static int GLua_BitStream_ReadData(lua_State *L) {
GLua_Bitstream_t *stream = GLua_CheckBitStream(L, 1);
unsigned int len = luaL_checkinteger(L, 2);
luaL_Buffer B;
char s[4];
if (!stream->reading) {
luaL_error(L, "Attempted to read from a write-only bitstream");
return 0;
}
luaL_buffinit(L, &B);
while (len >= 4) {
*(unsigned int *)s = BitStream_ReadBits(&stream->stream, 32);
luaL_addlstring(&B, s, 4);
len -= 4;
}
switch (len)
{
case 3:
luaL_addchar(&B, BitStream_ReadBits(&stream->stream, 8));
case 2:
luaL_addchar(&B, BitStream_ReadBits(&stream->stream, 8));
case 1:
luaL_addchar(&B, BitStream_ReadBits(&stream->stream, 8));
default:
break;
}
luaL_pushresult(&B);
return 1;
}
static int GLua_BitStream_ReadBits(lua_State *L) {
GLua_Bitstream_t *stream = GLua_CheckBitStream(L, 1);
int bits = luaL_checkinteger(L, 2);
unsigned int val;
if (!stream->reading) {
luaL_error(L, "Attempted to read from a write-only bitstream");
return 0;
}
val = BitStream_ReadBits(&stream->stream, bits);
lua_pushinteger(L, val);
return 1;
}
// Message Processor
void JKG_Slice_ProcessCommand_f(void)
{
char arg[1024] = {0};
char data[840];
int len;
int i, row, col;
sfxHandle_t sfx;
bitstream_t stream;
trap->Cmd_Argv(1, arg, 1024);
len = Base128_DecodeLength(strlen(arg));
Base128_Decode(arg, strlen(arg), data, 840);
BitStream_Init(&stream, (unsigned char *)data, len);
BitStream_BeginReading(&stream);
for (;;)
{
switch (BitStream_ReadBits(&stream, 4)) // Get the next instruction
{
case SLICECMD_EOM:
// End of message
return;
case SLICECMD_START:
// Reset data
memset(&sliceData, 0, sizeof(sliceData));
sliceData.active = qtrue;
// Bring up UI
trap->Cvar_Set("ui_hidehud", "1");
Menus_CloseAll();
if (Menus_ActivateByName("jkg_slice"))
{
trap->Key_SetCatcher( trap->Key_GetCatcher() | KEYCATCH_UI & ~KEYCATCH_CONSOLE );
}
Menu_ClearFocus(Menus_FindByName("jkg_slice"));
// Field is locked until all data is available
sliceData.fieldLocked = qtrue;
break;
case SLICECMD_STOP:
// End the slicing minigame
sliceData.active = qfalse;
Menus_CloseByName("jkg_slice");
trap->Cvar_Set("ui_hidehud", "0");
trap->Key_SetCatcher( trap->Key_GetCatcher() & ~KEYCATCH_UI );
break;
case SLICECMD_CONFIG:
// Receive configuration
sliceData.width = BitStream_ReadBits(&stream, 3) + 1;
sliceData.height = BitStream_ReadBits(&stream, 3) + 1;
sliceData.securityLevels = BitStream_ReadBits(&stream, 3);
sliceData.warningThreshold = BitStream_ReadBits(&stream, 5);
sliceData.intrusionDetection = BitStream_ReadBool(&stream);
if (sliceData.intrusionDetection) {
sliceData.intrusionTime = BitStream_ReadByte(&stream) * 10;
} else {
sliceData.intrusionTime = 0;
}
sliceData.intrusionStart = 0;
break;
case SLICECMD_REVEAL:
row = BitStream_ReadBits(&stream, 3);
col = BitStream_ReadBits(&stream, 3);
sliceData.grid[row][col].active = 1;
sliceData.grid[row][col].revealTime = trap->Milliseconds();
sliceData.grid[row][col].type = BitStream_ReadBits(&stream, 3);
break;
case SLICECMD_LOCK:
if (BitStream_ReadBool(&stream)) {
sliceData.fieldLocked = qtrue;
} else {
sliceData.fieldLocked = qfalse;
}
break;
case SLICECMD_PROGLST:
JKG_Slice_ProgramListReset();
sliceData.selectedProgram = -1;
sliceData.programCount = BitStream_ReadBits(&stream, 4);
for (i = 0; i < sliceData.programCount; i++)
{
Q_strncpyz(sliceData.programs[i].ID, BitStream_ReadStringBuffered(&stream), sizeof(sliceData.programs[i].ID));
Q_strncpyz(sliceData.programs[i].name, BitStream_ReadStringBuffered(&stream), sizeof(sliceData.programs[i].name));
Q_strncpyz(sliceData.programs[i].desc, BitStream_ReadStringBuffered(&stream), sizeof(sliceData.programs[i].desc));
sliceData.programs[i].type = BitStream_ReadBits(&stream, 2);
}
break;
case SLICECMD_SHOWMSG:
{
int mode = BitStream_ReadBits(&stream, 2);
char buffer[3][256];
BitStream_ReadString(&stream, buffer[0], 256);
BitStream_ReadString(&stream, buffer[1], 256);
BitStream_ReadString(&stream, buffer[2], 256);
JKG_Slice_Dialog_Show(buffer[0], buffer[1], buffer[2], mode, DLGID_SERVER);
}
break;
case SLICECMD_ENDMSG:
JKG_Slice_Dialog_Close();
break;
case SLICECMD_SUMMARY:
// Process column summaries
for (i=0; i < sliceData.width; i++) {
sliceData.summaries[i].value = BitStream_ReadBits(&stream, 6);
sliceData.summaries[i].alarms = BitStream_ReadBits(&stream, 4);
}
// Process row summaries
for (i=0; i < sliceData.height; i++) {
sliceData.summaries[8+i].value = BitStream_ReadBits(&stream, 6);
sliceData.summaries[8+i].alarms = BitStream_ReadBits(&stream, 4);
}
sliceData.summariesKnown = qtrue;
break;
case SLICECMD_SECUPDATE:
for (i = 0; i < sliceData.securityLevels; i++) {
sliceData.securityState[i] = BitStream_ReadBits(&stream, 2);
}
break;
case SLICECMD_INTRUSION:
// TODO: Play sound effect?
sliceData.intrusionState = BitStream_ReadBits(&stream, 2);
if (sliceData.intrusionState == 1) {
sliceData.intrusionStart = trap->Milliseconds();
} else {
sliceData.intrusionStart = 0;
}
break;
case SLICECMD_WARNLEVEL:
sliceData.warningLevel = BitStream_ReadBits(&stream, 5);
break;
case SLICECMD_BLINKNODE:
row = BitStream_ReadBits(&stream, 3);
col = BitStream_ReadBits(&stream, 3);
sliceData.grid[row][col].blinkTime = trap->Milliseconds();
sliceData.grid[row][col].blinkColor = BitStream_ReadBool(&stream);
break;
case SLICECMD_INITFIELD:
// Ready to play
sliceData.fieldLocked = qfalse;
break;
case SLICECMD_ALARM:
sfx = trap->S_RegisterSound("sound/effects/mpalarm.wav");
trap->S_StartLocalSound(sfx, CHAN_AUTO);
break;
default:
Com_Printf("Error processing slice command, unknown command ID\n");
return;
}
}
}
