99 lines
2 KiB
C++
99 lines
2 KiB
C++
#include "ToolRotate.h"
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#include <GL/gl.h>
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ToolRotate::ToolRotate(EditManager *editManager) : Renderer(editManager), sidebar(editManager) {
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this->editManager = editManager;
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pressed = false;
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image = gtk_image_new_from_stock(GTK_STOCK_MISSING_IMAGE, GTK_ICON_SIZE_BUTTON);
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g_object_ref_sink(G_OBJECT(image));
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}
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ToolRotate::~ToolRotate() {
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g_object_unref(G_OBJECT(image));
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}
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void ToolRotate::activate() {
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pressed = false;
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editManager->highlightHoveredObject();
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editManager->setSelectedObject(NULL);
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}
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bool ToolRotate::buttonPress(unsigned int button) {
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if(button != 1 || !editManager->getHoveredObject())
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return false;
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pressed = true;
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valid = false;
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v0 = v = *editManager->getHoveredVertex();
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editManager->setSelectedObject(editManager->getHoveredObject());
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editManager->redraw();
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sidebar.update();
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return true;
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}
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bool ToolRotate::buttonRelease(unsigned int button) {
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if(button != 1)
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return false;
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pressed = false;
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editManager->setSelectedObject(NULL);
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editManager->redraw();
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sidebar.update();
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return true;
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}
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bool ToolRotate::motion() {
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if(!pressed) {
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editManager->highlightHoveredObject();
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return true;
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}
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if(!editManager->getHoveredVertex())
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return false;
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v = *editManager->getHoveredVertex();
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float a = atan2((v-v0).getY(), (v-v0).getX());
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if(v0.distanceSq(v) > 0.04f) {
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if(valid)
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editManager->getSelectedObject()->rotate(v0, a-angle);
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else
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valid = true;
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}
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else
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valid = false;
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angle = a;
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return false;
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}
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void ToolRotate::render(const Level &level, const Rectangle &rect, float scale) {
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Renderer::render(level, rect, scale);
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if(pressed && valid) {
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glLineWidth(1.0f);
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glColor4f(1.0f, 1.0f, 1.0f, 0.7f);
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drawCircleDotted(v0, v0.distance(v), 64, 16, angle);
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glLineWidth(2.0f);
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glBegin(GL_LINES);
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glVertex2f(v0.getX(), v0.getY());
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glVertex2f(v.getX(), v.getY());
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glEnd();
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}
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}
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