From fefdd0625750462dc366ffed22c97d0d2633a65c Mon Sep 17 00:00:00 2001
From: KikooDX <kikoodx@paranoici.org>
Date: Sun, 27 Dec 2020 01:26:57 +0100
Subject: [PATCH] Base of input buffering structure.

---
 include/input.h |  3 ++-
 src/input.c     | 21 ++++++++++++++-------
 src/main.c      |  4 ++--
 3 files changed, 18 insertions(+), 10 deletions(-)

diff --git a/include/input.h b/include/input.h
index dc2c13d..7612441 100644
--- a/include/input.h
+++ b/include/input.h
@@ -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);
diff --git a/src/input.c b/src/input.c
index cf5581a..7b8ba84 100644
--- a/src/input.c
+++ b/src/input.c
@@ -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));
 	}
 }
 
diff --git a/src/main.c b/src/main.c
index 7129ce4..7cdc741 100644
--- a/src/main.c
+++ b/src/main.c
@@ -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