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/* This file is part of the Spring engine (GPL v2 or later), see LICENSE.html */
#include "System/mmgr.h"
#include "BubbleProjectile.h"
#include "Game/Camera.h"
#include "Rendering/GlobalRendering.h"
#include "Rendering/ProjectileDrawer.h"
#include "Rendering/GL/VertexArray.h"
#include "Rendering/Textures/TextureAtlas.h"
#include "Sim/Projectiles/ProjectileHandler.h"
CR_BIND_DERIVED(CBubbleProjectile, CProjectile, (ZeroVector, ZeroVector, 0.0f, 0.0f, 0.0f, NULL, 0.0f));
CR_REG_METADATA(CBubbleProjectile, (
CR_MEMBER(ttl),
CR_MEMBER(alpha),
CR_MEMBER(size),
CR_MEMBER(startSize),
CR_MEMBER(sizeExpansion),
CR_RESERVED(8)
));
CBubbleProjectile::CBubbleProjectile(float3 pos, float3 speed, float ttl, float startSize, float sizeExpansion, CUnit* owner, float alpha):
CProjectile(pos, speed, owner, false, false, false),
ttl((int) ttl),
alpha(alpha),
size(startSize * 0.4f),
startSize(startSize),
sizeExpansion(sizeExpansion)
{
checkCol = false;
}
CBubbleProjectile::~CBubbleProjectile()
{
}
void CBubbleProjectile::Update()
{
pos += speed;
--ttl;
size += sizeExpansion;
if (size < startSize) {
size += (startSize - size) * 0.2f;
}
drawRadius=size;
if (pos.y > (-size * 0.7f)) {
pos.y = -size * 0.7f;
alpha -= 0.03f;
}
if (ttl < 0) {
alpha -= 0.03f;
}
if (alpha < 0) {
alpha = 0;
deleteMe = true;
}
}
void CBubbleProjectile::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);
const float interSize = size + sizeExpansion * globalRendering->timeOffset;
#define bt projectileDrawer->bubbletex
va->AddVertexTC(drawPos - camera->right * interSize - camera->up * interSize, bt->xstart, bt->ystart, col);
va->AddVertexTC(drawPos + camera->right * interSize - camera->up * interSize, bt->xend, bt->ystart, col);
va->AddVertexTC(drawPos + camera->right * interSize + camera->up * interSize, bt->xend, bt->yend, col);
va->AddVertexTC(drawPos - camera->right * interSize + camera->up * interSize, bt->xstart, bt->yend, col);
#undef bt
}
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