client: implement particleman effects and cleanup old rain code

The particleman code was taken from the halflife-featureful repository.

Author: hasandramali

cl_dll/CMakeLists.txt

@@ -13,6 +13,7 @@ file(GLOB CS_INPUT_SRC "input/*.cpp")
 file(GLOB CS_PM_SRC "../pm_shared/*.cpp")
 file(GLOB CS_GAMSH_SRC "../game_shared/*.cpp")
 file(GLOB MINIUTL_SRC "../3rdparty/mainui_cpp/miniutl/*.cpp")
+file(GLOB CS_PARTICLEMAN_SRC "particleman/*.cpp")
 
 list(REMOVE_ITEM CS_CLIENT_SRC "${CMAKE_CURRENT_SOURCE_DIR}/ev_hldm.cpp")
 list(REMOVE_ITEM CS_INPUT_SRC "${CMAKE_CURRENT_SOURCE_DIR}/input/input_sdl.cpp")
@@ -30,6 +31,7 @@ list(APPEND CS_CLIENT_SRC ${CS_PM_SRC})
 list(APPEND CS_CLIENT_SRC ${CS_INPUT_SRC})
 list(APPEND CS_CLIENT_SRC ${CS_GAMSH_SRC})
 list(APPEND CS_CLIENT_SRC ${MINIUTL_SRC})
+list(APPEND CS_CLIENT_SRC ${CS_PARTICLEMAN_SRC})
 
 include_directories(
 	include
@@ -47,7 +49,8 @@ include_directories(
 	../3rdparty/mainui_cpp
 	../3rdparty/mainui_cpp/controls
 	../3rdparty/mainui_cpp/menus
-	../3rdparty/mainui_cpp/miniutl)
+	../3rdparty/mainui_cpp/miniutl
+	particleman)
 
 add_definitions(-DCLIENT_WEAPONS -DCLIENT_DLL -DSTDINT_H=<cstdint>)
 

cl_dll/cdll_int.cpp

@@ -19,7 +19,6 @@
 //
 
 #include "hud.h"
-#include "cl_util.h"
 #include "netadr.h"
 #include "pmtrace.h"
 
@@ -31,6 +30,12 @@
 #include "mobility_int.h"
 #include "vgui_parser.h"
 #include "cl_dll/IGameMenuExports.h"
+#include "particleman.h"
+#include "IParticleMan_Active.h"
+#include "CMiniMem.h"
+#include "environment.h"
+
+#include "cl_util.h"
 
 cl_enginefunc_t		gEngfuncs  = { };
 render_api_t		gRenderAPI = { };
@@ -40,6 +45,7 @@ int g_iXash = 0; // indicates a buildnum
 int g_iMobileAPIVersion = 0;
 
 IGameMenuExports *g_pMenu = nullptr;
+IParticleMan *g_pParticleMan = NULL;
 
 static IGameMenuExports *GetNativeMenuExports( void )
 {
@@ -68,6 +74,8 @@ void InitInput (void);
 void Game_HookEvents( void );
 void IN_Commands( void );
 void Input_Shutdown (void);
+void CL_LoadParticleMan();
+void CL_UnloadParticleMan();
 
 /*
 ========================== 
@@ -84,11 +92,13 @@ int DLLEXPORT Initialize( cl_enginefunc_t *pEnginefuncs, int iVersion )
 	gEngfuncs = *pEnginefuncs;
 
 	// Register cvar to allow using old touch menus (1 = use old cfg-based menus)
+
 	CVAR_CREATE("cl_oldtouchmenus", "0", FCVAR_CLIENTDLL | FCVAR_ARCHIVE);
 
 	sscanf( CVAR_GET_STRING( "host_ver" ), "%d", &g_iXash );
 
 	Game_HookEvents();
+	CL_LoadParticleMan();
 
 	return 1;
 }
@@ -105,6 +115,17 @@ void DLLEXPORT HUD_Shutdown( void )
 	gHUD.Shutdown();
 	Input_Shutdown();
 	Localize_Free();
+	g_Environment.Clear();
+	if (g_pParticleMan)
+	{
+		CL_UnloadParticleMan();
+	}
+	auto miniMem = CMiniMem::Instance();
+	if (miniMem)
+	{
+		miniMem->Reset();
+		miniMem->Shutdown();
+	}
 }
 
 
@@ -217,7 +238,12 @@ int DLLEXPORT HUD_VidInit( void )
 
 	isLoaded = true;
 
-	//VGui_Startup();
+	if (g_pParticleMan)
+	{
+		g_pParticleMan->ResetParticles();
+		g_Environment.Reset();
+		g_Environment.RestoreWeather();
+	}
 
 	return 1;
 }
@@ -468,6 +494,24 @@ extern "C" int DLLEXPORT HUD_GetPlayerTeam(int iplayer)
 	return 0;
 }
 
+void CL_UnloadParticleMan()
+{
+	if (g_pParticleMan)
+	{
+		delete g_pParticleMan;
+		g_pParticleMan = NULL;
+	}
+}
+
+void CL_LoadParticleMan()
+{
+	g_pParticleMan = new IParticleMan_Active();
+	if (g_pParticleMan)
+	{
+		g_pParticleMan->SetUp(&gEngfuncs);
+	}
+}
+
 #include "APIProxy.h"
 
 cldll_func_dst_t *g_pcldstAddrs;

cl_dll/cl_util.h

@@ -129,8 +129,31 @@ inline bool UseOldTouchMenusEnabled()
 inline void PlaySound( const char *szSound, float vol ) { gEngfuncs.pfnPlaySoundByName( szSound, vol ); }
 inline void PlaySound( int iSound, float vol ) { gEngfuncs.pfnPlaySoundByIndex( iSound, vol ); }
 
+#ifdef __cplusplus
+#include <type_traits>
+#ifndef CL_UTIL_MAX_MIN_DEFINED
+#define CL_UTIL_MAX_MIN_DEFINED
+#ifdef max
+#undef max
+#endif
+#ifdef min
+#undef min
+#endif
+template<typename T, typename U>
+inline auto max(T a, U b) -> typename std::decay<decltype((a > b) ? a : b)>::type { return (a > b) ? a : b; }
+template<typename T, typename U>
+inline auto min(T a, U b) -> typename std::decay<decltype((a < b) ? a : b)>::type { return (a < b) ? a : b; }
+#endif
+#else
+#ifdef max
+#undef max
+#endif
 #define max(a, b)  (((a) > (b)) ? (a) : (b))
+#ifdef min
+#undef min
+#endif
 #define min(a, b)  (((a) < (b)) ? (a) : (b))
+#endif
 #if !defined(__APPLE__) && !defined(_WIN32)
 #define fabs(x)	   ((x) > 0 ? (x) : 0 - (x))
 #endif

cl_dll/entity.cpp

@@ -24,6 +24,8 @@
 #include "eventscripts.h"
 #include "com_weapons.h"
 #include "ev_hldm.h"
+#include "particleman.h"
+#include "particleman_internal.h"
 
 extern vec3_t v_origin;
 
@@ -397,12 +399,13 @@ void DLLEXPORT HUD_TempEntUpdate (
 	TEMPENTITY	*pTemp, *pnext, *pprev;
 	float		gravity, gravitySlow, life, fastFreq;
 
-	// g_flGravity = cl_gravity;
+	g_flGravity = cl_gravity;
+
+	Vector vAngles;
+	gEngfuncs.GetViewAngles( (float*)vAngles );
 
-/*
 	if ( g_pParticleMan )
 		g_pParticleMan->SetVariables( cl_gravity, vAngles );
-*/
 
 	// Nothing to simulate
 	if ( !*ppTempEntActive )