mirror of
https://github.com/BlackMATov/unity-iso-tools.git
synced 2025-12-14 17:09:31 +07:00
364 lines
11 KiB
C#
364 lines
11 KiB
C#
using UnityEngine;
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using System.Collections.Generic;
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#if UNITY_5_5_OR_NEWER
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using UnityEngine.Profiling;
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#endif
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namespace IsoTools.Internal {
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public class IsoScreenSolver {
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Vector2 _minIsoXY = Vector2.zero;
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IsoAssocList<IsoObject> _oldVisibles = new IsoAssocList<IsoObject>();
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IsoAssocList<IsoObject> _curVisibles = new IsoAssocList<IsoObject>();
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IsoQuadTree<IsoObject> _quadTree = new IsoQuadTree<IsoObject>(47);
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IsoGrid<IsoObject> _screenGrid = new IsoGrid<IsoObject>(new IsoGridItemAdapter(), 47);
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IsoQTBoundsLookUpper _qtBoundsLU = new IsoQTBoundsLookUpper();
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IsoQTContentLookUpper _qtContentLU = new IsoQTContentLookUpper();
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IsoGridLookUpper _screenGridLU = new IsoGridLookUpper();
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// ---------------------------------------------------------------------
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//
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// IsoQTBoundsLookUpper
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//
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// ---------------------------------------------------------------------
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class IsoQTBoundsLookUpper : IsoQuadTree<IsoObject>.IBoundsLookUpper {
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public void LookUp(IsoRect bounds) {
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#if UNITY_EDITOR
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IsoUtils.DrawRect(bounds, Color.blue);
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#endif
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}
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}
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// ---------------------------------------------------------------------
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//
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// IsoQTContentLookUpper
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//
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// ---------------------------------------------------------------------
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class IsoQTContentLookUpper : IsoQuadTree<IsoObject>.IContentLookUpper {
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Camera[] _tmpCameras = new Camera[8];
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IsoScreenSolver _screenSolver = null;
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public void LookUp(IsoObject iso_object) {
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iso_object.Internal.Placed = false;
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_screenSolver._oldVisibles.Add(iso_object);
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}
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public void LookUpForVisibility(IsoScreenSolver screen_solver) {
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_screenSolver = screen_solver;
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var cam_count = Camera.GetAllCameras(_tmpCameras);
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for ( var i = 0; i < cam_count; ++i ) {
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var camera = _tmpCameras[i];
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var vp_rect = camera.rect;
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var wrl_min = camera.ViewportToWorldPoint(new Vector3(vp_rect.xMin, vp_rect.yMin));
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var wrl_max = camera.ViewportToWorldPoint(new Vector3(vp_rect.xMax, vp_rect.yMax));
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_screenSolver._quadTree.VisitItemsByBounds(new IsoRect(wrl_min, wrl_max), this);
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}
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_screenSolver = null;
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System.Array.Clear(_tmpCameras, 0, _tmpCameras.Length);
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}
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}
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// ---------------------------------------------------------------------
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//
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// IsoGridItemAdapter
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//
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// ---------------------------------------------------------------------
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class IsoGridItemAdapter : IsoGrid<IsoObject>.IItemAdapter {
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public IsoRect GetBounds(IsoObject item) {
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return item.Internal.ScreenBounds;
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}
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public void SetMinMaxCells(IsoObject item, IsoPoint2 min, IsoPoint2 max) {
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item.Internal.MinGridCell = min;
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item.Internal.MaxGridCell = max;
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}
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public void GetMinMaxCells(IsoObject item, ref IsoPoint2 min, ref IsoPoint2 max) {
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min = item.Internal.MinGridCell;
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max = item.Internal.MaxGridCell;
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}
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}
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// ---------------------------------------------------------------------
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//
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// IsoGridLookUpper
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//
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// ---------------------------------------------------------------------
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class IsoGridLookUpper : IsoGrid<IsoObject>.ILookUpper {
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IsoObject _isoObject;
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public void LookUp(IsoList<IsoObject> items) {
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LookUpCellForLDepends(_isoObject, items);
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LookUpCellForRDepends(_isoObject, items);
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}
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public void LookUpForDepends(
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IsoScreenSolver screen_solver, IsoObject iso_object)
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{
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_isoObject = iso_object;
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screen_solver._screenGrid.LookUpCells(
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iso_object.Internal.MinGridCell,
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iso_object.Internal.MaxGridCell,
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this);
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_isoObject = null;
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}
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}
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// ---------------------------------------------------------------------
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//
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// Properties
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//
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// ---------------------------------------------------------------------
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public Vector2 minIsoXY {
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get { return _minIsoXY; }
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}
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public IsoAssocList<IsoObject> oldVisibles {
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get { return _oldVisibles; }
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}
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public IsoAssocList<IsoObject> curVisibles {
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get { return _curVisibles; }
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}
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// ---------------------------------------------------------------------
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//
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// Callbacks
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//
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// ---------------------------------------------------------------------
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public void OnAddInstance(IsoObject iso_object) {
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_quadTree.AddItem(
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iso_object.Internal.ScreenBounds,
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iso_object);
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}
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public void OnRemoveInstance(IsoObject iso_object) {
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_oldVisibles.Remove(iso_object);
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_curVisibles.Remove(iso_object);
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_quadTree.RemoveItem(iso_object);
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ClearIsoObjectDepends(iso_object);
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}
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public bool OnMarkDirtyInstance(IsoObject iso_object) {
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_quadTree.MoveItem(
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iso_object.Internal.ScreenBounds,
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iso_object);
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if ( !iso_object.Internal.Dirty && _curVisibles.Contains(iso_object) ) {
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iso_object.Internal.Dirty = true;
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return true;
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}
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return false;
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}
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#if UNITY_EDITOR
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public void OnDrawGizmos(IsoWorld iso_world) {
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_quadTree.VisitAllBounds(_qtBoundsLU);
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/*
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for ( int y = 0, ye = (int)_sectorsNumPosCount.y; y < ye; ++y ) {
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for ( int x = 0, xe = (int)_sectorsNumPosCount.x; x < xe; ++x ) {
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var sector = FindSector((float)x, (float)y);
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if ( sector != null && sector.objects.Count > 0 ) {
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var rect = new IsoRect(
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(x * _sectorsSize),
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(y * _sectorsSize),
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(x * _sectorsSize) + _sectorsSize,
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(y * _sectorsSize) + _sectorsSize);
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rect.Translate(_sectorsMinNumPos * _sectorsSize);
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IsoUtils.DrawRect(rect, Color.blue);
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}
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}}*/
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}
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#endif
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// ---------------------------------------------------------------------
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//
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// Functions
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//
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// ---------------------------------------------------------------------
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public void StepSortingAction(IsoWorld iso_world, IsoAssocList<IsoObject> instances) {
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Profiler.BeginSample("IsoScreenSolver.ResolveVisibles");
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ResolveVisibles(instances);
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Profiler.EndSample();
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Profiler.BeginSample("IsoScreenSolver.ResolveVisibleGrid");
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ResolveVisibleGrid(iso_world);
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Profiler.EndSample();
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}
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public void PostStepSortingAction() {
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}
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public void Clear() {
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_oldVisibles.Clear();
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_curVisibles.Clear();
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_quadTree.Clear();
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_screenGrid.ClearGrid();
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}
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public void SetupIsoObjectDepends(IsoObject iso_object) {
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ClearIsoObjectDepends(iso_object);
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_screenGridLU.LookUpForDepends(this, iso_object);
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}
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public void ClearIsoObjectDepends(IsoObject iso_object) {
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var their_depends = iso_object.Internal.TheirDepends;
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for ( int i = 0, e = their_depends.Count; i < e; ++i ) {
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var their_iso_object = their_depends[i];
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if ( !their_iso_object.Internal.Dirty ) {
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their_iso_object.Internal.SelfDepends.Remove(iso_object);
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}
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}
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iso_object.Internal.SelfDepends.Clear();
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iso_object.Internal.TheirDepends.Clear();
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}
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// ---------------------------------------------------------------------
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//
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// ResolveVisibles
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//
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// ---------------------------------------------------------------------
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void ResolveVisibles(IsoAssocList<IsoObject> instances) {
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Profiler.BeginSample("ProcessAllInstances");
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ProcessAllInstances(instances);
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Profiler.EndSample();
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Profiler.BeginSample("ProcessNewVisibles");
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ProcessNewVisibles();
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Profiler.EndSample();
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}
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void ProcessAllInstances(IsoAssocList<IsoObject> instances) {
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if ( instances.Count > 0 ) {
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_minIsoXY.Set(float.MaxValue, float.MaxValue);
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for ( int i = 0, e = instances.Count; i < e; ++i ) {
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var iso_object = instances[i];
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var object_pos = iso_object.position;
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if ( _minIsoXY.x > object_pos.x ) {
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_minIsoXY.x = object_pos.x;
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}
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if ( _minIsoXY.y > object_pos.y ) {
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_minIsoXY.y = object_pos.y;
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}
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if ( !IsoUtils.Vec2Approximately(
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iso_object.Internal.LastTrans,
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iso_object.Internal.Transform.position) )
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{
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iso_object.FixIsoPosition();
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}
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}
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} else {
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_minIsoXY.Set(0.0f, 0.0f);
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}
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}
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void ProcessNewVisibles() {
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_oldVisibles.Clear();
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_qtContentLU.LookUpForVisibility(this);
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SwapCurrentVisibles();
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}
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void SwapCurrentVisibles() {
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var swap_tmp = _curVisibles;
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_curVisibles = _oldVisibles;
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_oldVisibles = swap_tmp;
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}
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// ---------------------------------------------------------------------
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//
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// ResolveVisibleGrid
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//
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// ---------------------------------------------------------------------
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void ResolveVisibleGrid(IsoWorld iso_world) {
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_screenGrid.ClearItems();
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for ( int i = 0, e = _curVisibles.Count; i < e; ++i ) {
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var iso_object = _curVisibles[i];
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_screenGrid.AddItem(iso_object);
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}
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var min_sector_size = IsoUtils.Vec2MaxF(
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iso_world.IsoToScreen(IsoUtils.vec3OneXY) -
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iso_world.IsoToScreen(Vector3.zero));
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_screenGrid.RebuildGrid(min_sector_size);
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}
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// ---------------------------------------------------------------------
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//
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// LookUpCellForDepends
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//
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// ---------------------------------------------------------------------
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static void LookUpCellForLDepends(IsoObject obj_a, IsoList<IsoObject> others) {
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for ( int i = 0, e = others.Count; i < e; ++i ) {
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var obj_b = others[i];
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if ( obj_a != obj_b && !obj_b.Internal.Dirty && IsIsoObjectDepends(obj_a, obj_b) ) {
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obj_a.Internal.SelfDepends.Add(obj_b);
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obj_b.Internal.TheirDepends.Add(obj_a);
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}
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}
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}
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static void LookUpCellForRDepends(IsoObject obj_a, IsoList<IsoObject> others) {
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for ( int i = 0, e = others.Count; i < e; ++i ) {
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var obj_b = others[i];
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if ( obj_a != obj_b && !obj_b.Internal.Dirty && IsIsoObjectDepends(obj_b, obj_a) ) {
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obj_b.Internal.SelfDepends.Add(obj_a);
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obj_a.Internal.TheirDepends.Add(obj_b);
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}
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}
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}
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static bool IsIsoObjectDepends(IsoObject a, IsoObject b) {
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return
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a.Internal.ScreenBounds.Overlaps(b.Internal.ScreenBounds) &&
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IsIsoObjectDepends(a.position, a.size, b.position, b.size);
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}
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static bool IsIsoObjectDepends(Vector3 a_min, Vector3 a_size, Vector3 b_min, Vector3 b_size) {
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var a_max = a_min + a_size;
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var b_max = b_min + b_size;
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var a_yesno = a_max.x > b_min.x && a_max.y > b_min.y && b_max.z > a_min.z;
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if ( a_yesno ) {
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var b_yesno = b_max.x > a_min.x && b_max.y > a_min.y && a_max.z > b_min.z;
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if ( b_yesno ) {
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//var da_p = new Vector3(a_max.x - b_min.x, a_max.y - b_min.y, b_max.z - a_min.z);
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//var db_p = new Vector3(b_max.x - a_min.x, b_max.y - a_min.y, a_max.z - b_min.z);
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//var dp_p = a_size + b_size - IsoUtils.Vec3Abs(da_p - db_p);
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var dA_x = a_max.x - b_min.x;
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var dA_y = a_max.y - b_min.y;
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var dA_z = b_max.z - a_min.z;
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var dB_x = b_max.x - a_min.x;
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var dB_y = b_max.y - a_min.y;
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var dB_z = a_max.z - b_min.z;
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var dD_x = dB_x - dA_x;
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var dD_y = dB_y - dA_y;
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var dD_z = dB_z - dA_z;
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var dP_x = a_size.x + b_size.x - (dD_x > 0.0f ? dD_x : -dD_x);
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var dP_y = a_size.y + b_size.y - (dD_y > 0.0f ? dD_y : -dD_y);
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var dP_z = a_size.z + b_size.z - (dD_z > 0.0f ? dD_z : -dD_z);
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if ( dP_x <= dP_y && dP_x <= dP_z ) {
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return dA_x > dB_x;
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} else if ( dP_y <= dP_x && dP_y <= dP_z ) {
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return dA_y > dB_y;
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} else {
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return dA_z > dB_z;
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}
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}
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}
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return a_yesno;
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}
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}
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} |