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cg_syscall.c
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/*
==============================
Written by id software, nightmare and hk of mdd
This file is part of mdd client proxymod.
mdd client proxymod is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
mdd client proxymod is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with mdd client proxymod. If not, see <http://www.gnu.org/licenses/>.
==============================
Note: mdd client proxymod contains large quantities from the quake III arena source code
*/
#include "cg_local.h"
//handling syscalls from QVM (passing them to engine)
//this adds the base VM address to a given value
#define add(x) ((x) ? (void*)((x) + (int32_t)memoryBase) : NULL)
//this subtracts the base VM address from a given value
#define sub(x) ((x) ? (void*)((x) - (int32_t)memoryBase) : NULL)
//this gets an argument value
#define arg(x) (args[(x)])
//this adds the base VM address to an argument value
#define ptr(x) (add(arg(x)))
#define _ptr(x) (add(x)) // ???
int32_t QDECL VM_SysCalls(byte *memoryBase, int32_t cmd, int32_t *args) {
switch( cmd ) {
case CG_PRINT: // void trap_Printf( const char *fmt )
g_syscall( cmd, ptr(0) );
return 0;
case CG_ERROR: // void trap_Error( const char *fmt )
g_syscall( cmd, ptr(0) );
return 0;
case CG_MILLISECONDS: // int32_t trap_Milliseconds( void )
return g_syscall( cmd );
case CG_ARGC: // int32_t trap_Argc( void )
return g_syscall(cmd);
case CG_ARGV: // void trap_Argv( int32_t n, char *buffer, int32_t bufferLength )
g_syscall( cmd, arg(0), ptr(1), arg(2) );
return 0;
case CG_ARGS:
g_syscall( cmd, ptr(0), arg(1) );
return 0;
case CG_FS_FOPENFILE: // int32_t trap_FS_FOpenFile( const char *qpath, fileHandle_t *f, fsMode_t mode )
return g_syscall( cmd, ptr(0), ptr(1), arg(2) );
case CG_FS_READ: // void trap_FS_Read( void *buffer, int32_t len, fileHandle_t f )
g_syscall( cmd, ptr(0), arg(1), arg(2) );
return 0;
case CG_FS_WRITE: // void trap_FS_Write( const void *buffer, int32_t len, fileHandle_t f )
g_syscall( cmd, ptr(0), arg(1), arg(2) );
return 0;
case CG_FS_FCLOSEFILE: // void trap_FS_FCloseFile( fileHandle_t f )
g_syscall( cmd, arg(0) );
return 0;
case CG_FS_SEEK: // int32_t trap_FS_Seek( fileHandle_t f, long offset, int32_t origin )
return g_syscall( cmd, arg(0), arg(1), arg(2) );
case CG_SENDCONSOLECOMMAND: // void trap_SendConsoleCommand( int32_t exec_when, const char *text )
g_syscall( cmd, ptr(0) );
return 0;
case CG_CVAR_REGISTER: // void trap_Cvar_Register( vmCvar_t *cvar, const char *var_name, const char *value, int32_t flags )
g_syscall( cmd, ptr(0), ptr(1), ptr(2), arg(3) );
return 0;
case CG_CVAR_UPDATE: // void trap_Cvar_Update( vmCvar_t *cvar )
g_syscall( cmd, ptr(0) );
return 0;
case CG_CVAR_SET: // void trap_Cvar_Set( const char *var_name, const char *value )
g_syscall( cmd, ptr(0), ptr(1) );
return 0;
case CG_CVAR_VARIABLESTRINGBUFFER: // void trap_Cvar_VariableStringBuffer( const char *var_name, char *buffer, int32_t bufsize )
g_syscall( cmd, ptr(0), ptr(1), arg(2) );
return 0;
case CG_ADDCOMMAND: // void CL_AddCgameCommand( const char *cmdName )
g_syscall( cmd, ptr(0) );
return 0;
case CG_REMOVECOMMAND:
g_syscall( cmd, ptr(0) );
return 0;
case CG_SENDCLIENTCOMMAND:
g_syscall( cmd, ptr(0) );
return 0;
case CG_UPDATESCREEN:
g_syscall( cmd );
return 0;
case CG_CM_LOADMAP:
g_syscall( cmd, ptr(0) );
return 0;
case CG_CM_NUMINLINEMODELS:
return g_syscall( cmd );
case CG_CM_INLINEMODEL:
return g_syscall( cmd, arg(0) );
case CG_CM_TEMPBOXMODEL:
return g_syscall( cmd, ptr(0), ptr(1) );
case CG_CM_TEMPCAPSULEMODEL:
return g_syscall( cmd, ptr(0), ptr(1) );
case CG_CM_POINTCONTENTS:
return g_syscall( cmd, ptr(0), arg(1) );
case CG_CM_TRANSFORMEDPOINTCONTENTS:
return g_syscall( cmd, ptr(0), arg(1), ptr(2), ptr(3) );
case CG_CM_BOXTRACE:
g_syscall( cmd, ptr(0), ptr(1), ptr(2), ptr(3), ptr(4), arg(5), arg(6));
return 0;
case CG_CM_CAPSULETRACE:
g_syscall( cmd, ptr(0), ptr(1), ptr(2), ptr(3), ptr(4), arg(5), arg(6));
return 0;
case CG_CM_TRANSFORMEDBOXTRACE:
g_syscall( cmd, ptr(0), ptr(1), ptr(2), ptr(3), ptr(4), arg(5), arg(6), ptr(7), ptr(8));
return 0;
case CG_CM_TRANSFORMEDCAPSULETRACE:
g_syscall( cmd, ptr(0), ptr(1), ptr(2), ptr(3), ptr(4), arg(5), arg(6), ptr(7), ptr(8));
return 0;
case CG_CM_MARKFRAGMENTS:
return g_syscall( cmd, arg(0), ptr(1), ptr(2), arg(3), ptr(4), arg(5), ptr(6) );
case CG_S_STARTSOUND:
g_syscall( cmd, ptr(0), arg(1), arg(2), arg(3) );
return 0;
case CG_S_STARTLOCALSOUND:
g_syscall( cmd, arg(0), arg(1) );
return 0;
case CG_S_CLEARLOOPINGSOUNDS:
g_syscall( cmd, arg(0));
return 0;
case CG_S_ADDLOOPINGSOUND:
g_syscall( cmd, arg(0), ptr(1), ptr(2), arg(3) );
return 0;
case CG_S_ADDREALLOOPINGSOUND:
g_syscall( cmd, arg(0), ptr(1), ptr(2), arg(3) );
return 0;
case CG_S_STOPLOOPINGSOUND:
g_syscall( cmd, arg(0) );
return 0;
case CG_S_UPDATEENTITYPOSITION:
g_syscall( cmd, arg(0), ptr(1) );
return 0;
case CG_S_RESPATIALIZE:
g_syscall( cmd, arg(0), ptr(1), ptr(2), arg(3) );
return 0;
case CG_S_REGISTERSOUND:
return g_syscall( cmd, ptr(0), arg(1) );
case CG_S_STARTBACKGROUNDTRACK:
g_syscall( cmd, ptr(0), ptr(1) );
return 0;
case CG_R_LOADWORLDMAP:
g_syscall( cmd, ptr(0) );
return 0;
case CG_R_REGISTERMODEL:
return g_syscall( cmd, ptr(0) );
case CG_R_REGISTERSKIN:
return g_syscall( cmd, ptr(0) );
case CG_R_REGISTERSHADER:
return g_syscall( cmd, ptr(0) );
case CG_R_REGISTERSHADERNOMIP:
return g_syscall( cmd, ptr(0) );
case CG_R_REGISTERFONT:
g_syscall( cmd, ptr(0), arg(1), ptr(2));
case CG_R_CLEARSCENE:
g_syscall( cmd );
return 0;
case CG_R_ADDREFENTITYTOSCENE:
g_syscall( cmd, ptr(0) );
return 0;
case CG_R_ADDPOLYTOSCENE:
g_syscall( cmd, arg(0), arg(1), ptr(2) );
return 0;
case CG_R_ADDPOLYSTOSCENE:
g_syscall( cmd, arg(0), arg(1), ptr(2), arg(3) );
return 0;
case CG_R_LIGHTFORPOINT:
return g_syscall( cmd, ptr(0), ptr(1), ptr(2), ptr(3) );
case CG_R_ADDLIGHTTOSCENE:
g_syscall( cmd, ptr(0), arg(1), arg(2), arg(3), arg(4) );
return 0;
case CG_R_ADDADDITIVELIGHTTOSCENE:
g_syscall( cmd, ptr(0), arg(1), arg(2), arg(3), arg(4) );
return 0;
case CG_R_RENDERSCENE:
g_syscall( cmd, ptr(0) );
return 0;
case CG_R_SETCOLOR:
g_syscall( cmd, ptr(0) );
return 0;
case CG_R_DRAWSTRETCHPIC:
g_syscall( cmd, arg(0), arg(1), arg(2), arg(3), arg(4), arg(5), arg(6), arg(7), arg(8) );
return 0;
case CG_R_MODELBOUNDS:
g_syscall( cmd, arg(0), ptr(1), ptr(2) );
return 0;
case CG_R_LERPTAG:
return g_syscall( cmd, ptr(0), arg(1), arg(2), arg(3), arg(4), ptr(5) );
case CG_GETGLCONFIG:
g_syscall( cmd, ptr(0) );
return 0;
case CG_GETGAMESTATE: // void CL_GetGameState( gameState_t *gs )
g_syscall( cmd, ptr(0) );
return 0;
case CG_GETCURRENTSNAPSHOTNUMBER: // void CL_GetCurrentSnapshotNumber( int32_t *snapshotNumber, int32_t *serverTime )
g_syscall( cmd, ptr(0), ptr(1) );
return 0;
case CG_GETSNAPSHOT: // qboolean CL_GetSnapshot( int32_t snapshotNumber, snapshot_t *snapshot )
return g_syscall( cmd, arg(0), ptr(1) );
case CG_GETSERVERCOMMAND: // qboolean CL_GetServerCommand( int32_t serverCommandNumber )
return g_syscall( cmd, arg(0) );
case CG_GETCURRENTCMDNUMBER:
return g_syscall( cmd );
case CG_GETUSERCMD: // qboolean CL_GetUserCmd( int32_t cmdNumber, usercmd_t *ucmd )
return g_syscall( cmd, arg(0), ptr(1) );
case CG_SETUSERCMDVALUE: // void CL_SetUserCmdValue( int32_t userCmdValue, float sensitivityScale )
g_syscall( cmd, arg(0), arg(1) );
return 0;
case CG_MEMORY_REMAINING:
return g_syscall( cmd );
case CG_KEY_ISDOWN:
return g_syscall( cmd, arg(0) );
case CG_KEY_GETCATCHER:
return g_syscall( cmd );
case CG_KEY_SETCATCHER:
g_syscall( cmd, arg(0) );
return 0;
case CG_KEY_GETKEY:
return g_syscall( cmd, ptr(0) );
case CG_MEMSET:
g_syscall( cmd, ptr(0), arg(1), arg(2) );
return 0;
case CG_MEMCPY:
g_syscall( cmd, ptr(0), ptr(1), arg(2) );
return 0;
case CG_STRNCPY:
return g_syscall( cmd, ptr(0), ptr(1), arg(2) );
case CG_SIN:
return g_syscall( cmd, arg(0) );
case CG_COS:
return g_syscall( cmd, arg(0) );
case CG_ATAN2:
return g_syscall( cmd, arg(0), arg(1) );
case CG_SQRT:
return g_syscall( cmd, arg(0) );
case CG_FLOOR:
return g_syscall( cmd, arg(0) );
case CG_CEIL:
return g_syscall( cmd, arg(0) );
case CG_ACOS:
return g_syscall( cmd, arg(0) );
case CG_PC_ADD_GLOBAL_DEFINE:
return g_syscall( cmd, ptr(0) );
case CG_PC_LOAD_SOURCE:
return g_syscall( cmd, ptr(0) );
case CG_PC_FREE_SOURCE:
return g_syscall( cmd, arg(0) );
case CG_PC_READ_TOKEN:
return g_syscall( cmd, arg(0), ptr(1) );
case CG_PC_SOURCE_FILE_AND_LINE:
return g_syscall( cmd, arg(0), ptr(1), ptr(2) );
case CG_S_STOPBACKGROUNDTRACK:
g_syscall( cmd );
return 0;
case CG_REAL_TIME:
return g_syscall( cmd, ptr(0) );
case CG_SNAPVECTOR:
g_syscall( cmd, ptr(0) );
return 0;
case CG_CIN_PLAYCINEMATIC:
return g_syscall( cmd, ptr(0), arg(1), arg(2), arg(3), arg(4), arg(5));
case CG_CIN_STOPCINEMATIC:
return g_syscall( cmd, arg(0) );
case CG_CIN_RUNCINEMATIC:
return g_syscall( cmd, arg(0) );
case CG_CIN_DRAWCINEMATIC:
g_syscall( cmd, arg(0));
return 0;
case CG_CIN_SETEXTENTS:
g_syscall( cmd, arg(0), arg(1), arg(2), arg(3), arg(4));
return 0;
case CG_R_REMAP_SHADER:
g_syscall( cmd, ptr(0), ptr(1), ptr(2) );
return 0;
/*
case CG_LOADCAMERA:
return loadCamera(ptr(0));
case CG_STARTCAMERA:
startCamera(args[1]);
return 0;
case CG_GETCAMERAINFO:
return getCameraInfo(args[1), ptr(1), ptr(2));
*/
case CG_GET_ENTITY_TOKEN:
return g_syscall( cmd, ptr(0), arg(1) );
case CG_R_INPVS:
return g_syscall( cmd, ptr(0), ptr(1) );
default:
return 0;
}
return 0;
}