diff --git a/include/Engine/Rendering/TextPass.h b/include/Engine/Rendering/TextPass.h index 8fbb3df0..bb11e5b7 100644 --- a/include/Engine/Rendering/TextPass.h +++ b/include/Engine/Rendering/TextPass.h @@ -23,6 +23,7 @@ public: private: void renderText(std::string text, Font* font, TextJob::AlignmentEnum alignment, glm::vec4 color, glm::mat4 modelMatrix, glm::mat4 projectionMatrix, glm::mat4 viewMatrix); + std::string parseColors(std::string text, std::map& colorChanges, glm::vec4 originalColor); Font* font; GLuint VAO, VBO; diff --git a/src/Engine/Rendering/TextPass.cpp b/src/Engine/Rendering/TextPass.cpp index 9583fcfd..71a1c405 100644 --- a/src/Engine/Rendering/TextPass.cpp +++ b/src/Engine/Rendering/TextPass.cpp @@ -16,7 +16,7 @@ void TextPass::Initialize() glVertexAttribPointer(0, 4, GL_FLOAT, GL_FALSE, 4 * sizeof(GLfloat), 0); glBindBuffer(GL_ARRAY_BUFFER, 0); glBindVertexArray(0); - + m_TextProgram = ResourceManager::Load("#TextProgram"); m_TextProgram->AddShader(std::shared_ptr(new VertexShader("Shaders/Text.vert.glsl"))); m_TextProgram->AddShader(std::shared_ptr(new FragmentShader("Shaders/Text.frag.glsl"))); @@ -46,6 +46,83 @@ void TextPass::Draw(RenderScene& scene, FrameBuffer& frameBuffer) delete state; } +std::string TextPass::parseColors(std::string text, std::map& colorChanges, glm::vec4 originalColor) +{ + std::string parsedString = text; + glm::vec4 newColor = originalColor; + bool colorChange = false; + + for (std::string::const_iterator c = parsedString.begin(); c != parsedString.end(); c++) { + if (*c == char(92)) { // Backlash + if (*(c + 1) == char('C')) { // C for Color + bool hasCorrectFormat = true; + + for (std::string::const_iterator colorC = c + 2; colorC != c + 8; colorC++) { + if (*colorC < '0' || *colorC > 'F') { + hasCorrectFormat = false; + break; + } + } + + if (hasCorrectFormat == true) { + colorChange = true; + + std::array hexToInt = { + std::stoi(std::string(c + 2, c + 4), 0, 16), + std::stoi(std::string(c + 4, c + 6), 0, 16), + std::stoi(std::string(c + 6, c + 8), 0, 16) + }; + + newColor = glm::vec4( + float(hexToInt[0]) / 255.f, + float(hexToInt[1]) / 255.f, + float(hexToInt[2]) / 255.f, + newColor.a); + + parsedString.erase(c, (c + 8)); + } + } + + if (*(c + 1) == char('A')) { // A for Alpha + bool hasCorrectFormat = true; + + for (std::string::const_iterator colorC = c + 2; colorC != c + 4; colorC++) { + if (*colorC < '0' || *colorC > 'F') { + hasCorrectFormat = false; + break; + } + + if (hasCorrectFormat == true) { + colorChange = true; + + int hexToInt = std::stoi(std::string(c + 2, c + 4), 0, 16); + + newColor = glm::vec4( + newColor.r, + newColor.g, + newColor.b, + float(hexToInt) / 255.f); + + parsedString.erase(c, (c + 4)); + } + } + } + + if (*(c + 1) > '0' && *(c + 1) < '9') { // Icons + parsedString.replace(c, (c + 2), 1, (*(c + 1) - 48)); + } + + if (colorChange) { + colorChanges[c - parsedString.begin()] = newColor; + } + } + } + + + + return parsedString; +} + void TextPass::renderText(std::string text, Font* font, TextJob::AlignmentEnum alignment, glm::vec4 color, glm::mat4 modelMatrix, glm::mat4 projectionMatrix, glm::mat4 viewMatrix) { GLfloat penX = 0; @@ -54,10 +131,13 @@ void TextPass::renderText(std::string text, Font* font, TextJob::AlignmentEnum a GLfloat stringWidth = 0.f; - for (std::string::const_iterator c = text.begin(); c != text.end(); c++) { - Font::Character ch = font->m_Characters[*c]; - stringWidth += (ch.Advance >> 6) * scale; - } + std::map colorChanges; + std::string parsedText = parseColors(text, colorChanges, color); + + for (std::string::const_iterator c = parsedText.begin(); c != parsedText.end(); c++) { + Font::Character ch = font->m_Characters[*c]; + stringWidth += (ch.Advance >> 6) * scale; + } if(alignment == TextJob::AlignmentEnum::Center) { penX = -stringWidth/2.f; @@ -78,7 +158,13 @@ void TextPass::renderText(std::string text, Font* font, TextJob::AlignmentEnum a glBindVertexArray(VAO); - for (std::string::const_iterator c = text.begin(); c != text.end(); c++) { + for (std::string::const_iterator c = parsedText.begin(); c != parsedText.end(); c++) { + + auto it = colorChanges.find(c - parsedText.begin()); + if (it != colorChanges.end()) { + glUniform4fv(glGetUniformLocation(m_TextProgram->GetHandle(), "textColor"), 1, glm::value_ptr(it->second)); + } + Font::Character ch = font->m_Characters[*c]; GLfloat xpos = penX + ch.Bearing.x * scale;