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#include "StdAfx.h"
#include "mmgr.h"
#include "FireProjectile.h"
#include "Sim/Misc/Wind.h"
#include "Rendering/GL/VertexArray.h"
#include "Game/Camera.h"
#include "Sim/Misc/GlobalSynced.h"
#include "Sim/Misc/QuadField.h"
#include "Sim/Features/Feature.h"
#include "ProjectileHandler.h"
#include "Sim/Units/Unit.h"
#include "GlobalUnsynced.h"
#include "creg/STL_List.h"
CR_BIND_DERIVED(CFireProjectile, CProjectile, (float3(0,0,0),float3(0,0,0),NULL,0,0,0,0));
CR_BIND(CFireProjectile::SubParticle, );
CR_REG_METADATA(CFireProjectile,(
CR_SETFLAG(CF_Synced),
CR_MEMBER(ttl),
CR_MEMBER(emitPos),
CR_MEMBER(emitRadius),
CR_MEMBER(particleTime),
CR_MEMBER(particleSize),
CR_MEMBER(ageSpeed),
CR_MEMBER(subParticles2),
CR_MEMBER(subParticles),
CR_RESERVED(16)
));
CR_REG_METADATA_SUB(CFireProjectile, SubParticle, (
CR_MEMBER(pos),
CR_MEMBER(posDif),
CR_MEMBER(age),
CR_MEMBER(maxSize),
CR_MEMBER(rotSpeed),
CR_MEMBER(smokeType),
CR_RESERVED(8)
));
CFireProjectile::CFireProjectile(const float3& pos, const float3& speed, CUnit* owner, int emitTtl, float emitRadius, int particleTtl, float particleSize GML_PARG_C):
//! these are synced, but neither weapon nor piece
//! (only burning features create instances of them)
CProjectile(pos, speed, owner, true, false, false GML_PARG_P),
ttl(emitTtl),
emitPos(pos),
emitRadius(emitRadius),
particleTime(particleTtl),
particleSize(particleSize)
{
drawRadius = emitRadius + particleTime * speed.Length();
checkCol = false;
this->pos.y += particleTime * speed.Length() * 0.5f;
ageSpeed = 1.0f / particleTime;
alwaysVisible = true;
castShadow = true;
}
CFireProjectile::~CFireProjectile(void)
{
}
void CFireProjectile::StopFire(void)
{
ttl=0;
}
void CFireProjectile::Update(void)
{
ttl--;
if(ttl>0){
if(ph->particleSaturation<0.8f || (ph->particleSaturation<1 && (gs->frameNum & 1))){ //this area must be unsynced
SubParticle sub;
sub.age=0;
sub.maxSize=(0.7f+gu->usRandFloat()*0.3f)*particleSize;
sub.posDif=gu->usRandVector()*emitRadius;
sub.pos=emitPos;
sub.pos.y+=sub.posDif.y;
sub.posDif.y=0;
sub.rotSpeed=(gu->usRandFloat()-0.5f)*4;
sub.smokeType=gu->usRandInt()% ph->smoketex.size();
subParticles.push_front(sub);
sub.maxSize=(0.7f+gu->usRandFloat()*0.3f)*particleSize;
sub.posDif=gu->usRandVector()*emitRadius;
sub.pos=emitPos;
sub.pos.y+=sub.posDif.y-radius*0.3f;
sub.posDif.y=0;
sub.rotSpeed=(gu->usRandFloat()-0.5f)*4;
subParticles2.push_front(sub);
}
if(!(ttl&31)){ //this area must be synced
std::vector<CFeature*> f=qf->GetFeaturesExact(emitPos+wind.GetCurrentWind()*0.7f,emitRadius*2);
for(std::vector<CFeature*>::iterator fi=f.begin();fi!=f.end();++fi){
if(gs->randFloat()>0.8f)
(*fi)->StartFire();
}
std::vector<CUnit*> units=qf->GetUnitsExact(emitPos+wind.GetCurrentWind()*0.7f,emitRadius*2);
for(std::vector<CUnit*>::iterator ui=units.begin();ui!=units.end();++ui){
(*ui)->DoDamage(DamageArray()*30,0,ZeroVector);
}
}
}
for(SUBPARTICLE_LIST::iterator pi=subParticles.begin();pi!=subParticles.end();++pi){
pi->age+=ageSpeed;
if(pi->age>1){
subParticles.pop_back();
break;
}
pi->pos+=speed + wind.GetCurrentWind()*pi->age*0.05f + pi->posDif*0.1f;
pi->posDif*=0.9f;
}
for(SUBPARTICLE_LIST::iterator pi=subParticles2.begin();pi!=subParticles2.end();++pi){
pi->age+=ageSpeed*1.5f;
if(pi->age>1){
subParticles2.pop_back();
break;
}
pi->pos+=speed*0.7f+pi->posDif*0.1f;
pi->posDif*=0.9f;
}
if(subParticles.empty() && ttl<=0)
deleteMe=true;
}
void CFireProjectile::Draw(void)
{
inArray=true;
unsigned char col[4];
col[3]=1;
unsigned char col2[4];
size_t sz2 = subParticles2.size();
size_t sz = subParticles.size();
va->EnlargeArrays(sz2 * 4 + sz * 8, 0, VA_SIZE_TC);
#if defined(USE_GML) && GML_ENABLE_SIM
size_t temp = 0;
for(SUBPARTICLE_LIST::iterator pi = subParticles2.begin(); temp < sz2; ++pi, ++temp) {
#else
for(SUBPARTICLE_LIST::iterator pi = subParticles2.begin(); pi != subParticles2.end(); ++pi) {
#endif
float age=pi->age+ageSpeed*gu->timeOffset;
float size=pi->maxSize*(age);
float rot=pi->rotSpeed*age;
float sinRot=fastmath::sin(rot);
float cosRot=fastmath::cos(rot);
float3 dir1=(camera->right*cosRot+camera->up*sinRot)*size;
float3 dir2=(camera->right*sinRot-camera->up*cosRot)*size;
float3 interPos=pi->pos;
col[0]=(unsigned char)((1-age)*255);
col[1]=(unsigned char)((1-age)*255);
col[2]=(unsigned char)((1-age)*255);
va->AddVertexQTC(interPos-dir1-dir2,ph->explotex.xstart,ph->explotex.ystart,col);
va->AddVertexQTC(interPos+dir1-dir2,ph->explotex.xend ,ph->explotex.ystart,col);
va->AddVertexQTC(interPos+dir1+dir2,ph->explotex.xend ,ph->explotex.yend ,col);
va->AddVertexQTC(interPos-dir1+dir2,ph->explotex.xstart,ph->explotex.yend ,col);
}
#if defined(USE_GML) && GML_ENABLE_SIM
temp = 0;
for(SUBPARTICLE_LIST::iterator pi = subParticles.begin(); temp < sz; ++pi, ++temp) {
int smokeType = *(volatile int *)&pi->smokeType;
if(smokeType < 0 || smokeType >= ph->smoketex.size())
continue;
AtlasedTexture *at = &ph->smoketex[smokeType];
#else
for(SUBPARTICLE_LIST::iterator pi = subParticles.begin(); pi != subParticles.end(); ++pi) {
AtlasedTexture *at = &ph->smoketex[pi->smokeType];
#endif
float age=pi->age+ageSpeed*gu->timeOffset;
float size=pi->maxSize*fastmath::apxsqrt(age);
float rot=pi->rotSpeed*age;
float sinRot=fastmath::sin(rot);
float cosRot=fastmath::cos(rot);
float3 dir1=(camera->right*cosRot+camera->up*sinRot)*size;
float3 dir2=(camera->right*sinRot-camera->up*cosRot)*size;
float3 interPos=pi->pos;
if(age < 1/1.31f){
col[0]=(unsigned char)((1-age*1.3f)*255);
col[1]=(unsigned char)((1-age*1.3f)*255);
col[2]=(unsigned char)((1-age*1.3f)*255);
col[3]=1;
va->AddVertexQTC(interPos-dir1-dir2,ph->explotex.xstart,ph->explotex.ystart,col);
va->AddVertexQTC(interPos+dir1-dir2,ph->explotex.xend ,ph->explotex.ystart,col);
va->AddVertexQTC(interPos+dir1+dir2,ph->explotex.xend ,ph->explotex.yend ,col);
va->AddVertexQTC(interPos-dir1+dir2,ph->explotex.xstart,ph->explotex.yend ,col);
}
unsigned char c;
if(age<0.5f){
c=(unsigned char)(age*510);
} else {
c=(unsigned char)(510-age*510);
}
col2[0]=(unsigned char)(c*0.6f);
col2[1]=(unsigned char)(c*0.6f);
col2[2]=(unsigned char)(c*0.6f);
col2[3]=c;
va->AddVertexQTC(interPos-dir1-dir2,at->xstart,at->ystart,col2);
va->AddVertexQTC(interPos+dir1-dir2,at->xend,at->ystart,col2);
va->AddVertexQTC(interPos+dir1+dir2,at->xend,at->yend,col2);
va->AddVertexQTC(interPos-dir1+dir2,at->xstart,at->yend,col2);
}
}
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