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703 lines
20 KiB
C++
703 lines
20 KiB
C++
/*
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** decorations.cpp
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** Loads custom actors out of DECORATE lumps.
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**
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**---------------------------------------------------------------------------
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** Copyright 2002-2006 Randy Heit
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** All rights reserved.
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**
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** Redistribution and use in source and binary forms, with or without
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** modification, are permitted provided that the following conditions
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** are met:
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**
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** 1. Redistributions of source code must retain the above copyright
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** notice, this list of conditions and the following disclaimer.
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** 2. Redistributions in binary form must reproduce the above copyright
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** notice, this list of conditions and the following disclaimer in the
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** documentation and/or other materials provided with the distribution.
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** 3. The name of the author may not be used to endorse or promote products
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** derived from this software without specific prior written permission.
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**
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** THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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** IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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** OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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** IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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** INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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** NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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** THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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**---------------------------------------------------------------------------
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**
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*/
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// HEADER FILES ------------------------------------------------------------
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#include "actor.h"
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#include "info.h"
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#include "sc_man.h"
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#include "tarray.h"
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#include "templates.h"
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#include "r_defs.h"
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#include "r_draw.h"
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#include "a_pickups.h"
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#include "s_sound.h"
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#include "cmdlib.h"
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#include "p_lnspec.h"
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#include "a_action.h"
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#include "decallib.h"
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#include "i_system.h"
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#include "thingdef.h"
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#include "r_translate.h"
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// TYPES -------------------------------------------------------------------
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struct FExtraInfo
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{
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char DeathSprite[5];
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unsigned int SpawnStart, SpawnEnd;
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unsigned int DeathStart, DeathEnd;
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unsigned int IceDeathStart, IceDeathEnd;
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unsigned int FireDeathStart, FireDeathEnd;
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bool bSolidOnDeath, bSolidOnBurn;
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bool bBurnAway, bDiesAway, bGenericIceDeath;
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bool bExplosive;
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fixed_t DeathHeight, BurnHeight;
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};
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class AFakeInventory : public AInventory
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{
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DECLARE_CLASS (AFakeInventory, AInventory);
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public:
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bool Respawnable;
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bool ShouldRespawn ()
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{
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return Respawnable && Super::ShouldRespawn();
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}
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bool TryPickup (AActor *&toucher)
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{
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INTBOOL success = LineSpecials[special] (NULL, toucher, false,
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args[0], args[1], args[2], args[3], args[4]);
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if (success)
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{
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GoAwayAndDie ();
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return true;
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}
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return false;
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}
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void DoPickupSpecial (AActor *toucher)
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{
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// The special was already executed by TryPickup, so do nothing here
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}
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};
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IMPLEMENT_CLASS (AFakeInventory)
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// PUBLIC FUNCTION PROTOTYPES ----------------------------------------------
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PSymbolActionFunction *FindGlobalActionFunction(const char *name);
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// PRIVATE FUNCTION PROTOTYPES ---------------------------------------------
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static void ParseInsideDecoration (Baggage &bag, AActor *defaults,
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FExtraInfo &extra, EDefinitionType def, FScanner &sc);
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static void ParseSpriteFrames (FActorInfo *info, TArray<FState> &states, FScanner &sc);
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// PRIVATE DATA DEFINITIONS ------------------------------------------------
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static const char *RenderStyles[] =
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{
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"STYLE_None",
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"STYLE_Normal",
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"STYLE_Fuzzy",
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"STYLE_SoulTrans",
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"STYLE_OptFuzzy",
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"STYLE_Stencil",
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"STYLE_Translucent",
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"STYLE_Add",
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//"STYLE_Shaded",
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NULL
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};
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// CODE --------------------------------------------------------------------
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//==========================================================================
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//
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// ParseOldDecoration
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//
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// Reads an old style decoration object
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//
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//==========================================================================
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void ParseOldDecoration(FScanner &sc, EDefinitionType def)
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{
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Baggage bag;
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FExtraInfo extra;
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FActorInfo *info;
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PClass *type;
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PClass *parent;
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FName typeName;
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if (def == DEF_Pickup) parent = RUNTIME_CLASS(AFakeInventory);
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else parent = RUNTIME_CLASS(AActor);
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sc.MustGetString();
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typeName = FName(sc.String);
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type = parent->CreateDerivedClass (typeName, parent->Size);
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ResetBaggage(&bag, parent);
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info = bag.Info = type->ActorInfo;
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#ifdef _DEBUG
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bag.ClassName = type->TypeName;
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#endif
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info->GameFilter = GAME_Any;
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sc.MustGetStringName("{");
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memset (&extra, 0, sizeof(extra));
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ParseInsideDecoration (bag, (AActor *)(type->Defaults), extra, def, sc);
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bag.Info->NumOwnedStates = bag.StateArray.Size();
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if (bag.Info->NumOwnedStates == 0)
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{
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sc.ScriptError ("%s does not define any animation frames", typeName.GetChars() );
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}
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else if (extra.SpawnEnd == 0)
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{
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sc.ScriptError ("%s does not have a Frames definition", typeName.GetChars() );
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}
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else if (def == DEF_BreakableDecoration && extra.DeathEnd == 0)
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{
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sc.ScriptError ("%s does not have a DeathFrames definition", typeName.GetChars() );
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}
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else if (extra.IceDeathEnd != 0 && extra.bGenericIceDeath)
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{
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sc.ScriptError ("You cannot use IceDeathFrames and GenericIceDeath together");
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}
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if (extra.IceDeathEnd != 0)
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{
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// Make a copy of the final frozen frame for A_FreezeDeathChunks
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FState icecopy = bag.StateArray[extra.IceDeathEnd-1];
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bag.StateArray.Push (icecopy);
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info->NumOwnedStates += 1;
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}
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info->OwnedStates = new FState[info->NumOwnedStates];
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memcpy (info->OwnedStates, &bag.StateArray[0], info->NumOwnedStates * sizeof(info->OwnedStates[0]));
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if (info->NumOwnedStates == 1)
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{
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info->OwnedStates->Tics = -1;
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info->OwnedStates->Misc1 = 0;
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}
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else
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{
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size_t i;
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// Spawn states loop endlessly
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for (i = extra.SpawnStart; i < extra.SpawnEnd-1; ++i)
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{
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info->OwnedStates[i].NextState = &info->OwnedStates[i+1];
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}
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info->OwnedStates[i].NextState = &info->OwnedStates[extra.SpawnStart];
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// Death states are one-shot and freeze on the final state
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if (extra.DeathEnd != 0)
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{
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for (i = extra.DeathStart; i < extra.DeathEnd-1; ++i)
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{
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info->OwnedStates[i].NextState = &info->OwnedStates[i+1];
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}
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if (extra.bDiesAway || def == DEF_Projectile)
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{
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info->OwnedStates[i].NextState = NULL;
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}
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else
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{
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info->OwnedStates[i].Tics = -1;
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info->OwnedStates[i].Misc1 = 0;
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}
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if (def == DEF_Projectile)
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{
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if (extra.bExplosive)
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{
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info->OwnedStates[extra.DeathStart].SetAction(FindGlobalActionFunction("A_Explode"));
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}
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}
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else
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{
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// The first frame plays the death sound and
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// the second frame makes it nonsolid.
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info->OwnedStates[extra.DeathStart].SetAction(FindGlobalActionFunction("A_Scream"));
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if (extra.bSolidOnDeath)
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{
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}
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else if (extra.DeathStart + 1 < extra.DeathEnd)
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{
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info->OwnedStates[extra.DeathStart+1].SetAction(FindGlobalActionFunction("A_NoBlocking"));
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}
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else
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{
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info->OwnedStates[extra.DeathStart].SetAction(FindGlobalActionFunction("A_ScreamAndUnblock"));
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}
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if (extra.DeathHeight == 0) extra.DeathHeight = ((AActor*)(type->Defaults))->height;
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info->Class->Meta.SetMetaFixed (AMETA_DeathHeight, extra.DeathHeight);
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}
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bag.statedef.AddState("Death", &info->OwnedStates[extra.DeathStart]);
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}
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// Burn states are the same as death states, except they can optionally terminate
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if (extra.FireDeathEnd != 0)
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{
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for (i = extra.FireDeathStart; i < extra.FireDeathEnd-1; ++i)
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{
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info->OwnedStates[i].NextState = &info->OwnedStates[i+1];
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}
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if (extra.bBurnAway)
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{
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info->OwnedStates[i].NextState = NULL;
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}
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else
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{
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info->OwnedStates[i].Tics = -1;
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info->OwnedStates[i].Misc1 = 0;
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}
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// The first frame plays the burn sound and
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// the second frame makes it nonsolid.
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info->OwnedStates[extra.FireDeathStart].SetAction(FindGlobalActionFunction("A_ActiveSound"));
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if (extra.bSolidOnBurn)
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{
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}
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else if (extra.FireDeathStart + 1 < extra.FireDeathEnd)
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{
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info->OwnedStates[extra.FireDeathStart+1].SetAction(FindGlobalActionFunction("A_NoBlocking"));
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}
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else
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{
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info->OwnedStates[extra.FireDeathStart].SetAction(FindGlobalActionFunction("A_ActiveAndUnblock"));
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}
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if (extra.BurnHeight == 0) extra.BurnHeight = ((AActor*)(type->Defaults))->height;
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type->Meta.SetMetaFixed (AMETA_BurnHeight, extra.BurnHeight);
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bag.statedef.AddState("Burn", &info->OwnedStates[extra.FireDeathStart]);
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}
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// Ice states are similar to burn and death, except their final frame enters
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// a loop that eventually causes them to bust to pieces.
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if (extra.IceDeathEnd != 0)
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{
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for (i = extra.IceDeathStart; i < extra.IceDeathEnd-1; ++i)
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{
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info->OwnedStates[i].NextState = &info->OwnedStates[i+1];
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}
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info->OwnedStates[i].NextState = &info->OwnedStates[info->NumOwnedStates-1];
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info->OwnedStates[i].Tics = 5;
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info->OwnedStates[i].Misc1 = 0;
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info->OwnedStates[i].SetAction(FindGlobalActionFunction("A_FreezeDeath"));
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i = info->NumOwnedStates - 1;
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info->OwnedStates[i].NextState = &info->OwnedStates[i];
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info->OwnedStates[i].Tics = 1;
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info->OwnedStates[i].Misc1 = 0;
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info->OwnedStates[i].SetAction(FindGlobalActionFunction("A_FreezeDeathChunks"));
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bag.statedef.AddState("Ice", &info->OwnedStates[extra.IceDeathStart]);
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}
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else if (extra.bGenericIceDeath)
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{
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bag.statedef.AddState("Ice", RUNTIME_CLASS(AActor)->ActorInfo->FindState(NAME_GenericFreezeDeath));
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}
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}
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if (def == DEF_BreakableDecoration)
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{
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((AActor *)(type->Defaults))->flags |= MF_SHOOTABLE;
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}
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if (def == DEF_Projectile)
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{
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((AActor *)(type->Defaults))->flags |= MF_DROPOFF|MF_MISSILE;
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}
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bag.statedef.AddState("Spawn", &info->OwnedStates[extra.SpawnStart]);
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bag.statedef.InstallStates (info, ((AActor *)(type->Defaults)));
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}
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//==========================================================================
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//
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// ParseInsideDecoration
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//
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// Parses attributes out of a definition terminated with a }
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//
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//==========================================================================
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static void ParseInsideDecoration (Baggage &bag, AActor *defaults,
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FExtraInfo &extra, EDefinitionType def, FScanner &sc)
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{
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AFakeInventory *const inv = static_cast<AFakeInventory *>(defaults);
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char sprite[5] = "TNT1";
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sc.MustGetString ();
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while (!sc.Compare ("}"))
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{
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if (sc.Compare ("DoomEdNum"))
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{
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sc.MustGetNumber ();
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if (sc.Number < -1 || sc.Number > 32767)
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{
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sc.ScriptError ("DoomEdNum must be in the range [-1,32767]");
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}
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bag.Info->DoomEdNum = (SWORD)sc.Number;
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}
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else if (sc.Compare ("SpawnNum"))
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{
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sc.MustGetNumber ();
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if (sc.Number < 0 || sc.Number > 255)
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{
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sc.ScriptError ("SpawnNum must be in the range [0,255]");
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}
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bag.Info->SpawnID = (BYTE)sc.Number;
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}
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else if (sc.Compare ("Sprite") || (
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(def == DEF_BreakableDecoration || def == DEF_Projectile) &&
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sc.Compare ("DeathSprite") &&
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(extra.DeathSprite[0] = 1)) // This is intentionally = and not ==
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)
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{
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sc.MustGetString ();
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if (sc.StringLen != 4)
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{
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sc.ScriptError ("Sprite name must be exactly four characters long");
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}
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if (extra.DeathSprite[0] == 1)
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{
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memcpy (extra.DeathSprite, sc.String, 4);
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}
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else
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{
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memcpy (sprite, sc.String, 4);
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}
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}
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else if (sc.Compare ("Frames"))
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{
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sc.MustGetString ();
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extra.SpawnStart = bag.StateArray.Size();
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ParseSpriteFrames (bag.Info, bag.StateArray, sc);
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extra.SpawnEnd = bag.StateArray.Size();
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}
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else if ((def == DEF_BreakableDecoration || def == DEF_Projectile) &&
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sc.Compare ("DeathFrames"))
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{
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sc.MustGetString ();
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extra.DeathStart = bag.StateArray.Size();
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ParseSpriteFrames (bag.Info, bag.StateArray, sc);
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extra.DeathEnd = bag.StateArray.Size();
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}
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else if (def == DEF_BreakableDecoration && sc.Compare ("IceDeathFrames"))
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{
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sc.MustGetString ();
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extra.IceDeathStart = bag.StateArray.Size();
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ParseSpriteFrames (bag.Info, bag.StateArray, sc);
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extra.IceDeathEnd = bag.StateArray.Size();
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}
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else if (def == DEF_BreakableDecoration && sc.Compare ("BurnDeathFrames"))
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{
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sc.MustGetString ();
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extra.FireDeathStart = bag.StateArray.Size();
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ParseSpriteFrames (bag.Info, bag.StateArray, sc);
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extra.FireDeathEnd = bag.StateArray.Size();
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}
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else if (def == DEF_BreakableDecoration && sc.Compare ("GenericIceDeath"))
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{
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extra.bGenericIceDeath = true;
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}
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else if (def == DEF_BreakableDecoration && sc.Compare ("BurnsAway"))
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{
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extra.bBurnAway = true;
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}
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else if (def == DEF_BreakableDecoration && sc.Compare ("DiesAway"))
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{
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extra.bDiesAway = true;
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}
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else if (sc.Compare ("Alpha"))
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{
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sc.MustGetFloat ();
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defaults->alpha = int(clamp (sc.Float, 0.0, 1.0) * OPAQUE);
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}
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else if (sc.Compare ("Scale"))
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{
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sc.MustGetFloat ();
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defaults->scaleX = defaults->scaleY = FLOAT2FIXED(sc.Float);
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}
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else if (sc.Compare ("RenderStyle"))
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{
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sc.MustGetString ();
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defaults->RenderStyle = LegacyRenderStyles[sc.MustMatchString (RenderStyles)];
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}
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else if (sc.Compare ("Radius"))
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{
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sc.MustGetFloat ();
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defaults->radius = int(sc.Float * FRACUNIT);
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}
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else if (sc.Compare ("Height"))
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{
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sc.MustGetFloat ();
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defaults->height = int(sc.Float * FRACUNIT);
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}
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else if (def == DEF_BreakableDecoration && sc.Compare ("DeathHeight"))
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{
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sc.MustGetFloat ();
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extra.DeathHeight = int(sc.Float * FRACUNIT);
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}
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else if (def == DEF_BreakableDecoration && sc.Compare ("BurnHeight"))
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{
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sc.MustGetFloat ();
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extra.BurnHeight = int(sc.Float * FRACUNIT);
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}
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else if (def == DEF_BreakableDecoration && sc.Compare ("Health"))
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{
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sc.MustGetNumber ();
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defaults->health = sc.Number;
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}
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else if (def == DEF_Projectile && sc.Compare ("ExplosionRadius"))
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{
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sc.MustGetNumber ();
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bag.Info->Class->Meta.SetMetaInt(ACMETA_ExplosionRadius, sc.Number);
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extra.bExplosive = true;
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}
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else if (def == DEF_Projectile && sc.Compare ("ExplosionDamage"))
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{
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sc.MustGetNumber ();
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bag.Info->Class->Meta.SetMetaInt(ACMETA_ExplosionDamage, sc.Number);
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extra.bExplosive = true;
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}
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else if (def == DEF_Projectile && sc.Compare ("DoNotHurtShooter"))
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{
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bag.Info->Class->Meta.SetMetaInt(ACMETA_DontHurtShooter, true);
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}
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else if (def == DEF_Projectile && sc.Compare ("Damage"))
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{
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sc.MustGetNumber ();
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defaults->Damage = sc.Number;
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}
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else if (def == DEF_Projectile && sc.Compare ("DamageType"))
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{
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sc.MustGetString ();
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if (sc.Compare ("Normal"))
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{
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defaults->DamageType = NAME_None;
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}
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else
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{
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defaults->DamageType = sc.String;
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}
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}
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else if (def == DEF_Projectile && sc.Compare ("Speed"))
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{
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sc.MustGetFloat ();
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defaults->Speed = fixed_t(sc.Float * 65536.f);
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}
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else if (sc.Compare ("Mass"))
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{
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sc.MustGetFloat ();
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defaults->Mass = SDWORD(sc.Float);
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}
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else if (sc.Compare ("Translation1"))
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{
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sc.MustGetNumber ();
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if (sc.Number < 0 || sc.Number > 2)
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{
|
|
sc.ScriptError ("Translation1 must be in the range [0,2]");
|
|
}
|
|
defaults->Translation = TRANSLATION(TRANSLATION_Standard, sc.Number);
|
|
}
|
|
else if (sc.Compare ("Translation2"))
|
|
{
|
|
sc.MustGetNumber ();
|
|
if (sc.Number < 0 || sc.Number >= MAX_ACS_TRANSLATIONS)
|
|
{
|
|
#define ERROR(foo) "Translation2 must be in the range [0," #foo "]"
|
|
sc.ScriptError (ERROR(MAX_ACS_TRANSLATIONS));
|
|
#undef ERROR
|
|
}
|
|
defaults->Translation = TRANSLATION(TRANSLATION_LevelScripted, sc.Number);
|
|
}
|
|
else if ((def == DEF_BreakableDecoration || def == DEF_Projectile) &&
|
|
sc.Compare ("DeathSound"))
|
|
{
|
|
sc.MustGetString ();
|
|
defaults->DeathSound = sc.String;
|
|
}
|
|
else if (def == DEF_BreakableDecoration && sc.Compare ("BurnDeathSound"))
|
|
{
|
|
sc.MustGetString ();
|
|
defaults->ActiveSound = sc.String;
|
|
}
|
|
else if (def == DEF_Projectile && sc.Compare ("SpawnSound"))
|
|
{
|
|
sc.MustGetString ();
|
|
defaults->SeeSound = sc.String;
|
|
}
|
|
else if (def == DEF_Projectile && sc.Compare ("DoomBounce"))
|
|
{
|
|
defaults->flags2 = (defaults->flags2 & ~MF2_BOUNCETYPE) | MF2_DOOMBOUNCE;
|
|
}
|
|
else if (def == DEF_Projectile && sc.Compare ("HereticBounce"))
|
|
{
|
|
defaults->flags2 = (defaults->flags2 & ~MF2_BOUNCETYPE) | MF2_HERETICBOUNCE;
|
|
}
|
|
else if (def == DEF_Projectile && sc.Compare ("HexenBounce"))
|
|
{
|
|
defaults->flags2 = (defaults->flags2 & ~MF2_BOUNCETYPE) | MF2_HEXENBOUNCE;
|
|
}
|
|
else if (def == DEF_Pickup && sc.Compare ("PickupSound"))
|
|
{
|
|
sc.MustGetString ();
|
|
inv->PickupSound = sc.String;
|
|
}
|
|
else if (def == DEF_Pickup && sc.Compare ("PickupMessage"))
|
|
{
|
|
sc.MustGetString ();
|
|
bag.Info->Class->Meta.SetMetaString(AIMETA_PickupMessage, sc.String);
|
|
}
|
|
else if (def == DEF_Pickup && sc.Compare ("Respawns"))
|
|
{
|
|
inv->Respawnable = true;
|
|
}
|
|
else if (def == DEF_BreakableDecoration && sc.Compare ("SolidOnDeath"))
|
|
{
|
|
extra.bSolidOnDeath = true;
|
|
}
|
|
else if (def == DEF_BreakableDecoration && sc.Compare ("SolidOnBurn"))
|
|
{
|
|
extra.bSolidOnBurn = true;
|
|
}
|
|
else if (sc.String[0] != '*')
|
|
{
|
|
HandleActorFlag(sc, bag, sc.String, NULL, '+');
|
|
}
|
|
else
|
|
{
|
|
sc.ScriptError (NULL);
|
|
}
|
|
sc.MustGetString ();
|
|
}
|
|
|
|
unsigned int i;
|
|
int spr = GetSpriteIndex(sprite);
|
|
|
|
for (i = 0; i < bag.StateArray.Size(); ++i)
|
|
{
|
|
bag.StateArray[i].sprite = spr;
|
|
}
|
|
if (extra.DeathSprite[0] && extra.DeathEnd != 0)
|
|
{
|
|
int spr = GetSpriteIndex(extra.DeathSprite);
|
|
for (i = extra.DeathStart; i < extra.DeathEnd; ++i)
|
|
{
|
|
bag.StateArray[i].sprite = spr;
|
|
}
|
|
}
|
|
}
|
|
|
|
//==========================================================================
|
|
//
|
|
// ParseSpriteFrames
|
|
//
|
|
// Parses a sprite-based animation sequence out of a decoration definition.
|
|
// You can have multiple sequences, and they will be appended together.
|
|
// A sequence definition looks like this:
|
|
//
|
|
// "<rate>:<frames>,<rate>:<frames>,<rate>:<frames>,..."
|
|
//
|
|
// Rate is a number describing the number of tics between frames in this
|
|
// sequence. If you don't specify it, then a rate of 4 is used. Frames is
|
|
// a list of consecutive frame characters. Each frame can be postfixed with
|
|
// the * character to indicate that it is fullbright.
|
|
//
|
|
// Examples:
|
|
// ShortRedTorch looks like this:
|
|
// "ABCD"
|
|
//
|
|
// HeadCandles looks like this:
|
|
// "6:AB"
|
|
//
|
|
// TechLamp looks like this:
|
|
// "A*B*C*D*"
|
|
//
|
|
// BloodyTwich looks like this:
|
|
// "10:A, 15:B, 8:C, 6:B"
|
|
//==========================================================================
|
|
|
|
static void ParseSpriteFrames (FActorInfo *info, TArray<FState> &states, FScanner &sc)
|
|
{
|
|
FState state;
|
|
char *token = strtok (sc.String, ",\t\n\r");
|
|
|
|
memset (&state, 0, sizeof(state));
|
|
|
|
while (token != NULL)
|
|
{
|
|
// Skip leading white space
|
|
while (*token == ' ')
|
|
token++;
|
|
|
|
int rate = 4;
|
|
bool firstState = true;
|
|
char *colon = strchr (token, ':');
|
|
|
|
if (colon != NULL)
|
|
{
|
|
char *stop;
|
|
|
|
*colon = 0;
|
|
rate = strtol (token, &stop, 10);
|
|
if (stop == token || rate < 1 || rate > 65534)
|
|
{
|
|
sc.ScriptError ("Rates must be in the range [0,65534]");
|
|
}
|
|
token = colon + 1;
|
|
}
|
|
|
|
state.Tics = rate;
|
|
|
|
while (*token)
|
|
{
|
|
if (*token == ' ')
|
|
{
|
|
}
|
|
else if (*token == '*')
|
|
{
|
|
if (firstState)
|
|
{
|
|
sc.ScriptError ("* must come after a frame");
|
|
}
|
|
state.Frame |= SF_FULLBRIGHT;
|
|
}
|
|
else if (*token < 'A' || *token > ']')
|
|
{
|
|
sc.ScriptError ("Frames must be A-Z, [, \\, or ]");
|
|
}
|
|
else
|
|
{
|
|
if (!firstState)
|
|
{
|
|
states.Push (state);
|
|
}
|
|
firstState = false;
|
|
state.Frame = *token-'A';
|
|
}
|
|
++token;
|
|
}
|
|
if (!firstState)
|
|
{
|
|
states.Push (state);
|
|
}
|
|
|
|
token = strtok (NULL, ",\t\n\r");
|
|
}
|
|
}
|
|
|