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/** @file ui.h
* @brief Contains functions for handling the user interface.
*/
#ifndef UI_H
#define UI_H
#include <common.h>
#include <cstdarg>
#include <config.h>
#include <world.h>
#include <ft2build.h>
#include <SDL2/SDL_opengl.h>
#include <thread>
#include FT_FREETYPE_H
#define DEBUG
typedef void(*menuFunc)();
struct menuItem{
int member;
union{
struct{
vec2 loc;
dim2 dim;
Color color;
const char* text;
menuFunc func;
}button;
struct{
vec2 loc;
dim2 dim;
Color color;
float minValue;
float maxValue;
const char* text;
float* var;
float sliderLoc;
}slider;
};
};
class Menu{
public:
std::vector<menuItem>items;
Menu *child;
Menu *parent;
void gotoChild();
void gotoParent();
};
typedef uint8_t BYTE;
typedef uint16_t WORD;
typedef uint32_t DWORD;
typedef int32_t LONG;
typedef struct{
WORD bfType;
DWORD bfSize;
WORD bfReserved1, bfReserved2;
DWORD bfOffBits; //how many bytes before the image data
} __attribute__ ((packed)) BITMAPFILEHEADER;
typedef struct{
DWORD biSize; //size of header in bytes
LONG biWidth;
LONG biHeight;
WORD biPlanes;
WORD biBitCount; //how many bits are in a pixel
DWORD biCompression;
DWORD biSizeImage; //size of image in bytes
LONG biXPelsPerMeter;
LONG biYPelsPerMeter;
DWORD biClrUsed; //how many colors there are
DWORD biClrImportant; //important colors
} __attribute__ ((packed)) BITMAPINFOHEADER;
namespace ui {
menuItem createButton(vec2 l, dim2 d, Color c, const char* t, menuFunc f);
menuItem createChildButton(vec2 l, dim2 d, Color c, const char* t);
menuItem createParentButton(vec2 l, dim2 d, Color c, const char* t);
menuItem createSlider(vec2 l, dim2 d, Color c, float min, float max, const char* t, float* v);
/**
* Contains the coordinates of the mouse inside the window.
*/
extern vec2 mouse;
/*
* These flags are used elsewhere.
*/
extern bool debug;
extern bool posFlag;
extern unsigned int fontSize;
extern bool dialogBoxExists;
extern unsigned char dialogOptChosen;
extern bool dialogImportant;
extern unsigned int textWrapLimit;
/*
* Initializes the FreeType system.
*/
void initFonts(void);
void destroyFonts(void);
/*
* Sets the current font/font size.
*/
void setFontFace(const char *ttf);
void setFontSize(unsigned int size);
/*
* Draw a centered string.
*/
float putStringCentered(const float x,const float y,const char *s);
/*
* Draws a formatted string at the given coordinates.
*/
float putText(const float x,const float y,const char *str,...);
/*
* Creates a dialogBox text string (format: `name`: `text`). This function simply sets up
* variables that are drawn in ui::draw(). When the dialog box exists player control is
* limited until a right click is given, closing the box.
*/
void dialogBox(const char *name,const char *opt,bool passive,const char *text,...);
void waitForDialog(void);
/*
* Draws a larger string in the center of the screen. Drawing is done inside this function.
*/
void importantText(const char *text,...);
/*
* Draw various UI elements (dialogBox, player health)
*/
void draw(void);
/*
* Draw various menu items
*/
void quitGame();
void quitMenu();
void optionsMenuF();
void drawMenu(Menu* menu);
/*
* Handle keyboard/mouse events.
*/
void handleEvents(void);
/*
* Toggle the black overlay thing.
*/
void toggleBlack(void);
void toggleBlackFast(void);
void toggleWhite(void);
void toggleWhiteFast(void);
void waitForCover(void);
void waitForNothing(unsigned int);
}
#endif // UI_H
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