Add action mapping

source/engine/ffi.c

@@ -53,6 +53,11 @@ JSValue int2js(int i)
   return JS_NewInt64(js, i);
 }
 
+JSValue str2js(const char *c)
+{
+  return JS_NewString(js, c);
+}
+
 double js2number(JSValue v)
 {
   double g;
@@ -979,6 +984,10 @@ JSValue duk_register(JSContext *js, JSValueConst this, int argc, JSValueConst *a
      case 7:
        register_pawn(c);
        break;
+
+     case 8:
+       register_gamepad(c);
+       break;
      }
 
    return JS_NULL;

source/engine/ffi.h

@@ -16,5 +16,6 @@ struct color js2color(JSValue v);
 double js2number(JSValue v);
 JSValue num2js(double g);
 JSValue int2js(int i);
+JSValue str2js(const char *c);
 
 #endif

source/engine/input.c

@@ -5,6 +5,7 @@
 #include "stb_ds.h"
 #include "log.h"
 #include "ffi.h"
+#include "time.h"
 
 int32_t mouseWheelX = 0;
 int32_t mouseWheelY = 0;
@@ -24,12 +25,18 @@ static struct joystick *joysticks = NULL;
 static int mquit = 0;
 
 static struct callee pawn_callee;
+static struct callee gamepad_callee;
 
 void register_pawn(struct callee c)
 {
   pawn_callee = c;
 }
 
+void register_gamepad(struct callee c)
+{
+  gamepad_callee = c;
+}
+
 void add_downkey(int key) {
   for (int i = 0; i < arrlen(downkeys); i++)
     if (downkeys[i] == key) return;
@@ -372,17 +379,48 @@ void input_poll(double wait)
       GLFWgamepadstate state;
       if (!glfwGetGamepadState(joysticks[i].id, &state)) continue;
 
+      JSValue argv[3];
+      argv[0] = int2js(joysticks[i].id);
+      char inputstr[50];
       for (int b = 0; b < 15; b++) {
-        if (state.buttons[b]) {
+        argv[1] = str2js(gamepad2str(b));
 	
-	  if (!joysticks[i].state.buttons[b])
+        if (state.buttons[b]) {
-  	    YughWarn("Pressed button %s.", gamepad2str(b));
+	  argv[2] = int2js(0);
+	  script_callee(gamepad_callee,3,argv);
+	  
+	  if (!joysticks[i].state.buttons[b]) {
+	    argv[2] = int2js(1);
+	    script_callee(gamepad_callee,3,argv);
+	  }
 	}
 	else if (!state.buttons[b] && joysticks[i].state.buttons[b]) {
-	  YughWarn("Released button %s.", gamepad2str(b));
+	  argv[2] = int2js(2);
+	  script_callee(gamepad_callee,3,argv);
 	}
       }
 
+      argv[1] = str2js("axis_ljoy");
+      cpVect v;
+      v.x = state.axes[0];
+      v.y = -state.axes[1];
+      argv[2] = vec2js(v);
+      script_callee(gamepad_callee,3,argv);
+
+      argv[1] = str2js("axis_rjoy");
+      v.x = state.axes[2];
+      v.y = -state.axes[3];
+      argv[2] = vec2js(v);
+      script_callee(gamepad_callee,3,argv);
+
+      argv[1] = str2js("axis_ltrigger");
+      argv[2] = num2js((state.axes[4]+1)/2);
+      script_callee(gamepad_callee,3,argv);
+
+      argv[1] = str2js("axis_rtrigger");
+      argv[2] = num2js((state.axes[5]+1)/2);
+      script_callee(gamepad_callee,3,argv);      
+
       joysticks[i].state = state;
     }
 }

source/engine/input.h

@@ -26,6 +26,7 @@ const char *keyname_extd(int key, int scancode);
 int action_down(int scancode);
 
 void register_pawn(struct callee c);
+void register_gamepad(struct callee c);
 
 int want_quit();
 void quit();

source/scripts/engine.js

@@ -406,22 +406,52 @@ var physics = {
   },
 };
 
+var Action = {
+  add_new(name) {
+    var action = Object.create(Action);
+    action.name = name;
+    action.inputs = [];
+    this.actions.push(action);
+
+    return action;
+  },
+  actions: [],
+};
+
 /* May be a human player; may be an AI player */
 var Player = {
-  pawns: [],
+  players: [],
   input(fn, ...args) {
-    this.pawns.forEach(x => if (fn in x) x[fn](...args));
+    this.pawns.forEach(x => { if (fn in x) x[fn](...args); });
   },
 
   control(pawn) {
-    this.pawns.pushunique(pawn);
+    this.pawns.push_unique(pawn);
   },
 
   uncontrol(pawn) {
     this.pawns = this.pawns.filter(x => x !== pawn);
-  }
+  },
 };
 
+for (var i = 0; i < 4; i++) {
+  var player1 = Object.create(Player);
+  player1.pawns = [];
+  player1.gamepads = [];
+  Player.players.push(player1);
+}
+
+function state2str(state) {
+  switch (state) {
+    case 0:
+      return "down";
+    case 1:
+      return "pressed";
+    case 2:
+      return "released";
+  }
+}
+
 var Register = {
   updates: [],
   update(dt) {
@@ -443,16 +473,25 @@ var Register = {
     this.nk_guis.forEach(x => x[0].call(x[1]));
   },
 
-  pawns: [],
+  kbm_input(fn, ...args) {
-  pawn_input(fn, ...args) {
+    Player.players[0].input(fn, ...args);
-    this.pawns.forEach(x => {
-      if (fn in x) {
-        x[fn](...args);
-      }
-    });
   },
 
-  controller_input(
+  gamepad_playermap: [],
+  gamepad_input(pad, btn, state, ...args) {
+    var player = this.gamepad_playermap[pad];
+    if (!player) return;
+
+    var statestr = state2str(state);
+
+    var rawfn = `gamepad_${btn}_${statestr}`;
+    player.input(rawfn, ...args);
+
+    Action.actions.forEach(x => {
+      if (x.inputs.includes(btn))
+        player.input(`action_${x.name}_${statestr}`, ...args);
+    });
+  },
 
   debugs: [],
   debug() {
@@ -463,9 +502,10 @@ var Register = {
     this.updates = this.updates.filter(x => x[1] !== obj);
     this.guis = this.guis.filter(x => x[1] !== obj);
     this.nk_guis = this.nk_guis.filter(x => x[1] !== obj);
-    this.pawns = this.pawns.filter(x => x[1] !== obj);
     this.debugs = this.debugs.filter(x => x[1] !== obj);
     this.physupdates = this.physupdates.filter(x => x[1] !== obj);
+
+    Player.players.forEach(x => x.uncontrol(obj));
   },
 };
 register(0, Register.update, Register);
@@ -473,7 +513,10 @@ register(1, Register.physupdate, Register);
 register(2, Register.gui, Register);
 register(3, Register.nk_gui, Register);
 register(6, Register.debug, Register);
-register(7, Register.pawn_input, Register);
+register(7, Register.kbm_input, Register);
+register(8, Register.gamepad_input, Register);
+
+Register.gamepad_playermap[0] = Player.players[0];
 
 function register_update(fn, obj) {
   Register.updates.push([fn, obj ? obj : null]);
@@ -505,12 +548,13 @@ function unregister_nk_gui(fn, obj) {
 
 register_update(Yugine.exec, Yugine);
 
-function set_pawn(obj) {
+/* These functions are the "defaults", and give control to player0 */
-  Register.pawns.push(obj);
+function set_pawn(obj, player = Player.players[0]) {
+  player.control(obj);
 }
 
-function unset_pawn(obj) {
+function unset_pawn(obj, player = Player.players[0]) {
-  Register.pawns = Register.pawns.filter(x => x !== obj);
+  player.uncontrol(obj);
 }
 
 var Signal = {