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// SmokeProjectile.cpp: implementation of the CSmokeProjectile2 class.
//
//////////////////////////////////////////////////////////////////////
#include "StdAfx.h"
#include "mmgr.h"
#include "SmokeProjectile2.h"
#include "Game/Camera.h"
#include "Map/Ground.h"
#include "Rendering/GL/VertexArray.h"
#include "Sim/Misc/Wind.h"
#include "Sim/Projectiles/ProjectileHandler.h"
#include "GlobalUnsynced.h"
CR_BIND_DERIVED(CSmokeProjectile2, CProjectile, );
CR_REG_METADATA(CSmokeProjectile2,
(
CR_MEMBER_BEGINFLAG(CM_Config),
CR_MEMBER(color),
CR_MEMBER(ageSpeed),
CR_MEMBER(size),
CR_MEMBER(startSize),
CR_MEMBER(sizeExpansion),
CR_MEMBER(wantedPos),
CR_MEMBER(glowFalloff),
CR_MEMBER_ENDFLAG(CM_Config),
CR_MEMBER(age),
CR_MEMBER(textureNum),
CR_RESERVED(8)
));
//////////////////////////////////////////////////////////////////////
// Construction/Destruction
//////////////////////////////////////////////////////////////////////
CSmokeProjectile2::CSmokeProjectile2():
CProjectile(),
color(0.5f),
age(0.0f),
ageSpeed(1.0f),
size(0.0f),
startSize(0.0f),
sizeExpansion(0.0f),
textureNum(0),
glowFalloff(0.0f)
{
deleteMe = false;
checkCol = false;
}
void CSmokeProjectile2::Init(const float3& pos, CUnit* owner GML_PARG_C)
{
textureNum = (int) (gu->usRandInt() % ph->smoketex.size());
if (pos.y - ground->GetApproximateHeight(pos.x, pos.z) > 10)
useAirLos = true;
if (!owner)
alwaysVisible = true;
wantedPos += pos;
CProjectile::Init(pos, owner GML_PARG_P);
}
CSmokeProjectile2::CSmokeProjectile2(float3 pos,float3 wantedPos,float3 speed,float ttl,float startSize,float sizeExpansion, CUnit* owner, float color GML_PARG_C)
: CProjectile(pos,speed,owner, false, false, false GML_PARG_P),
color(color),
age(0),
size(0),
startSize(startSize),
sizeExpansion(sizeExpansion),
wantedPos(wantedPos)
{
ageSpeed=1/ttl;
checkCol=false;
castShadow=true;
if(pos.y-ground->GetApproximateHeight(pos.x,pos.z)>10)
useAirLos=true;
glowFalloff=4.5f+gu->usRandFloat()*6;
textureNum=(int)(gu->usRandInt() % ph->smoketex.size());
}
CSmokeProjectile2::~CSmokeProjectile2()
{
}
void CSmokeProjectile2::Update()
{
wantedPos+=speed;
wantedPos += wind.GetCurrentWind()*age*0.05f;
pos.x+=(wantedPos.x-pos.x)*0.07f;
pos.y+=(wantedPos.y-pos.y)*0.02f;
pos.z+=(wantedPos.z-pos.z)*0.07f;
age+=ageSpeed;
size+=sizeExpansion;
if(size<startSize)
size+=(startSize-size)*0.2f;
SetRadius(size);
if(age>1){
age=1;
deleteMe=true;
}
}
void CSmokeProjectile2::Draw()
{
inArray=true;
float interAge=std::min(1.0f,age+ageSpeed*gu->timeOffset);
unsigned char col[4];
unsigned char alpha;
if(interAge<0.05f)
alpha=(unsigned char)(interAge*19*127);
else
alpha=(unsigned char)((1-interAge)*127);
float rglow=std::max(0.f,(1-interAge*glowFalloff)*127);
float gglow=std::max(0.f,(1-interAge*glowFalloff*2.5f)*127);
col[0]=(unsigned char)(color*alpha+rglow);
col[1]=(unsigned char)(color*alpha+gglow);
col[2]=(unsigned char)std::max(0.f,color*alpha-gglow*0.5f);
col[3]=alpha/*-alphaFalloff*gu->timeOffset*/;
//int frame=textureNum;
//float xmod=0.125f+(float(int(frame%6)))/16.0f;
//float ymod=(int(frame/6))/16.0f;
//int smokenum = frame%12;
float3 interPos=pos+(wantedPos+speed*gu->timeOffset-pos)*0.1f*gu->timeOffset;
const float interSize=size+sizeExpansion*gu->timeOffset;
const float3 pos1 ((camera->right - camera->up) * interSize);
const float3 pos2 ((camera->right + camera->up) * interSize);
va->AddVertexTC(interPos-pos2,ph->smoketex[textureNum].xstart,ph->smoketex[textureNum].ystart,col);
va->AddVertexTC(interPos+pos1,ph->smoketex[textureNum].xend,ph->smoketex[textureNum].ystart,col);
va->AddVertexTC(interPos+pos2,ph->smoketex[textureNum].xend,ph->smoketex[textureNum].yend,col);
va->AddVertexTC(interPos-pos1,ph->smoketex[textureNum].xstart,ph->smoketex[textureNum].yend,col);
}
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