573 lines
18 KiB
C++
573 lines
18 KiB
C++
// rendertext.cpp: font rendering
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#include "cube.h"
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int VIRTW;
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bool ignoreblinkingbit = false; // for remote-n-temp override of '\fb'
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static hashtable<const char *, font> fonts;
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static font *fontdef = NULL;
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font *curfont = NULL;
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VARP(allowblinkingtext, 0, 0, 1); // if you're so inclined
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void newfont(char *name, char *tex, int *defaultw, int *defaulth, int *offsetx, int *offsety, int *offsetw, int *offseth)
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{
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if(*defaulth < 10) return; // (becomes FONTH)
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font *f = fonts.access(name);
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if(!f)
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{
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name = newstring(name);
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f = &fonts[name];
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f->name = name;
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}
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f->tex = textureload(tex);
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f->chars.shrink(0);
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f->defaultw = *defaultw;
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f->defaulth = *defaulth;
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f->offsetx = *offsetx;
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f->offsety = *offsety;
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f->offsetw = *offsetw;
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f->offseth = *offseth;
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f->skip = 33;
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fontdef = f;
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}
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COMMANDN(font, newfont, "ssiiiiii");
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void fontchar(int *x, int *y, int *w, int *h)
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{
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if(!fontdef) return;
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font::charinfo &c = fontdef->chars.add();
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c.x = *x;
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c.y = *y;
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c.w = *w ? *w : fontdef->defaultw;
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c.h = *h ? *h : fontdef->defaulth;
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}
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COMMAND(fontchar, "iiii");
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void fontskip(int *n)
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{
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if(!fontdef) return;
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fontdef->skip = *n;
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}
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COMMAND(fontskip, "i");
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bool setfont(const char *name)
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{
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font *f = fonts.access(name);
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if(!f) return false;
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curfont = f;
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return true;
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}
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COMMAND(setfont, "s");
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COMMANDF(curfont, "", () { result(curfont && curfont->name ? curfont->name : ""); });
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font *getfont(const char *name)
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{
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return fonts.access(name);
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}
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static vector<font *> fontstack;
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void pushfont(const char *name)
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{
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fontstack.add(curfont);
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setfont(name);
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}
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void popfont()
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{
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if(!fontstack.empty()) curfont = fontstack.pop();
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}
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int text_width(const char *str)
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{
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int width, height;
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text_bounds(str, width, height);
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return width;
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}
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void draw_textf(const char *fstr, int left, int top, ...)
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{
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defvformatstring(str, top, fstr);
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draw_text(str, left, top);
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}
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int draw_char_contd(font &f, font::charinfo &info, int charcode, int x, int y)
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{
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float tc_left = (info.x + f.offsetx) / float(f.tex->xs);
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float tc_top = (info.y + f.offsety) / float(f.tex->ys);
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float tc_right = (info.x + info.w + f.offsetw) / float(f.tex->xs);
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float tc_bottom = (info.y + info.h + f.offseth) / float(f.tex->ys);
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glTexCoord2f(tc_left, tc_top ); glVertex2f(x, y);
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glTexCoord2f(tc_right, tc_top ); glVertex2f(x + info.w, y);
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glTexCoord2f(tc_right, tc_bottom); glVertex2f(x + info.w, y + info.h);
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glTexCoord2f(tc_left, tc_bottom); glVertex2f(x, y + info.h);
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xtraverts += 4;
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return info.w;
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}
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static int draw_char(int c, int x, int y)
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{
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if(curfont->chars.inrange(c-curfont->skip))
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{
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font::charinfo &info = curfont->chars[c-curfont->skip];
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return draw_char_contd(*curfont, info, c, x, y);
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}
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return 0;
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}
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vector<threeint> igraphbatch;
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void queue_igraph(int c, int x, int y)
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{
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threeint v = { c, x, y };
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igraphbatch.add(v);
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}
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VARP(igraphsize, 80, 120, 300);
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VARP(igraphsizehardcoded, 80, 106, 160);
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VARP(igraphanimate, 0, 1, 1);
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void render_igraphs()
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{
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igraphbatch.sort(cmpintasc);
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int last = 0, w[2] = { (FONTH * igraphsize) / 100, (FONTH * igraphsizehardcoded) / 100 }, offs[2] = { (FONTH - w[0]) / 2, (FONTH - w[1]) / 2 }, ishc = 0;
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igraph *ig = NULL;
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glColor4ub(255, 255, 255, 255);
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loopv(igraphbatch)
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{
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if(last != igraphbatch[i].key) ig = getusedigraph((last = igraphbatch[i].key)), ishc = last > 0 && last < 10 ? 1 : 0;
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if(ig && ig->tex)
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{
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int &x = igraphbatch[i].val1, &y = igraphbatch[i].val2, fpos = ((totalmillis + x * x + VIRTW * y) % ig->frames.last() + ig->frames.last()) % ig->frames.last(), frame = 0;
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float fw = min(1.0f, float(ig->tex->ys) / ig->tex->xs);
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if(igraphanimate) loopvj(ig->frames) if(ig->frames[j] < fpos) frame++;
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quad(ig->tex->id, x + offs[ishc], y + offs[ishc], w[ishc], (frame % max(1, ig->tex->xs / ig->tex->ys)) * fw, 0, fw, 1);
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}
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}
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}
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//stack[sp] is current color index
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static void text_color(char c, char *stack, int size, int &sp, bvec color, int a)
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{
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if(c=='s') // save color
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{
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c = stack[sp];
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if(sp<size-1) stack[++sp] = c;
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}
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else
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{
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if(c=='r') c = stack[(sp > 0) ? --sp : sp]; // restore color
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else if(c == 'b') { if(allowblinkingtext && !ignoreblinkingbit) stack[sp] *= -1; } // blinking text - only if allowed
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else stack[sp] = c;
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switch(iabs(stack[sp]))
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{
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case '0': color = bvec( 2, 255, 128 ); break; // green: player talk
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case '1': color = bvec( 96, 160, 255 ); break; // blue: team chat
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case '2': color = bvec( 255, 192, 64 ); break; // yellow: gameplay action messages, only actions done by players - 230 230 20 too bright
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case '3': color = bvec( 255, 64, 64 ); break; // red: important errors and notes
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case '4': color = bvec( 128, 128, 128 ); break; // gray
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case '5': color = bvec( 255, 255, 255 ); break; // white
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case '6': color = bvec( 96, 48, 0 ); break; // dark brown
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case '7': color = bvec( 153, 51, 51 ); break; // dark red: dead admin
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case '8': color = bvec( 192, 64, 192 ); break; // magenta
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case '9': color = bvec( 255, 102, 0 ); break; // orange
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case 'A':color = bvec( 0xff, 0xb7, 0xb7); break; // red set
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case 'B':color = bvec( 0xCC, 0x33, 0x33); break; //
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case 'C':color = bvec( 0x66, 0x33, 0x33); break; //
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case 'D':color = bvec( 0xF8, 0x98, 0x4E); break; //
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case 'E':color = bvec( 0xFF, 0xFF, 0xB7); break; // yellow set
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case 'F':color = bvec( 0xCC, 0xCC, 0x33); break; //
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case 'G':color = bvec( 0x66, 0x66, 0x33); break; //
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case 'H':color = bvec( 0xCC, 0xFC, 0x58); break; //
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case 'I':color = bvec( 0xB7, 0xFF, 0xB7); break; // green set
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case 'J':color = bvec( 0x33, 0xCC, 0x33); break; //
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case 'K':color = bvec( 0x33, 0x66, 0x33); break; //
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case 'L':color = bvec( 0x3F, 0xFF, 0x98); break; //
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case 'M':color = bvec( 0xB7, 0xFF, 0xFF); break; // cyan set
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case 'N':color = bvec( 0x33, 0xCC, 0xCC); break; //
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case 'O':color = bvec( 0x33, 0x66, 0x66); break; //
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case 'P':color = bvec( 0x4F, 0xCC, 0xF8); break; //
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case 'Q':color = bvec( 0xB7, 0xB7, 0xFF); break; // blue set
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case 'R':color = bvec( 0x33, 0x33, 0xCC); break; //
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case 'S':color = bvec( 0x33, 0x33, 0x66); break; //
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case 'T':color = bvec( 0xA0, 0x49, 0xFF); break; //
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case 'U':color = bvec( 0xFF, 0xB7, 0xFF); break; // magenta set
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case 'V':color = bvec( 0xCC, 0x33, 0xCC); break; //
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case 'W':color = bvec( 0x66, 0x33, 0x66); break; //
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case 'X':color = bvec( 0xFF, 0x01, 0xD5); break; //
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case 'Y':color = bvec( 0xC7, 0xD1, 0xE2); break; // lt gray
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case 'Z':color = bvec( 0x32, 0x32, 0x32); break; // dark gray
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case 'u': color = bvec(120, 240, 120); break; // stats: green
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case 'v': color = bvec(120, 120, 240); break; // stats: blue
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case 'w': color = bvec(230, 230, 110); break; // stats: yellow
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case 'x': color = bvec(250, 100, 100); break; // stats: red
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}
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int b = (int) (sinf(lastmillis / 200.0f) * 115.0f);
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b = stack[sp] > 0 ? 100 : min(iabs(b), 100);
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glColor4ub(color.x, color.y, color.z, (a * b) / 100);
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}
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}
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static vector<int> *columns = NULL;
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void text_startcolumns()
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{
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if(!columns) columns = new vector<int>;
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}
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void text_endcolumns()
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{
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DELETEP(columns);
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}
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#define TABALIGN(x) ((((x)+PIXELTAB)/PIXELTAB)*PIXELTAB)
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#define TEXTGETCOLUMN \
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if(columns && col<columns->length()) \
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{ \
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colx += (*columns)[col++]; \
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x = colx; \
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} \
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else x = TABALIGN(x);
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#define TEXTSETCOLUMN \
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if(columns) \
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{ \
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while(col>=columns->length()) columns->add(0); \
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int w = TABALIGN(x) - colx; \
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w = max(w, (*columns)[col]); \
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(*columns)[col] = w; \
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col++; \
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colx += w; \
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x = colx; \
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} \
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else x = TABALIGN(x);
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#define TEXTSKELETON \
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int y = 0, x = 0, col = 0, colx = 0;\
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int i;\
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for(i = 0; str[i]; i++)\
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{\
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TEXTINDEX(i)\
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int c = str[i];\
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if(c=='\t') { TEXTTAB(i); TEXTWHITE(i) }\
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else if(c==' ') { x += curfont->defaultw; TEXTWHITE(i) }\
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else if(c=='\n') { TEXTLINE(i) x = 0; y += FONTH; }\
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else if(c=='\f') { if(str[i+1]) { i++; TEXTCOLOR(i) }}\
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else if(c=='\1') { if(str[i+1]) { i++; TEXTIGRAPH(i) }}\
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else if(c=='\a') { if(str[i+1]) { i++; }}\
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else if(curfont->chars.inrange(c-curfont->skip))\
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{\
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if(maxwidth != -1)\
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{\
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int j = i;\
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int w = curfont->chars[c-curfont->skip].w;\
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for(; str[i+1]; i++)\
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{\
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int c = str[i+1];\
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bool isig = c == '\1';\
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if(c=='\f') { if(str[i+2]) i++; continue; }\
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if(i-j > 16) break;\
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if(!isig && !curfont->chars.inrange(c-curfont->skip)) break;\
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int cw = isig ? FONTH + 1 : curfont->chars[c-curfont->skip].w + 1;\
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if(isig && str[i + 2]) i++;\
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if(w + cw >= maxwidth) break;\
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w += cw;\
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}\
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if(x + w >= maxwidth && j!=0) { TEXTLINE(j-1) x = 0; y += FONTH; }\
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TEXTWORD\
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}\
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else\
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{ TEXTCHAR(i) }\
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}\
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}
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//all the chars are guaranteed to be either drawable or color commands
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#define TEXTWORDSKELETON \
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for(; j <= i; j++)\
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{\
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TEXTINDEX(j)\
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int c = str[j];\
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if(c=='\f') { if(str[j+1]) { j++; TEXTCOLOR(j) }}\
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else if(c=='\1') { if(str[j+1]) { j++; TEXTIGRAPH(j) }}\
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else { TEXTCHAR(j) }\
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}
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int text_visible(const char *str, int hitx, int hity, int maxwidth)
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{
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#define TEXTINDEX(idx)
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#define TEXTTAB(idx) TEXTGETCOLUMN
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#define TEXTWHITE(idx) if(y+FONTH > hity && x >= hitx) return idx;
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#define TEXTLINE(idx) if(y+FONTH > hity) return idx;
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#define TEXTCOLOR(idx)
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#define TEXTIGRAPH(idx) x += FONTH; TEXTWHITE(idx)
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#define TEXTCHAR(idx) x += curfont->chars[c-curfont->skip].w+1; TEXTWHITE(idx)
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#define TEXTWORD TEXTWORDSKELETON
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TEXTSKELETON
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#undef TEXTINDEX
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#undef TEXTTAB
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#undef TEXTWHITE
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#undef TEXTLINE
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#undef TEXTCOLOR
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#undef TEXTIGRAPH
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#undef TEXTCHAR
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#undef TEXTWORD
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return i;
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}
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//inverse of text_visible
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void text_pos(const char *str, int cursor, int &cx, int &cy, int maxwidth)
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{
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#define TEXTINDEX(idx) if(idx == cursor) { cx = x; cy = y; break; }
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#define TEXTTAB(idx) TEXTGETCOLUMN
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#define TEXTWHITE(idx)
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#define TEXTLINE(idx)
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#define TEXTCOLOR(idx)
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#define TEXTIGRAPH(idx) x += FONTH;
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#define TEXTCHAR(idx) x += curfont->chars[c-curfont->skip].w + 1;
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#define TEXTWORD TEXTWORDSKELETON if(i >= cursor) break;
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cx = INT_MIN;
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cy = 0;
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TEXTSKELETON
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if(cx == INT_MIN) { cx = x; cy = y; }
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#undef TEXTINDEX
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#undef TEXTTAB
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#undef TEXTWHITE
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#undef TEXTLINE
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#undef TEXTCOLOR
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#undef TEXTIGRAPH
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#undef TEXTCHAR
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#undef TEXTWORD
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}
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void text_bounds(const char *str, int &width, int &height, int maxwidth)
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{
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#define TEXTINDEX(idx)
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#define TEXTTAB(idx) TEXTSETCOLUMN
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#define TEXTWHITE(idx)
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#define TEXTLINE(idx) if(x > width) width = x;
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#define TEXTCOLOR(idx)
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#define TEXTIGRAPH(idx) x += FONTH + 1;
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#define TEXTCHAR(idx) x += curfont->chars[c-curfont->skip].w + 1;
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#define TEXTWORD x += w + 1;
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width = 0;
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TEXTSKELETON
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height = y + FONTH;
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TEXTLINE(_)
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#undef TEXTINDEX
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#undef TEXTTAB
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#undef TEXTWHITE
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#undef TEXTLINE
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#undef TEXTCOLOR
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#undef TEXTIGRAPH
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#undef TEXTCHAR
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#undef TEXTWORD
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}
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void draw_text(const char *str, int left, int top, int r, int g, int b, int a, int cursor, int maxwidth)
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{
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#define TEXTINDEX(idx) if(idx == cursor) { cx = x; cy = y; cc = str[idx]; }
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#define TEXTTAB(idx) TEXTGETCOLUMN
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#define TEXTWHITE(idx)
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#define TEXTLINE(idx)
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#define TEXTCOLOR(idx) text_color(str[idx], colorstack, sizeof(colorstack), colorpos, color, a);
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#define TEXTIGRAPH(idx) queue_igraph((uchar)str[idx], left+x, top+y), x += FONTH + 1;
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#define TEXTCHAR(idx) x += draw_char(c, left+x, top+y) + 1;
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#define TEXTWORD TEXTWORDSKELETON
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char colorstack[10];
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bvec color(r, g, b);
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int colorpos = 0, cx = INT_MIN, cy = 0, cc = ' ';
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colorstack[0] = 'c'; //indicate user color
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igraphbatch.setsize(0);
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glBlendFunc(GL_SRC_ALPHA, curfont->tex->bpp==32 ? GL_ONE_MINUS_SRC_ALPHA : GL_ONE);
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glBindTexture(GL_TEXTURE_2D, curfont->tex->id);
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glBegin(GL_QUADS);
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glColor4ub(color.x, color.y, color.z, a);
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TEXTSKELETON
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glEnd();
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if(cursor >= 0)
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{
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if(cx == INT_MIN) { cx = x; cy = y; }
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if(maxwidth != -1 && cx >= maxwidth) { cx = 0; cy += FONTH; }
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int cw = curfont->chars.inrange(cc-33) ? curfont->chars[cc-33].w + 1 : curfont->defaultw;
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rendercursor(left+cx, top+cy, cw);
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}
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render_igraphs();
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#undef TEXTINDEX
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#undef TEXTTAB
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#undef TEXTWHITE
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#undef TEXTLINE
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#undef TEXTCOLOR
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#undef TEXTIGRAPH
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#undef TEXTCHAR
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#undef TEXTWORD
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}
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void reloadfonts()
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{
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enumerate(fonts, font, f,
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if(!reloadtexture(*f.tex)) fatal("failed to reload font texture");
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);
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}
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void cutcolorstring(char *text, int maxlen)
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{ // limit string length, ignore color codes
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if(!curfont) return;
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int len = 0;
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maxlen *= curfont->defaultw;
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while(*text)
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{
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if(*text == '\f' && text[1]) text++;
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else if(*text == '\1' && text[1]) text++, len += FONTH + 1;
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else if(*text == '\t') len = TABALIGN(len);
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else len += curfont->chars.inrange(*text - curfont->skip) ? curfont->chars[*text - curfont->skip].w : curfont->defaultw;
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if(len > maxlen) { *text = '\0'; break; }
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text++;
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}
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}
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bool filterunrenderables(char *s)
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{
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bool res = false;
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char *d = s;
|
|
while(*s)
|
|
{
|
|
if(!curfont->chars.inrange(*s - curfont->skip) && *s != ' ') res = true;
|
|
else *d++ = *s;
|
|
s++;
|
|
}
|
|
return res;
|
|
}
|
|
|
|
// animated inlined graphics
|
|
|
|
VAR(igraphdefaultframetime, 5, 200, 2000);
|
|
VARP(hideigraphs, 0, 0, 1);
|
|
#define IGRAPHPATH "packages" PATHDIVS "misc" PATHDIVS "igraph" PATHDIVS
|
|
hashtable<const char *, igraph> igraphs; // keyed by shorthand
|
|
hashtable<const char *, char> igraphsi; // known filenames
|
|
vector<igraph *> usedigraphs; // char codes ('\1' + n)
|
|
|
|
void addigraph(char *fname)
|
|
{
|
|
char *b, *s = newstring(fname), *mnem = strtok_r(s, "_", &b), *r;
|
|
if(mnem && *mnem && !igraphs.access(mnem))
|
|
{ // new mnem
|
|
defformatstring(filename)("%s%s.png", IGRAPHPATH, fname);
|
|
Texture *tex = textureload(filename);
|
|
if(tex != notexture && tex->xs && tex->ys)
|
|
{
|
|
igraph &ig = igraphs[newstring(mnem)];
|
|
ig.fname = fname;
|
|
ig.tex = tex;
|
|
ig.used = !mnem[1] && *mnem >= '1' && *mnem <= '9' ? *mnem - '0' : 0;
|
|
if(ig.used && usedigraphs.inrange(ig.used)) usedigraphs[ig.used] = &ig; // hardcode "1".."9"
|
|
while((r = strtok_r(NULL, "_", &b))) ig.frames.add(max(5, (int)ATOI(r)));
|
|
if(ig.frames.empty()) ig.frames.add(igraphdefaultframetime);
|
|
while(ig.frames.length() < tex->xs / tex->ys) ig.frames.add(ig.frames.last());
|
|
loopv(ig.frames) if(i) ig.frames[i] += ig.frames[i - 1];
|
|
#ifdef _DEBUG
|
|
clientlogf(" loaded igraph \"%s\", short \"%s\", %dx%d, %d frame%s", fname, mnem, tex->xs, tex->ys, ig.frames.length(), ig.frames.length() > 1 ? "s" : "");
|
|
#endif
|
|
}
|
|
}
|
|
igraphsi[fname] = 0;
|
|
delstring(s);
|
|
}
|
|
|
|
void updateigraphs() // read all filenames and parse new ones (also preloads the textures)
|
|
{
|
|
vector<char *> files;
|
|
while(usedigraphs.length() <= (int)'\n') usedigraphs.add(NULL); // allocate hardcoded slots and skip slot 10 ('\n')
|
|
listfiles(IGRAPHPATH, "png", files);
|
|
loopvrev(files)
|
|
{
|
|
if(igraphsi.access(files[i])) delstring(files[i]);
|
|
else addigraph(files[i]);
|
|
}
|
|
}
|
|
COMMAND(updateigraphs, "");
|
|
|
|
igraph *getusedigraph(int i)
|
|
{
|
|
if(usedigraphs.inrange(i)) return usedigraphs[i];
|
|
return NULL;
|
|
}
|
|
|
|
int getigraph(const char *mnem)
|
|
{
|
|
igraph *ig = igraphs.access(mnem);
|
|
if(ig)
|
|
{
|
|
if(!ig->used && usedigraphs.length() < 255)
|
|
{
|
|
ig->used = usedigraphs.length();
|
|
usedigraphs.add(ig);
|
|
}
|
|
return ig->used;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
void _getigraph(char *s)
|
|
{
|
|
uchar res[3] = { '\1', (uchar)getigraph(s), '\0' };
|
|
result(res[1] ? (char*)res : "");
|
|
}
|
|
COMMANDN(getigraph, _getigraph, "s");
|
|
|
|
void encodeigraphs(char *d, const char *s, int len) // find known igraphs in a string and substitute with rendercodes, only used for console messages
|
|
{
|
|
if(hideigraphs) copystring(d, s, len);
|
|
else
|
|
{
|
|
len--;
|
|
string mnem;
|
|
loopi(len)
|
|
{
|
|
if(*s == ':' && (!i || isspace(s[-1])) && i < len - 1)
|
|
{
|
|
int l = strcspn(s + 1, " \t\n."), u;
|
|
if(l && l < MAXSTRLEN)
|
|
{
|
|
copystring(mnem, s + 1, l + 1);
|
|
if((u = getigraph(mnem)))
|
|
{ // found one: encode
|
|
*d++ = '\1';
|
|
*d++ = u;
|
|
s += l + 1;
|
|
i++;
|
|
continue;
|
|
}
|
|
}
|
|
}
|
|
*d++ = *s++;
|
|
}
|
|
*d = '\0';
|
|
}
|
|
}
|
|
|
|
void enumigraphs(vector<const char *> &igs, const char *s, int len)
|
|
{
|
|
enumeratek(igraphs, const char *, mnem, if(!strncasecmp(mnem, s, len)) igs.add(mnem));
|
|
}
|