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#include "StdAfx.h"
#include "mmgr.h"
#include "RepulseGfx.h"
#include "Sim/Units/Unit.h"
#include "Rendering/GL/myGL.h"
#include "Rendering/GL/VertexArray.h"
#include "Sim/Projectiles/ProjectileHandler.h"
#include "GlobalUnsynced.h"
CR_BIND_DERIVED(CRepulseGfx, CProjectile, (NULL,NULL,0,float3(0,0,0)));
CR_REG_METADATA(CRepulseGfx,(
CR_MEMBER(repulsed),
CR_MEMBER(sqMaxDist),
CR_MEMBER(age),
CR_MEMBER(color),
CR_MEMBER(difs),
CR_RESERVED(8)
));
CRepulseGfx::CRepulseGfx(CUnit* owner, CProjectile* repulsed, float maxDist, float3 color GML_PARG_C):
CProjectile(repulsed? repulsed->pos: ZeroVector, repulsed? repulsed->speed: ZeroVector, owner, false, false, false GML_PARG_P),
repulsed(repulsed),
sqMaxDist((maxDist * maxDist) + 100),
age(0),
color(color)
{
if (repulsed)
AddDeathDependence(repulsed);
checkCol = false;
useAirLos = true;
SetRadius(maxDist);
for (int y = 0; y < 5; ++y) {
float yp = (y / 4.0f - 0.5f);
for (int x = 0; x < 5; ++x) {
float xp = (x / 4.0f - 0.5f);
float d = 0;
if (xp != 0 || yp != 0)
d = fastmath::apxsqrt2(xp * xp + yp * yp);
difs[y * 5 + x] = (1 - fastmath::cos(d * 2)) * 20;
}
}
}
CRepulseGfx::~CRepulseGfx(void)
{
}
void CRepulseGfx::DependentDied(CObject* o)
{
if(o==repulsed){
repulsed=0;
deleteMe=true;
}
}
void CRepulseGfx::Draw(void)
{
CUnit* owner = CProjectile::owner();
if(!owner || !repulsed)
return;
float3 dir=repulsed->pos-owner->pos;
dir.SafeANormalize();
pos=repulsed->pos-dir*10+repulsed->speed*gu->timeOffset;
float3 dir1=dir.cross(UpVector);
dir1.SafeANormalize();
float3 dir2=dir1.cross(dir);
inArray=true;
unsigned char col[4];
float alpha=std::min(255,age*10);
col[0]=(unsigned char)(color.x*alpha);
col[1]=(unsigned char)(color.y*alpha);
col[2]=(unsigned char)(color.z*alpha);
col[3]=(unsigned char)(alpha*0.2f);
float drawsize=10;
AtlasedTexture& et=ph->repulsetex;
float txo=et.xstart;
float tyo=et.ystart;
float txs=et.xend-et.xstart;
float tys=et.yend-et.ystart;
const int loopCountY = 4;
const int loopCountX = 4;
va->EnlargeArrays(loopCountY * loopCountX * 4 + 16, 0, VA_SIZE_TC);
for(int y = 0; y < loopCountY; ++y) { //! CAUTION: loop count must match EnlargeArrays above
float dy = y - 2;
float ry = y * 0.25f;
for(int x = 0; x < loopCountX; ++x){
float dx = x - 2;
float rx = x * 0.25f;
va->AddVertexQTC(pos+dir1*drawsize*(dx+0)+dir2*drawsize*(dy+0)+dir*difs[y*5+x] ,txo+ry*txs ,tyo+(rx)*tys ,col);
va->AddVertexQTC(pos+dir1*drawsize*(dx+0)+dir2*drawsize*(dy+1)+dir*difs[(y+1)*5+x] ,txo+(ry+0.25f)*txs ,tyo+(rx)*tys ,col);
va->AddVertexQTC(pos+dir1*drawsize*(dx+1)+dir2*drawsize*(dy+1)+dir*difs[(y+1)*5+x+1],txo+(ry+0.25f)*txs ,tyo+(rx+0.25f)*tys,col);
va->AddVertexQTC(pos+dir1*drawsize*(dx+1)+dir2*drawsize*(dy+0)+dir*difs[y*5+x+1] ,txo+ry*txs ,tyo+(rx+0.25f)*tys,col);
}
}
drawsize=7;
alpha=std::min(10,age/2);
col[0]=(unsigned char)(color.x*alpha);
col[1]=(unsigned char)(color.y*alpha);
col[2]=(unsigned char)(color.z*alpha);
col[3]=(unsigned char)(alpha*0.4f);
AtlasedTexture& ct=ph->repulsegfxtex;
float tx=(ct.xend+ct.xstart)*0.5f;
float ty=(ct.yend+ct.ystart)*0.5f;
unsigned char col2[4];
col2[0]=0;
col2[1]=0;
col2[2]=0;
col2[3]=0;
va->AddVertexQTC(owner->pos+(-dir1+dir2)*drawsize*0.2f,tx,ty,col2);
va->AddVertexQTC(owner->pos+(dir1+dir2)*drawsize*0.2f,tx,ty,col2);
va->AddVertexQTC(pos+dir1*drawsize+dir2*drawsize+dir*difs[6],tx,ty,col);
va->AddVertexQTC(pos-dir1*drawsize+dir2*drawsize+dir*difs[6],tx,ty,col);
va->AddVertexQTC(owner->pos+(-dir1-dir2)*drawsize*0.2f,tx,ty,col2);
va->AddVertexQTC(owner->pos+(dir1-dir2)*drawsize*0.2f,tx,ty,col2);
va->AddVertexQTC(pos+dir1*drawsize-dir2*drawsize+dir*difs[6],tx,ty,col);
va->AddVertexQTC(pos-dir1*drawsize-dir2*drawsize+dir*difs[6],tx,ty,col);
va->AddVertexQTC(owner->pos+(dir1-dir2)*drawsize*0.2f,tx,ty,col2);
va->AddVertexQTC(owner->pos+(dir1+dir2)*drawsize*0.2f,tx,ty,col2);
va->AddVertexQTC(pos+dir1*drawsize+dir2*drawsize+dir*difs[6],tx,ty,col);
va->AddVertexQTC(pos+dir1*drawsize-dir2*drawsize+dir*difs[6],tx,ty,col);
va->AddVertexQTC(owner->pos+(-dir1-dir2)*drawsize*0.2f,tx,ty,col2);
va->AddVertexQTC(owner->pos+(-dir1+dir2)*drawsize*0.2f,tx,ty,col2);
va->AddVertexQTC(pos-dir1*drawsize+dir2*drawsize+dir*difs[6],tx,ty,col);
va->AddVertexQTC(pos-dir1*drawsize-dir2*drawsize+dir*difs[6],tx,ty,col);
}
void CRepulseGfx::Update(void)
{
age++;
if(repulsed && owner() && (repulsed->pos-owner()->pos).SqLength()>sqMaxDist)
deleteMe=true;
}
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