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LevelEditor.h
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/****************************************************************************
** Copyright (C) 2011 Luka Horvat <redreaper132 at gmail.com>
** Copyright (C) 2011 Edward Lii <edward_iii at myway.com>
** Copyright (C) 2011 O. Bahri Gordebak <gordebak at gmail.com>
**
**
** This file may be used under the terms of the GNU General Public
** License version 3.0 as published by the Free Software Foundation
** and appearing in the file LICENSE.GPL included in the packaging of
** this file.
**
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
**
** You should have received a copy of the GNU General Public License
** along with this program. If not, see <http://www.gnu.org/licenses/>.
**
****************************************************************************/
#ifndef LEVELEDITOR_H
#define LEVELEDITOR_H
#include "GameState.h"
#include "GameObjects.h"
#include "Player.h"
#include "Game.h"
#include "GUIObject.h"
#include <vector>
#include <map>
#include <string>
#include <SDL/SDL.h>
#include <SDL/SDL_mixer.h>
#include <SDL/SDL_ttf.h>
//Class that represents a moving position for moving blocks.
class MovingPosition{
public:
//Integer containing the relative time used to store in the level.
int time;
//The x location.
int x;
//The x location.
int y;
//Constructor.
//x: The x position relative to the moving block's position.
//y: The y position relative to the moving block's position.
//time: The time it takes from the previous position to here.
MovingPosition(int x,int y,int time);
//Destructor.
~MovingPosition();
//This will update the moving position.
//x: The x position relative to the moving block's position.
//y: The y position relative to the moving block's position.
void updatePosition(int x,int y);
};
//The LevelEditor state, it's based on the Game state.
class LevelEditor: public Game, private GUIEventCallback{
private:
//Boolean if the user isplaying/testing the level.
bool playMode;
//Enumaration containing the tools.
//SELECT: The select tool, for selecting/dragging blocks.
//ADD: For adding blocks.
//REMOVE: For removing blocks.
//CONFIGURE: Used to configure special blocks.
enum Tools{
SELECT,
ADD,
REMOVE,
CONFIGURE,
NUMBER_TOOLS
};
//The tool the user has selected.
Tools tool;
//The toolbar surface.
SDL_Surface* toolbar;
//Rectangle the size and location of the toolbar on screen.
SDL_Rect toolbarRect;
//Vector containing pointers to the selected GameObjects.
vector<GameObject*> selection;
//The selection square.
SDL_Surface* selectionMark;
//Surface used for drawing transparent selection/dragging.
SDL_Surface* placement;
//A circle at the location of moving positions in configure mode.
SDL_Surface* movingMark;
//The current type of block to place in Add mode.
int currentType;
//Boolean if the shift button is pressed.
bool pressedShift;
//Boolean if the left mouse button is pressed.
bool pressedLeftMouse;
//Boolean if the mouse is dragged. (Left button pressed and moved)
bool dragging;
//The camera x velocity.
int cameraXvel;
int cameraYvel;
//SDL_Rect used to store the camera's location when entering playMode.
SDL_Rect cameraSave;
//Boolean if the selection is dragged.
bool selectionDrag;
//Pointer to the gameobject that's the center of the drag.
GameObject* dragCenter;
//Integer containing a unique id.
//Everytime a new id is needed it will increase by one.
unsigned int currentId;
//Vector containing the trigger GameObjects.
map<GameObject*,vector<GameObject*> > triggers;
//Boolean used in configure mode when linking triggers with their targets.
bool linking;
//Pointer to the trigger that's is being linked.
GameObject* linkingTrigger;
//Vector containing the moving GameObjects.
map<GameObject*,vector<MovingPosition> > movingBlocks;
//Integer containing the speed the block is moving for newly added blocks.
//The movingSpeed is capped at 100.
int movingSpeed;
//Boolean used in configure mode when configuring moving blocks.
bool moving;
//Pointer to the moving block that's is being configured.
GameObject* movingBlock;
//The clipboard.
vector<map<string,string> > clipboard;
//Pointer to a GUIObject for a property of the object.
//Only used in the configure tool.
GUIObject* objectProperty;
//Pointer to a GUIObject for a property of the object.
//Only used in the configure tool.
GUIObject* secondObjectProperty;
//Pointer to the object that is being configured.
GameObject* configuredObject;
//String containing the levelTheme.
std::string levelTheme;
//Integer containing the button of which a tool tip should be shown.
int tooltip;
//GUI event handling is done here.
void GUIEventCallback_OnEvent(std::string name,GUIObject* obj,int eventType);
//Method that will let you configure the levelSettings.
void levelSettings();
//Method used to save the level.
//fileName: Thge filename to write the level to.
void saveLevel(string fileName);
//Method used to convert a given x and y to snap to grid.
//x: Pointer to the x location.
//y: Pointer to the y location.
void snapToGrid(int* x,int* y);
//Array containing the ids of different block types in a wanted order
//Maybe also useful to disable deprecated block types in the editor
//PLEASE NOTE: Must be updated for new block types
//Ordered for Edward Liis proposal:
//Normal->Shadow->Spikes->Fragile
//Normal moving->Shadow moving->Moving spikes
//Conveyor belt->Shadow conveyor belt
//Button->Switch->Portal->Swap->Checkpoint->Notification block
//Player start->Shadow start->Exit
static const int EDITOR_ORDER_MAX=18;
static const int editorTileOrder[EDITOR_ORDER_MAX];
protected:
//Inherits the function loadLevelFromNode from Game class.
virtual void loadLevelFromNode(TreeStorageNode* obj, const std::string& fileName);
public:
//Constructor.
LevelEditor();
//Destructor.
~LevelEditor();
//Method that will reset some default values.
void reset();
//Inherited from Game(State).
void handleEvents();
void logic();
void render();
//Method used to draw the currentType on the placement surface.
//This will only be called when the tool is ADD.
void showCurrentObject();
//Method used to draw the selection that's being dragged.
void showSelectionDrag();
//Method used to draw configure tool specific things like moving positions, teleport lines.
void showConfigure();
//Method that will render the HUD.
//It will be rendered after the placement suface but before the toolbar.
void renderHUD();
//Method called after loading a level.
//It will fill the triggers vector.
void postLoad();
//Event that is invoked when there's a mouse click on an object.
//obj: Pointer to the GameObject clicked on.
//selected: Boolean if the GameObject that has been clicked on was selected.
void onClickObject(GameObject* obj,bool selected);
//Event that is invoked when there's a right mouse button click on an object.
//obj: Pointer to the GameObject clicked on.
//selected: Boolean if the GameObject that has been clicked on was selected.
void onRightClickObject(GameObject* obj,bool selected);
//Event that is invoked when there's a mouse click but not on any object.
//x: The x location of the click on the game field (+= camera.x).
//y: The y location of the click on the game field (+= camera.y).
void onClickVoid(int x,int y);
//Event that is invoked when the dragging starts.
//x: The x location the drag started. (mouse.x+camera.x)
//y: The y location the drag started. (mouse.y+camera.y)
void onDragStart(int x,int y);
//Event that is invoked when the mouse is dragged.
//dx: The relative x distance the mouse dragged.
//dy: The relative y distance the mouse dragged.
void onDrag(int dx,int dy);
//Event that is invoked when the mouse stopped dragging.
//x: The x location the drag stopped. (mouse.x+camera.x)
//y: The y location the drag stopped. (mouse.y+camera.y)
void onDrop(int x,int y);
//Event that is invoked when the camera is moved.
//dx: The relative x distance the camera moved.
//dy: The relative y distance the camera moved.
void onCameraMove(int dx,int dy);
//Event that is invoked when enter is pressed above an object.
//obj: Pointer to the GameObject entered above.
void onEnterObject(GameObject* obj);
//Method used to add a GameObject to the level.
//obj: Pointer to the gameobject to add.
void addObject(GameObject* obj);
//Method used to move a GameObject from the level.
//obj: Pointer to the gameobject to move.
//x: The new x location of the GameObject.
//y: The new y location of the GameObject.
void moveObject(GameObject* obj,int x,int y);
//Method used to remove a GameObject from the level.
//obj: Pointer to the gameobject to remove.
void removeObject(GameObject* obj);
};
#endif

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