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https://github.com/ZDoom/qzdoom.git
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0e19a0e330
When set, the actor will run this state during its first tick. This means Spawn states may now run an action function if you set this flag. Note that this action function is executed during the actor's first tick, which is not the same as when it is spawned. SVN r4240 (trunk)
437 lines
14 KiB
C++
437 lines
14 KiB
C++
#ifndef __THINGDEF_H
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#define __THINGDEF_H
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#include "doomtype.h"
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#include "info.h"
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#include "s_sound.h"
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#include "sc_man.h"
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#include "cmdlib.h"
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class FScanner;
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//==========================================================================
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//
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// A flag descriptor
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//
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//==========================================================================
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struct FFlagDef
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{
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unsigned int flagbit;
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const char *name;
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int structoffset;
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};
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FFlagDef *FindFlag (const PClass *type, const char *part1, const char *part2);
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void HandleDeprecatedFlags(AActor *defaults, FActorInfo *info, bool set, int index);
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bool CheckDeprecatedFlags(AActor *actor, FActorInfo *info, int index);
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const char *GetFlagName(unsigned int flagnum, int flagoffset);
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#define FLAG_NAME(flagnum, flagvar) GetFlagName(flagnum, myoffsetof(AActor, flagvar))
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//==========================================================================
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//
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// State parser
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//
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//==========================================================================
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class FxExpression;
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struct FStateLabels;
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enum EStateDefineFlags
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{
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SDF_NEXT = 0,
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SDF_STATE = 1,
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SDF_STOP = 2,
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SDF_WAIT = 3,
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SDF_LABEL = 4,
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SDF_INDEX = 5,
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SDF_MASK = 7,
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SDF_DEHACKED = 8, // Identify a state as having been modified by a dehacked lump
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};
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struct FStateDefine
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{
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FName Label;
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TArray<FStateDefine> Children;
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FState *State;
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BYTE DefineFlags;
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};
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class FStateDefinitions
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{
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TArray<FStateDefine> StateLabels;
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FState *laststate;
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FState *laststatebeforelabel;
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intptr_t lastlabel;
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TArray<FState> StateArray;
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static FStateDefine *FindStateLabelInList(TArray<FStateDefine> &list, FName name, bool create);
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static FStateLabels *CreateStateLabelList(TArray<FStateDefine> &statelist);
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static void MakeStateList(const FStateLabels *list, TArray<FStateDefine> &dest);
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static void RetargetStatePointers (intptr_t count, const char *target, TArray<FStateDefine> & statelist);
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FStateDefine *FindStateAddress(const char *name);
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FState *FindState(const char *name);
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FState *ResolveGotoLabel (AActor *actor, const PClass *mytype, char *name);
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static void FixStatePointers (FActorInfo *actor, TArray<FStateDefine> & list);
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void ResolveGotoLabels (FActorInfo *actor, AActor *defaults, TArray<FStateDefine> & list);
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public:
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FStateDefinitions()
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{
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laststate = NULL;
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laststatebeforelabel = NULL;
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lastlabel = -1;
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}
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void SetStateLabel (const char * statename, FState * state, BYTE defflags = SDF_STATE);
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void AddStateLabel (const char * statename);
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int GetStateLabelIndex (FName statename);
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void InstallStates(FActorInfo *info, AActor *defaults);
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int FinishStates (FActorInfo *actor, AActor *defaults);
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void MakeStateDefines(const PClass *cls);
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void AddStateDefines(const FStateLabels *list);
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void RetargetStates (intptr_t count, const char *target);
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bool SetGotoLabel(const char *string);
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bool SetStop();
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bool SetWait();
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bool SetLoop();
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bool AddStates(FState *state, const char *framechars);
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int GetStateCount() const { return StateArray.Size(); }
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};
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//==========================================================================
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//
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//
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//
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//==========================================================================
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struct FStateExpression
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{
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FxExpression *expr;
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const PClass *owner;
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bool constant;
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bool cloned;
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};
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class FStateExpressions
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{
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TArray<FStateExpression> expressions;
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public:
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~FStateExpressions() { Clear(); }
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void Clear();
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int Add(FxExpression *x, const PClass *o, bool c);
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int Reserve(int num, const PClass *cls);
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void Set(int num, FxExpression *x, bool cloned = false);
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void Copy(int dest, int src, int cnt);
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int ResolveAll();
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FxExpression *Get(int no);
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unsigned int Size() { return expressions.Size(); }
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};
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extern FStateExpressions StateParams;
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//==========================================================================
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//
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// Extra info maintained while defining an actor.
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//
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//==========================================================================
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struct FDropItem;
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struct Baggage
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{
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#ifdef _DEBUG
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FString ClassName; // This is here so that during debugging the class name can be seen
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#endif
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FActorInfo *Info;
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bool DropItemSet;
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bool StateSet;
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int CurrentState;
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int Lumpnum;
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FStateDefinitions statedef;
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FDropItem *DropItemList;
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FScriptPosition ScriptPosition;
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};
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inline void ResetBaggage (Baggage *bag, const PClass *stateclass)
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{
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bag->DropItemList = NULL;
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bag->DropItemSet = false;
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bag->CurrentState = 0;
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bag->StateSet = false;
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bag->statedef.MakeStateDefines(stateclass);
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}
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//==========================================================================
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//
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// Action function lookup
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//
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//==========================================================================
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struct AFuncDesc
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{
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const char *Name;
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actionf_p Function;
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};
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AFuncDesc *FindFunction(const char * string);
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void ParseStates(FScanner &sc, FActorInfo *actor, AActor *defaults, Baggage &bag);
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PSymbolActionFunction *FindGlobalActionFunction(const char *name);
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//==========================================================================
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//
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// Property parser
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//
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//==========================================================================
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FActorInfo *CreateNewActor(const FScriptPosition &sc, FName typeName, FName parentName, bool native);
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void SetReplacement(FScanner &sc, FActorInfo *info, FName replaceName);
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void HandleActorFlag(FScanner &sc, Baggage &bag, const char *part1, const char *part2, int mod);
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void FinishActor(const FScriptPosition &sc, FActorInfo *info, Baggage &bag);
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FxExpression *ParseParameter(FScanner &sc, PClass *cls, char type, bool constant);
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enum
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{
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DEPF_UNUSED,
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DEPF_FIREDAMAGE,
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DEPF_ICEDAMAGE,
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DEPF_LOWGRAVITY,
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DEPF_LONGMELEERANGE,
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DEPF_SHORTMISSILERANGE,
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DEPF_PICKUPFLASH,
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DEPF_QUARTERGRAVITY,
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DEPF_FIRERESIST,
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DEPF_HERETICBOUNCE,
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DEPF_HEXENBOUNCE,
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DEPF_DOOMBOUNCE,
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DEPF_INTERHUBSTRIP,
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};
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enum
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{
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ACMETA_BASE = 0x83000,
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ACMETA_DropItems, // Int (index into DropItemList)
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ACMETA_ExplosionDamage,
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ACMETA_ExplosionRadius,
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ACMETA_DontHurtShooter,
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ACMETA_MeleeSound,
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ACMETA_MeleeDamage,
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ACMETA_MissileName,
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ACMETA_MissileHeight,
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ACMETA_Lump,
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};
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// Types of old style decorations
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enum EDefinitionType
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{
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DEF_Decoration,
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DEF_BreakableDecoration,
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DEF_Pickup,
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DEF_Projectile,
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};
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#if defined(_MSC_VER)
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#pragma data_seg(".areg$u")
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#pragma data_seg(".greg$u")
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#pragma data_seg(".mreg$u")
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#pragma data_seg()
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#define MSVC_ASEG __declspec(allocate(".areg$u"))
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#define GCC_ASEG
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#define MSVC_PSEG __declspec(allocate(".greg$u"))
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#define GCC_PSEG
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#define MSVC_MSEG __declspec(allocate(".mreg$u"))
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#define GCC_MSEG
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#else
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#define MSVC_ASEG
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#define GCC_ASEG __attribute__((section(SECTION_AREG)))
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#define MSVC_PSEG
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#define GCC_PSEG __attribute__((section(SECTION_GREG)))
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#define MSVC_MSEG
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#define GCC_MSEG __attribute__((section(SECTION_MREG)))
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#endif
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union FPropParam
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{
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int i;
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float f;
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const char *s;
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};
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typedef void (*PropHandler)(AActor *defaults, FActorInfo *info, Baggage &bag, FPropParam *params);
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enum ECategory
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{
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CAT_PROPERTY, // Inheritable property
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CAT_INFO // non-inheritable info (spawn ID, Doomednum, game filter, conversation ID)
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};
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struct FPropertyInfo
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{
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const char *name;
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const char *params;
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const PClass *cls;
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PropHandler Handler;
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int category;
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};
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struct FVariableInfo
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{
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const char *name;
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intptr_t address;
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const PClass *owner;
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};
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FPropertyInfo *FindProperty(const char * string);
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FVariableInfo *FindVariable(const char * string, const PClass *cls);
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int MatchString (const char *in, const char **strings);
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#define DEFINE_PROPERTY_BASE(name, paramlist, clas, cat) \
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static void Handler_##name##_##paramlist##_##clas(A##clas *defaults, FActorInfo *info, Baggage &bag, FPropParam *params); \
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static FPropertyInfo Prop_##name##_##paramlist##_##clas = \
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{ #name, #paramlist, RUNTIME_CLASS(A##clas), (PropHandler)Handler_##name##_##paramlist##_##clas, cat }; \
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MSVC_PSEG FPropertyInfo *infoptr_##name##_##paramlist##_##clas GCC_PSEG = &Prop_##name##_##paramlist##_##clas; \
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static void Handler_##name##_##paramlist##_##clas(A##clas *defaults, FActorInfo *info, Baggage &bag, FPropParam *params)
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#define DEFINE_PREFIXED_PROPERTY_BASE(prefix, name, paramlist, clas, cat) \
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static void Handler_##name##_##paramlist##_##clas(A##clas *defaults, FActorInfo *info, Baggage &bag, FPropParam *params); \
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static FPropertyInfo Prop_##name##_##paramlist##_##clas = \
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{ #prefix"."#name, #paramlist, RUNTIME_CLASS(A##clas), (PropHandler)Handler_##name##_##paramlist##_##clas, cat }; \
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MSVC_PSEG FPropertyInfo *infoptr_##name##_##paramlist##_##clas GCC_PSEG = &Prop_##name##_##paramlist##_##clas; \
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static void Handler_##name##_##paramlist##_##clas(A##clas *defaults, FActorInfo *info, Baggage &bag, FPropParam *params)
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#define DEFINE_PROPERTY(name, paramlist, clas) DEFINE_PROPERTY_BASE(name, paramlist, clas, CAT_PROPERTY)
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#define DEFINE_INFO_PROPERTY(name, paramlist, clas) DEFINE_PROPERTY_BASE(name, paramlist, clas, CAT_INFO)
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#define DEFINE_CLASS_PROPERTY(name, paramlist, clas) DEFINE_PREFIXED_PROPERTY_BASE(clas, name, paramlist, clas, CAT_PROPERTY)
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#define DEFINE_CLASS_PROPERTY_PREFIX(prefix, name, paramlist, clas) DEFINE_PREFIXED_PROPERTY_BASE(prefix, name, paramlist, clas, CAT_PROPERTY)
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#define PROP_PARM_COUNT (params[0].i)
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#define PROP_STRING_PARM(var, no) \
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const char *var = params[(no)+1].s;
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#define PROP_INT_PARM(var, no) \
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int var = params[(no)+1].i;
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#define PROP_FLOAT_PARM(var, no) \
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float var = params[(no)+1].f;
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#define PROP_FIXED_PARM(var, no) \
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fixed_t var = fixed_t(params[(no)+1].f * FRACUNIT);
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#define PROP_COLOR_PARM(var, no) \
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int var = params[(no)+1].i== 0? params[(no)+2].i : V_GetColor(NULL, params[(no)+2].s);
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#define DEFINE_GLOBAL_VARIABLE(name) \
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static FVariableInfo GlobalDef__##name = { #name, intptr_t(&name), NULL }; \
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MSVC_MSEG FVariableInfo *infoptr_GlobalDef__##name GCC_MSEG = &GlobalDef__##name;
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#define DEFINE_MEMBER_VARIABLE(name, cls) \
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static FVariableInfo GlobalDef__##name = { #name, myoffsetof(cls, name), RUNTIME_CLASS(cls) }; \
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MSVC_MSEG FVariableInfo *infoptr_GlobalDef__##name GCC_MSEG = &GlobalDef__##name;
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#define DEFINE_MEMBER_VARIABLE_ALIAS(name, alias, cls) \
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static FVariableInfo GlobalDef__##name = { #name, myoffsetof(cls, alias), RUNTIME_CLASS(cls) }; \
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MSVC_MSEG FVariableInfo *infoptr_GlobalDef__##name GCC_MSEG = &GlobalDef__##name;
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struct StateCallData
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{
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FState *State;
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bool Result;
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};
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// Macros to handle action functions. These are here so that I don't have to
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// change every single use in case the parameters change.
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#define DECLARE_ACTION(name) void AF_##name(AActor *self, AActor *stateowner, FState *, int, StateCallData *);
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#define DECLARE_ACTION_PARAMS(name) void AFP_##name(AActor *self, AActor *stateowner, FState *, int, StateCallData *);
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// This distinction is here so that CALL_ACTION produces errors when trying to
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// access a function that requires parameters.
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#define DEFINE_ACTION_FUNCTION(cls, name) \
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void AF_##name (AActor *self, AActor *stateowner, FState *, int, StateCallData *); \
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static AFuncDesc info_##cls##_##name = { #name, AF_##name }; \
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MSVC_ASEG AFuncDesc *infoptr_##cls##_##name GCC_ASEG = &info_##cls##_##name; \
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void AF_##name (AActor *self, AActor *stateowner, FState *, int, StateCallData *statecall)
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#define DEFINE_ACTION_FUNCTION_PARAMS(cls, name) \
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void AFP_##name (AActor *self, AActor *stateowner, FState *CallingState, int ParameterIndex, StateCallData *statecall); \
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static AFuncDesc info_##cls##_##name = { #name, AFP_##name }; \
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MSVC_ASEG AFuncDesc *infoptr_##cls##_##name GCC_ASEG = &info_##cls##_##name; \
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void AFP_##name (AActor *self, AActor *stateowner, FState *CallingState, int ParameterIndex, StateCallData *statecall)
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#define DECLARE_PARAMINFO AActor *self, AActor *stateowner, FState *CallingState, int ParameterIndex, StateCallData *statecall
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#define PUSH_PARAMINFO self, stateowner, CallingState, ParameterIndex, statecall
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#define CALL_ACTION(name,self) AF_##name(self, self, NULL, 0, NULL)
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int EvalExpressionI (DWORD x, AActor *self);
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int EvalExpressionCol (DWORD x, AActor *self);
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FSoundID EvalExpressionSnd (DWORD x, AActor *self);
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double EvalExpressionF (DWORD x, AActor *self);
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fixed_t EvalExpressionFix (DWORD x, AActor *self);
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FState *EvalExpressionState (DWORD x, AActor *self);
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const PClass *EvalExpressionClass (DWORD x, AActor *self);
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FName EvalExpressionName (DWORD x, AActor *self);
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#define ACTION_PARAM_START(count)
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#define ACTION_PARAM_INT(var, i) \
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int var = EvalExpressionI(ParameterIndex+i, self);
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#define ACTION_PARAM_BOOL(var,i) \
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bool var = !!EvalExpressionI(ParameterIndex+i, self);
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#define ACTION_PARAM_FIXED(var,i) \
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fixed_t var = EvalExpressionFix(ParameterIndex+i, self);
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#define ACTION_PARAM_FLOAT(var,i) \
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float var = float(EvalExpressionF(ParameterIndex+i, self));
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#define ACTION_PARAM_DOUBLE(var,i) \
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double var = EvalExpressionF(ParameterIndex+i, self);
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#define ACTION_PARAM_CLASS(var,i) \
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const PClass *var = EvalExpressionClass(ParameterIndex+i, self);
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#define ACTION_PARAM_STATE(var,i) \
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FState *var = EvalExpressionState(ParameterIndex+i, stateowner);
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#define ACTION_PARAM_COLOR(var,i) \
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PalEntry var = EvalExpressionCol(ParameterIndex+i, self);
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#define ACTION_PARAM_SOUND(var,i) \
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FSoundID var = EvalExpressionSnd(ParameterIndex+i, self);
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#define ACTION_PARAM_STRING(var,i) \
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const char *var = EvalExpressionName(ParameterIndex+i, self);
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#define ACTION_PARAM_NAME(var,i) \
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FName var = EvalExpressionName(ParameterIndex+i, self);
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#define ACTION_PARAM_ANGLE(var,i) \
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angle_t var = angle_t(EvalExpressionF(ParameterIndex+i, self)*ANGLE_90/90.f);
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#define ACTION_SET_RESULT(v) if (statecall != NULL) statecall->Result = v;
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// Checks to see what called the current action function
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#define ACTION_CALL_FROM_ACTOR() (CallingState == self->state)
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#define ACTION_CALL_FROM_WEAPON() (self->player && CallingState != self->state && statecall == NULL)
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#define ACTION_CALL_FROM_INVENTORY() (statecall != NULL)
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#endif
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