434 lines
11 KiB
C++
434 lines
11 KiB
C++
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// Copyright (C) 2007 Id Software, Inc.
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//
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#include "precompiled.h"
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#pragma hdrstop
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#if defined( _DEBUG ) && !defined( ID_REDIRECT_NEWDELETE )
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#define new DEBUG_NEW
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#undef THIS_FILE
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static char THIS_FILE[] = __FILE__;
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#endif
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#include "Camera.h"
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#include "Player.h"
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/*
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===============================================================================
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idCamera
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Base class for cameras
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===============================================================================
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*/
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ABSTRACT_DECLARATION( idEntity, idCamera )
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END_CLASS
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/*
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=====================
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idCamera::Spawn
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=====================
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*/
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void idCamera::Spawn( void ) {
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}
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/*
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=====================
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idCamera::Spawn
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=====================
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*/
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void idCamera::InitRenderView( void ) {
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memset( &renderView, 0, sizeof( renderView ) );
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renderView.vieworg = GetPhysics()->GetOrigin();
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renderView.fov_x = 120;
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renderView.fov_y = 120;
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renderView.viewaxis = GetPhysics()->GetAxis();
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// copy global shader parms
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// Gordon: these are never used
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for( int i = 0; i < MAX_GLOBAL_SHADER_PARMS; i++ ) {
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renderView.shaderParms[ i ] = gameLocal.globalShaderParms[ i ];
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}
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renderView.globalMaterial = gameLocal.GetGlobalMaterial();
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renderView.time = gameLocal.time;
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}
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/*
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=====================
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idCamera::GetRenderView
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=====================
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*/
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renderView_t *idCamera::GetRenderView() {
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InitRenderView();
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GetViewParms( &renderView );
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return &renderView;
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}
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/*
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===============================================================================
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idCamera_MD5
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===============================================================================
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*/
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/*
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================
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idCamera_MD5::idCamera_MD5
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================
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*/
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idCamera_MD5::idCamera_MD5( void ) {
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offset.Zero();
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frameRate = 0;
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cycle = 1;
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starttime = 0;
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}
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/*
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================
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idCamera_MD5::~idCamera_MD5
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================
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*/
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idCamera_MD5::~idCamera_MD5( void ) {
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}
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/*
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================
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idCamera_MD5::LoadAnim
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================
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*/
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bool idCamera_MD5::LoadAnim( const char* filename ) {
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int version;
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idLexer parser( LEXFL_ALLOWPATHNAMES | LEXFL_NOSTRINGESCAPECHARS | LEXFL_NOSTRINGCONCAT );
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idToken token;
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int numFrames;
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int numCuts;
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int i;
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idStr md5FileName;
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md5FileName = filename;
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md5FileName.SetFileExtension( MD5_CAMERA_EXT );
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if ( !parser.LoadFile( md5FileName ) ) {
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gameLocal.Warning( "Failed to open '%s'", md5FileName.c_str() );
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return false;
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}
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cameraCuts.Clear();
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cameraCuts.SetGranularity( 1 );
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camera.Clear();
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camera.SetGranularity( 1 );
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parser.ExpectTokenString( MD5_VERSION_STRING );
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version = parser.ParseInt();
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if ( version != MD5_VERSION ) {
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parser.Error( "Invalid version %d. Should be version %d", version, MD5_VERSION );
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return false;
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}
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// skip the commandline
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parser.ExpectTokenString( "commandline" );
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parser.ReadToken( &token );
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// parse num frames
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parser.ExpectTokenString( "numFrames" );
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numFrames = parser.ParseInt();
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if ( numFrames <= 0 ) {
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parser.Error( "Invalid number of frames: %d", numFrames );
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return false;
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}
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// parse framerate
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parser.ExpectTokenString( "frameRate" );
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frameRate = parser.ParseInt();
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if ( frameRate <= 0 ) {
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parser.Error( "Invalid framerate: %d", frameRate );
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return false;
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}
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// parse num cuts
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parser.ExpectTokenString( "numCuts" );
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numCuts = parser.ParseInt();
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if ( ( numCuts < 0 ) || ( numCuts > numFrames ) ) {
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parser.Error( "Invalid number of camera cuts: %d", numCuts );
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return false;
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}
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// parse the camera cuts
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parser.ExpectTokenString( "cuts" );
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parser.ExpectTokenString( "{" );
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cameraCuts.SetNum( numCuts );
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for( i = 0; i < numCuts; i++ ) {
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cameraCuts[ i ] = parser.ParseInt();
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if ( ( cameraCuts[ i ] < 1 ) || ( cameraCuts[ i ] >= numFrames ) ) {
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parser.Error( "Invalid camera cut" );
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return false;
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}
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}
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parser.ExpectTokenString( "}" );
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// parse the camera frames
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parser.ExpectTokenString( "camera" );
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parser.ExpectTokenString( "{" );
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camera.SetNum( numFrames );
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for( i = 0; i < numFrames; i++ ) {
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parser.Parse1DMatrix( 3, camera[ i ].t.ToFloatPtr() );
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parser.Parse1DMatrix( 3, camera[ i ].q.ToFloatPtr() );
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camera[ i ].fov = parser.ParseFloat();
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}
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parser.ExpectTokenString( "}" );
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#if 0
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if ( !gameLocal.GetLocalPlayer() ) {
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return true;
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}
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idDebugGraph gGraph;
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idDebugGraph tGraph;
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idDebugGraph qGraph;
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idDebugGraph dtGraph;
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idDebugGraph dqGraph;
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gGraph.SetNumSamples( numFrames );
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tGraph.SetNumSamples( numFrames );
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qGraph.SetNumSamples( numFrames );
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dtGraph.SetNumSamples( numFrames );
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dqGraph.SetNumSamples( numFrames );
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gameLocal.Printf( "\n\ndelta vec:\n" );
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float diff_t, last_t, t;
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float diff_q, last_q, q;
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diff_t = last_t = 0.0f;
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diff_q = last_q = 0.0f;
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for( i = 1; i < numFrames; i++ ) {
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t = ( camera[ i ].t - camera[ i - 1 ].t ).Length();
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q = ( camera[ i ].q.ToQuat() - camera[ i - 1 ].q.ToQuat() ).Length();
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diff_t = t - last_t;
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diff_q = q - last_q;
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gGraph.AddValue( ( i % 10 ) == 0 );
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tGraph.AddValue( t );
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qGraph.AddValue( q );
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dtGraph.AddValue( diff_t );
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dqGraph.AddValue( diff_q );
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gameLocal.Printf( "%d: %.8f : %.8f, %.8f : %.8f\n", i, t, diff_t, q, diff_q );
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last_t = t;
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last_q = q;
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}
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gGraph.Draw( colorBlue, 300.0f );
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tGraph.Draw( colorOrange, 60.0f );
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dtGraph.Draw( colorYellow, 6000.0f );
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qGraph.Draw( colorGreen, 60.0f );
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dqGraph.Draw( colorCyan, 6000.0f );
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#endif
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return true;
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}
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/*
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================
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idCamera_MD5::SkipToEnd
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================
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*/
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bool idCamera_MD5::SkipToEnd() {
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if ( camera.Num() < 2 ) {
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// 1 frame anims never end
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return false;
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}
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int frame;
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int frameTime;
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if ( frameRate == USERCMD_HZ ) {
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frameTime = gameLocal.time - starttime;
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frame = frameTime / gameLocal.msec;
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} else {
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frameTime = ( gameLocal.time - starttime ) * frameRate;
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frame = frameTime / 1000;
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}
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if ( frame > camera.Num() + cameraCuts.Num() - 2 ) {
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if ( cycle > 0 ) {
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cycle--;
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}
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if ( cycle != 0 ) {
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// advance start time so that we loop
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starttime += ( ( camera.Num() - cameraCuts.Num() ) * 1000 ) / frameRate;
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} else {
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return true;
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}
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}
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return false;
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}
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/*
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================
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idCamera_MD5::Evaluate
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================
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*/
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bool idCamera_MD5::Evaluate( idVec3& origin, idMat3& axis, float& fov, int time ) {
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int realFrame;
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int frame;
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int frameTime;
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float lerp;
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float invlerp;
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cameraFrame_t *camFrame;
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int i;
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int cut;
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idQuat q1, q2, q3;
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bool stopped = false;
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if ( camera.Num() == 0 ) {
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// we most likely are in the middle of a restore
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// FIXME: it would be better to fix it so this doesn't get called during a restore
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origin = vec3_origin;
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axis = mat3_identity;
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fov = 90.f;
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return stopped;
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}
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if ( frameRate == USERCMD_HZ ) {
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frameTime = time - starttime;
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frame = frameTime / gameLocal.msec;
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lerp = 0.0f;
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} else {
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frameTime = ( time - starttime ) * frameRate;
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frame = frameTime / 1000;
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lerp = ( frameTime % 1000 ) * 0.001f;
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}
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// skip any frames where camera cuts occur
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realFrame = frame;
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cut = 0;
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for( i = 0; i < cameraCuts.Num(); i++ ) {
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if ( frame < cameraCuts[ i ] ) {
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break;
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}
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frame++;
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cut++;
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}
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if ( g_debugCinematic.GetBool() ) {
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int prevFrameTime = ( time - starttime - gameLocal.msec ) * frameRate;
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int prevFrame = prevFrameTime / 1000;
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int prevCut;
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prevCut = 0;
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for( i = 0; i < cameraCuts.Num(); i++ ) {
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if ( prevFrame < cameraCuts[ i ] ) {
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break;
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}
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prevFrame++;
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prevCut++;
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}
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if ( prevCut != cut ) {
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gameLocal.Printf( "%d: cut %d\n", gameLocal.framenum, cut );
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}
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}
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// clamp to the first frame. also check if this is a one frame anim. one frame anims would end immediately,
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// but since they're mainly used for static cams anyway, just stay on it infinitely.
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if ( ( frame < 0 ) || ( camera.Num() < 2 ) ) {
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axis = camera[ 0 ].q.ToQuat().ToMat3();
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origin = camera[ 0 ].t + offset;
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fov = camera[ 0 ].fov;
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} else if ( frame > camera.Num() - 2 ) {
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if ( cycle > 0 ) {
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cycle--;
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}
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if ( cycle != 0 ) {
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// advance start time so that we loop
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starttime += ( ( camera.Num() - cameraCuts.Num() ) * 1000 ) / frameRate;
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Evaluate( origin, axis, fov, time );
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return stopped;
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}
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stopped = true;
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// use our last frame
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camFrame = &camera[ camera.Num() - 1 ];
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axis = camFrame->q.ToQuat().ToMat3();
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origin = camFrame->t + offset;
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fov = camFrame->fov;
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} else if ( lerp == 0.0f ) {
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camFrame = &camera[ frame ];
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axis = camFrame[ 0 ].q.ToMat3();
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origin = camFrame[ 0 ].t + offset;
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fov = camFrame[ 0 ].fov;
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} else {
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camFrame = &camera[ frame ];
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invlerp = 1.0f - lerp;
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q1 = camFrame[ 0 ].q.ToQuat();
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q2 = camFrame[ 1 ].q.ToQuat();
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q3.Slerp( q1, q2, lerp );
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axis = q3.ToMat3();
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origin = camFrame[ 0 ].t * invlerp + camFrame[ 1 ].t * lerp + offset;
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fov = camFrame[ 0 ].fov * invlerp + camFrame[ 1 ].fov * lerp;
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}
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#if 0
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static int lastFrame = 0;
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static idVec3 lastFrameVec( 0.0f, 0.0f, 0.0f );
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if ( time != lastFrame ) {
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gameRenderWorld->DebugBounds( colorCyan, idBounds( view->vieworg ).Expand( 16.0f ), vec3_origin, gameLocal.msec );
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gameRenderWorld->DebugLine( colorRed, view->vieworg, view->vieworg + idVec3( 0.0f, 0.0f, 2.0f ), 10000, false );
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gameRenderWorld->DebugLine( colorCyan, lastFrameVec, view->vieworg, 10000, false );
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gameRenderWorld->DebugLine( colorYellow, view->vieworg + view->viewaxis[ 0 ] * 64.0f, view->vieworg + view->viewaxis[ 0 ] * 66.0f, 10000, false );
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gameRenderWorld->DebugLine( colorOrange, view->vieworg + view->viewaxis[ 0 ] * 64.0f, view->vieworg + view->viewaxis[ 0 ] * 64.0f + idVec3( 0.0f, 0.0f, 2.0f ), 10000, false );
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lastFrameVec = view->vieworg;
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lastFrame = time;
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||
|
|
}
|
||
|
|
#endif
|
||
|
|
|
||
|
|
if ( g_showcamerainfo.GetBool() ) {
|
||
|
|
gameLocal.Printf( "^5Frame: ^7%d/%d\n\n\n", realFrame + 1, camera.Num() - cameraCuts.Num() );
|
||
|
|
}
|
||
|
|
|
||
|
|
return stopped;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
/*
|
||
|
|
===============================================================================
|
||
|
|
|
||
|
|
sdCamera_Placement
|
||
|
|
|
||
|
|
===============================================================================
|
||
|
|
*/
|
||
|
|
|
||
|
|
|
||
|
|
CLASS_DECLARATION( idCamera, sdCamera_Placement )
|
||
|
|
END_CLASS
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
/*
|
||
|
|
============
|
||
|
|
sdCamera_Placement::Spawn
|
||
|
|
============
|
||
|
|
*/
|
||
|
|
void sdCamera_Placement::Spawn() {
|
||
|
|
fov = spawnArgs.GetFloat( "fov", "90" );
|
||
|
|
}
|
||
|
|
|
||
|
|
/*
|
||
|
|
============
|
||
|
|
sdCamera_Placement::GetViewParms
|
||
|
|
============
|
||
|
|
*/
|
||
|
|
void sdCamera_Placement::GetViewParms( renderView_t* view ) {
|
||
|
|
assert( view );
|
||
|
|
view->vieworg = GetPhysics()->GetOrigin();
|
||
|
|
view->viewaxis = GetPhysics()->GetAxis();
|
||
|
|
gameLocal.CalcFov( fov, view->fov_x, view->fov_y );
|
||
|
|
}
|