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/*
* TDDD86 Trailblazer
* This file declares functions to perform drawing in the graphical user
* interface (GUI).
* See gui.cpp for implementation of each function.
*
* Please do not modify this provided file. Your turned-in files should work
* with an unmodified version of all provided code files.
*
* Author: Marty Stepp, Keith Schwarz, et al
* Slight modifications by Tommy Farnqvist
*/
#ifndef _gui_h
#define _gui_h
#include "gevents.h"
#include "grid.h"
#include "types.h"
/*
* An enumerated type tracking what type of world is currently selected so that
* we can determine which clicked locations are legal.
*/
enum WorldType {
TERRAIN_WORLD,
MAZE_WORLD
};
/*
* An enumerated type representing how large the world is, categorized as one
* of three different size classes.
*/
enum WorldSize {
TINY_WORLD,
SMALL_WORLD,
MEDIUM_WORLD,
LARGE_WORLD,
HUGE_WORLD
};
/*
* The UI is a state machine that can be in one of four states:
*
* 1. Fresh: Nothing has been done yet.
* 2. Marked: One location has been selected.
* 3. Drawn: Both locations have been selected, and a path is drawn.
*
* This enumerated type stores this information.
*/
enum UIState {
FRESH,
MARKED,
DRAWN
};
/*
* A utility struct that bundles together the state of the world.
*/
struct State {
Grid<double> world; // The world.
WorldType worldType; // The type of world.
UIState uiState; // Which state we're in.
};
/*
* Highlights the specified cell in the world the given color, which must be
* either GRAY, YELLOW, or GREEN.
*/
void colorCell(Grid<double>& world, TBLoc loc, Color locColor);
/*
* Initializes state of the GUI subsystem.
*/
void initializeGUI();
/*
* Reacts to an action event in the window.
*/
void processActionEvent(GActionEvent e);
/*
* Reacts to a mouse event in the window.
*/
void processMouseEvent(GMouseEvent e);
#endif
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