// Copyright (C) 1999-2000 Id Software, Inc.
//
// cg_syscalls.c -- this file is only included when building a dll
// cg_syscalls.asm is included instead when building a qvm

/*
 *  Portions Copyright (C) 2000-2001 Tim Angus
 *
 *  This program is free software; you can redistribute it and/or modify it
 *  under the terms of the OSML - Open Source Modification License v1.0 as
 *  described in the file COPYING which is distributed with this source
 *  code.
 *
 *  This program 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.
 */

#include "cg_local.h"

static int (QDECL *syscall)( int arg, ... ) = (int (QDECL *)( int, ...))-1;


void dllEntry( int (QDECL  *syscallptr)( int arg,... ) )
{
  syscall = syscallptr;
}


int PASSFLOAT( float x )
{
  float floatTemp;
  floatTemp = x;
  return *(int *)&floatTemp;
}

void trap_Print( const char *fmt )
{
  syscall( CG_PRINT, fmt );
}

void trap_Error( const char *fmt )
{
  syscall( CG_ERROR, fmt );
}

int trap_Milliseconds( void )
{
  return syscall( CG_MILLISECONDS ); 
}

void trap_Cvar_Register( vmCvar_t *vmCvar, const char *varName, const char *defaultValue, int flags )
{
  syscall( CG_CVAR_REGISTER, vmCvar, varName, defaultValue, flags );
}

void trap_Cvar_Update( vmCvar_t *vmCvar )
{
  syscall( CG_CVAR_UPDATE, vmCvar );
}

void trap_Cvar_Set( const char *var_name, const char *value )
{
  syscall( CG_CVAR_SET, var_name, value );
}

void trap_Cvar_VariableStringBuffer( const char *var_name, char *buffer, int bufsize )
{
  syscall( CG_CVAR_VARIABLESTRINGBUFFER, var_name, buffer, bufsize );
}

int trap_Argc( void )
{
  return syscall( CG_ARGC );
}

void  trap_Argv( int n, char *buffer, int bufferLength )
{
  syscall( CG_ARGV, n, buffer, bufferLength );
}

void  trap_Args( char *buffer, int bufferLength )
{
  syscall( CG_ARGS, buffer, bufferLength );
}

int trap_FS_FOpenFile( const char *qpath, fileHandle_t *f, fsMode_t mode )
{
  return syscall( CG_FS_FOPENFILE, qpath, f, mode );
}

void  trap_FS_Read( void *buffer, int len, fileHandle_t f ) 
{
  syscall( CG_FS_READ, buffer, len, f );
}

void trap_FS_Write( const void *buffer, int len, fileHandle_t f )
{
  syscall( CG_FS_WRITE, buffer, len, f );
}

void  trap_FS_FCloseFile( fileHandle_t f )
{
  syscall( CG_FS_FCLOSEFILE, f );
}

void trap_FS_Seek( fileHandle_t f, int offset, fsOrigin_t origin )
{
  syscall( CG_FS_SEEK, f, offset, origin );
}

void  trap_SendConsoleCommand( const char *text )
{
  syscall( CG_SENDCONSOLECOMMAND, text );
}

void  trap_AddCommand( const char *cmdName )
{
  syscall( CG_ADDCOMMAND, cmdName );
}

void  trap_RemoveCommand( const char *cmdName )
{
    syscall( CG_REMOVECOMMAND, cmdName );
}

void  trap_SendClientCommand( const char *s )
{
  syscall( CG_SENDCLIENTCOMMAND, s );
}

void  trap_UpdateScreen( void )
{
  syscall( CG_UPDATESCREEN );
}

void  trap_CM_LoadMap( const char *mapname )
{
  syscall( CG_CM_LOADMAP, mapname );
}

int   trap_CM_NumInlineModels( void )
{
  return syscall( CG_CM_NUMINLINEMODELS );
}

clipHandle_t trap_CM_InlineModel( int index )
{
  return syscall( CG_CM_INLINEMODEL, index );
}

clipHandle_t trap_CM_TempBoxModel( const vec3_t mins, const vec3_t maxs )
{
  return syscall( CG_CM_TEMPBOXMODEL, mins, maxs );
}

clipHandle_t trap_CM_TempCapsuleModel( const vec3_t mins, const vec3_t maxs )
{
  return syscall( CG_CM_TEMPCAPSULEMODEL, mins, maxs );
}

int   trap_CM_PointContents( const vec3_t p, clipHandle_t model )
{
  return syscall( CG_CM_POINTCONTENTS, p, model );
}

int   trap_CM_TransformedPointContents( const vec3_t p, clipHandle_t model, const vec3_t origin,
                                        const vec3_t angles )
{
  return syscall( CG_CM_TRANSFORMEDPOINTCONTENTS, p, model, origin, angles );
}

void  trap_CM_BoxTrace( trace_t *results, const vec3_t start, const vec3_t end,
              const vec3_t mins, const vec3_t maxs,
              clipHandle_t model, int brushmask )
{
  syscall( CG_CM_BOXTRACE, results, start, end, mins, maxs, model, brushmask );
}

void  trap_CM_CapsuleTrace( trace_t *results, const vec3_t start, const vec3_t end,
              const vec3_t mins, const vec3_t maxs,
              clipHandle_t model, int brushmask )
{
  syscall( CG_CM_CAPSULETRACE, results, start, end, mins, maxs, model, brushmask );
}

void  trap_CM_TransformedBoxTrace( trace_t *results, const vec3_t start, const vec3_t end,
              const vec3_t mins, const vec3_t maxs,
              clipHandle_t model, int brushmask,
              const vec3_t origin, const vec3_t angles )
{
  syscall( CG_CM_TRANSFORMEDBOXTRACE, results, start, end, mins, maxs, model, brushmask, origin, angles );
}

void  trap_CM_TransformedCapsuleTrace( trace_t *results, const vec3_t start, const vec3_t end,
              const vec3_t mins, const vec3_t maxs,
              clipHandle_t model, int brushmask,
              const vec3_t origin, const vec3_t angles )
{
  syscall( CG_CM_TRANSFORMEDCAPSULETRACE, results, start, end, mins, maxs, model, brushmask, origin, angles );
}

int   trap_CM_MarkFragments( int numPoints, const vec3_t *points, 
        const vec3_t projection,
        int maxPoints, vec3_t pointBuffer,
        int maxFragments, markFragment_t *fragmentBuffer )
{
  return syscall( CG_CM_MARKFRAGMENTS, numPoints, points, projection, maxPoints,
                  pointBuffer, maxFragments, fragmentBuffer );
}

void  trap_S_StartSound( vec3_t origin, int entityNum, int entchannel, sfxHandle_t sfx )
{
  syscall( CG_S_STARTSOUND, origin, entityNum, entchannel, sfx );
}

void  trap_S_StartLocalSound( sfxHandle_t sfx, int channelNum )
{
  syscall( CG_S_STARTLOCALSOUND, sfx, channelNum );
}

void  trap_S_ClearLoopingSounds( qboolean killall )
{
  syscall( CG_S_CLEARLOOPINGSOUNDS, killall );
}

void  trap_S_AddLoopingSound( int entityNum, const vec3_t origin, const vec3_t velocity, sfxHandle_t sfx )
{
  syscall( CG_S_ADDLOOPINGSOUND, entityNum, origin, velocity, sfx );
}

void  trap_S_AddRealLoopingSound( int entityNum, const vec3_t origin, const vec3_t velocity, sfxHandle_t sfx )
{
  syscall( CG_S_ADDREALLOOPINGSOUND, entityNum, origin, velocity, sfx );
}

void  trap_S_StopLoopingSound( int entityNum )
{
  syscall( CG_S_STOPLOOPINGSOUND, entityNum );
}

void  trap_S_UpdateEntityPosition( int entityNum, const vec3_t origin )
{
  syscall( CG_S_UPDATEENTITYPOSITION, entityNum, origin );
}

void  trap_S_Respatialize( int entityNum, const vec3_t origin, vec3_t axis[3], int inwater )
{
  syscall( CG_S_RESPATIALIZE, entityNum, origin, axis, inwater );
}

sfxHandle_t trap_S_RegisterSound( const char *sample, qboolean compressed )
{
  return syscall( CG_S_REGISTERSOUND, sample, compressed );
}

void  trap_S_StartBackgroundTrack( const char *intro, const char *loop )
{
  syscall( CG_S_STARTBACKGROUNDTRACK, intro, loop );
}

void  trap_R_LoadWorldMap( const char *mapname )
{
  syscall( CG_R_LOADWORLDMAP, mapname );
}

qhandle_t trap_R_RegisterModel( const char *name )
{
  return syscall( CG_R_REGISTERMODEL, name );
}

qhandle_t trap_R_RegisterSkin( const char *name )
{
  return syscall( CG_R_REGISTERSKIN, name );
}

qhandle_t trap_R_RegisterShader( const char *name ) 
{
  return syscall( CG_R_REGISTERSHADER, name );
}

qhandle_t trap_R_RegisterShaderNoMip( const char *name )
{
  return syscall( CG_R_REGISTERSHADERNOMIP, name );
}

void trap_R_RegisterFont( const char *fontName, int pointSize, fontInfo_t *font )
{
  syscall(CG_R_REGISTERFONT, fontName, pointSize, font );
}

void  trap_R_ClearScene( void )
{
  syscall( CG_R_CLEARSCENE );
}

void  trap_R_AddRefEntityToScene( const refEntity_t *re )
{
  syscall( CG_R_ADDREFENTITYTOSCENE, re );
}

void trap_R_AddPolyToScene( qhandle_t hShader , int numVerts, const polyVert_t *verts )
{
  syscall( CG_R_ADDPOLYTOSCENE, hShader, numVerts, verts );
}

void trap_R_AddPolysToScene( qhandle_t hShader , int numVerts, const polyVert_t *verts, int num )
{
  syscall( CG_R_ADDPOLYSTOSCENE, hShader, numVerts, verts, num );
}

int trap_R_LightForPoint( vec3_t point, vec3_t ambientLight, vec3_t directedLight, vec3_t lightDir )
{
  return syscall( CG_R_LIGHTFORPOINT, point, ambientLight, directedLight, lightDir );
}

void  trap_R_AddLightToScene( const vec3_t org, float intensity, float r, float g, float b )
{
  syscall( CG_R_ADDLIGHTTOSCENE, org, PASSFLOAT(intensity), PASSFLOAT(r), PASSFLOAT(g), PASSFLOAT(b) );
}

void  trap_R_AddAdditiveLightToScene( const vec3_t org, float intensity, float r, float g, float b )
{
  syscall( CG_R_ADDADDITIVELIGHTTOSCENE, org, PASSFLOAT(intensity), PASSFLOAT(r), PASSFLOAT(g), PASSFLOAT(b) );
}

void  trap_R_RenderScene( const refdef_t *fd )
{
  syscall( CG_R_RENDERSCENE, fd );
}

void  trap_R_SetColor( const float *rgba )
{
  syscall( CG_R_SETCOLOR, rgba );
}

void  trap_R_DrawStretchPic( float x, float y, float w, float h, 
                 float s1, float t1, float s2, float t2, qhandle_t hShader )
{
  syscall( CG_R_DRAWSTRETCHPIC, PASSFLOAT(x), PASSFLOAT(y), PASSFLOAT(w), PASSFLOAT(h),
           PASSFLOAT(s1), PASSFLOAT(t1), PASSFLOAT(s2), PASSFLOAT(t2), hShader );
}

void  trap_R_ModelBounds( clipHandle_t model, vec3_t mins, vec3_t maxs ) {
  syscall( CG_R_MODELBOUNDS, model, mins, maxs );
}

int   trap_R_LerpTag( orientation_t *tag, clipHandle_t mod, int startFrame, int endFrame, 
             float frac, const char *tagName )
{
  return syscall( CG_R_LERPTAG, tag, mod, startFrame, endFrame, PASSFLOAT(frac), tagName );
}

void  trap_R_RemapShader( const char *oldShader, const char *newShader, const char *timeOffset )
{
  syscall( CG_R_REMAP_SHADER, oldShader, newShader, timeOffset );
}

void trap_GetGlconfig( glconfig_t *glconfig )
{
  syscall( CG_GETGLCONFIG, glconfig );
}

void trap_GetGameState( gameState_t *gamestate )
{
  syscall( CG_GETGAMESTATE, gamestate );
}

void trap_GetCurrentSnapshotNumber( int *snapshotNumber, int *serverTime )
{
  syscall( CG_GETCURRENTSNAPSHOTNUMBER, snapshotNumber, serverTime );
}

qboolean  trap_GetSnapshot( int snapshotNumber, snapshot_t *snapshot )
{
  return syscall( CG_GETSNAPSHOT, snapshotNumber, snapshot );
}

qboolean  trap_GetServerCommand( int serverCommandNumber )
{
  return syscall( CG_GETSERVERCOMMAND, serverCommandNumber );
}

int trap_GetCurrentCmdNumber( void )
{
  return syscall( CG_GETCURRENTCMDNUMBER );
}

qboolean  trap_GetUserCmd( int cmdNumber, usercmd_t *ucmd )
{
  return syscall( CG_GETUSERCMD, cmdNumber, ucmd );
}

void    trap_SetUserCmdValue( int stateValue, float sensitivityScale )
{
  syscall( CG_SETUSERCMDVALUE, stateValue, PASSFLOAT( sensitivityScale ) );
}

void    testPrintInt( char *string, int i )
{
  syscall( CG_TESTPRINTINT, string, i );
}

void    testPrintFloat( char *string, float f )
{
  syscall( CG_TESTPRINTFLOAT, string, PASSFLOAT(f) );
}

int trap_MemoryRemaining( void )
{
  return syscall( CG_MEMORY_REMAINING );
}

qboolean trap_Key_IsDown( int keynum )
{
  return syscall( CG_KEY_ISDOWN, keynum );
}

int trap_Key_GetCatcher( void )
{
  return syscall( CG_KEY_GETCATCHER );
}

void trap_Key_SetCatcher( int catcher )
{
  syscall( CG_KEY_SETCATCHER, catcher );
}

int trap_Key_GetKey( const char *binding )
{
  return syscall( CG_KEY_GETKEY, binding );
}

int trap_PC_AddGlobalDefine( char *define )
{
  return syscall( CG_PC_ADD_GLOBAL_DEFINE, define );
}

int trap_PC_LoadSource( const char *filename )
{
  return syscall( CG_PC_LOAD_SOURCE, filename );
}

int trap_PC_FreeSource( int handle )
{
  return syscall( CG_PC_FREE_SOURCE, handle );
}

int trap_PC_ReadToken( int handle, pc_token_t *pc_token )
{
  return syscall( CG_PC_READ_TOKEN, handle, pc_token );
}

int trap_PC_SourceFileAndLine( int handle, char *filename, int *line )
{
  return syscall( CG_PC_SOURCE_FILE_AND_LINE, handle, filename, line );
}

void  trap_S_StopBackgroundTrack( void )
{
  syscall( CG_S_STOPBACKGROUNDTRACK );
}

int trap_RealTime(qtime_t *qtime)
{
  return syscall( CG_REAL_TIME, qtime );
}

void trap_SnapVector( float *v )
{
  syscall( CG_SNAPVECTOR, v );
}

// this returns a handle.  arg0 is the name in the format "idlogo.roq", set arg1 to NULL, alteredstates to qfalse (do not alter gamestate)
int trap_CIN_PlayCinematic( const char *arg0, int xpos, int ypos, int width, int height, int bits )
{
  return syscall(CG_CIN_PLAYCINEMATIC, arg0, xpos, ypos, width, height, bits);
}
 
// stops playing the cinematic and ends it.  should always return FMV_EOF
// cinematics must be stopped in reverse order of when they are started
e_status trap_CIN_StopCinematic( int handle )
{
  return syscall(CG_CIN_STOPCINEMATIC, handle);
}


// will run a frame of the cinematic but will not draw it.  Will return FMV_EOF if the end of the cinematic has been reached.
e_status trap_CIN_RunCinematic( int handle )
{
  return syscall(CG_CIN_RUNCINEMATIC, handle);
}
 

// draws the current frame
void trap_CIN_DrawCinematic( int handle )
{
  syscall(CG_CIN_DRAWCINEMATIC, handle);
}
 

// allows you to resize the animation dynamically
void trap_CIN_SetExtents( int handle, int x, int y, int w, int h )
{
  syscall(CG_CIN_SETEXTENTS, handle, x, y, w, h);
}