347 lines
9.4 KiB
C++
347 lines
9.4 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 "../Atmosphere.h"
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#include "SnowEffect.h"
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#include "../Player.h"
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#include "../demos/DemoManager.h"
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CLASS_DECLARATION( idEntity, sdSnowEffect )
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END_CLASS
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/*
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==============
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sdSnowEffect::Spawn
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==============
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*/
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void sdSnowEffect::Spawn( void ) {
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renderEntity_t *re = GetRenderEntity();
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re->numInsts = MAX_GROUPS;
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re->insts = new sdInstInfo[ re->numInsts ];
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idVec3 zero;
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idMat3 I;
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zero.Zero();
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I.Identity();
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this->SetPosition( zero, I );
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idBounds modelbb = re->hModel->Bounds();
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idVec3 extents = (modelbb.GetMaxs() - modelbb.GetMins()) * 0.5f;
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idPlayer *p = gameLocal.GetLocalViewPlayer();
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idVec3 const &v = p->GetViewPos();
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for (int i=0; i<MAX_GROUPS; i++) {
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groups[i].time = -1.f;
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}
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BecomeActive( TH_THINK );
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UpdateVisuals();
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}
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/*
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==============
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sdSnowEffect::Think
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==============
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*/
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void sdSnowEffect::Think( void ) {
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renderEntity_t *re = GetRenderEntity();
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if ( re->hModel == NULL ) {
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return;
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}
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idBounds modelbb = re->hModel->Bounds();
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idVec3 extents = (modelbb.GetMaxs() - modelbb.GetMins()) * 0.5f;
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idPlayer *p = gameLocal.GetLocalViewPlayer();
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idVec3 const &v = p->GetViewPos();
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for (int i=0; i<MAX_GROUPS; i++) {
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groups[i].time -= 1.f / 30.f;
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if ( groups[i].time < 0.f ) {
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groups[i].axis = idVec3( idRandom::StaticRandom().RandomFloat()- 0.15f , idRandom::StaticRandom().RandomFloat() - 0.5f , idRandom::StaticRandom().RandomFloat() - 0.5f );
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groups[i].axis.z *= 40.25f;
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groups[i].axis.Normalize();
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groups[i].rotate = 0.f;
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groups[i].rotateSpeed = idRandom::StaticRandom().RandomFloat() * 50.f + 50.f;
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groups[i].rotationPoint = idVec3( idRandom::StaticRandom().RandomFloat() * extents.x,
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idRandom::StaticRandom().RandomFloat() * extents.y,
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idRandom::StaticRandom().RandomFloat() * extents.z );
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groups[i].alpha = 0.f;
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groups[i].time = idRandom::StaticRandom().RandomFloat() * 1.f + 1.f;
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groups[i].worldPos = v + idVec3( (idRandom::StaticRandom().RandomFloat()-0.5f) * extents.x * 3,
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(idRandom::StaticRandom().RandomFloat()-0.5f) * extents.y * 3,
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(idRandom::StaticRandom().RandomFloat()-0.5f) * extents.z * 3 );
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} else {
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if ( groups[i].time > 0.25f ) {
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groups[i].alpha += 1.f / 7.5f;
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if ( groups[i].alpha > 1.f ) {
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groups[i].alpha = 1.f;
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}
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} else {
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groups[i].alpha = groups[i].time * 4.f;
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if ( groups[i].alpha < 0.f ) {
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groups[i].alpha = 0.f;
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}
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}
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groups[i].worldPos += idVec3( 0.f, 0.f, -600.f ) * 1.f / 30.f;
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groups[i].rotate += groups[i].rotateSpeed * 1.f / 30.f;
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}
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}
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int gridx = idMath::Ftoi( idMath::Floor(v.x / extents.x) );
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int gridy = idMath::Ftoi( idMath::Floor(v.y / extents.y) );
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idBounds bounds;
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bounds.Clear();
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sdInstInfo *inst = re->insts;
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for (int i=0; i<MAX_GROUPS; i++) {
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idRotation r( groups[i].rotationPoint, groups[i].axis, groups[i].rotate );
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idBounds bb2;
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inst->inst.color[0] = 0xff;
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inst->inst.color[1] = 0xff;
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inst->inst.color[2] = 0xff;
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inst->inst.color[3] = 0xff;
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inst->fadeOrigin = inst->inst.origin = groups[i].worldPos;
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inst->inst.axis = r.ToMat3();
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inst->maxVisDist = 0;
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inst->minVisDist = 0.f;
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bb2.FromTransformedBounds( modelbb, inst->inst.origin, inst->inst.axis );
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bounds.AddBounds( bb2 );
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inst++;
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}
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re->flags.overridenBounds = true;
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re->bounds = bounds;
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UpdateVisuals();
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Present();
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}
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/*
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==============
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sdSnowPrecipitation::sdSnowPrecipitation
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==============
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*/
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sdSnowPrecipitation::sdSnowPrecipitation( sdPrecipitationParameters const &_parms ) : parms(_parms) {
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renderEntity_t *re = GetRenderEntity();
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renderEntityHandle = -1;
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memset( re, 0, sizeof( renderEntity ) );
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re->hModel = parms.model;
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re->axis.Identity();
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re->origin.Zero();
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re->numInsts = MAX_GROUPS;
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re->insts = new sdInstInfo[ re->numInsts ];
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idBounds modelbb = re->hModel->Bounds();
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idVec3 extents = (modelbb.GetMaxs() - modelbb.GetMins()) * 0.5f;
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idPlayer *p = gameLocal.GetLocalViewPlayer();
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idVec3 const &v = p->GetViewPos();
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for (int i=0; i<MAX_GROUPS; i++) {
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groups[i].time = -1.f;
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}
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SetupEffect();
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}
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/*
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==============
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sdSnowPrecipitation::~sdSnowPrecipitation
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==============
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*/
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sdSnowPrecipitation::~sdSnowPrecipitation() {
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FreeRenderEntity();
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delete []renderEntity.insts;
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}
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/*
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==============
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sdSnowPrecipitation::SetupEffect
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==============
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*/
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void sdSnowPrecipitation::SetupEffect( void ) {
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renderEffect_t &renderEffect = effect.GetRenderEffect();
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renderEffect.declEffect = parms.effect;
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renderEffect.axis.Identity();
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renderEffect.loop = true;
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renderEffect.shaderParms[SHADERPARM_RED] = 1.0f;
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renderEffect.shaderParms[SHADERPARM_GREEN] = 1.0f;
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renderEffect.shaderParms[SHADERPARM_BLUE] = 1.0f;
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renderEffect.shaderParms[SHADERPARM_ALPHA] = 1.0f;
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renderEffect.shaderParms[SHADERPARM_BRIGHTNESS] = 1.0f;
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effectRunning = false;
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}
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/*
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==============
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sdSnowPrecipitation::SetMaxActiveParticles
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==============
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*/
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void sdSnowPrecipitation::SetMaxActiveParticles( int num ) {
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}
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/*
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sdSnowPrecipitation::Update
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==============
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*/
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void sdSnowPrecipitation::Update( void ) {
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renderEntity_t *re = GetRenderEntity();
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if ( re->hModel == NULL ) {
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return;
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}
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idBounds modelbb = re->hModel->Bounds();
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idVec3 extents = (modelbb.GetMaxs() - modelbb.GetMins()) * 0.5f;
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idPlayer *p = gameLocal.GetLocalViewPlayer();
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idVec3 const &v = p->GetViewPos();
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for (int i=0; i<MAX_GROUPS; i++) {
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groups[i].time -= 1.f / 30.f;
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if ( groups[i].time < 0.f ) {
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groups[i].axis = idVec3( idRandom::StaticRandom().RandomFloat()- 0.15f , idRandom::StaticRandom().RandomFloat() - 0.5f , idRandom::StaticRandom().RandomFloat() - 0.5f );
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groups[i].axis.z *= 40.25f;
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groups[i].axis.Normalize();
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groups[i].rotate = 0.f;
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groups[i].rotateSpeed = idRandom::StaticRandom().RandomFloat() * 50.f + 50.f;
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groups[i].rotationPoint = idVec3( idRandom::StaticRandom().RandomFloat() * extents.x,
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idRandom::StaticRandom().RandomFloat() * extents.y,
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idRandom::StaticRandom().RandomFloat() * extents.z );
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groups[i].alpha = 0.f;
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groups[i].time = idRandom::StaticRandom().RandomFloat() * 1.f + 1.f;
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groups[i].worldPos = v + idVec3( (idRandom::StaticRandom().RandomFloat()-0.5f) * extents.x * 3,
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(idRandom::StaticRandom().RandomFloat()-0.5f) * extents.y * 3,
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(idRandom::StaticRandom().RandomFloat()-0.5f) * extents.z * 3 );
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} else {
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if ( groups[i].time > 0.25f ) {
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groups[i].alpha += 1.f / 7.5f;
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if ( groups[i].alpha > 1.f ) {
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groups[i].alpha = 1.f;
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}
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} else {
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groups[i].alpha = groups[i].time * 4.f;
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if ( groups[i].alpha < 0.f ) {
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groups[i].alpha = 0.f;
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}
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}
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groups[i].worldPos += idVec3( 0.f, 0.f, -600.f ) * 1.f / 30.f;
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groups[i].rotate += groups[i].rotateSpeed * 1.f / 30.f;
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}
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}
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int gridx = idMath::Ftoi( idMath::Floor(v.x / extents.x) );
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int gridy = idMath::Ftoi( idMath::Floor(v.y / extents.y) );
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idBounds bounds;
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bounds.Clear();
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sdInstInfo *inst = re->insts;
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for (int i=0; i<MAX_GROUPS; i++) {
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idRotation r( groups[i].rotationPoint, groups[i].axis, groups[i].rotate );
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idBounds bb2;
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inst->inst.color[0] = 0xff;
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inst->inst.color[1] = 0xff;
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inst->inst.color[2] = 0xff;
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inst->inst.color[3] = 0xff;
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inst->fadeOrigin = inst->inst.origin = groups[i].worldPos;
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inst->inst.axis = r.ToMat3();
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inst->maxVisDist = 0;
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inst->minVisDist = 0.f;
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bb2.FromTransformedBounds( modelbb, inst->inst.origin, inst->inst.axis );
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bounds.AddBounds( bb2 );
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inst++;
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}
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re->flags.overridenBounds = true;
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re->bounds = bounds;
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if ( renderEntityHandle == -1 ) {
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renderEntityHandle = gameRenderWorld->AddEntityDef( re );
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} else {
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gameRenderWorld->UpdateEntityDef( renderEntityHandle, re );
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}
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if ( !effect.GetRenderEffect().declEffect ) return;
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idVec3 viewOrg;
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renderView_t view;
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if ( sdDemoManager::GetInstance().CalculateRenderView( &view ) ) {
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viewOrg = view.vieworg;
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} else {
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// If we are inside don't run the bacground effect
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idPlayer* player = gameLocal.GetLocalViewPlayer();
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if ( player == NULL ) {
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return;
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}
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viewOrg = player->GetRenderView()->vieworg;
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}
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int area = gameRenderWorld->PointInArea( viewOrg );
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bool runEffect = false;
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if ( area >= 0 ) {
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if ( gameRenderWorld->GetAreaPortalFlags( area ) & ( 1 << PORTAL_OUTSIDE ) ) {
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runEffect = true && !g_skipLocalizedPrecipitation.GetBool();
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}
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}
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// Update the background effect
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if ( runEffect ) {
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effect.GetRenderEffect().origin = viewOrg;
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if ( !effectRunning ) {
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effect.Start( gameLocal.time );
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effectRunning = true;
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} else {
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effect.Update();
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}
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} else {
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effect.StopDetach();
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effectRunning = false;
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}
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}
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/*
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==============
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sdSnowPrecipitation::Init
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==============
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*/
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void sdSnowPrecipitation::Init( void ) {
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}
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/*
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==============
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sdSnowPrecipitation::FreeRenderEntity
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==============
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*/
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void sdSnowPrecipitation::FreeRenderEntity( void ) {
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if ( renderEntityHandle != -1 ) {
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gameRenderWorld->FreeEntityDef( renderEntityHandle );
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renderEntityHandle = -1;
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}
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if ( !effect.GetRenderEffect().declEffect ) return;
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effect.FreeRenderEffect();
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}
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