added input system

TSE_GlfwImpl/src/InputGlfw.cpp

@@ -0,0 +1,111 @@
+#include "InputGlfw.hpp"
+
+void TSE::InputGlfw::Init()
+{
+    Instance = new InputGlfw();
+}
+
+void TSE::InputGlfw::Delete()
+{
+    delete(Instance);
+}
+
+void TSE::InputGlfw::KeyCallback(GLFWwindow *window, int key, int scancode, int action, int mods)
+{
+    switch (action)
+    {
+    case 1: //down
+        for(auto handler : ((InputGlfw*)instance())->keyHandler)
+        {
+            handler->OnKeyDown((Key)key, (Modifier)mods);
+        }
+        break;
+    case 0: //up
+        for(auto handler : ((InputGlfw*)instance())->keyHandler)
+        {
+            handler->OnKeyUp((Key)key, (Modifier)mods);
+        }
+        break;
+    case 2: //hold
+        for(auto handler : ((InputGlfw*)instance())->keyHandler)
+        {
+            handler->OnKeyHold((Key)key, (Modifier)mods);
+        }
+        break;
+    }
+}
+
+void TSE::InputGlfw::MouseButtonCallback(GLFWwindow *window, int button, int action, int mods)
+{
+    switch (action)
+    {
+    case 1: //down
+        for(auto handler : ((InputGlfw*)instance())->cursorHandler)
+        {
+            handler->OnMouseButtonDown((MouseBtn)button, (Modifier)mods);
+        }
+        break;
+    case 0: //up
+        for(auto handler : ((InputGlfw*)instance())->cursorHandler)
+        {
+            handler->OnMouseButtonUp((MouseBtn)button, (Modifier)mods);
+        }
+        break;
+    case 2: //hold
+        for(auto handler : ((InputGlfw*)instance())->cursorHandler)
+        {
+            handler->OnMouseButtonHold((MouseBtn)button, (Modifier)mods);
+        }
+        break;
+    }
+}
+
+void TSE::InputGlfw::CursorPosCallback(GLFWwindow *window, double xpos, double ypos)
+{
+    for(auto handler : ((InputGlfw*)instance())->cursorHandler)
+    {
+        handler->OnMousePosition(Vector2(xpos, ypos));
+    }
+}
+
+void TSE::InputGlfw::ScrollCallback(GLFWwindow *window, double xoffset, double yoffset)
+{
+    for(auto handler : ((InputGlfw*)instance())->cursorHandler)
+    {
+        handler->OnMouseScroll(Vector2(xoffset, yoffset));
+    }
+}
+
+std::string UTF32ToUTF8(char32_t ch)
+{
+    std::string result;
+    if (ch <= 0x7F)
+        result += static_cast<char>(ch);
+    else if (ch <= 0x7FF) {
+        result += static_cast<char>(0xC0 | ((ch >> 6) & 0x1F));
+        result += static_cast<char>(0x80 | (ch & 0x3F));
+    }
+    else if (ch <= 0xFFFF) {
+        result += static_cast<char>(0xE0 | ((ch >> 12) & 0x0F));
+        result += static_cast<char>(0x80 | ((ch >> 6) & 0x3F));
+        result += static_cast<char>(0x80 | (ch & 0x3F));
+    }
+    else if (ch <= 0x10FFFF) {
+        result += static_cast<char>(0xF0 | ((ch >> 18) & 0x07));
+        result += static_cast<char>(0x80 | ((ch >> 12) & 0x3F));
+        result += static_cast<char>(0x80 | ((ch >> 6) & 0x3F));
+        result += static_cast<char>(0x80 | (ch & 0x3F));
+    }
+    return result;
+}
+
+void TSE::InputGlfw::CharCallback(GLFWwindow *window, unsigned int codepoint)
+{
+        char32_t c = static_cast<char32_t>(codepoint);
+        std::string msg = UTF32ToUTF8(c);
+
+        for(auto handler : ((InputGlfw*)instance())->keyHandler)
+        {
+            handler->OnChar(msg);
+        }
+}