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#include "StdAfx.h"
// DirtProjectile.cpp: implementation of the CDirtCloudProjectile class.
//
//////////////////////////////////////////////////////////////////////
#include "mmgr.h"
#include "DirtProjectile.h"
#include "Game/Camera.h"
#include "Map/Ground.h"
#include "Rendering/GL/VertexArray.h"
#include "Sim/Projectiles/ProjectileHandler.h"
#include "GlobalUnsynced.h"
CR_BIND_DERIVED(CDirtProjectile, CProjectile, );
CR_REG_METADATA(CDirtProjectile,
(
CR_MEMBER_BEGINFLAG(CM_Config),
CR_MEMBER(alpha),
CR_MEMBER(alphaFalloff),
CR_MEMBER(size),
CR_MEMBER(sizeExpansion),
CR_MEMBER(slowdown),
CR_MEMBER(color),
CR_MEMBER(texture),
CR_MEMBER_ENDFLAG(CM_Config),
CR_RESERVED(8)
));
//////////////////////////////////////////////////////////////////////
// Construction/Destruction
//////////////////////////////////////////////////////////////////////
CDirtProjectile::CDirtProjectile(const float3 pos, const float3 speed, const float ttl, const float size, const float expansion, float slowdown, CUnit* owner, const float3& color GML_PARG_C):
CProjectile(pos, speed, owner, false, false, false GML_PARG_P),
alpha(255),
size(size),
sizeExpansion(expansion),
slowdown(slowdown),
color(color)
{
checkCol = false;
alphaFalloff = 255 / ttl;
texture = &ph->randdotstex;
}
CDirtProjectile::CDirtProjectile() :
CProjectile(),
alpha(255.0f),
alphaFalloff(10.0f),
size(10.0f),
sizeExpansion(0.0f),
slowdown(1.0f)
{
checkCol = false;
texture = &ph->randdotstex;
}
CDirtProjectile::~CDirtProjectile()
{}
void CDirtProjectile::Update()
{
speed *= slowdown;
speed.y += mygravity;
pos += speed;
alpha -= alphaFalloff;
size += sizeExpansion;
if (ground->GetApproximateHeight(pos.x, pos.z) - 40 > pos.y) {
deleteMe = true;
}
if (alpha <= 0) {
deleteMe = true;
alpha = 0;
}
}
void CDirtProjectile::Draw()
{
float partAbove=(pos.y/(size*camera->up.y));
if(partAbove<-1)
return;
else if(partAbove>1)
partAbove=1;
inArray=true;
unsigned char col[4];
col[0]=(unsigned char) (color.x*alpha);
col[1]=(unsigned char) (color.y*alpha);
col[2]=(unsigned char) (color.z*alpha);
col[3]=(unsigned char) (alpha)/*-gu->timeOffset*alphaFalloff*/;
float interSize=size+gu->timeOffset*sizeExpansion;
float texx = texture->xstart + (texture->xend-texture->xstart)*((1-partAbove)*0.5f);//0.25f*(1-partAbove)
va->AddVertexTC(drawPos-camera->right*interSize-camera->up*interSize*partAbove,texx,texture->ystart,col);
va->AddVertexTC(drawPos+camera->right*interSize-camera->up*interSize*partAbove,texx,texture->yend,col);
va->AddVertexTC(drawPos+camera->right*interSize+camera->up*interSize,texture->xend,texture->yend,col);
va->AddVertexTC(drawPos-camera->right*interSize+camera->up*interSize,texture->xend,texture->ystart,col);
}
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