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#include <UIClass.h>
#include <ft2build.h>
#include FT_FREETYPE_H
extern Player player;
extern World *currentWorld;
static FT_Library ftl;
static FT_Face ftf;
static GLuint ftex;
void UIClass::init(const char *ttf){
if(FT_Init_FreeType(&ftl)){
std::cout<<"Error! Couldn't initialize freetype."<<std::endl;
abort();
}
if(FT_New_Face(ftl,ttf,0,&ftf)){
std::cout<<"Error! Couldn't open "<<ttf<<"."<<std::endl;
abort();
}
}
void UIClass::setFontSize(unsigned int fs){
fontSize=fs;
FT_Set_Pixel_Sizes(ftf,0,fontSize);
}
void UIClass::putString(const float x,const float y,const char *s){
unsigned int i=0,j;
float xo=x,yo=y,w,h;
char *buf;
do{
FT_Load_Char(ftf,s[i],FT_LOAD_RENDER);
glGenTextures(1,&ftex);
glBindTexture(GL_TEXTURE_2D,ftex);
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
buf=(char *)malloc(ftf->glyph->bitmap.width*ftf->glyph->bitmap.rows*4);
for(j=0;j<ftf->glyph->bitmap.width*ftf->glyph->bitmap.rows;j++){
buf[j*4]=255;
buf[j*4+1]=255;
buf[j*4+2]=255;
buf[j*4+3]=ftf->glyph->bitmap.buffer[j]?255:0;
}
glTexImage2D(GL_TEXTURE_2D,0,GL_RGBA,ftf->glyph->bitmap.width,ftf->glyph->bitmap.rows,0,GL_RGBA,GL_UNSIGNED_BYTE,buf);
w=ftf->glyph->bitmap.width*(2.0/SCREEN_WIDTH);
h=ftf->glyph->bitmap.rows *(2.0/SCREEN_HEIGHT);
glEnable(GL_TEXTURE_2D);
glBindTexture(GL_TEXTURE_2D,ftex);
glBegin(GL_QUADS);
glColor3ub(255,255,255);
glTexCoord2f(0,1);glVertex2f(xo,yo);
glTexCoord2f(1,1);glVertex2f(xo+w,yo);
glTexCoord2f(1,0);glVertex2f(xo+w,yo+h);
glTexCoord2f(0,0);glVertex2f(xo,yo+h);
glEnd();
glDisable(GL_TEXTURE_2D);
xo+=w+(fontSize*.0001);
free(buf);
}while(s[i++]);
}
void UIClass::putText(const float x,const float y,const char *str,...){
va_list args;
char *buf;
buf=(char *)calloc(128,sizeof(char));
va_start(args,str);
vsnprintf(buf,128,str,args);
va_end(args);
putString(x,y,buf);
free(buf);
}
void UIClass::handleEvents(){
static bool space=false;
float thing;
SDL_Event e;
while(SDL_PollEvent(&e)){
switch(e.type){
case SDL_WINDOWEVENT:
switch(e.window.event){
case SDL_WINDOWEVENT_CLOSE:
gameRunning = false;
break;
}
case SDL_KEYDOWN:
if(e.key.keysym.sym == SDLK_d) player.right = true;
if(e.key.keysym.sym == SDLK_a) player.left = true;
if(e.key.keysym.sym == SDLK_LSHIFT) player.speed = 3;
if(e.key.keysym.sym == SDLK_SPACE){
if(!space&&player.vel.y<=0){
space=true;
player.loc.y += HLINE*1.2;
player.vel.y += .004;
}
}
if(e.key.keysym.sym == SDLK_i){
if(currentWorld->behind){
thing=(currentWorld->getWidth()-currentWorld->behind->getWidth())/2;
if(player.loc.x>thing-1&&
player.loc.x<thing-1+currentWorld->behind->getWidth()){
player.loc.x-=thing;
memset(&player.vel,0,sizeof(vec2));
currentWorld=currentWorld->behind;
}
}
}
if(e.key.keysym.sym == SDLK_k){
if(currentWorld->infront){
player.loc.x+=(currentWorld->infront->getWidth()-currentWorld->getWidth())/2;
memset(&player.vel,0,sizeof(vec2));
currentWorld=currentWorld->infront;
}
}
break;
case SDL_KEYUP:
if(e.key.keysym.sym == SDLK_d) player.right = false;
if(e.key.keysym.sym == SDLK_a) player.left = false;
if(e.key.keysym.sym == SDLK_LSHIFT) player.speed = 1.0;
if(e.key.keysym.sym == SDLK_SPACE)
if(player.vel.y<=.001)space=false;
if(e.key.keysym.sym == SDLK_ESCAPE) gameRunning = false;
break;
}
}
}
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