feat(ui): implement Script_GetCVar

src/client/Client.cpp

@@ -30,6 +30,8 @@ CVar* Client::g_accountNameVar;
 CVar* Client::g_accountListVar;
 HEVENTCONTEXT Client::g_clientEventContext;
 
+CGameTime g_clientGameTime;
+
 static CVar* s_desktopGammaCvar;
 static CVar* s_gammaCvar;
 static CVar* s_textureCacheSizeCvar;
@@ -70,10 +72,28 @@ void BaseInitializeGlobal() {
     PropInitialize();
 }
 
+int32_t ClientGameTimeTickHandler(const void* data, void* param) {
+    STORM_ASSERT(data);
+
+    g_clientGameTime.GameTimeUpdate(static_cast<const EVENT_DATA_IDLE*>(data)->elapsedSec);
+
+    return 1;
+}
+
+void ClientInitializeGameTime() {
+    ClientServices::SetMessageHandler(SMSG_GAME_SPEED_SET, &ReceiveNewGameSpeed, nullptr);
+    ClientServices::SetMessageHandler(SMSG_LOGIN_SET_TIME_SPEED, &ReceiveNewTimeSpeed, nullptr);
+    ClientServices::SetMessageHandler(SMSG_GAME_TIME_UPDATE, &ReceiveGameTimeUpdate, nullptr);
+    ClientServices::SetMessageHandler(SMSG_SERVERTIME, &ReceiveServerTime, nullptr);
+    ClientServices::SetMessageHandler(SMSG_GAME_TIME_SET, &ReceiveNewGameTime, nullptr);
+
+    // TODO initialize s_forcedChangeCallbacks
+}
+
 int32_t ClientIdle(const void* data, void* param) {
-    // TODO
-    // ClientGameTimeTickHandler(data, param);
-    // Player_C_ZoneUpdateHandler(data, param);
+    ClientGameTimeTickHandler(data, nullptr);
+
+    // TODO Player_C_ZoneUpdateHandler(data, nullptr);
 
     return 1;
 }
@@ -91,6 +111,7 @@ void ClientInitializeGame(uint32_t mapId, C3Vector position) {
     // TODO
 
     EventRegister(EVENT_ID_IDLE, ClientIdle);
+    ClientInitializeGameTime();
 
     // TODO
 

src/client/Client.hpp

@@ -2,6 +2,7 @@
 #define CLIENT_CLIENT_HPP
 
 #include "event/Event.hpp"
+#include "util/Time.hpp"
 #include <tempest/Vector.hpp>
 
 class CVar;
@@ -12,6 +13,8 @@ namespace Client {
     extern HEVENTCONTEXT g_clientEventContext;
 }
 
+extern CGameTime g_clientGameTime;
+
 void ClientInitializeGame(uint32_t mapId, C3Vector position);
 
 void ClientPostClose(int32_t a1);

src/client/ClientHandlers.cpp

@@ -1,11 +1,14 @@
 #include "client/ClientHandlers.hpp"
+#include "Client.hpp"
 #include "console/Console.hpp"
 #include "db/Db.hpp"
 #include "object/Client.hpp"
+#include "util/Time.hpp"
+#include "util/Unimplemented.hpp"
 #include "world/World.hpp"
 #include <common/DataStore.hpp>
-#include <tempest/Vector.hpp>
 #include <cstdint>
+#include <tempest/Vector.hpp>
 
 static float s_newFacing;
 static C3Vector s_newPosition;
@@ -77,6 +80,56 @@ int32_t PlayedTimeHandler(void* param, NETMESSAGE msgId, uint32_t time, CDataSto
     return 0;
 }
 
+int32_t ReceiveGameTimeUpdate(void* param, NETMESSAGE msgId, uint32_t time, CDataStore* msg) {
+    WHOA_UNIMPLEMENTED(0);
+}
+
+int32_t ReceiveNewGameSpeed(void* param, NETMESSAGE msgId, uint32_t time, CDataStore* msg) {
+    WHOA_UNIMPLEMENTED(0);
+}
+
+int32_t ReceiveNewGameTime(void* param, NETMESSAGE msgId, uint32_t time, CDataStore* msg) {
+    WHOA_UNIMPLEMENTED(0);
+}
+
+int32_t ReceiveNewTimeSpeed(void* param, NETMESSAGE msgId, uint32_t time, CDataStore* msg) {
+    uint32_t encodedTime;
+    msg->Get(encodedTime);
+
+    float newSpeed;
+    msg->Get(newSpeed);
+
+    uint32_t holidayOffset;
+    msg->Get(holidayOffset);
+
+    if (!msg->IsRead()) {
+        STORM_ASSERT(msg->IsFinal());
+        // TODO ConsoleWriteA("Malformed message received: Id = %d, Len = %d, Read = %d\n", DEFAULT_COLOR, msgId, msg->Size(), msg->Tell());
+
+        return 0;
+    }
+
+    WowTime newTime;
+    WowTime::WowDecodeTime(encodedTime, &newTime);
+    newTime.m_holidayOffset = holidayOffset;
+
+    g_clientGameTime.GameTimeSetTime(newTime, true);
+
+    // TODO UpdateTime();
+
+    auto oldSpeed = g_clientGameTime.GameTimeSetMinutesPerSecond(newSpeed);
+
+    char logStr[256];
+    SStrPrintf(logStr, sizeof(logStr), "Gamespeed set from %.03f to %.03f", oldSpeed, newSpeed);
+    ConsoleWrite(logStr, DEFAULT_COLOR);
+
+    return 1;
+}
+
+int32_t ReceiveServerTime(void* param, NETMESSAGE msgId, uint32_t time, CDataStore* msg) {
+    WHOA_UNIMPLEMENTED(0);
+}
+
 int32_t TransferAbortedHandler(void* param, NETMESSAGE msgId, uint32_t time, CDataStore* msg) {
     // TODO
 

src/client/ClientHandlers.hpp

@@ -14,6 +14,16 @@ int32_t NotifyHandler(void* param, NETMESSAGE msgId, uint32_t time, CDataStore*
 
 int32_t PlayedTimeHandler(void* param, NETMESSAGE msgId, uint32_t time, CDataStore* msg);
 
+int32_t ReceiveGameTimeUpdate(void* param, NETMESSAGE msgId, uint32_t time, CDataStore* msg);
+
+int32_t ReceiveNewGameSpeed(void* param, NETMESSAGE msgId, uint32_t time, CDataStore* msg);
+
+int32_t ReceiveNewGameTime(void* param, NETMESSAGE msgId, uint32_t time, CDataStore* msg);
+
+int32_t ReceiveNewTimeSpeed(void* param, NETMESSAGE msgId, uint32_t time, CDataStore* msg);
+
+int32_t ReceiveServerTime(void* param, NETMESSAGE msgId, uint32_t time, CDataStore* msg);
+
 int32_t TransferAbortedHandler(void* param, NETMESSAGE msgId, uint32_t time, CDataStore* msg);
 
 int32_t TransferPendingHandler(void* param, NETMESSAGE msgId, uint32_t time, CDataStore* msg);

src/ui/ScriptFunctionsSystem.cpp

@@ -1,4 +1,5 @@
 #include "ui/FrameScript.hpp"
+#include "client/Client.hpp"
 #include "ui/ScriptFunctionsShared.hpp"
 #include "ui/Types.hpp"
 #include "util/Lua.hpp"
@@ -14,10 +15,10 @@ int32_t Script_GetTime(lua_State* L) {
 }
 
 int32_t Script_GetGameTime(lua_State* L) {
-    // TODO real implementation
-    lua_pushnumber(L, 1.0);
-    lua_pushnumber(L, 15.0);
-    WHOA_UNIMPLEMENTED(2);
+    lua_pushnumber(L, g_clientGameTime.m_hour);
+    lua_pushnumber(L, g_clientGameTime.m_minute);
+
+    return 2;
 }
 
 int32_t Script_ConsoleExec(lua_State* L) {

src/ui/game/GameScript.cpp

@@ -133,7 +133,21 @@ int32_t Script_SetCVar(lua_State* L) {
 }
 
 int32_t Script_GetCVar(lua_State* L) {
-    WHOA_UNIMPLEMENTED(0);
+    if (!lua_isstring(L, 1)) {
+        luaL_error(L, "Usage: GetCVar(\"cvar\")");
+        return 0;
+    }
+
+    auto varName = lua_tostring(L, 1);
+    auto var = CVar::LookupRegistered(varName);
+
+    if (var && !(var->m_flags & 0x40)) {
+        lua_pushstring(L, var->GetString());
+    } else {
+        lua_pushnil(L);
+    }
+
+    return 1;
 }
 
 int32_t Script_GetCVarBool(lua_State* L) {

src/util/time/CGameTime.cpp

@@ -1,6 +1,20 @@
 #include "util/time/CGameTime.hpp"
 #include "common/Time.hpp"
 
+float CGameTime::GameTimeSetMinutesPerSecond(float minutesPerSec) {
+    float oldMinutesPerSec = this->m_gameMinutesPerRealSecond;
+
+    if (minutesPerSec > CGameTime::MAX_SPEED) {
+        minutesPerSec = CGameTime::MAX_SPEED;
+    } else if (minutesPerSec < CGameTime::MIN_SPEED) {
+        minutesPerSec = CGameTime::MIN_SPEED;
+    }
+
+    this->m_gameMinutesPerRealSecond = minutesPerSec;
+
+    return oldMinutesPerSec;
+}
+
 void CGameTime::GameTimeSetTime(const WowTime& time, bool shouldTick) {
     WowTime biasTime = time;
 

src/util/time/CGameTime.hpp

@@ -5,7 +5,12 @@
 
 class CGameTime : public WowTime {
     public:
+        // Public static variables
+        static constexpr float MIN_SPEED = 1.0f / 60.0f;
+        static constexpr float MAX_SPEED = 60.0f;
+
         // Public member functions
+        float GameTimeSetMinutesPerSecond(float minutesPerSec);
         void GameTimeSetTime(const WowTime& time, bool shouldTick);
         void GameTimeUpdate(float elapsedSec);
 
@@ -15,7 +20,7 @@ class CGameTime : public WowTime {
         int32_t m_timeBias = 0;
         int32_t m_dateBias = 0;
         uint32_t m_gameMinutesElapsed = 0;
-        float m_gameMinutesPerRealSecond = 1.0f / 60.0f;
+        float m_gameMinutesPerRealSecond = MIN_SPEED;
         float m_gameMinutesThisTick = 0.0f;
         uint32_t m_timeDifferential = 0;
         uint32_t m_lastTickMinute = 0;