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Fix weapon restrictions; add demo mode
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Fix zombies sometimes being able to use weapons; add demo mode when all human players are spectating
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@jamespizzurro
jamespizzurro committed Jan 9, 2021
1 parent 2d37586 commit fe21363
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Showing 2 changed files with 105 additions and 31 deletions.
Binary file modified csgo/addons/sourcemod/plugins/zdm.smx
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136 changes: 105 additions & 31 deletions csgo/addons/sourcemod/scripting/zdm.sp
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Original file line number Diff line number Diff line change
Expand Up @@ -11,7 +11,7 @@ public Plugin myinfo = {
name = "Zombie Deathmatch",
author = "James Pizzurro",
description = "Kill zombies and avoid becoming one yourself before time runs out!",
version = "0.1.1",
version = "0.1.2",
url = "https://github.com/jamespizzurro/csgo-zombie-deathmatch"
};

Expand All @@ -26,6 +26,7 @@ public void OnPluginStart() {
HookEvent("round_prestart", OnRoundPreStart, EventHookMode_Post);
HookEvent("round_start", OnRoundStart);
HookEvent("player_team", OnPlayerTeam_Pre, EventHookMode_Pre);
HookEvent("player_team", OnPlayerTeam_Post, EventHookMode_Post);
HookEvent("player_spawn", OnPlayerSpawn, EventHookMode_Post);
HookEvent("player_hurt", OnPlayerHurt, EventHookMode_Post);
HookEvent("player_death", OnPlayerDeath_Pre, EventHookMode_Pre);
Expand Down Expand Up @@ -158,21 +159,56 @@ public void ForcePrecache(const char[] particleName) {

public void OnClientPutInServer(int client) {
SDKHook(client, SDKHook_WeaponCanUse, OnWeaponCanUse);
SDKHook(client, SDKHook_WeaponEquip, OnWeaponCanUse);
SDKHook(client, SDKHook_OnTakeDamage, OnTakeDamage);
}

public Action OnRoundPreStart(Handle event, const char[] name, bool dontBroadcast) {
int numHumansNotPlaying = 0;
for (int client = 1; client <= MaxClients; client++) {
if (IsClientConnected(client) && IsClientInGame(client)) {
int team = GetClientTeam(client);
if (IsFakeClient(client)) {
// make any bot survivors zombies before the next round starts
if (team == CS_TEAM_CT)
if (!IsClientConnected(client) || !IsClientInGame(client) || IsFakeClient(client)) {
continue;
}

int team = GetClientTeam(client);
if (team != CS_TEAM_T && team != CS_TEAM_CT) {
continue;
}

numHumansNotPlaying++;
}

if (numHumansNotPlaying <= 0) {
// autobalance the teams so that any spectating humans have something to watch
int numClientsProcessed = 0;
for (int client = 1; client <= MaxClients; client++) {
if (IsClientConnected(client) && IsClientInGame(client)) {
int team = GetClientTeam(client);
if (team != CS_TEAM_T && team != CS_TEAM_CT) {
continue;
}

if (numClientsProcessed % 2 == 0) {
CS_SwitchTeam(client, CS_TEAM_T);
} else {
// make any non-bot zombies survivors before the next round starts
if (team == CS_TEAM_T)
} else {
CS_SwitchTeam(client, CS_TEAM_CT);
}

numClientsProcessed++;
}
}
} else {
// there's at least one human playing, so make sure all humans are survivors and all bots are zombies
for (int client = 1; client <= MaxClients; client++) {
if (IsClientConnected(client) && IsClientInGame(client)) {
int team = GetClientTeam(client);
if (IsFakeClient(client)) {
if (team == CS_TEAM_CT)
CS_SwitchTeam(client, CS_TEAM_T);
} else {
if (team == CS_TEAM_T)
CS_SwitchTeam(client, CS_TEAM_CT);
}
}
}
}
Expand Down Expand Up @@ -204,11 +240,35 @@ public Action OnPlayerTeam_Pre(Event event, const char[] name, bool dontBroadcas
return Plugin_Continue;
}

public Action OnPlayerTeam_Post(Event event, const char[] name, bool dontBroadcast) {
// if there are no more survivors (dead or alive), start the next round
if (GetTeamClientCount(CS_TEAM_CT) <= 0)
CS_TerminateRound(GetConVarFloat(FindConVar("mp_round_restart_delay")), CSRoundEnd_TerroristWin);

return Plugin_Continue;
}

public void OnPlayerSpawn(Event event, const char[] name, bool dontBroadcast) {
int client = GetClientOfUserId(GetEventInt(event, "userid"));
if (IsClientConnected(client) && IsClientInGame(client)) {
int team = GetClientTeam(client);
if (team == CS_TEAM_T) {
// remove all weapons from inventory except knife
for (int i = 0; i < 4; i++) {
if (i == 2) {
// keep knife
continue;
}

int entityIndex;
while ((entityIndex = GetPlayerWeaponSlot(client, i)) != -1) {
FakeClientCommand(client, "use weapon_knife");

RemovePlayerItem(client, entityIndex);
AcceptEntityInput(entityIndex, "Kill");
}
}

// change the name of zombie bots when they spawn
if (IsFakeClient(client)) {
char nameBuffer[MAX_NAME_LENGTH];
Expand Down Expand Up @@ -278,28 +338,37 @@ public Action OnUserSayText2(UserMsg msgID, Handle hPb, const int[] iPlayers, in
}

public Action OnWeaponCanUse(int client, int weapon) {
if (IsClientConnected(client) && IsClientInGame(client) && IsPlayerAlive(client)) {
int team = GetClientTeam(client);
if (team == CS_TEAM_T) {
// prevent zombies from being able to use weapons other than a knife
char weaponClassname[32];
GetEdictClassname(weapon, weaponClassname, sizeof(weaponClassname));
if (StrContains(weaponClassname, "weapon_knife", false) == -1) {
RemovePlayerItem(client, weapon);
return Plugin_Handled;
}
} else if (team == CS_TEAM_CT) {
// prevent survivors from being able to use heavy machine guns
char weaponClassname[32];
GetEdictClassname(weapon, weaponClassname, sizeof(weaponClassname));
if ((StrContains(weaponClassname, "weapon_m249", false) != -1) || (StrContains(weaponClassname, "weapon_negev", false) != -1)) {
RemovePlayerItem(client, weapon);
GivePlayerItem(client, "weapon_p90");

PrintToChat(client, "Heavy machine guns are not allowed on this server! You've been given a P90 instead.");
return Plugin_Handled;
}
int team = GetClientTeam(client);
if (team == CS_TEAM_T) {
// prevent zombies from being able to use weapons other than a knife
char weaponClassname[32];
GetEdictClassname(weapon, weaponClassname, sizeof(weaponClassname));
if (StrContains(weaponClassname, "weapon_knife", false) == -1) {
FakeClientCommand(client, "use weapon_knife");

RemovePlayerItem(client, weapon);
AcceptEntityInput(weapon, "Kill");

return Plugin_Handled;
}
} else if (team == CS_TEAM_CT) {
// prevent survivors from being able to use heavy machine guns
char weaponClassname[32];
GetEdictClassname(weapon, weaponClassname, sizeof(weaponClassname));
if ((StrContains(weaponClassname, "weapon_m249", false) != -1) || (StrContains(weaponClassname, "weapon_negev", false) != -1)) {
RemovePlayerItem(client, weapon);
AcceptEntityInput(weapon, "Kill");

GivePlayerItem(client, "weapon_p90");

PrintToChat(client, "Heavy machine guns are not allowed on this server! You've been given a P90 instead.");
return Plugin_Handled;
}
} else {
RemovePlayerItem(client, weapon);
AcceptEntityInput(weapon, "Kill");

return Plugin_Handled;
}

return Plugin_Continue;
Expand Down Expand Up @@ -528,7 +597,6 @@ public Action OnPlayerDeath_Post(Event event, const char[] name, bool dontBroadc
CS_SwitchTeam(client, CS_TEAM_T);

// if this was the last survivor to become a zombie, start the next round
// (this is the only win condition for zombies that we need to explicitly handle; CS:GO will handle the rest natively)
if (GetTeamClientCount(CS_TEAM_CT) <= 0)
CS_TerminateRound(GetConVarFloat(FindConVar("mp_round_restart_delay")), CSRoundEnd_TerroristWin);
}
Expand All @@ -549,3 +617,9 @@ public Action OnUserTextMsg(UserMsg msgID, Handle hPb, const int[] iPlayers, int

return Plugin_Continue;
}

public void OnClientDisconnect(int client) {
// if there are no more survivors (dead or alive), start the next round
if (GetTeamClientCount(CS_TEAM_CT) <= 0)
CS_TerminateRound(GetConVarFloat(FindConVar("mp_round_restart_delay")), CSRoundEnd_TerroristWin);
}

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