Bot controller is stored on the sector now

- Moved destination tag off of linedef tag and into args.
- Bot controller values can be changed mid-level with ACS. (Linedefs using type 2004 will still be activated on level load.)
- Add flag to make bots fastfall

src/d_player.h

@@ -367,7 +367,6 @@ struct botvars_t
 	// All entries above persist between rounds and must be recorded in demos
 
 	fixed_t rubberband; // Bot rubberband value
-	UINT16 controller; // Special bot controller linedef ID
 
 	tic_t itemdelay; // Delay before using item at all
 	tic_t itemconfirm; // When high enough, they will use their item

src/g_game.c

@@ -2333,7 +2333,6 @@ void G_PlayerReborn(INT32 player, boolean betweenmaps)
 	p->ringvolume = 255;
 
 	p->botvars.rubberband = FRACUNIT;
-	p->botvars.controller = UINT16_MAX;
 
 	p->spectatorReentry = spectatorReentry;
 	p->griefValue = griefValue;

src/k_bot.cpp

@@ -379,74 +379,23 @@ static fixed_t K_BotSpeedScaled(player_t *player, fixed_t speed)
 }
 
 /*--------------------------------------------------
-	static line_t *K_FindBotController(mobj_t *mo)
+	botcontroller_t *K_GetBotController(mobj_t *mobj)
 
-		Finds if any bot controller linedefs are tagged to the bot's sector.
-
-	Input Arguments:-
-		mo - The bot player's mobj.
-
-	Return:-
-		Linedef of the bot controller. nullptr if it doesn't exist.
+		See header file for description.
 --------------------------------------------------*/
-static line_t *K_FindBotController(mobj_t *mo)
+botcontroller_t *K_GetBotController(mobj_t *mobj)
 {
-	msecnode_t *node;
-	ffloor_t *rover;
-	INT16 lineNum = -1;
-	mtag_t tag;
-
-	I_Assert(mo != nullptr);
-	I_Assert(!P_MobjWasRemoved(mo));
-
-	for (node = mo->touching_sectorlist; node; node = node->m_sectorlist_next)
-	{
-		if (!node->m_sector)
-		{
-			continue;
-		}
-
-		tag = Tag_FGet(&node->m_sector->tags);
-		lineNum = P_FindSpecialLineFromTag(2004, tag, -1); // todo: needs to not use P_FindSpecialLineFromTag
-
-		if (lineNum != -1)
-		{
-			break;
-		}
-
-		for (rover = node->m_sector->ffloors; rover; rover = rover->next)
-		{
-			sector_t *rs = nullptr;
-
-			if (!(rover->fofflags & FOF_EXISTS))
-			{
-				continue;
-			}
-
-			if (mo->z > *rover->topheight || mo->z + mo->height < *rover->bottomheight)
-			{
-				continue;
-			}
-
-			rs = &sectors[rover->secnum];
-			tag = Tag_FGet(&rs->tags);
-			lineNum = P_FindSpecialLineFromTag(2004, tag, -1);
-
-			if (lineNum != -1)
-			{
-				break;
-			}
-		}
-	}
-
-	if (lineNum != -1)
-	{
-		return &lines[lineNum];
-	}
-	else
+	if (P_MobjWasRemoved(mobj) == true)
 	{
 		return nullptr;
 	}
+
+	if (mobj->subsector == nullptr || mobj->subsector->sector == nullptr)
+	{
+		return nullptr;
+	}
+
+	return &mobj->subsector->sector->botController;
 }
 
 /*--------------------------------------------------
@@ -555,18 +504,10 @@ fixed_t K_BotRubberband(player_t *player)
 		return FRACUNIT;
 	}
 
-	if (player->botvars.controller != UINT16_MAX)
+	const botcontroller_t *botController = K_GetBotController(player->mo);
+	if (botController != nullptr && (botController->flags & TMBOT_NORUBBERBAND) == TMBOT_NORUBBERBAND) // Disable rubberbanding
 	{
-		const line_t *botController = &lines[player->botvars.controller];
-
-		if (botController != nullptr)
-		{
-			// Disable rubberbanding
-			if (botController->args[1] & TMBOT_NORUBBERBAND)
-			{
-				return FRACUNIT;
-			}
-		}
+		return FRACUNIT;
 	}
 
 	for (i = 0; i < MAXPLAYERS; i++)
@@ -1121,19 +1062,19 @@ static void K_DrawPredictionDebug(botprediction_t *predict, player_t *player)
 }
 
 /*--------------------------------------------------
-	static void K_BotTrick(player_t *player, ticcmd_t *cmd, line_t *botController)
+	static void K_BotTrick(player_t *player, ticcmd_t *cmd, const botcontroller_t *botController)
 
 		Determines inputs for trick panels.
 
 	Input Arguments:-
 		player - Player to generate the ticcmd for.
 		cmd - The player's ticcmd to modify.
-		botController - Linedef for the bot controller. 
+		botController - Bot controller struct.
 
 	Return:-
 		None
 --------------------------------------------------*/
-static void K_BotTrick(player_t *player, ticcmd_t *cmd, const line_t *botController)
+static void K_BotTrick(player_t *player, ticcmd_t *cmd, const botcontroller_t *botController)
 {
 	// Trick panel state -- do nothing until a controller line is found, in which case do a trick.
 	if (botController == nullptr)
@@ -1143,21 +1084,18 @@ static void K_BotTrick(player_t *player, ticcmd_t *cmd, const line_t *botControl
 
 	if (player->trickpanel == 1)
 	{
-		INT32 type = botController->args[0];
-
-		// Y Offset: Trick type
-		switch (type)
+		switch (botController->trick)
 		{
-			case 1:
+			case TMBOTTR_LEFT:
 				cmd->turning = KART_FULLTURN;
 				break;
-			case 2:
+			case TMBOTTR_RIGHT:
 				cmd->turning = -KART_FULLTURN;
 				break;
-			case 3:
+			case TMBOTTR_UP:
 				cmd->throwdir = KART_FULLTURN;
 				break;
-			case 4:
+			case TMBOTTR_DOWN:
 				cmd->throwdir = -KART_FULLTURN;
 				break;
 		}
@@ -1531,7 +1469,6 @@ static void K_BuildBotTiccmdNormal(player_t *player, ticcmd_t *cmd)
 	angle_t destangle = 0;
 	UINT8 spindash = 0;
 	INT32 turnamt = 0;
-	const line_t *botController = player->botvars.controller != UINT16_MAX ? &lines[player->botvars.controller] : nullptr;
 
 	if (!(gametyperules & GTR_BOTS) // No bot behaviors
 		|| K_GetNumWaypoints() == 0 // No waypoints
@@ -1554,15 +1491,9 @@ static void K_BuildBotTiccmdNormal(player_t *player, ticcmd_t *cmd)
 		if (!cv_botcontrol.value)
 			return;
 	#endif
+
 	// Actual gameplay behaviors below this block!
-
-	if (K_TryRingShooter(player) == true)
-	{
-		// We want to respawn. Simply hold Y and stop here!
-		cmd->buttons |= (BT_RESPAWN | BT_EBRAKEMASK);
-		return;
-	}
-
+	const botcontroller_t *botController = K_GetBotController(player->mo);
 	if (player->trickpanel != 0)
 	{
 		K_BotTrick(player, cmd, botController);
@@ -1571,29 +1502,45 @@ static void K_BuildBotTiccmdNormal(player_t *player, ticcmd_t *cmd)
 		return;
 	}
 
-	if (botController != nullptr && (botController->args[1] & TMBOT_NOCONTROL))
+	if (botController != nullptr && (botController->flags & TMBOT_NOCONTROL) == TMBOT_NOCONTROL)
 	{
 		// Disable bot controls entirely.
 		return;
 	}
 
+	if (K_TryRingShooter(player) == true)
+	{
+		// We want to respawn. Simply hold Y and stop here!
+		cmd->buttons |= (BT_RESPAWN | BT_EBRAKEMASK);
+		return;
+	}
+
 	destangle = player->mo->angle;
 
-	if (botController != nullptr && (botController->args[1] & TMBOT_FORCEDIR))
+	if (botController != nullptr && (botController->flags & TMBOT_FORCEDIR) == TMBOT_FORCEDIR)
 	{
 		const fixed_t dist = DEFAULT_WAYPOINT_RADIUS * player->mo->scale;
 
-		// X Offset: Movement direction
-		destangle = FixedAngle(botController->args[2] * FRACUNIT);
-
 		// Overwritten prediction
 		predict = static_cast<botprediction_t *>(Z_Calloc(sizeof(botprediction_t), PU_STATIC, nullptr));
 
-		predict->x = player->mo->x + FixedMul(dist, FINECOSINE(destangle >> ANGLETOFINESHIFT));
-		predict->y = player->mo->y + FixedMul(dist, FINESINE(destangle >> ANGLETOFINESHIFT));
+		predict->x = player->mo->x + FixedMul(dist, FINECOSINE(botController->forceAngle >> ANGLETOFINESHIFT));
+		predict->y = player->mo->y + FixedMul(dist, FINESINE(botController->forceAngle >> ANGLETOFINESHIFT));
 		predict->radius = (DEFAULT_WAYPOINT_RADIUS / 4) * mapobjectscale;
 	}
 
+	if (P_IsObjectOnGround(player->mo) == false)
+	{
+		if (botController != nullptr && (botController->flags & TMBOT_FASTFALL) == TMBOT_FASTFALL)
+		{
+			// Fast fall!
+			cmd->buttons |= BT_EBRAKEMASK;
+			return;
+		}
+
+		return;
+	}
+
 	if (leveltime <= starttime && finishBeamLine != nullptr)
 	{
 		// Handle POSITION!!
@@ -1838,9 +1785,6 @@ void K_BuildBotTiccmd(player_t *player, ticcmd_t *cmd)
 --------------------------------------------------*/
 void K_UpdateBotGameplayVars(player_t *player)
 {
-	const line_t *botController;
-
-	player->botvars.controller = UINT16_MAX;
 	player->botvars.rubberband = FRACUNIT;
 
 	if (gamestate != GS_LEVEL || !player->mo)
@@ -1849,8 +1793,5 @@ void K_UpdateBotGameplayVars(player_t *player)
 		return;
 	}
 
-	botController = K_FindBotController(player->mo);
-
-	player->botvars.controller = botController ? (botController - lines) : UINT16_MAX;
 	player->botvars.rubberband = K_UpdateRubberband(player);
 }

src/k_bot.h

@@ -13,6 +13,7 @@
 #ifndef __K_BOT__
 #define __K_BOT__
 
+#include "typedef.h"
 #include "k_waypoint.h"
 #include "d_player.h"
 #include "r_defs.h"
@@ -85,6 +86,22 @@ boolean K_PlayerUsesBotMovement(player_t *player);
 boolean K_BotCanTakeCut(player_t *player);
 
 
+/*--------------------------------------------------
+	botcontroller_t *K_GetBotController(mobj_t *mobj)
+
+		Retrieves the current bot controller values from
+		the player's current sector.
+
+	Input Arguments:-
+		mobj - The player's object to get the bot controller for.
+
+	Return:-
+		Pointer to the sector's bot controller struct.
+--------------------------------------------------*/
+
+botcontroller_t *K_GetBotController(mobj_t *mobj);
+
+
 /*--------------------------------------------------
 	fixed_t K_BotMapModifier(void);
 

src/p_saveg.c

@@ -611,7 +611,6 @@ static void P_NetArchivePlayers(savebuffer_t *save)
 		WRITEUINT8(save->p, players[i].botvars.diffincrease);
 		WRITEUINT8(save->p, players[i].botvars.rival);
 		WRITEFIXED(save->p, players[i].botvars.rubberband);
-		WRITEUINT16(save->p, players[i].botvars.controller);
 		WRITEUINT32(save->p, players[i].botvars.itemdelay);
 		WRITEUINT32(save->p, players[i].botvars.itemconfirm);
 		WRITESINT8(save->p, players[i].botvars.turnconfirm);
@@ -1126,7 +1125,6 @@ static void P_NetUnArchivePlayers(savebuffer_t *save)
 		players[i].botvars.diffincrease = READUINT8(save->p);
 		players[i].botvars.rival = (boolean)READUINT8(save->p);
 		players[i].botvars.rubberband = READFIXED(save->p);
-		players[i].botvars.controller = READUINT16(save->p);
 		players[i].botvars.itemdelay = READUINT32(save->p);
 		players[i].botvars.itemconfirm = READUINT32(save->p);
 		players[i].botvars.turnconfirm = READSINT8(save->p);
@@ -1729,6 +1727,7 @@ static void P_NetUnArchiveColormaps(savebuffer_t *save)
 
 //diff5 flags
 #define SD_ACTIVATION 0x01
+#define SD_BOTCONTROLLER 0x02
 
 static boolean P_SectorArgsEqual(const sector_t *sc, const sector_t *spawnsc)
 {
@@ -1964,6 +1963,12 @@ static void ArchiveSectors(savebuffer_t *save)
 			diff4 |= SD_STRINGARGS;
 		if (ss->activation != spawnss->activation)
 			diff5 |= SD_ACTIVATION;
+		if (ss->botController.trick != spawnss->botController.trick
+			|| ss->botController.flags != spawnss->botController.flags
+			|| ss->botController.forceAngle != spawnss->botController.forceAngle)
+		{
+			diff5 |= SD_BOTCONTROLLER;
+		}
 
 		if (ss->ffloors && CheckFFloorDiff(ss))
 			diff |= SD_FFLOORS;
@@ -2076,6 +2081,12 @@ static void ArchiveSectors(savebuffer_t *save)
 			}
 			if (diff5 & SD_ACTIVATION)
 				WRITEUINT32(save->p, ss->activation);
+			if (diff5 & SD_BOTCONTROLLER)
+			{
+				WRITEUINT8(save->p, ss->botController.trick);
+				WRITEUINT32(save->p, ss->botController.flags);
+				WRITEANGLE(save->p, ss->botController.forceAngle);
+			}
 
 			if (diff & SD_FFLOORS)
 				ArchiveFFloors(save, ss);
@@ -2232,6 +2243,12 @@ static void UnArchiveSectors(savebuffer_t *save)
 		}
 		if (diff5 & SD_ACTIVATION)
 			sectors[i].activation = READUINT32(save->p);
+		if (diff5 & SD_BOTCONTROLLER)
+		{
+			sectors[i].botController.trick = READUINT8(save->p);
+			sectors[i].botController.flags = READUINT32(save->p);
+			sectors[i].botController.forceAngle = READANGLE(save->p);
+		}
 
 		if (diff & SD_FFLOORS)
 			UnArchiveFFloors(save, &sectors[i]);

src/p_spec.c

@@ -1380,7 +1380,8 @@ boolean P_CanActivateSpecial(INT16 special)
 	{
 		case 2001: // Finish line
 		case 2003: // Respawn line
-		case 2005: // Dismount Flying Object	(always true here so that conditions are only kept on execution)
+		case 2004: // Bot controller
+		case 2005: // Dismount Flying Object
 		{
 			return true;
 		}
@@ -2474,6 +2475,20 @@ mobj_t* P_FindObjectTypeFromTag(mobjtype_t type, mtag_t tag)
 	}
 }
 
+static void K_UpdateBotControllers(INT32 *args)
+{
+	INT32 secnum;
+
+	TAG_ITER_SECTORS(args[0], secnum)
+	{
+		sector_t *const sec = sectors + secnum;
+
+		sec->botController.trick = args[1];
+		sec->botController.flags = args[2];
+		sec->botController.forceAngle = FixedAngle(args[3] * FRACUNIT);
+	}
+}
+
 /** Processes the line special triggered by an object.
   *
   * \param line Line with the special command on it.
@@ -4418,8 +4433,8 @@ boolean P_ProcessSpecial(activator_t *activator, INT16 special, INT32 *args, cha
 
 			if ((gametyperules & GTR_CIRCUIT) && (mo->player->exiting == 0) && !(mo->player->pflags & PF_HITFINISHLINE))
 			{
-				if (((line->args[0] & TMCFF_FLIP) && (side == 0))
-					|| (!(line->args[0] & TMCFF_FLIP) && (side == 1))) // crossed from behind to infront
+				if (((args[0] & TMCFF_FLIP) && (side == 0))
+					|| (!(args[0] & TMCFF_FLIP) && (side == 1))) // crossed from behind to infront
 				{
 					K_HandleLapIncrement(mo->player);
 
@@ -4446,7 +4461,7 @@ boolean P_ProcessSpecial(activator_t *activator, INT16 special, INT32 *args, cha
 			if
 				(
 						mo->player->respawn.state == RESPAWNST_NONE &&
-						(!(line->args[0] & TMCRF_FRONTONLY) || side == 0)
+						(!(args[0] & TMCRF_FRONTONLY) || side == 0)
 				)
 			{
 				P_DamageMobj(mo, NULL, NULL, 1, DMG_DEATHPIT);
@@ -4454,6 +4469,12 @@ boolean P_ProcessSpecial(activator_t *activator, INT16 special, INT32 *args, cha
 		}
 		break;
 
+		case 2004: // Bot Controller.
+		{
+			K_UpdateBotControllers(args);
+			break;
+		}
+
 		case 2005: // Dismount Flying object
 			// the rideroid is a bit complex so it's the one controlling the player rather than the player controlling it.
 			// so it is the object needing to be checked for rather than the player
@@ -7641,6 +7662,10 @@ void P_SpawnSpecials(boolean fromnetsave)
 				}
 				break;
 
+			case 2004: // Bot Controller.
+				K_UpdateBotControllers(lines[i].args);
+				break;
+
 			default:
 				break;
 		}

src/p_spec.h

@@ -525,8 +525,18 @@ typedef enum
 	TMBOT_NORUBBERBAND = 1,
 	TMBOT_NOCONTROL    = 1<<1,
 	TMBOT_FORCEDIR     = 1<<2,
+	TMBOT_FASTFALL     = 1<<3,
 } textmapbotcontroller_t;
 
+typedef enum
+{
+	TMBOTTR_NONE = 0,
+	TMBOTTR_LEFT = 1,
+	TMBOTTR_RIGHT = 2,
+	TMBOTTR_UP = 3,
+	TMBOTTR_DOWN = 4,
+} textmapbottrick_t;
+
 typedef enum
 {
 	TMLOOP_ALPHA = 0,

src/r_defs.h

@@ -32,6 +32,8 @@
 
 #include "k_mapuser.h"
 
+#include "k_bot.h" // botcontroller_t
+
 #ifdef __cplusplus
 extern "C" {
 #endif
@@ -331,6 +333,14 @@ struct pslope_t
 #endif
 };
 
+// Per-sector bot controller override
+struct botcontroller_t
+{
+	UINT8 trick;
+	UINT32 flags;
+	angle_t forceAngle;
+};
+
 typedef enum
 {
 	// flipspecial - planes with effect
@@ -552,6 +562,9 @@ struct sector_t
 	// colormap structure
 	extracolormap_t *spawn_extra_colormap;
 
+	// Ring Racers bots
+	botcontroller_t botController;
+
 	// Action specials
 	INT16 action;
 	INT32 args[NUM_SCRIPT_ARGS];

src/typedef.h

@@ -182,6 +182,7 @@ TYPEDEF (weakspot_t);
 
 // k_bot.h
 TYPEDEF (botprediction_t);
+TYPEDEF (botcontroller_t);
 
 // k_brightmap.h
 TYPEDEF (brightmapStorage_t);