Merge branch 'monkey-input' into 'master'

Fuzzing cvar

See merge request KartKrew/Kart!1439

src/cvars.cpp

@@ -839,6 +839,7 @@ consvar_t cv_palettenum = PlayerCheat("palettenum", "0").values(CV_Unsigned).onc
 extern CV_PossibleValue_t renderhitbox_cons_t[];
 consvar_t cv_renderhitbox = PlayerCheat("renderhitbox", "Off").values(renderhitbox_cons_t).description("Show hitboxes around objects");
 
+consvar_t cv_fuzz = OnlineCheat("fuzz", "Off").on_off().description("Human players spam random inputs, get random items");
 
 //
 // Dummy variables used solely in the menu system.

src/d_clisrv.c

@@ -5092,6 +5092,27 @@ static char NodeToSplitPlayer(int node, int split)
 	return -1;
 }
 
+static void FuzzTiccmd(ticcmd_t* target)
+{
+	extern consvar_t cv_fuzz;
+	if (cv_fuzz.value)
+	{
+		target->forwardmove = P_RandomRange(PR_FUZZ, -MAXPLMOVE, MAXPLMOVE);
+		target->turning = P_RandomRange(PR_FUZZ, -KART_FULLTURN, KART_FULLTURN);
+		target->throwdir = P_RandomRange(PR_FUZZ, -KART_FULLTURN, KART_FULLTURN);
+		target->buttons = P_RandomRange(PR_FUZZ, 0, 255);
+
+		// Make fuzzed players more likely to do impactful things
+		if (P_RandomRange(PR_FUZZ, 0, 500))
+		{
+			target->buttons |= BT_ACCELERATE;
+			target->buttons &= ~BT_LOOKBACK;
+			target->buttons &= ~BT_RESPAWN;
+			target->buttons &= ~BT_BRAKE;
+		}
+	}
+}
+
 /** Handles a packet received from a node that is in game
   *
   * \param node The packet sender
@@ -5223,6 +5244,8 @@ static void HandlePacketFromPlayer(SINT8 node)
 				&& (maketic - firstticstosend < BACKUPTICS))
 				faketic++;
 
+			FuzzTiccmd(&netbuffer->u.clientpak.cmd);
+
 			// Copy ticcmd
 			G_MoveTiccmd(&netcmds[faketic%BACKUPTICS][netconsole], &netbuffer->u.clientpak.cmd, 1);
 
@@ -5236,6 +5259,7 @@ static void HandlePacketFromPlayer(SINT8 node)
 				|| (netbuffer->packettype == PT_CLIENT4CMD || netbuffer->packettype == PT_CLIENT4MIS))
 				&& (nodetoplayer2[node] >= 0))
 			{
+				FuzzTiccmd(&netbuffer->u.client2pak.cmd2);
 				G_MoveTiccmd(&netcmds[faketic%BACKUPTICS][(UINT8)nodetoplayer2[node]],
 					&netbuffer->u.client2pak.cmd2, 1);
 
@@ -5247,6 +5271,7 @@ static void HandlePacketFromPlayer(SINT8 node)
 				|| (netbuffer->packettype == PT_CLIENT4CMD || netbuffer->packettype == PT_CLIENT4MIS))
 				&& (nodetoplayer3[node] >= 0))
 			{
+				FuzzTiccmd(&netbuffer->u.client3pak.cmd3);
 				G_MoveTiccmd(&netcmds[faketic%BACKUPTICS][(UINT8)nodetoplayer3[node]],
 					&netbuffer->u.client3pak.cmd3, 1);
 
@@ -5257,6 +5282,7 @@ static void HandlePacketFromPlayer(SINT8 node)
 			if ((netbuffer->packettype == PT_CLIENT4CMD || netbuffer->packettype == PT_CLIENT4MIS)
 				&& (nodetoplayer4[node] >= 0))
 			{
+				FuzzTiccmd(&netbuffer->u.client4pak.cmd4);
 				G_MoveTiccmd(&netcmds[faketic%BACKUPTICS][(UINT8)nodetoplayer4[node]],
 					&netbuffer->u.client4pak.cmd4, 1);
 

src/g_build_ticcmd.cpp

@@ -37,6 +37,7 @@
 #include "p_mobj.h"
 #include "p_tick.h"
 #include "tables.h"
+#include "m_random.h" // monkey input
 
 namespace
 {

src/k_kart.c

@@ -8280,6 +8280,12 @@ void K_KartPlayerThink(player_t *player, ticcmd_t *cmd)
 		}
 	}
 
+	extern consvar_t cv_fuzz;
+	if (cv_fuzz.value && P_CanPickupItem(player, 1))
+	{
+		K_StartItemRoulette(player, P_RandomRange(PR_FUZZ, 0, 1));
+	}
+
 	if (player->instashield)
 		player->instashield--;
 

src/m_random.h

@@ -80,6 +80,8 @@ typedef enum
 
 	PR_AUTOROULETTE, // Item box accessibility
 
+	PR_FUZZ, // Stability testing
+
 	PRNUMCLASS
 } pr_class_t;