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Fix compatibility with existing demo files after the migration

Browse source 
to q16 angle and horiz. The original SW_PACKET structure,
named OLD_SW_PACKET here, is used while accessing demo files.
This commit is contained in:
NY00123 2020-04-03 15:09:53 +03:00 committed by Christoph Oelckers
parent 0431f5ffed
commit 1a46afaf27
2 changed files with 53 additions and 12 deletions
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54
source/sw/src/demo.cpp
View file

@ -194,7 +194,8 @@ DemoWriteHeader(void)
dsp.z = pp->posz;
fwrite(&dsp, sizeof(dsp), 1, DemoFileOut);
fwrite(&pp->Flags, sizeof(pp->Flags), 1, DemoFileOut);
fwrite(&pp->q16ang, sizeof(pp->q16ang), 1, DemoFileOut);
int16_t ang = fix16_to_int(pp->q16ang);
fwrite(&ang, sizeof(ang), 1, DemoFileOut);
}
fwrite(&Skill, sizeof(Skill), 1, DemoFileOut);
@ -252,25 +253,56 @@ DemoReadHeader(void)
//pp->cursectnum = 0;
//updatesectorz(pp->posx, pp->posy, pp->posz, &pp->cursectnum);
DREAD(&pp->Flags, sizeof(pp->Flags), 1, DemoFileIn);
DREAD(&pp->q16ang, sizeof(pp->q16ang), 1, DemoFileIn);
int16_t ang;
DREAD(&ang, sizeof(ang), 1, DemoFileIn);
pp->q16ang = fix16_from_int(ang);
}
DREAD(&Skill, sizeof(Skill), 1, DemoFileIn);
DREAD(&gNet, sizeof(gNet), 1, DemoFileIn);
}
// TODO: Write all data at once
static void
DemoWritePackets(const SW_PACKET *buffer, int32_t count, FILE *f)
{
OLD_SW_PACKET packet;
for (; count > 0; ++buffer, --count)
{
packet.vel = B_LITTLE16(buffer->vel);
packet.svel = B_LITTLE16(buffer->svel);
packet.angvel = fix16_to_int(buffer->q16avel);
packet.aimvel = fix16_to_int(buffer->q16horz);
packet.bits = B_LITTLE32(buffer->bits);
fwrite(&packet, sizeof(packet), 1, f);
}
}
// TODO: Read all data at once
static void
DemoReadPackets(SW_PACKET *buffer, int32_t count, DFILE f)
{
OLD_SW_PACKET packet;
for (; count > 0; ++buffer, --count)
{
DREAD(&packet, sizeof(packet), 1, f);
buffer->vel = B_LITTLE16(packet.vel);
buffer->svel = B_LITTLE16(packet.svel);
buffer->q16avel = fix16_from_int(packet.angvel);
buffer->q16horz = fix16_from_int(packet.aimvel);
buffer->bits = B_LITTLE32(packet.bits);
}
}
void
DemoDebugWrite(void)
{
int size;
DemoFileOut = fopen(DemoFileName, "ab");
ASSERT(DemoFileOut);
size = sizeof(SW_PACKET) * DemoDebugBufferMax;
fwrite(&DemoBuffer, size, 1, DemoFileOut);
memset(&DemoBuffer, -1, size);
DemoWritePackets(DemoBuffer, DemoDebugBufferMax, DemoFileOut);
memset(DemoBuffer, -1, sizeof(SW_PACKET) * DemoDebugBufferMax);
fclose(DemoFileOut);
}
@ -278,7 +310,7 @@ DemoDebugWrite(void)
void
DemoWriteBuffer(void)
{
fwrite(&DemoBuffer, sizeof(DemoBuffer), 1, DemoFileOut);
DemoWritePackets(DemoBuffer, sizeof(DemoBuffer)/sizeof(*DemoBuffer), DemoFileOut);
memset(&DemoBuffer, -1, sizeof(DemoBuffer));
}
@ -286,7 +318,7 @@ void
DemoReadBuffer(void)
{
memset(&DemoBuffer, -1, sizeof(DemoBuffer));
DREAD(&DemoBuffer, sizeof(DemoBuffer), 1, DemoFileIn);
DemoReadPackets(DemoBuffer, sizeof(DemoBuffer)/sizeof(*DemoBuffer), DemoFileIn);
}
void
@ -300,7 +332,7 @@ DemoBackupBuffer(void)
char NewDemoFileName[16] = "!";
// seek backwards to beginning of last buffer
fseek(OldDemoFile, -sizeof(DemoBuffer), SEEK_CUR);
fseek(OldDemoFile, -sizeof(DemoBuffer)/sizeof(*DemoBuffer)*sizeof(OLD_SW_PACKET), SEEK_CUR);
pos = ftell(OldDemoFile);
// open a new edit file
@ -347,7 +379,7 @@ DemoTerm(void)
// write at least 1 record at the end filled with -1
// just for good measure
memset(&DemoBuffer[0], -1, sizeof(DemoBuffer[0]));
fwrite(&DemoBuffer[0], sizeof(DemoBuffer[0]), 1, DemoFileOut);
DemoWritePackets(DemoBuffer, 1, DemoFileOut);
fclose(DemoFileOut);
DemoFileOut = NULL;

11
source/sw/src/game.h
View file

@ -1063,9 +1063,18 @@ enum
};
// TODO: Support compatible read/write of struct for big-endian
#pragma pack(push,1)
typedef struct
{
int16_t vel;
int16_t svel;
int8_t angvel;
int8_t aimvel;
int32_t bits;
} OLD_SW_PACKET;
// TODO: Support compatible read/write of struct for big-endian
typedef struct
{
int16_t vel;
int16_t svel;