Tool used to convert DOS LPF files to UQM .ani + presentations
git-svn-id: svn://svn.code.sf.net/p/sc2/code/trunk@1477 8092fc87-c524-0410-9efc-e669fe64eaf9
This commit is contained in:
avolkov
@@ -0,0 +1,161 @@
|
||||
#include <stdint.h>
|
||||
|
||||
#if defined(_MSC_VER)
|
||||
# define PACKED
|
||||
# pragma pack(push, 1)
|
||||
#elif defined(__GNUC__)
|
||||
# define PACKED __attribute__ ((packed))
|
||||
#endif
|
||||
|
||||
// LPF file layout
|
||||
//
|
||||
// header (0x40)
|
||||
// padding (?)
|
||||
// palette (0x400) - get offset from header
|
||||
// 4 bytes/color)
|
||||
// usually 0x100 colors
|
||||
// framepackinfos (?) - get offset from header
|
||||
// get number if packs from header
|
||||
// 1st pack
|
||||
// immediatelly follows framepackinfos
|
||||
// 2nd pack
|
||||
// offset = offset(1st pack) + 0x10000
|
||||
// ...
|
||||
// last pack
|
||||
// end
|
||||
|
||||
typedef struct
|
||||
{
|
||||
uint32_t PACKED magic; // "LPF "
|
||||
uint16_t PACKED cpackslots; // frame-pack slots
|
||||
uint16_t PACKED cpacks; // frame-pack count
|
||||
uint32_t PACKED cframes; // frame count
|
||||
uint16_t PACKED opal; // offset of palette
|
||||
uint16_t PACKED opacks; // offset of framepack infos
|
||||
uint32_t PACKED type; // "ANIM"
|
||||
uint16_t PACKED w; // animation width
|
||||
uint16_t PACKED h; // animation height
|
||||
uint16_t PACKED stuff1[0x14]; // who knows?
|
||||
uint32_t PACKED cframes2; // again?
|
||||
uint32_t PACKED fps; // frames/second
|
||||
} header;
|
||||
|
||||
#define PAL_COLORS 0x100
|
||||
|
||||
typedef union
|
||||
{
|
||||
struct {
|
||||
uint8_t b, g, r, a;
|
||||
} bchan;
|
||||
uint8_t channels[4];
|
||||
uint32_t rgba;
|
||||
} lpfpalcolor;
|
||||
|
||||
typedef struct
|
||||
{
|
||||
uint16_t PACKED frame; // first frame in this pack
|
||||
uint16_t PACKED cframes; // count of frames in this pack
|
||||
uint16_t PACKED datasize; // size of data in this pack
|
||||
} framepackinfo;
|
||||
|
||||
typedef struct
|
||||
{
|
||||
framepackinfo PACKED info; // pack info
|
||||
uint16_t PACKED za; // 0 word
|
||||
uint16_t PACKED sizes[1]; // frame-size array
|
||||
} framepack;
|
||||
|
||||
#define FRAMEPACK_SIZE(fpi) \
|
||||
(sizeof(framepack) + sizeof(uint16_t) * (fpi.cframes - 1))
|
||||
|
||||
typedef struct
|
||||
{
|
||||
uint16_t PACKED flags; // 0x0042 - frame flags?
|
||||
uint16_t PACKED csubs; // 0x0001 - count of subframes?
|
||||
// packed frame data follows
|
||||
} frameheader;
|
||||
|
||||
|
||||
// Frame Data
|
||||
// Everything is stored LSB first unless otherwise specified.
|
||||
//
|
||||
// The data is processed and dumped into the frame buffer linearly. If not
|
||||
// all of the frame buffer is covered by the data packets, the remaining
|
||||
// pixels are copied from the previous frame.
|
||||
//
|
||||
// Data Packet (typed packets follow and include the data described here):
|
||||
// length meaning
|
||||
// 1 type and count
|
||||
// - bit 7: type flag (FD_EXT_FLAG)
|
||||
// - bits 0-6: count
|
||||
// flag=0:
|
||||
// count=0: pixel repeat; Repeat Packet
|
||||
// count=N: quote next N; Quote Packet
|
||||
// flag=1:
|
||||
// count=0: 16-bit counts; Extended Packet
|
||||
// count=N: skip next N; Skip Packet
|
||||
//
|
||||
// Repeat Packet:
|
||||
// 1 type and count, always 0x00 for this packet type
|
||||
// 1 Repeat count
|
||||
// 1 Repeated pixel
|
||||
//
|
||||
// Quote Packet:
|
||||
// 1 type and count
|
||||
// - bit 7: type flag; always 0 for this packet type
|
||||
// - bits 0-6: Quoted pixel count
|
||||
// ? Quoted pixels; count specified by previous byte
|
||||
//
|
||||
// Skip Packet:
|
||||
// 1 type and count
|
||||
// - bit 7: type flag; always 1 for this packet type
|
||||
// - bits 0-6: Skipped pixel count; the pixels are copied
|
||||
// from the same location in the previous frame
|
||||
//
|
||||
// Extended Packet (typed packets follow and include the data described here):
|
||||
// 1 type and count, always 0x80 for this packet type
|
||||
// 2 extended type and count
|
||||
// - bit 15: type flag1 (FD_EXT_FLAG1)
|
||||
// when 0: Extended Skip Packet
|
||||
// - bits 0-14: Skipped pixel count
|
||||
// when 1:
|
||||
// - bit 14: type flag2 (FD_EXT_FLAG2)
|
||||
// when 0: Extended Quote Packet
|
||||
// when 1: Extended Repeat Packet
|
||||
// - bits 0-13: Repeat/Quote pixel count
|
||||
//
|
||||
// Extended Skip Packet:
|
||||
// 1 type and count, always 0x80 for this packet type
|
||||
// 2 extended type and count
|
||||
// - bit 15: type flag1 (FD_EXT_FLAG1), always 0
|
||||
// - bits 0-14: Skipped pixel count; the pixels are copied
|
||||
// from the same location in the previous frame
|
||||
//
|
||||
// Extended Quote Packet:
|
||||
// 1 type and count, always 0x80 for this packet type
|
||||
// 2 extended type and count
|
||||
// - bit 15: type flag1 (FD_EXT_FLAG1), always 1
|
||||
// - bit 14: type flag2 (FD_EXT_FLAG2), always 0
|
||||
// - bits 0-13: Quoted pixel count
|
||||
// ? Quoted pixels; count specified by previous word
|
||||
//
|
||||
// Extended Repeat Packet:
|
||||
// 1 type and count, always 0x80 for this packet type
|
||||
// 2 extended type and count
|
||||
// - bit 15: type flag1 (FD_EXT_FLAG1), always 1
|
||||
// - bit 14: type flag2 (FD_EXT_FLAG2), always 1
|
||||
// - bits 0-13: Repeat count
|
||||
// 1 Repeated pixel
|
||||
//
|
||||
#define FD_EXT_FLAG 0x0080
|
||||
#define FD_COUNT_MASK 0x007f
|
||||
#define FD_EXT_FLAG1 0x8000
|
||||
#define FD_EXT_FLAG2 0x4000
|
||||
#define FD_EXT_SCOUNT_MASK 0x7fff
|
||||
#define FD_EXT_RCOUNT_MASK 0x3fff
|
||||
#define FD_EXT_QCOUNT_MASK FD_EXT_RCOUNT_MASK
|
||||
|
||||
#if defined(_MSC_VER)
|
||||
# pragma pack(pop)
|
||||
#endif
|
||||
#undef PACKED
|
||||
Reference in New Issue
Block a user