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/* This file is part of the Spring engine (GPL v2 or later), see LICENSE.html */
#include "HeatCloudProjectile.h"
#include "Game/Camera.h"
#include "Rendering/GlobalRendering.h"
#include "Rendering/Env/Particles/ProjectileDrawer.h"
#include "Rendering/GL/RenderDataBuffer.hpp"
#include "Rendering/Textures/TextureAtlas.h"
#include "Sim/Projectiles/ExpGenSpawnableMemberInfo.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)
))
CHeatCloudProjectile::CHeatCloudProjectile()
: 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(
CUnit* owner,
const float3& pos,
const float3& speed,
const float temperature,
const float size
)
: 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);
}
void CHeatCloudProjectile::Update()
{
pos += speed;
heat = std::max(heat - heatFalloff, 0.0f);
deleteMe |= (heat <= 0.0f);
size += sizeGrowth;
sizemod *= sizemodmod;
}
void CHeatCloudProjectile::Draw(GL::RenderDataBufferTC* va) const
{
unsigned char col[4];
const float dheat = std::max(0.0f, heat-globalRendering->timeOffset);
const 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->SafeAppend({drawPos - camera->GetRight() * drawsize - camera->GetUp() * drawsize, texture->xstart, texture->ystart, col});
va->SafeAppend({drawPos + camera->GetRight() * drawsize - camera->GetUp() * drawsize, texture->xend, texture->ystart, col});
va->SafeAppend({drawPos + camera->GetRight() * drawsize + camera->GetUp() * drawsize, texture->xend, texture->yend, col});
va->SafeAppend({drawPos + camera->GetRight() * drawsize + camera->GetUp() * drawsize, texture->xend, texture->yend, col});
va->SafeAppend({drawPos - camera->GetRight() * drawsize + camera->GetUp() * drawsize, texture->xstart, texture->yend, col});
va->SafeAppend({drawPos - camera->GetRight() * drawsize - camera->GetUp() * drawsize, texture->xstart, texture->ystart, col});
}
bool CHeatCloudProjectile::GetMemberInfo(SExpGenSpawnableMemberInfo& memberInfo)
{
if (CProjectile::GetMemberInfo(memberInfo))
return true;
CHECK_MEMBER_INFO_FLOAT (CHeatCloudProjectile, heat )
CHECK_MEMBER_INFO_FLOAT (CHeatCloudProjectile, maxheat )
CHECK_MEMBER_INFO_FLOAT (CHeatCloudProjectile, heatFalloff)
CHECK_MEMBER_INFO_FLOAT (CHeatCloudProjectile, size )
CHECK_MEMBER_INFO_FLOAT (CHeatCloudProjectile, sizeGrowth )
CHECK_MEMBER_INFO_FLOAT (CHeatCloudProjectile, sizemod )
CHECK_MEMBER_INFO_FLOAT (CHeatCloudProjectile, sizemodmod )
CHECK_MEMBER_INFO_PTR (CHeatCloudProjectile, texture, projectileDrawer->textureAtlas->GetTexturePtr)
return false;
}
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