C4ObjectMenuLogic.cpp

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/*
 * OpenClonk, http://www.openclonk.org
 *
 * Copyright (c) 1998-2000, Matthes Bender
 * Copyright (c) 2001-2009, RedWolf Design GmbH, http://www.clonk.de/
 * Copyright (c) 2009-2016, The OpenClonk Team and contributors
 *
 * Distributed under the terms of the ISC license; see accompanying file
 * "COPYING" for details.
 *
 * "Clonk" is a registered trademark of Matthes Bender, used with permission.
 * See accompanying file "TRADEMARK" for details.
 *
 * To redistribute this file separately, substitute the full license texts
 * for the above references.
 */
 
/* Logic for C4Object: Menus */
 
#include "C4Include.h"
#include "C4ForbidLibraryCompilation.h"
#include "object/C4Object.h"
 
#include "game/C4Viewport.h"
#include "graphics/C4Draw.h"
#include "graphics/C4GraphicsResource.h"
#include "lib/StdColors.h"
#include "object/C4Def.h"
#include "object/C4ObjectMenu.h"
#include "player/C4Player.h"
#include "player/C4PlayerList.h"
#include "script/C4AulExec.h"
 
 
static void DrawMenuSymbol(int32_t iMenu, C4Facet &cgo, int32_t iOwner)
{
    C4Facet ccgo;
 
    DWORD dwColor=0;
    if (ValidPlr(iOwner)) dwColor=::Players.Get(iOwner)->ColorDw;
 
    switch (iMenu)
    {
    case C4MN_Buy:
        ::GraphicsResource.fctFlagClr.DrawClr(ccgo = cgo.GetFraction(75, 75), true, dwColor);
        ::GraphicsResource.fctWealth.Draw(ccgo = cgo.GetFraction(100, 50, C4FCT_Left, C4FCT_Bottom));
        ::GraphicsResource.fctArrow.Draw(ccgo = cgo.GetFraction(70, 70, C4FCT_Right, C4FCT_Center), false, 0);
        break;
    case C4MN_Sell:
        ::GraphicsResource.fctFlagClr.DrawClr(ccgo = cgo.GetFraction(75, 75), true, dwColor);
        ::GraphicsResource.fctWealth.Draw(ccgo = cgo.GetFraction(100, 50, C4FCT_Left, C4FCT_Bottom));
        ::GraphicsResource.fctArrow.Draw(ccgo = cgo.GetFraction(70, 70, C4FCT_Right, C4FCT_Center), false, 1);
        break;
    }
}
 
bool C4Object::ActivateMenu(int32_t iMenu, int32_t iMenuSelect,
                            int32_t iMenuData, int32_t iMenuPosition,
                            C4Object *pTarget)
{
    // Variables
    C4FacetSurface fctSymbol;
    C4IDList ListItems;
    // Close any other menu
    if (Menu && Menu->IsActive()) if (!Menu->TryClose(true, false)) return false;
    // Create menu
    if (!Menu) Menu = new C4ObjectMenu; else Menu->ClearItems();
    // Open menu
    switch (iMenu)
    {
        // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
    case C4MN_Activate:
        // No target specified: use own container as target
        if (!pTarget) if (!(pTarget=Contained)) break;
        // Opening contents menu blocked by RejectContents
        if (!!pTarget->Call(PSF_RejectContents)) return false;
        // Create symbol
        fctSymbol.Create(C4SymbolSize,C4SymbolSize);
        pTarget->Def->Draw(fctSymbol,false,pTarget->Color,pTarget);
        // Init
        Menu->Init(fctSymbol,FormatString(LoadResStr("IDS_OBJ_EMPTY"),pTarget->GetName()).getData(),this,C4MN_Extra_None,0,iMenu);
        Menu->SetPermanent(true);
        Menu->SetRefillObject(pTarget);
        // Success
        return true;
        // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
    case C4MN_Buy:
        // No target specified: container is base
        if (!pTarget) if (!(pTarget=Contained)) break;
        // Create symbol
        fctSymbol.Create(C4SymbolSize,C4SymbolSize);
        DrawMenuSymbol(C4MN_Buy, fctSymbol, pTarget->Owner);
        // Init menu
        Menu->Init(fctSymbol,LoadResStr("IDS_PLR_NOBUY"),this,C4MN_Extra_Value,0,iMenu);
        Menu->SetPermanent(true);
        Menu->SetRefillObject(pTarget);
        // Success
        return true;
        // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
    case C4MN_Sell:
        // No target specified: container is base
        if (!pTarget) if (!(pTarget=Contained)) break;
        // Create symbol & init
        fctSymbol.Create(C4SymbolSize,C4SymbolSize);
        DrawMenuSymbol(C4MN_Sell, fctSymbol, pTarget->Owner);
        Menu->Init(fctSymbol,FormatString(LoadResStr("IDS_OBJ_EMPTY"),pTarget->GetName()).getData(),this,C4MN_Extra_Value,0,iMenu);
        Menu->SetPermanent(true);
        Menu->SetRefillObject(pTarget);
        // Success
        return true;
        // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
    case C4MN_Get:
    case C4MN_Contents:
        // No target specified
        if (!pTarget) break;
        // Opening contents menu blocked by RejectContents
        if (!!pTarget->Call(PSF_RejectContents)) return false;
        // Create symbol & init
        fctSymbol.Create(C4SymbolSize,C4SymbolSize);
        pTarget->Def->Draw(fctSymbol,false,pTarget->Color,pTarget);
        Menu->Init(fctSymbol,FormatString(LoadResStr("IDS_OBJ_EMPTY"),pTarget->GetName()).getData(),this,C4MN_Extra_None,0,iMenu);
        Menu->SetPermanent(true);
        Menu->SetRefillObject(pTarget);
        // Success
        return true;
        // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
    case C4MN_Info:
        // Target by parameter
        if (!pTarget) break;
        // Create symbol & init menu
        fctSymbol.Create(C4SymbolSize, C4SymbolSize); GfxR->fctOKCancel.Draw(fctSymbol,true,0,1);
        Menu->Init(fctSymbol, pTarget->GetName(), this, C4MN_Extra_None, 0, iMenu, C4MN_Style_Info);
        Menu->SetPermanent(true);
        Menu->SetAlignment(C4MN_Align_Free);
        C4Viewport *pViewport = ::Viewports.GetViewport(Controller); // Hackhackhack!!!
        if (pViewport) Menu->SetLocation((pTarget->GetX() + pTarget->Shape.GetX() + pTarget->Shape.Wdt + 10 - pViewport->GetViewX()) * pViewport->GetZoom(),
                                             (pTarget->GetY() + pTarget->Shape.GetY() - pViewport->GetViewY()) * pViewport->GetZoom());
        // Add info item
        fctSymbol.Create(C4PictureSize, C4PictureSize); pTarget->Def->Draw(fctSymbol, false, pTarget->Color, pTarget);
        Menu->Add(pTarget->GetName(), fctSymbol, "", C4MN_Item_NoCount, nullptr, pTarget->GetInfoString().getData());
        fctSymbol.Default();
        // Success
        return true;
        // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
    }
    // Invalid menu identification
    CloseMenu(true);
    return false;
}
 
bool C4Object::CloseMenu(bool fForce)
{
    if (Menu)
    {
        if (Menu->IsActive()) if (!Menu->TryClose(fForce, false)) return false;
        if (!Menu->IsCloseQuerying()) { delete Menu; Menu=nullptr; } // protect menu deletion from recursive menu operation calls
    }
    return true;
}
 
bool C4Object::MenuCommand(const char *szCommand)
{
    // Native script execution
    if (!Def || !Status) return false;
    return !! ::AulExec.DirectExec(this, szCommand, "MenuCommand");
}