UnrealXR/raylib-go
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This commit is contained in:
Milan Nikolic 2017-02-01 01:50:51 +01:00
parent 0682698f0b
commit 969ba1dc21
8 changed files with 125 additions and 81 deletions
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19
raylib/rres.go
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@ -12,7 +12,7 @@ import (
// rRES file header (8 byte)
type RRESFileHeader struct {
// File identifier: rRES (4 byte)
Id [4]int8
ID [4]int8
// File version and subversion (2 byte)
Version uint16
// Number of resources in this file (2 byte)
@ -22,7 +22,7 @@ type RRESFileHeader struct {
// rRES info header, every resource includes this header (16 byte + 16 byte)
type RRESInfoHeader struct {
// Resource unique identifier (4 byte)
Id uint32
ID uint32
// Resource data type (1 byte)
DataType uint8
// Resource data compression type (1 byte)
@ -71,6 +71,7 @@ const (
RRESCompBrotli
)
// Image formats
const (
// 8 bit per pixel (no alpha)
RRESImUncompGrayscale = iota + 1
@ -110,6 +111,7 @@ const (
RRESImCompAstc8x8Rgba
)
// RRESVert
const (
RRESVertPosition = iota
RRESVertTexcoord1
@ -122,6 +124,7 @@ const (
RRESVertIndex
)
// RRESVert
const (
RRESVertByte = iota
RRESVertShort
@ -133,12 +136,12 @@ const (
// Load resource from file (only one)
// NOTE: Returns uncompressed data with parameters, only first resource found
func LoadResource(fileName string) []byte {
return LoadResourceById(fileName, 0)
return LoadResourceByID(fileName, 0)
}
// Load resource from file by id
// NOTE: Returns uncompressed data with parameters, search resource by id
func LoadResourceById(fileName string, rresId int) (data []byte) {
func LoadResourceByID(fileName string, rresID int) (data []byte) {
file, err := os.Open(fileName)
if err != nil {
TraceLog(LogWarning, "[%s] rRES raylib resource file could not be opened", fileName)
@ -159,7 +162,7 @@ func LoadResourceById(fileName string, rresId int) (data []byte) {
//fmt.Printf("%+v\n", fileHeader)
// Verify "rRES" identifier
id := fmt.Sprintf("%c", fileHeader.Id)
id := fmt.Sprintf("%c", fileHeader.ID)
if id != "[r R E S]" {
TraceLog(LogWarning, "[%s] This is not a valid raylib resource file", fileName)
return
@ -179,7 +182,7 @@ func LoadResourceById(fileName string, rresId int) (data []byte) {
file.Seek(int64(unsafe.Sizeof(infoHeader)), os.SEEK_CUR)
if int(infoHeader.Id) == rresId {
if int(infoHeader.ID) == rresID {
// Read resource data block
data = make([]byte, infoHeader.DataSize)
file.Read(data)
@ -194,7 +197,7 @@ func LoadResourceById(fileName string, rresId int) (data []byte) {
}
if len(data) > 0 {
TraceLog(LogInfo, "[%s][ID %d] Resource data loaded successfully", fileName, infoHeader.Id)
TraceLog(LogInfo, "[%s][ID %d] Resource data loaded successfully", fileName, infoHeader.ID)
}
} else {
// Skip required data to read next resource infoHeader
@ -203,7 +206,7 @@ func LoadResourceById(fileName string, rresId int) (data []byte) {
}
if len(data) == 0 {
TraceLog(LogInfo, "[%s][ID %d] Requested resource could not be found", fileName, rresId)
TraceLog(LogInfo, "[%s][ID %d] Requested resource could not be found", fileName, rresID)
}
return