY;
}
}
wallVerts[2].y = FIXED_TO_FLOAT(h);
wallVerts[1].y = FIXED_TO_FLOAT(l);
@ -1531,8 +1552,18 @@ static void HWR_ProcessSeg(void) // Sort of like GLWall::Process in GZDoom
grTex = HWR_GetTexture(gl_midtexture, gl_sidedef->midtexture);
// Check if we should flip tripwire texture vertically for single-sided lines too
if (R_ShouldFlipTripWire(gl_linedef))
{
// Flip texture coordinates vertically
wallVerts[0].t = wallVerts[1].t = texturevpeg * grTex->scaleY;
wallVerts[3].t = wallVerts[2].t = (texturevpeg + gl_frontsector->ceilingheight - gl_frontsector->floorheight) * grTex->scaleY;
}
else
{
wallVerts[3].t = wallVerts[2].t = texturevpeg * grTex->scaleY;
wallVerts[0].t = wallVerts[1].t = (texturevpeg + gl_frontsector->ceilingheight - gl_frontsector->floorheight) * grTex->scaleY;
}
wallVerts[0].s = wallVerts[3].s = cliplow * grTex->scaleX;
wallVerts[2].s = wallVerts[1].s = cliphigh * grTex->scaleX;

1
src/p_map.c
View file

@ -1857,6 +1857,7 @@ boolean P_IsLineTripWire(const line_t *ld)
return ld->tripwire;
}
static boolean P_UsingStepUp(mobj_t *thing)
{
if (thing->flags & MF_NOCLIP)

13
src/p_setup.cpp
View file

@ -3375,6 +3375,19 @@ static boolean P_CheckLineSideTripWire(line_t *ld, int p)
terrain = K_GetTerrainForTextureNum(sda->midtexture);
tripwire = terrain && (terrain->flags & TRF_TRIPWIRE);
// If we are texture TRIPWIRE and have the ML_MIDTEXINVISWALL, the replace texture with TRIPWLOW
if (tripwire && (ld->flags & ML_MIDTEXINVISWALL)) // if we do backwards compat, update this to also swap for older custom maps without the flag
{
if (sda->midtexture == R_TextureNumForName("TRIPWIRE"))
{
sda->midtexture = R_TextureNumForName("TRIPWLOW");
}
else if (sda->midtexture == R_TextureNumForName("4RIPWIRE"))
{
sda->midtexture = R_TextureNumForName("4RIPWLOW");
}
}
if (tripwire)
{
// copy midtexture to other side

7
src/r_bsp.cpp
View file

@ -429,6 +429,13 @@ boolean R_IsDebugLine(seg_t *line)
return false;
}
boolean R_ShouldFlipTripWire(const line_t *ld)
{
// Flip tripwire textures when they are unpegged
// so the energy flows downward instead of upward, matching collision behavior
return (ld->tripwire && !(ld->flags & ML_MIDPEG));
}
//
// R_AddLine
// Clips the given segment and adds any visible pieces to the line list.

1
src/r_bsp.h
View file

@ -61,6 +61,7 @@ sector_t *R_FakeFlat(sector_t *sec, sector_t *tempsec, INT32 *floorlightlevel,
INT32 *ceilinglightlevel, boolean back);
boolean R_IsEmptyLine(seg_t *line, sector_t *front, sector_t *back);
boolean R_IsDebugLine(seg_t *line);
boolean R_ShouldFlipTripWire(const line_t *ld);
INT32 R_GetPlaneLight(sector_t *sector, fixed_t planeheight, boolean underside);
void R_Prep3DFloors(sector_t *sector);

10
src/r_segs.cpp
View file

@ -696,7 +696,7 @@ void R_RenderMaskedSegRange(drawseg_t *drawseg, INT32 x1, INT32 x2)
// are not stored per-column with post info in SRB2
if (textures[texnum]->holes)
{
if (textures[texnum]->flip & 2) // vertically flipped?
if ((textures[texnum]->flip & 2) || R_ShouldFlipTripWire(ldef)) // vertically flipped?
{
colfunc_2s = R_DrawFlippedMaskedColumn;
lengthcol = textures[texnum]->height;
@ -705,10 +705,18 @@ void R_RenderMaskedSegRange(drawseg_t *drawseg, INT32 x1, INT32 x2)
colfunc_2s = R_DrawMaskedColumn; // render the usual 2sided single-patch packed texture
}
else
{
if (R_ShouldFlipTripWire(ldef)) // Check for tripwire flip even for non-holey textures
{
colfunc_2s = R_DrawFlippedMaskedColumn;
lengthcol = textures[texnum]->height;
}
else
{
colfunc_2s = R_Render2sidedMultiPatchColumn; // render multipatch with no holes (no post_t info)
lengthcol = textures[texnum]->height;
}
}
maskedtexturecol = drawseg->maskedtexturecol;