better code for control tux

2 files changed, 124 insertions, 0 deletions

diff --git a/src/client/control.c b/src/client/control.c
new file mode 100644
index 0000000..5d99c66
--- /dev/null
+++ b/src/client/control.c
@@ -0,0 +1,96 @@
+
+#include <SDL.h>
+#include <limits.h>
+#include <assert.h>
+
+#include "main.h"
+#include "control.h"
+
+control_t* control_new(SDLKey arg_up, SDLKey arg_right, SDLKey arg_left, SDLKey arg_down,
+			SDLKey arg_shot, SDLKey arg_switch)
+{
+	control_t *tmp;
+
+	tmp = malloc(sizeof(control_t));
+	memset(tmp, 0, sizeof(control_t));
+	tmp->key[CONTROL_UP] = arg_up;
+	tmp->key[CONTROL_RIGHT] = arg_right;
+	tmp->key[CONTROL_LEFT] = arg_left;
+	tmp->key[CONTROL_DOWN] = arg_down;
+	tmp->key[CONTROL_SHOT] = arg_shot;
+	tmp->key[CONTROL_SWITCH] = arg_switch;
+
+	return tmp;
+}
+
+int control_get_key_route(control_t *my_control)
+{
+	Uint8 *mapa;
+	SDLKey ret_key;
+	int z;
+	int i;
+
+	assert(my_control != NULL);
+
+	ret_key = CONTROL_NONE;
+
+	mapa = SDL_GetKeyState(NULL);
+
+	for (i = 0; i<CONTROL_KEY_COUNT_ROUTE; i++)
+	{
+		if (mapa[my_control->key[i]] == SDL_PRESSED)
+		{
+			my_control->count[i]++;
+		}
+		else
+		{
+			my_control->count[i] = 0;
+		}
+	}
+
+	z = INT_MAX;
+
+	for (i = 0; i<CONTROL_KEY_COUNT_ROUTE; i++)
+	{
+		if ( my_control->count[i] > 0 &&
+		     my_control->count[i] < z &&
+		     mapa[my_control->key[i]] == SDL_PRESSED )
+		{
+			z = my_control->count[i];
+			ret_key = i;
+		}
+	}
+
+	return ret_key;
+}
+
+int control_get_key_action(control_t *my_control)
+{
+	Uint8 *mapa;
+	SDLKey ret_key;
+
+	assert(my_control != NULL);
+
+	ret_key = CONTROL_NONE;
+
+	mapa = SDL_GetKeyState(NULL);
+
+	if (mapa[my_control->key[CONTROL_SHOT]] == SDL_PRESSED)
+	{
+		return CONTROL_SHOT;
+	}
+
+	if (mapa[my_control->key[CONTROL_SWITCH]] == SDL_PRESSED)
+	{
+		return CONTROL_SWITCH;
+	}
+
+	return CONTROL_NONE;
+}
+
+void control_destroy(control_t *my_control)
+{
+	assert(my_control != NULL);
+
+	free(my_control);
+}
diff --git a/src/client/control.h b/src/client/control.h
new file mode 100644
index 0000000..f36c9b5
--- /dev/null
+++ b/src/client/control.h
@@ -0,0 +1,28 @@
+#ifndef CONTROL_H
+
+#define CONTROL_H
+
+#define CONTROL_NONE	-1
+#define CONTROL_UP	0
+#define CONTROL_RIGHT	1
+#define CONTROL_LEFT	2
+#define CONTROL_DOWN	3
+#define CONTROL_SHOT	4
+#define CONTROL_SWITCH	5
+
+#define CONTROL_KEY_COUNT_ROUTE		4
+#define CONTROL_KEY_COUNT		6
+
+typedef struct control_struct
+{
+	SDLKey key[CONTROL_KEY_COUNT];
+	int count[CONTROL_KEY_COUNT];
+} control_t;
+
+extern control_t* control_new(SDLKey arg_up, SDLKey arg_right, SDLKey arg_left, SDLKey arg_down,
+			SDLKey arg_shot, SDLKey arg_switch);
+extern int control_get_key_route(control_t *my_control);
+extern int control_get_key_action(control_t *my_control);
+extern void control_destroy(control_t *my_control);
+
+#endif