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Add compat flag to disable compat sprite rotation

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This is to accmodate skins that place skins in the range of drift rnage unrotated ie simple animal skins such as pepsiman or ShadowSkates
This commit is contained in:
NepDisk 2026-04-23 12:59:14 -04:00
parent b9553e4c9e
commit e3664a1cca
2 changed files with 35 additions and 29 deletions
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1
src/d_player.h
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@ -38,6 +38,7 @@ typedef enum
{
SF_MACHINE = 1, // Beep boop. Are you a robot?
SF_OLDDEATH = 1<<1, // Kart V1 styled death animation
SF_NOCOMPATROTATE = 1<<2, // Kart V1 skins that should not be rotated (simple animal, etc)
// free up to and including 1<<31
} skinflags_t;

63
src/r_skins.c
View file

@ -11,6 +11,7 @@
/// \file r_skins.c
/// \brief Loading skins
#include "d_player.h"
#include "doomdef.h"
#include "console.h"
#include "g_game.h"
@ -927,40 +928,43 @@ static void R_LoadSkinSprites(UINT16 wadnum, UINT16 *lump, UINT16 *lastlump, ski
Z_Free(tmp.spriteframes);
#undef SPR2COUNT
// now we have to rotate the drift frames. i hate this.
sd = &skin->sprites[SPR2_DRRN];
for (i = 0; i < sd->numframes; i++)
if (!(skin->flags & SF_NOCOMPATROTATE))
{
sf = &sd->spriteframes[i];
if (sf->rotate != SRF_3D)
continue;
lumpnum_t lastpat = sf->lumppat[7];
size_t lastid = sf->lumpid[7];
for (int r = 7; r >= 1; r--)
// now we have to rotate the drift frames. i hate this.
sd = &skin->sprites[SPR2_DRRN];
for (i = 0; i < sd->numframes; i++)
{
sf->lumppat[r] = sf->lumppat[r-1];
sf->lumpid[r] = sf->lumpid[r-1];
sf = &sd->spriteframes[i];
if (sf->rotate != SRF_3D)
continue;
lumpnum_t lastpat = sf->lumppat[7];
size_t lastid = sf->lumpid[7];
for (int r = 7; r >= 1; r--)
{
sf->lumppat[r] = sf->lumppat[r-1];
sf->lumpid[r] = sf->lumpid[r-1];
}
sf->lumppat[0] = lastpat;
sf->lumpid[0] = lastid;
sf->flip = (sf->flip & 0xff00) | ((sf->flip & 0x80) >> 7) | ((sf->flip & 0x7f) << 1);
}
sf->lumppat[0] = lastpat;
sf->lumpid[0] = lastid;
sf->flip = (sf->flip & 0xff00) | ((sf->flip & 0x80) >> 7) | ((sf->flip & 0x7f) << 1);
}
sd = &skin->sprites[SPR2_DRLN];
for (i = 0; i < sd->numframes; i++)
{
sf = &sd->spriteframes[i];
if (sf->rotate != SRF_3D)
continue;
lumpnum_t firstpat = sf->lumppat[0];
size_t firstid = sf->lumpid[0];
for (int r = 0; r < 8; r++)
sd = &skin->sprites[SPR2_DRLN];
for (i = 0; i < sd->numframes; i++)
{
sf->lumppat[r] = sf->lumppat[r+1];
sf->lumpid[r] = sf->lumpid[r+1];
sf = &sd->spriteframes[i];
if (sf->rotate != SRF_3D)
continue;
lumpnum_t firstpat = sf->lumppat[0];
size_t firstid = sf->lumpid[0];
for (int r = 0; r < 8; r++)
{
sf->lumppat[r] = sf->lumppat[r+1];
sf->lumpid[r] = sf->lumpid[r+1];
}
sf->lumppat[7] = firstpat;
sf->lumpid[7] = firstid;
sf->flip = (sf->flip & 0xff00) | ((sf->flip & 0x01) << 7) | ((sf->flip & 0xfe) >> 1);
}
sf->lumppat[7] = firstpat;
sf->lumpid[7] = firstid;
sf->flip = (sf->flip & 0xff00) | ((sf->flip & 0x01) << 7) | ((sf->flip & 0xfe) >> 1);
}
R_AddKartFaces(skin);
@ -1139,6 +1143,7 @@ static boolean R_ProcessPatchableFields(skin_t *skin, char *stoken, char *value)
// 1, true, yes are all valid values
GETFLAG(MACHINE)
GETFLAG(OLDDEATH)
GETFLAG(NOCOMPATROTATE)
#undef GETFLAG
#define GETPATCH(field) else if (compat && fasticmp(stoken, #field)) strncpy(skin->field, value, 8);