CWE-ou-minkata/Sources/Tools/MaxComponent/plResponderWait.cpp

/*==LICENSE==*

CyanWorlds.com Engine - MMOG client, server and tools
Copyright (C) 2011  Cyan Worlds, Inc.

This program is free software: you can redistribute it and/or modify
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Additional permissions under GNU GPL version 3 section 7

If you modify this Program, or any covered work, by linking or
combining it with any of RAD Game Tools Bink SDK, Autodesk 3ds Max SDK,
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*==LICENSE==*/
#include "HeadSpin.h"
#include "hsWindows.h"

#include "MaxMain/MaxCompat.h"
#include <iparamm2.h>
#include "resource.h"
#pragma hdrstop

#include "plResponderWait.h"
#include "plResponderComponentPriv.h"
#include "plModifier/plResponderModifier.h"

#include "plResponderLink.h"

class plResponderWaitProc : public ParamMap2UserDlgProc
{
protected:
    IParamBlock2 *fStatePB;
    IParamBlock2 *fWaitPB;

    int fCurCmd;
    HWND fhDlg;
    HWND fhList;

public:
    void Init(IParamBlock2 *curStatePB, int curCmd, HWND hList) { fStatePB = curStatePB; fCurCmd = curCmd; fhList = hList; }

    virtual BOOL DlgProc(TimeValue t, IParamMap2 *pm, HWND hDlg, UINT msg, WPARAM wParam, LPARAM lParam);
    virtual void DeleteThis() {}

protected:
    void LoadWho(bool setDefault=false);
    void LoadPoint(bool force=false);

    IParamBlock2 *GetCmdParams(int cmdIdx);
};
static plResponderWaitProc gResponderWaitProc;

enum
{
    kWaitWhoOld,
    kWaitPointOld,
    kWaitMe,
    kWaitWho,
    kWaitPoint,
};

ParamBlockDesc2 gResponderWaitBlock
(
    kResponderWaitBlk, _T("waitCmd"), 0, NULL, P_AUTO_UI,

    IDD_COMP_RESPOND_WAIT, IDS_COMP_WAIT, 0, 0, &gResponderWaitProc,

    kWaitWhoOld,    _T("whoOld"),       TYPE_INT_TAB, 0,        0, 0,
        end,

    kWaitPointOld,  _T("pointOld"), TYPE_STRING_TAB, 0,     0, 0,
        end,

    kWaitMe,    _T("me"),       TYPE_BOOL,              0, 0,
        p_ui,   TYPE_SINGLECHEKBOX, IDC_WAIT_ON_ME_CHECK,
        end,

    kWaitWho, _T("who"),        TYPE_INT,               0, 0,
        p_default,  -1,
        end,

    kWaitPoint, _T("point"),    TYPE_STRING,            0, 0,
        end,

    end
);
void ResponderWait::SetDesc(ClassDesc2 *desc) { gResponderWaitBlock.SetClassDesc(desc); }

void ResponderWait::FixupWaitBlock(IParamBlock2 *waitPB)
{
    if (waitPB->Count(kWaitWhoOld) > 0)
    {
        int who = waitPB->GetInt(kWaitWhoOld, 0, 0);
        waitPB->SetValue(kWaitWho, 0, who);
        waitPB->Delete(kWaitWhoOld, 0, 1);
    }

    if (waitPB->Count(kWaitPointOld) > 0)
    {
        MCHAR* point = (MCHAR*)waitPB->GetStr(kWaitPointOld, 0, 0);
        waitPB->SetValue(kWaitPoint, 0, _T(point));
        waitPB->Delete(kWaitPointOld, 0, 1);
    }
}

IParamBlock2 *ResponderWait::CreatePB()
{
    return CreateParameterBlock2(&gResponderWaitBlock, nil);
}

bool ResponderWait::GetWaitOnMe(IParamBlock2* waitPB)
{
    return (waitPB->GetInt(kWaitMe) != 0);
}

int ResponderWait::GetWaitingOn(IParamBlock2* waitPB)
{
    return waitPB->GetInt(kWaitWho);
}

plString ResponderWait::GetWaitPoint(IParamBlock2* waitPB)
{
    const char* point = waitPB->GetStr(kWaitPoint);
    if (point && *point == '\0')
        return plString::Null;
    return plString::FromUtf8(point);
}

/////////////////////////////////////////////////////////////////////////////

void ResponderWait::InitDlg(IParamBlock2 *curStatePB, int curCmd, HWND hList)
{
    gResponderWaitProc.Init(curStatePB, curCmd, hList);
}

IParamBlock2 *plResponderWaitProc::GetCmdParams(int cmdIdx)
{
    return (IParamBlock2*)fStatePB->GetReferenceTarget(kStateCmdParams, 0, cmdIdx);
}

BOOL plResponderWaitProc::DlgProc(TimeValue t, IParamMap2 *pm, HWND hDlg, UINT msg, WPARAM wParam, LPARAM lParam)
{
    switch (msg)
    {
        case WM_INITDIALOG:
        {
            fhDlg = hDlg;

            fWaitPB = pm->GetParamBlock();

            ResponderWait::FixupWaitBlock(fWaitPB);

            IParamBlock2 *pb = GetCmdParams(fCurCmd);
            plResponderCmd *cmd = plResponderCmd::Find(pb);
            pm->Enable(kWaitMe, cmd->IsWaitable(pb));

            LoadWho();
            LoadPoint();
            return TRUE;
        }

        case WM_CUSTEDIT_ENTER:
            if (wParam == IDC_MARKER_EDIT)
            {
                ICustEdit *edit = GetICustEdit((HWND)lParam);
                char buf[256];
                edit->GetText(buf, sizeof(buf));
                fWaitPB->SetValue(kWaitPoint, 0, buf);

                return TRUE;
            }
            break;

        case WM_COMMAND:
        {
            int code = HIWORD(wParam);
            int id = LOWORD(wParam);

            if (id == IDC_CHECK_WAIT && code == BN_CLICKED)
            {
                BOOL checked = (IsDlgButtonChecked(hDlg, IDC_CHECK_WAIT) == BST_CHECKED);
                if (!checked)
                {
                    fWaitPB->SetValue(kWaitWho, 0, -1);
                    fWaitPB->SetValue(kWaitPoint, 0, "");

                    LoadPoint();

                    HWND hWho = GetDlgItem(hDlg, IDC_WAIT_WHO);
                    EnableWindow(hWho, FALSE);
                    ComboBox_ResetContent(hWho);
                }
                else
                {
                    LoadWho(true);
                    LoadPoint();
                }

                return TRUE;
            }
            else if (id == IDC_WAIT_WHO && code == CBN_SELCHANGE)
            {
                HWND hWho = (HWND)lParam;
                int who = ComboBox_GetCurSel(hWho);
                int idx = ComboBox_GetItemData(hWho, who);
                fWaitPB->SetValue(kWaitWho, 0, idx);

                LoadPoint();
                return TRUE;
            }
            else if (id == IDC_RADIO_FINISH && code == BN_CLICKED)
            {
                fWaitPB->SetValue(kWaitPoint, 0, "");
                LoadPoint();
                return TRUE;
            }
            else if (id == IDC_RADIO_POINT && code == BN_CLICKED)
            {
                LoadPoint(true);
                return TRUE;
            }
            else if (id == IDC_WAIT_POINT && code == CBN_SELCHANGE)
            {
                HWND hPoint = (HWND)lParam;
                if (ComboBox_GetCurSel(hPoint) != CB_ERR)
                {
                    char buf[256];
                    ComboBox_GetText(hPoint, buf, sizeof(buf));
                    fWaitPB->SetValue(kWaitPoint, 0, buf);
                }
                return TRUE;
            }
            break;
        }
    }

    return FALSE;
}

void plResponderWaitProc::LoadWho(bool setDefault)
{
    HWND hWho = GetDlgItem(fhDlg, IDC_WAIT_WHO);
    int who = fWaitPB->GetInt(kWaitWho);

    ComboBox_ResetContent(hWho);

    int numFound = 0;

    // Copy all the commands before this one to the 'who' combo box
    for (int i = 0; i < fCurCmd; i++)
    {
        IParamBlock2 *pb = GetCmdParams(i);
        plResponderCmd *cmd = plResponderCmd::Find(pb);

        if (cmd->IsWaitable(pb))
        {
            int idx = ComboBox_AddString(hWho, cmd->GetInstanceName(pb));
            ComboBox_SetItemData(hWho, idx, i);

            // If the saved 'who' is valid, select it and check the wait checkbox
            if (who == i)
            {
                ComboBox_SetCurSel(hWho, idx);
                CheckDlgButton(fhDlg, IDC_CHECK_WAIT, BST_CHECKED);
                EnableWindow(hWho, TRUE);
            }

            numFound++;
        }
    }

    // Pick the last item in the who combo as the default
    if (setDefault && numFound > 0)
    {
        HWND hWho = GetDlgItem(fhDlg, IDC_WAIT_WHO);
        int idx = ComboBox_GetItemData(hWho, numFound-1);
        fWaitPB->SetValue(kWaitWho, 0, idx);

        ComboBox_SetCurSel(hWho, numFound-1);
        CheckDlgButton(fhDlg, IDC_CHECK_WAIT, BST_CHECKED);
        EnableWindow(hWho, TRUE);
    }

    // Disable the wait checkbox if there are no waitable commands behind this one
    EnableWindow(GetDlgItem(fhDlg, IDC_CHECK_WAIT), (numFound > 0));
}

void plResponderWaitProc::LoadPoint(bool force)
{
    int who = fWaitPB->GetInt(kWaitWho);
    const char *point = fWaitPB->GetStr(kWaitPoint);
    if (point && *point == '\0')
        point = nil;

    CheckRadioButton(fhDlg, IDC_RADIO_FINISH, IDC_RADIO_POINT, point || force ? IDC_RADIO_POINT : IDC_RADIO_FINISH);

    BOOL enableAll = (who != -1);
    EnableWindow(GetDlgItem(fhDlg, IDC_RADIO_FINISH), enableAll);
    EnableWindow(GetDlgItem(fhDlg, IDC_RADIO_POINT), enableAll);

    BOOL enablePoint = ((point != nil) || force) && enableAll;
    EnableWindow(GetDlgItem(fhDlg, IDC_WAIT_POINT), enablePoint);
    ComboBox_ResetContent(GetDlgItem(fhDlg, IDC_WAIT_POINT));

    if (enableAll)
    {
        IParamBlock2 *pb = (IParamBlock2*)fStatePB->GetReferenceTarget(kStateCmdParams, 0, who);
        plResponderCmd *cmd = plResponderCmd::Find(pb);

        // KLUDGE - stupid one-shot needs editable box
        if (cmd == &(plResponderCmdOneShot::Instance()))
        {
            ShowWindow(GetDlgItem(fhDlg, IDC_WAIT_POINT), SW_HIDE);

            HWND hEdit = GetDlgItem(fhDlg, IDC_MARKER_EDIT);
            ShowWindow(hEdit, SW_SHOW);
            ICustEdit *custEdit = GetICustEdit(hEdit);
            custEdit->SetText(point ? (char*)point : "");
        }
        else
        {
            ShowWindow(GetDlgItem(fhDlg, IDC_WAIT_POINT), SW_SHOW);

            HWND hEdit = GetDlgItem(fhDlg, IDC_MARKER_EDIT);
            ShowWindow(hEdit, SW_HIDE);

            plResponderCmd::WaitPoints waitPoints;
            cmd->GetWaitPoints(pb, waitPoints);

            HWND hCombo = GetDlgItem(fhDlg, IDC_WAIT_POINT);
            ComboBox_ResetContent(hCombo);

            if (waitPoints.size() == 0)
            {
                EnableWindow(GetDlgItem(fhDlg, IDC_RADIO_POINT), FALSE);
                EnableWindow(GetDlgItem(fhDlg, IDC_WAIT_POINT), FALSE);
            }
            else
            {
                for (int i = 0; i < waitPoints.size(); i++)
                {
                    const char *marker = waitPoints[i].c_str();
                    int idx = ComboBox_AddString(hCombo, marker);
                    if (point && !strcmp(point, marker))
                        ComboBox_SetCurSel(hCombo, idx);
                }
            }
        }
    }
}

static IParamBlock2 *GetWaitBlk(IParamBlock2 *state, int idx)
{
    return (IParamBlock2*)state->GetReferenceTarget(kStateCmdWait, 0, idx);
}

void ResponderWait::CmdRemoved(IParamBlock2 *state, int delIdx)
{
    int numCmds = state->Count(kStateCmdParams);
    for (int i = delIdx; i < numCmds; i++)
    {
        IParamBlock2 *pb = GetWaitBlk(state, i);

        int who = pb->GetInt(kWaitWho);

        if (who == delIdx)
            pb->SetValue(kWaitWho, 0, -1);
        if (who > delIdx)
            pb->SetValue(kWaitWho, 0, who-1);
    }
}

// A command was moved from oldIdx to newIdx.  Fix all the wait commands.
void ResponderWait::CmdMoved(IParamBlock2 *state, int oldIdx, int newIdx)
{
    int numCmds = state->Count(kStateCmdParams);

    // Moved forward
    if (oldIdx < newIdx)
    {
        // Patch up the commands that were ahead of this one
        for (int i = oldIdx; i < numCmds; i++)
        {
            if (i == newIdx)
                continue;

            IParamBlock2 *pb = GetWaitBlk(state, i);

            int who = pb->GetInt(kWaitWho);

            // If the command was waiting on the moved one, and is now behind it, invalidate it
            if (who == oldIdx && i < newIdx)
                pb->SetValue(kWaitWho, 0, -1);
            //
            else if (who == oldIdx)
                pb->SetValue(kWaitWho, 0, newIdx);
            // If it was waiting on one ahead of it, correct the index
            else if (who > oldIdx && who <= newIdx)
                pb->SetValue(kWaitWho, 0, who-1);
        }
    }
    // Moved backward
    else
    {
        // If this command was waiting on any of the commands now ahead of it, invalidate it
        IParamBlock2 *movedPB = GetWaitBlk(state, newIdx);
        int who = movedPB->GetInt(kWaitWho);
        if (who >= newIdx)
            movedPB->SetValue(kWaitWho, 0, -1);

        for (int i = newIdx+1; i < numCmds; i++)
        {
            // Is this command waiting on any of the commands it is moving in back of?
            IParamBlock2 *pb = GetWaitBlk(state, i);
            int who = pb->GetInt(kWaitWho);
            if (who == oldIdx)
                pb->SetValue(kWaitWho, 0, newIdx);
            if (who >= newIdx && who < oldIdx)
                pb->SetValue(kWaitWho, 0, who+1);
        }
    }
}

// Determine if any of the wait commands will be invalidated by this move
bool ResponderWait::ValidateCmdMove(IParamBlock2 *state, int oldIdx, int newIdx)
{
    // Moving forward
    if (oldIdx < newIdx)
    {
        // Are any of the commands ahead of this one waiting on it?
        for (int i = oldIdx+1; i <= newIdx; i++)
        {
            IParamBlock2 *pb = GetWaitBlk(state, i);

            if (pb->GetInt(kWaitWho) == oldIdx)
            {
                int ret = hsMessageBox("You are moving this command ahead of another command that waits on it.\nAre you sure you want to do that?", "Warning", hsMessageBoxYesNo);
                if (ret == hsMBoxYes)
                    return true;
                else
                    return false;
            }
        }
    }
    // Moving backward
    else
    {
        // Is this command waiting on any of the commands it is moving in back of?
        IParamBlock2 *pb = GetWaitBlk(state, oldIdx);

        int who = pb->GetInt(kWaitWho);
        if (who >= newIdx && who < oldIdx)
        {
            int ret = hsMessageBox("You are moving this command behind another command that it is waiting on.\nAre you sure you want to do that?", "Warning", hsMessageBoxYesNo);
            if (ret == hsMBoxYes)
                return true;
            else
                return false;
        }
    }

    return true;
}