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/* This file is part of the Spring engine (GPL v2 or later), see LICENSE.html */
#include "Game/Camera.h"
#include "GeoSquareProjectile.h"
#include "Rendering/ProjectileDrawer.h"
#include "Rendering/GL/VertexArray.h"
#include "Rendering/Textures/TextureAtlas.h"
CR_BIND_DERIVED(CGeoSquareProjectile, CProjectile, (ZeroVector, ZeroVector, ZeroVector, ZeroVector, 0, 0))
CR_REG_METADATA(CGeoSquareProjectile,(
CR_MEMBER(p1),
CR_MEMBER(p2),
CR_MEMBER(v1),
CR_MEMBER(v2),
CR_MEMBER(w1),
CR_MEMBER(w2),
CR_MEMBER(r),
CR_MEMBER(g),
CR_MEMBER(b),
CR_MEMBER(a),
CR_RESERVED(8)
))
CGeoSquareProjectile::CGeoSquareProjectile(const float3& p1, const float3& p2, const float3& v1, const float3& v2, float w1, float w2)
: CProjectile((p1 + p2) * 0.5f, ZeroVector, NULL, false, false, false),
p1(p1),
p2(p2),
v1(v1),
v2(v2),
w1(w1),
w2(w2),
r(0.5f),
g(1.0f),
b(0.5f),
a(0.5f)
{
checkCol = false;
alwaysVisible = true;
SetRadiusAndHeight(p1.distance(p2) * 0.55f, 0.0f);
}
CGeoSquareProjectile::~CGeoSquareProjectile()
{
}
void CGeoSquareProjectile::Draw()
{
inArray = true;
unsigned char col[4];
col[0] = (unsigned char) (r * a * 255);
col[1] = (unsigned char) (g * a * 255);
col[2] = (unsigned char) (b * a * 255);
col[3] = (unsigned char) ( a * 255);
float3 dif(p1 - camera->GetPos());
dif.ANormalize();
float3 dir1(dif.cross(v1));
dir1.ANormalize();
float3 dif2(p2 - camera->GetPos());
dif2.ANormalize();
float3 dir2(dif2.cross(v2));
dir2.ANormalize();
const float u = (projectileDrawer->geosquaretex->xstart + projectileDrawer->geosquaretex->xend) / 2;
const float v0 = projectileDrawer->geosquaretex->ystart;
const float v1 = projectileDrawer->geosquaretex->yend;
if (w2 != 0) {
va->AddVertexTC(p1 - dir1 * w1, u, v1, col);
va->AddVertexTC(p1 + dir1 * w1, u, v0, col);
va->AddVertexTC(p2 + dir2 * w2, u, v0, col);
va->AddVertexTC(p2 - dir2 * w2, u, v1, col);
} else {
va->AddVertexTC(p1 - dir1 * w1, u, v1, col);
va->AddVertexTC(p1 + dir1 * w1, u, v0, col);
va->AddVertexTC(p2, u, v0 + (v1 - v0) * 0.5f, col);
va->AddVertexTC(p2, u, v0 + (v1 - v0) * 1.5f, col);
}
}
void CGeoSquareProjectile::Update()
{
}
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