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Base of input buffering structure.

This commit is contained in:
KikooDX 2020-12-27 01:26:57 +01:00
parent 03b2204811
commit fefdd06257
3 changed files with 18 additions and 10 deletions
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3
include/input.h
View File

@ -25,10 +25,11 @@ enum {
typedef struct Input {
uint8_t keys[KEYS_COUNT];
uint8_t states[KEYS_COUNT];
uint last_press[KEYS_COUNT];
} Input;
/* will check for new key inputs and update states[] */
void input_step(Input *input);
void input_step(Input *input, uint step);
/* initialize values */
void input_init(Input *input);

21
src/input.c
View File

@ -3,18 +3,25 @@
#include "input.h"
void input_step(Input *input) {
void input_step(Input *input, uint step) {
/* read all inputs */
clearevents();
/* for each key, update it's state */
/* For each key, update it's state and --if needed-- last press
* time. */
for (int i = 0; i < KEYS_COUNT; ++i) {
uint8_t *state = &input->states[i];
uint8_t key = input->keys[i];
/* get if the key is pressed */
bool pressed = keydown(key);
const uint8_t key = input->keys[i];
/* see if the key is pressed */
const bool pressed = keydown(key);
/* update input status */
if (pressed) {
*state = (*state == S_RELEASED || *state == S_UP) ? S_PRESSED : S_DOWN;
if (*state == S_RELEASED || *state == S_UP) {
*state = S_PRESSED;
input->last_press[i] = step;
}
else {
*state = S_DOWN;
}
}
else {
*state = (*state == S_PRESSED || *state == S_DOWN) ? S_RELEASED : S_UP;
@ -32,6 +39,7 @@ void input_init(Input *input) {
input->keys[K_EXIT] = KEY_EXIT;
for (int i = 0; i < KEYS_COUNT; ++i) {
input->states[i] = S_UP;
input->last_press[i] = 0;
}
}
@ -44,7 +52,6 @@ void input_draw_debug(Input *input) {
dprint(48, i * 10, C_BLACK, "P%d", input_is_pressed(input, i));
dprint(64, i * 10, C_BLACK, "U%d", input_is_up(input, i));
dprint(80, i * 10, C_BLACK, "R%d", input_is_released(input, i));
dprint(96, i * 10, C_BLACK, "V%d", (int)input_is_down(input, i));
}
}

4
src/main.c
View File

@ -84,7 +84,7 @@ int callback(volatile void *arg) {
void step_event(Player *player, const Level *level, Camera *camera, Input *input, uint step) {
//getkey();
input_step(input);
input_step(input, step);
player_step(player, input, level);
level_step(level);
camera_step(camera);
@ -95,7 +95,7 @@ void draw_event(Player *player, const Level *level, Camera *camera, Input *input
level_draw(level, camera);
player_draw(player, camera);
#ifdef DEBUG
camera_draw_debug(camera);
//camera_draw_debug(camera);
//input_draw_debug(input);
//player_draw_debug(player, step, level, 0);
#endif