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Support setting two frames per lump for long sprites

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This commit is contained in:
LJ Sonic 2024-04-04 00:06:33 +02:00
parent 22106ef8b1
commit 8a6b5d7c0f
1 changed files with 39 additions and 8 deletions
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47
src/r_things.c
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@ -278,17 +278,20 @@ static boolean GetFramesAndRotationsFromShortLumpName(
return true;
}
static boolean GetFramesAndRotationsFromLongLumpName(
static boolean GetSingleFrameAndRotation(
const char *name,
size_t len,
INT32 *ret_frame,
UINT8 *ret_rotation,
INT32 *ret_frame2,
UINT8 *ret_rotation2
UINT8 *ret_rotation
)
{
const char *underscore = strchr(name, '_');
size_t framelen = underscore ? (size_t)(underscore - name) : strlen(name);
// Found but past the part of the name we are parsing
if ((size_t)(underscore - name) >= len)
underscore = NULL;
size_t framelen = underscore ? (size_t)(underscore - name) : len;
if (framelen < 1 || framelen > 4)
return false;
@ -304,8 +307,36 @@ static boolean GetFramesAndRotationsFromLongLumpName(
if (*ret_frame >= MAXFRAMENUM || *ret_rotation == 255)
return false;
*ret_frame2 = -1;
*ret_rotation2 = 255;
return true;
}
static boolean GetFramesAndRotationsFromLongLumpName(
const char *name,
INT32 *ret_frame,
UINT8 *ret_rotation,
INT32 *ret_frame2,
UINT8 *ret_rotation2
)
{
const char *plus = strchr(name, '+');
if (plus)
{
size_t len1 = plus - name;
if (!GetSingleFrameAndRotation(name, len1, ret_frame, ret_rotation))
return false;
if (!GetSingleFrameAndRotation(plus + 1, strlen(name) - len1 - 1, ret_frame2, ret_rotation2))
return false;
}
else
{
if (!GetSingleFrameAndRotation(name, strlen(name), ret_frame, ret_rotation))
return false;
*ret_frame2 = -1;
*ret_rotation2 = 255;
}
return true;
}
@ -444,7 +475,7 @@ boolean R_AddSingleSpriteDef(const char *sprname, spritedef_t *spritedef, UINT16
UINT8 rotation, rotation2;
boolean good = longname ?
GetFramesAndRotationsFromLongLumpName(lumpinfo[l].name, &frame, &rotation, &frame2, &rotation2) :
GetFramesAndRotationsFromLongLumpName(lumpinfo[l].longname, &frame, &rotation, &frame2, &rotation2) :
GetFramesAndRotationsFromShortLumpName(lumpinfo[l].name, &frame, &rotation, &frame2, &rotation2);
if (!good) // Give an actual NAME error -_-...