GDevelop/Extensions/TileMapObject/TileMapObject.cpp

/**

Game Develop - Tile Map Extension
Copyright (c) 2014 Victor Levasseur (victorlevasseur52@gmail.com)

This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages
arising from the use of this software.

Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it
freely, subject to the following restrictions:

    1. The origin of this software must not be misrepresented; you must not
    claim that you wrote the original software. If you use this software
    in a product, an acknowledgment in the product documentation would be
    appreciated but is not required.

    2. Altered source versions must be plainly marked as such, and must not be
    misrepresented as being the original software.

    3. This notice may not be removed or altered from any source
    distribution.

*/

#include <math.h>
#include <iostream>

#if defined(GD_IDE_ONLY) && !defined(GD_NO_WX_GUI)
#include <wx/bitmap.h> //Must be placed first, otherwise we get errors relative to "cannot convert 'const TCHAR*'..." in wx/msw/winundef.h
#include <wx/panel.h>
#endif
#include "TileMapObject.h"
#include <SFML/Graphics.hpp>
#include "GDCore/Tools/Localization.h"
#include "GDCpp/Object.h"
#include "GDCpp/Project.h"
#include "GDCpp/RuntimeScene.h"
#include "GDCpp/RuntimeGame.h"
#include "GDCpp/ImageManager.h"
#include "GDCpp/FontManager.h"
#include "GDCpp/Position.h"
#include "GDCpp/Polygon.h"
#include "GDCpp/PolygonCollision.h"
#include "GDCpp/BuiltinExtensions/ObjectTools.h"
#include "GDCpp/Serialization/SerializerElement.h"
#include "GDCpp/CommonTools.h"

#include "TileMap.h"
#include "TileSet.h"
#include "TileMapTools.h"

#if defined(GD_IDE_ONLY)
#include "GDCore/IDE/Dialogs/MainFrameWrapper.h"
#include "GDCore/IDE/ArbitraryResourceWorker.h"
#include "TileMapObjectEditor.h"
#endif

using namespace std;

/**
 * TileMapObject
 */

TileMapObject::TileMapObject(std::string name_) :
    Object(name_),
    tileSet(),
    tileMap(),
    vertexArray(sf::Quads)
{
}

void TileMapObject::DoUnserializeFrom(gd::Project & project, const gd::SerializerElement & element)
{
    if(element.HasChild("tileSet"))
    {
        tileSet.Get().UnserializeFrom(element.GetChild("tileSet"));
    }
    if(element.HasChild("tileMap"))
    {
        tileMap.Get().UnserializeFrom(element.GetChild("tileMap"));
    }
}

float TileMapObject::GetWidth() const
{
    if(tileSet.Get().IsDirty() || tileMap.Get().GetColumnsCount() == 0 || tileMap.Get().GetRowsCount() == 0)
        return 200.f;
    else
        return tileMap.Get().GetColumnsCount() * tileSet.Get().tileSize.x;
}

float TileMapObject::GetHeight() const
{
    if(tileSet.Get().IsDirty() || tileMap.Get().GetColumnsCount() == 0 || tileMap.Get().GetRowsCount() == 0)
        return 150.f;
    else
        return tileMap.Get().GetRowsCount() * tileSet.Get().tileSize.y;
}

#if defined(GD_IDE_ONLY)
void TileMapObject::DoSerializeTo(gd::SerializerElement & element) const
{
    tileSet.Get().SerializeTo(element.AddChild("tileSet"));
    tileMap.Get().SerializeTo(element.AddChild("tileMap"));
}

void TileMapObject::LoadResources(gd::Project & project, gd::Layout & layout)
{
    tileSet.Get().LoadResources(project);
    tileSet.Get().Generate();
    vertexArray = TileMapExtension::GenerateVertexArray(tileSet.Get(), tileMap.Get());
}

sf::Vector2f TileMapObject::GetInitialInstanceDefaultSize(gd::InitialInstance & instance, gd::Project & project, gd::Layout & layout) const
{
    if(tileSet.Get().IsDirty() || tileMap.Get().GetColumnsCount() == 0 || tileMap.Get().GetRowsCount() == 0)
        return sf::Vector2f(200.f, 150.f);
    else
        return sf::Vector2f(tileMap.Get().GetColumnsCount() * tileSet.Get().tileSize.x, tileMap.Get().GetRowsCount() * tileSet.Get().tileSize.y);
}

/**
 * Render object at edittime
 */
void TileMapObject::DrawInitialInstance(gd::InitialInstance & instance, sf::RenderTarget & renderTarget, gd::Project & project, gd::Layout & layout)
{
    if(tileSet.Get().IsDirty())
        return;

    //Get the current view
    sf::View currentView = renderTarget.getView();
    sf::Vector2f centerPos = currentView.getCenter();

    //Construct the transform
    sf::Transform transform;
    transform.translate(instance.GetX() + centerPos.x - floor(centerPos.x), 
                        instance.GetY() + centerPos.y - floor(centerPos.y));

    //Unsmooth the texture
    bool wasSmooth = tileSet.Get().GetTexture().isSmooth();
    tileSet.Get().GetTexture().setSmooth(false);

    //Draw the tilemap
    renderTarget.draw(vertexArray, sf::RenderStates(sf::BlendAlpha, transform, &tileSet.Get().GetTexture(), NULL));

    tileSet.Get().GetTexture().setSmooth(wasSmooth);
}

void TileMapObject::ExposeResources(gd::ArbitraryResourceWorker & worker)
{
    worker.ExposeImage(tileSet.Get().textureName);
}

bool TileMapObject::GenerateThumbnail(const gd::Project & project, wxBitmap & thumbnail) const
{
#if !defined(GD_NO_WX_GUI)
    thumbnail = wxBitmap("CppPlatform/Extensions/TileMapIcon24.png", wxBITMAP_TYPE_ANY);
#endif

    return true;
}

void TileMapObject::EditObject( wxWindow* parent, gd::Project & game, gd::MainFrameWrapper & mainFrameWrapper )
{
#if !defined(GD_NO_WX_GUI)
    TileMapObjectEditor dialog(parent, game, *this, mainFrameWrapper);
    dialog.ShowModal();
#endif
}
#endif

/**
 * Function destroying an extension Object.
 * Game Develop does not delete directly extension object
 * to avoid overloaded new/delete conflicts.
 */
void DestroyTileMapObject(gd::Object * object)
{
    delete object;
}

/**
 * Function creating an extension Object.
 * Game Develop can not directly create an extension object
 */
gd::Object * CreateTileMapObject(std::string name)
{
    return new TileMapObject(name);
}