Code cleanup

- K_FindBotController returns the line_t directly, instead of a linedef index.
- Trick panel code is in its own function.
- Try to fix infinite bot heat death

src/k_bot.c

@@ -288,11 +288,10 @@ boolean K_BotCanTakeCut(player_t *player)
 	}
 
 	return false;
-#endif
 }
 
 /*--------------------------------------------------
-	static INT16 K_FindBotController(mobj_t *mo)
+	static line_t *K_FindBotController(mobj_t *mo)
 
 		Finds if any bot controller linedefs are tagged to the bot's sector.
 
@@ -300,9 +299,9 @@ boolean K_BotCanTakeCut(player_t *player)
 		mo - The bot player's mobj.
 
 	Return:-
-		Line number of the bot controller. -1 if it doesn't exist.
+		Linedef of the bot controller. NULL if it doesn't exist.
 --------------------------------------------------*/
-static INT16 K_FindBotController(mobj_t *mo)
+static line_t *K_FindBotController(mobj_t *mo)
 {
 	msecnode_t *node;
 	ffloor_t *rover;
@@ -324,7 +323,7 @@ static INT16 K_FindBotController(mobj_t *mo)
 
 		if (lineNum != -1)
 		{
-			return lineNum;
+			break;
 		}
 
 		for (rover = node->m_sector->ffloors; rover; rover = rover->next)
@@ -347,12 +346,19 @@ static INT16 K_FindBotController(mobj_t *mo)
 
 			if (lineNum != -1)
 			{
-				return lineNum;
+				break;
 			}
 		}
 	}
 
-	return -1;
+	if (lineNum != -1)
+	{
+		return &lines[lineNum];
+	}
+	else
+	{
+		return NULL;
+	}
 }
 
 /*--------------------------------------------------
@@ -418,7 +424,7 @@ fixed_t K_BotRubberband(player_t *player)
 	fixed_t rubberband = FRACUNIT;
 	fixed_t max, min;
 	player_t *firstplace = NULL;
-	INT16 botController = -1;
+	line_t *botController = NULL;
 	UINT8 i;
 
 	if (player->exiting)
@@ -429,12 +435,10 @@ fixed_t K_BotRubberband(player_t *player)
 
 	botController = K_FindBotController(player->mo);
 
-	if (botController != -1)
+	if (botController != NULL)
 	{
-		line_t *controllerLine = &lines[botController];
-
 		// No Climb Flag: Disable rubberbanding
-		if (controllerLine->flags & ML_NOCLIMB)
+		if (botController->flags & ML_NOCLIMB)
 		{
 			return FRACUNIT;
 		}
@@ -962,6 +966,50 @@ static void K_DrawPredictionDebug(botprediction_t *predict, player_t *player)
 	}
 }
 
+/*--------------------------------------------------
+	static void K_BotTrick(player_t *player, ticcmd_t *cmd, line_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. 
+
+	Return:-
+		None
+--------------------------------------------------*/
+static void K_BotTrick(player_t *player, ticcmd_t *cmd, line_t *botController)
+{
+	// Trick panel state -- do nothing until a controller line is found, in which case do a trick.
+	if (botController == NULL)
+	{
+		return;
+	}
+
+	if (player->trickpanel == 1)
+	{
+		INT32 type = (sides[botController->sidenum[0]].rowoffset / FRACUNIT);
+
+		// Y Offset: Trick type
+		switch (type)
+		{
+			case 1:
+				cmd->turning = KART_FULLTURN;
+				break;
+			case 2:
+				cmd->turning = -KART_FULLTURN;
+				break;
+			case 3:
+				cmd->buttons |= BT_FORWARD;
+				break;
+			case 4:
+				cmd->buttons |= BT_BACKWARD;
+				break;
+		}
+	}
+}
+
 /*--------------------------------------------------
 	void K_BuildBotTiccmd(player_t *player, ticcmd_t *cmd)
 
@@ -973,7 +1021,7 @@ void K_BuildBotTiccmd(player_t *player, ticcmd_t *cmd)
 	boolean trySpindash = true;
 	UINT8 spindash = 0;
 	INT32 turnamt = 0;
-	INT16 botController = -1;
+	line_t *botController = NULL;
 
 	// Can't build a ticcmd if we aren't spawned...
 	if (!player->mo)
@@ -996,7 +1044,7 @@ void K_BuildBotTiccmd(player_t *player, ticcmd_t *cmd)
 	}
 
 	// Complete override of all ticcmd functionality
-	if (LUAh_BotTiccmd(player, cmd))
+	if (LUAh_BotTiccmd(player, cmd) == true)
 	{
 		return;
 	}
@@ -1005,30 +1053,7 @@ void K_BuildBotTiccmd(player_t *player, ticcmd_t *cmd)
 
 	if (player->trickpanel != 0)
 	{
-		// Trick panel state -- do nothing until a controller line is found, in which case do a trick.
-
-		if (player->trickpanel == 1 && botController != -1)
-		{
-			line_t *controllerLine = &lines[botController];
-			INT32 type = (sides[controllerLine->sidenum[0]].rowoffset / FRACUNIT);
-
-			// Y Offset: Trick type
-			switch (type)
-			{
-				case 1:
-					cmd->turning = KART_FULLTURN;
-					break;
-				case 2:
-					cmd->turning = -KART_FULLTURN;
-					break;
-				case 3:
-					cmd->buttons |= BT_FORWARD;
-					break;
-				case 4:
-					cmd->buttons |= BT_BACKWARD;
-					break;
-			}
-		}
+		K_BotTrick(player, cmd, botController);
 
 		// Don't do anything else.
 		return;
@@ -1037,20 +1062,19 @@ void K_BuildBotTiccmd(player_t *player, ticcmd_t *cmd)
 	if ((player->nextwaypoint != NULL
 		&& player->nextwaypoint->mobj != NULL
 		&& !P_MobjWasRemoved(player->nextwaypoint->mobj))
-		|| (botController != -1))
+		|| (botController != NULL))
 	{
 		// Handle steering towards waypoints!
 		SINT8 turnsign = 0;
 		angle_t destangle, moveangle, angle;
 		INT16 anglediff;
 
-		if (botController != -1)
+		if (botController != NULL)
 		{
 			const fixed_t dist = (player->mo->radius * 4);
-			line_t *controllerLine = &lines[botController];
 
 			// X Offset: Movement direction
-			destangle = FixedAngle(sides[controllerLine->sidenum[0]].textureoffset);
+			destangle = FixedAngle(sides[botController->sidenum[0]].textureoffset);
 
 			// Overwritten prediction
 			predict = Z_Calloc(sizeof(botprediction_t), PU_STATIC, NULL);

src/k_bot.h

@@ -223,8 +223,8 @@ void K_NudgePredictionTowardsObjects(botprediction_t *predict, player_t *player)
 /*--------------------------------------------------
 	void K_BuildBotTiccmd(player_t *player, ticcmd_t *cmd);
 
-		Gives a multiplier for a bot's rubberbanding. Meant to be used for top speed,
-		acceleration, and handling.
+		Creates a bot's ticcmd, looking at its surroundings to
+		try and figure out what it should do.
 
 	Input Arguments:-
 		player - Player to generate the ticcmd for.

src/p_sight.c

@@ -19,6 +19,7 @@
 #include "r_state.h"
 
 #include "k_bot.h" // K_BotHatesThisSector
+#include "k_kart.h" // K_TripwirePass
 
 //
 // P_CheckSight

src/p_user.c

@@ -2502,6 +2502,8 @@ static void P_ConsiderAllGone(void)
 //
 static void P_DeathThink(player_t *player)
 {
+	boolean playerGone = false;
+
 	player->deltaviewheight = 0;
 
 	if (player->deadtimer < INT32_MAX)
@@ -2522,7 +2524,19 @@ static void P_DeathThink(player_t *player)
 
 	K_KartPlayerHUDUpdate(player);
 
-	if (player->lives > 0 && !(player->pflags & PF_NOCONTEST) && player->deadtimer > TICRATE)
+	if (player->pflags & PF_NOCONTEST)
+	{
+		playerGone = true;
+	}
+	else if (player->bot == false)
+	{
+		if (G_GametypeUsesLives() == true && player->lives == 0)
+		{
+			playerGone = true;
+		}
+	}
+
+	if (playerGone == false && player->deadtimer > TICRATE)
 	{
 		player->playerstate = PST_REBORN;
 	}