feat: add text class

include/Cubed/ui/color.hpp

@@ -0,0 +1,65 @@
+#pragma once
+#include <Cubed/tools/cubed_assert.hpp>
+#include <glm/glm.hpp>
+
+enum class Color {
+    BLACK,
+    WHITE,
+    RED,
+    GREEN,
+    BLUE,
+    YELLOW,
+    CYAN,
+    MAGENTA,
+    GRAY,
+    ORANGE,
+    PURPLE,
+    PINK,
+    BROWN
+};
+
+inline constexpr glm::vec4 color_value(Color color) {
+    using glm::vec4;
+
+    switch (color) {
+        case Color::BLACK:
+            return vec4{0.0f, 0.0f, 0.0f, 1.0f};
+        case Color::WHITE:
+            return vec4{1.0f, 1.0f, 1.0f, 1.0f};
+        case Color::RED:
+            return vec4{1.0f, 0.0f, 0.0f, 1.0f};
+        case Color::GREEN:
+            return vec4{0.0f, 1.0f, 0.0f, 1.0f};
+        case Color::BLUE:
+            return vec4{0.0f, 0.0f, 1.0f, 1.0f};
+        case Color::YELLOW:
+            return vec4{1.0f, 1.0f, 0.0f, 1.0f};
+        case Color::CYAN:
+            return vec4{0.0f, 1.0f, 1.0f, 1.0f};
+        case Color::MAGENTA:
+            return vec4{1.0f, 0.0f, 1.0f, 1.0f};
+        case Color::GRAY:
+            return vec4{0.5f, 0.5f, 0.5f, 1.0f};
+        case Color::ORANGE:
+            return vec4{1.0f, 0.647f, 0.0f, 1.0f};
+        case Color::PURPLE:
+            return vec4{0.502f, 0.0f, 0.502f, 1.0f};
+        case Color::PINK:
+            return vec4{1.0f, 0.753f, 0.769f, 1.0f};
+        case Color::BROWN:
+            return vec4{0.647f, 0.165f, 0.165f, 1.0f};
+        default:
+            CUBED_ASSERT_MSG(false, "Unknown Color");
+            return vec4{1.0f, 1.0f, 1.0f, 1.0f};       
+    }
+    
+}
+
+inline glm::vec4 rgb255_to_float(int r, int g, int b, int a) {
+    float nr = static_cast<float>(r) / 255.0f;
+    float ng = static_cast<float>(g) / 255.0f;
+    float nb = static_cast<float>(b) / 255.0f;
+    float na = static_cast<float>(a) / 255.0f;
+
+    return glm::vec4{nr, ng, nb, na};
+}

include/Cubed/ui/text.hpp

@@ -0,0 +1,46 @@
+#pragma once
+
+#include <glad/glad.h>
+#include <glm/glm.hpp>
+#include <string>
+#include <vector>
+
+#include <Cubed/config.hpp>
+#include <Cubed/ui/color.hpp>
+
+class Shader;
+
+class Text {
+public:
+    Text();
+    Text(std::string_view str, glm::vec2 pos = glm::vec2{0.0f, 0.0f}, Color color = Color::BLACK);
+    ~Text();
+
+    Text& color(Color color);
+    //Text& color(const glm::vec4& color, int pos);
+    Text& position(float x, float y);
+    Text& scale(float s);
+    static void set_loc(const Shader& shader);
+    Text& text(std::string_view str);
+    
+
+    void render();
+
+private:
+    float m_scale = 1.0f;
+    glm::vec2 m_pos{0.0f, 0.0f};
+
+    std::string m_name;
+    std::string m_text;
+    glm::vec4 m_color{1.0f, 1.0f, 1.0f, 1.0f};
+    glm::mat4 m_model_matrix;
+    
+    std::vector<Vertex2D> m_vertices;
+    GLuint m_vbo = 0;
+    static inline GLuint m_color_loc = 0;
+    static inline GLuint m_mv_loc = 0;
+
+    void update_vertices();
+    void upload_to_gpu();
+
+};