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//Chrisoft Bullet Lab Remix HGE
//Background drawing Implementations
//"Copyleft" Chrisoft 2013
const char* BACKGROUND_H_FN="background.h";
double deltaBG;
//********************************************
//Full-screen Leaves Background
//********************************************
class BG_Leaves
{
private:
DWORD alpha,alim;
bool onfadein,onfadeout;
int fadebreak;
hgeSprite* BGSpr[6][6];
HTEXTURE LeafTex;
void DoFadeIn()
{
if (LOWFPS)fadebreak+=17;else ++fadebreak;
if (fadebreak>17)fadebreak=0;else return;
if (LOWFPS)if(alpha+0x20<=alim)alpha+=0x20;else{}
else if (alpha+0x2<=alim)alpha+=2;
if (alpha>=alim)onfadein=false;
}
void DoFadeOut()
{
if (LOWFPS)fadebreak+=17;else ++fadebreak;
if (fadebreak>30)fadebreak=0;else return;
if (LOWFPS)
if (alpha<0x20)alpha=0;else alpha-=0x20;
else
if (alpha<0x2)alpha=0;else alpha-=0x2;
if (!alpha)onfadeout=0;
}
public:
bool IsActive()
{
return alpha?true:false;
}
void Init(DWORD limalpha)
{
LeafTex=hge->Texture_Load("./Resources/b_leaves.png");
for (int i=0;i<6;++i)
for (int j=0;j<6;++j)
{
BGSpr[i][j]=new hgeSprite(LeafTex,0,0,200,150);
BGSpr[i][j]->SetColor(0x00CCCCCC);
}
onfadein=onfadeout=false;alpha=0x00;alim=limalpha;fadebreak=0;
}
void SetFadeIn()
{
alpha=0x01;
onfadein=true;
}
void SetFadeOut()
{
alpha=alim;
onfadeout=true;
}
void Update()
{
double tx,ty,dt;
DWORD tcol;
if (onfadein)DoFadeIn();
if (onfadeout)DoFadeOut();
dt=hge->Timer_GetDelta();
deltaBG+=dt;
tx=200*cosf(deltaBG/10);
ty=150*sinf(deltaBG/10);
for (int i=-1;i<5;++i)
for (int j=-1;j<5;++j)
BGSpr[i+1][j+1]->SetColor(ARGB(alpha,0xCC,0xCC,0xCC)),
BGSpr[i+1][j+1]->Render(i*199.0f+tx,j*149.0f+ty);
}
};
BG_Leaves Leaves;
//********************************************
//Animated Leaves Background
//********************************************
HTEXTURE TLeaf;
HTEXTURE TSflake;
class Leaf_Anim;
Leaf_Anim *Head,*Tail;
bool LE_Active;
double lescale;
HTEXTURE letex;TextureRect letr;
DWORD lecolor;
class Leaf_Anim
{
private:
hgeSprite* Leaf;
double Rotation,DRotate;
double x,y,dx,dy;
int lim;
~Leaf_Anim(){}
public:
Leaf_Anim *Last,*Next;
void init(int _lim)
{
//Leaf=new hgeSprite(letex,0,0,108,108);
Leaf=new hgeSprite(letex,letr.x,letr.y,letr.w,letr.h);
Leaf->SetColor(lecolor);
x=rand()%908-108;
y=-108;
lim=_lim;
dx=rand()%200/100.0f-1.0f;
dx*=0.075;
dy=rand()%200/100.0f+0.5f;
dy*=0.075;
Rotation=0;
DRotate=rand()%100/10000.0f;
DRotate*=0.1;
Next=NULL;
}
void Delete()
{
if (this==Head)Head=this->Next;
if (this==Tail)Tail=this->Last;
if (this->Next)
this->Next->Last=this->Last;
if (this->Last)
this->Last->Next=this->Next;
delete this->Leaf;
delete this;//Not sure this will work?..--Answer: This worked...
}
void Update()
{
if (!this||!Leaf)return;
int times=1;if (LOWFPS)times=17;
for (int i=1;i<=times;++i)
{
Rotation+=DRotate;
x+=dx;y+=dy;
}
if (x>908||x<-108||y>708)return Delete();
if (!Leaf)return;
Leaf->RenderEx(x,y,Rotation,lescale);
}
void Process()
{
int times=1;
if(LOWFPS) times=17;
for (int i=1;i<=times;++i)
if (rand()%1000>lim&&LE_Active)
{
Tail->Next=new Leaf_Anim();
Tail->Next->init(990);
Tail->Next->Last=Tail;
Tail=Tail->Next;
}
Leaf_Anim *cur=Head;
while (cur)cur->Update(),cur=cur->Next;
}
};
//********************************************
//3D-Clouds Background
//********************************************
class TDClouds
{
private:
hgeQuad CQuad;
double DTime;
int alpha,lima;
bool onFadein,onFadeout;
void DoFadein()
{
int times=1;
if (LOWFPS)times=17;
for (int i=1;i<=times;++i)if (alpha<lima)++alpha;
}
void DoFadeout()
{
int times=1;
if (LOWFPS)times=17;
for (int i=1;i<=times;++i)if (alpha>0)--alpha;
}
public:
void Init(int _lima)
{
DTime=0.0f;
CQuad.tex=hge->Texture_Load("sky.png");
CQuad.blend=BLEND_ALPHABLEND;
alpha=0;lima=_lima;
onFadein=onFadeout=false;
for (int i=0;i<4;++i)
CQuad.v[i].col=0x00FFFFFF;
CQuad.v[0].x=0,CQuad.v[0].y=300;
CQuad.v[1].x=800,CQuad.v[1].y=300;
CQuad.v[2].x=1000,CQuad.v[2].y=600;
CQuad.v[3].x=-200,CQuad.v[3].y=600;
CQuad.v[0].tx=0,CQuad.v[0].ty=0;
CQuad.v[0].tx=0.5,CQuad.v[0].ty=0;
CQuad.v[0].tx=0.5,CQuad.v[0].ty=0.5;
CQuad.v[0].tx=0,CQuad.v[0].ty=0.5;
}
void SetFadein()
{
onFadein=true;
onFadeout=false;
alpha=0;
}
void SetFadeout()
{
onFadeout=true;
onFadein=false;
alpha=lima;
}
void Update()
{
if (onFadein)DoFadein();
if (onFadeout)DoFadeout();
for (int i=0;i<4;++i)
CQuad.v[i].col=ARGB(alpha,0xFF,0xFF,0xFF);
DTime+=0.1*hge->Timer_GetDelta();
CQuad.v[0].tx=cos(DTime),CQuad.v[0].ty=sin(DTime);
CQuad.v[1].tx=CQuad.v[0].tx+0.5f;CQuad.v[1].ty=CQuad.v[0].ty;
CQuad.v[2].tx=CQuad.v[0].tx+0.5f;CQuad.v[2].ty=CQuad.v[0].ty+0.5f;
CQuad.v[3].tx=CQuad.v[0].tx;CQuad.v[3].ty=CQuad.v[0].ty+0.5f;
hge->Gfx_RenderQuad(&CQuad);
}
};
TDClouds Sky;
DWORD ColorTransfer(DWORD a,DWORD t)
{
int r=GETR(a),g=GETG(a),b=GETB(a);
int tr=GETR(t),tg=GETG(t),tb=GETB(t);
if (r<tr)++r;if (r>tr)--r;
if (g<tg)++g;if (g>tg)--g;
if (b<tb)++b;if (b>tb)--b;
a=SETR(a,r);a=SETG(a,g);a=SETB(a,b);
}
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