raze/wadsrc/static/zscript/usermapmenu.zs
2021-12-30 09:58:08 +01:00

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/*
** usermap browser
** Adapted from the loadsavemenu code.
**
**---------------------------------------------------------------------------
** Copyright 2001-2010 Randy Heit
** Copyright 2010-2021 Christoph Oelckers
** All rights reserved.
**
** Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions
** are met:
**
** 1. Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** 2. Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in the
** documentation and/or other materials provided with the distribution.
** 3. The name of the author may not be used to endorse or promote products
** derived from this software without specific prior written permission.
**
** THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
** IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
** OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
** IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
** INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
** NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
** THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
**---------------------------------------------------------------------------
**
*/
struct UsermapEntry native
{
native readonly String displayname;
native readonly String container;
native readonly String filename;
native readonly String info;
native readonly int size;
}
struct UsermapDirectory native
{
native readonly String dirname;
native readonly UsermapDirectory parent;
native static UsermapDirectory ReadData();
native int GetNumEntries();
native int GetNumDirectories();
native UsermapEntry GetEntry(int num);
native UsermapDirectory GetDirectory(int num);
String GetInfo(int Selected)
{
if (parent) Selected--;
Selected -= GetNumDirectories();
let entry = GetEntry(Selected);
if (!entry) return "";
if (entry.info.Length() > 0) return String.Format("Map %s: %s\n%s", entry.filename, StringTable.Localize(entry.info), entry.container);
return String.Format("Map %s\n%s", entry.filename, entry.container);
}
void Select(int Selected)
{
}
}
class UsermapMenu : ListMenu
{
UsermapDirectory currentDir;
int TopItem;
int Selected;
int NumTotalEntries;
int previewLeft;
int previewTop;
int previewWidth;
int previewHeight;
int rowHeight;
int listboxLeft;
int listboxTop;
int listboxWidth;
int listboxRows;
int listboxHeight;
int listboxRight;
int commentLeft;
int commentTop;
int commentWidth;
int commentHeight;
int commentRows;
bool mEntering;
double FontScale;
int numparent, numdirs, numentries;
BrokenLines BrokenComment;
Array<int> selects;
// private to this menu to prevent exploits.
private native static void StartMap(UsermapEntry entry);
private native static void DrawPreview(UsermapEntry entry, int left, int top, int width, int height);
//=============================================================================
//
//
//
//=============================================================================
override void Init(Menu parent, ListMenuDescriptor desc)
{
Super.Init(parent, desc);
currentDir = UsermapDirectory.ReadData();
SetSize();
SetWindows();
}
private void SetWindows()
{
bool aspect43 = true;
int Width43 = screen.GetHeight() * 4 / 3;
int Left43 = (screen.GetWidth() - Width43) / 2;
double wScale = Width43 / 640.;
previewLeft = Left43 + int(20 * wScale);
previewTop = int(mDesc.mYpos * screen.GetHeight() / 200);
previewWidth = int(260 * wScale);
previewHeight = int(260 * wScale);
FontScale = max(screen.GetHeight() / 480, 1);
rowHeight = int(max((NewConsoleFont.GetHeight() + 1) * FontScale, 1));
listboxLeft = previewLeft + previewWidth + int(20*wScale);
listboxTop = previewTop;
listboxWidth = Width43 + Left43 - listboxLeft - int(30 * wScale);
int listboxHeight1 = screen.GetHeight() - listboxTop - int(20*wScale);
listboxRows = (listboxHeight1 - 1) / rowHeight;
listboxHeight = listboxRows * rowHeight + 1;
listboxRight = listboxLeft + listboxWidth;
commentLeft = previewLeft;
commentTop = previewTop + previewHeight + int(16 * wScale);
commentWidth = previewWidth;
commentHeight = listboxHeight - previewHeight - int(16 * wScale);
commentRows = commentHeight / rowHeight;
}
//=============================================================================
//
//
//
//=============================================================================
virtual void DrawFrame(int left, int top, int width, int height)
{
let framecolor = Color(255, 80, 80, 80);
Screen.DrawLineFrame(framecolor, left, top, width, height, screen.GetHeight() / 240);
}
void SetSize()
{
numparent = (currentDir.parent != null);
numdirs = currentDir.GetNumDirectories();
numentries = currentDir.GetNumEntries();
NumTotalEntries = numparent + numdirs + numentries;
}
override void Drawer ()
{
Super.Drawer();
int i;
int j;
SetWindows();
DrawFrame(previewLeft, previewTop, previewWidth, previewHeight);
screen.Dim(0, 0.6, previewLeft, previewTop, previewWidth, previewHeight);
if (Selected >= numparent + numdirs)
{
let entry = currentDir.GetEntry(Selected - numparent - numdirs);
DrawPreview(entry, previewLeft, previewTop, previewWidth, previewHeight);
}
// Draw comment area
DrawFrame (commentLeft, commentTop, commentWidth, commentHeight);
screen.Dim(0, 0.6, commentLeft, commentTop, commentWidth, commentHeight);
int numlinestoprint = min(commentRows, BrokenComment? BrokenComment.Count() : 0);
for(int i = 0; i < numlinestoprint; i++)
{
screen.DrawText(NewConsoleFont, Font.CR_ORANGE, commentLeft / FontScale, (commentTop + rowHeight * i) / FontScale, BrokenComment.StringAt(i),
DTA_VirtualWidthF, screen.GetWidth() / FontScale, DTA_VirtualHeightF, screen.GetHeight() / FontScale, DTA_KeepRatio, true);
}
// Draw file area
DrawFrame (listboxLeft, listboxTop, listboxWidth, listboxHeight);
screen.Dim(0, 0.6, listboxLeft, listboxTop, listboxWidth, listboxHeight);
/*
if (NumTotalEntries == 0)
{
String text = Stringtable.Localize("$MNU_NOFILES");
int textlen = int(NewConsoleFont.StringWidth(text) * FontScale);
screen.DrawText (NewConsoleFont, Font.CR_GOLD, (listboxLeft+(listboxWidth-textlen)/2) / FontScale, (listboxTop+(listboxHeight-rowHeight)/2) / FontScale, text,
DTA_VirtualWidthF, screen.GetWidth() / FontScale, DTA_VirtualHeightF, screen.GetHeight() / FontScale, DTA_KeepRatio, true);
return;
}
*/
j = TopItem;
for (i = 0; i < listboxRows && j < NumTotalEntries; i++)
{
int colr;
String texttoprint;
if (j < numparent)
{
colr = Font.CR_YELLOW;
texttoprint = "[..]";
}
else if (j < numparent + numdirs)
{
colr = Font.CR_YELLOW;
let dir = currentDir.GetDirectory(j - numparent);
if (!dir) texttoprint = String.Format("Error reading directory %d", j - numparent);
else texttoprint = String.Format("[%s]", dir.dirName);
}
else
{
if (j == Selected)
{
colr = Font.CR_WHITE;
}
else
{
colr = Font.CR_TAN;
}
let dir = currentDir.GetEntry(j - numparent - numdirs);
if (!dir) texttoprint = String.Format("Error reading entry %d", j - numparent - numdirs);
else texttoprint = String.Format("%s", dir.displayName);
}
screen.SetClipRect(listboxLeft, listboxTop+rowHeight*i, listboxRight, listboxTop+rowHeight*(i+1));
if (j == Selected)
{
screen.Clear (listboxLeft, listboxTop+rowHeight*i, listboxRight, listboxTop+rowHeight*(i+1), Color(255,0,0,255));
screen.DrawText (NewConsoleFont, colr, (listboxLeft+1) / FontScale, (listboxTop+rowHeight*i + FontScale) / FontScale, texttoprint,
DTA_VirtualWidthF, screen.GetWidth() / FontScale, DTA_VirtualHeightF, screen.GetHeight() / FontScale, DTA_KeepRatio, true);
}
else
{
screen.DrawText (NewConsoleFont, colr, (listboxLeft+1) / FontScale, (listboxTop+rowHeight*i + FontScale) / FontScale, texttoprint,
DTA_VirtualWidthF, screen.GetWidth() / FontScale, DTA_VirtualHeightF, screen.GetHeight() / FontScale, DTA_KeepRatio, true);
}
screen.ClearClipRect();
j++;
}
}
void UpdateComment()
{
BrokenComment = NewConsoleFont.BreakLines(currentDir.GetInfo(Selected), int(commentWidth / FontScale));
}
void GoToParent()
{
if (selects.Size() > 0)
{
Selected = selects[selects.Size()-1];
selects.Pop();
TopItem = selects[selects.Size()-1];
selects.Pop();
currentDir = currentDir.parent;
currentDir.Select(Selected);
SetSize();
UpdateComment();
}
}
//=============================================================================
//
//
//
//=============================================================================
override bool MenuEvent (int mkey, bool fromcontroller)
{
switch (mkey)
{
case MKEY_Up:
if (NumTotalEntries > 1)
{
if (Selected == -1) Selected = TopItem;
else
{
if (--Selected < 0) Selected = NumTotalEntries-1;
if (Selected < TopItem) TopItem = Selected;
else if (Selected >= TopItem + listboxRows) TopItem = MAX(0, Selected - listboxRows + 1);
}
currentDir.Select(Selected);
UpdateComment();
}
return true;
case MKEY_Down:
if (NumTotalEntries > 1)
{
if (Selected == -1) Selected = TopItem;
else
{
if (++Selected >= NumTotalEntries) Selected = 0;
if (Selected < TopItem) TopItem = Selected;
else if (Selected >= TopItem + listboxRows) TopItem = MAX(0, Selected - listboxRows + 1);
}
currentDir.Select(Selected);
UpdateComment();
}
return true;
case MKEY_PageDown:
if (NumTotalEntries > 1)
{
if (TopItem >= NumTotalEntries - listboxRows)
{
TopItem = 0;
if (Selected != -1) Selected = 0;
}
else
{
TopItem = MIN(TopItem + listboxRows, NumTotalEntries - listboxRows);
if (TopItem > Selected && Selected != -1) Selected = TopItem;
}
currentDir.Select(Selected);
UpdateComment();
}
return true;
case MKEY_PageUp:
if (NumTotalEntries > 1)
{
if (TopItem == 0)
{
TopItem = MAX(0, NumTotalEntries - listboxRows);
if (Selected != -1) Selected = TopItem;
}
else
{
TopItem = MAX(TopItem - listboxRows, 0);
if (Selected >= TopItem + listboxRows) Selected = TopItem;
}
currentDir.Select(Selected);
UpdateComment();
}
return true;
case MKEY_Enter:
if (Selected < numparent)
{
GoToParent();
}
else if (Selected < numparent + numdirs)
{
currentDir = currentDir.GetDirectory(Selected - numparent);
selects.Push(TopItem);
selects.Push(Selected);
Selected = 1;
currentDir.Select(Selected);
SetSize();
UpdateComment();
}
else
{
let entry = currentDir.GetEntry(Selected - numparent - numdirs);
StartMap(entry);
}
return true;
case MKEY_Back:
if (selects.Size() > 0)
{
GoToParent();
return true;
}
default:
return Super.MenuEvent(mkey, fromcontroller);
}
}
//=============================================================================
//
//
//
//=============================================================================
override bool MouseEvent(int type, int x, int y)
{
if (x >= listboxLeft && x < listboxLeft + listboxWidth &&
y >= listboxTop && y < listboxTop + listboxHeight)
{
int lineno = (y - listboxTop) / rowHeight;
if (TopItem + lineno < NumTotalEntries)
{
Selected = TopItem + lineno;
currentDir.Select(Selected);
UpdateComment();
if (type == MOUSE_Release)
{
if (MenuEvent(MKEY_Enter, true))
{
return true;
}
}
}
else Selected = -1;
}
else Selected = -1;
return Super.MouseEvent(type, x, y);
}
//=============================================================================
//
//
//
//=============================================================================
override bool OnUIEvent(UIEvent ev)
{
if (ev.Type == UIEvent.Type_KeyDown)
{
switch (ev.KeyChar)
{
case UIEvent.Key_Backspace:
GoToParent();
return true;
}
}
else if (ev.Type == UIEvent.Type_WheelUp)
{
if (TopItem > 0) TopItem--;
return true;
}
else if (ev.Type == UIEvent.Type_WheelDown)
{
if (TopItem < NumTotalEntries - listboxRows) TopItem++;
return true;
}
return Super.OnUIEvent(ev);
}
}