Initial commit.

2026-08-11 23:40:51 +02:00 · 2026-04-27 10:35:40 -07:00
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+/*-----------------------------------------------------------------------**
+** 								Diablo
+**
+**						Constants and Variables
+**
+** 				(C)1995 Condor, Inc. All rights reserved.
+**-----------------------------------------------------------------------**
+**	$Header: /Diablo/MONSTER.H 2     1/23/97 12:21p Jmorin $
+**-----------------------------------------------------------------------*/
+
+/*-----------------------------------------------------------------------**
+** Defines
+**-----------------------------------------------------------------------*/
+
+#define MAXMONSTERS		200
+
+#define MONSTERTYPES	200
+
+//#define MAX_LVLMTYPES	16	//JKE 7/29
+#define MAX_LVLMTYPES	24	// new crypt level
+
+#define MONSTDENSITY	30
+
+#define MFLAG_INVISIBLE	0x00000001
+#define MFLAG_BACKWARDS	0x00000002
+#define MFLAG_STILL		0x00000004	// Used for Gargoyles while they are stone
+#define MFLAG_NOHEAL	0x00000008	// Monster can no longer heal itself
+#define MFLAG_MID		0x00000010	// _menemy element indexes monsters[] (default is plr[])
+#define MFLAG_MKILLER	0x00000020	// monster is an attacker monster
+#define MFLAG_DROP		0x00000040	// drop an item at special time
+#define MFLAG_KNOCKBACK 0x00000080	// knock back enemy one square
+#define MFLAG_PATH		0x00000100	// use path algorithm to navigate around obstacles
+#define MFLAG_CHECKDOORS 0x00000200	// this monster has door-opening abilities
+#define MFLAG_NOENEMY	0x00000400	// monster has no enemy (because there are none left)
+#define MFLAG_BERSERK	0x00000800	// monster attacks everything.
+
+// Monster Placement Flags
+#define MPFLAG_SCATTER	1	// scatter these all over
+#define MPFLAG_DONT		2	// don't place -- taken care of elsewhere
+#define MPFLAG_UNIQ		4	// place once, as in a unique
+
+#define MAX_ANIMTYPE	6
+
+#define M_ID	0
+#define P_ID	1
+
+/*-----------------------------------------------------------------------*
+** Macros
+**-----------------------------------------------------------------------*/
+
+#define DIST(x,y,d)	(abs(x) < d && abs(y) < d)
+#define EquivMonst(m,t) ((m) >= (t) && (m) <= (t)+3)
+
+/*-----------------------------------------------------------------------**
+** Structures
+**-----------------------------------------------------------------------*/
+
+// AnimStruct
+//		One per animation, e.g. Fat demon walk
+typedef struct {
+	BYTE *CMem;
+	BYTE *Cels[8];
+	int Frames;
+	int Rate;
+} AnimStruct;
+
+typedef struct {
+	TSnd * effect[2];
+} SndEffectStruct;
+
+typedef struct {
+	long mAnimWidth;	// width of monster
+	long mImgSize;		// Size of graphics for monster
+	char *filename;		// pattern used to denote this monster in file names
+	BOOL has_special;	// has a special animation
+	char *sndfile;		// Name of the sound file
+	BOOL snd_special;	// has a special snd
+	BOOL transflag;		// Does this monster need gfx translation
+	char *TransFile;	// Name of the gfx translation file
+	int Frames[MAX_ANIMTYPE];
+	int Rate[MAX_ANIMTYPE];
+	char *mName;		// name
+	char mMinDLvl;		// Min dungeon level
+	char mMaxDLvl;		// Max dungeon level
+	char mLevel;		// monster ranking
+	long mMinHP;		// base hitpoints
+	long mMaxHP;		// random hitpoints
+	BYTE mAi;			// AI type
+	DWORD mFlags;		// ai related flags
+	BYTE mInt;			// Intelligence (0-3)
+	BYTE mHit;			// hit%
+	BYTE mAFNum;		// Which frame to check for attack on
+	BYTE mMinDamage;	// min damage
+	BYTE mMaxDamage;	// max damage
+	BYTE mHit2;			// hit%
+	BYTE mAFNum2;		// Which frame to check for attack on
+	BYTE mMinDamage2;	// min damage
+	BYTE mMaxDamage2;	// max damage
+	char mArmorClass;	// Armor class
+	char mMonstClass;	// Monster class
+	WORD mMagicRes;		// Magic resistance
+	WORD mMagicRes2;	// Magic resistance (for nightmare & hell modes)
+	WORD mTreasure;		// Treasure
+	char mSelFlag;		// Which type of selection
+	WORD mExp;			// base experience
+} MonsterData;
+
+// CMonster
+//		One per monster class, e.g. Fat demon
+typedef struct {
+	int mtype;
+	BYTE mPlaceFlags;	// monster placement flags
+	AnimStruct Anims[6];
+	SndEffectStruct Snds[4];
+	long mAnimWidth;	// width of monster
+	long mAnimWidth2;	// (width - 64) / 2 of monster for drawing
+	long mMinHP;		// base hitpoints
+	long mMaxHP;		// random hitpoints 
+	BOOL has_special;	// has a special animation
+	BYTE mAFNum;		// Which frame to check for attack on
+	char mdeadval;		// Which val to put in flags when dead
+	MonsterData *MData;
+	byte *pTrans;		// Pointer to gfx translation table
+} CMonster;
+
+// MonsterStruct
+//		One per monster in the dungeon, e.g., Joe the Fat demon
+typedef struct {
+ 	int _mMTidx;		// Type index into Monsters[] array (*** NOT MT_whatever ***)
+	int _mmode;			// monsters current mode
+	BYTE _mgoal;		// higher-level mode, i.e., run away!
+	int _mgoalvar1;		// goal scratch 1
+	int _mgoalvar2;		// goal scratch 2
+	int _mgoalvar3;		// goal scratch 3
+	int _mgoalvar4;		// goal scratch 4
+	BYTE _pathcount;	// 
+	int _mx;			// monster map x
+	int _my;			// monster map y
+	int _mfutx;			// monster future map x
+	int _mfuty;			// monster future map y
+	int _moldx;			// monster starting walk map x
+	int _moldy;			// monster starting walk map y
+	long _mxoff;		// offset x from left of map tile
+	long _myoff;		// offset y from bottom of map tile
+	long _mxvel;		// current x rate
+	long _myvel;		// current y rate
+	int _mdir;			// current facing direction
+	int _menemy;		// Which player is my enemy
+	BYTE _menemyx;		// x location of enemy in dungeon
+	BYTE _menemyy;		// y "
+	BYTE *_mAnimData;	// Data pointer to anim tables
+	int _mAnimDelay;	// anim delay amount
+	int _mAnimCnt;		// current anim delay value
+	int	_mAnimLen;		// number of anim frames
+	int	_mAnimFrame;	// current anim frame
+	int _meflag;		// draw extra tile to left for walk fix (flag)
+	BOOL _mDelFlag;		// Delete/Kill monster
+	long _mVar1;		// scratch var 1
+	long _mVar2;		// scratch var 2
+	long _mVar3;		// scratch var 3
+	long _mVar4;		// scratch var 4
+	long _mVar5;		// scratch var 5
+	long _mVar6;		// scratch var 6
+	long _mVar7;		// scratch var 7
+	long _mVar8;		// scratch var 8
+	long _mmaxhp;		// Fully healed monster hit points
+	long _mhitpoints;	// Monster hit points
+	BYTE _mAi;			// AI type
+	BYTE _mint;			// Monster intelligence
+	DWORD _mFlags;
+	BYTE _msquelch;		// keeps monster active for a while after it's not visible
+	int _mAFNum;		// Which frame to check for attack on
+	int _lastx;			// Coordinates where player was last seen
+	int _lasty;
+
+	int _mRndSeed;		// Random seed for item generation
+	int _mAISeed;		// Random seed for AI (multiplayer only)
+
+	BOOL _Wandering;	// Is this a wandering monster
+
+	BYTE _uniqtype;		// Type of unique (0==None)
+	BYTE _uniqtrans;	// Pal translation index
+	char _udeadval;		// If unique, it's dead val
+
+	char mWhoHit;		// Which players have hit me so I can divvy up experience
+
+	char mLevel;		// monster ranking
+	WORD mExp;			// base experience
+	BYTE mHit;			// hit%
+	BYTE mMinDamage;	// min damage
+	BYTE mMaxDamage;	// max damage
+	BYTE mHit2;			// hit%
+	BYTE mMinDamage2;	// min damage
+	BYTE mMaxDamage2;	// max damage
+	char mArmorClass;	// Armor class
+	WORD mMagicRes;		// Magic resistance
+	int mtalkmsg;		// talking monster message number
+
+	BYTE leader;		// monster # of pack leader
+	BYTE leaderflag;
+	BYTE packsize;		// # of monsters in pack
+
+	BYTE mlid;			// light id
+
+	// Anything below this will not be saved or sent during a sync
+	#define SAVE_MONSTER_SIZE	offsetof(MonsterStruct,mName)
+	char *mName;
+	CMonster *MType;
+	MonsterData *MData;
+} MonsterStruct;
+
+
+typedef struct {
+	int		mtype;		// i.e. MT_SKELSD
+	char *	mName;
+	char *	mTFile;		// Translation filename
+	BYTE	mlevel;		// level on which it appears
+	WORD	mmaxhp;
+	BYTE	mAi;		// AI type
+	BYTE	mint;		// AI level
+	BYTE	mMinDamage;	// min damage
+	BYTE	mMaxDamage;	// max damage
+	WORD	mMagicRes;	// Magic resistance
+	WORD	mUnqAttr;	// Unique attributes, i.e., pack leader
+	BYTE	mUnqVar1;	// parameter to unique attribute
+	BYTE	mUnqVar2;	// "
+	int		mtalkmsg;	// talking monster message number
+} UniqMonstStruct;
+
+
+/*-----------------------------------------------------------------------**
+** Externs
+**-----------------------------------------------------------------------*/
+
+extern MonsterStruct	monster[MAXMONSTERS];
+extern long nummonsters;
+extern int monstactive[MAXMONSTERS];
+
+extern long monstkills[MONSTERTYPES];
+
+extern int offset_x[];
+extern int offset_y[];
+extern int left[];
+extern int right[];
+extern int opposite[];
+
+extern int nummtypes;
+extern CMonster Monsters[MAX_LVLMTYPES];
+
+/*-----------------------------------------------------------------------**
+** Prototypes
+**-----------------------------------------------------------------------*/
+
+void InitLevelMonsters();
+void GetLevelMTypes();
+void InitMonsterGFX(int monst);
+void InitMonsterSND(int monst);
+void FreeMonsterGFX();
+void InitMonsters();
+void TalktoMonster(int i);
+void SetMapMonsters(BYTE *, int, int);
+
+void ProcessMonsters();
+
+void M_StartStand(int i, int md);
+void M_StartKill(int, int);
+void M_SyncStartKill(int, int, int, int);
+void M_StartHit(int, int, int);
+void M_GetKnockback(int i);
+void M_WalkDir(int i, int md);
+void MAI_Golum(int i);
+
+BOOL DirOK(int i, int mdir);
+
+void SyncMonsterAnim(int);
+
+void PrintMonstHistory(int);
+
+void MissToMonst(int i, int x, int y);
+BOOL PosOkMonst(int i, int x, int y);
+BOOL PosOkMissile(int x, int y);
+
+BOOL IsSkel(int mt);
+BOOL SpawnSkeleton(int i, int x, int y);
+int PreSpawnSkeleton();
+void SpawnGolum(int, int, int, int);
+void DeleteMonsterList();
+void MonstStartKill(int, int, BOOL);
+
+void PlaceQuestMonsters();
+
+int AddMonster(int x, int y, int dir, int mtype, BOOL InMap);
+
+BOOL IsGoat(int mt);
+
+BOOL CanTalkToMonst(int m);
+
+BOOL CheckMonsterHit(int m, BOOL &ret);
+BOOL LineClear(int, int, int, int);
+int encode_enemy(int m);
+void decode_enemy(int m, int enemy);
+
+void Hose_NaKrul();
+void CloneMonster(int m);