engine

package

v0.0.0-...-0d9b2e2 Latest Latest Go to latest Published: May 3, 2024 License: Apache-2.0 Imports: 9 Imported by: 0

Details

Valid go.mod file
Redistributable license
Tagged version
Stable version
Learn more about best practices

Repository

github.com/christopher-weiss/GoDoom

Links

Open Source Insights

Documentation ¶

Index ¶

Constants
Variables
func DegToRad(angle float64) float64
func DrawMap(screen *ebiten.Image, currentMap *Map)
func DrawSubSector(screen *ebiten.Image, subSector SubSector, segs []Seg, vertexes []Vertex, ...)
func IsPlayerLeftOfSplitter(playerX float32, playerY float32, node Node, offsetX float32, offsetY float32) bool
func LoadWadFile(path string)
func RadToDeg(angle float64) float64
func ReadLumpData(directory Directory) []byte
func Traverse(nodeId int16, currentMap *Map, x float32, y float32, screen *ebiten.Image)
type BoundingBox
- func ConvertToBoundingBox(data int64) BoundingBox
type Directory
- func ReadDirectoryForLumpIndex(index int) Directory
type Linedef
type Map
- func ReadMapData(mapName string) Map
type Node
type Sector
type Seg
type SubSector
type Thing
type Vec2
type Vertex
type WadHeader

Constants ¶

View Source

const (
	NativeResX      = 320
	NativeResY      = 200
	ScaleFactor     = 5
	ScreenResX      = NativeResX * ScaleFactor
	ScreenRexY      = NativeResY * ScaleFactor
	ScreenCenterX   = ScreenResX / 2
	ScreenCenterY   = ScreenRexY / 2
	FieldOfView     = 90
	HalfFieldOfView = FieldOfView / 2
)

View Source

const (
	PlayerRotationSpeed float64 = 2
	PlayerMovementSpeed float64 = 2
)

View Source

const (
	ThingsOffset    int = 1
	LineDefsOffset  int = 2
	SideDefsOffset  int = 3
	VertexesOffset  int = 4
	SegsOffset      int = 5
	SubSectorOffset int = 6
	NodesOffset     int = 7
	SectorsOffset   int = 8
	RejectOffset    int = 9
	BlockmapOffset  int = 10
)

Index offsets between Map-marker and Map-objects

View Source

const (
	ThingsBlockSize    int32 = 10
	DirectoryBlockSize int32 = 16
	VertexesBlockSize  int32 = 4
	LinedefsBlockSize  int32 = 14
	SegsBlockSize      int32 = 12
	SubSectorBlockSize int32 = 4
	NodeBlockSize      int32 = 28
	SectorBlockSize    int32 = 24
)

Block sizes (in bytes)

Variables ¶

View Source

var DrawBoundingBoxesInMap bool = false

View Source

var PlayerAngle float64 = 180

View Source

var PlayerOffsetX float32 = 0

only for testing

View Source

var PlayerOffsetY float32 = 0

Functions ¶

func DegToRad ¶

func DegToRad(angle float64) float64

func DrawMap ¶

func DrawMap(screen *ebiten.Image, currentMap *Map)

func DrawSubSector ¶

func DrawSubSector(screen *ebiten.Image, subSector SubSector, segs []Seg, vertexes []Vertex, depthColor uint8)

func IsPlayerLeftOfSplitter ¶

func IsPlayerLeftOfSplitter(playerX float32, playerY float32, node Node, offsetX float32, offsetY float32) bool

func LoadWadFile ¶

func LoadWadFile(path string)

func RadToDeg ¶

func RadToDeg(angle float64) float64

func ReadLumpData ¶

func ReadLumpData(directory Directory) []byte

func Traverse ¶

func Traverse(nodeId int16, currentMap *Map, x float32, y float32, screen *ebiten.Image)

Types ¶

type BoundingBox ¶

type BoundingBox struct {
	// contains filtered or unexported fields
}

func ConvertToBoundingBox ¶

func ConvertToBoundingBox(data int64) BoundingBox

ConvertToBoundingBox converts data given as a 64-bit integer from the WAD file to the BoundingBox data structure.

type Directory ¶

type Directory struct {
	// contains filtered or unexported fields
}

func ReadDirectoryForLumpIndex ¶

func ReadDirectoryForLumpIndex(index int) Directory

type Linedef ¶

type Linedef struct {
	StartVertex  int16
	EndVertex    int16
	Flags        int16
	SpecialType  int16
	SectorTag    int16
	FrontSideDef int16
	BackSideDef  int16
}

type Map ¶

type Map struct {
	Name       string
	Things     []Thing
	Linedefs   []Linedef
	Vertexes   []Vertex
	Segs       []Seg
	SubSectors []SubSector
	Nodes      []Node
	Sectors    []Sector
}

func ReadMapData ¶

func ReadMapData(mapName string) Map

type Node ¶

type Node struct {
	// contains filtered or unexported fields
}

Node see: https://doom.fandom.com/wiki/Node

type Sector ¶

type Sector struct {
	// contains filtered or unexported fields
}

Sector see: https://doom.fandom.com/wiki/Sector

type Seg ¶

type Seg struct {
	// contains filtered or unexported fields
}

Seg see: https://doom.fandom.com/wiki/Seg

type SubSector ¶

type SubSector struct {
	// contains filtered or unexported fields
}

SubSector see: https://doom.fandom.com/wiki/Subsector

type Thing ¶

type Thing struct {
	XPosition int16
	YPosition int16
	Direction int16
	ThingType int16
	Flags     int16
}

Thing (see: https://doomwiki.org/wiki/Thing)

type Vec2 ¶

type Vec2 struct {
	// contains filtered or unexported fields
}

type Vertex ¶

type Vertex struct {
	XPosition int16
	YPosition int16
}

type WadHeader ¶

type WadHeader struct {
	// contains filtered or unexported fields
}

Source Files ¶

View all Source files

?	: This menu
/	: Search site
f or F	: Jump to
y or Y	: Canonical URL