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#include "StdAfx.h"
#include "mmgr.h"
#include "Game/Camera.h"
#include "Sim/Misc/GlobalConstants.h"
#include "Rendering/Env/BaseWater.h"
#include "Rendering/GL/VertexArray.h"
#include "Sim/Misc/Wind.h"
#include "Sim/Projectiles/ProjectileHandler.h"
#include "WakeProjectile.h"
#include "GlobalUnsynced.h"
CR_BIND_DERIVED(CWakeProjectile, CProjectile, (ZeroVector, ZeroVector, 0, 0, NULL, 0, 0, 0));
CR_REG_METADATA(CWakeProjectile,(
CR_MEMBER(alpha),
CR_MEMBER(alphaFalloff),
CR_MEMBER(alphaAdd),
CR_MEMBER(alphaAddTime),
CR_MEMBER(size),
CR_MEMBER(sizeExpansion),
CR_MEMBER(rotation),
CR_MEMBER(rotSpeed),
CR_RESERVED(8)
));
//////////////////////////////////////////////////////////////////////
// Construction/Destruction
//////////////////////////////////////////////////////////////////////
CWakeProjectile::CWakeProjectile(const float3 pos, const float3 speed, float startSize, float sizeExpansion, CUnit* owner, float alpha, float alphaFalloff, float fadeupTime GML_PARG_C):
CProjectile(pos, speed, owner, false, false, false GML_PARG_P),
alpha(0),
alphaFalloff(alphaFalloff),
alphaAdd(alpha / fadeupTime),
alphaAddTime((int)fadeupTime),
size(startSize),
sizeExpansion(sizeExpansion)
{
this->pos.y=0;
this->speed.y=0;
rotation=gu->usRandFloat()*PI*2;
rotSpeed=(gu->usRandFloat()-0.5f)*PI*2*0.01f;
checkCol=false;
if(water->noWakeProjectiles){
alpha=0;
alphaAddTime=0;
size=0;
}
}
CWakeProjectile::~CWakeProjectile()
{
}
void CWakeProjectile::Update()
{
pos+=speed;
rotation+=rotSpeed;
alpha-=alphaFalloff;
size+=sizeExpansion;
drawRadius=size;
if(alphaAddTime!=0){
alpha+=alphaAdd;
--alphaAddTime;
} else if(alpha<0){
alpha=0;
deleteMe=true;
}
}
void CWakeProjectile::Draw()
{
inArray=true;
unsigned char col[4];
col[0]=(unsigned char) (255*alpha);
col[1]=(unsigned char) (255*alpha);
col[2]=(unsigned char) (255*alpha);
col[3]=(unsigned char) (255*alpha)/*-alphaFalloff*gu->timeOffset*/;
float interSize=size+sizeExpansion*gu->timeOffset;
float interRot=rotation+rotSpeed*gu->timeOffset;
float3 dir1=float3(cos(interRot),0,sin(interRot))*interSize;
float3 dir2=dir1.cross(UpVector);
va->AddVertexTC(drawPos+dir1+dir2, ph->waketex.xstart,ph->waketex.ystart,col);
va->AddVertexTC(drawPos+dir1-dir2, ph->waketex.xstart,ph->waketex.yend,col);
va->AddVertexTC(drawPos-dir1-dir2, ph->waketex.xend,ph->waketex.yend,col);
va->AddVertexTC(drawPos-dir1+dir2, ph->waketex.xend,ph->waketex.ystart,col);
}
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