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5 Commits
| Author | SHA1 | Date | |
|---|---|---|---|
| 981dc3467e | |||
| 42af029a26 | |||
| 2e5dfc609a | |||
| ba6d2b758d | |||
| 12dd1d21de |
@@ -23,6 +23,7 @@ public:
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private:
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private:
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void renderText(std::string text, Font* font, TextJob::AlignmentEnum alignment, glm::vec4 color, glm::mat4 modelMatrix, glm::mat4 projectionMatrix, glm::mat4 viewMatrix);
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void renderText(std::string text, Font* font, TextJob::AlignmentEnum alignment, glm::vec4 color, glm::mat4 modelMatrix, glm::mat4 projectionMatrix, glm::mat4 viewMatrix);
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std::string parseColors(std::string text, std::map<int, glm::vec4>& colorChanges, glm::vec4 originalColor);
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Font* font;
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Font* font;
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GLuint VAO, VBO;
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GLuint VAO, VBO;
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@@ -46,6 +46,94 @@ void TextPass::Draw(RenderScene& scene, FrameBuffer& frameBuffer)
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delete state;
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delete state;
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}
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}
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std::string TextPass::parseColors(std::string text, std::map<int, glm::vec4>& colorChanges, glm::vec4 originalColor)
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{
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std::string parsedString = text;
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glm::vec4 newColor = originalColor;
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bool colorChange = false;
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for (std::string::const_iterator c = parsedString.begin(); c != parsedString.end(); c++) {
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if (*c == char(92)) { // Backlash
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if ((c + 1) != parsedString.end()) {
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if (*(c + 1) == char('C')) { // C for Color
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if ((c + 7) != parsedString.end()) {
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bool hasCorrectFormat = true;
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for (std::string::const_iterator colorC = c + 2; colorC != c + 8; colorC++) {
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if (*colorC < '0' || *colorC > 'F') {
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hasCorrectFormat = false;
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break;
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}
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}
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if (hasCorrectFormat == true) {
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colorChange = true;
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std::array<int, 3> hexToInt = {
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std::stoi(std::string(c + 2, c + 4), 0, 16),
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std::stoi(std::string(c + 4, c + 6), 0, 16),
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std::stoi(std::string(c + 6, c + 8), 0, 16)
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};
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newColor = glm::vec4(
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float(hexToInt[0]) / 255.f,
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float(hexToInt[1]) / 255.f,
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float(hexToInt[2]) / 255.f,
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newColor.a);
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parsedString.erase(c, (c + 8));
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}
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}
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}
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if (*(c + 1) == char('A')) { // A for Alpha
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if ((c + 3) != parsedString.end()) {
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bool hasCorrectFormat = true;
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for (std::string::const_iterator colorC = c + 2; colorC != c + 4; colorC++) {
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if (*colorC < '0' || *colorC > 'F') {
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hasCorrectFormat = false;
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break;
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}
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}
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if (hasCorrectFormat == true) {
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colorChange = true;
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int hexToInt = std::stoi(std::string(c + 2, c + 4), 0, 16);
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newColor = glm::vec4(
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newColor.r,
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newColor.g,
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newColor.b,
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float(hexToInt) / 255.f);
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parsedString.erase(c, (c + 4));
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}
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}
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}
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if ((*(c + 1) >= '1' && *(c + 1) <= '9') || *(c + 1) == 'B' || *(c + 1) == 'E' || *(c + 1) == 'F') { // Icons
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if (*(c + 1) >= '1' && *(c + 1) <= '9') {
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parsedString.replace(c, (c + 2), 1, (*(c + 1) - 48));
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}
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else {
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parsedString.replace(c, (c + 2), 1, (*(c + 1) - 55));
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}
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}
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if (colorChange) {
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colorChanges[c - parsedString.begin()] = newColor;
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}
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}
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}
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}
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return parsedString;
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}
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void TextPass::renderText(std::string text, Font* font, TextJob::AlignmentEnum alignment, glm::vec4 color, glm::mat4 modelMatrix, glm::mat4 projectionMatrix, glm::mat4 viewMatrix)
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void TextPass::renderText(std::string text, Font* font, TextJob::AlignmentEnum alignment, glm::vec4 color, glm::mat4 modelMatrix, glm::mat4 projectionMatrix, glm::mat4 viewMatrix)
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{
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{
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GLfloat penX = 0;
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GLfloat penX = 0;
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@@ -54,16 +142,21 @@ void TextPass::renderText(std::string text, Font* font, TextJob::AlignmentEnum a
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GLfloat stringWidth = 0.f;
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GLfloat stringWidth = 0.f;
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for (std::string::const_iterator c = text.begin(); c != text.end(); c++) {
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std::map<int, glm::vec4> colorChanges;
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std::string parsedText = parseColors(text, colorChanges, color);
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for (std::string::const_iterator c = parsedText.begin(); c != parsedText.end(); c++) {
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Font::Character ch = font->m_Characters[*c];
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Font::Character ch = font->m_Characters[*c];
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stringWidth += (ch.Advance >> 6) * scale;
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stringWidth += (ch.Advance >> 6) * scale;
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}
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}
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if (alignment == TextJob::AlignmentEnum::Center) {
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if (alignment == TextJob::AlignmentEnum::Center) {
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penX = -stringWidth / 2.f;
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penX = -stringWidth / 2.f;
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} else if (alignment == TextJob::AlignmentEnum::Right) {
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}
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else if (alignment == TextJob::AlignmentEnum::Right) {
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penX = -stringWidth;
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penX = -stringWidth;
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} else {
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}
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else {
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penX = 0;
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penX = 0;
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}
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}
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@@ -78,7 +171,13 @@ void TextPass::renderText(std::string text, Font* font, TextJob::AlignmentEnum a
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glBindVertexArray(VAO);
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glBindVertexArray(VAO);
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for (std::string::const_iterator c = text.begin(); c != text.end(); c++) {
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for (std::string::const_iterator c = parsedText.begin(); c != parsedText.end(); c++) {
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auto it = colorChanges.find(c - parsedText.begin());
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if (it != colorChanges.end()) {
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glUniform4fv(glGetUniformLocation(m_TextProgram->GetHandle(), "textColor"), 1, glm::value_ptr(it->second));
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}
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Font::Character ch = font->m_Characters[*c];
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Font::Character ch = font->m_Characters[*c];
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GLfloat xpos = penX + ch.Bearing.x * scale;
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GLfloat xpos = penX + ch.Bearing.x * scale;
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