Source VTF

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Format Type: Image
Extensions: vtf / xtf
Platforms: unknown
Endian Order: Little Endian

Format Specifications

IMAGE --> Valve Texture Format IMAGE FORMAT CODES... (ref: https://developer.valvesoftware.com/wiki/Valve_Texture_Format) 0 = RGBA8888 1 = ABGR8888 2 = RGB888 3 = BGR888 4 = RGB565 5 = I8 6 = IA88 7 = P8 8 = A8 9 = RGB888_BLUESCREEN 10 = BGR888_BLUESCREEN 11 = ARGB8888 12 = BGRA8888 13 = DXT1 14 = DXT3 15 = DXT5 16 = BGRX8888 17 = BGR565 18 = BGRX5551 19 = BGRA4444 20 = DXT1_ONEBITALPHA 21 = BGRA5551 22 = UV88 23 = UVWQ8888 24 = RGBA16161616F 25 = RGBA16161616 26 = UVLX8888 IMAGE HEADER uint32 {4} - Header ("VTF" + (byte)0) uint32 {4} - Version Major (7) uint32 {4} - Version Minor (2/3) uint32 {4} - Header Size (80 + resourceDirectorySize) uint16 {2} - Width uint16 {2} - Height uint32 {4} - Flags uint16 {2} - Number of Frames (1 = no animation) uint16 {2} - First Frame Number uint32 {4} - null Padding to 16 bytes uint32 {4} - Reflectivity Vector 1 uint32 {4} - Reflectivity Vector 1 uint32 {4} - Reflectivity Vector 1 uint32 {4} - null Padding to 16 bytes uint32 {4} - Bumpmap Scale uint32 {4} - High Resolution Image Format byte {1} - Mipmap Count uint32 {4} - Low Resolution Image Format (13) byte {1} - Low Resolution Width byte {1} - Low Resolution Height uint16 {2} - Image Depth if (version == 7.3+){ byte {3} - null Padding to 4 bytes uint32 {4} - Number of Resources } byte {8/15} - null Padding to offset 80 byte {X} - Low Resolution Image Data RESOURCE DIRECTORY (version 7.3+ only) byte {X} - Other Resource Data for each mipmap (smallest to largest) for each frame (first to last) for each face (first to last) for each Z slice (min to max) byte {X} - High Resolution Image Data