Convert to ObjC++
FossilOrigin-Name: 7c2704b3d77d6e63d960e315bfb601fddbf6fce538b7c5db6da664e04fbce4c2
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04fa50a332
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34 changed files with 87 additions and 79 deletions
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@ -1,235 +0,0 @@
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// rendertext.cpp: based on Don's gl_text.cpp
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#include "cube.h"
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short char_coords[96][4] = {
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{0, 0, 25, 64}, //!
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{25, 0, 54, 64}, //"
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{54, 0, 107, 64}, // #
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{107, 0, 148, 64}, //$
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{148, 0, 217, 64}, //%
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{217, 0, 263, 64}, //&
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{263, 0, 280, 64}, //'
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{280, 0, 309, 64}, //(
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{309, 0, 338, 64}, //)
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{338, 0, 379, 64}, //*
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{379, 0, 432, 64}, //+
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{432, 0, 455, 64}, //,
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{455, 0, 484, 64}, //-
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{0, 64, 21, 128}, //.
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{23, 64, 52, 128}, ///
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{52, 64, 93, 128}, // 0
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{93, 64, 133, 128}, // 1
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{133, 64, 174, 128}, // 2
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{174, 64, 215, 128}, // 3
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{215, 64, 256, 128}, // 4
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{256, 64, 296, 128}, // 5
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{296, 64, 337, 128}, // 6
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{337, 64, 378, 128}, // 7
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{378, 64, 419, 128}, // 8
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{419, 64, 459, 128}, // 9
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{459, 64, 488, 128}, //:
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{0, 128, 29, 192}, //;
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{29, 128, 81, 192}, //<
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{81, 128, 134, 192}, //=
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{134, 128, 186, 192}, //>
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{186, 128, 221, 192}, //?
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{221, 128, 285, 192}, //@
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{285, 128, 329, 192}, // A
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{329, 128, 373, 192}, // B
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{373, 128, 418, 192}, // C
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{418, 128, 467, 192}, // D
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{0, 192, 40, 256}, // E
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{40, 192, 77, 256}, // F
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{77, 192, 127, 256}, // G
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{127, 192, 175, 256}, // H
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{175, 192, 202, 256}, // I
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{202, 192, 231, 256}, // J
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{231, 192, 275, 256}, // K
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{275, 192, 311, 256}, // L
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{311, 192, 365, 256}, // M
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{365, 192, 413, 256}, // N
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{413, 192, 463, 256}, // O
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{1, 256, 38, 320}, // P
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{38, 256, 89, 320}, // Q
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{89, 256, 133, 320}, // R
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{133, 256, 176, 320}, // S
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{177, 256, 216, 320}, // T
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{217, 256, 263, 320}, // U
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{263, 256, 307, 320}, // V
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{307, 256, 370, 320}, // W
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{370, 256, 414, 320}, // X
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{414, 256, 453, 320}, // Y
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{453, 256, 497, 320}, // Z
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{0, 320, 29, 384}, //[
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{29, 320, 58, 384}, //"\"
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{59, 320, 87, 384}, //]
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{87, 320, 139, 384}, //^
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{139, 320, 180, 384}, //_
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{180, 320, 221, 384}, //`
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{221, 320, 259, 384}, // a
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{259, 320, 299, 384}, // b
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{299, 320, 332, 384}, // c
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{332, 320, 372, 384}, // d
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{372, 320, 411, 384}, // e
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{411, 320, 433, 384}, // f
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{435, 320, 473, 384}, // g
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{0, 384, 40, 448}, // h
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{40, 384, 56, 448}, // i
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{58, 384, 80, 448}, // j
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{80, 384, 118, 448}, // k
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{118, 384, 135, 448}, // l
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{135, 384, 197, 448}, // m
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{197, 384, 238, 448}, // n
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{238, 384, 277, 448}, // o
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{277, 384, 317, 448}, // p
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{317, 384, 356, 448}, // q
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{357, 384, 384, 448}, // r
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{385, 384, 417, 448}, // s
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{417, 384, 442, 448}, // t
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{443, 384, 483, 448}, // u
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{0, 448, 38, 512}, // v
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{38, 448, 90, 512}, // w
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{90, 448, 128, 512}, // x
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{128, 448, 166, 512}, // y
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{166, 448, 200, 512}, // z
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{200, 448, 241, 512}, //{
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{241, 448, 270, 512}, //|
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{270, 448, 310, 512}, //}
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{310, 448, 363, 512}, //~
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};
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int
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text_width(char *str)
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{
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int x = 0;
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for (int i = 0; str[i] != 0; i++) {
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int c = str[i];
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if (c == '\t') {
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x = (x + PIXELTAB) / PIXELTAB * PIXELTAB;
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continue;
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};
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if (c == '\f')
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continue;
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if (c == ' ') {
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x += FONTH / 2;
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continue;
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};
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c -= 33;
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if (c < 0 || c >= 95)
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continue;
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int in_width = char_coords[c][2] - char_coords[c][0];
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x += in_width + 1;
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}
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return x;
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}
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void
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draw_textf(char *fstr, int left, int top, int gl_num, ...)
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{
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sprintf_sdlv(str, gl_num, fstr);
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draw_text(str, left, top, gl_num);
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};
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void
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draw_text(char *str, int left, int top, int gl_num)
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{
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glBlendFunc(GL_ONE, GL_ONE);
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glBindTexture(GL_TEXTURE_2D, gl_num);
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glColor3ub(255, 255, 255);
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int x = left;
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int y = top;
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int i;
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float in_left, in_top, in_right, in_bottom;
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int in_width, in_height;
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for (i = 0; str[i] != 0; i++) {
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int c = str[i];
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if (c == '\t') {
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x = (x - left + PIXELTAB) / PIXELTAB * PIXELTAB + left;
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continue;
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};
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if (c == '\f') {
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glColor3ub(64, 255, 128);
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continue;
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};
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if (c == ' ') {
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x += FONTH / 2;
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continue;
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};
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c -= 33;
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if (c < 0 || c >= 95)
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continue;
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in_left = ((float)char_coords[c][0]) / 512.0f;
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in_top = ((float)char_coords[c][1] + 2) / 512.0f;
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in_right = ((float)char_coords[c][2]) / 512.0f;
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in_bottom = ((float)char_coords[c][3] - 2) / 512.0f;
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in_width = char_coords[c][2] - char_coords[c][0];
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in_height = char_coords[c][3] - char_coords[c][1];
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glBegin(GL_QUADS);
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glTexCoord2f(in_left, in_top);
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glVertex2i(x, y);
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glTexCoord2f(in_right, in_top);
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glVertex2i(x + in_width, y);
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glTexCoord2f(in_right, in_bottom);
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glVertex2i(x + in_width, y + in_height);
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glTexCoord2f(in_left, in_bottom);
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glVertex2i(x, y + in_height);
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glEnd();
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xtraverts += 4;
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x += in_width + 1;
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}
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}
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// also Don's code, so goes in here too :)
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void
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draw_envbox_aux(float s0, float t0, int x0, int y0, int z0, float s1, float t1,
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int x1, int y1, int z1, float s2, float t2, int x2, int y2, int z2,
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float s3, float t3, int x3, int y3, int z3, int texture)
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{
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glBindTexture(GL_TEXTURE_2D, texture);
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glBegin(GL_QUADS);
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glTexCoord2f(s3, t3);
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glVertex3d(x3, y3, z3);
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glTexCoord2f(s2, t2);
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glVertex3d(x2, y2, z2);
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glTexCoord2f(s1, t1);
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glVertex3d(x1, y1, z1);
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glTexCoord2f(s0, t0);
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glVertex3d(x0, y0, z0);
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glEnd();
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xtraverts += 4;
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}
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void
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draw_envbox(int t, int w)
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{
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glDepthMask(GL_FALSE);
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draw_envbox_aux(1.0f, 1.0f, -w, -w, w, 0.0f, 1.0f, w, -w, w, 0.0f, 0.0f,
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w, -w, -w, 1.0f, 0.0f, -w, -w, -w, t);
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draw_envbox_aux(1.0f, 1.0f, +w, w, w, 0.0f, 1.0f, -w, w, w, 0.0f, 0.0f,
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-w, w, -w, 1.0f, 0.0f, +w, w, -w, t + 1);
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draw_envbox_aux(0.0f, 0.0f, -w, -w, -w, 1.0f, 0.0f, -w, w, -w, 1.0f,
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1.0f, -w, w, w, 0.0f, 1.0f, -w, -w, w, t + 2);
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draw_envbox_aux(1.0f, 1.0f, +w, -w, w, 0.0f, 1.0f, +w, w, w, 0.0f, 0.0f,
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+w, w, -w, 1.0f, 0.0f, +w, -w, -w, t + 3);
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draw_envbox_aux(0.0f, 1.0f, -w, w, w, 0.0f, 0.0f, +w, w, w, 1.0f, 0.0f,
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+w, -w, w, 1.0f, 1.0f, -w, -w, w, t + 4);
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draw_envbox_aux(0.0f, 1.0f, +w, w, -w, 0.0f, 0.0f, -w, w, -w, 1.0f,
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0.0f, -w, -w, -w, 1.0f, 1.0f, +w, -w, -w, t + 5);
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glDepthMask(GL_TRUE);
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}
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