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Add color output for SDL backend using ANSI escapes

This commit is contained in:
Cacodemon345 2020-06-16 17:12:48 +06:00 committed by Christoph Oelckers
parent 6a5315bf76
commit 8952e598a4
1 changed files with 44 additions and 9 deletions
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53
src/common/platform/posix/sdl/i_system.cpp
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@ -54,6 +54,9 @@
#include "m_argv.h"
#include "i_sound.h"
#include "i_interface.h"
#include "v_font.h"
#include "c_cvars.h"
#include "palutil.h"
#ifndef NO_GTK
@ -65,6 +68,8 @@ int I_PickIWad_Cocoa (WadStuff *wads, int numwads, bool showwin, int defaultiwad
#endif
double PerfToSec, PerfToMillisec;
CVAR(Bool, con_printansi, true, CVAR_GLOBALCONFIG|CVAR_ARCHIVE);
CVAR(Bool, con_4bitansi, false, CVAR_GLOBALCONFIG|CVAR_ARCHIVE);
void I_SetIWADInfo()
{
@ -129,16 +134,47 @@ void CalculateCPUSpeed()
void I_PrintStr(const char *cp)
{
// Strip out any color escape sequences before writing to debug output
TArray<char> copy(strlen(cp) + 1, true);
const char * srcp = cp;
char * dstp = copy.Data();
FString printData = "";
while (*srcp != 0)
{
if (*srcp != 0x1c && *srcp != 0x1d && *srcp != 0x1e && *srcp != 0x1f)
if (*srcp == 0x1c && con_printansi)
{
*dstp++ = *srcp++;
srcp += 1;
EColorRange range = V_ParseFontColor((const uint8_t*&)srcp, CR_UNTRANSLATED, CR_YELLOW);
if (range != CR_UNDEFINED)
{
PalEntry color = V_LogColorFromColorRange(range);
if (con_4bitansi)
{
float h, s, v, r, g, b;
int attrib = 0;
RGBtoHSV(color.r / 255.f, color.g / 255.f, color.b / 255.f, &h, &s, &v);
if (s != 0)
{ // color
HSVtoRGB(&r, &g, &b, h, 1, 1);
if (r == 1) attrib = 0x4;
if (g == 1) attrib |= 0x2;
if (b == 1) attrib |= 0x1;
if (v > 0.6) attrib |= 0x8;
}
else
{ // gray
if (v < 0.33) attrib = 0x8;
else if (v < 0.90) attrib = 0x7;
else attrib = 0x15;
}
static unsigned char cga_to_ansi[] = { 0, 4, 2, 6, 1, 5, 3, 7 };
printData.AppendFormat("%c[%um",0x1B,((attrib & 0x8) ? 90 : 30) + (cga_to_ansi[attrib & 0x7]));
}
else printData.AppendFormat("%c[38;2;%u;%u;%um",27,color.r,color.g,color.b);
}
}
else if (*srcp != 0x1c && *srcp != 0x1d && *srcp != 0x1e && *srcp != 0x1f)
{
printData += *srcp++;
}
else
{
@ -146,10 +182,9 @@ void I_PrintStr(const char *cp)
else break;
}
}
*dstp = 0;
fputs(copy.Data(), stdout);
fflush(stdout);
fprintf(stdout,"%s",printData.GetChars());
fprintf(stdout,"%c[0m",0x1B);
}
int I_PickIWad (WadStuff *wads, int numwads, bool showwin, int defaultiwad)