input_overlay.c File Reference

#include <stdlib.h>
#include <stddef.h>
#include <string.h>
#include <math.h>
#include <clamping.h>
#include "../configuration.h"
#include "../verbosity.h"
#include "../gfx/video_driver.h"
#include "input_overlay.h"

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Classes
struct	input_overlay_state
struct	input_overlay

Macros
#define	OVERLAY_GET_KEY(state, key)   (((state)->keys[(key) / 32] >> ((key) % 32)) & 1)
#define	OVERLAY_SET_KEY(state, key)   (state)->keys[(key) / 32] |= 1 << ((key) % 32)
#define	MAX_VISIBILITY   32

Typedefs
typedef struct input_overlay_state	input_overlay_state_t

Functions
static bool	input_overlay_add_inputs_inner (overlay_desc_t *desc, unsigned port, unsigned analog_dpad_mode)
static bool	input_overlay_add_inputs (input_overlay_t *ol, unsigned port, unsigned analog_dpad_mode)
static void	input_overlay_scale (struct overlay *ol, float scale)
static void	input_overlay_set_vertex_geom (input_overlay_t *ol)
void	input_overlay_set_scale_factor (input_overlay_t *ol, float scale)
void	input_overlay_free_overlay (struct overlay *overlay)
static void	input_overlay_free_overlays (input_overlay_t *ol)
static void	input_overlay_load_active (input_overlay_t *ol, float opacity)
static void	input_overlay_enable (input_overlay_t *ol, bool enable)
static bool	inside_hitbox (const struct overlay_desc *desc, float x, float y)
static void	input_overlay_poll (input_overlay_t *ol, input_overlay_state_t *out, int16_t norm_x, int16_t norm_y)
static void	input_overlay_update_desc_geom (input_overlay_t *ol, struct overlay_desc *desc)
static void	input_overlay_post_poll (input_overlay_t *ol, float opacity)
static void	input_overlay_poll_clear (input_overlay_t *ol, float opacity)
void	input_overlay_next (input_overlay_t *ol, float opacity)
void	input_overlay_free (input_overlay_t *ol)
void	input_overlay_loaded (void *task_data, void *user_data, const char *err)
void	input_overlay_set_visibility (int overlay_idx, enum overlay_visibility vis)
static enum overlay_visibility	input_overlay_get_visibility (int overlay_idx)
static bool	input_overlay_is_hidden (int overlay_idx)
void	input_overlay_set_alpha_mod (input_overlay_t *ol, float mod)
bool	input_overlay_is_alive (input_overlay_t *ol)
bool	input_overlay_key_pressed (input_overlay_t *ol, unsigned key)
void	input_poll_overlay (input_overlay_t *ol, float opacity, unsigned analog_dpad_mode, float axis_threshold)
void	input_state_overlay (input_overlay_t *ol, int16_t *ret, unsigned port, unsigned device, unsigned idx, unsigned id)

Variables
static enum overlay_visibility *	visibility = NULL
input_overlay_t *	overlay_ptr = NULL

Macro Definition Documentation

MAX_VISIBILITY

#define MAX_VISIBILITY   32

OVERLAY_GET_KEY

#define OVERLAY_GET_KEY	(		state,
			key
	)		(((state)->keys[(key) / 32] >> ((key) % 32)) & 1)

OVERLAY_SET_KEY

#define OVERLAY_SET_KEY	(		state,
			key
	)		(state)->keys[(key) / 32] |= 1 << ((key) % 32)

Typedef Documentation

input_overlay_state_t

typedef struct input_overlay_state input_overlay_state_t

Function Documentation

input_overlay_add_inputs()

static bool input_overlay_add_inputs ( input_overlay_t *  ol, unsigned  port, unsigned  analog_dpad_mode  )

static

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input_overlay_add_inputs_inner()

static bool input_overlay_add_inputs_inner ( overlay_desc_t *  desc, unsigned  port, unsigned  analog_dpad_mode  )

static

input_overlay_add_inputs: : pointer to overlay : the user to show the inputs of

Adds inputs from current_input to the overlay, so it's displayed returns true if an input that is pressed will change the overlay

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input_overlay_enable()

static void input_overlay_enable ( input_overlay_t *  ol, bool  enable  )

static

input_overlay_enable: : Enable or disable the overlay

Enable or disable the overlay.

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input_overlay_free()

void input_overlay_free

(

input_overlay_t *

ol

)

input_overlay_free: : Overlay handle.

Frees overlay handle.

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input_overlay_free_overlay()

void input_overlay_free_overlay

(

struct overlay *

overlay

)

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input_overlay_free_overlays()

static void input_overlay_free_overlays ( input_overlay_t *  ol )

static

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input_overlay_get_visibility()

static enum overlay_visibility input_overlay_get_visibility ( int  overlay_idx )

static

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input_overlay_is_alive()

bool input_overlay_is_alive

(

input_overlay_t *

ol

)

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input_overlay_is_hidden()

static bool input_overlay_is_hidden ( int  overlay_idx )

static

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input_overlay_key_pressed()

bool input_overlay_key_pressed	(	input_overlay_t *	ol,
		unsigned	key
	)

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input_overlay_load_active()

static void input_overlay_load_active ( input_overlay_t *  ol, float  opacity  )

static

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input_overlay_loaded()

void input_overlay_loaded	(	void *	task_data,
		void *	user_data,
		const char *	err
	)

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input_overlay_next()

void input_overlay_next	(	input_overlay_t *	ol,
		float	opacity
	)

input_overlay_next: : Overlay handle.

Switch to the next available overlay screen.

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input_overlay_poll()

static void input_overlay_poll ( input_overlay_t *  ol, input_overlay_state_t *  out, int16_t  norm_x, int16_t  norm_y  )

static

input_overlay_poll: : Polled output data. : Normalized X coordinate. : Normalized Y coordinate.

Polls input overlay.

and are the result of input_translate_coord_viewport().

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input_overlay_poll_clear()

static void input_overlay_poll_clear ( input_overlay_t *  ol, float  opacity  )

static

input_overlay_poll_clear: : overlay handle

Call when there is nothing to poll. Allows overlay to clear certain state.

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input_overlay_post_poll()

static void input_overlay_post_poll ( input_overlay_t *  ol, float  opacity  )

static

input_overlay_post_poll:

Called after all the input_overlay_poll() calls to update the range modifiers for pressed/unpressed regions and alpha mods.

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input_overlay_scale()

static void input_overlay_scale ( struct overlay *  ol, float  scale  )

static

input_overlay_scale: : Overlay handle. : Scaling factor.

Scales overlay and all its associated descriptors by a given scaling factor ().

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input_overlay_set_alpha_mod()

void input_overlay_set_alpha_mod	(	input_overlay_t *	ol,
		float	mod
	)

input_overlay_set_alpha_mod: : Overlay handle. : New modulating factor to apply.

Sets a modulating factor for alpha channel. Default is 1.0. The alpha factor is applied for all overlays.

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input_overlay_set_scale_factor()

void input_overlay_set_scale_factor	(	input_overlay_t *	ol,
		float	scale
	)

input_overlay_set_scale_factor: : Overlay handle. : Factor of scale to apply.

Scales the overlay by a factor of scale.

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input_overlay_set_vertex_geom()

static void input_overlay_set_vertex_geom ( input_overlay_t *  ol )

static

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input_overlay_set_visibility()

void input_overlay_set_visibility	(	int	overlay_idx,
		enum overlay_visibility	vis
	)

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input_overlay_update_desc_geom()

static void input_overlay_update_desc_geom ( input_overlay_t *  ol, struct overlay_desc *  desc  )

static

input_overlay_update_desc_geom: : overlay handle. : overlay descriptors handle.

Update input overlay descriptors' vertex geometry.

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input_poll_overlay()

void input_poll_overlay	(	input_overlay_t *	ol,
		float	opacity,
		unsigned	analog_dpad_mode,
		float	axis_threshold
	)

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input_state_overlay()

void input_state_overlay	(	input_overlay_t *	ol,
		int16_t *	ret,
		unsigned	port,
		unsigned	device,
		unsigned	idx,
		unsigned	id
	)

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inside_hitbox()

static bool inside_hitbox ( const struct overlay_desc *  desc, float  x, float  y  )

static

inside_hitbox: : Overlay descriptor handle. : X coordinate value. : Y coordinate value.

Check whether the given and coordinates of the overlay descriptor is inside the overlay descriptor's hitbox.

Returns: true (1) if X, Y coordinates are inside a hitbox, otherwise false (0).

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Variable Documentation

overlay_ptr

input_overlay_t* overlay_ptr = NULL

visibility

enum overlay_visibility* visibility = NULL

static