mirror of
https://github.com/4jcraft/4jcraft.git
synced 2026-04-24 13:33:36 +00:00
558 lines
17 KiB
C++
558 lines
17 KiB
C++
#include "../Platform/stdafx.h"
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#include "../Textures/Textures.h"
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#include "Font.h"
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#include "../GameState/Options.h"
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#include "../Rendering/Tesselator.h"
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#include "../Textures/ResourceLocation.h"
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#include "../../Minecraft.World/IO/Streams/IntBuffer.h"
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#include "../../Minecraft.World/Headers/net.minecraft.h"
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#include "../../Minecraft.World/Util/StringHelpers.h"
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#include "../../Minecraft.World/Util/Random.h"
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Font::Font(Options* options, const std::wstring& name, Textures* textures,
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bool enforceUnicode, ResourceLocation* textureLocation, int cols,
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int rows, int charWidth, int charHeight,
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unsigned short charMap[] /* = nullptr */)
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: textures(textures) {
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int charC = cols * rows; // Number of characters in the font
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charWidths = new int[charC];
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// 4J - added initialisers
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memset(charWidths, 0, charC);
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enforceUnicodeSheet = false;
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bidirectional = false;
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xPos = yPos = 0.0f;
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// Set up member variables
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m_cols = cols;
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m_rows = rows;
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m_charWidth = charWidth;
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m_charHeight = charHeight;
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m_textureLocation = textureLocation;
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// Build character map
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if (charMap != nullptr) {
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for (int i = 0; i < charC; i++) {
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m_charMap.insert(std::make_pair(charMap[i], i));
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}
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}
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random = new Random();
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// Load the image
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BufferedImage* img =
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textures->readImage(textureLocation->getTexture(), name);
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/* - 4J - TODO
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try {
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img = ImageIO.read(Textures.class.getResourceAsStream(name));
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} catch (IOException e) {
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throw new RuntimeException(e);
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}
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*/
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int w = img->getWidth();
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int h = img->getHeight();
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intArray rawPixels(w * h);
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img->getRGB(0, 0, w, h, rawPixels, 0, w);
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for (int i = 0; i < charC; i++) {
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int xt = i % m_cols;
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int yt = i / m_cols;
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int x = 7;
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for (; x >= 0; x--) {
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int xPixel = 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 = (yt * 8 + y) * w;
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bool emptyPixel = (rawPixels[xPixel + yPixel] >> 24) ==
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0; // Check the alpha value
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if (!emptyPixel) 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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}
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delete img;
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// calculate colors
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for (int colorN = 0; colorN < 32; ++colorN) {
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int var10 = (colorN >> 3 & 1) * 85;
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int red = (colorN >> 2 & 1) * 170 + var10;
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int green = (colorN >> 1 & 1) * 170 + var10;
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int blue = (colorN >> 0 & 1) * 170 + var10;
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if (colorN == 6) {
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red += 85;
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}
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if (options->anaglyph3d) {
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int tmpRed = (red * 30 + green * 59 + blue * 11) / 100;
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int tmpGreen = (red * 30 + green * 70) / 100;
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int tmpBlue = (red * 30 + blue * 70) / 100;
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red = tmpRed;
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green = tmpGreen;
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blue = tmpBlue;
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}
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if (colorN >= 16) {
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red /= 4;
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green /= 4;
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blue /= 4;
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}
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colors[colorN] = (red & 255) << 16 | (green & 255) << 8 | (blue & 255);
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}
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}
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// 4J Stu - This dtor clashes with one in xui! We never delete these anyway so
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// take it out for now. Can go back when we have got rid of XUI
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Font::~Font() { delete[] charWidths; }
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void Font::renderCharacter(wchar_t c) {
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float xOff = c % m_cols * m_charWidth;
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float yOff = c / m_cols * m_charWidth;
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float width = charWidths[c] - .01f;
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float height = m_charHeight - .01f;
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float fontWidth = m_cols * m_charWidth;
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float fontHeight = m_rows * m_charHeight;
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Tesselator* t = Tesselator::getInstance();
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// 4J Stu - Changed to a quad so that we can use within a command buffer
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t->begin();
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t->tex(xOff / fontWidth, (yOff + 7.99f) / fontHeight);
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t->vertex(xPos, yPos + height, 0.0f);
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t->tex((xOff + width) / fontWidth, (yOff + 7.99f) / fontHeight);
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t->vertex(xPos + width, yPos + height, 0.0f);
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t->tex((xOff + width) / fontWidth, yOff / fontHeight);
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t->vertex(xPos + width, yPos, 0.0f);
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t->tex(xOff / fontWidth, yOff / fontHeight);
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t->vertex(xPos, yPos, 0.0f);
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t->end();
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xPos += (float)charWidths[c];
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}
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void Font::drawShadow(const std::wstring& str, int x, int y, int color) {
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draw(str, x + 1, y + 1, color, true);
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draw(str, x, y, color, false);
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}
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void Font::drawShadowWordWrap(const std::wstring& str, int x, int y, int w,
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int color, int h) {
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drawWordWrapInternal(str, x + 1, y + 1, w, color, true, h);
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drawWordWrapInternal(str, x, y, w, color, h);
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}
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void Font::draw(const std::wstring& str, int x, int y, int color) {
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draw(str, x, y, color, false);
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}
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std::wstring Font::reorderBidi(const std::wstring& str) {
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// 4J Not implemented
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return str;
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}
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void Font::draw(const std::wstring& str, bool dropShadow) {
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// Bind the texture
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textures->bindTexture(m_textureLocation);
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bool noise = false;
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std::wstring cleanStr = sanitize(str);
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for (int i = 0; i < (int)cleanStr.length(); ++i) {
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// Map character
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wchar_t c = cleanStr.at(i);
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if (c == 167 && i + 1 < cleanStr.length()) {
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// 4J - following block was:
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// int colorN =
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// L"0123456789abcdefk".indexOf(str.toLowerCase().charAt(i + 1));
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wchar_t ca = cleanStr[i + 1];
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int colorN = 16;
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if ((ca >= L'0') && (ca <= L'9'))
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colorN = ca - L'0';
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else if ((ca >= L'a') && (ca <= L'f'))
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colorN = (ca - L'a') + 10;
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else if ((ca >= L'A') && (ca <= L'F'))
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colorN = (ca - L'A') + 10;
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if (colorN == 16) {
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noise = true;
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} else {
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noise = false;
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if (colorN < 0 || colorN > 15) colorN = 15;
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if (dropShadow) colorN += 16;
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int color = colors[colorN];
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glColor3f((color >> 16) / 255.0F, ((color >> 8) & 255) / 255.0F,
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(color & 255) / 255.0F);
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}
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i += 1;
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continue;
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}
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// "noise" for crazy splash screen message
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if (noise) {
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int newc;
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do {
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newc = random->nextInt(
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SharedConstants::acceptableLetters.length());
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} while (charWidths[c + 32] != charWidths[newc + 32]);
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c = newc;
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}
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renderCharacter(c);
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}
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}
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void Font::draw(const std::wstring& str, int x, int y, int color,
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bool dropShadow) {
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if (!str.empty()) {
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if ((color & 0xFC000000) == 0) color |= 0xFF000000; // force alpha
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// if not set
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if (dropShadow) // divide RGB by 4, preserve alpha
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// 4jcraft changed -1 << 24 to the value of 1 (0xFF FF
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// FF FF)
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color = (color & 0xfcfcfc) >> 2 | (color & (0xFFFFFFFF << 24));
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glColor4f((color >> 16 & 255) / 255.0F, (color >> 8 & 255) / 255.0F,
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(color & 255) / 255.0F, (color >> 24 & 255) / 255.0F);
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xPos = x;
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yPos = y;
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draw(str, dropShadow);
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}
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}
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int Font::width(const std::wstring& str) {
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std::wstring cleanStr = sanitize(str);
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if (cleanStr == L"") return 0; // 4J - was nullptr comparison
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int len = 0;
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for (int i = 0; i < cleanStr.length(); ++i) {
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wchar_t c = cleanStr.at(i);
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if (c == 167) {
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// Ignore the character used to define coloured text
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++i;
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} else {
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len += charWidths[c];
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}
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}
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return len;
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}
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std::wstring Font::sanitize(const std::wstring& str) {
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std::wstring sb = str;
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for (unsigned int i = 0; i < sb.length(); i++) {
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if (CharacterExists(sb[i])) {
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sb[i] = MapCharacter(sb[i]);
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} else {
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// If this character isn't supported, just show the first character
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// (empty square box character)
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sb[i] = 0;
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}
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}
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return sb;
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}
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int Font::MapCharacter(wchar_t c) {
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if (!m_charMap.empty()) {
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// Don't map space character
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return c == ' ' ? c : m_charMap[c];
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} else {
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return c;
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}
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}
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bool Font::CharacterExists(wchar_t c) {
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if (!m_charMap.empty()) {
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return m_charMap.find(c) != m_charMap.end();
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} else {
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return c >= 0 && c <= m_rows * m_cols;
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}
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}
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void Font::drawWordWrap(const std::wstring& string, int x, int y, int w,
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int col, int h) {
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// if (bidirectional)
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//{
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// string = reorderBidi(string);
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// }
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drawWordWrapInternal(string, x, y, w, col, h);
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}
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void Font::drawWordWrapInternal(const std::wstring& string, int x, int y, int w,
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int col, int h) {
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drawWordWrapInternal(string, x, y, w, col, false, h);
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}
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void Font::drawWordWrap(const std::wstring& string, int x, int y, int w,
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int col, bool darken, int h) {
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// if (bidirectional)
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//{
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// string = reorderBidi(string);
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// }
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drawWordWrapInternal(string, x, y, w, col, darken, h);
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}
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void Font::drawWordWrapInternal(const std::wstring& string, int x, int y, int w,
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int col, bool darken, int h) {
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std::vector<std::wstring> lines = stringSplit(string, L'\n');
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if (lines.size() > 1) {
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AUTO_VAR(itEnd, lines.end());
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for (AUTO_VAR(it, lines.begin()); it != itEnd; it++) {
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// 4J Stu - Don't draw text that will be partially cutoff/overlap
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// something it shouldn't
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if ((y + this->wordWrapHeight(*it, w)) > h) break;
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drawWordWrapInternal(*it, x, y, w, col, h);
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y += this->wordWrapHeight(*it, w);
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}
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return;
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}
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std::vector<std::wstring> words = stringSplit(string, L' ');
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unsigned int pos = 0;
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while (pos < words.size()) {
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std::wstring line = words[pos++] + L" ";
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while (pos < words.size() && width(line + words[pos]) < w) {
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line += words[pos++] + L" ";
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}
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while (width(line) > w) {
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int l = 0;
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while (width(line.substr(0, l + 1)) <= w) {
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l++;
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}
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if (trimString(line.substr(0, l)).length() > 0) {
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draw(line.substr(0, l), x, y, col);
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y += 8;
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}
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line = line.substr(l);
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// 4J Stu - Don't draw text that will be partially cutoff/overlap
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// something it shouldn't
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if ((y + 8) > h) break;
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}
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// 4J Stu - Don't draw text that will be partially cutoff/overlap
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// something it shouldn't
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if (trimString(line).length() > 0 && !((y + 8) > h)) {
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draw(line, x, y, col);
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y += 8;
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}
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}
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}
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int Font::wordWrapHeight(const std::wstring& string, int w) {
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std::vector<std::wstring> lines = stringSplit(string, L'\n');
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if (lines.size() > 1) {
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int h = 0;
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AUTO_VAR(itEnd, lines.end());
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for (AUTO_VAR(it, lines.begin()); it != itEnd; it++) {
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h += this->wordWrapHeight(*it, w);
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}
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return h;
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}
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std::vector<std::wstring> words = stringSplit(string, L' ');
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unsigned int pos = 0;
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int y = 0;
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while (pos < words.size()) {
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std::wstring line = words[pos++] + L" ";
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while (pos < words.size() && width(line + words[pos]) < w) {
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line += words[pos++] + L" ";
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}
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while (width(line) > w) {
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int l = 0;
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while (width(line.substr(0, l + 1)) <= w) {
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l++;
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}
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if (trimString(line.substr(0, l)).length() > 0) {
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y += 8;
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}
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line = line.substr(l);
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}
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if (trimString(line).length() > 0) {
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y += 8;
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}
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}
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if (y < 8) y += 8;
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return y;
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}
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void Font::setEnforceUnicodeSheet(bool enforceUnicodeSheet) {
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this->enforceUnicodeSheet = enforceUnicodeSheet;
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}
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void Font::setBidirectional(bool bidirectional) {
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this->bidirectional = bidirectional;
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}
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bool Font::AllCharactersValid(const std::wstring& str) {
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for (int i = 0; i < (int)str.length(); ++i) {
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wchar_t c = str.at(i);
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if (c == 167 && i + 1 < str.length()) {
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// skip special color setting
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i += 1;
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continue;
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}
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int index = SharedConstants::acceptableLetters.find(c);
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if ((c != ' ') && !(index > 0 && !enforceUnicodeSheet)) {
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return false;
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}
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}
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return true;
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}
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// Not in use
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/*// 4J - this code is lifted from #if 0 section above, so that we can directly
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create what would have gone in each of our 256 + 32 command buffers void
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Font::renderFakeCB(IntBuffer *ib)
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{
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Tesselator *t = Tesselator::getInstance();
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int i;
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for(unsigned int j = 0; j < ib->limit(); j++)
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{
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int cb = ib->get(j);
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if( cb < 256 )
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{
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i = cb;
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t->begin();
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int ix = i % 16 * 8;
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int iy = i / 16 * 8;
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// float s = 7.99f;
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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((float)(0), (float)( 0 + s), (float)( 0),
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(float)( ix / 128.0f + uo), (float)( (iy + s) / 128.0f + vo));
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t->vertexUV((float)(0 + s), (float)( 0 + s), (float)(
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0), (float)( (ix + s) / 128.0f + uo), (float)( (iy + s) / 128.0f + vo));
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t->vertexUV((float)(0 + s), (float)( 0), (float)( 0),
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(float)( (ix + s) / 128.0f + uo), (float)( iy / 128.0f + vo));
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t->vertexUV((float)(0), (float)( 0), (float)( 0),
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(float)( ix / 128.0f + uo), (float)( iy / 128.0f + vo));
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// target.colorBlit(texture, x + xo, y, color, ix, iy,
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// charWidths[chars[i]], 8);
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t->end();
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glTranslatef((float)charWidths[i], 0, 0);
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}
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else
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{
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i = cb - 256;
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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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{
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r += 0x55;
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}
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bool darken = i >= 16;
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// color = r << 16 | g << 8 | b;
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if (darken)
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{
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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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glColor3f(r / 255.0f, g / 255.0f, b / 255.0f);
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}
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}
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}
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void Font::loadUnicodePage(int page)
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{
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wchar_t fileName[25];
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//String fileName = String.format("/1_2_2/font/glyph_%02X.png", page);
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swprintf(fileName,25,L"/1_2_2/font/glyph_%02X.png",page);
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BufferedImage *image = new BufferedImage(fileName);
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//try
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//{
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// image =
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ImageIO.read(Textures.class.getResourceAsStream(fileName.toString()));
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//}
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//catch (IOException e)
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//{
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// throw new RuntimeException(e);
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//}
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unicodeTexID[page] = textures->getTexture(image);
|
|
lastBoundTexture = unicodeTexID[page];
|
|
}
|
|
|
|
void Font::renderUnicodeCharacter(wchar_t c)
|
|
{
|
|
if (unicodeWidth[c] == 0)
|
|
{
|
|
// System.out.println("no-width char " + c);
|
|
return;
|
|
}
|
|
|
|
int page = c / 256;
|
|
|
|
if (unicodeTexID[page] == 0) loadUnicodePage(page);
|
|
|
|
if (lastBoundTexture != unicodeTexID[page])
|
|
{
|
|
glBindTexture(GL_TEXTURE_2D, unicodeTexID[page]);
|
|
lastBoundTexture = unicodeTexID[page];
|
|
}
|
|
|
|
// first column with non-trans pixels
|
|
int firstLeft = unicodeWidth[c] >> 4;
|
|
// last column with non-trans pixels
|
|
int firstRight = unicodeWidth[c] & 0xF;
|
|
|
|
float left = firstLeft;
|
|
float right = firstRight + 1;
|
|
|
|
float xOff = c % 16 * 16 + left;
|
|
float yOff = (c & 0xFF) / 16 * 16;
|
|
float width = right - left - .02f;
|
|
|
|
Tesselator *t = Tesselator::getInstance();
|
|
t->begin(GL_TRIANGLE_STRIP);
|
|
t->tex(xOff / 256.0F, yOff / 256.0F);
|
|
t->vertex(xPos, yPos, 0.0f);
|
|
t->tex(xOff / 256.0F, (yOff + 15.98f) / 256.0F);
|
|
t->vertex(xPos, yPos + 7.99f, 0.0f);
|
|
t->tex((xOff + width) / 256.0F, yOff / 256.0F);
|
|
t->vertex(xPos + width / 2, yPos, 0.0f);
|
|
t->tex((xOff + width) / 256.0F, (yOff + 15.98f) / 256.0F);
|
|
t->vertex(xPos + width / 2, yPos + 7.99f, 0.0f);
|
|
t->end();
|
|
|
|
xPos += (right - left) / 2 + 1;
|
|
}
|
|
*/
|