asm

package
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 Go to latest Published: Mar 3, 2023 License: MIT Imports: 8 Imported by: 5

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Index

Constants

View Source 
const (
	OpLoadVarInt     = Op(0x00)
	OpLoadVarFloat   = Op(0x01)
	OpLoadVarPtr     = Op(0x02)
	OpLoadVarString  = Op(0x03)
	OpPushInt        = Op(0x04)
	OpPushFloat      = Op(0x05)
	OpPushString     = Op(0x06)
	OpIntAdd         = Op(0x07)
	OpFloatAdd       = Op(0x08)
	OpIntSub         = Op(0x09)
	OpFloatSub       = Op(0x0A)
	OpIntMul         = Op(0x0B)
	OpFloatMul       = Op(0x0C)
	OpIntDiv         = Op(0x0D)
	OpFloatDiv       = Op(0x0E)
	OpIntMod         = Op(0x0F)
	OpIntAnd         = Op(0x10)
	OpIntOr          = Op(0x11)
	OpIntXOr         = Op(0x12)
	OpJump           = Op(0x13)
	OpJumpIf         = Op(0x14)
	OpJumpIfNot      = Op(0x15)
	OpStoreInt       = Op(0x16)
	OpStoreFloat     = Op(0x17)
	OpStoreString    = Op(0x18)
	OpStoreIntMul    = Op(0x19)
	OpStoreFloatMul  = Op(0x1A)
	OpStoreIntDiv    = Op(0x1B)
	OpStoreFloatDiv  = Op(0x1C)
	OpStoreIntAdd    = Op(0x1D)
	OpStoreFloatAdd  = Op(0x1E)
	OpStoreStringAdd = Op(0x1F)
	OpStoreIntSub    = Op(0x20)
	OpStoreFloatSub  = Op(0x21)
	OpStoreIntMod    = Op(0x22)
	OpIntEq          = Op(0x23)
	OpFloatEq        = Op(0x24)
	OpStringEq       = Op(0x25)
	OpIntLSh         = Op(0x26)
	OpIntRSh         = Op(0x27)
	OpIntLt          = Op(0x28)
	OpFloatLt        = Op(0x29)
	OpStringLt       = Op(0x2A)
	OpIntGt          = Op(0x2B)
	OpFloatGt        = Op(0x2C)
	OpStringGt       = Op(0x2D)
	OpIntLte         = Op(0x2E)
	OpFloatLte       = Op(0x2F)
	OpStringLte      = Op(0x30)
	OpIntGte         = Op(0x31)
	OpFloatGte       = Op(0x32)
	OpStringGte      = Op(0x33)
	OpIntNeq         = Op(0x34)
	OpFloatNeq       = Op(0x35)
	OpStringNeq      = Op(0x36)
	OpBoolAnd        = Op(0x37)
	OpBoolOr         = Op(0x38)
	OpStoreIntLSh    = Op(0x39)
	OpStoreIntRSh    = Op(0x3A)
	OpStoreIntAnd    = Op(0x3B)
	OpStoreIntOr     = Op(0x3C)
	OpStoreIntXOr    = Op(0x3D)
	OpBoolNot        = Op(0x3E)
	OpIntNot         = Op(0x3F)
	OpIntNeg         = Op(0x40)
	OpFloatNeg       = Op(0x41)
	OpIndexInt       = Op(0x42)
	OpIndexFloat     = Op(0x43)
	OpIndexPtr       = Op(0x44)
	OpCallBuiltin    = Op(0x45)
	OpCallScript     = Op(0x46)
	OpReturn0        = Op(0x47)
	OpReturn         = Op(0x48)
	OpStringAdd      = Op(0x49)
)
View Source 
const (
	BuiltinWall                      = Builtin(0)
	BuiltinWallOpen                  = Builtin(1)
	BuiltinWallGroupOpen             = Builtin(2)
	BuiltinWallClose                 = Builtin(3)
	BuiltinWallGroupClose            = Builtin(4)
	BuiltinWallToggle                = Builtin(5)
	BuiltinWallGroupToggle           = Builtin(6)
	BuiltinWallBreak                 = Builtin(7)
	BuiltinWallGroupBreak            = Builtin(8)
	BuiltinSecondTimer               = Builtin(9)
	BuiltinFrameTimer                = Builtin(10)
	BuiltinMove                      = Builtin(11)
	BuiltinGroupMove                 = Builtin(12)
	BuiltinLookAtDirection           = Builtin(13)
	BuiltinGroupLookAtDirection      = Builtin(14)
	BuiltinObjectOn                  = Builtin(15)
	BuiltinObjectGroupOn             = Builtin(16)
	BuiltinWaypointOn                = Builtin(17)
	BuiltinWaypointGroupOn           = Builtin(18)
	BuiltinObjectOff                 = Builtin(19)
	BuiltinObjectGroupOff            = Builtin(20)
	BuiltinWaypointOff               = Builtin(21)
	BuiltinWaypointGroupOff          = Builtin(22)
	BuiltinObjectToggle              = Builtin(23)
	BuiltinObjectGroupToggle         = Builtin(24)
	BuiltinWaypointToggle            = Builtin(25)
	BuiltinWaypointGroupToggle       = Builtin(26)
	BuiltinDelete                    = Builtin(27)
	BuiltinGroupDelete               = Builtin(28)
	BuiltinWander                    = Builtin(29)
	BuiltinGroupWander               = Builtin(30)
	BuiltinUnused1f                  = Builtin(31)
	BuiltinUnused20                  = Builtin(32)
	BuiltinGoBackHome                = Builtin(33)
	BuiltinAudioEvent                = Builtin(34)
	BuiltinPrint                     = Builtin(35)
	BuiltinPrintToAll                = Builtin(36)
	BuiltinChat                      = Builtin(37)
	BuiltinStopScript                = Builtin(38)
	BuiltinUnlockDoor                = Builtin(39)
	BuiltinLockDoor                  = Builtin(40)
	BuiltinIsObjectOn                = Builtin(41)
	BuiltinIsWaypointOn              = Builtin(42)
	BuiltinIsLocked                  = Builtin(43)
	BuiltinRandomFloat               = Builtin(44)
	BuiltinRandom                    = Builtin(45)
	BuiltinSecondTimerWithArg        = Builtin(46)
	BuiltinFrameTimerWithArg         = Builtin(47)
	BuiltinIntToString               = Builtin(48)
	BuiltinFloatToString             = Builtin(49)
	BuiltinCreateObject              = Builtin(50)
	BuiltinDamage                    = Builtin(51)
	BuiltinGroupDamage               = Builtin(52)
	BuiltinCreateMover               = Builtin(53)
	BuiltinGroupCreateMover          = Builtin(54)
	BuiltinAwardSpell                = Builtin(55)
	BuiltinGroupAwardSpell           = Builtin(56)
	BuiltinEnchant                   = Builtin(57)
	BuiltinGroupEnchant              = Builtin(58)
	BuiltinGetHost                   = Builtin(59)
	BuiltinObject                    = Builtin(60)
	BuiltinGetObjectX                = Builtin(61)
	BuiltinGetWaypointX              = Builtin(62)
	BuiltinGetObjectY                = Builtin(63)
	BuiltinGetWaypointY              = Builtin(64)
	BuiltinGetObjectZ                = Builtin(65)
	BuiltinGetDirection              = Builtin(66)
	BuiltinMoveObject                = Builtin(67)
	BuiltinMoveWaypoint              = Builtin(68)
	BuiltinRaise                     = Builtin(69)
	BuiltinLookWithAngle             = Builtin(70)
	BuiltinPushObjectTo              = Builtin(71)
	BuiltinPushObject                = Builtin(72)
	BuiltinGetLastItem               = Builtin(73)
	BuiltinGetPreviousItem           = Builtin(74)
	BuiltinHasItem                   = Builtin(75)
	BuiltinGetHolder                 = Builtin(76)
	BuiltinPickup                    = Builtin(77)
	BuiltinDrop                      = Builtin(78)
	BuiltinHasClass                  = Builtin(79)
	BuiltinUnused50                  = Builtin(80)
	BuiltinHasEnchant                = Builtin(81)
	BuiltinEnchantOff                = Builtin(82)
	BuiltinCurrentHealth             = Builtin(83)
	BuiltinMaxHealth                 = Builtin(84)
	BuiltinRestoreHealth             = Builtin(85)
	BuiltinDistance                  = Builtin(86)
	BuiltinIsVisibleTo               = Builtin(87)
	BuiltinUnused58                  = Builtin(88)
	BuiltinUnused59                  = Builtin(89)
	BuiltinUnused5a                  = Builtin(90)
	BuiltinUnused5b                  = Builtin(91)
	BuiltinUnused5c                  = Builtin(92)
	BuiltinUnused5d                  = Builtin(93)
	BuiltinUnused5e                  = Builtin(94)
	BuiltinGetCharacterData          = Builtin(95)
	BuiltinLookAtObject              = Builtin(96)
	BuiltinWalk                      = Builtin(97)
	BuiltinGroupWalk                 = Builtin(98)
	BuiltinCancelTimer               = Builtin(99)
	BuiltinEffect                    = Builtin(100)
	BuiltinSetOwner                  = Builtin(101)
	BuiltinGroupSetOwner             = Builtin(102)
	BuiltinSetOwners                 = Builtin(103)
	BuiltinGroupSetOwners            = Builtin(104)
	BuiltinIsOwnedBy                 = Builtin(105)
	BuiltinGroupIsOwnedBy            = Builtin(106)
	BuiltinIsOwnedByAny              = Builtin(107)
	BuiltinGroupIsOwnedByAny         = Builtin(108)
	BuiltinClearOwner                = Builtin(109)
	BuiltinWaypoint                  = Builtin(110)
	BuiltinWaypointGroup             = Builtin(111)
	BuiltinObjectGroup               = Builtin(112)
	BuiltinWallGroup                 = Builtin(113)
	BuiltinChatTimerSeconds          = Builtin(114)
	BuiltinChatTimer                 = Builtin(115)
	BuiltinUnused74                  = Builtin(116)
	BuiltinDestroyChat               = Builtin(117)
	BuiltinDestroyEveryChat          = Builtin(118)
	BuiltinSetQuestStatus            = Builtin(119)
	BuiltinSetQuestStatusFloat       = Builtin(120)
	BuiltinGetQuestStatus            = Builtin(121)
	BuiltinGetQuestStatusFloat       = Builtin(122)
	BuiltinResetQuestStatus          = Builtin(123)
	BuiltinIsTrigger                 = Builtin(124)
	BuiltinIsCaller                  = Builtin(125)
	BuiltinSetDialog                 = Builtin(126)
	BuiltinCancelDialog              = Builtin(127)
	BuiltinStoryPic                  = Builtin(128)
	BuiltinTellStory                 = Builtin(129)
	BuiltinStartDialog               = Builtin(130)
	BuiltinCastSpellObjectObject     = Builtin(131)
	BuiltinCastSpellObjectLocation   = Builtin(132)
	BuiltinCastSpellLocationObject   = Builtin(133)
	BuiltinCastSpellLocationLocation = Builtin(134)
	BuiltinUnBlind                   = Builtin(135)
	BuiltinBlind                     = Builtin(136)
	BuiltinWideScreen                = Builtin(137)
	BuiltinGetElevatorStatus         = Builtin(138)
	BuiltinCreatureGuard             = Builtin(139)
	BuiltinCreatureGroupGuard        = Builtin(140)
	BuiltinCreatureHunt              = Builtin(141)
	BuiltinCreatureGroupHunt         = Builtin(142)
	BuiltinCreatureIdle              = Builtin(143)
	BuiltinCreatureGroupIdle         = Builtin(144)
	BuiltinCreatureFollow            = Builtin(145)
	BuiltinCreatureGroupFollow       = Builtin(146)
	BuiltinAggressionLevel           = Builtin(147)
	BuiltinGroupAggressionLevel      = Builtin(148)
	BuiltinHitLocation               = Builtin(149)
	BuiltinGroupHitLocation          = Builtin(150)
	BuiltinHitFarLocation            = Builtin(151)
	BuiltinGroupHitFarLocation       = Builtin(152)
	BuiltinSetRoamFlag               = Builtin(153)
	BuiltinGroupSetRoamFlag          = Builtin(154)
	BuiltinAttack                    = Builtin(155)
	BuiltinGroupAttack               = Builtin(156)
	BuiltinJournalEntry              = Builtin(157)
	BuiltinJournalDelete             = Builtin(158)
	BuiltinJournalEdit               = Builtin(159)
	BuiltinRetreatLevel              = Builtin(160)
	BuiltinGroupRetreatLevel         = Builtin(161)
	BuiltinResumeLevel               = Builtin(162)
	BuiltinGroupResumeLevel          = Builtin(163)
	BuiltinRunAway                   = Builtin(164)
	BuiltinGroupRunAway              = Builtin(165)
	BuiltinPauseObject               = Builtin(166)
	BuiltinGroupPauseObject          = Builtin(167)
	BuiltinIsAttackedBy              = Builtin(168)
	BuiltinGetGold                   = Builtin(169)
	BuiltinChangeGold                = Builtin(170)
	BuiltinGetAnswer                 = Builtin(171)
	BuiltinGiveXp                    = Builtin(172)
	BuiltinHasSubclass               = Builtin(173)
	BuiltinAutoSave                  = Builtin(174)
	BuiltinMusic                     = Builtin(175)
	BuiltinStartupScreen             = Builtin(176)
	BuiltinIsTalking                 = Builtin(177)
	BuiltinGetTrigger                = Builtin(178)
	BuiltinGetCaller                 = Builtin(179)
	BuiltinMakeFriendly              = Builtin(180)
	BuiltinMakeEnemy                 = Builtin(181)
	BuiltinBecomePet                 = Builtin(182)
	BuiltinBecomeEnemy               = Builtin(183)
	BuiltinUnknownb8                 = Builtin(184)
	BuiltinUnknownb9                 = Builtin(185)
	BuiltinSetHalberd                = Builtin(186)
	BuiltinDeathScreen               = Builtin(187)
	BuiltinFrozen                    = Builtin(188)
	BuiltinNoWallSound               = Builtin(189)
	BuiltinSetCallback               = Builtin(190)
	BuiltinDeleteObjectTimer         = Builtin(191)
	BuiltinTrapSpells                = Builtin(192)
	BuiltinIsTrading                 = Builtin(193)
	BuiltinClearMessages             = Builtin(194)
	BuiltinSetShopkeeperText         = Builtin(195)
	BuiltinUnknownc4                 = Builtin(196)
	BuiltinIsSummoned                = Builtin(197)
	BuiltinZombieStayDown            = Builtin(198)
	BuiltinZombieGroupStayDown       = Builtin(199)
	BuiltinRaiseZombie               = Builtin(200)
	BuiltinRaiseZombieGroup          = Builtin(201)
	BuiltinMusicPushEvent            = Builtin(202)
	BuiltinMusicPopEvent             = Builtin(203)
	BuiltinMusicEvent                = Builtin(204)
	BuiltinIsGameBall                = Builtin(205)
	BuiltinIsCrown                   = Builtin(206)
	BuiltinEndGame                   = Builtin(207)
	BuiltinImmediateBlind            = Builtin(208)
	BuiltinChangeScore               = Builtin(209)
	BuiltinGetScore                  = Builtin(210)
)
View Source 
const NCobjName = "nc.obj"

NCobjName is a name of a temporary file with script section, created by Nox when decoding the map.

Variables

This section is empty.

Functions

func Encode 

func Encode(code []Instr) []uint32

Encode instructions into a binary form.

func Print 

func Print(w io.Writer, code []Instr) error

Print assembly instruction in a human-friendly way.

Types

type BinaryOp 

type BinaryOp struct {
	Op Op
}

func (BinaryOp) EncodeTo 

func (v BinaryOp) EncodeTo(out []uint32) []uint32

func (BinaryOp) Len 

func (v BinaryOp) Len() int

func (BinaryOp) OpCode 

func (v BinaryOp) OpCode() Op

func (BinaryOp) String 

func (v BinaryOp) String() string

type Builtin 

type Builtin uint32

type CallBuiltin 

type CallBuiltin struct {
	Index Builtin
}

func (CallBuiltin) EncodeTo 

func (v CallBuiltin) EncodeTo(out []uint32) []uint32

func (CallBuiltin) Len 

func (v CallBuiltin) Len() int

func (CallBuiltin) OpCode 

func (v CallBuiltin) OpCode() Op

func (CallBuiltin) String 

func (v CallBuiltin) String() string

type CallScript 

type CallScript struct {
	Index int32
}

func (CallScript) EncodeTo 

func (v CallScript) EncodeTo(out []uint32) []uint32

func (CallScript) Len 

func (v CallScript) Len() int

func (CallScript) OpCode 

func (v CallScript) OpCode() Op

func (CallScript) String 

func (v CallScript) String() string

type FuncDef 

type FuncDef struct {
	// Name of the function.
	Name string
	// Args is the number of arguments.
	Args int
	// Return is the number of returns. Only 1 return max is supported.
	Return int
	// Unused stores some unused values in script encoding.
	// It will be written back during encoding.
	Unused int
	// Vars is a list of variable definitions.
	Vars []VarDef
	// VarsSz is a total size of memory required for all variables.
	VarsSz int
	// Code of the function. See Disasm.
	Code []uint32
	// Rest is a trailing bytes after a Code section.
	// It will be written back during encoding.
	Rest []byte
	// NamePref is prepended to all object name lookups during script runtime.
	NamePref string
	// PosOff is added to all position-related operations during script runtime.
	PosOff image.Point
}

FuncDef is a NoxScript function definition.

func (*FuncDef) Disasm 

func (f *FuncDef) Disasm() ([]Instr, error)

Disasm decodes assembly instruction from the function binary code.

type Index 

type Index struct {
	Op Op
}

func (Index) EncodeTo 

func (v Index) EncodeTo(out []uint32) []uint32

func (Index) Len 

func (v Index) Len() int

func (Index) OpCode 

func (v Index) OpCode() Op

func (Index) String 

func (v Index) String() string

type Instr 

type Instr interface {
	OpCode() Op
	Len() int
	String() string
	EncodeTo(out []uint32) []uint32
}

Instr is an instruction for NoxScript assembly.

func Decode 

func Decode(code []uint32) ([]Instr, error)

Decode instructions from a binary form.

func DecodeNext 

func DecodeNext(code []uint32) (Instr, int)

DecodeNext decodes one instruction from a binary form and returns it's length. It returns nil, 1 if instruction was not recognized.

type Jump 

type Jump struct {
	Op  Op
	Off int32
}

func (Jump) EncodeTo 

func (v Jump) EncodeTo(out []uint32) []uint32

func (Jump) Len 

func (v Jump) Len() int

func (Jump) OpCode 

func (v Jump) OpCode() Op

func (Jump) String 

func (v Jump) String() string

type LoadVar 

type LoadVar struct {
	Op       Op
	IsGlobal int32
	Index    int32
}

func (LoadVar) EncodeTo 

func (v LoadVar) EncodeTo(out []uint32) []uint32

func (LoadVar) Len 

func (v LoadVar) Len() int

func (LoadVar) OpCode 

func (v LoadVar) OpCode() Op

func (LoadVar) String 

func (v LoadVar) String() string

type Op 

type Op uint32

Op is an operation code.

func (Op) String 

func (op Op) String() string

type Push 

type Push struct {
	Op  Op
	Val int32
}

func (Push) EncodeTo 

func (v Push) EncodeTo(out []uint32) []uint32

func (Push) Len 

func (v Push) Len() int

func (Push) OpCode 

func (v Push) OpCode() Op

func (Push) String 

func (v Push) String() string

type Return 

type Return struct {
	Op Op
}

func (Return) EncodeTo 

func (v Return) EncodeTo(out []uint32) []uint32

func (Return) Len 

func (v Return) Len() int

func (Return) OpCode 

func (v Return) OpCode() Op

func (Return) String 

func (v Return) String() string

type Script 

type Script struct {
	// Strings table. Used by all string-related instructions.
	Strings []string
	// Funcs is a list of function definitions.
	//
	// First two functions are usually called GLOBAL and only define and initialize global variables.
	Funcs []FuncDef
}

Script is a decoded NoxScript.

func ReadScript 

func ReadScript(rd io.Reader) (*Script, error)

ReadScript reads the NoxScript binary section.

type StoreVar 

type StoreVar struct {
	Op Op
}

func (StoreVar) EncodeTo 

func (v StoreVar) EncodeTo(out []uint32) []uint32

func (StoreVar) Len 

func (v StoreVar) Len() int

func (StoreVar) OpCode 

func (v StoreVar) OpCode() Op

func (StoreVar) String 

func (v StoreVar) String() string

type UnaryOp 

type UnaryOp struct {
	Op Op
}

func (UnaryOp) EncodeTo 

func (v UnaryOp) EncodeTo(out []uint32) []uint32

func (UnaryOp) Len 

func (v UnaryOp) Len() int

func (UnaryOp) OpCode 

func (v UnaryOp) OpCode() Op

func (UnaryOp) String 

func (v UnaryOp) String() string

type VarDef 

type VarDef struct {
	// Size of a variable. It is > 1 for array variables.
	Size int
	// Offs is an offset for a given variable.
	Offs int
}

VarDef is a variable definition.

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