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devilution/Source/spells.cpp

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/*
* UNPUBLISHED -- Rights reserved under the copyright laws of the
* United States. Use of a copyright notice is precautionary only and
* does not imply publication or disclosure.
*
* THIS DOCUMENTATION CONTAINS CONFIDENTIAL AND PROPRIETARY INFORMATION
* OF BLIZZARD ENTERTAINMENT. ANY DUPLICATION, MODIFICATION,
* DISTRIBUTION, OR DISCLOSURE IS STRICTLY PROHIBITED WITHOUT THE PRIOR
* EXPRESS WRITTEN PERMISSION OF BLIZZARD ENTERTAINMENT.
*/
#include "../types.h"
SpellData spelldata[37] =
{
{ SPL_NULL, 0, STYPE_FIRE, NULL, NULL, 0, 0, 0, 0, 0, 0, { 0, 0, 0 }, 0, 0, 40, 80, 0, 0 },
{ SPL_FIREBOLT, 6, STYPE_FIRE, "Firebolt", "Firebolt", 1, 1, 1, 0, 15, IS_CAST2, { MIS_FIREBOLT, 0, 0 }, 1, 3, 40, 80, 1000, 50 },
{ SPL_HEAL, 5, STYPE_MAGIC, "Healing", NULL, 1, 1, 0, 1, 17, IS_CAST8, { MIS_HEAL, 0, 0 }, 3, 1, 20, 40, 1000, 50 },
{ SPL_LIGHTNING, 10, STYPE_LIGHTNING, "Lightning", NULL, 4, 3, 1, 0, 20, IS_CAST4, { MIS_LIGHTCTRL, 0, 0 }, 1, 6, 20, 60, 3000, 150 },
{ SPL_FLASH, 30, STYPE_LIGHTNING, "Flash", NULL, 5, 4, 0, 0, 33, IS_CAST4, { MIS_FLASH, MIS_FLASH2, 0 }, 2, 16, 20, 40, 7500, 500 },
{ SPL_IDENTIFY, 13, STYPE_MAGIC, "Identify", "Identify", -1, -1, 0, 1, 23, IS_CAST6, { MIS_IDENTIFY, 0, 0 }, 2, 1, 8, 12, 0, 100 },
{ SPL_FIREWALL, 28, STYPE_FIRE, "Fire Wall", NULL, 3, 2, 1, 0, 27, IS_CAST2, { MIS_FIREWALLC, 0, 0 }, 2, 16, 8, 16, 6000, 400 },
{ SPL_TOWN, 35, STYPE_MAGIC, "Town Portal", NULL, 3, 3, 1, 0, 20, IS_CAST6, { MIS_TOWN, 0, 0 }, 3, 18, 8, 12, 3000, 200 },
{ SPL_STONE, 60, STYPE_MAGIC, "Stone Curse", NULL, 6, 5, 1, 0, 51, IS_CAST2, { MIS_STONE, 0, 0 }, 3, 40, 8, 16, 12000, 800 },
{ SPL_INFRA, 40, STYPE_MAGIC, "Infravision", NULL, -1, -1, 0, 0, 36, IS_CAST8, { MIS_INFRA, 0, 0 }, 5, 20, 0, 0, 0, 600 },
{ SPL_RNDTELEPORT, 12, STYPE_MAGIC, "Phasing", NULL, 7, 6, 0, 0, 39, IS_CAST2, { MIS_RNDTELEPORT, 0, 0 }, 2, 4, 40, 80, 3500, 200 },
{ SPL_MANASHIELD, 33, STYPE_MAGIC, "Mana Shield", NULL, 6, 5, 0, 0, 25, IS_CAST2, { MIS_MANASHIELD, 0, 0 }, 0, 33, 4, 10, 16000, 1200 },
{ SPL_FIREBALL, 16, STYPE_FIRE, "Fireball", NULL, 8, 7, 1, 0, 48, IS_CAST2, { MIS_FIREBALL, 0, 0 }, 1, 10, 40, 80, 8000, 300 },
{ SPL_GUARDIAN, 50, STYPE_FIRE, "Guardian", NULL, 9, 8, 1, 0, 61, IS_CAST2, { MIS_GUARDIAN, 0, 0 }, 2, 30, 16, 32, 14000, 950 },
{ SPL_CHAIN, 30, STYPE_LIGHTNING, "Chain Lightning", NULL, 8, 7, 0, 0, 54, IS_CAST2, { MIS_CHAIN, 0, 0 }, 1, 18, 20, 60, 11000, 750 },
{ SPL_WAVE, 35, STYPE_FIRE, "Flame Wave", NULL, 9, 8, 1, 0, 54, IS_CAST2, { MIS_WAVE, 0, 0 }, 3, 20, 20, 40, 10000, 650 },
{ SPL_DOOMSERP, 0, STYPE_LIGHTNING, "Doom Serpents", NULL, -1, -1, 0, 0, 0, IS_CAST2, { 0, 0, 0 }, 0, 0, 40, 80, 0, 0 },
{ SPL_BLODRIT, 0, STYPE_MAGIC, "Blood Ritual", NULL, -1, -1, 0, 0, 0, IS_CAST2, { 0, 0, 0 }, 0, 0, 40, 80, 0, 0 },
{ SPL_NOVA, 60, STYPE_MAGIC, "Nova", NULL, -1, 10, 0, 0, 87, IS_CAST4, { MIS_NOVA, 0, 0 }, 3, 35, 16, 32, 21000, 1300 },
{ SPL_INVISIBIL, 0, STYPE_MAGIC, "Invisibility", NULL, -1, -1, 0, 0, 0, IS_CAST2, { 0, 0, 0 }, 0, 0, 40, 80, 0, 0 },
{ SPL_FLAME, 11, STYPE_FIRE, "Inferno", NULL, 3, 2, 1, 0, 20, IS_CAST2, { MIS_FLAMEC, 0, 0 }, 1, 6, 20, 40, 2000, 100 },
{ SPL_GOLEM, 100, STYPE_FIRE, "Golem", NULL, 11, 9, 0, 0, 81, IS_CAST2, { MIS_GOLEM, 0, 0 }, 6, 60, 16, 32, 18000, 1100 },
{ SPL_BLODBOIL, 0, STYPE_LIGHTNING, "Blood Boil", NULL, -1, -1, 1, 0, 0, IS_CAST8, { 0, 0, 0 }, 0, 0, 0, 0, 0, 0 },
{ SPL_TELEPORT, 35, STYPE_MAGIC, "Teleport", NULL, 14, 12, 1, 0, 105, IS_CAST6, { MIS_TELEPORT, 0, 0 }, 3, 15, 16, 32, 20000, 1250 },
{ SPL_APOCA, 150, STYPE_FIRE, "Apocalypse", NULL, -1, 15, 0, 0, 149, IS_CAST2, { MIS_APOCA, 0, 0 }, 6, 90, 8, 12, 30000, 2000 },
{ SPL_ETHEREALIZE, 100, STYPE_MAGIC, "Etherealize", NULL, -1, -1, 0, 0, 93, IS_CAST2, { MIS_ETHEREALIZE, 0, 0 }, 0, 100, 2, 6, 26000, 1600 },
{ SPL_REPAIR, 0, STYPE_MAGIC, "Item Repair", "Item Repair", -1, -1, 0, 1, -1, IS_CAST6, { MIS_REPAIR, 0, 0 }, 0, 0, 40, 80, 0, 0 },
{ SPL_RECHARGE, 0, STYPE_MAGIC, "Staff Recharge", "Staff Recharge", -1, -1, 0, 1, -1, IS_CAST6, { MIS_RECHARGE, 0, 0 }, 0, 0, 40, 80, 0, 0 },
{ SPL_DISARM, 0, STYPE_MAGIC, "Trap Disarm", "Trap Disarm", -1, -1, 0, 0, -1, IS_CAST6, { MIS_DISARM, 0, 0 }, 0, 0, 40, 80, 0, 0 },
{ SPL_ELEMENT, 35, STYPE_FIRE, "Elemental", NULL, 8, 6, 0, 0, 68, IS_CAST2, { MIS_ELEMENT, 0, 0 }, 2, 20, 20, 60, 10500, 700 },
{ SPL_CBOLT, 6, STYPE_LIGHTNING, "Charged Bolt", NULL, 1, 1, 1, 0, 25, IS_CAST2, { MIS_CBOLT, 0, 0 }, 1, 6, 40, 80, 1000, 50 },
{ SPL_HBOLT, 7, STYPE_MAGIC, "Holy Bolt", NULL, 1, 1, 1, 0, 20, IS_CAST2, { MIS_HBOLT, 0, 0 }, 1, 3, 40, 80, 1000, 50 },
{ SPL_RESURRECT, 20, STYPE_MAGIC, "Resurrect", NULL, -1, 5, 0, 1, 30, IS_CAST8, { MIS_RESURRECT, 0, 0 }, 0, 20, 4, 10, 4000, 250 },
{ SPL_TELEKINESIS, 15, STYPE_MAGIC, "Telekinesis", NULL, 2, 2, 0, 0, 33, IS_CAST2, { MIS_TELEKINESIS, 0, 0 }, 2, 8, 20, 40, 2500, 200 },
{ SPL_HEALOTHER, 5, STYPE_MAGIC, "Heal Other", NULL, 1, 1, 0, 1, 17, IS_CAST8, { MIS_HEALOTHER, 0, 0 }, 3, 1, 20, 40, 1000, 50 },
{ SPL_FLARE, 25, STYPE_MAGIC, "Blood Star", NULL, 14, 13, 0, 0, 70, IS_CAST2, { MIS_FLARE, 0, 0 }, 2, 14, 20, 60, 27500, 1800 },
{ SPL_BONESPIRIT, 24, STYPE_MAGIC, "Bone Spirit", NULL, 9, 7, 0, 0, 34, IS_CAST2, { MIS_BONESPIRIT, 0, 0 }, 1, 12, 20, 60, 11500, 800 }
};
//----- (0045744E) --------------------------------------------------------
int __fastcall GetManaAmount(int id, int sn)
{
int v2; // eax
int v3; // esi
int v4; // ecx
bool v5; // zf
bool v6; // sf
int v7; // ecx
int v8; // ecx
int v9; // edx
v2 = id;
v3 = 0;
v4 = plr[id]._pSplLvl[sn] + plr[id]._pISplLvlAdd - 1;
v5 = v4 == 0;
v6 = v4 < 0;
if ( v4 < 0 )
{
v4 = 0;
v5 = 1;
v6 = 0;
}
if ( !v6 && !v5 )
v3 = v4 * spelldata[sn].sManaAdj;
if ( sn == SPL_FIREBOLT )
v3 >>= 1;
if ( sn == SPL_RESURRECT && v4 > 0 )
v3 = v4 * ((unsigned int)spelldata[SPL_RESURRECT].sManaCost >> 3);
_LOBYTE(v7) = spelldata[sn].sManaCost;
if ( (_BYTE)v7 == -1 )
v7 = _LOBYTE(plr[v2]._pMaxManaBase);
else
v7 = (unsigned char)v7;
v8 = (v7 - v3) << 6;
if ( sn == SPL_HEAL )
v8 = (spelldata[SPL_HEAL].sManaCost + 2 * plr[v2]._pLevel - v3) << 6;
if ( sn == SPL_HEALOTHER )
v8 = (spelldata[SPL_HEAL].sManaCost + 2 * plr[v2]._pLevel - v3) << 6;
if ( _LOBYTE(plr[v2]._pClass) == 1 )
v8 -= v8 >> 2;
v9 = spelldata[sn].sMinMana;
if ( v9 > v8 >> 6 )
v8 = v9 << 6;
return v8 * (100 - plr[v2]._pISplCost) / 100;
}
//----- (0045753A) --------------------------------------------------------
void __fastcall UseMana(int id, int sn)
{
int v2; // esi
int v3; // eax
if ( id == myplr )
{
v2 = id;
switch ( plr[id]._pSplType )
{
case RSPLTYPE_SPELL:
#ifdef _DEBUG
if ( !debug_mode_key_inverted_v )
{
#endif
v3 = GetManaAmount(id, sn);
plr[v2]._pMana -= v3;
plr[v2]._pManaBase -= v3;
drawmanaflag = 1;
#ifdef _DEBUG
}
#endif
break;
case RSPLTYPE_SCROLL:
RemoveScroll(id);
break;
case RSPLTYPE_CHARGES:
UseStaffCharge(id);
break;
}
}
}
//----- (00457584) --------------------------------------------------------
bool __fastcall CheckSpell(int id, int sn, char st, bool manaonly)
{
bool result; // al
int v5; // edi
int v6; // esi
result = 1;
v5 = sn;
v6 = id;
#ifdef _DEBUG
if ( debug_mode_key_inverted_v )
return 1;
#endif
if ( !manaonly && pcurs != 1 )
return 0;
if ( st )
{
if ( GetSpellLevel(id, sn) <= 0 )
return 0;
result = plr[v6]._pMana >= GetManaAmount(v6, v5);
}
return result;
}
//----- (004575D5) --------------------------------------------------------
void __fastcall CastSpell(int id, int spl, int sx, int sy, int dx, int dy, int caster, int spllvl)
{
int v8; // eax
signed int v9; // edi
unsigned char *v10; // esi
int v11; // esi
int midir; // [esp+8h] [ebp-8h]
int ids; // [esp+Ch] [ebp-4h]
ids = id;
if ( caster )
{
if ( caster != 1 )
goto LABEL_7;
v8 = monster[id]._mdir;
}
else
{
caster = 0;
midir = plr[id]._pdir;
if ( spl != SPL_FIREWALL )
goto LABEL_7;
v8 = plr[id]._pVar3;
}
midir = v8;
LABEL_7:
v9 = 0;
v10 = spelldata[spl].sMissiles;
if ( *v10 )
{
do
{
if ( v9 >= 3 )
break;
AddMissile(sx, sy, dx, dy, midir, (unsigned char)v10[v9++], caster, ids, 0, spllvl);
}
while ( v10[v9] );
}
if ( *v10 == MIS_TOWN )
UseMana(ids, SPL_TOWN);
if ( *v10 == MIS_CBOLT )
{
UseMana(ids, SPL_CBOLT);
if ( (spllvl >> 1) + 3 > 0 )
{
v11 = (spllvl >> 1) + 3;
do
{
AddMissile(sx, sy, dx, dy, midir, MIS_CBOLT, caster, ids, 0, spllvl);
--v11;
}
while ( v11 );
}
}
}
//----- (004576B1) --------------------------------------------------------
void __fastcall DoResurrect(int pnum, int rid)
{
int v2; // ebx
int v3; // esi
int v4; // esi
signed int v5; // edx
int v6; // eax
v2 = rid;
v3 = pnum;
if ( (_BYTE)rid != LOBYTE(-1) )
AddMissile(plr[rid].WorldX, plr[rid].WorldY, plr[rid].WorldX, plr[rid].WorldY, 0, MIS_RESURRECTBEAM, 0, pnum, 0, 0);
if ( v3 == myplr )
SetCursor(CURSOR_HAND);
if ( (_BYTE)v2 != LOBYTE(-1) )
{
v4 = v2;
if ( !plr[v2]._pHitPoints )
{
if ( v2 == myplr )
{
deathflag = 0;
gamemenu_off();
drawhpflag = 1;
drawmanaflag = 1;
}
ClrPlrPath(v2);
plr[v4].destAction = -1;
plr[v4]._pInvincible = 0;
PlacePlayer(v2);
v5 = 640;
if ( plr[v4]._pMaxHPBase < 640 )
v5 = plr[v4]._pMaxHPBase;
SetPlayerHitPoints(v2, v5);
v6 = plr[v4]._pMaxHPBase - plr[v4]._pMaxHP;
plr[v4]._pMana = 0;
plr[v4]._pHPBase = plr[v4]._pHitPoints + v6;
plr[v4]._pManaBase = plr[v4]._pMaxManaBase - plr[v4]._pMaxMana;
CalcPlrInv(v2, 1u);
if ( plr[v4].plrlevel == currlevel )
StartStand(v2, plr[v4]._pdir);
else
plr[v4]._pmode = 0;
}
}
}
//----- (004577CB) --------------------------------------------------------
void __fastcall PlacePlayer(int pnum)
{
int v1; // ebx
unsigned int v2; // eax
int v3; // edi
int v4; // esi
int v5; // eax
bool v6; // zf
signed int v7; // [esp+Ch] [ebp-18h]
int p; // [esp+10h] [ebp-14h]
int v9; // [esp+14h] [ebp-10h]
signed int v10; // [esp+18h] [ebp-Ch]
signed int v11; // [esp+1Ch] [ebp-8h]
unsigned int i; // [esp+20h] [ebp-4h]
signed int v13; // [esp+20h] [ebp-4h]
p = pnum;
v1 = pnum;
if ( plr[pnum].plrlevel == currlevel )
{
v2 = 0;
for ( i = 0; ; v2 = i )
{
v3 = plr[v1].WorldX + *(int *)((char *)plrxoff2 + v2);
v4 = plr[v1].WorldY + *(int *)((char *)plryoff2 + v2);
if ( PosOkPlayer(p, v3, v4) )
break;
i += 4;
if ( i >= 0x20 )
break;
}
if ( !PosOkPlayer(p, v3, v4) )
{
v11 = 0;
v5 = -1;
v13 = 1;
v7 = -1;
do
{
if ( v11 )
break;
v9 = v5;
while ( v5 <= v13 && !v11 )
{
v4 = v9 + plr[v1].WorldY;
v10 = v7;
do
{
if ( v11 )
break;
v3 = v10 + plr[v1].WorldX;
if ( PosOkPlayer(p, v10 + plr[v1].WorldX, v4) )
v11 = 1;
++v10;
}
while ( v10 <= v13 );
v5 = ++v9;
}
++v13;
v5 = v7-- - 1;
}
while ( v7 > -50 );
}
plr[v1].WorldX = v3;
v6 = p == myplr;
plr[v1].WorldY = v4;
dPlayer[v3][v4] = p + 1;
if ( v6 )
{
ViewX = v3;
ViewY = v4;
}
}
}
//----- (004578EE) --------------------------------------------------------
void __fastcall DoHealOther(int pnum, int rid)
{
int v2; // ebx
int v3; // esi
int v4; // ebx
int v5; // ecx
int v6; // edi
int v7; // ecx
char v8; // bl
int v9; // eax
int *v10; // eax
int v11; // esi
int id; // [esp+8h] [ebp-8h]
int v13; // [esp+Ch] [ebp-4h]
signed int v14; // [esp+Ch] [ebp-4h]
int i; // [esp+Ch] [ebp-4h]
v2 = pnum;
v13 = rid;
id = pnum;
if ( pnum == myplr )
SetCursor(CURSOR_HAND);
if ( (_BYTE)v13 != LOBYTE(-1) )
{
v3 = v13;
if ( (signed int)(plr[v13]._pHitPoints & 0xFFFFFFC0) > 0 )
{
_LOBYTE(pnum) = 57;
v4 = v2;
v14 = 0;
v6 = (random(pnum, 10) + 1) << 6;
if ( plr[v4]._pLevel > 0 )
{
do
{
_LOBYTE(v5) = 57;
v6 += (random(v5, 4) + 1) << 6;
++v14;
}
while ( v14 < plr[v4]._pLevel );
}
for ( i = 0; i < GetSpellLevel(id, SPL_HEALOTHER); ++i )
{
_LOBYTE(v7) = 57;
v6 += (random(v7, 6) + 1) << 6;
}
v8 = plr[v4]._pClass;
if ( !v8 )
v6 *= 2;
if ( v8 == 1 )
v6 += v6 >> 1;
plr[v3]._pHitPoints += v6;
v9 = plr[v3]._pMaxHP;
if ( plr[v3]._pHitPoints > v9 )
plr[v3]._pHitPoints = v9;
v10 = &plr[v3]._pHPBase;
v11 = plr[v3]._pMaxHPBase;
*v10 += v6;
if ( *v10 > v11 )
*v10 = v11;
drawhpflag = 1;
}
}
}
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