git mv Code\Sandbox\Editor Code/Editor

Signed-off-by: Esteban Papp <81431996+amznestebanpapp@users.noreply.github.com>
2021-06-29 12:41:59 -07:00
parent 9f0bbf3b74
commit e34e36cb35
1415 changed files with 0 additions and 0 deletions
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+/*
+ * Copyright (c) Contributors to the Open 3D Engine Project
+ * 
+ * SPDX-License-Identifier: Apache-2.0 OR MIT
+ *
+ */
+
+
+#ifndef CRYINCLUDE_EDITOR_CONTROLS_WNDGRIDHELPER_H
+#define CRYINCLUDE_EDITOR_CONTROLS_WNDGRIDHELPER_H
+#pragma once
+
+#include <QPoint>
+#include <QRect>
+#include "Cry_Vector2.h"
+
+//////////////////////////////////////////////////////////////////////////
+class CWndGridHelper
+{
+public:
+    Vec2 zoom;
+    Vec2 origin;
+    Vec2 step;
+    Vec2 pixelsPerGrid;
+    int nMajorLines;
+    QRect rect;
+    QPoint nMinPixelsPerGrid;
+    QPoint nMaxPixelsPerGrid;
+    //////////////////////////////////////////////////////////////////////////
+    QPoint firstGridLine;
+    QPoint numGridLines;
+
+    //////////////////////////////////////////////////////////////////////////
+    CWndGridHelper()
+    {
+        zoom = Vec2(1, 1);
+        step = Vec2(10, 10);
+        pixelsPerGrid = Vec2(10, 10);
+        origin = Vec2(0, 0);
+        nMajorLines = 10;
+        nMinPixelsPerGrid = QPoint(50, 10);
+        nMaxPixelsPerGrid = QPoint(100, 20);
+        firstGridLine = QPoint(0, 0);
+        numGridLines = QPoint(0, 0);
+    }
+
+    //////////////////////////////////////////////////////////////////////////
+    Vec2 ClientToWorld(const QPoint& point)
+    {
+        Vec2 v;
+        v.x = (point.x() - rect.left()) / zoom.x + origin.x;
+        v.y = (point.y() - rect.top()) / zoom.y + origin.y;
+        return v;
+    }
+    //////////////////////////////////////////////////////////////////////////
+   QPoint WorldToClient(Vec2 v)
+    {
+        QPoint p(aznumeric_cast<int>(floor((v.x - origin.x) * zoom.x + 0.5f) + rect.left()),
+            aznumeric_cast<int>(floor((v.y - origin.y) * zoom.y + 0.5f) + rect.top()));
+        return p;
+    }
+
+    void SetOrigin(Vec2 neworigin)
+    {
+        origin = neworigin;
+    }
+    void SetZoom(Vec2 newzoom)
+    {
+        zoom = newzoom;
+    }
+    //////////////////////////////////////////////////////////////////////////
+    void SetZoom(Vec2 newzoom, const QPoint& center)
+    {
+        if (newzoom.x < 0.01f)
+        {
+            newzoom.x = 0.01f;
+        }
+        if (newzoom.y < 0.01f)
+        {
+            newzoom.y = 0.01f;
+        }
+
+        Vec2 prevz = zoom;
+
+        // Zoom to mouse position.
+        float ofsx = origin.x;
+        float ofsy = origin.y;
+
+        Vec2 z1 = zoom;
+        Vec2 z2 = newzoom;
+
+        zoom = newzoom;
+
+        // Calculate new offset to center zoom on mouse.
+        float x2 = aznumeric_cast<float>(center.x() - rect.left());
+        float y2 = aznumeric_cast<float>(center.y() - rect.top());
+        ofsx = -(x2 / z2.x - x2 / z1.x - ofsx);
+        ofsy = -(y2 / z2.y - y2 / z1.y - ofsy);
+        origin.x = ofsx;
+        origin.y = ofsy;
+    }
+    void CalculateGridLines()
+    {
+        pixelsPerGrid.x = zoom.x;
+        pixelsPerGrid.y = zoom.y;
+
+        step = Vec2(1.00f, 1.00f);
+        nMajorLines = 2;
+
+        int griditers;
+        if (pixelsPerGrid.x <= nMinPixelsPerGrid.x())
+        {
+            griditers = 0;
+            while (pixelsPerGrid.x <= nMinPixelsPerGrid.x() && griditers++ < 1000)
+            {
+                step.x = step.x * nMajorLines;
+                pixelsPerGrid.x = step.x * zoom.x;
+            }
+        }
+        else
+        {
+            griditers = 0;
+            while (pixelsPerGrid.x >= nMaxPixelsPerGrid.x() && griditers++ < 1000)
+            {
+                step.x = step.x / nMajorLines;
+                pixelsPerGrid.x = step.x * zoom.x;
+            }
+        }
+
+        if (pixelsPerGrid.y <= nMinPixelsPerGrid.y())
+        {
+            griditers = 0;
+            while (pixelsPerGrid.y <= nMinPixelsPerGrid.y() && griditers++ < 1000)
+            {
+                step.y = step.y * nMajorLines;
+                pixelsPerGrid.y = step.y * zoom.y;
+            }
+        }
+        else
+        {
+            griditers = 0;
+            while (pixelsPerGrid.y >= nMaxPixelsPerGrid.y() && griditers++ < 1000)
+            {
+                step.y = step.y / nMajorLines;
+                pixelsPerGrid.y = step.y * zoom.y;
+            }
+        }
+
+        firstGridLine.rx() = aznumeric_cast<int>(origin.x / step.x);
+        firstGridLine.ry() = aznumeric_cast<int>(origin.y / step.y);
+
+        numGridLines.rx() = aznumeric_cast<int>((rect.width() / zoom.x) / step.x + 1);
+        numGridLines.ry() = aznumeric_cast<int>((rect.height() / zoom.y) / step.y + 1);
+    }
+    int GetGridLineX(int nGridLineX) const
+    {
+        return aznumeric_cast<int>(floor((nGridLineX * step.x - origin.x) * zoom.x + 0.5f));
+    }
+    int GetGridLineY(int nGridLineY) const
+    {
+        return aznumeric_cast<int>(floor((nGridLineY * step.y - origin.y) * zoom.y + 0.5f));
+    }
+    float GetGridLineXValue(int nGridLineX) const
+    {
+        return (nGridLineX * step.x);
+    }
+    float GetGridLineYValue(int nGridLineY) const
+    {
+        return (nGridLineY * step.y);
+    }
+};
+
+#endif // CRYINCLUDE_EDITOR_CONTROLS_WNDGRIDHELPER_H