SWBF2-Classic-Msh-Viewer/MshViewer/Source/callback.cpp

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#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;
}
}
}
void dragNdrop(GLFWwindow* window, int count, const char** paths)
{
OpenGLController* controller = reinterpret_cast<OpenGLController*>(glfwGetWindowUserPointer(window));
if(count > 0)
controller->loadMsh(paths[0]);
}