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/* This file is part of the Spring engine (GPL v2 or later), see LICENSE.html */
#include "System/mmgr.h"
#include "TracerProjectile.h"
#include "Rendering/GL/myGL.h"
CR_BIND_DERIVED(CTracerProjectile, CProjectile, )
CR_REG_METADATA(CTracerProjectile,
(
CR_MEMBER(speedf),
CR_MEMBER(drawLength),
CR_MEMBER(dir),
CR_MEMBER_BEGINFLAG(CM_Config),
CR_MEMBER(length),
CR_MEMBER_ENDFLAG(CM_Config),
CR_RESERVED(8)
));
//////////////////////////////////////////////////////////////////////
// Construction/Destruction
//////////////////////////////////////////////////////////////////////
CTracerProjectile::CTracerProjectile(const float3& pos, const float3& speed, const float range, CUnit* owner):
CProjectile(pos, speed, owner, false, false, false)
, length(range)
, drawLength(0.0f)
{
SetRadiusAndHeight(1.0f, 0.0f);
checkCol = false;
speedf = this->speed.Length();
dir = this->speed / speedf;
}
CTracerProjectile::CTracerProjectile()
: speedf(0.0f)
, length(0.0f)
, drawLength(0.0f)
, dir(ZeroVector)
{
checkCol = false;
}
void CTracerProjectile::Init(const float3& pos, CUnit* owner)
{
speedf = this->speed.Length();
if (speedf == 0.0f) {
speed = float3(1.0f, 0.0f, 0.0f);
}
dir = this->speed / speedf;
CProjectile::Init(pos, owner);
}
CTracerProjectile::~CTracerProjectile()
{
}
void CTracerProjectile::Update()
{
pos += speed;
drawLength += speedf;
length -= speedf;
if (length < 0) {
deleteMe = true;
}
}
void CTracerProjectile::Draw()
{
if (drawLength > 3) {
drawLength = 3;
}
glTexCoord2f(1.0f/16, 1.0f/16);
glColor4f(1, 1, 0.1f, 0.4f);
glBegin(GL_LINES);
glVertexf3(drawPos);
glVertexf3(drawPos-dir * drawLength);
glEnd();
glColor4f(1, 1, 1, 1);
glTexCoord2f(0, 0);
}
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