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gears.pp
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gears.pp
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unit gears;
{The building block from which everything in this game}
{is constructed is called a GEAR. Just seemed a good}
{thing to name the record, given the name of the game.}
{
GearHead2, a roguelike mecha CRPG
Copyright (C) 2005 Joseph Hewitt
This library is free software; you can redistribute it and/or modify it
under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 of the License, or (at
your option) any later version.
The full text of the LGPL can be found in license.txt.
This library is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser
General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with this library; if not, write to the Free Software Foundation,
Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
}
{$LONGSTRINGS ON}
interface
uses sysutils,dos,texutil;
Const
NumGearStats = 8; {The number of STAT slots}
{in a GEAR record}
{ In general, negative G scores denote abstract things. }
{ Vitual gears are not subject to most game rules, range }
{ checking, and whatnot. }
GG_Secret = -21; { A secret, which may be revealed by story events. }
GG_CityMood = -20;
GG_Theme = -19;
GG_Meme = -18; { A collection of things the PC will be told, until timeout or all messages delivered. }
GG_SuperProp = -17; { Adds a bunch of props to the map in a pattern. }
GG_PlotThingSet = -16; { The collection of plot/quest/rancon-associated things that start play frozen. }
GG_ContentSet = -15; { The collection of unique scene content in an adventure. }
GG_ArtifactSet = -14; { The collection of unique artifacts in an adventure. }
GG_Set = -13; { A collection of things at a store, purchased as one item. }
GG_World = -12; { A planet, moon, or region of space. A place to group scenes. }
GG_MetaScene = -11;
GG_Story = -10;
GG_Plot = -9;
GG_MapFeature = -8; { Something that should be placed on the random map; subcom of SCENE. }
GG_Adventure = -7; { A placeholder for SCENES and FACTIONS. }
GG_Faction = -6; { A group or organization }
GG_Persona = -5; { A conversation or interaction with a NPC }
GG_Team = -4; { A team is a single cohesive unit on a map. }
GG_Scene = -3;
GG_AbsolutelyNothing = -1;
GG_Mecha = 0;
GG_Module = 1;
GG_Character = 2;
GG_Cockpit = 3;
GG_Weapon = 4;
GG_Ammo = 5;
GG_MoveSys = 6;
GG_Holder = 7;
GG_Sensor = 8;
GG_Support = 9;
GG_Shield = 10;
GG_ExArmor = 11;
GG_Treasure = 12;
GG_Prop = 13;
GG_MetaTerrain = 15; { Acts kind of like terrain, but it's a gear. }
GG_Tool = 16; { Gears which provide a skill bonus. Dealt with under ghswag. }
GG_RepairFuel = 17;
GG_Consumable = 18;
GG_Modifier = 19; { Modifies stats; Defined in ghmodule.pp }
GG_WeaponAddOn = 20; { Weapon accessory; Defined in ghweapon.pp }
GG_PowerSource = 21; { Power source for energy weapons }
GG_Computer = 22; { Computers! }
GG_Software = 23; { Software! Goes in the computer, above. }
GG_Harness = 24; { Can strap onto some SF:0 body part. }
GG_Usable = 25; { Can be activated via the appropriate command. }
NAG_GearOps = 2;
NumMaterial = 2;
NAS_Material = 0; { This is the famous duality taken from }
NAV_Metal = 0; { CyberPunk- metal vs. meat. Metal has }
NAV_Meat = 1; { higher DP, but meat regenerates. }
{ Default material for all items is metal. }
NAV_BioTech = 2; { Biotech has HP like metal but regen }
{ like meat. }
{ This array tells if a given material regenerates damage. }
MAT_Regenerate: Array [0..NumMaterial] of Boolean = (
False, True, True
);
NAS_MassAdjust = 1; { Can make an item heavier or lighter. }
NAS_DominationTarget = 2; { Target number for Dominate Animal skill }
NAS_EvolveAt = 3; { XP target for evolution }
NAS_Fudge = 4; { Value adjustment. }
NAS_Legality = 5; { Legality level; determines if you can find something }
{ in a store or not. }
NAS_MonsterTV = 6; { Monster Threat Value }
NAS_ArmorType = 7; { What kind of armor does this part have? }
NumArmorType = 2;
NAV_Hardened = 1; { Hardened armor degrades slower. }
NAV_AntiBeam = 2; { Strong against energy attacks. }
NAS_MaxStandardScriptID = 8; { The highest standard script ID assigned for this part. }
NAS_CorpseOp = 9; { What happens to this gear's corpse? }
NAV_LeaveCorpse = 0; { The default value }
NAV_NoCorpse = 1; { Don't leave behind a corpse. }
NAS_ShopRank = 10; { Used to determine what shopkeepers stock. }
NAS_CostAdjust = 11; { Adjusts the base cost of this item, but not the value. }
NAG_Narrative = 7; { Variables having to do with RPG }
NAS_NID = 0; { Narrative ID }
NAS_MaxCID = 3;
NAS_MaxNID = 4;
NAS_EntranceScene = 5; { Location of the entrance for MetaScenes. }
NAS_DungeonLevel = 6; { Used when expanding random dungeons. }
NAS_DungeonBranch = 7;
NAS_Stolen = 8; { If nonzero, item has been stolen. }
NAS_MinMSID = 9; { Minimum MetaScene ID }
NAS_ScriptActivatedTimer = 10; { Tells the last time this gear }
{ has had a script activated. }
NAS_HomeTownID = 11; { SceneID of the PC's home town. }
NAS_ControllingFaction = 12; { Included in a faction gear; used to describe power heirarchies. }
NAS_ContentID = 13; { ID tag for unique scene content. }
NAS_DatePoints = 14; { A counter used in the date scenario. }
NAS_MaxSceneID = 15;
NAS_NeededCells = 16; { Used by maps- indicates minimum number of cells required }
{ for requested random scene content. }
NAS_PartyPoints = 17; { A counter used in the party scenarios. }
NAS_ReturnToScene = 18; { If a RETURN command is encountered, if this }
{ value is nonzero, do not simply exit to the parent scene. Instead, }
{ exit to whatever scene is stored here. This functionality exists to }
{ make GH1-style "teleporting" battles possible. }
NAS_RandomLoot = 19; { A cash value for hiding random loot here. }
{ The loot category and allowable factions must be stored in }
{ string attributes LOOT_CATEGORY and LOOT_FACTIONS. }
NAS_MaxPlotID = 20; { New superplots are given ID numbers. }
NAS_NumSPElementsUsed = 21; { The number of elements used by subplots. }
NAS_PlotID = 22; { The ID number of a given plot. }
NAS_PlotLayer = 23; { The layer number of a superplot component. }
NAS_MaxPlotLayer = 24; { Needed for generating Layer IDs. }
NAS_DifficultyLevel = 26; { Threat rating for plots, stories, and quests, measured as Renown }
NAS_IsRandomEquipment = 27; { This item was generated by SelectEquipment procedure. }
NAS_GaveLMMecha = 28; { The NPC gave the PC a mecha when joining the lance. }
NAS_ControllerID = 29; { Used for attaching plots to scenes and moods. }
NAS_MaxControllerID = 30; { Used for generating new controller IDs as needed. }
NAS_DefaultFacTheme = 31; { Used to set the default theme for a faction; in high level }
{ encounters, mook mecha can get upgraded with this theme. }
NAS_MoodRecharge = 32; { Scenes will only attempt to load new moods once every 10 hours or so. }
NAS_QuestDungeonPlacement = 33; { Was this item originally a subcom of the quest dungeon? If not, }
{ remove it from the prototype and reinstall it in the goal level. }
NAV_WasQDOriginal = 1;
NAV_ForGoalLevel = -1; { Put this only in the goal level. }
NAV_ForEntryLevel = -2; { Put this only in the entry level. }
NAS_EncounterActive = 34; { Is this activatable encounter active? Formerly QEncActive... }
NAS_QuestInUse = 35; { Used when constructing quests, to prevent the same fragment }
{ from being selected multiple times. }
NAS_Fortune = 36; { Factions may rise and fall in fortune. }
{ This is used to help determine the RPG campaign ending. }
NAS_DungeonEntrance = 37; { Used to find the entrance of a dungeon. }
NAS_LancemateTraining_Total = 38; { Used to regulate lancemate training/advancement. }
NAS_LancemateTraining_Spent = 39;
{ The following are used by the randmaps unit... }
NAS_LockedDoorChance = 101;
NAS_SecretDoorChance = 102;
{ The following may be used by various scenarios... }
NAS_VictimsRecovered = 201;
{ The following record how many people died over the course of the adventure... }
Num_Fatality_Types = 5;
Fatality_Base = 300;
NAS_TotalFatalities = 301; { How many people died, total. }
NAS_FamilyFatalities = 302;
NAS_FriendFatalities = 303;
NAS_LoverFatalities = 304;
NAS_LancemateFatalities = 305;
MassPerMV = 15; { Amount of mass per MV , TR modifier. }
NAG_Display = 13;
NAS_PrimaryFrame = 0;
NAG_Prefrences = 15;
NAS_DefAtOp = 0; { Default Attack Option }
NAS_UseNonLethalAttacks = 1; { Use NonLethal attacks where appropriate. }
{ ******************************* }
{ *** FILE NAME CONSTANTS *** }
{ ******************************* }
OS_Dir_Separator = DirectorySeparator;
OS_Search_Separator = PathSeparator;
OS_Current_Directory = '.';
{ All of the following file names have been checked for }
{ correct capitalization. Hopefully, everything should run }
{ fine. }
Default_File_Ending = '.txt';
Default_Search_Pattern = '*.txt';
Design_DirName = 'design';
Design_Directory = Design_DirName + OS_Dir_Separator;
PC_Equipment_Pattern = 'PC_*.txt';
Series_DirName = 'series';
Series_Directory = Series_DirName + OS_Dir_Separator;
Archetypes_File = Series_Directory + 'ANPCdefault.txt';
Adventure_File_Base = Series_Directory + 'ADV_';
STC_Item_Pattern = 'STC_*.txt';
Plot_Seacrh_Pattern = Series_Directory + 'PLOT' + Default_Search_Pattern;
Jobs_File = Series_Directory + 'RCJobs.txt';
Monsters_File_Pattern = 'WMON_*.txt';
Data_DirName = 'gamedata';
Data_Directory = Data_DirName + OS_Dir_Separator;
MetaTerrain_File_Base = Data_Directory + 'meta';
Trait_Chatter_Base = Data_Directory + 'TC_';
Standard_Message_File = Data_Directory + 'messages.txt';
Damage_Strings_File = Data_Directory + 'damage.txt';
Ability_Message_File = Data_Directory + 'ability.txt';
Standard_Nouns_File = Data_Directory + 'nouns.txt';
Standard_Phrases_File = Data_Directory + 'phrases.txt';
Standard_Adjectives_File = Data_Directory + 'adjectives.txt';
Standard_Rumors_File = Data_Directory + 'rumors.txt';
Standard_Chatter_File = Data_Directory + 'chat_msg.txt';
Standard_Threats_File = Data_Directory + 'threats.txt';
Parser_Macro_File = Data_Directory + 'ghpmacro.txt';
Script_Macro_File = Data_Directory + 'aslmacro.txt';
Value_Macro_File = Data_Directory + 'asvmacro.txt';
Effects_Message_File = Data_Directory + 'effects.txt';
RandMaps_Param_File = Data_Directory + 'randmaps.txt';
NPC_Chatter_File = Data_Directory + 'taunts.txt';
Doc_DirName = 'doc';
Doc_Directory = Doc_DirName + OS_Dir_Separator;
Mecha_Help_File = Doc_Directory + 'man_umek.txt';
FieldHQ_Help_File = Doc_Directory + 'man_mecha.txt';
Chara_Help_File = Doc_Directory + 'man_chara.txt';
Graphics_DirName = 'image';
Graphics_Directory = Graphics_Dirname + OS_Dir_Separator;
STARTUP_OK: Boolean = True;
Type
SAttPtr = ^SAtt;
SAtt = Record {*** STRING ATTRIBUTE ***}
info: String;
next: SAttPtr;
end;
NAttPtr = ^NAtt;
NAtt = Record {*** NUMERICAL ATTRIBUTE ***}
G,S: Integer; {General, Specific, Value}
V: LongInt;
next: NAttPtr;
end;
GearPtr = ^gear;
gear = Record {*** GEARHEAD BIT ***}
G,S,V: Integer; {General Descriptive,}
{Specific Descriptive,}
{and Value Descriptive}
Scale: Integer; {Scale of this Gear}
Stat: Array [1..NumGearStats] of Integer;
{Gear Stats. Needed info for Gear type.}
SA: SAttPtr; {String Attributes.}
NA: NAttPtr; {Numerical Attributes.}
next: GearPtr; {Next sibling Gear}
subcom: GearPtr; {Child Internal Gear}
invcom: GearPtr; {Child External Gear}
parent: GearPtr; {Parent of the current Gear.}
end;
var
Save_Game_DirName,Save_Game_Directory,Save_Character_Base,Save_Egg_Base,Save_Unit_Base,Save_Campaign_Base: String;
Config_Directory,Config_File: String;
Function CreateSAtt(var LList: SAttPtr): SAttPtr;
Procedure DisposeSAtt(var LList: SAttPtr);
Procedure RemoveSAtt(var LList,LMember: SAttPtr);
Function FindSAtt(LList: SAttPtr; const Code_In: String): SAttPtr;
Function SetSAtt(var LList: SAttPtr; const Info: String): SAttPtr;
Function StoreSAtt(var LList: SAttPtr; const Info: String): SAttPtr;
Function AddSAtt( var LList: SAttPtr; const S_Label_in,S_Data: String ): SAttPtr;
Function SAttValue(LList: SAttPtr; const Code: String): String;
function NumSAtts( GList: SAttPtr ): Integer;
function RetrieveSAtt( List: SAttPtr; N: Integer ): SAttPtr;
function SelectRandomSAtt( SAList: SAttPtr ): SAttPtr;
Function LoadStringList( const FName_In: String ): SAttPtr;
Procedure SaveStringList( const FName: String; SList: SattPtr );
Procedure ExpandFileList( var FList: SAttPtr; const P: String );
Function CreateFileList( const P: String ): SAttPtr;
Procedure SortStringList( var LList: SAttPtr );
Function NumHeadMatches( const head_in: String; LList: SAttPtr ): Integer;
Function FindHeadMatch( const head_in: String; LList: SAttPtr; N: Integer ): SAttPtr;
Function StringInList( const string_to_match: String; LList: SAttPtr ): Boolean;
Function CreateNAtt(var LList: NAttPtr): NAttPtr;
Procedure DisposeNAtt(var LList: NAttPtr);
Procedure RemoveNAtt(var LList,LMember: NAttPtr);
Function FindNAtt(LList: NAttPtr; G,S: Integer): NAttPtr;
Function SetNAtt(var LList: NAttPtr; G,S: Integer; V: LongInt): NAttPtr;
Function AddNAtt(var LList: NAttPtr; G,S: Integer; V: LongInt): NAttPtr;
Function NAttValue(LList: NAttPtr; G,S: Integer): LongInt;
Procedure StripNAtt( Part: GearPtr ; G: Integer );
Function NumNAtts( LList: NAttPtr ): Integer;
function SelectRandomNAtt( NAList: NAttPtr ): NAttPtr;
Function LastGear(LList: GearPtr): GearPtr;
Function NewGear( Parent: GearPtr ): GearPtr;
Procedure AppendGear( var LList: GearPtr; It: GearPtr );
Function AddGear(var LList: GearPtr; Parent: GearPtr): GearPtr;
Procedure DisposeGear(var LList: GearPtr);
Procedure RemoveGear(var LList,LMember: GearPtr);
Procedure DelinkGear(var LList,LMember: GearPtr);
function NumSiblingGears( GList: GearPtr ): Integer;
function SelectRandomGear( GList: GearPtr ): GearPtr;
function FindRoot( Part: GearPtr ): GearPtr;
Procedure InsertSubCom( Parent,NewMember: GearPtr );
Procedure InsertInvCom( Parent,NewMember: GearPtr );
Function IsFoundAlongTrack( Track,Part: GearPtr ): Boolean;
Function IsSubCom( Part: GearPtr ): Boolean;
Function IsInvCom( Part: GearPtr ): Boolean;
Function CloneSAtt( SA: SAttPtr ): SAttPtr;
Function CloneGear( Part: GearPtr ): GearPtr;
Function RetrieveGearSib( List: GearPtr; N: Integer ): GearPtr;
Procedure Rescale( Part: GearPtr; SF: Integer );
Procedure MarkGearsWithNAtt( Master: GearPtr; G,S,V: LongInt );
Procedure MarkGearsWithSAtt( Master: GearPtr; const Info: String );
implementation
Function LastSAtt( LList: SAttPtr ): SAttPtr;
{ Find the last SAtt in this particular list. }
begin
if LList <> Nil then while LList^.Next <> Nil do LList := LList^.Next;
LastSAtt := LList;
end;
Function CreateSAtt(var LList: SAttPtr): SAttPtr;
{Add a new element to the tail of LList.}
var
it: SAttPtr;
begin
{Allocate memory for our new element.}
New(it);
if it = Nil then exit( Nil );
it^.Next := Nil;
{Attach IT to the list.}
if LList = Nil then begin
LList := it;
end else begin
LastSAtt( LList )^.Next := it;
end;
{Return a pointer to the new element.}
CreateSAtt := it;
end;
Procedure DisposeSAtt(var LList: SAttPtr);
{Dispose of the list, freeing all associated system resources.}
var
LTemp: SAttPtr;
begin
while LList <> Nil do begin
LTemp := LList^.Next;
Dispose(LList);
LList := LTemp;
end;
end;
Procedure RemoveSAtt(var LList,LMember: SAttPtr);
{Locate and extract member LMember from list LList.}
{Then, dispose of LMember.}
var
a,b: SAttPtr;
begin
{Initialize A and B}
B := LList;
A := Nil;
{Locate LMember in the list. A will thereafter be either Nil,}
{if LMember if first in the list, or it will be equal to the}
{element directly preceding LMember.}
while (B <> LMember) and (B <> Nil) do begin
A := B;
B := B^.next;
end;
if B = Nil then begin
{Major FUBAR. The member we were trying to remove can't}
{be found in the list.}
writeln('ERROR- RemoveSAtt asked to remove a link that doesnt exist.');
end
else if A = Nil then begin
{There's no element before the one we want to remove,}
{i.e. it's the first one in the list.}
LList := B^.Next;
Dispose(B);
end
else begin
{We found the attribute we want to delete and have another}
{one standing before it in line. Go to work.}
A^.next := B^.next;
Dispose(B);
end;
end;
Function LabelsMatch( const info,code: String ): Boolean;
{ Return TRUE if UpCase( CODE ) matches UpCase( INFO ) all the }
{ way to the first '<', ignoring spaces and tabs. }
var
i_pos,c_pos: Integer;
begin
{ error check... }
if ( info = '' ) or ( code = '' ) then Exit( False );
i_pos := 0;
c_pos := 0;
repeat
inc( i_pos );
inc( c_pos );
while (i_pos <= Length(info)) and ((info[i_pos] = ' ') or (info[i_pos] = #9)) do begin
Inc(i_pos);
end;
while (c_pos <= Length(code)) and ((code[c_pos] = ' ') or (code[c_pos] = #9)) do begin
Inc(c_pos);
end;
until ( i_pos > Length( info ) ) or ( c_pos > Length( code ) ) or ( UpCase( info[i_pos] ) <> UpCase( code[c_pos] ) );
LabelsMatch := ( c_pos > Length( code ) ) and ( i_pos <= Length( info ) ) and ( info[i_pos] = '<' );
end;
Function FindSAtt(LList: SAttPtr; const Code_In: String): SAttPtr;
{Search through the list looking for a String Attribute}
{whose code matches CODE and return its address.}
{Return Nil if no such SAtt can be found.}
var
it: SAttPtr;
Code: String;
begin
{Initialize IT to Nil.}
it := Nil;
Code := UpCase(Code_In);
{Check through all the SAtts looking for the SATT in question.}
while ( LList <> Nil ) and ( it = Nil ) do begin
if LabelsMatch( LList^.info , Code ) then it := LList;
LList := LList^.Next;
end;
FindSAtt := it;
end;
Function SetSAtt(var LList: SAttPtr; const Info: String): SAttPtr;
{Add string attribute Info to the list. However, a gear}
{may not have two string attributes with the same name.}
{So, check to see whether or not the list already contains}
{a string attribute of this type; if so, just replace the}
{INFO field. If not, create a new SAtt and fill it in.}
var
it: SAttPtr;
code: String;
begin
{Determine the CODE of the string.}
code := Info;
code := ExtractWord(code);
{See if that code already exists in the list,}
{if not create a new entry for it.}
it := FindSAtt(LList,code);
{Plug in the value.}
if RetrieveAString( Info ) = '' then begin
if it <> Nil then RemoveSAtt( LList , it );
end else begin
if it = Nil then it := CreateSAtt(LList);
it^.info := Info;
end;
{Return a pointer to the new attribute.}
SetSAtt := it;
end;
Function StoreSAtt(var LList: SAttPtr; const Info: String): SAttPtr;
{ Add string attribute Info to the list. This procedure }
{ doesn't check to make sure this attribute isn't duplicated. }
var
it: SAttPtr;
begin
it := CreateSAtt(LList);
it^.info := Info;
{Return a pointer to the new attribute.}
StoreSAtt := it;
end;
Function AddSAtt( var LList: SAttPtr; const S_Label_In,S_Data: String ): SAttPtr;
{ Store this data in the string attributes list with kind-of the }
{ same label. If the label already exists, store under Label1, }
{ then the next data under Label2, and so on. }
var
T: SAttPtr;
S_Label,Info: String;
Max,N: Integer;
begin
{ ERROR CHECK- if no line exists currently, just add the basic label. }
if FindSAtt( LList , S_Label_In ) = Nil then begin
Exit( SetSAtt( LList , S_Label_In + ' <' + S_Data + '>' ) );
end;
{ Find the maximum value of this label currently stored in }
{ the list. }
Max := 1;
S_Label := UpCase( S_Label_In ) + '_';
{ Scan the list for examples of this label. }
T := LList;
while T <> Nil do begin
Info := T^.Info;
Info := UpCase( ExtractWord( Info ) );
{ If the first characters are the same as S_label, this }
{ is another copy of the list. }
if Copy( Info , 1 , Length( S_Label ) ) = S_Label then begin
Info := Copy( Info , Length( S_Label ) + 1 , Length( Info ) );
N := ExtractValue( Info );
if N >= Max then Max := N + 1;
end;
T := T^.Next;
end;
AddSAtt := SetSAtt( LList , S_Label + BStr( Max ) + ' <' + S_Data + '>' );
end;
Function SAttValue(LList: SAttPtr; const Code: String): String;
{Find a String Attribute which corresponds to Code, then}
{return its embedded alligator string.}
var
it: SAttPtr;
begin
it := FindSAtt(LList,Code);
if it = Nil then Exit('');
SAttValue := RetrieveAString(it^.info);
end;
function NumSAtts( GList: SAttPtr ): Integer;
{ Count the number of sibling gears along this track. }
var
N: Integer;
begin
N := 0;
while GList <> Nil do begin
Inc( N );
GList := GList^.Next;
end;
NumSAtts := N;
end;
function RetrieveSAtt( List: SAttPtr; N: Integer ): SAttPtr;
{ Retrieve a SAtt from the list. }
begin
{ error check- if asked to find a gear before the first one in }
{ the list, obviously we can't do that. Return Nil. }
if N < 1 then Exit( Nil );
{ Search for the desired gear. }
while ( N > 1 ) and ( List <> Nil ) do begin
Dec( N );
List := List^.Next;
end;
{ Return the last gear found. }
RetrieveSAtt := List;
end;
function SelectRandomSAtt( SAList: SAttPtr ): SAttPtr;
{ Pick one of the string attributes from the provided }
{ list at random. }
var
ST: SAttPtr;
N,T: Integer;
begin
{ Count the number of SAtts total. }
ST := SAList;
N := NumSAtts( SAList );
{ Choose one randomly. }
if N > 0 then begin
T := Random( N ) + 1;
ST := RetrieveSATt( SAList , T );
end;
SelectRandomSAtt := ST;
end;
Function LoadStringList( const FName_In: String ): SAttPtr;
{ Load a list of string attributes from the listed file, }
{ if it can be found. }
var
SList: SAttPtr;
F: Text;
S: String;
FName: String;
begin
SList := Nil;
FName := FSearch( FName_In , '.' );
if FName <> '' then begin
Assign( F , FName );
Reset( F );
{ Get rid of the opening comment }
ReadLn( F , S );
while not EOF( F ) do begin
ReadLn( F , S );
if S <> '' then StoreSAtt( SList , S );
end;
Close( F );
end;
LoadStringList := SList;
end;
Procedure SaveStringList( const FName: String; SList: SattPtr );
{ Save a list of string attributes to the listed filename. }
var
F: Text;
begin
Assign( F , FName );
Rewrite( F );
WriteLn( F , '%%% File saved by SaveStringList %%%' );
while SList <> Nil do begin
WriteLn( F , SList^.Info );
SList := SList^.Next;
end;
Close( F );
end;
Procedure ExpandFileList( var FList: SAttPtr; const P: String );
{ Add more files to the list. }
var
SRec: SearchRec;
begin
FindFirst( P , AnyFile , SRec );
{ As long as there are files which match our description, }
{ process them. }
While DosError = 0 do begin
StoreSAtt( FList , SRec.Name );
{ Look for the next file in the directory. }
FindNext( SRec );
end;
FindClose( SRec );
end;
Function CreateFileList( const P: String ): SAttPtr;
{ Create a list of file names which match the requested pattern. }
var
LList: SAttPtr;
begin
{ Start the search process going... }
LList := Nil;
ExpandFileList( LList , P );
CreateFileList := LList;
end;
Procedure SortStringList( var LList: SAttPtr );
{ Sort this list of strings in alphabetical order. }
var
sorted: SAttPtr; {The sorted list}
a,b,c,d: SAttPtr;{Counters. We always need them, you know.}
youshouldstop: Boolean; {Can you think of a better name?}
begin
{Initialize A and Sorted.}
a := LList;
Sorted := Nil;
while a <> Nil do begin
b := a; {b is to be added to sorted}
a := a^.next; {increase A to the next item in the menu}
{Give b's Next field a value of Nil.}
b^.next := nil;
{Locate the correct position in Sorted to store b}
{ Get rid of anything that isn't a mecha. }
if HeadMatchesString( 'PC_' , b^.info ) then begin
{ This is an equipment file, not a mecha file. Delete it. }
DisposeSAtt( b );
end else if Sorted = Nil then
{This is the trivial case- Sorted is empty.}
Sorted := b
else if UpCase( b^.info ) < Upcase( Sorted^.info ) then begin
{b should be the first element in the list.}
c := sorted;
sorted := b;
sorted^.next := c;
end
else begin
{c and d will be used to move through Sorted.}
c := Sorted;
{Locate the last item lower than b}
youshouldstop := false;
repeat
d := c;
c := c^.next;
if c = Nil then
youshouldstop := true
else if UpCase( c^.info ) > UpCase( b^.info ) then begin
youshouldstop := true;
end;
until youshouldstop;
b^.next := c;
d^.next := b;
end;
end;
LList := Sorted;
end;
Function NumHeadMatches( const head_in: String; LList: SAttPtr ): Integer;
{ Return how many SAtts in the list match the HEAD provided. }
{ A match is made if the first Length(head) characters of }
{ the string attribute are equal to head. }
var
N: Integer;
Head: String;
begin
N := 0;
Head := UpCase( Head_In );
while LList <> Nil do begin
if UpCase( Copy( LList^.Info , 1 , Length( Head ) ) ) = Head then begin
Inc( N );
end;
LList := LList^.Next;
end;
NumHeadMatches := N;
end;
Function FindHeadMatch( const head_in: String; LList: SAttPtr; N: Integer ): SAttPtr;
{ Return head match number N, as defined above. }
{ If no match is found return Nil. }
var
HM: SAttPtr;
Head: String;
begin
HM := Nil;
Head := UpCase( Head_In );
while LList <> Nil do begin
if UpCase( Copy( LList^.Info , 1 , Length( Head ) ) ) = Head then begin
Dec( N );
if N = 0 then HM := LList;
end;
LList := LList^.Next;
end;
FindHeadMatch := HM;
end;
Function StringInList( const string_to_match: String; LList: SAttPtr ): Boolean;
{ Check this list to see if it includes string_to_match. If it does, }
{ return True. Otherwise return False. }
var
foundit: Boolean;
begin
foundit := False;
while ( LList <> Nil ) and not foundit do begin
if LList^.Info = string_to_match then foundit := True;
LList := LList^.Next;
end;
StringInList := foundit;
end;
Function CreateNAtt(var LList: NAttPtr): NAttPtr;
{Add a new element to the head of LList.}
var
it: NAttPtr;
begin
{Allocate memory for our new element.}
New(it);
if it = Nil then exit( Nil );
{Initialize values.}
it^.Next := LList;
LList := it;
{Return a pointer to the new element.}
CreateNAtt := it;
end;
Procedure DisposeNAtt(var LList: NAttPtr);
{Dispose of the list, freeing all associated system resources.}
var
LTemp: NAttPtr;
begin
while LList <> Nil do begin
LTemp := LList^.Next;
Dispose(LList);
LList := LTemp;
end;
end;
Procedure RemoveNAtt(var LList,LMember: NAttPtr);
{Locate and extract member LMember from list LList.}
{Then, dispose of LMember.}
var
a,b: NAttPtr;
begin
{Initialize A and B}
B := LList;
A := Nil;
{Locate LMember in the list. A will thereafter be either Nil,}
{if LMember if first in the list, or it will be equal to the}
{element directly preceding LMember.}
while (B <> LMember) and (B <> Nil) do begin
A := B;
B := B^.next;
end;
if B = Nil then begin
{Major FUBAR. The member we were trying to remove can't}
{be found in the list.}
writeln('ERROR- RemoveLink asked to remove a link that doesnt exist.');
end
else if A = Nil then begin
{There's no element before the one we want to remove,}
{i.e. it's the first one in the list.}
LList := B^.Next;
Dispose(B);
end
else begin
{We found the attribute we want to delete and have another}
{one standing before it in line. Go to work.}
A^.next := B^.next;
Dispose(B);
end;
end;
Function FindNAtt(LList: NAttPtr; G,S: Integer): NAttPtr;
{Locate the numerical attribute described by G,S and}
{return a pointer to it. If no such attribute exists}
{in the list, return Nil.}
var
it: NAttPtr;
begin
{Initialize it to Nil.}
it := Nil;
{Loop through all the elements.}
while ( LList <> Nil ) and ( it = Nil ) do begin
if (LList^.G = G) and (LList^.S = S) then it := LList;
LList := LList^.Next;
end;
{Return the value.}
FindNatt := it;
end;
Function SetNAtt(var LList: NAttPtr; G,S: Integer; V: LongInt ): NAttPtr;
{Set the Numerical Attribute described by G,S to value V.}
{If the attribute already exists, change its value. If not,}
{create the attribute.}
var
it: NAttPtr;
begin
it := FindNAtt(LList,G,S);
if ( it = Nil ) and ( V <> 0 ) then begin
{The attribute doesn't currently exist. Create it.}
it := CreateNAtt(LList);
it^.G := G;
it^.S := S;
it^.V := V;
end else if ( it <> Nil ) and ( V = 0 ) then begin
RemoveNAtt( LList , it );
end else if it <> Nil then begin
{The attribute is already posessed. Just change}
{its Value field.}
it^.V := V;
end;
SetNAtt := it;
end;
Function AddNAtt(var LList: NAttPtr; G,S: Integer; V: LongInt ): NAttPtr;
{Add value V to the value field of the Numerical Attribute}
{described by G,S. If the attribute does not exist, create}
{it and set its value to V.}
{If, as a result of this operation, V drops to 0,}
{the numerical attribute will be removed and Nil will}
{be returned.}
var
it: NAttPtr;
begin
it := FindNAtt(LList,G,S);
if it = Nil then begin
{The attribute doesn't currently exist. Create it.}
it := CreateNAtt(LList);
it^.G := G;
it^.S := S;
it^.V := V;
end else begin
it^.V := it^.V + V;
end;
if it^.V = 0 then RemoveNAtt(LList,it);
AddNAtt := it;
end;
Function NAttValue(LList: NAttPtr; G,S: Integer): LongInt;
{Return the value of Numeric Attribute G,S. If this}
{attribute is not posessed, return 0.}
var
it: LongInt;
begin
it := 0;
while LList <> Nil do begin
if (LList^.G = G) and (LList^.S = S) then it := LList^.V;
LList := LList^.Next;
end;
NAttValue := it;
end;
Procedure StripNAtt( Part: GearPtr ; G: Integer );
{ Remove all numeric attributes of general type G from }
{ PART and all of its children. }
var
SG: GearPtr;
NA,NA2: NAttPtr;
begin