static FT_Library ftl;
static FT_Face ftf;
-static GLuint ftex;
+static GLuint ftex[93];
+static vec2 ftexwh[93];
+static vec2 ftexbl[93];
+static vec2 ftexad[93];
static unsigned char fontColor[3] = {255,255,255};
static char *dialogBoxText = NULL;
static char *dialogOptText[4];
-static int dialogOptLoc[4][3];
+static float dialogOptLoc[4][3];
static unsigned char dialogOptCount = 0;
/*
std::cout<<"Error! Couldn't initialize freetype."<<std::endl;
abort();
}
- fontSize=12;
+ fontSize=0;
+ memset(&ftex,0,93*sizeof(GLuint));
#ifdef DEBUG
DEBUG_printf("Initialized FreeType2.\n",NULL);
#endif // DEBUG
*/
void setFontSize(unsigned int size){
+ unsigned int i,j;
+ char *buf;
+
fontSize=size;
FT_Set_Pixel_Sizes(ftf,0,fontSize);
+
+ /*
+ * Pre-render 'all' the characters.
+ */
+
+ glDeleteTextures(93,ftex); // Delete any already-rendered textures
+ glGenTextures(93,ftex); // Generate new texture name/locations?
+
+ for(i=33;i<126;i++){
+
+ /*
+ * Load the character from the font family file.
+ */
+
+ if(FT_Load_Char(ftf,i,FT_LOAD_RENDER)){
+ std::cout<<"Error! Unsupported character "<<(char)i<<" ("<<i<<")."<<std::endl;
+ abort();
+ }
+
+ /*
+ * Transfer the character's bitmap (?) to a texture for rendering.
+ */
+
+ glBindTexture(GL_TEXTURE_2D,ftex[i-33]);
+ 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);
+
+ /*
+ * The just-created texture will render red-on-black if we don't do anything to it, so
+ * here we create a buffer 4 times the size and transform the texture into an RGBA array,
+ * making it white-on-black.
+ */
+
+ 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 ]=fontColor[0];
+ buf[j*4+1]=fontColor[1];
+ buf[j*4+2]=fontColor[2];
+ buf[j*4+3]=ftf->glyph->bitmap.buffer[j];
+ }
+
+ ftexwh[i-33].x=ftf->glyph->bitmap.width;
+ ftexwh[i-33].y=ftf->glyph->bitmap.rows;
+ ftexbl[i-33].x=ftf->glyph->bitmap_left;
+ ftexbl[i-33].y=ftf->glyph->bitmap_top;
+ ftexad[i-33].x=ftf->glyph->advance.x>>6;
+ ftexad[i-33].y=ftf->glyph->advance.y>>6;
+
+ glTexImage2D(GL_TEXTURE_2D,0,GL_RGBA,ftf->glyph->bitmap.width,ftf->glyph->bitmap.rows,0,GL_RGBA,GL_UNSIGNED_BYTE,buf);
+
+ free(buf);
+ }
}
/*
* Draws a character at the specified coordinates, aborting if the character is unknown.
*/
- float putChar(float x,float y,char c){
- unsigned int i;
- char *buf;
- float w,h;
-
- /*
- * Load the character from the font family library.
- */
-
- if(FT_Load_Char(ftf,c,FT_LOAD_RENDER)){
- std::cout<<"Error! Unsupported character "<<c<<" ("<<(int)c<<")."<<std::endl;
- abort();
- }
-
- /*
- * Load the character into a texture for rendering.
- */
-
- //glActiveTexture(GL_TEXTURE0);
- 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);
-
- /*
- * The just-created texture will render red-on-black if we don't do anything to it, so
- * here we create a buffer 4 times the size and transform the texture into an RGBA array,
- * making it white-on-black.
- */
-
- buf=(char *)malloc(ftf->glyph->bitmap.width*ftf->glyph->bitmap.rows*4);
-
- for(i=0;i<ftf->glyph->bitmap.width*ftf->glyph->bitmap.rows;i++){
- buf[i*4 ]=fontColor[0];
- buf[i*4+1]=fontColor[1];
- buf[i*4+2]=fontColor[2];
- buf[i*4+3]=ftf->glyph->bitmap.buffer[i]?255:0;
- }
-
- glTexImage2D(GL_TEXTURE_2D,0,GL_RGBA,ftf->glyph->bitmap.width,ftf->glyph->bitmap.rows,0,GL_RGBA,GL_UNSIGNED_BYTE,buf);
+ vec2 putChar(float x,float y,char c){
+ vec2 c1,c2;
/*
* Get the width and height of the rendered character.
*/
- w=ftf->glyph->bitmap.width;
- h=ftf->glyph->bitmap.rows;
+ c1={x+ftexbl[c-33].x,
+ y+ftexbl[c-33].y};
+ c2=ftexwh[c-33];
/*
* Draw the character:
*/
glEnable(GL_TEXTURE_2D);
- glBindTexture(GL_TEXTURE_2D,ftex);
-
- switch(c){ // We're bad, so in here we adjust the y of
- case '^': // some letters so that they look like they
- case '*': // fit.
- case '`':
- case '\'':
- case '\"':
- case '-':y+=fontSize/3;break;
- case '~':
- case '<':
- case '>':
- case '+':
- case '=':y+=fontSize/5;break;
- case 'g':
- case 'q':
- case 'y':
- case 'p':
- case 'j':y-=fontSize/4;break;
- case 'Q':y-=fontSize/5;break;
- default:break;
- }
-
+ glBindTexture(GL_TEXTURE_2D,ftex[c-33]);
+ glPushMatrix();
+ glTranslatef(0,-c2.y,0);
glBegin(GL_QUADS);
- glColor3ub(255,255,255);
- glTexCoord2f(0,1);glVertex2f(x,y);
- glTexCoord2f(1,1);glVertex2f(x+w,y);
- glTexCoord2f(1,0);glVertex2f(x+w,y+h);
- glTexCoord2f(0,0);glVertex2f(x,y+h);
+ glColor3ub(fontColor[0],fontColor[1],fontColor[2]);
+ glTexCoord2f(0,1);glVertex2f(c1.x ,c1.y );
+ glTexCoord2f(1,1);glVertex2f(c1.x+c2.x,c1.y );
+ glTexCoord2f(1,0);glVertex2f(c1.x+c2.x,c1.y+c2.y);
+ glTexCoord2f(0,0);glVertex2f(c1.x ,c1.y+c2.y);
glEnd();
-
+ glPopMatrix();
glDisable(GL_TEXTURE_2D);
/*
- * Free resources, and return the width.
+ * return the width.
*/
- free(buf);
- glDeleteTextures(1,&ftex);
-
- return w;
+ return ftexad[c-33];//(vec2){c2.x,ftexad[c-33].y};
}
/*
float putString(const float x,const float y,const char *s){
unsigned int i=0,j;
- float xo=x,yo=y,pw=0;
+ float xo=x,yo=y;
+ vec2 add;
/*
* Loop on each character:
}else if(s[i]==' '){ // Handle spaces
xo+=fontSize/2;
}else if(s[i]=='\b'){ // Handle backspaces?
- xo-=pw;
+ xo-=add.x;
}else{
- pw=putChar(xo,yo,s[i])+fontSize*.1;
- xo+=pw;
+ add=putChar(xo,yo,s[i]);
+ xo+=add.x;
+ yo+=add.y;
}
}while(s[++i]);
return xo; // i.e. the string width
}
+ float putStringCentered(const float x,const float y,const char *s){
+ unsigned int i = 0;
+ float width = 0, prev = 0;
+
+ do{
+ if(s[i]=='\n'){ // Handle newlines
+ // TODO
+ }else if(s[i]==' '){ // Handle spaces
+ width+=fontSize/2;
+ }else if(s[i]=='\b'){ // Handle backspaces?
+ // Why?
+ }else{
+ width+=ftexwh[i].x+fontSize*.1;
+ }
+ }while(s[++i]);
+
+ return putString(x-width/2,y,s);
+ }
+
/*
* Draw a string in a typewriter-esque fashion. Each letter is rendered as calls are made
* to this function. Passing a different string to the function will reset the counters.
rtext=typeOut(dialogBoxText);
- setFontSize(16);
putString(x+HLINE,y-fontSize-HLINE,rtext);
for(i=0;i<dialogOptCount;i++){
mouse.y < dialogOptLoc[i][1] + 16 ){ // fontSize
setFontColor(255,255,0);
}else setFontColor(255,255,255);
- dialogOptLoc[i][0]=x+HLINE;
dialogOptLoc[i][1]=y-SCREEN_HEIGHT/4+(fontSize+HLINE)*(i+1);
dialogOptLoc[i][2]=
-
- putString(x+HLINE,y-SCREEN_HEIGHT/4+(fontSize+HLINE)*(i+1),dialogOptText[i]);
+ putStringCentered(player->loc.x,dialogOptLoc[i][1],dialogOptText[i]);
+ dialogOptLoc[i][0]=player->loc.x-dialogOptLoc[i][2]/2;
}
setFontColor(255,255,255);
}
- setFontSize(14);
putText(((SCREEN_WIDTH/2)+offset.x)-125,(offset.y+SCREEN_HEIGHT/2)-fontSize,"Health: %u/%u",player->health>0?(unsigned)player->health:0,
-
(unsigned)player->maxHealth);
if(player->alive){
glColor3ub(255,0,0);
((SCREEN_WIDTH/2+offset.x)-125)+((player->health/player->maxHealth)*100),
(offset.y+SCREEN_HEIGHT/2)-32+12);
}
-
- /*
- * Lists all of the quests the player has
- */
- putText(((SCREEN_WIDTH/2)+offset.x)-125,(offset.y+SCREEN_HEIGHT/2)-fontSize*4, "Current Quests:",NULL);
-
- for(auto &c : player->qh.current){
- putText(((SCREEN_WIDTH/2)+offset.x)-125,(offset.y+SCREEN_HEIGHT/2)-fontSize*5, "%s",c->title);
- }
-
}
void handleEvents(void){
unsigned char i;
projects / clyne / gamedev.git / commitdiff