feat: add shader class

src/shader.cpp

@@ -0,0 +1,80 @@
+#include <Cubed/shader.hpp>
+#include <Cubed/tools/cubed_assert.hpp>
+#include <Cubed/tools/cubed_hash.hpp>
+#include <Cubed/tools/log.hpp>
+#include <Cubed/tools/shader_tools.hpp>
+
+Shader::Shader() {
+
+}
+
+Shader::Shader(const std::string& name, const std::string& v_shader_path, const std::string& f_shader_path) {
+    m_program = Tools::create_shader_program(v_shader_path, f_shader_path);
+    m_name = name;
+    m_hash = HASH::str(name);
+}
+
+Shader::Shader(Shader&& shader) :
+    m_hash(shader.m_hash),
+    m_program(shader.m_program),
+    m_name(std::move(shader.m_name))
+{
+    shader.m_hash = 0;
+    shader.m_program = 0;
+}
+
+Shader::~Shader() {
+    if (m_program) {
+        glDeleteProgram(m_program);
+    }
+}
+
+Shader& Shader::operator=(Shader&& shader) {
+    m_hash = shader.m_hash;
+    m_name = std::move(shader.m_name);
+    m_program = shader.m_program;
+    shader.m_hash = 0;
+    shader.m_program = 0;
+    return *this;
+}
+
+void Shader::create(const std::string& name, const std::string& v_shader_path, const std::string& f_shader_path) {
+    if (!m_program) {
+        LOG::warn("Shader has already created !");
+        return;
+    }
+    m_program = Tools::create_shader_program(v_shader_path, f_shader_path);
+    m_name = name;
+    m_hash = HASH::str(name);
+}
+
+std::size_t Shader::hash() const {
+    if (!m_hash) {
+        LOG::warn("Shader has already created !");
+        return 0;
+    }
+    return m_hash;
+}
+
+GLuint Shader::loc(const std::string& loc) const {
+    CUBED_ASSERT_MSG(m_program != 0, "Shader program not created");
+    GLint pos = glGetUniformLocation(m_program, loc.c_str());
+    if (pos == -1) {
+        LOG::info("Shader name {}, loc name {}, pos {}", m_name, loc, pos);
+        CUBED_ASSERT_MSG(pos == -1, "Can't find UniformLocation");
+    }
+    return static_cast<GLuint>(pos);
+}
+
+const std::string& Shader::name() const {
+    if (m_name == "-1") {
+        LOG::warn("Shader has already created !");
+        
+    }
+    return m_name;
+}
+
+void Shader::use() const{
+    CUBED_ASSERT_MSG(m_program, "Shader don't create !");
+    glUseProgram(m_program);
+}