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starfighter
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Added proper analog support.

This commit is contained in:
Layla Marchant 2020-06-21 22:19:28 -04:00
parent aa356c6747
commit 13a2f0fba5
5 changed files with 52 additions and 45 deletions
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3
src/defs.h
View File

@ -103,6 +103,9 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
#define BRIEFING_WIDTH 520
#define JS_DEADZONE 0.05
#define JS_MAX (32767 - JS_DEADZONE*32767)
// Object Flags
#define FL_WEAPCO (1L << 0)
#define FL_FRIEND (1L << 1)

3
src/engine.c
View File

@ -103,6 +103,9 @@ void engine_init()
for (int i = 0; i < KEY_LAST; i++)
engine.keyState[i] = 0;
engine.xaxis = 0;
engine.yaxis = 0;
engine.eventTimer = 0;
engine.counter2 = 0;
engine.timeTaken = 0;

4
src/engine.h
View File

@ -92,7 +92,9 @@ typedef struct Engine_ {
char configDirectory[PATH_MAX];
char keyState[KEY_LAST];
int keyState[KEY_LAST];
double xaxis;
double yaxis;
int cheat; // overall cheat
int cheatShield;

45
src/game.c
View File

@ -1339,6 +1339,8 @@ static void game_doPlayer()
int shapeToUse;
float cd;
float cc;
double xm = 0;
double ym = 0;
int xmoved = 0;
int ymoved = 0;
char msg[STRMAX];
@ -1444,34 +1446,27 @@ static void game_doPlayer()
LIMIT_ADD(player.reload[0], -1, 0, 999);
LIMIT_ADD(player.reload[1], -1, 0, 999);
if (engine.keyState[KEY_UP])
xm = engine.keyState[KEY_RIGHT] - engine.keyState[KEY_LEFT];
if (!xm)
xm = engine.xaxis;
if (xm)
{
player.y -= player.speed;
engine.ssy += 0.1;
ymoved = 1;
}
if (engine.keyState[KEY_DOWN])
{
player.y += player.speed;
engine.ssy -= 0.1;
ymoved = 1;
}
if (engine.keyState[KEY_LEFT])
{
player.x -= player.speed;
engine.ssx += 0.1;
player.face = 1;
player.x += xm * player.speed;
engine.ssx -= xm * 0.1;
player.face = (xm < 0 ? 1 : 0);
xmoved = 1;
}
if (engine.keyState[KEY_RIGHT])
ym = engine.keyState[KEY_DOWN] - engine.keyState[KEY_UP];
if (!ym)
ym = engine.yaxis;
if (ym)
{
player.x += player.speed;
engine.ssx -= 0.1;
player.face = 0;
xmoved = 1;
player.y += ym * player.speed;
engine.ssy -= ym * 0.1;
ymoved = 1;
}
if (engine.keyState[KEY_ESCAPE])
@ -1650,6 +1645,8 @@ static void game_doPlayer()
engine.keyState[KEY_DOWN] = 0;
engine.keyState[KEY_LEFT] = 0;
engine.keyState[KEY_RIGHT] = 0;
engine.xaxis = 0;
engine.yaxis = 0;
if (CHANCE(1. / 3.))
explosion_add(player.x + RANDRANGE(-10, 10),
player.y + RANDRANGE(-10, 10), SP_BIG_EXPLOSION);
@ -2705,6 +2702,8 @@ int game_mainLoop()
engine.keyState[KEY_RIGHT] = 0;
engine.keyState[KEY_FIRE] = 0;
engine.keyState[KEY_ALTFIRE] = 0;
engine.xaxis = 0;
engine.yaxis = 0;
LIMIT_ADD(engine.musicVolume, -0.2, 0, 100);
audio_setMusicVolume(engine.musicVolume);
}

42
src/player.c
View File

@ -17,6 +17,9 @@ You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <math.h>
#include <stdlib.h>
#include "SDL.h"
#include "defs.h"
@ -243,8 +246,7 @@ static enum keys mapkey(int code) {
void player_getInput()
{
static int prevjoyup, prevjoydown, prevjoyleft, prevjoyright;
int joyup, joydown, joyleft, joyright;
double val;
static int px = -1, py = -1;
int x, y, w, h;
@ -315,21 +317,15 @@ void player_getInput()
break;
case SDL_JOYAXISMOTION:
if (engine.event.jaxis.axis == 1) {
joyup = engine.event.jaxis.value < -16384;
joydown = engine.event.jaxis.value >= 16384;
if (joyup != prevjoyup)
engine.keyState[KEY_UP] = prevjoyup = joyup;
if (joydown != prevjoydown)
engine.keyState[KEY_DOWN] = prevjoydown = joydown;
} else if (engine.event.jaxis.axis == 0) {
joyleft = engine.event.jaxis.value < -16384;
joyright = engine.event.jaxis.value >= 16384;
if (joyleft != prevjoyleft)
engine.keyState[KEY_LEFT] = prevjoyleft = joyleft;
if (joyright != prevjoyright)
engine.keyState[KEY_RIGHT] = prevjoyright = joyright;
}
val = MIN(1, (double)(abs(engine.event.jaxis.value)) / JS_MAX);
if (val < JS_DEADZONE)
val = 0;
if (engine.event.jaxis.axis == 0)
engine.xaxis = copysign(val, engine.event.jaxis.value);
else if (engine.event.jaxis.axis == 1)
engine.yaxis = copysign(val, engine.event.jaxis.value);
break;
case SDL_WINDOWEVENT:
@ -365,14 +361,18 @@ void player_getInput()
x = screen->w * x / w;
y = screen->h * y / h;
if (px == x && py == y) {
if(engine.keyState[KEY_UP] && engine.cursor_y > 0)
if (engine.keyState[KEY_UP])
engine.cursor_y -= 4;
if(engine.keyState[KEY_DOWN] && engine.cursor_y < screen->h - 4)
if (engine.keyState[KEY_DOWN])
engine.cursor_y += 4;
if(engine.keyState[KEY_LEFT] && engine.cursor_x > 0)
if (engine.keyState[KEY_LEFT])
engine.cursor_x -= 4;
if(engine.keyState[KEY_RIGHT] && engine.cursor_x < screen->w - 4)
if (engine.keyState[KEY_RIGHT])
engine.cursor_x += 4;
if (engine.xaxis)
engine.cursor_x += 10 * engine.xaxis;
if (engine.yaxis)
engine.cursor_y += 10 * engine.yaxis;
} else {
engine.cursor_x = px = x;
engine.cursor_y = py = y;