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#ifndef WORLD_H
#define WORLD_H
#include <common.h> // For HLINE, vec2, OpenGL utilities, etc.
#include <entities.h>
typedef struct {
vec2 p1,p2;
} __attribute__ ((packed)) Platform;
/*
* World - creates and handles an area of land
*/
class World {
protected:
/*
* struct line_t
*
* The world is stored in an array of lines. Example:
*
* ||
* ||| || |
* |||||||||
* line no. 123456789...
*
*/
struct line_t {
bool gs;
float y,gh[2];
unsigned char color;
} __attribute__ ((packed)) *line;
/*
* Keeps a dynamically allocated array of platforms in the world.
*/
std::vector<Platform> platform;
/*
* Contains the starting x-coordinate to draw the world at. This should be equal to
* - getWidth() (see world.cpp) / 2
*/
int x_start;
/*
* Runs world detection for a single entity. This function is used in World->detect()
* to detect the player and all entities in the world.
*/
void singleDetect(Entity *e);
/*
* The size of the line array. This is set once by World->generate().
*/
unsigned int lineCount;
public:
/*
* These pointers keep track of worlds that are adjacent to this one. Used in ui.cpp
* for world jumping.
*/
World *toLeft,
*toRight,
*behind,
*infront;
/*
* Constructor and deconstructor, these do what you would expect.
*/
World(void);
~World(void); // Frees the 'line' array.
/*
* Generate a world of width `width`. This function is virtual so that other world
* classes that are based on this one can generate themselves their own way.
*/
virtual void generate(unsigned int width);
/*
* Looks for the furthest back layer in this world and adds a new layer of width `width` behind it.
*/
void addLayer(unsigned int width);
/*
* Draw the world and entities based on the player's coordinates. Virtual for the same
* reason generate() is.
*/
virtual void draw(Player *p);
/*
* Detect the player and any entities in the current world.
*/
void detect(Player *p);
/*
* These functions return the pointer to the world in the direction that is requested if it
* exists and the player is in a condition that it can make the switch, otherwise they
* return the current world.
*/
World *goWorldLeft(Player *p);
World *goWorldRight(Player *p);
World *goWorldBack(Player *p);
World *goWorldFront(Player *p);
/*
* Called to enter/exit a structure.
*/
World *goInsideStructure(Player *p);
/*
* These functions add features to the world.
*/
void addPlatform(float x,float y,float w,float h);
void addHole(unsigned int start,unsigned int end);
/*
* Get's the world's width.
*/
int getTheWidth(void);
};
/*
* Gets a good base y value for background rendering.
*/
float worldGetYBase(World *w);
/*
* IndoorWorld - Indoor settings stored in a World class ;)
*/
class IndoorWorld : public World {
public:
IndoorWorld(void);
~IndoorWorld(void);
void generate(unsigned int width); // Generates a flat world of width 'width'
void draw(Player *p); // Draws the world (ignores layers)
};
extern int worldShade;
#endif // WORLD_H
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