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https://gitea.sffempire.ru/Kolyah35/minecraft-pe-0.6.1.git
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the whole game
This commit is contained in:
Kolyah35
372
src/client/gui/Font.cpp
Executable file
372
src/client/gui/Font.cpp
Executable file
@@ -0,0 +1,372 @@
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#include "Font.h"
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//#include "SharedConstants.h"
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#include "../Options.h"
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#include "../renderer/Textures.h"
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#include "../renderer/Tesselator.h"
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#include "../../util/Mth.h"
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#include <cstring>
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Font::Font( Options* options, const std::string& name, Textures* textures )
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: options(options),
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fontTexture(0),
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fontName(name),
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index(0),
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count(0),
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_textures(textures),
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_x(0), _y(0),
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_cols(16), _rows(16),
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_charOffset(0),
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lineHeight(DefaultLineHeight)
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{
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init(options);
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}
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//Font::Font( Options* options, const std::string& name, Textures* textures, int imgW, int imgH, int x, int y, int cols, int rows, unsigned char charOffset )
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//: options(options),
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// fontTexture(0),
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// fontName(name),
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// index(0),
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// count(0),
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// _textures(textures),
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// _x(x), _y(y),
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// _cols(cols), _rows(rows),
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// _charOffset(charOffset)
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//{
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// init(options);
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//}
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void Font::onGraphicsReset()
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{
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init(options);
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}
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void Font::init( Options* options )
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{
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TextureId fontTexture = _textures->loadTexture(fontName);
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const TextureData* tex = _textures->getTemporaryTextureData(fontTexture);
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if (!tex)
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return;
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unsigned char* rawPixels = tex->data;
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const int numChars = _rows * _cols;
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for (int i = 0; i < numChars; i++) {
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int xt = i % _cols;
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int yt = i / _cols;
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int x = 7;
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for (; x >= 0; x--) {
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int xPixel = _x + xt * 8 + x;
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bool emptyColumn = true;
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for (int y = 0; y < 8 && emptyColumn; y++) {
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int yPixel = _y + (yt * 8 + y) * tex->w;
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unsigned char pixelalpha = rawPixels[(xPixel + yPixel) << 2];
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if (pixelalpha > 0) emptyColumn = false;
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}
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if (!emptyColumn) {
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break;
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}
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}
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if (i == ' ') x = 4 - 2;
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charWidths[i] = x + 2;
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fcharWidths[i] = (float) charWidths[i];
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}
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#ifdef USE_VBO
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return; // this <1
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#endif
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#ifndef USE_VBO
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listPos = glGenLists(256 + 32);
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Tesselator& t = Tesselator::instance;
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for (int i = 0; i < 256; i++) {
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glNewList(listPos + i, GL_COMPILE);
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// @attn @huge @note: This is some dangerous code right here / Aron, added ^1
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t.begin();
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buildChar(i);
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t.end(false, -1);
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glTranslatef2((GLfloat)charWidths[i], 0.0f, 0.0f);
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glEndList();
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}
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for (int i = 0; i < 32; i++) {
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int br = ((i >> 3) & 1) * 0x55;
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int r = ((i >> 2) & 1) * 0xaa + br;
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int g = ((i >> 1) & 1) * 0xaa + br;
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int b = ((i >> 0) & 1) * 0xaa + br;
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if (i == 6) {
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r += 0x55;
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}
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bool darken = i >= 16;
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if (options->anaglyph3d) {
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int cr = (r * 30 + g * 59 + b * 11) / 100;
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int cg = (r * 30 + g * 70) / (100);
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int cb = (r * 30 + b * 70) / (100);
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r = cr;
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g = cg;
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b = cb;
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}
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// color = r << 16 | g << 8 | b;
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if (darken) {
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r /= 4;
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g /= 4;
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b /= 4;
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}
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glNewList(listPos + 256 + i, GL_COMPILE);
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glColor3f(r / 255.0f, g / 255.0f, b / 255.0f);
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glEndList();
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}
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#endif
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}
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void Font::drawShadow( const std::string& str, float x, float y, int color )
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{
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draw(str, x + 1, y + 1, color, true);
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draw(str, x, y, color);
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}
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void Font::drawShadow( const char* str, float x, float y, int color )
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{
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draw(str, x + 1, y + 1, color, true);
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draw(str, x, y, color);
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}
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void Font::draw( const std::string& str, float x, float y, int color )
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{
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draw(str, x, y, color, false);
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}
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void Font::draw( const char* str, float x, float y, int color )
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{
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draw(str, x, y, color, false);
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}
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void Font::draw( const char* str, float x, float y, int color, bool darken )
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{
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#ifdef USE_VBO
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drawSlow(str, x, y, color, darken);
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#endif
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}
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void Font::draw( const std::string& str, float x, float y, int color, bool darken )
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{
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#ifdef USE_VBO
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drawSlow(str, x, y, color, darken);
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return;
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#endif
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if (str.empty()) return;
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if (darken) {
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int oldAlpha = color & 0xff000000;
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color = (color & 0xfcfcfc) >> 2;
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color += oldAlpha;
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}
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_textures->loadAndBindTexture(fontName);
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float r = ((color >> 16) & 0xff) / 255.0f;
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float g = ((color >> 8) & 0xff) / 255.0f;
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float b = ((color) & 0xff) / 255.0f;
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float a = ((color >> 24) & 0xff) / 255.0f;
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if (a == 0) a = 1;
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glColor4f2(r, g, b, a);
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static const std::string hex("0123456789abcdef");
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index = 0;
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glPushMatrix2();
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glTranslatef2((GLfloat)x, (GLfloat)y, 0.0f);
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for (unsigned int i = 0; i < str.length(); i++) {
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while (str.length() > i + 1 && str[i] == '<EFBFBD>') {
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int cc = hex.find((char)tolower(str[i + 1]));
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if (cc < 0 || cc > 15) cc = 15;
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lists[index++] = listPos + 256 + cc + (darken ? 16 : 0);
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if (index == 1024) {
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count = index;
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index = 0;
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#ifndef USE_VBO
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glCallLists(count, GL_UNSIGNED_INT, lists);
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#endif
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count = 1024;
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}
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i += 2;
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}
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if (i < str.length()) {
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//int ch = SharedConstants.acceptableLetters.indexOf(str.charAt(i));
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char ch = str[i];
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if (ch >= 0) {
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//ib.put(listPos + ch + 32);
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lists[index++] = listPos + ch;
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}
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}
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if (index == 1024) {
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count = index;
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index = 0;
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#ifndef USE_VBO
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glCallLists(count, GL_UNSIGNED_INT, lists);
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#endif
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count = 1024;
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}
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}
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count = index;
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index = 0;
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#ifndef USE_VBO
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glCallLists(count, GL_UNSIGNED_INT, lists);
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#endif
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glPopMatrix2();
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}
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int Font::width( const std::string& str )
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{
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int maxLen = 0;
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int len = 0;
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for (unsigned int i = 0; i < str.length(); i++) {
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if (str[i] == '<EFBFBD>') {
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i++;
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} else {
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//int ch = SharedConstants.acceptableLetters.indexOf(str.charAt(i));
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//if (ch >= 0) {
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// len += charWidths[ch + 32];
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//}
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if (str[i] == '\n') {
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if (len > maxLen) maxLen = len;
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len = 0;
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}
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else {
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int charWidth = charWidths[ (unsigned char) str[i] ];
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len += charWidth;
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}
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}
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}
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return maxLen>len? maxLen : len;
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}
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int Font::height( const std::string& str ) {
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int h = 0;
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bool hasLine = false;
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for (unsigned int i = 0; i < str.length(); ++i) {
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if (str[i] == '\n') hasLine = true;
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else {
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if (hasLine) h += lineHeight;
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hasLine = false;
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}
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}
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return h;
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}
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std::string Font::sanitize( const std::string& str )
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{
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std::string sanitized(str.length() + 1, 0);
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int j = 0;
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for (unsigned int i = 0; i < str.length(); i++) {
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if (str[i] == '<EFBFBD>') {
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i++;
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//} else if (SharedConstants.acceptableLetters.indexOf(str.charAt(i)) >= 0) {
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} else {
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sanitized[j++] = str[i];
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}
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}
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return sanitized.erase(j);
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}
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void Font::drawWordWrap( const std::string& str, float x, float y, float w, int col )
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{
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char* cstr = new char[str.length() + 1];
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strncpy(cstr, str.c_str(), str.length());
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cstr[str.length()] = 0;
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const char* lims = " \n\t\r";
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char* ptok = strtok(cstr, lims);
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std::vector<std::string> words;
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while (ptok != NULL) {
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words.push_back( ptok );
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ptok = strtok(NULL, lims);
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}
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delete[] cstr;
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int pos = 0;
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while (pos < (int)words.size()) {
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std::string line = words[pos++] + " ";
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while (pos < (int)words.size() && width(line + words[pos]) < w) {
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line += words[pos++] + " ";
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}
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drawShadow(line, x, y, col);
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y += lineHeight;
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}
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}
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void Font::drawSlow( const std::string& str, float x, float y, int color, bool darken /*= false*/ ) {
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drawSlow(str.c_str(), x, y, color, darken);
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}
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void Font::drawSlow( const char* str, float x, float y, int color, bool darken /*= false*/ )
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{
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if (!str) return;
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if (darken) {
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int oldAlpha = color & 0xff000000;
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color = (color & 0xfcfcfc) >> 2;
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color += oldAlpha;
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}
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_textures->loadAndBindTexture(fontName);
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Tesselator& t = Tesselator::instance;
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t.begin();
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int alpha = (0xff000000 & color) >> 24;
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if (!alpha) alpha = 0xff;
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t.color((color >> 16) & 0xff, (color >> 8) & 0xff, color & 0xff, alpha);
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t.addOffset((float)x, (float)y, 0);
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float xOffset = 0;
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float yOffset = 0;
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while (unsigned char ch = *(str++)) {
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if (ch == '\n') {
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xOffset = 0;
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yOffset += lineHeight;
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} else {
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buildChar(ch, xOffset, yOffset);
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xOffset += fcharWidths[ch];
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}
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}
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t.draw();
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t.addOffset(-(float)x, -(float)y, 0);
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}
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void Font::buildChar( unsigned char i, float x /*= 0*/, float y /*=0*/ )
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{
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Tesselator& t = Tesselator::instance;
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//i -= _charOffset;
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//int ix = (i % _cols) * 8 + _x;
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//int iy = (i / _cols) * 8 + _y;
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float ix = (float)((i & 15) * 8);
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float iy = (float)((i >> 4) * 8);
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float s = 7.99f;
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float uo = (0.0f) / 128.0f;
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float vo = (0.0f) / 128.0f;
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t.vertexUV(x, y + s, 0, ix / 128.0f + uo, (iy + s) / 128.0f + vo);
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t.vertexUV(x + s, y + s, 0, (ix + s) / 128.0f + uo, (iy + s) / 128.0f + vo);
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t.vertexUV(x + s, y, 0, (ix + s) / 128.0f + uo, iy / 128.0f + vo);
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t.vertexUV(x, y, 0, ix / 128.0f + uo, iy / 128.0f + vo);
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}
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