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#include "StdAfx.h"
#include "mmgr.h"
#include "creg/STL_Deque.h"
#include "FireBallProjectile.h"
#include "Game/Camera.h"
#include "Map/Ground.h"
#include "Rendering/GL/VertexArray.h"
#include "Sim/Projectiles/ProjectileHandler.h"
#include "Sim/Weapons/WeaponDef.h"
#include "GlobalUnsynced.h"
CR_BIND_DERIVED(CFireBallProjectile, CWeaponProjectile, (float3(0,0,0),float3(0,0,0),NULL,NULL,float3(0,0,0),NULL));
CR_BIND(CFireBallProjectile::Spark, );
CR_REG_METADATA(CFireBallProjectile,(
CR_SETFLAG(CF_Synced),
CR_MEMBER(sparks),
CR_RESERVED(8)
));
CR_REG_METADATA_SUB(CFireBallProjectile,Spark,(
CR_MEMBER(pos),
CR_MEMBER(speed),
CR_MEMBER(size),
CR_MEMBER(ttl),
CR_RESERVED(8)
));
CFireBallProjectile::CFireBallProjectile(const float3& pos, const float3& speed,
CUnit* owner, CUnit* target, const float3 &targetPos, const WeaponDef* weaponDef GML_PARG_C)
: CWeaponProjectile(pos, speed, owner, target, targetPos, weaponDef, 0, 1 GML_PARG_P)
{
if (weaponDef) {
SetRadius(weaponDef->collisionSize);
drawRadius=weaponDef->size;
}
if (cegTag.size() > 0) {
ceg.Load(explGenHandler, cegTag);
}
}
CFireBallProjectile::~CFireBallProjectile(void)
{
}
void CFireBallProjectile::Draw()
{
inArray=true;
unsigned char col[4] = {255,150, 100, 1};
float3 interPos = checkCol ? drawPos : pos;
float size = radius*1.3f;
int numSparks=sparks.size();
int numFire=std::min(10,numSparks);
va->EnlargeArrays((numSparks+numFire)*4,0,VA_SIZE_TC);
for(int i=0; i<numSparks; i++) //! CAUTION: loop count must match EnlargeArrays above
{
col[0]=(numSparks-i)*12;
col[1]=(numSparks-i)*6;
col[2]=(numSparks-i)*4;
va->AddVertexQTC(sparks[i].pos-camera->right*sparks[i].size-camera->up*sparks[i].size,ph->explotex.xstart,ph->explotex.ystart,col);
va->AddVertexQTC(sparks[i].pos+camera->right*sparks[i].size-camera->up*sparks[i].size,ph->explotex.xend ,ph->explotex.ystart,col);
va->AddVertexQTC(sparks[i].pos+camera->right*sparks[i].size+camera->up*sparks[i].size,ph->explotex.xend ,ph->explotex.yend ,col);
va->AddVertexQTC(sparks[i].pos-camera->right*sparks[i].size+camera->up*sparks[i].size,ph->explotex.xstart,ph->explotex.yend ,col);
}
int maxCol=numFire;
if (checkCol)
maxCol = 10;
for (int i = 0; i < numFire; i++) //! CAUTION: loop count must match EnlargeArrays above
{
col[0] = (maxCol - i) * 25;
col[1] = (maxCol - i) * 15;
col[2] = (maxCol - i) * 10;
va->AddVertexQTC(interPos - camera->right * size - camera->up * size, ph->dguntex.xstart, ph->dguntex.ystart, col);
va->AddVertexQTC(interPos + camera->right * size - camera->up * size, ph->dguntex.xend , ph->dguntex.ystart, col);
va->AddVertexQTC(interPos + camera->right * size + camera->up * size, ph->dguntex.xend , ph->dguntex.yend, col);
va->AddVertexQTC(interPos -camera->right * size + camera->up * size, ph->dguntex.xstart, ph->dguntex.yend, col);
interPos = interPos - speed * 0.5f;
}
}
void CFireBallProjectile::Update()
{
if (checkCol) {
pos += speed;
if (weaponDef->gravityAffected)
speed.y += mygravity;
if (weaponDef->noExplode) {
if (TraveledRange())
checkCol = false;
}
EmitSpark();
}
else {
if (sparks.size() == 0)
deleteMe = true;
}
for (unsigned int i = 0; i < sparks.size(); i++) {
sparks[i].ttl--;
if (sparks[i].ttl == 0) {
sparks.pop_back();
break;
}
if (checkCol)
sparks[i].pos += sparks[i].speed;
sparks[i].speed *= 0.95f;
}
if (cegTag.size() > 0) {
ceg.Explosion(pos, ttl, (sparks.size() > 0)? sparks[0].size: 0.0f, 0x0, 0.0f, 0x0, speed);
}
UpdateGroundBounce();
}
void CFireBallProjectile::EmitSpark()
{
Spark spark;
const float x = (rand() / (float) RAND_MAX) - 0.5f;
const float y = (rand() / (float) RAND_MAX) - 0.5f;
const float z = (rand() / (float) RAND_MAX) - 0.5f;
spark.speed = (speed * 0.95f) + float3(x, y, z);
spark.pos = pos - speed * (rand() / (float) RAND_MAX + 3) + spark.speed * 3;
spark.size = 5.0f;
spark.ttl = 15;
sparks.push_front(spark);
}
void CFireBallProjectile::Collision()
{
if (weaponDef->waterweapon && ground->GetHeight2(pos.x, pos.z) < pos.y) {
// make waterweapons not explode in water
return;
}
CWeaponProjectile::Collision();
deleteMe = false;
}
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