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#include <World.h>
#include <cstdio>
World::World(void){
line=NULL;
lineCount=entCount=0;
toLeft=toRight=behind=infront=NULL;
}
World::World(const float width,World *l,World *r){
unsigned int i;
double f;
lineCount=width/HLINE+11;
if((line=(struct line_t *)calloc(lineCount,sizeof(struct line_t)))==NULL){
std::cout<<"Failed to allocate memory!"<<std::endl;
abort();
}
toLeft=l;
toRight=r;
behind=infront=NULL;
entCount=0;
if(toLeft){
if(toLeft->toRight){
std::cout<<"There's already a world to the left!"<<std::endl;
abort();
}else{
toLeft->toRight=this;
}
}
if(toRight){
if(toRight->toLeft){
std::cout<<"There's already a world to the right!"<<std::endl;
abort();
}else{
toRight->toLeft=this;
}
}
line[0].start=(grand()%100)/100.0f-0.8f; // lazy
if(line[0].start>-0.5f)line[0].start=-0.7f;
for(i=10;i<lineCount;i+=10){
line[i].start=((double)((grand()%50)+400))/1000.0f-1;
}
for(i=0;i<lineCount;i++){
if(!(i%10)||!i){
f=line[i+10].start-line[i].start;
f/=10.0f;
}else{
line[i].start=line[i-1].start+f;
}
}
}
static float drawOffsetX=0,
drawOffsetY=0;
void World::draw(void){
unsigned int i;
float x,y,hline=HLINE;
static World *root,*cur;
root=cur=this;
LOOP:
if(cur->behind){
drawOffsetX+=(cur->getWidth()-cur->behind->getWidth())/2;
drawOffsetY+=.3;
hline/=2;
cur=cur->behind;
goto LOOP;
//behind->draw();
}
LOOP2:
glBegin(GL_QUADS);
for(i=0;i<cur->lineCount-10;i++){
x=(hline*i)-1+drawOffsetX;
y=cur->line[i].start+drawOffsetY;
glColor3ub(0,200,0);
glVertex2f(x ,y);
glVertex2f(x+hline,y);
y-=hline*2;
glVertex2f(x+hline,y);
glVertex2f(x ,y);
glColor3ub(150,100,50);
glVertex2f(x ,y);
glVertex2f(x+hline,y);
glVertex2f(x+hline,-1);
glVertex2f(x ,-1);
}
glEnd();
if(root!=cur){
cur=cur->infront;
drawOffsetX-=(cur->getWidth()-cur->behind->getWidth())/2;
drawOffsetY-=.3;
hline*=2;
goto LOOP2;
}else{
drawOffsetX=drawOffsetY=0;
for(i=0;i<entCount;i++){
((Entity **)entity)[i]->draw();
}
}
}
void World::detect(vec2 *v,const float width){
unsigned int i;
// hey
// oh hai
for(i=0;i<lineCount-10;i++){
if(v->y<line[i].start){
if(v->x>(HLINE*i)-1&&v->x<(HLINE*i)-1+HLINE){
v->y=line[i].start;
return;
}else if(v->x+width>(HLINE*i)-1&&v->x+width<(HLINE*i)-1+HLINE){
v->y=line[i].start;
return;
}
}else if(v->y>line[i].start+HLINE/4){
v->y-=HLINE/8;
}
}
}
float World::getWidth(void){
return (lineCount-11)*HLINE;
}
void World::saveToFile(FILE *f,World *parent){
fwrite(&lineCount,sizeof(unsigned int) ,1 ,f);
fwrite(&line ,sizeof(struct line_t),lineCount,f);
if(toLeft!=NULL&&toLeft!=parent->toLeft){
toLeft->saveToFile(f,toLeft);
}
if(toRight!=NULL&&toRight!=parent->toRight){
toRight->saveToFile(f,toRight);
}
}
void World::loadFromFile(FILE *f,World *parent){
fread(&lineCount,sizeof(unsigned int) ,1 ,f);
line=(struct line_t *)malloc(lineCount*sizeof(struct line_t *));
fread(&line ,sizeof(struct line_t),lineCount,f);
if(toLeft!=NULL&&toLeft!=parent->toLeft){
toLeft->loadFromFile(f,toLeft);
}
std::cout<<toRight<<" "<<parent->toRight<<std::endl;
if(toRight!=NULL&&toRight!=parent->toRight){
puts("A");
toRight->loadFromFile(f,toRight);
}
}
void World::addLayer(const float width){
if(behind){
behind->addLayer(width);
}else{
behind=new World(width,NULL,NULL);
behind->infront=this;
}
}
void World::addEntity(void *e){
entity[entCount++]=e;
}
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