PropSpawner: Added sm_propspawner_use_mode to determine what should happen when a plugin spawned prop is +use'd

PropSpawner/gamedata/PropSpawner.txt

@@ -0,0 +1,14 @@
+"Games"
+{
+	"cstrike"
+	{
+		"Offsets"
+		{
+			"PlayerUse"
+			{
+				"linux" "414"
+				"windows" "413"
+			}
+		}
+	}
+}

PropSpawner/scripting/PropSpawner.sp

@@ -2,6 +2,8 @@
 #include <sourcemod>
 #include <sdktools>
 #include <sdkhooks>
+#include <dhooks>
+#include <cstrike>
 
 public Plugin myinfo = 
 {
@@ -23,12 +25,15 @@ KeyValues g_Models;
 
 ConVar g_cvNotifyShot;
 ConVar g_cvNotifyTimer;
+ConVar g_cvUseMode;
 
 ArrayList g_aSpawnedProps; // Tracks entity indices of props spawned by this plugin so we can unhook them
 ArrayList g_aNotifyList;
 
 int g_aPlayerPropColor[MAXPLAYERS + 1][3];
 
+Handle g_PlayerUseSetup = INVALID_HANDLE;
+
 enum struct NotifyListData
 {
 	int client;
@@ -94,11 +99,33 @@ public void OnPluginStart()
 	}
 	g_Models.Rewind(); // Go back to the root node
 
+	GameData gd = new GameData("PropSpawner");
+	if (gd == null)
+	{
+		LogError("PropSpawner: Missing gamedata file");
+	}
+	else
+	{
+		int PlayerUseOffset = gd.GetOffset("PlayerUse");
+		if (PlayerUseOffset == -1)
+		{
+			LogError("PropSpawner: Missing \"PlayerUse\" offset in gamedata file");
+		}
+		else
+		{
+			g_PlayerUseSetup = DHookCreate(PlayerUseOffset, HookType_Entity, ReturnType_Void, ThisPointer_CBaseEntity, PlayerUse_Hook);
+		}
+
+		delete gd;
+	}
+	
 	RegAdminCmd("sm_propspawner", Command_MainMenu, ADMFLAG_CHANGEMAP); //g
 	RegAdminCmd("sm_setpropcolor", Command_SetPropColor, ADMFLAG_CHANGEMAP, "Set PropSpawner color by RGB value, or \"rainbow\" for that.");
 
 	g_cvNotifyShot = CreateConVar("sm_propspawner_notify_shot", "0", "If set to 1, announces in chat when a plugin-spawned prop is shot.", FCVAR_NOTIFY, true, 0.0, true, 1.0);
 	g_cvNotifyTimer = CreateConVar("sm_propspawner_notify_shot_timer", "0.5", "How long a player stays in the \"shooting couch\" list.");
+	g_cvUseMode = CreateConVar("sm_propspawner_use_mode", "0", "What should happen when a prop is +use'd. " ...
+																"0 = Normal. 1 = Disallow CTs moving plugin spawned props. 2 = Add player to notify list.");
 	AutoExecConfig(true, "PropSpawner");
 
 	g_aSpawnedProps = new ArrayList();
@@ -707,26 +734,7 @@ public Action OnPropTakeDamage(int victim, int &attacker, int &inflictor, float
 	if (attacker < 1 || attacker > MaxClients || !IsClientInGame(attacker))
 		return Plugin_Continue;
 
-	Handle timer = CreateTimer(g_cvNotifyTimer.FloatValue, OnNotifyTimer, attacker);
+	AddToNotifyList(attacker);
-	int idx = FindInNotifyList(attacker);
-	if (idx == -1)
-	{
-		NotifyListData data;
-		data.client = attacker;
-		data.timer = timer;
-		g_aNotifyList.PushArray(data, sizeof(NotifyListData));
-	}
-	else
-	{
-		NotifyListData buf;
-		g_aNotifyList.GetArray(idx, buf, sizeof(NotifyListData));
-		if (buf.timer != INVALID_HANDLE)
-			KillTimer(buf.timer);
-
-		buf.timer = timer;
-		g_aNotifyList.SetArray(idx, buf, sizeof(NotifyListData));
-	}
-	
 	DisplayNotifyList();
 
 	return Plugin_Continue;
@@ -793,6 +801,8 @@ int FindInNotifyList(int client)
 public void OnClientPutInServer(int client)
 {
 	g_aPlayerPropColor[client] = {255, 255, 255};
+	DHookEntity(g_PlayerUseSetup, false, client);
+	DHookEntity(g_PlayerUseSetup, true, client, INVALID_FUNCTION, PlayerUse_HookPost);
 }
 
 void OnRainbowTimer(Handle timer, any data)
@@ -818,3 +828,124 @@ void ApplyRainbow(int ent, float Frequency)
 
 	SetEntityRenderColor(ent, Red, Green, Blue, 255);
 }
+
+void AddToNotifyList(int client)
+{
+	if (GetClientTeam(client) != CS_TEAM_CT)
+		return;
+
+	Handle timer = CreateTimer(g_cvNotifyTimer.FloatValue, OnNotifyTimer, client);
+	int idx = FindInNotifyList(client);
+	if (idx == -1)
+	{
+		NotifyListData data;
+		data.client = client;
+		data.timer = timer;
+		g_aNotifyList.PushArray(data, sizeof(NotifyListData));
+	}
+	else
+	{
+		NotifyListData buf;
+		g_aNotifyList.GetArray(idx, buf, sizeof(NotifyListData));
+		if (buf.timer != INVALID_HANDLE)
+			KillTimer(buf.timer);
+
+		buf.timer = timer;
+		g_aNotifyList.SetArray(idx, buf, sizeof(NotifyListData));
+	}
+}
+
+ConVar sv_pushaway_force = null;
+float g_flPushawayRestore = 0.0;
+
+MRESReturn PlayerUse_Hook(int pThis)
+{
+	static ConVar sv_turbophysics = null;
+	if (!sv_pushaway_force)
+		sv_pushaway_force = FindConVar("sv_pushaway_force");
+
+	if (!sv_turbophysics)
+		sv_turbophysics = FindConVar("sv_turbophysics");
+
+	if (!sv_pushaway_force || !sv_turbophysics)
+		return MRES_Ignored;
+
+	if (!sv_turbophysics.BoolValue)
+		return MRES_Ignored;
+
+	if (g_cvUseMode.IntValue != 1 && g_cvUseMode.IntValue != 2)
+		return MRES_Ignored;
+
+	// ZMs can always push it
+	if (GetClientTeam(pThis) != CS_TEAM_CT)
+		return MRES_Ignored;
+
+	if ((GetClientButtons(pThis) & IN_USE) == 0)
+		return MRES_Ignored;
+
+	float eyePos[3];
+	float eyeAng[3];
+	float eyeFwd[3];
+	float endPos[3];
+	GetClientEyePosition(pThis, eyePos);
+	GetClientEyeAngles(pThis, eyeAng);
+	GetAngleVectors(eyeAng, eyeFwd, NULL_VECTOR, NULL_VECTOR);
+	
+	endPos[0] = eyePos[0] + (eyeFwd[0] * 96.0);
+	endPos[1] = eyePos[1] + (eyeFwd[1] * 96.0);
+	endPos[2] = eyePos[2] + (eyeFwd[2] * 96.0);
+
+	Handle tr = TR_TraceRayFilterEx(eyePos, endPos, MASK_SOLID, RayType_EndPoint, UsePushFilter, 0, TRACE_ENTITIES_ONLY);
+	
+	if (TR_DidHit(tr))
+	{
+		int entHit = TR_GetEntityIndex(tr);
+
+		// This currently only works if sm_propspawner_notify_shot is enabled
+		if (g_aSpawnedProps.FindValue(entHit) != -1)
+		{
+			switch (g_cvUseMode.IntValue)
+			{
+				// Prevent the prop from being moved
+				case 1:
+				{
+					g_flPushawayRestore = sv_pushaway_force.FloatValue;
+					sv_pushaway_force.FloatValue = 0.0;
+				}
+
+				// Add to the shooting couch list
+				case 2:
+				{
+					AddToNotifyList(pThis);
+					DisplayNotifyList();
+				}
+			}
+		}
+	}
+	
+	CloseHandle(tr);
+	return MRES_Handled;
+}
+
+MRESReturn PlayerUse_HookPost(int pThis)
+{
+	if (sv_pushaway_force && g_flPushawayRestore != 0.0)
+	{
+		sv_pushaway_force.FloatValue = g_flPushawayRestore;
+		g_flPushawayRestore = 0.0;
+	}
+
+	return MRES_Handled;
+}
+
+bool UsePushFilter(int entity, int contentsMask)
+{
+	// Checking if the entity has a physics object
+	int offs = FindDataMapInfo(entity, "m_pPhysicsObject");
+	int pt1 = LoadFromAddress(GetEntityAddress(entity) + view_as<Address>(offs), NumberType_Int32);
+	int pt2 = view_as<int>(Address_PointerSize) == 8 ? LoadFromAddress(GetEntityAddress(entity) + view_as<Address>(offs + 4), NumberType_Int32) : 0;
+	if (pt1 == 0 && pt2 == 0)
+		return false;
+
+	return true;
+}