"snapshotmaps" command

Takes two screenshots for a list of maps that have an "Alternate View Point" thing with tag 0 -- one intended for level select pictures and another for Discord Rich Presence. If no view point exists, the map is skipped.

src/console.c

@@ -1887,7 +1887,7 @@ void CON_Drawer(void)
 {
 	Lock_state();
 
-	if (!con_started || !graphics_started)
+	if (!con_started || !graphics_started || g_takemapthumbnail != TMT_NO)
 	{
 		Unlock_state();
 		return;

src/d_main.cpp

@@ -365,6 +365,11 @@ static bool D_Display(bool world)
 
 	ZoneScoped;
 
+	if (g_takemapthumbnail != TMT_NO)
+	{
+		forcerefresh = true;
+	}
+
 	if (!dedicated)
 	{
 		if (nodrawers)
@@ -638,6 +643,7 @@ static bool D_Display(bool world)
 
 			// rhi: display the software framebuffer to the screen
 			//if (rendermode == render_soft)
+			if (g_takemapthumbnail == TMT_NO)
 			{
 				// TODO: THIS SHOULD IDEALLY BE IN REGULAR HUD CODE !!
 				// (st_stuff.c ST_Drawer, also duplicated in k_podium.c)
@@ -671,12 +677,12 @@ static bool D_Display(bool world)
 						V_DrawCustomFadeScreen("FADEMAP0", fade);
 					}
 				}
+			}
 
 			if (rendermode == render_soft)
 			{
 				VID_DisplaySoftwareScreen();
 			}
-			}
 
 			if (lastdraw)
 			{
@@ -2319,3 +2325,58 @@ const char *D_Home(void)
 	if (usehome) return userhome;
 	else return NULL;
 }
+
+void D_TakeMapSnapshots(void)
+{
+	// This function sucks ass!
+
+	const INT32 old_mode = vid.modenum;
+	player_t *const player = &players[consoleplayer];
+	mobj_t *newViewMobj = NULL;
+
+	newViewMobj = P_FindObjectTypeFromTag(MT_ALTVIEWMAN, 0);
+	if (newViewMobj == NULL)
+	{
+		// No camera? Skip.
+		CONS_Alert(CONS_WARNING, M_GetText("Map %s does not have an Alternate View Point with tag 0. Unable to create thumbnails.\n"), G_BuildMapName(gamemap));
+		return;
+	}
+
+	P_SetTarget(&player->awayview.mobj, newViewMobj);
+	player->awayview.tics = -1;
+	R_ResetViewInterpolation(0);
+
+	camera[0].x = player->awayview.mobj->x;
+	camera[0].y = player->awayview.mobj->y;
+	camera[0].z = player->awayview.mobj->z;
+	camera[0].angle = player->awayview.mobj->angle;
+	camera[0].aiming = player->awayview.mobj->pitch;
+	camera[0].subsector = player->awayview.mobj->subsector;
+
+	// Force Software mode
+	if (rendermode != 0)
+	{
+		setrenderneeded = 0;
+		D_Display(true);
+	}
+
+	// Render snapshot at game resolution (level select)
+	g_takemapthumbnail = TMT_PICTURE;
+	setmodeneeded = VID_GetModeForSize(BASEVIDWIDTH, BASEVIDHEIGHT) + 1;
+	D_Display(true);
+	I_CaptureVideoFrame();
+
+	// Render snapshot at 1024x1024 (rich presence)
+	g_takemapthumbnail = TMT_RICHPRES;
+	setmodeneeded = VID_GetModeForSize(1024, 1024) + 1;
+	D_Display(true);
+	I_CaptureVideoFrame();
+
+	// Revert mode to user preference
+	if (vid.modenum != old_mode)
+	{
+		setmodeneeded = old_mode + 1;
+		D_Display(true);
+	}
+}
+

src/d_main.h

@@ -55,6 +55,8 @@ void D_ProcessEvents(boolean callresponders);
 
 const char *D_Home(void);
 
+void D_TakeMapSnapshots(void);
+
 //
 // BASE LEVEL
 //

src/d_netcmd.c

@@ -194,6 +194,7 @@ static void Command_Automate_Set(void);
 static void Command_Eval(void);
 
 static void Command_WriteTextmap(void);
+static void Command_SnapshotMaps(void);
 
 #ifdef DEVELOP
 static void Command_FastForward(void);
@@ -446,6 +447,7 @@ void D_RegisterServerCommands(void)
 	COM_AddDebugCommand("eval", Command_Eval);
 
 	COM_AddCommand("writetextmap", Command_WriteTextmap);
+	COM_AddCommand("snapshotmaps", Command_SnapshotMaps);
 
 	// for master server connection
 	AddMServCommands();
@@ -6823,6 +6825,76 @@ ROUNDQUEUE_MAX
 	CON_ToggleOff();
 }
 
+static void Command_SnapshotMaps(void)
+{
+	if (COM_Argc() < 2)
+	{
+		CONS_Printf(
+			"snapshotmaps <map> [map2...]: Create a thumbnail screenshot for the specified levels.\n"
+			"- Use the full map name, e.g. RR_TestRun.\n"
+			"- You can give this command UP TO %d map names and it will create images for all of them.\n"
+			"- This command generates two images -- one 320x200 for the PICTURE lump, another 1024x1024 for rich presence.\n"
+			"- The map requires a \"snapshot camera\" object to have been placed.\n"
+			"- The location of the generated images will appear in the console.\n",
+			ROUNDQUEUE_MAX
+		);
+		return;
+	}
+
+	if (Playing())
+	{
+		CONS_Alert(CONS_ERROR, "This command cannot be used in-game. Return to the titlescreen first!\n");
+		return;
+	}
+
+	if (COM_Argc() - 1 > ROUNDQUEUE_MAX)
+	{
+		CONS_Alert(CONS_ERROR, "Cannot snapshot more than %d maps. Try again.\n", ROUNDQUEUE_MAX);
+		return;
+	}
+
+	// Start up a "minor" grand prix session
+	memset(&grandprixinfo, 0, sizeof(struct grandprixinfo));
+	memset(&roundqueue, 0, sizeof(struct roundqueue));
+
+	grandprixinfo.gamespeed = KARTSPEED_NORMAL;
+	grandprixinfo.masterbots = false;
+
+	grandprixinfo.gp = true;
+	grandprixinfo.cup = NULL;
+	grandprixinfo.wonround = false;
+
+	grandprixinfo.initalize = true;
+
+	roundqueue.position = 1;
+	roundqueue.roundnum = 1;
+	roundqueue.snapshotmaps = true;
+
+	size_t i;
+
+	for (i = 1; i < COM_Argc(); ++i)
+	{
+		INT32 map = G_MapNumber(COM_Argv(i));
+
+		if (map < 0 || map >= nummapheaders)
+		{
+			CONS_Alert(CONS_WARNING, "%s: Map doesn't exist. Not doing anything.\n", COM_Argv(i));
+
+			// clear round queue (to be safe)
+			memset(&roundqueue, 0, sizeof(struct roundqueue));
+			return;
+		}
+
+		INT32 gt = G_GuessGametypeByTOL(mapheaderinfo[map]->typeoflevel);
+
+		G_MapIntoRoundQueue(map, gt != -1 ? gt : GT_RACE, false, false);
+	}
+
+	D_MapChange(1 + roundqueue.entries[0].mapnum, roundqueue.entries[0].gametype, false, true, 1, false, false);
+
+	CON_ToggleOff();
+}
+
 #ifdef DEVELOP
 static void Command_FastForward(void)
 {

src/g_game.c

@@ -1296,6 +1296,10 @@ void G_PreLevelTitleCard(void)
 //
 boolean G_IsTitleCardAvailable(void)
 {
+	// We're trying to take map pictures dude
+	if (roundqueue.snapshotmaps == true)
+		return false;
+
 	// Don't show for attract demos
 	if (demo.attract)
 		return false;

src/g_game.h

@@ -71,6 +71,7 @@ extern struct roundqueue
 	UINT8 size;								// Number of entries in the round queue
 	boolean netcommunicate;					// As server, should we net-communicate this in XD_MAP?
 	boolean writetextmap;					// This queue is for automated map conversion
+	boolean snapshotmaps;					// This queue is for automated map thumbnails
 	roundentry_t entries[ROUNDQUEUE_MAX];	// Entries in the round queue
 } roundqueue;
 

src/hwr2/screen_capture.cpp

@@ -23,7 +23,7 @@ ScreenshotPass::~ScreenshotPass() = default;
 
 void ScreenshotPass::capture(Rhi& rhi, Handle<GraphicsContext> ctx)
 {
-	bool doing_screenshot = takescreenshot || moviemode != MM_OFF;
+	bool doing_screenshot = takescreenshot || moviemode != MM_OFF || g_takemapthumbnail != TMT_NO;
 
 	if (!doing_screenshot)
 	{
@@ -48,6 +48,11 @@ void ScreenshotPass::capture(Rhi& rhi, Handle<GraphicsContext> ctx)
 		std::move(&pixel_data_[pixel_data_row * read_stride], &pixel_data_[pixel_data_row * read_stride + stride], &packed_data_[row * stride]);
 	}
 
+	if (g_takemapthumbnail != TMT_NO)
+	{
+		M_SaveMapThumbnail(width_, height_, tcb::as_bytes(tcb::span(packed_data_)));
+	}
+
 	if (takescreenshot)
 	{
 		M_DoScreenShot(width_, height_, tcb::as_bytes(tcb::span(packed_data_)));

src/k_hud.cpp

@@ -6124,7 +6124,7 @@ void K_drawKartHUD(void)
 				K_drawKartPlayerCheck();
 
 		// nametags
-		if (LUA_HudEnabled(hud_names) && cv_drawpickups.value)
+		if (LUA_HudEnabled(hud_names) && R_DrawPickups())
 			K_drawKartNameTags();
 
 		// Draw WANTED status

src/k_menudraw.c

@@ -989,7 +989,7 @@ void M_Drawer(void)
 	}
 
 	// draw pause pic
-	if (paused && !demo.playback && (menuactive || cv_showhud.value))
+	if (paused && !demo.playback && (menuactive || R_ShowHUD()))
 	{
 		M_DrawPausedText(0);
 	}

src/m_misc.cpp

@@ -156,6 +156,8 @@ boolean takescreenshot = false; // Take a screenshot this tic
 
 moviemode_t moviemode = MM_OFF;
 
+g_takemapthumbnail_t g_takemapthumbnail = TMT_NO;
+
 char joinedIPlist[NUMLOGIP][2][MAX_LOGIP];
 char joinedIP[MAX_LOGIP];
 
@@ -1854,6 +1856,46 @@ failure:
 #endif
 }
 
+void M_SaveMapThumbnail(UINT32 width, UINT32 height, tcb::span<const std::byte> data)
+{
+#ifdef USE_PNG
+#if NUMSCREENS > 2
+
+	char *filepath;
+	switch (g_takemapthumbnail)
+	{
+		case TMT_PICTURE:
+		default:
+		{
+			filepath = va("%s" PATHSEP "PICTURE_%s.png", srb2home, G_BuildMapName(gamemap));
+			break;
+		}
+		case TMT_RICHPRES:
+		{
+			filepath = va("%s" PATHSEP "map_%s.png", srb2home, G_BuildMapName(gamemap));
+			break;
+		}
+	}
+
+	// save the file
+	const void* pixel_data = static_cast<const void*>(data.data());
+	boolean ret = M_SavePNG(filepath, pixel_data, width, height, NULL);
+
+	if (ret)
+	{
+		CONS_Printf(M_GetText("Created thumbnail at \"%s\"\n"), filepath);
+	}
+	else
+	{
+		CONS_Alert(CONS_ERROR, M_GetText("Couldn't create %s\n"), filepath);
+	}
+
+	g_takemapthumbnail = TMT_NO;
+
+#endif // #ifdef USE_PNG
+#endif // #if NUMSCREENS > 2
+}
+
 void M_ScreenshotTicker(void)
 {
 	const UINT8 pid = 0; // TODO: should splitscreen players be allowed to use this too?

src/m_misc.h

@@ -31,6 +31,8 @@
 void M_DoScreenShot(uint32_t width, uint32_t height, tcb::span<const std::byte> data);
 void M_SaveFrame(uint32_t width, uint32_t height, tcb::span<const std::byte> data);
 
+void M_SaveMapThumbnail(uint32_t width, uint32_t height, tcb::span<const std::byte> data);
+
 extern "C" {
 #endif
 
@@ -43,6 +45,13 @@ typedef enum {
 } moviemode_t;
 extern moviemode_t moviemode;
 
+typedef enum {
+	TMT_NO = 0,
+	TMT_PICTURE,
+	TMT_RICHPRES,
+} g_takemapthumbnail_t;
+extern g_takemapthumbnail_t g_takemapthumbnail;
+
 extern consvar_t cv_screenshot_colorprofile;
 extern consvar_t cv_lossless_recorder;
 extern consvar_t cv_zlib_memory, cv_zlib_level, cv_zlib_strategy, cv_zlib_window_bits;

src/p_mobj.c

@@ -14090,6 +14090,17 @@ static mobj_t *P_SpawnMobjFromMapThing(mapthing_t *mthing, fixed_t x, fixed_t y,
 	return mobj;
 }
 
+static boolean P_DoomEdNumIsNOP(UINT16 type)
+{
+	if (type == EDITOR_CAM_DOOMEDNUM)
+	{
+		// 3D Mode start Thing
+		return true;
+	}
+
+	return (type == 0);
+}
+
 //
 // P_SpawnMapThing
 // The fields of the mapthing should
@@ -14101,12 +14112,9 @@ mobj_t *P_SpawnMapThing(mapthing_t *mthing)
 	mobj_t *mobj = NULL;
 	fixed_t x, y, z;
 
-	if (!mthing->type)
+	if (P_DoomEdNumIsNOP(mthing->type))
 		return mobj; // Ignore type-0 things as NOPs
 
-	if (mthing->type == 3328) // 3D Mode start Thing
-		return mobj;
-
 	if (!objectplacing && P_SpawnNonMobjMapThing(mthing))
 		return mobj;
 

src/p_mobj.h

@@ -595,6 +595,8 @@ extern INT32 numcheatchecks;
 extern UINT16 bossdisabled;
 extern boolean stoppedclock;
 
+#define EDITOR_CAM_DOOMEDNUM (3328)
+
 #ifdef __cplusplus
 } // extern "C"
 #endif

src/p_setup.cpp

@@ -8920,6 +8920,35 @@ void P_PostLoadLevel(void)
 	// We're now done loading the level.
 	levelloading = false;
 
+	if (roundqueue.snapshotmaps == true)
+	{
+		if (roundqueue.size > 0)
+		{
+			D_TakeMapSnapshots();
+
+			G_GetNextMap();
+
+			// roundqueue is wiped after the last round, but
+			// preserve this to track state into the Podium!
+			roundqueue.snapshotmaps = true;
+
+			G_NextLevel();
+			return;
+		}
+		else
+		{
+			// Podium: snapshotmaps is finished. Yay!
+			HU_DoTitlecardCEcho(NULL, va("Congratulations,\\%s!\\Check the console!", cv_playername[0].string), true);
+
+			livestudioaudience_timer = 0;
+			LiveStudioAudience();
+
+			CONS_Printf("\n\n\x83""snapshotmaps: Find your images in %s\n", srb2home);
+
+			roundqueue.snapshotmaps = false;
+		}
+	}
+
 	TracyCZoneEnd(__zone);
 }
 

src/p_user.c

@@ -3200,6 +3200,9 @@ boolean P_MoveChaseCamera(player_t *player, camera_t *thiscam, boolean resetcall
 	thiscam->old_angle = thiscam->angle;
 	thiscam->old_aiming = thiscam->aiming;
 
+	if (roundqueue.snapshotmaps == true)
+		return true;
+
 	// We probably shouldn't move the camera if there is no player or player mobj somehow
 	if (!player || !player->mo)
 		return true;

src/r_main.cpp

@@ -41,6 +41,7 @@
 #include "doomstat.h" // MAXSPLITSCREENPLAYERS
 #include "r_fps.h" // Frame interpolation/uncapped
 #include "core/thread_pool.h"
+#include "m_misc.h"
 
 #ifdef HWRENDER
 #include "hardware/hw_main.h"
@@ -969,6 +970,16 @@ void R_CheckFOV(void)
 	}
 }
 
+boolean R_ShowHUD(void)
+{
+	if (g_takemapthumbnail != TMT_NO)
+	{
+		return false;
+	}
+
+	return (boolean)cv_showhud.value;
+}
+
 //
 // R_ExecuteSetViewSize
 //
@@ -988,7 +999,7 @@ void R_ExecuteSetViewSize(void)
 		return;
 
 	// status bar overlay
-	st_overlay = cv_showhud.value;
+	st_overlay = R_ShowHUD();
 
 	scaledviewwidth = vid.width;
 	viewheight = vid.height;

src/r_main.h

@@ -182,6 +182,8 @@ void R_ExecuteSetViewSize(void);
 fixed_t R_FOV(int split);
 void R_CheckFOV(void);
 
+boolean R_ShowHUD(void);
+
 void R_SetupFrame(int split);
 void R_SkyboxFrame(int split);
 

src/r_things.cpp

@@ -3765,13 +3765,23 @@ void R_ClipSprites(drawseg_t* dsstart, portal_t* portal)
 	}
 }
 
+boolean R_DrawPickups(void)
+{
+	if (g_takemapthumbnail != TMT_NO)
+	{
+		return false;
+	}
+
+	return (boolean)cv_drawpickups.value;
+}
+
 /* Check if thing may be drawn from our current view. */
 boolean R_ThingVisible (mobj_t *thing)
 {
 	if (thing->sprite == SPR_NULL)
 		return false;
 
-	if (!cv_drawpickups.value)
+	if (!R_DrawPickups())
 	{
 		switch (thing->type)
 		{

src/r_things.h

@@ -76,6 +76,7 @@ void R_ClearSprites(void);
 UINT8 R_GetBoundingBoxColor(mobj_t *thing);
 boolean R_ThingBoundingBoxVisible(mobj_t *thing);
 
+boolean R_DrawPickups(void);
 boolean R_ThingVisible (mobj_t *thing);
 
 boolean R_ThingWithinDist (mobj_t *thing,

src/sdl/i_video.cpp

@@ -91,7 +91,7 @@
 #endif
 
 // maximum number of windowed modes (see windowedModes[][])
-#define MAXWINMODES (18)
+#define MAXWINMODES (19)
 
 using namespace srb2;
 
@@ -158,6 +158,7 @@ static INT32 windowedModes[MAXWINMODES][2] =
 	{1280, 800}, // 1.60,4.00
 	{1280, 720}, // 1.66
 	{1152, 864}, // 1.33,3.60
+	{1024,1024}, // SPECIAL, for snapshot taker
 	{1024, 768}, // 1.33,3.20
 	{ 800, 600}, // 1.33,2.50
 	{ 640, 480}, // 1.33,2.00