managed old tutorial implementation with classes.

Bugs: nothing is displayed
2016-09-06 15:15:29 +02:00
commit 847b3cdee8
31 changed files with 1168 additions and 0 deletions
--- a/MshViewer/Source/callback.cpp
+++ b/MshViewer/Source/callback.cpp
@@ -0,0 +1,103 @@
+//#include "callback.h"
+#include <gl\glew.h>
+#include <gl\glfw3.h>
+#include "OpenGLController.h"
+
+
+#define GLFW_KEY_PLUS_GER GLFW_KEY_RIGHT_BRACKET
+#define GLFW_KEY_MINUS_GER GLFW_KEY_SLASH
+
+struct {
+	double posX;
+	double posY;
+	bool leftHold;
+	bool middleHold;
+	bool rightHold;
+	double speed = 1;
+} mouse;
+
+
+void windowResize(GLFWwindow * window, int width, int height)
+{
+	OpenGLController* controller = reinterpret_cast<OpenGLController*>(glfwGetWindowUserPointer(window));
+
+	controller->resize(width, height);
+
+	glViewport(0, 0, width, height);
+}
+
+void mouseButton(GLFWwindow *window, int button, int action, int mod)
+{
+	if (button == GLFW_MOUSE_BUTTON_LEFT && action == GLFW_PRESS)
+	{
+		mouse.leftHold = true;
+		glfwGetCursorPos(window, &mouse.posX, &mouse.posY);
+	}
+	else if (button == GLFW_MOUSE_BUTTON_LEFT && action == GLFW_RELEASE)
+	{
+		mouse.leftHold = false;
+	}
+
+	if (button == GLFW_MOUSE_BUTTON_RIGHT && action == GLFW_PRESS)
+	{
+		mouse.rightHold = true;
+		glfwGetCursorPos(window, &mouse.posX, &mouse.posY);
+	}
+	else if (button == GLFW_MOUSE_BUTTON_RIGHT && action == GLFW_RELEASE)
+	{
+		mouse.rightHold = false;
+	}
+}
+
+void mouseMove(GLFWwindow *window, double xpos, double ypos)
+{
+	OpenGLController* controller = reinterpret_cast<OpenGLController*>(glfwGetWindowUserPointer(window));
+
+	if (mouse.leftHold)
+	{
+		controller->addRotX(static_cast<float>((ypos - mouse.posY) * 0.01 * mouse.speed));
+		controller->addRotY(static_cast<float>((xpos - mouse.posX) * 0.01 * mouse.speed));
+
+		mouse.posX = xpos;
+		mouse.posY = ypos;
+	}
+
+	if (mouse.rightHold)
+	{
+		controller->addTransX(-(xpos - mouse.posX) * 0.01 * mouse.speed);
+		controller->addTransY((ypos - mouse.posY) * 0.01 * mouse.speed);
+
+		mouse.posX = xpos;
+		mouse.posY = ypos;
+	}
+}
+
+void mouseWheel(GLFWwindow *window, double xoffset, double yoffset)
+{
+	OpenGLController* controller = reinterpret_cast<OpenGLController*>(glfwGetWindowUserPointer(window));
+
+	controller->addTransZ(-yoffset * 0.5 * mouse.speed);
+}
+
+void keyPress(GLFWwindow *window, int key, int scancode, int action, int mods)
+{
+	if (action == GLFW_PRESS || action == GLFW_REPEAT)
+	{
+		switch (key)
+		{
+		case GLFW_KEY_ESCAPE:
+			glfwSetWindowShouldClose(window, GLFW_TRUE);
+			break;
+		case GLFW_KEY_MINUS_GER: case GLFW_KEY_KP_SUBTRACT:
+			mouse.speed -= 0.1;
+			if (mouse.speed < 0.1)
+				mouse.speed = 0;
+			break;
+		case GLFW_KEY_PLUS_GER: case GLFW_KEY_KP_ADD:
+			mouse.speed += 0.1;
+			break;
+		default:
+			break;
+		}
+	}
+}