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Engine: Detour LightStyle to catch all calls, restores set_lights() functionality

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This commit is contained in:
Valentin Grünbacher
2015-06-11 16:08:46 +02:00
parent 8b6d85eb78
commit 7059f5b3b9
10 changed files with 99 additions and 23 deletions
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3
modules/engine/AMBuilder
View File

@@ -14,6 +14,9 @@ binary.sources = [
'entity.cpp',
'globals.cpp',
'forwards.cpp',
'../../public/memtools/MemoryUtils.cpp',
'../../public/memtools/CDetour/detours.cpp',
'../../public/memtools/CDetour/asm/asm.c',
]
if builder.target_platform == 'windows':

5
modules/engine/Makefile
View File

@@ -30,7 +30,7 @@ CPP_OSX = clang
LINK =
INCLUDE = -I. -I$(PUBLIC_ROOT) -I$(PUBLIC_ROOT)/sdk -I$(PUBLIC_ROOT)/amtl \
INCLUDE = -I. -I$(PUBLIC_ROOT) -I$(PUBLIC_ROOT)/sdk -I$(PUBLIC_ROOT)/memtools -I$(PUBLIC_ROOT)/memtools/CDetour -I$(PUBLIC_ROOT)/memtools/CDetour/asm -I$(PUBLIC_ROOT)/amtl \
-I$(HLSDK) -I$(HLSDK)/public -I$(HLSDK)/common -I$(HLSDK)/dlls -I$(HLSDK)/engine -I$(HLSDK)/game_shared -I$(HLSDK)/pm_shared\
-I$(MM_ROOT)
@@ -108,6 +108,9 @@ $(BIN_DIR)/%.o: %.cpp
all:
mkdir -p $(BIN_DIR)
ln -sf $(PUBLIC_ROOT)/sdk/amxxmodule.cpp
ln -sf $(PUBLIC_ROOT)/memtools/MemoryUtils.cpp
ln -sf $(PUBLIC_ROOT)/memtools/CDetour/detours.cpp
ln -sf $(PUBLIC_ROOT)/memtools/CDetour/asm/asm.c
$(MAKE) -f $(MAKEFILE_NAME) $(PROJECT)
$(PROJECT): $(OBJ_BIN)

44
modules/engine/amxxapi.cpp
View File

@@ -14,6 +14,10 @@
#include "engine.h"
BOOL CheckForPublic(const char *publicname);
void CreateDetours();
void DestroyDetours();
CDetour *LightStyleDetour = NULL;
edict_t *g_player_edicts[33];
@@ -58,6 +62,13 @@ void OnAmxxAttach()
memset(glinfo.szLastLights, 0x0, 128);
memset(glinfo.szRealLights, 0x0, 128);
glinfo.bCheckLights = false;
CreateDetours();
}
void OnAmxxDetach()
{
DestroyDetours();
}
void OnPluginsLoaded()
@@ -209,7 +220,6 @@ void ServerDeactivate()
g_pFunctionTable->pfnThink=NULL; // "pfn_think", "register_think"
g_pFunctionTable->pfnStartFrame=NULL; // "server_frame","ServerFrame"
g_pFunctionTable->pfnTouch=NULL; // "pfn_touch","vexd_pfntouch"
g_pFunctionTable_Post->pfnStartFrame = NULL; // "set_lights"
ClearHooks();
@@ -224,15 +234,27 @@ void ServerActivate(edict_t *pEdictList, int edictCount, int clientMax)
RETURN_META(MRES_IGNORED);
}
void LightStyle_Post(int style, const char *val) {
DETOUR_DECL_STATIC2(LightStyle, void, int, style, const char *, val) // void (*pfnLightStyle) (int style, const char* val);
{
DETOUR_STATIC_CALL(LightStyle)(style, val);
if (!style && strcmp(val, glinfo.szRealLights)) {
memset(glinfo.szRealLights, 0x0, 128);
memcpy(glinfo.szRealLights, val, min(strlen(val), 127));
if (glinfo.bCheckLights && strcmp(val, glinfo.szLastLights))
g_pFunctionTable_Post->pfnStartFrame = StartFrame_Post;
memcpy(glinfo.szRealLights, val, ke::Min(strlen(val), (size_t)127));
}
if (glinfo.bCheckLights && strcmp(val, glinfo.szLastLights))
g_pFunctionTable_Post->pfnStartFrame = StartFrame_Post;
}
void StartFrame_Post()
{
g_pFunctionTable_Post->pfnStartFrame = NULL;
LightStyleDetour->DisableDetour();
LIGHT_STYLE(0, glinfo.szLastLights);
LightStyleDetour->EnableDetour();
RETURN_META(MRES_IGNORED);
}
@@ -256,3 +278,13 @@ BOOL CheckForPublic(const char *publicname)
return FALSE; // no public found in any loaded script
}
void CreateDetours()
{
LightStyleDetour = DETOUR_CREATE_STATIC_FIXED(LightStyle, (void*)(g_engfuncs.pfnLightStyle));
}
void DestroyDetours()
{
LightStyleDetour->Destroy();
}

17
modules/engine/engine.cpp
View File

@@ -300,8 +300,9 @@ static cell AMX_NATIVE_CALL trace_normal(AMX *amx, cell *params)
static cell AMX_NATIVE_CALL trace_line(AMX *amx, cell *params)
{
int iEnt = params[1];
if (iEnt != -1)
if (iEnt != -1) {
CHECK_ENTITY(iEnt);
}
cell *cStart = MF_GetAmxAddr(amx, params[2]);
cell *cEnd = MF_GetAmxAddr(amx, params[3]);
@@ -370,8 +371,9 @@ static cell AMX_NATIVE_CALL get_info_keybuffer(AMX *amx, cell *params)
{
int iEnt = params[1];
if (iEnt != -1)
if (iEnt != -1) {
CHECK_ENTITY(iEnt);
}
char *info = GETINFOKEYBUFFER((iEnt == -1) ? NULL : INDEXENT2(iEnt));
@@ -546,7 +548,6 @@ static cell AMX_NATIVE_CALL set_lights(AMX *amx, cell *params) {
if (FStrEq(szLights, "#OFF")) {
glinfo.bCheckLights = false;
g_pFunctionTable_Post->pfnStartFrame = NULL;
memset(glinfo.szLastLights, 0x0, 128);
LIGHT_STYLE(0, glinfo.szRealLights);
return 1;
@@ -556,9 +557,11 @@ static cell AMX_NATIVE_CALL set_lights(AMX *amx, cell *params) {
//Reset LastLights and store custom lighting
memset(glinfo.szLastLights, 0x0, 128);
memcpy(glinfo.szLastLights, szLights, min(iLength, 127));
memcpy(glinfo.szLastLights, szLights, ke::Min(iLength, 127));
LightStyleDetour->DisableDetour();
LIGHT_STYLE(0, szLights);
LightStyleDetour->EnableDetour();
// These make it so that players/weaponmodels look like whatever the lighting is
// at. otherwise it would color players under the skybox to these values.
@@ -573,8 +576,9 @@ static cell AMX_NATIVE_CALL set_lights(AMX *amx, cell *params) {
static cell AMX_NATIVE_CALL trace_hull(AMX *amx,cell *params)
{
int iEnt = params[3];
if (iEnt > 0)
if (iEnt > 0) {
CHECK_ENTITY(iEnt);
}
int iResult=0;
Vector vStart;
@@ -950,8 +954,9 @@ static cell AMX_NATIVE_CALL trace_forward(AMX *amx, cell *params)
cell *cAngles = MF_GetAmxAddr(amx, params[2]);
REAL fGive = amx_ctof(params[3]);
int iIgnoreEnt = params[4];
if (iIgnoreEnt != -1)
if (iIgnoreEnt != -1) {
CHECK_ENTITY(iIgnoreEnt);
}
cell *hitX = MF_GetAmxAddr(amx, params[5]);
cell *hitY = MF_GetAmxAddr(amx, params[6]);

3
modules/engine/engine.h
View File

@@ -25,6 +25,7 @@
#include "entity_state.h"
#include <am-vector.h>
#include <am-string.h>
#include "CDetour/detours.h"
extern DLL_FUNCTIONS *g_pFunctionTable;
extern DLL_FUNCTIONS *g_pFunctionTable_Post;
@@ -47,6 +48,8 @@ extern int DispatchUseForward;
extern int VexdTouchForward;
extern int VexdServerForward;
extern CDetour *LightStyleDetour;
#define AMS_OFFSET 0.01
#define GETINFOKEYBUFFER (*g_engfuncs.pfnGetInfoKeyBuffer)

7
modules/engine/forwards.cpp
View File

@@ -118,13 +118,6 @@ void StartFrame()
RETURN_META(MRES_IGNORED);
}
void StartFrame_Post()
{
g_pFunctionTable_Post->pfnStartFrame = NULL;
LIGHT_STYLE(0, glinfo.szLastLights);
RETURN_META(MRES_IGNORED);
}
void CmdStart(const edict_t *player, const struct usercmd_s *_cmd, unsigned int random_seed)
{
unsigned int i = 0;

2
modules/engine/moduleconfig.h
View File

@@ -389,7 +389,7 @@
// #define FN_ServerExecute_Post ServerExecute_Post
// #define FN_engClientCommand_Post engClientCommand_Post
// #define FN_ParticleEffect_Post ParticleEffect_Post
#define FN_LightStyle_Post LightStyle_Post
// #define FN_LightStyle_Post LightStyle_Post
// #define FN_DecalIndex_Post DecalIndex_Post
// #define FN_PointContents_Post PointContents_Post
// #define FN_MessageBegin_Post MessageBegin_Post

9
modules/engine/msvc12/engine.vcxproj
View File

@@ -54,7 +54,7 @@
<ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
<ClCompile>
<Optimization>Disabled</Optimization>
<AdditionalIncludeDirectories>..\;..\..\..\public;..\..\..\public\sdk; ..\..\..\public\amtl\include;..\..\third_party;..\..\third_party\hashing;$(METAMOD)\metamod;$(HLSDK)\common;$(HLSDK)\engine;$(HLSDK)\dlls;$(HLSDK)\pm_shared;$(HLSDK)\public;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
<AdditionalIncludeDirectories>..\;..\..\..\public;..\..\..\public\memtools;..\..\..\public\sdk;..\..\..\public\amtl\include;..\..\third_party;..\..\third_party\hashing;$(METAMOD)\metamod;$(HLSDK)\common;$(HLSDK)\engine;$(HLSDK)\dlls;$(HLSDK)\pm_shared;$(HLSDK)\public;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
<PreprocessorDefinitions>WIN32;NDEBUG;_WINDOWS;_USRDLL;ENGINE_EXPORTS;HAVE_STDINT_H;%(PreprocessorDefinitions)</PreprocessorDefinitions>
<MinimalRebuild>true</MinimalRebuild>
<BasicRuntimeChecks>EnableFastChecks</BasicRuntimeChecks>
@@ -98,6 +98,9 @@
</Link>
</ItemDefinitionGroup>
<ItemGroup>
<ClCompile Include="..\..\..\public\memtools\CDetour\asm\asm.c" />
<ClCompile Include="..\..\..\public\memtools\CDetour\detours.cpp" />
<ClCompile Include="..\..\..\public\memtools\MemoryUtils.cpp" />
<ClCompile Include="..\amxxapi.cpp" />
<ClCompile Include="..\engine.cpp" />
<ClCompile Include="..\entity.cpp" />
@@ -106,6 +109,10 @@
<ClCompile Include="..\..\..\public\sdk\amxxmodule.cpp" />
</ItemGroup>
<ItemGroup>
<ClInclude Include="..\..\..\public\memtools\CDetour\asm\asm.h" />
<ClInclude Include="..\..\..\public\memtools\CDetour\detourhelpers.h" />
<ClInclude Include="..\..\..\public\memtools\CDetour\detours.h" />
<ClInclude Include="..\..\..\public\memtools\MemoryUtils.h" />
<ClInclude Include="..\engine.h" />
<ClInclude Include="..\entity.h" />
<ClInclude Include="..\gpglobals.h" />

30
modules/engine/msvc12/engine.vcxproj.filters
View File

@@ -18,6 +18,15 @@
<Filter Include="Pawn Includes">
<UniqueIdentifier>{e7f2c5c2-cba9-4712-a576-ceb676c94b36}</UniqueIdentifier>
</Filter>
<Filter Include="Memtools">
<UniqueIdentifier>{ca6abf66-eee2-4d06-813e-792d82d6e846}</UniqueIdentifier>
</Filter>
<Filter Include="Memtools\CDetour">
<UniqueIdentifier>{59354b8c-0925-4d8b-bb2b-684f6638de6b}</UniqueIdentifier>
</Filter>
<Filter Include="Memtools\CDetour\asm">
<UniqueIdentifier>{6c2c3c74-4dc3-45bf-b3a5-6224971eee69}</UniqueIdentifier>
</Filter>
</ItemGroup>
<ItemGroup>
<ClCompile Include="..\amxxapi.cpp">
@@ -38,6 +47,15 @@
<ClCompile Include="..\..\..\public\sdk\amxxmodule.cpp">
<Filter>Module SDK\SDK Base</Filter>
</ClCompile>
<ClCompile Include="..\..\..\public\memtools\MemoryUtils.cpp">
<Filter>Memtools</Filter>
</ClCompile>
<ClCompile Include="..\..\..\public\memtools\CDetour\detours.cpp">
<Filter>Memtools\CDetour</Filter>
</ClCompile>
<ClCompile Include="..\..\..\public\memtools\CDetour\asm\asm.c">
<Filter>Memtools\CDetour\asm</Filter>
</ClCompile>
</ItemGroup>
<ItemGroup>
<ClInclude Include="..\engine.h">
@@ -55,6 +73,18 @@
<ClInclude Include="..\..\..\public\sdk\amxxmodule.h">
<Filter>Module SDK\SDK Base</Filter>
</ClInclude>
<ClInclude Include="..\..\..\public\memtools\MemoryUtils.h">
<Filter>Memtools</Filter>
</ClInclude>
<ClInclude Include="..\..\..\public\memtools\CDetour\detourhelpers.h">
<Filter>Memtools\CDetour</Filter>
</ClInclude>
<ClInclude Include="..\..\..\public\memtools\CDetour\detours.h">
<Filter>Memtools\CDetour</Filter>
</ClInclude>
<ClInclude Include="..\..\..\public\memtools\CDetour\asm\asm.h">
<Filter>Memtools\CDetour\asm</Filter>
</ClInclude>
</ItemGroup>
<ItemGroup>
<None Include="..\..\..\plugins\include\engine.inc">