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raze/source/core/thingdef_properties.cpp

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- added the flag parsing utilities.
2022-01-23 09:54:56 +00:00
/*
** thingdef-properties.cpp
**
** Actor denitions - properties and flags handling
**
**---------------------------------------------------------------------------
- made DCoreActor's properties functional. They cannot be parsed directly into the actor's sprite because that gets used in ways that require a different setup. This alsp adds a property parser and a setter function for the SpriteSet array. The idea here is to write code that does not need to use actual tile indices so it can later be refactored to real textures.
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** Copyright 2002-2022 Christoph Oelckers
- added the flag parsing utilities.
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** Copyright 2004-2007 Randy Heit
** All rights reserved.
**
** Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions
** are met:
**
** 1. Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** 2. Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in the
** documentation and/or other materials provided with the distribution.
** 3. The name of the author may not be used to endorse or promote products
** derived from this software without specific prior written permission.
**
** THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
** IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
** OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
** IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
** INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
** NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
** THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
**---------------------------------------------------------------------------
**
*/
#include "gi.h"
#include "filesystem.h"
#include "cmdlib.h"
#include "v_text.h"
#include "thingdef.h"
#include "vmbuilder.h"
#include "types.h"
#include "v_video.h"
#include "texturemanager.h"
#include "coreactor.h"
#include "thingdef.h"
//==========================================================================
//
// Gets a class pointer and performs an error check for correct type
//
//==========================================================================
static PClassActor *FindClassTentative(const char *name, PClass *ancestor, bool optional = false)
{
// "" and "none" mean 'no class'
if (name == NULL || *name == 0 || !stricmp(name, "none"))
{
return NULL;
}
PClass *cls = ancestor->FindClassTentative(name);
assert(cls != NULL); // cls can not be NULL here
if (!cls->IsDescendantOf(ancestor))
{
I_Error("%s does not inherit from %s\n", name, ancestor->TypeName.GetChars());
}
if (cls->Size == TentativeClass && optional)
{
cls->bOptional = true;
}
return static_cast<PClassActor *>(cls);
}
//==========================================================================
//
// Sets or clears a flag, taking field width into account.
//
//==========================================================================
void ModActorFlag(DCoreActor *actor, FFlagDef *fd, bool set)
{
- set a default bitmask for the cstat flags. These need to be combined with the flags from the map, so we need to know which ones are being used by the actor defaults.
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// if it's a CSTAT flag, mark it as protected so that map spawned actors do not override it.
if (fd->varflags & VARF_Protected)
{
static_cast<PClassActor*>(actor->GetClass())->ActorInfo()->DefaultCstat |= fd->flagbit;
}
- added the flag parsing utilities.
2022-01-23 09:54:56 +00:00
// Little-Endian machines only need one case, because all field sizes
// start at the same address. (Unless the machine has unaligned access
// exceptions, in which case you'll need multiple cases for it too.)
#ifdef __BIG_ENDIAN__
if (fd->fieldsize == 4)
#endif
{
uint32_t *flagvar = (uint32_t *)((char *)actor + fd->structoffset);
if (set)
{
*flagvar |= fd->flagbit;
}
else
{
*flagvar &= ~fd->flagbit;
}
}
#ifdef __BIG_ENDIAN__
else if (fd->fieldsize == 2)
{
uint16_t *flagvar = (uint16_t *)((char *)actor + fd->structoffset);
if (set)
{
*flagvar |= fd->flagbit;
}
else
{
*flagvar &= ~fd->flagbit;
}
}
else
{
assert(fd->fieldsize == 1);
uint8_t *flagvar = (uint8_t *)((char *)actor + fd->structoffset);
if (set)
{
*flagvar |= fd->flagbit;
}
else
{
*flagvar &= ~fd->flagbit;
}
}
#endif
}
//==========================================================================
//
// Finds a flag by name and sets or clears it
//
// Returns true if the flag was found for the actor; else returns false
//
//==========================================================================
bool ModActorFlag(DCoreActor *actor, const FString &flagname, bool set, bool printerror)
{
bool found = false;
if (actor != NULL)
{
const char *dot = strchr(flagname, '.');
FFlagDef *fd;
PClassActor* cls = static_cast<PClassActor*>(actor->GetClass());
if (dot != NULL)
{
FString part1(flagname.GetChars(), dot - flagname);
fd = FindFlag(cls, part1, dot + 1);
}
else
{
fd = FindFlag(cls, flagname, NULL);
}
if (fd != NULL)
{
found = true;
if (fd->structoffset == -1)
{
HandleDeprecatedFlags(actor, cls, set, fd->flagbit);
}
}
else if (printerror)
{
DPrintf(DMSG_ERROR, "ACS/DECORATE: '%s' is not a flag in '%s'\n", flagname.GetChars(), cls->TypeName.GetChars());
}
}
return found;
}
//==========================================================================
//
// Returns whether an actor flag is true or not.
//
//==========================================================================
INTBOOL CheckActorFlag(DCoreActor *owner, FFlagDef *fd)
{
if (fd->structoffset == -1)
{
return CheckDeprecatedFlags(owner, static_cast<PClassActor*>(owner->GetClass()), fd->flagbit);
}
else
#ifdef __BIG_ENDIAN__
if (fd->fieldsize == 4)
#endif
{
return fd->flagbit & *(uint32_t *)(((char*)owner) + fd->structoffset);
}
#ifdef __BIG_ENDIAN__
else if (fd->fieldsize == 2)
{
return fd->flagbit & *(uint16_t *)(((char*)owner) + fd->structoffset);
}
else
{
assert(fd->fieldsize == 1);
return fd->flagbit & *(uint8_t *)(((char*)owner) + fd->structoffset);
}
#endif
}
INTBOOL CheckActorFlag(DCoreActor *owner, const char *flagname, bool printerror)
{
const char *dot = strchr (flagname, '.');
FFlagDef *fd;
const PClass *cls = owner->GetClass();
if (dot != NULL)
{
FString part1(flagname, dot-flagname);
fd = FindFlag (cls, part1, dot+1);
}
else
{
fd = FindFlag (cls, flagname, NULL);
}
if (fd != NULL)
{
return CheckActorFlag(owner, fd);
}
else
{
if (printerror) Printf("Unknown flag '%s' in '%s'\n", flagname, cls->TypeName.GetChars());
return false;
}
}
//===========================================================================
//
// HandleDeprecatedFlags
//
// Handles the deprecated flags and sets the respective properties
// to appropriate values. This is solely intended for backwards
// compatibility so mixing this with code that is aware of the real
// properties is not recommended
//
//===========================================================================
void HandleDeprecatedFlags(DCoreActor *defaults, PClassActor *info, bool set, int index)
{
}
//===========================================================================
//
// CheckDeprecatedFlags
//
// Checks properties related to deprecated flags, and returns true only
// if the relevant properties are configured exactly as they would have
// been by setting the flag in HandleDeprecatedFlags.
//
//===========================================================================
bool CheckDeprecatedFlags(DCoreActor *actor, PClassActor *info, int index)
{
return false; // Any entirely unknown flag is not set
}
//==========================================================================
//
//
//
//==========================================================================
int MatchString (const char *in, const char **strings)
{
int i;
for (i = 0; *strings != NULL; i++)
{
if (!stricmp(in, *strings++))
{
return i;
}
}
return -1;
}
//==========================================================================
//
// Get access to scripted pointers.
// They need a bit more work than other variables.
//
//==========================================================================
static bool PointerCheck(PType *symtype, PType *checktype)
{
auto symptype = PType::toClassPointer(symtype);
auto checkptype = PType::toClassPointer(checktype);
return symptype != nullptr && checkptype != nullptr && symptype->ClassRestriction->IsDescendantOf(checkptype->ClassRestriction);
}
//==========================================================================
//
// Info Property handlers
//
//==========================================================================
- added the native property handlers for CoreActor.
2022-01-23 19:35:00 +00:00
//==========================================================================
//
- made DCoreActor's properties functional. They cannot be parsed directly into the actor's sprite because that gets used in ways that require a different setup. This alsp adds a property parser and a setter function for the SpriteSet array. The idea here is to write code that does not need to use actual tile indices so it can later be refactored to real textures.
2022-02-13 09:44:39 +00:00
// Default spritetype fields cannot be set directly
// they need to be combined with the data from the map, so they need to be
// stored outside the actual actor until the spawn code can init it.
- added the native property handlers for CoreActor.
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//
//==========================================================================
DEFINE_PROPERTY(pic, S, CoreActor)
{
PROP_STRING_PARM(str, 0);
- made DCoreActor's properties functional. They cannot be parsed directly into the actor's sprite because that gets used in ways that require a different setup. This alsp adds a property parser and a setter function for the SpriteSet array. The idea here is to write code that does not need to use actual tile indices so it can later be refactored to real textures.
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bag.Info->ActorInfo()->defsprite.picnum = TileFiles.tileForName(str);
if (bag.Info->ActorInfo()->defsprite.picnum == -1)
- added a name to tilenum function so that we can define picnums by name in scripted actors.
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{
I_Error("Unknown texture name '%s'", str);
}
- fixes bad assignments in the property parser. They were added to the wrong flag word.
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bag.Info->ActorInfo()->DefaultFlags |= DEFF_PICNUM;
- added the native property handlers for CoreActor.
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}
//==========================================================================
//
//==========================================================================
DEFINE_PROPERTY(statnum, I, CoreActor)
{
PROP_INT_PARM(i, 0);
- made DCoreActor's properties functional. They cannot be parsed directly into the actor's sprite because that gets used in ways that require a different setup. This alsp adds a property parser and a setter function for the SpriteSet array. The idea here is to write code that does not need to use actual tile indices so it can later be refactored to real textures.
2022-02-13 09:44:39 +00:00
bag.Info->ActorInfo()->defsprite.statnum = i;
- fixes bad assignments in the property parser. They were added to the wrong flag word.
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bag.Info->ActorInfo()->DefaultFlags |= DEFF_STATNUM;
- added the native property handlers for CoreActor.
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}
//==========================================================================
//
//==========================================================================
DEFINE_PROPERTY(angle, I, CoreActor)
{
PROP_INT_PARM(i, 0);
- use DAngle for actors Note that intangle needs to be kept - primarily for SW's ST tags.
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bag.Info->ActorInfo()->defsprite.angle = DAngle::fromDeg(i);
- fixes bad assignments in the property parser. They were added to the wrong flag word.
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bag.Info->ActorInfo()->DefaultFlags |= DEFF_ANG;
- added the native property handlers for CoreActor.
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}
//==========================================================================
//
//==========================================================================
DEFINE_PROPERTY(xvel, I, CoreActor)
{
PROP_INT_PARM(i, 0);
- made DCoreActor's properties functional. They cannot be parsed directly into the actor's sprite because that gets used in ways that require a different setup. This alsp adds a property parser and a setter function for the SpriteSet array. The idea here is to write code that does not need to use actual tile indices so it can later be refactored to real textures.
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bag.Info->ActorInfo()->defsprite.xvel = i;
- fixes bad assignments in the property parser. They were added to the wrong flag word.
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bag.Info->ActorInfo()->DefaultFlags |= DEFF_XVEL;
- added the native property handlers for CoreActor.
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}
//==========================================================================
//
//==========================================================================
DEFINE_PROPERTY(yvel, I, CoreActor)
{
PROP_INT_PARM(i, 0);
- made DCoreActor's properties functional. They cannot be parsed directly into the actor's sprite because that gets used in ways that require a different setup. This alsp adds a property parser and a setter function for the SpriteSet array. The idea here is to write code that does not need to use actual tile indices so it can later be refactored to real textures.
2022-02-13 09:44:39 +00:00
bag.Info->ActorInfo()->defsprite.yvel = i;
- fixes bad assignments in the property parser. They were added to the wrong flag word.
2022-08-16 21:29:54 +00:00
bag.Info->ActorInfo()->DefaultFlags |= DEFF_YVEL;
- added the native property handlers for CoreActor.
2022-01-23 19:35:00 +00:00
}
//==========================================================================
//
//==========================================================================
DEFINE_PROPERTY(zvel, I, CoreActor)
{
PROP_INT_PARM(i, 0);
- made DCoreActor's properties functional. They cannot be parsed directly into the actor's sprite because that gets used in ways that require a different setup. This alsp adds a property parser and a setter function for the SpriteSet array. The idea here is to write code that does not need to use actual tile indices so it can later be refactored to real textures.
2022-02-13 09:44:39 +00:00
bag.Info->ActorInfo()->defsprite.zvel = i;
- fixes bad assignments in the property parser. They were added to the wrong flag word.
2022-08-16 21:29:54 +00:00
bag.Info->ActorInfo()->DefaultFlags |= DEFF_ZVEL;
- added the native property handlers for CoreActor.
2022-01-23 19:35:00 +00:00
}
//==========================================================================
//
//==========================================================================
DEFINE_PROPERTY(lotag, I, CoreActor)
{
PROP_INT_PARM(i, 0);
- made DCoreActor's properties functional. They cannot be parsed directly into the actor's sprite because that gets used in ways that require a different setup. This alsp adds a property parser and a setter function for the SpriteSet array. The idea here is to write code that does not need to use actual tile indices so it can later be refactored to real textures.
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bag.Info->ActorInfo()->defsprite.lotag = i;
- fixes bad assignments in the property parser. They were added to the wrong flag word.
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bag.Info->ActorInfo()->DefaultFlags |= DEFF_LOTAG;
- added the native property handlers for CoreActor.
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}
//==========================================================================
//
//==========================================================================
DEFINE_PROPERTY(hitag, I, CoreActor)
{
PROP_INT_PARM(i, 0);
- made DCoreActor's properties functional. They cannot be parsed directly into the actor's sprite because that gets used in ways that require a different setup. This alsp adds a property parser and a setter function for the SpriteSet array. The idea here is to write code that does not need to use actual tile indices so it can later be refactored to real textures.
2022-02-13 09:44:39 +00:00
bag.Info->ActorInfo()->defsprite.lotag = i;
- fixes bad assignments in the property parser. They were added to the wrong flag word.
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bag.Info->ActorInfo()->DefaultFlags |= DEFF_HITAG;
- added the native property handlers for CoreActor.
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}
//==========================================================================
//
//==========================================================================
DEFINE_PROPERTY(extra, I, CoreActor)
{
PROP_INT_PARM(i, 0);
- made DCoreActor's properties functional. They cannot be parsed directly into the actor's sprite because that gets used in ways that require a different setup. This alsp adds a property parser and a setter function for the SpriteSet array. The idea here is to write code that does not need to use actual tile indices so it can later be refactored to real textures.
2022-02-13 09:44:39 +00:00
bag.Info->ActorInfo()->defsprite.lotag = i;
- fixes bad assignments in the property parser. They were added to the wrong flag word.
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bag.Info->ActorInfo()->DefaultFlags |= DEFF_EXTRA;
- added the native property handlers for CoreActor.
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}
//==========================================================================
//
//==========================================================================
DEFINE_PROPERTY(detail, I, CoreActor)
{
PROP_INT_PARM(i, 0);
- made DCoreActor's properties functional. They cannot be parsed directly into the actor's sprite because that gets used in ways that require a different setup. This alsp adds a property parser and a setter function for the SpriteSet array. The idea here is to write code that does not need to use actual tile indices so it can later be refactored to real textures.
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bag.Info->ActorInfo()->defsprite.detail = i;
- fixes bad assignments in the property parser. They were added to the wrong flag word.
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bag.Info->ActorInfo()->DefaultFlags |= DEFF_DETAIL;
- added the native property handlers for CoreActor.
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}
//==========================================================================
//
//==========================================================================
DEFINE_PROPERTY(shade, I, CoreActor)
{
PROP_INT_PARM(i, 0);
- made DCoreActor's properties functional. They cannot be parsed directly into the actor's sprite because that gets used in ways that require a different setup. This alsp adds a property parser and a setter function for the SpriteSet array. The idea here is to write code that does not need to use actual tile indices so it can later be refactored to real textures.
2022-02-13 09:44:39 +00:00
bag.Info->ActorInfo()->defsprite.shade = i;
- fixes bad assignments in the property parser. They were added to the wrong flag word.
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bag.Info->ActorInfo()->DefaultFlags |= DEFF_SHADE;
- added the native property handlers for CoreActor.
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}
//==========================================================================
//
//==========================================================================
DEFINE_PROPERTY(pal, I, CoreActor)
{
PROP_INT_PARM(i, 0);
- made DCoreActor's properties functional. They cannot be parsed directly into the actor's sprite because that gets used in ways that require a different setup. This alsp adds a property parser and a setter function for the SpriteSet array. The idea here is to write code that does not need to use actual tile indices so it can later be refactored to real textures.
2022-02-13 09:44:39 +00:00
bag.Info->ActorInfo()->defsprite.pal = i;
- fixes bad assignments in the property parser. They were added to the wrong flag word.
2022-08-16 21:29:54 +00:00
bag.Info->ActorInfo()->DefaultFlags |= DEFF_PAL;
- added the native property handlers for CoreActor.
2022-01-23 19:35:00 +00:00
}
//==========================================================================
//
//==========================================================================
DEFINE_PROPERTY(clipdist, I, CoreActor)
{
PROP_INT_PARM(i, 0);
- made DCoreActor's properties functional. They cannot be parsed directly into the actor's sprite because that gets used in ways that require a different setup. This alsp adds a property parser and a setter function for the SpriteSet array. The idea here is to write code that does not need to use actual tile indices so it can later be refactored to real textures.
2022-02-13 09:44:39 +00:00
bag.Info->ActorInfo()->defsprite.clipdist = i;
- fixes bad assignments in the property parser. They were added to the wrong flag word.
2022-08-16 21:29:54 +00:00
bag.Info->ActorInfo()->DefaultFlags |= DEFF_CLIPDIST;
- added the native property handlers for CoreActor.
2022-01-23 19:35:00 +00:00
}
//==========================================================================
//
//==========================================================================
DEFINE_PROPERTY(xrepeat, I, CoreActor)
{
PROP_INT_PARM(i, 0);
- made DCoreActor's properties functional. They cannot be parsed directly into the actor's sprite because that gets used in ways that require a different setup. This alsp adds a property parser and a setter function for the SpriteSet array. The idea here is to write code that does not need to use actual tile indices so it can later be refactored to real textures.
2022-02-13 09:44:39 +00:00
bag.Info->ActorInfo()->defsprite.xrepeat = i;
- fixes bad assignments in the property parser. They were added to the wrong flag word.
2022-08-16 21:29:54 +00:00
bag.Info->ActorInfo()->DefaultFlags |= DEFF_XREPEAT;
- added the native property handlers for CoreActor.
2022-01-23 19:35:00 +00:00
}
//==========================================================================
//
//==========================================================================
DEFINE_PROPERTY(yrepeat, I, CoreActor)
{
PROP_INT_PARM(i, 0);
- made DCoreActor's properties functional. They cannot be parsed directly into the actor's sprite because that gets used in ways that require a different setup. This alsp adds a property parser and a setter function for the SpriteSet array. The idea here is to write code that does not need to use actual tile indices so it can later be refactored to real textures.
2022-02-13 09:44:39 +00:00
bag.Info->ActorInfo()->defsprite.yrepeat = i;
- fixes bad assignments in the property parser. They were added to the wrong flag word.
2022-08-16 21:29:54 +00:00
bag.Info->ActorInfo()->DefaultFlags |= DEFF_YREPEAT;
- added the native property handlers for CoreActor.
2022-01-23 19:35:00 +00:00
}
//==========================================================================
//
//==========================================================================
DEFINE_PROPERTY(xoffset, I, CoreActor)
{
PROP_INT_PARM(i, 0);
- made DCoreActor's properties functional. They cannot be parsed directly into the actor's sprite because that gets used in ways that require a different setup. This alsp adds a property parser and a setter function for the SpriteSet array. The idea here is to write code that does not need to use actual tile indices so it can later be refactored to real textures.
2022-02-13 09:44:39 +00:00
bag.Info->ActorInfo()->defsprite.xoffset = i;
- fixes bad assignments in the property parser. They were added to the wrong flag word.
2022-08-16 21:29:54 +00:00
bag.Info->ActorInfo()->DefaultFlags |= DEFF_XOFFSET;
- added the native property handlers for CoreActor.
2022-01-23 19:35:00 +00:00
}
//==========================================================================
//
//==========================================================================
DEFINE_PROPERTY(yoffset, I, CoreActor)
{
PROP_INT_PARM(i, 0);
- made DCoreActor's properties functional. They cannot be parsed directly into the actor's sprite because that gets used in ways that require a different setup. This alsp adds a property parser and a setter function for the SpriteSet array. The idea here is to write code that does not need to use actual tile indices so it can later be refactored to real textures.
2022-02-13 09:44:39 +00:00
bag.Info->ActorInfo()->defsprite.yoffset = i;
- fixes bad assignments in the property parser. They were added to the wrong flag word.
2022-08-16 21:29:54 +00:00
bag.Info->ActorInfo()->DefaultFlags |= DEFF_YOFFSET;
- added the native property handlers for CoreActor.
2022-01-23 19:35:00 +00:00
}
//==========================================================================
//
//==========================================================================
DEFINE_PROPERTY(owner, I, CoreActor)
{
PROP_INT_PARM(i, 0);
-renamed spritetype’s owner field to ‚intowner‘ Mainly for easier searching. Also remove the duplicate ‚detail‘ field.
2022-05-23 22:30:41 +00:00
bag.Info->ActorInfo()->defsprite.intowner = i;
- fixes bad assignments in the property parser. They were added to the wrong flag word.
2022-08-16 21:29:54 +00:00
bag.Info->ActorInfo()->DefaultFlags |= DEFF_OWNER;
- added the native property handlers for CoreActor.
2022-01-23 19:35:00 +00:00
}
- made DCoreActor's properties functional. They cannot be parsed directly into the actor's sprite because that gets used in ways that require a different setup. This alsp adds a property parser and a setter function for the SpriteSet array. The idea here is to write code that does not need to use actual tile indices so it can later be refactored to real textures.
2022-02-13 09:44:39 +00:00
//==========================================================================
//
//==========================================================================
DEFINE_PROPERTY(spriteset, Ssssssssssssssssssss, CoreActor)
{
info->ActorInfo()->SpriteSet.Clear();
for (int i = 0; i < PROP_PARM_COUNT; ++i)
{
PROP_STRING_PARM(n, i);
int picnum = TileFiles.tileForName(n);
if (picnum == -1)
{
I_Error("Unknown texture name '%s'", n);
}
info->ActorInfo()->SpriteSet.Push(picnum);
}
}
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