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/* This file is part of the Spring engine (GPL v2 or later), see LICENSE.html */
#include "System/mmgr.h"
#include "Game/Camera.h"
#include "HeatCloudProjectile.h"
#include "Rendering/GlobalRendering.h"
#include "Rendering/ProjectileDrawer.h"
#include "Rendering/GL/VertexArray.h"
#include "Rendering/Textures/TextureAtlas.h"
CR_BIND_DERIVED(CHeatCloudProjectile, CProjectile, );
CR_REG_METADATA(CHeatCloudProjectile,
(
CR_MEMBER_BEGINFLAG(CM_Config),
CR_MEMBER(heat),
CR_MEMBER(maxheat),
CR_MEMBER(heatFalloff),
CR_MEMBER(size),
CR_MEMBER(sizeGrowth),
CR_MEMBER(sizemod),
CR_MEMBER(sizemodmod),
CR_MEMBER(texture),
CR_MEMBER_ENDFLAG(CM_Config),
CR_RESERVED(8)
));
//////////////////////////////////////////////////////////////////////
// Construction/Destruction
//////////////////////////////////////////////////////////////////////
CHeatCloudProjectile::CHeatCloudProjectile()
: CProjectile()
, heat(0.0f)
, maxheat(0.0f)
, heatFalloff(0.0f)
, size(0.0f)
, sizeGrowth(0.0f)
, sizemod(0.0f)
, sizemodmod(0.0f)
{
checkCol = false;
useAirLos = true;
texture = projectileDrawer->heatcloudtex;
}
CHeatCloudProjectile::CHeatCloudProjectile(const float3& pos, const float3& speed, const float temperature, const float size, CUnit* owner)
: CProjectile(pos, speed, owner, false, false, false)
, heat(temperature)
, maxheat(temperature)
, heatFalloff(1.0f)
, size(0.0f)
, sizemod(0.0f)
, sizemodmod(0.0f)
{
sizeGrowth = size / temperature;
checkCol = false;
useAirLos = true;
texture = projectileDrawer->heatcloudtex;
SetRadiusAndHeight(size + sizeGrowth * heat / heatFalloff, 0.0f);
}
CHeatCloudProjectile::~CHeatCloudProjectile()
{
}
void CHeatCloudProjectile::Update()
{
pos += speed;
heat -= heatFalloff;
if (heat <= 0) {
deleteMe = true;
heat = 0;
}
size += sizeGrowth;
sizemod *= sizemodmod;
}
void CHeatCloudProjectile::Draw()
{
inArray = true;
unsigned char col[4];
float dheat = heat-globalRendering->timeOffset;
if (dheat < 0) {
dheat = 0;
}
float alpha = (dheat / maxheat) * 255.0f;
col[0] = (unsigned char) alpha;
col[1] = (unsigned char) alpha;
col[2] = (unsigned char) alpha;
col[3] = 1;//(dheat/maxheat)*255.0f;
const float drawsize = (size + sizeGrowth * globalRendering->timeOffset) * (1.0f - sizemod);
va->AddVertexTC(drawPos - camera->right * drawsize - camera->up * drawsize, texture->xstart, texture->ystart, col);
va->AddVertexTC(drawPos + camera->right * drawsize - camera->up * drawsize, texture->xend, texture->ystart, col);
va->AddVertexTC(drawPos + camera->right * drawsize + camera->up * drawsize, texture->xend, texture->yend, col);
va->AddVertexTC(drawPos - camera->right * drawsize + camera->up * drawsize, texture->xstart, texture->yend, col);
}
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