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SRB2/src/screen.c

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// SONIC ROBO BLAST 2
//-----------------------------------------------------------------------------
// Copyright (C) 1998-2000 by DooM Legacy Team.
// Copyright (C) 1999-2021 by Sonic Team Junior.
//
// This program is free software distributed under the
// terms of the GNU General Public License, version 2.
// See the 'LICENSE' file for more details.
//-----------------------------------------------------------------------------
/// \file screen.c
/// \brief Handles multiple resolutions, 8bpp/16bpp(highcolor) modes
#include "doomdef.h"
#include "doomstat.h"
#include "screen.h"
#include "console.h"
#include "am_map.h"
#include "i_system.h"
#include "i_video.h"
#include "r_local.h"
#include "r_sky.h"
#include "m_argv.h"
#include "m_misc.h"
#include "v_video.h"
#include "st_stuff.h"
#include "hu_stuff.h"
#include "z_zone.h"
#include "d_main.h"
#include "d_clisrv.h"
#include "f_finale.h"
#include "y_inter.h" // usebuffer
#include "i_sound.h" // closed captions
#include "s_sound.h" // ditto
#include "g_game.h" // ditto
#include "p_local.h" // P_AutoPause()
#ifdef HWRENDER
#include "hardware/hw_main.h"
#include "hardware/hw_light.h"
#include "hardware/hw_model.h"
#endif
#if defined (USEASM) && !defined (NORUSEASM)//&& (!defined (_MSC_VER) || (_MSC_VER <= 1200))
#define RUSEASM //MSC.NET can't patch itself
#endif
// --------------------------------------------
// assembly or c drawer routines for 8bpp/16bpp
// --------------------------------------------
void (*colfunc)(void);
void (*colfuncs[COLDRAWFUNC_MAX])(void);
void (*spanfunc)(void);
void (*spanfuncs[SPANDRAWFUNC_MAX])(void);
void (*spanfuncs_npo2[SPANDRAWFUNC_MAX])(void);
// ------------------
// global video state
// ------------------
viddef_t vid;
INT32 setmodeneeded; //video mode change needed if > 0 (the mode number to set + 1)
UINT8 setrenderneeded = 0;
static CV_PossibleValue_t scr_depth_cons_t[] = {{8, "8 bits"}, {16, "16 bits"}, {24, "24 bits"}, {32, "32 bits"}, {0, NULL}};
//added : 03-02-98: default screen mode, as loaded/saved in config
consvar_t cv_scr_width = CVAR_INIT ("scr_width", "1280", CV_SAVE, CV_Unsigned, NULL);
consvar_t cv_scr_height = CVAR_INIT ("scr_height", "800", CV_SAVE, CV_Unsigned, NULL);
consvar_t cv_scr_depth = CVAR_INIT ("scr_depth", "16 bits", CV_SAVE, scr_depth_cons_t, NULL);
consvar_t cv_renderview = CVAR_INIT ("renderview", "On", 0, CV_OnOff, NULL);
CV_PossibleValue_t cv_renderer_t[] = {
{1, "Software"},
#ifdef HWRENDER
{2, "OpenGL"},
#endif
{0, NULL}
};
consvar_t cv_renderer = CVAR_INIT ("renderer", "Software", CV_SAVE|CV_NOLUA|CV_CALL, cv_renderer_t, SCR_ChangeRenderer);
static void SCR_ChangeFullscreen(void);
consvar_t cv_fullscreen = CVAR_INIT ("fullscreen", "Yes", CV_SAVE|CV_CALL, CV_YesNo, SCR_ChangeFullscreen);
// =========================================================================
// SCREEN VARIABLES
// =========================================================================
INT32 scr_bpp; // current video mode bytes per pixel
UINT8 *scr_borderpatch; // flat used to fill the reduced view borders set at ST_Init()
// =========================================================================
// Short and Tall sky drawer, for the current color mode
void (*walldrawerfunc)(void);
boolean R_ASM = true;
boolean R_486 = false;
boolean R_586 = false;
boolean R_MMX = false;
boolean R_SSE = false;
boolean R_3DNow = false;
boolean R_MMXExt = false;
boolean R_SSE2 = false;
void SCR_SetDrawFuncs(void)
{
//
// setup the right draw routines for either 8bpp or 16bpp
//
if (true)//vid.bpp == 1) //Always run in 8bpp. todo: remove all 16bpp code?
{
colfuncs[BASEDRAWFUNC] = R_DrawColumn_8;
spanfuncs[BASEDRAWFUNC] = R_DrawSpan_8;
colfunc = colfuncs[BASEDRAWFUNC];
spanfunc = spanfuncs[BASEDRAWFUNC];
colfuncs[COLDRAWFUNC_FUZZY] = R_DrawTranslucentColumn_8;
colfuncs[COLDRAWFUNC_TRANS] = R_DrawTranslatedColumn_8;
colfuncs[COLDRAWFUNC_SHADE] = R_DrawShadeColumn_8;
colfuncs[COLDRAWFUNC_SHADOWED] = R_DrawColumnShadowed_8;
colfuncs[COLDRAWFUNC_TRANSTRANS] = R_DrawTranslatedTranslucentColumn_8;
colfuncs[COLDRAWFUNC_TWOSMULTIPATCH] = R_Draw2sMultiPatchColumn_8;
colfuncs[COLDRAWFUNC_TWOSMULTIPATCHTRANS] = R_Draw2sMultiPatchTranslucentColumn_8;
colfuncs[COLDRAWFUNC_FOG] = R_DrawFogColumn_8;
spanfuncs[SPANDRAWFUNC_TRANS] = R_DrawTranslucentSpan_8;
spanfuncs[SPANDRAWFUNC_TILTED] = R_DrawTiltedSpan_8;
spanfuncs[SPANDRAWFUNC_TILTEDTRANS] = R_DrawTiltedTranslucentSpan_8;
spanfuncs[SPANDRAWFUNC_SPLAT] = R_DrawSplat_8;
spanfuncs[SPANDRAWFUNC_TRANSSPLAT] = R_DrawTranslucentSplat_8;
spanfuncs[SPANDRAWFUNC_TILTEDSPLAT] = R_DrawTiltedSplat_8;
spanfuncs[SPANDRAWFUNC_SPRITE] = R_DrawFloorSprite_8;
spanfuncs[SPANDRAWFUNC_TRANSSPRITE] = R_DrawTranslucentFloorSprite_8;
spanfuncs[SPANDRAWFUNC_TILTEDSPRITE] = R_DrawTiltedFloorSprite_8;
spanfuncs[SPANDRAWFUNC_TILTEDTRANSSPRITE] = R_DrawTiltedTranslucentFloorSprite_8;
spanfuncs[SPANDRAWFUNC_WATER] = R_DrawTranslucentWaterSpan_8;
spanfuncs[SPANDRAWFUNC_TILTEDWATER] = R_DrawTiltedTranslucentWaterSpan_8;
spanfuncs[SPANDRAWFUNC_FOG] = R_DrawFogSpan_8;
// Lactozilla: Non-powers-of-two
spanfuncs_npo2[BASEDRAWFUNC] = R_DrawSpan_NPO2_8;
spanfuncs_npo2[SPANDRAWFUNC_TRANS] = R_DrawTranslucentSpan_NPO2_8;
spanfuncs_npo2[SPANDRAWFUNC_TILTED] = R_DrawTiltedSpan_NPO2_8;
spanfuncs_npo2[SPANDRAWFUNC_TILTEDTRANS] = R_DrawTiltedTranslucentSpan_NPO2_8;
spanfuncs_npo2[SPANDRAWFUNC_SPLAT] = R_DrawSplat_NPO2_8;
spanfuncs_npo2[SPANDRAWFUNC_TRANSSPLAT] = R_DrawTranslucentSplat_NPO2_8;
spanfuncs_npo2[SPANDRAWFUNC_TILTEDSPLAT] = R_DrawTiltedSplat_NPO2_8;
spanfuncs_npo2[SPANDRAWFUNC_SPRITE] = R_DrawFloorSprite_NPO2_8;
spanfuncs_npo2[SPANDRAWFUNC_TRANSSPRITE] = R_DrawTranslucentFloorSprite_NPO2_8;
spanfuncs_npo2[SPANDRAWFUNC_TILTEDSPRITE] = R_DrawTiltedFloorSprite_NPO2_8;
spanfuncs_npo2[SPANDRAWFUNC_TILTEDTRANSSPRITE] = R_DrawTiltedTranslucentFloorSprite_NPO2_8;
spanfuncs_npo2[SPANDRAWFUNC_WATER] = R_DrawTranslucentWaterSpan_NPO2_8;
spanfuncs_npo2[SPANDRAWFUNC_TILTEDWATER] = R_DrawTiltedTranslucentWaterSpan_NPO2_8;
spanfuncs_npo2[SPANDRAWFUNC_FOG] = NULL; // Not needed
#ifdef RUSEASM
if (R_ASM)
{
if (R_MMX)
{
colfuncs[BASEDRAWFUNC] = R_DrawColumn_8_MMX;
//colfuncs[COLDRAWFUNC_SHADE] = R_DrawShadeColumn_8_ASM;
//colfuncs[COLDRAWFUNC_FUZZY] = R_DrawTranslucentColumn_8_ASM;
colfuncs[COLDRAWFUNC_TWOSMULTIPATCH] = R_Draw2sMultiPatchColumn_8_MMX;
spanfuncs[BASEDRAWFUNC] = R_DrawSpan_8_MMX;
}
else
{
colfuncs[BASEDRAWFUNC] = R_DrawColumn_8_ASM;
//colfuncs[COLDRAWFUNC_SHADE] = R_DrawShadeColumn_8_ASM;
//colfuncs[COLDRAWFUNC_FUZZY] = R_DrawTranslucentColumn_8_ASM;
colfuncs[COLDRAWFUNC_TWOSMULTIPATCH] = R_Draw2sMultiPatchColumn_8_ASM;
}
}
#endif
}
/* else if (vid.bpp > 1)
{
I_OutputMsg("using highcolor mode\n");
spanfunc = basespanfunc = R_DrawSpan_16;
transcolfunc = R_DrawTranslatedColumn_16;
transtransfunc = R_DrawTranslucentColumn_16; // No 16bit operation for this function
colfunc = basecolfunc = R_DrawColumn_16;
shadecolfunc = NULL; // detect error if used somewhere..
fuzzcolfunc = R_DrawTranslucentColumn_16;
walldrawerfunc = R_DrawWallColumn_16;
}*/
else
I_Error("unknown bytes per pixel mode %d\n", vid.bpp);
/*
if (SCR_IsAspectCorrect(vid.width, vid.height))
CONS_Alert(CONS_WARNING, M_GetText("Resolution is not aspect-correct!\nUse a multiple of %dx%d\n"), BASEVIDWIDTH, BASEVIDHEIGHT);
*/
}
void SCR_SetMode(void)
{
if (dedicated)
return;
if (!(setmodeneeded || setrenderneeded) || WipeInAction)
return; // should never happen and don't change it during a wipe, BAD!
// Lactozilla: Renderer switching
if (setrenderneeded)
{
// stop recording movies (APNG only)
if (setrenderneeded && (moviemode == MM_APNG))
M_StopMovie();
// VID_SetMode will call VID_CheckRenderer itself,
// so no need to do this in here.
if (!setmodeneeded)
VID_CheckRenderer();
vid.recalc = 1;
}
// Set the video mode in the video interface.
if (setmodeneeded)
VID_SetMode(setmodeneeded - 1);
V_SetPalette(0);
SCR_SetDrawFuncs();
// set the apprpriate drawer for the sky (tall or INT16)
setmodeneeded = 0;
setrenderneeded = 0;
}
// do some initial settings for the game loading screen
//
void SCR_Startup(void)
{
const CPUInfoFlags *RCpuInfo = I_CPUInfo();
if (!M_CheckParm("-NOCPUID") && RCpuInfo)
{
#if defined (__i386__) || defined (_M_IX86) || defined (__WATCOMC__)
R_486 = true;
#endif
if (RCpuInfo->RDTSC)
R_586 = true;
if (RCpuInfo->MMX)
R_MMX = true;
if (RCpuInfo->AMD3DNow)
R_3DNow = true;
if (RCpuInfo->MMXExt)
R_MMXExt = true;
if (RCpuInfo->SSE)
R_SSE = true;
if (RCpuInfo->SSE2)
R_SSE2 = true;
CONS_Printf("CPU Info: 486: %i, 586: %i, MMX: %i, 3DNow: %i, MMXExt: %i, SSE2: %i\n", R_486, R_586, R_MMX, R_3DNow, R_MMXExt, R_SSE2);
}
if (M_CheckParm("-noASM"))
R_ASM = false;
if (M_CheckParm("-486"))
R_486 = true;
if (M_CheckParm("-586"))
R_586 = true;
if (M_CheckParm("-MMX"))
R_MMX = true;
if (M_CheckParm("-3DNow"))
R_3DNow = true;
if (M_CheckParm("-MMXExt"))
R_MMXExt = true;
if (M_CheckParm("-SSE"))
R_SSE = true;
if (M_CheckParm("-noSSE"))
R_SSE = false;
if (M_CheckParm("-SSE2"))
R_SSE2 = true;
M_SetupMemcpy();
if (dedicated)
{
V_Init();
V_SetPalette(0);
return;
}
vid.modenum = 0;
V_Init();
V_Recalc();
CV_RegisterVar(&cv_ticrate);
CV_RegisterVar(&cv_constextsize);
V_SetPalette(0);
}
// Called at new frame, if the video mode has changed
//
void SCR_Recalc(void)
{
if (dedicated)
return;
// bytes per pixel quick access
scr_bpp = vid.bpp;
V_Recalc();
// toggle off (then back on) the automap because some screensize-dependent values will
// be calculated next time the automap is activated.
if (automapactive)
{
am_recalc = true;
AM_Start();
}
// set the screen[x] ptrs on the new vidbuffers
V_Init();
// scr_viewsize doesn't change, neither detailLevel, but the pixels
// per screenblock is different now, since we've changed resolution.
R_SetViewSize(); //just set setsizeneeded true now ..
// vid.recalc lasts only for the next refresh...
con_recalc = true;
am_recalc = true;
#ifdef HWRENDER
// Shoot! The screen texture was flushed!
if ((rendermode == render_opengl) && (gamestate == GS_INTERMISSION))
usebuffer = false;
#endif
}
// Check for screen cmd-line parms: to force a resolution.
//
// Set the video mode to set at the 1st display loop (setmodeneeded)
//
void SCR_CheckDefaultMode(void)
{
INT32 scr_forcex, scr_forcey; // resolution asked from the cmd-line
if (dedicated)
return;
// 0 means not set at the cmd-line
scr_forcex = scr_forcey = 0;
if (M_CheckParm("-width") && M_IsNextParm())
scr_forcex = atoi(M_GetNextParm());
if (M_CheckParm("-height") && M_IsNextParm())
scr_forcey = atoi(M_GetNextParm());
if (scr_forcex && scr_forcey)
{
CONS_Printf(M_GetText("Using resolution: %d x %d\n"), scr_forcex, scr_forcey);
// returns -1 if not found, thus will be 0 (no mode change) if not found
setmodeneeded = VID_GetModeForSize(scr_forcex, scr_forcey) + 1;
}
else
{
CONS_Printf(M_GetText("Default resolution: %d x %d (%d bits)\n"), cv_scr_width.value,
cv_scr_height.value, cv_scr_depth.value);
// see note above
setmodeneeded = VID_GetModeForSize(cv_scr_width.value, cv_scr_height.value) + 1;
}
if (cv_renderer.value != (signed)rendermode)
{
if (chosenrendermode == render_none) // nothing set at command line
SCR_ChangeRenderer();
else
{
// Set cv_renderer to the current render mode
CV_StealthSetValue(&cv_renderer, rendermode);
}
}
}
// sets the modenum as the new default video mode to be saved in the config file
void SCR_SetDefaultMode(void)
{
// remember the default screen size
CV_SetValue(&cv_scr_width, vid.width);
CV_SetValue(&cv_scr_height, vid.height);
CV_SetValue(&cv_scr_depth, vid.bpp*8);
}
// Change fullscreen on/off according to cv_fullscreen
void SCR_ChangeFullscreen(void)
{
#ifdef DIRECTFULLSCREEN
// allow_fullscreen is set by VID_PrepareModeList
// it is used to prevent switching to fullscreen during startup
if (!allow_fullscreen)
return;
if (graphics_started)
{
VID_PrepareModeList();
setmodeneeded = VID_GetModeForSize(vid.width, vid.height) + 1;
}
return;
#endif
}
void SCR_ChangeRenderer(void)
{
if (chosenrendermode != render_none
|| (signed)rendermode == cv_renderer.value)
return;
#ifdef HWRENDER
// Check if OpenGL loaded successfully (or wasn't disabled) before switching to it.
if ((vid.glstate == VID_GL_LIBRARY_ERROR)
&& (cv_renderer.value == render_opengl))
{
if (M_CheckParm("-nogl"))
CONS_Alert(CONS_ERROR, "OpenGL rendering was disabled!\n");
else
CONS_Alert(CONS_ERROR, "OpenGL never loaded\n");
return;
}
if (rendermode == render_opengl && (vid.glstate == VID_GL_LIBRARY_LOADED)) // Clear these out before switching to software
HWR_ClearAllTextures();
#endif
// Set the new render mode
setrenderneeded = cv_renderer.value;
}
boolean SCR_IsAspectCorrect(INT32 width, INT32 height)
{
return
( width % BASEVIDWIDTH == 0
&& height % BASEVIDHEIGHT == 0
&& width / BASEVIDWIDTH == height / BASEVIDHEIGHT
);
}
// XMOD FPS display
// moved out of os-specific code for consistency
static boolean fpsgraph[TICRATE];
static tic_t lasttic;
void SCR_DisplayTicRate(void)
{
tic_t i;
tic_t ontic = I_GetTime();
tic_t totaltics = 0;
INT32 ticcntcolor = 0;
const INT32 h = vid.height-(8*vid.dupy);
if (gamestate == GS_NULL)
return;
for (i = lasttic + 1; i < TICRATE+lasttic && i < ontic; ++i)
fpsgraph[i % TICRATE] = false;
fpsgraph[ontic % TICRATE] = true;
for (i = 0;i < TICRATE;++i)
if (fpsgraph[i])
++totaltics;
if (totaltics <= TICRATE/2) ticcntcolor = V_REDMAP;
else if (totaltics == TICRATE) ticcntcolor = V_GREENMAP;
if (cv_ticrate.value == 2) // compact counter
V_DrawString(vid.width-(16*vid.dupx), h,
ticcntcolor|V_NOSCALESTART|V_USERHUDTRANS, va("%02d", totaltics));
else if (cv_ticrate.value == 1) // full counter
{
V_DrawString(vid.width-(72*vid.dupx), h,
V_YELLOWMAP|V_NOSCALESTART|V_USERHUDTRANS, "FPS:");
V_DrawString(vid.width-(40*vid.dupx), h,
ticcntcolor|V_NOSCALESTART|V_USERHUDTRANS, va("%02d/%02u", totaltics, TICRATE));
}
lasttic = ontic;
}
void SCR_DisplayLocalPing(void)
{
UINT32 ping = playerpingtable[consoleplayer]; // consoleplayer's ping is everyone's ping in a splitnetgame :P
if (cv_showping.value == 1 || (cv_showping.value == 2 && servermaxping && ping > servermaxping)) // only show 2 (warning) if our ping is at a bad level
{
INT32 dispy = cv_ticrate.value ? 180 : 189;
HU_drawPing(307, dispy, ping, true, V_SNAPTORIGHT | V_SNAPTOBOTTOM);
}
}
void SCR_ClosedCaptions(void)
{
UINT8 i;
boolean gamestopped = (paused || P_AutoPause());
INT32 basey = BASEVIDHEIGHT;
if (gamestate != wipegamestate)
return;
if (gamestate == GS_LEVEL)
{
if (promptactive)
basey -= 42;
else if (splitscreen)
basey -= 8;
else if ((modeattacking == ATTACKING_NIGHTS)
|| (!(maptol & TOL_NIGHTS)
&& ((cv_powerupdisplay.value == 2) // "Always"
|| (cv_powerupdisplay.value == 1 && !camera.chase)))) // "First-person only"
basey -= 16;
}
for (i = 0; i < NUMCAPTIONS; i++)
{
INT32 flags, y;
char dot;
boolean music;
if (!closedcaptions[i].s)
continue;
music = (closedcaptions[i].s-S_sfx == sfx_None);
if (music && !gamestopped && (closedcaptions[i].t < flashingtics) && (closedcaptions[i].t & 1))
continue;
flags = V_SNAPTORIGHT|V_SNAPTOBOTTOM|V_ALLOWLOWERCASE;
y = basey-((i + 2)*10);
if (closedcaptions[i].b)
y -= (closedcaptions[i].b--)*vid.dupy;
if (closedcaptions[i].t < CAPTIONFADETICS)
flags |= (((CAPTIONFADETICS-closedcaptions[i].t)/2)*V_10TRANS);
if (music)
dot = '\x19';
else if (closedcaptions[i].c && closedcaptions[i].c->origin)
dot = '\x1E';
else
dot = ' ';
V_DrawRightAlignedString(BASEVIDWIDTH - 20, y, flags,
va("%c [%s]", dot, (closedcaptions[i].s->caption[0] ? closedcaptions[i].s->caption : closedcaptions[i].s->name)));
}
}
void SCR_DisplayMarathonInfo(void)
{
INT32 flags = V_SNAPTOBOTTOM;
static tic_t entertic, oldentertics = 0, antisplice[2] = {48,0};
const char *str;
#if 0 // eh, this probably isn't going to be a problem
if (((signed)marathontime) < 0)
{
flags |= V_REDMAP;
str = "No waiting out the clock to submit a bogus time.";
}
else
#endif
{
entertic = I_GetTime();
if (gamecomplete)
flags |= V_YELLOWMAP;
else if (marathonmode & MA_INGAME)
; // see also G_Ticker
else if (marathonmode & MA_INIT)
marathonmode &= ~MA_INIT;
else
marathontime += entertic - oldentertics;
// Create a sequence of primes such that their LCM is nice and big.
#define PRIMEV1 13
#define PRIMEV2 17 // I can't believe it! I'm on TV!
antisplice[0] += (entertic - oldentertics)*PRIMEV2;
antisplice[0] %= PRIMEV1*((vid.width/vid.dupx)+1);
antisplice[1] += (entertic - oldentertics)*PRIMEV1;
antisplice[1] %= PRIMEV1*((vid.width/vid.dupx)+1);
str = va("%i:%02i:%02i.%02i",
G_TicsToHours(marathontime),
G_TicsToMinutes(marathontime, false),
G_TicsToSeconds(marathontime),
G_TicsToCentiseconds(marathontime));
oldentertics = entertic;
}
V_DrawFill((antisplice[0]/PRIMEV1)-1, BASEVIDHEIGHT-8, 1, 8, V_SNAPTOBOTTOM|V_SNAPTOLEFT);
V_DrawFill((antisplice[0]/PRIMEV1), BASEVIDHEIGHT-8, 1, 8, V_SNAPTOBOTTOM|V_SNAPTOLEFT|31);
V_DrawFill(BASEVIDWIDTH-((antisplice[1]/PRIMEV1)-1), BASEVIDHEIGHT-8, 1, 8, V_SNAPTOBOTTOM|V_SNAPTORIGHT);
V_DrawFill(BASEVIDWIDTH-((antisplice[1]/PRIMEV1)), BASEVIDHEIGHT-8, 1, 8, V_SNAPTOBOTTOM|V_SNAPTORIGHT|31);
#undef PRIMEV1
#undef PRIMEV2
V_DrawPromptBack(-8, cons_backcolor.value);
V_DrawCenteredString(BASEVIDWIDTH/2, BASEVIDHEIGHT-8, flags, str);
}
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