stability

docs/game.adoc

@@ -50,44 +50,3 @@ be rendered: is it a sprite, is it a texture, does it have mipmaps,
 etc. Textures are all file based, and are only accessed through the
 explicit path to their associated image file.
 
-.Scripting
-
-Levels and objects have certain functions you can use that will be
-called at particular times during the course of the game running.
-
-setup
-  Called once, when the object is created.
-
-start
-  Called once when the gameplay is simulating.
-
-update(dt)
-  Called once per frame, while the game is simulating
-
-physupdate(dt)
-  Called once per physics step
-
-stop
-  Called when the object is destroyed, either by being killed or otherwise.
-
-.Collider functions
-Colliders get special functions to help with collision handling.
-
-collide(hit)
-  Called when an object collides with the object this function is on.
-
-"hit" object
-  normal - A vector in the direction the hit happened
-  hit - Object ID of colliding object
-  sensor - True if the colliding object is a sensor
-  velocity - A vector of the velocity of the collision
-
-.Draw functions
-draw()
-  Called during lower rendering
-
-gui()
-  Called for screen space over the top rendering
-
-debug()
-  Called during a debug phase; Will not be called when debug draw is off

docs/scripting.md

@@ -1,3 +1,46 @@
 # Yugine Scripting
 
-Scripting is done with mruby. MAY CHANGE.
+Scripting is done with JS.
+
+Load up objects with functions that are called back at specific times.
+
+Levels and objects have certain functions you can use that will be
+called at particular times during the course of the game running.
+
+setup
+  Called once, when the object is created.
+
+start
+  Called once when the gameplay is simulating.
+
+update(dt)
+  Called once per frame, while the game is simulating
+
+physupdate(dt)
+  Called once per physics step
+
+stop
+  Called when the object is destroyed, either by being killed or otherwise.
+
+.Collider functions
+Colliders get special functions to help with collision handling.
+
+collide(hit)
+  Called when an object collides with the object this function is on.
+
+"hit" object
+  normal - A vector in the direction the hit happened
+  hit - Object ID of colliding object
+  sensor - True if the colliding object is a sensor
+  velocity - A vector of the velocity of the collision
+
+.Draw functions
+draw()
+  Called during lower rendering
+
+gui()
+  Called for screen space over the top rendering
+
+debug()
+  Called during a debug phase; Will not be called when debug draw is off
+  

source/engine/2dphysics.c

@@ -164,6 +164,8 @@ void phys2d_init()
 {
   space = cpSpaceNew();
   cpSpaceSetSleepTimeThreshold(space, 1);
+  cpSpaceSetCollisionSlop(space, 0.01);
+  cpSpaceSetCollisionBias(space, cpfpow(1.0-0.5, 165.f));
 }
 
 void phys2d_set_gravity(cpVect v) {
@@ -613,6 +615,7 @@ void duk_call_phys_cb(cpVect norm, struct callee c, int hit, cpArbiter *arb) {
   JS_SetPropertyStr(js, obj, "sensor", JS_NewBool(js, cpShapeGetSensor(shape2)));
   JS_SetPropertyStr(js, obj, "velocity", vec2js(cpArbiterGetSurfaceVelocity(arb)));
   JS_SetPropertyStr(js, obj, "pos", vec2js(cpArbiterGetPointA(arb, 0)));
+  JS_SetPropertyStr(js,obj,"depth", num2js(cpArbiterGetDepth(arb,0)));
   JS_SetPropertyStr(js, obj, "id", JS_NewInt32(js,hit));
   JS_SetPropertyStr(js,obj,"obj", JS_DupValue(js,id2go(hit)->ref));
 

source/engine/debug/debugdraw.c

@@ -81,7 +81,6 @@ static struct circle_vertex circle_b[v_amt];
 
 void debug_flush()
 {
-
   if (poly_c != 0) {
   sg_apply_pipeline(poly_pipe);
   sg_apply_bindings(&poly_bind);
@@ -136,7 +135,6 @@ void debug_flush()
   sg_draw(0,4,circle_count);
   circle_count = 0;
   }
-  
 }
 
 static sg_shader_uniform_block_desc projection_ubo = {
@@ -586,7 +584,7 @@ void draw_poly(cpVect *points, int n, struct rgba color)
   /* Find polygon mesh */
   int tric = n - 2;
   
-  if (n < 1) return;
+  if (tric < 1) return;
    
   uint32_t tridxs[tric*3];
   

source/engine/ffi.c

@@ -899,7 +899,7 @@ JSValue duk_cmd(JSContext *js, JSValueConst this, int argc, JSValueConst *argv)
     return JS_NULL;
 
   case 83:
-    draw_edge(js2cpvec2arr(argv[1]), 2, js2color(argv[2]), 1, 0, 0, js2color(argv[2]), 10);
+    draw_edge(js2cpvec2arr(argv[1]), js_arrlen(argv[1]), js2color(argv[2]), js2number(argv[3]), 0, 0, js2color(argv[2]), 10);
     return JS_NULL;
 
   case 84:
@@ -1021,6 +1021,14 @@ JSValue duk_cmd(JSContext *js, JSValueConst this, int argc, JSValueConst *argv)
     case 115:
       draw_circle(js2vec2(argv[1]), js2number(argv[2]), js2number(argv[2]), js2color(argv[3]), -1);
       break;
+
+    case 116:
+      return str2js(tex_get_path(js2sprite(argv[1])->tex));
+    case 117:
+      str = JS_ToCString(js, argv[1]);
+      ret = JS_NewInt64(js, script_runfile(str));
+      break;
+    
   }
 
   if (str)

source/engine/script.c

@@ -53,8 +53,10 @@ void script_init() {
     num_cache[i] = int2js(i);
 }
 
-void script_run(const char *script) {
+void script_run(const char *script, const char *file) {
-  JS_FreeValue(js, JS_Eval(js, script, strlen(script), "script", JS_EVAL_FLAGS));
+  JSValue obj = JS_Eval(js, script, strlen(script), file, JS_EVAL_FLAGS);
+  js_print_exception(obj);
+  JS_FreeValue(js,obj);
 }
 
 void compile_script(const char *file) {
@@ -91,9 +93,11 @@ int js_print_exception(JSValue v) {
 #ifdef DBG
   if (JS_IsException(v)) {
     JSValue exception = JS_GetException(js);
+    
     /* TODO: Does it need freed if null? */
     if (JS_IsNull(exception))
       return 0;
+      
     JSValue val = JS_GetPropertyStr(js, exception, "stack");
     const char *name = JS_ToCString(js, JS_GetPropertyStr(js, exception, "name"));
     const char *msg = JS_ToCString(js, JS_GetPropertyStr(js, exception, "message"));
@@ -112,17 +116,27 @@ int js_print_exception(JSValue v) {
   return 0;
 }
 
+
+
 int script_dofile(const char *file) {
-  YughInfo("Doing script %s", file);
   const char *script = slurp_text(file);
   if (!script) {
     YughError("Can't find file %s.", file);
     return 0;
   }
-  JSValue obj = JS_Eval(js, script, strlen(script), file, JS_EVAL_FLAGS);
+  script_run(script,file);
-  js_print_exception(obj);
+  free(script);
-  JS_FreeValue(js, obj);
+  return file_mod_secs(file);
+}
 
+int script_runfile(const char *file)
+{
+  const char *script = slurp_text(file);
+  int bufsize = strlen(script)+50;
+  char scriptbuffer[bufsize];
+  snprintf(scriptbuffer,bufsize, "(function(){%s})()", script);
+  script_run(scriptbuffer,file);
+  free(script);
   return file_mod_secs(file);
 }
 

source/engine/script.h

@@ -18,8 +18,9 @@ extern JSValue num_cache[100];
 void js_stacktrace();
 void script_startup();
 void script_init();
-void script_run(const char *script);
+void script_run(const char *script, const char *file);
 int script_dofile(const char *file);
+int script_runfile(const char *file);
 void script_update(double dt);
 void script_draw();
 

source/engine/sprite.c

@@ -19,7 +19,6 @@ static int first = -1;
 
 static sg_pipeline pip_sprite;
 static sg_bindings bind_sprite;
-static int sprite_c = 0;
 
 int make_sprite(int go) {
   struct sprite sprite = {

source/engine/texture.c

@@ -156,7 +156,7 @@ char *tex_get_path(struct Texture *tex) {
     }
   }
 
-  return NULL;
+  return "";
 }
 
 struct Texture *texture_loadfromfile(const char *path) {

source/engine/texture.h

@@ -61,8 +61,8 @@ struct TextureOptions {
 /* Represents an actual texture on the GPU */
 struct Texture {
     sg_image id; /* ID reference for the GPU memory location of the texture */
-    int width;
+    uint16_t width;
-    int height;
+    uint16_t height;
     unsigned char *data;
     struct TextureOptions opts;
     struct TexAnim anim;

source/engine/timer.c

@@ -73,6 +73,7 @@ void timer_remove(int id) {
   struct timer *t = id2timer(id);
   if (t->owndata) free(t->data);
   t->next = first;
+  t->on = 0;  
   first = id;
 }
 

source/engine/yugine.c

@@ -42,8 +42,8 @@ double physlag = 0;
 double updatelag = 0;
 
 double renderMS = 1 / 165.f;
-double physMS = 1 / 240.f;
+double physMS = 1 / 165.f;
-double updateMS = 1 / 60.f;
+double updateMS = 1 / 165.f;
 
 static int ed = 1;
 static int sim_play = 0;
@@ -234,14 +234,14 @@ int main(int argc, char **args) {
       timer_update(elapsed * timescale);
       physlag += elapsed;
       call_updates(elapsed * timescale);
-      while (physlag >= physMS) {
+//      while (physlag >= physMS) {
         phys_step = 1;
         physlag -= physMS;
         phys2d_update(physMS * timescale);
 	call_physics(physMS * timescale);
         if (sim_play == SIM_STEP) sim_pause();
         phys_step = 0;
-      }
+//      }
     }
 
     renderlag += elapsed;

source/scripts/components.js

@@ -33,17 +33,13 @@ var sprite = clone(component, {
   angle: 0,
   rect: {s0:0, s1: 1, t0: 0, t1: 1},
 
-  input_kp7_pressed() { this.pos = [-1,0]; },
+  get dimensions() { return cmd(64,this.path); },
-  input_kp6_pressed() { this.pos = [0,-0.5]; },
+  set dimensions(x) {},
-  input_kp5_pressed() { this.pos = [-0.5,-0.5]; },
-  input_kp4_pressed() { this.pos = [-1,-0.5]; },
-  input_kp3_pressed() { this.pos = [0, -1]; },
-  input_kp2_pressed() { this.pos = [-0.5,-1]; },
-  input_kp1_pressed() { this.pos = [-1,-1]; },
 
   make(go) {
-    var old = this;
+    var sprite = Object.create(this);
-    var sprite = clone(this, {
+    sprite.id = make_sprite(go,this.path,this.pos);
+    complete_assign(sprite, {
       get enabled() { return cmd(114,this.id); },
       set enabled(x) { cmd(20,this.id,x); },
       set color(x) { cmd(96,this.id,x); },
@@ -51,10 +47,9 @@ var sprite = clone(component, {
       set pos(x) { cmd(37,this.id,x); },
       set layer(x) { cmd(60, this.id, x); },
       get layer() { return this.gameobject.draw_layer; },
-      set path(x) { cmd(12,this.id,x,this.rect); },
 
       get boundingbox() {
-        var dim = cmd(64,this.path);
+        var dim = this.dimensions;
 	dim = dim.scale(this.gameobject.scale);
 	var realpos = this.pos.copy();
 	realpos.x = realpos.x * dim.x + (dim.x/2);
@@ -62,21 +57,25 @@ var sprite = clone(component, {
 	return cwh2bb(realpos,dim);
       },
 
+      sync() {
+        if (this.path)
+          cmd(12,this.id,this.path,this.rect);
+      },
+
       kill() { cmd(9,this.id); },
     });
-
+    sprite = new Proxy(sprite, sync_proxy);
     sprite.obscure('boundingbox');
-
-    var id = make_sprite(go,old.path,old.pos);
-
-    Object.defineProperty(sprite, 'id', {value:id});
-
-    Object.assign(sprite, this);
-
     return sprite;
   },
   
-
+  input_kp7_pressed() { this.pos = [-1,0]; },
+  input_kp6_pressed() { this.pos = [0,-0.5]; },
+  input_kp5_pressed() { this.pos = [-0.5,-0.5]; },
+  input_kp4_pressed() { this.pos = [-1,-0.5]; },
+  input_kp3_pressed() { this.pos = [0, -1]; },
+  input_kp2_pressed() { this.pos = [-0.5,-1]; },
+  input_kp1_pressed() { this.pos = [-1,-1]; },
 });
 
 /* Container to play sprites and anim2ds */
@@ -100,10 +99,39 @@ var char2d = clone(sprite, {
   },
   
   make(go) {
-    var char = clone(this);
+    var char = clone(this, {
+      get enabled() { return cmd(114,this.id); },
+      set enabled(x) { cmd(20,this.id,x); },
+      set color(x) { cmd(96,this.id,x); },
+      get pos() { return cmd(111, this.id); },
+      set pos(x) { cmd(37,this.id,x); },
+      set layer(x) { cmd(60, this.id, x); },
+      get layer() { return this.gameobject.draw_layer; },
+
+      get boundingbox() {
+        var dim = cmd(64,this.path);
+	dim = dim.scale(this.gameobject.scale);	
+	dim.x *= 1/6;
+	var realpos = [0,0];
+//	var realpos = this.pos.slice();
+
+//	realpos.x = realpos.x * dim.x + (dim.x/2);
+//	realpos.y = realpos.y * dim.y + (dim.y/2);
+	return cwh2bb(realpos,dim);
+      },
+
+      sync() {
+        if (this.path)
+	  cmd(12,this.id,this.path,this.rect);
+      },
+
+      kill() { cmd(9,this.id); },
+    });
+
     char.curplaying = char.anims.array()[0];
     char.obscure('curplaying');
-    Object.defineProperty(char, 'id', {value:make_sprite(go,char.curplaying.path,this.pos)});
+    char.id = make_sprite(go, char.curplaying.path, this.pos);    
+
     char.obscure('id');
     char.frame = 0;
     char.timer = timer.make(char.advance.bind(char), 1/char.curplaying.fps);
@@ -254,11 +282,12 @@ var polygon2d = clone(collider2d, {
     complete_assign(poly, this.make_fns);
     complete_assign(poly, {
       get boundingbox() {
-        return points2bb(this.points.map(x => x.scale(this.gameobject.scale)));
+        return points2bb(this.spoints);
       },
 
       sync() { cmd_poly2d(0, this.id, this.spoints); }
     });
+    
     poly.obscure('boundingbox');
 
     poly.defn('points', this.points.copy());
@@ -268,6 +297,8 @@ var polygon2d = clone(collider2d, {
     Object.defineProperty(poly, 'id', {enumerable:false});
     Object.defineProperty(poly, 'shape', {enumerable:false});
 
+    poly.sync();
+
     return poly;
   },
 
@@ -278,7 +309,6 @@ var polygon2d = clone(collider2d, {
     this.points = sortpointsccw(this.points);
   },
 
-  
   input_b_pressed() {
     if (!Keys.ctrl()) return;
     

source/scripts/debug.js

@@ -55,7 +55,8 @@ var Debug = {
     register_debug(fn,obj);
   },
 
-  line(points, color, type) {
+  line(points, color, type, thickness) {
+    thickness ??= 1;
     if (!type)
       type = 0;
 
@@ -64,7 +65,7 @@ var Debug = {
       
     switch (type) {
       case 0:
-        cmd(83, points, color);
+        cmd(83, points, color, thickness);
     }
   },
 };

source/scripts/engine.js

@@ -1,8 +1,5 @@
 var files = {};
 function load(file) {
-  if (typeof Log !== 'undefined')
-    Log.warn(`doing ${file}`);
-    
   var modtime = cmd(0, file);
 
   if (modtime === 0) {
@@ -12,6 +9,17 @@ function load(file) {
   files[file] = modtime;
 }
 
+function run(file)
+{
+  var modtime = cmd(117,file);
+  if (modtime === 0) {
+    Log.stack();
+    return false;
+  }
+
+  files[file] = modtime;
+}
+
 load("scripts/base.js");
 
 var Log = {
@@ -167,6 +175,16 @@ var Yugine = {
 };
 
 var timer = {
+  guardfn(fn) {
+    if (typeof fn === 'function')
+      fn();
+    else {
+      Log.warn("TIMER TRYING TO EXECUTE WIHTOUT!!!");
+      Log.warn(this);
+      this.kill();
+    }
+  },
+
   make(fn, secs,obj,loop) {
     if (secs === 0) {
       fn.call(obj);
@@ -174,7 +192,7 @@ var timer = {
     }
       
     var t = clone(this);
-    t.id = make_timer(fn, secs, obj);
+    t.id = make_timer(this.guardfn.bind(t,fn), secs, obj);
     
     return t;
   },
@@ -484,6 +502,7 @@ var Register = {
 
   nk_guis: [],
   nk_gui() {
+
     this.nk_guis.forEach(x => x[0].call(x[1]));
   },
 
@@ -514,12 +533,13 @@ var Register = {
   },
 
   unregister_obj(obj) {
+//    Log.warn(`Unregister ${JSON.stringify(obj)}`);  
     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.debugs = this.debugs.filter(x => x[1] !== obj);
     this.physupdates = this.physupdates.filter(x => x[1] !== obj);
-
+    this.draws = this.draws.filter(x => x[1] !== obj);
     Player.players.forEach(x => x.uncontrol(obj));
   },
 
@@ -538,7 +558,6 @@ var Register = {
   },
 };
 
-Register.unregister_obj(null);
 register(0, Register.update, Register);
 register(1, Register.physupdate, Register);
 register(2, Register.gui, Register);
@@ -568,7 +587,7 @@ function register_debug(fn, obj) {
 };
 
 function unregister_gui(fn, obj) {
-  Register.guis = Register.guis.filter(x => x[0] !== fn && x[1] !== obj);
+  Register.guis = Register.guis.filter(x => x[0] !== fn || x[1] !== obj);
 };
 
 function register_nk_gui(fn, obj) {
@@ -608,7 +627,7 @@ var Signal = {
     register_collide(3,fn,obj,go.body);
   },
 
-  clear_obj(obj) {
+  clera_obj(obj) {
     this.signals.filter(function(x) { return x[1] !== obj; });
   },
 };
@@ -635,6 +654,7 @@ function reloadfiles() {
 
 load("scripts/debug.js");
 
+/*
 function Color(from) {
   var color = Object.create(Array);
   Object.defineProperty(color, 'r', setelem(0));
@@ -647,6 +667,7 @@ function Color(from) {
 
   return color;
 };
+*/
 
 load("scripts/components.js");
 
@@ -1266,15 +1287,7 @@ function grab_from_points(pos, points, slop) {
 };
 
 var gameobject = {
-  get scale() { return this._scale; },
+  scale: 1.0,
-  set scale(x) {
-    this._scale = Math.max(0,x);
-    if (this.body > -1)
-      cmd(36, this.body, this._scale);
-
-    this.sync();
-  },
-  _scale: 1.0,
 
   save: true,
   
@@ -1427,11 +1440,11 @@ var gameobject = {
     this.instances.forEach(function(x) { x.sync(); });
   },
   
-  pulse(vec) {
+  pulse(vec) { /* apply impulse */
     set_body(4, this.body, vec);
   },
 
-  push(vec) {
+  push(vec) { /* apply force */
     set_body(12,this.body,vec);
   },
 
@@ -1477,6 +1490,18 @@ var gameobject = {
     return bb ? bb : cwh2bb([0,0], [0,0]);
   },
 
+  set width(x) {},
+  get width() {
+    var bb = this.boundingbox;
+    Log.warn(bb);
+    return bb.r - bb.l;
+  },
+  set height(x) {},
+  get height() {
+    var bb = this.boundingbox;
+    return bb.t-bb.b;
+  },
+
   stop() {},
 
   kill() {
@@ -1490,7 +1515,7 @@ var gameobject = {
       this.uncontrol();
       this.instances.remove(this);
       Register.unregister_obj(this);
-      Signal.clear_obj(this);
+//      Signal.clear_obj(this);
     
       this.body = -1;
       for (var key in this.components) {
@@ -1538,6 +1563,30 @@ var gameobject = {
   world2this(pos) { return cmd(70, this.body, pos); },
   this2world(pos) { return cmd(71, this.body,pos); },
 
+  check_registers(obj) {
+    Register.unregister_obj(this);
+  
+    if (typeof obj.update === 'function')
+      register_update(obj.update, obj);
+
+    if (typeof obj.physupdate === 'function')
+      register_physupdate(obj.physupdate, obj);
+
+    if (typeof obj.collide === 'function')
+      obj.register_hit(obj.collide, obj);
+
+    if (typeof obj.separate === 'function')
+      obj.register_separate(obj.separate, obj);
+
+    if (typeof obj.draw === 'function')
+      register_draw(obj.draw,obj);
+
+    obj.components.forEach(function(x) {
+      if (typeof x.collide === 'function')
+        register_collide(1, x.collide, x, obj.body, x.shape);
+    });
+  },
+
   make(props, level) {
     level ??= World;
     var obj = Object.create(this);
@@ -1600,25 +1649,7 @@ var gameobject = {
        }
     };
 
-    if (typeof obj.update === 'function')
+    obj.check_registers(obj);
-      register_update(obj.update, obj);
-
-    if (typeof obj.physupdate === 'function')
-      register_physupdate(obj.physupdate, obj);
-
-    if (typeof obj.collide === 'function')
-      obj.register_hit(obj.collide, obj);
-
-    if (typeof obj.separate === 'function')
-      obj.register_separate(obj.separate, obj);
-
-    if (typeof obj.draw === 'function')
-      register_draw(obj.draw,obj);
-
-    obj.components.forEach(function(x) {
-      if (typeof x.collide === 'function')
-        register_collide(1, x.collide, x, obj.body, x.shape);
-    });
 
     if ('begin' in obj) obj.begin();
 
@@ -1641,11 +1672,8 @@ var gameobject = {
 }
 
 
-var locks = ['visible', 'body', 'controlled', 'selectable', 'save', 'velocity', 'angularvelocity', 'alive', 'boundingbox', 'name', 'scale', 'angle', 'properties', 'moi', 'relpos', 'relangle', 'up', 'down', 'right', 'left', 'bodytype', 'gizmo', 'pos'];
+var locks = ['height', 'width', 'visible', 'body', 'controlled', 'selectable', 'save', 'velocity', 'angularvelocity', 'alive', 'boundingbox', 'name', 'scale', 'angle', 'properties', 'moi', 'relpos', 'relangle', 'up', 'down', 'right', 'left', 'bodytype', 'gizmo', 'pos'];
-locks.forEach(function(x) {
+locks.forEach(x => gameobject.obscure(x));
-  Object.defineProperty(gameobject, x, {enumerable:false});
-});
-
 /* Load configs */
 function load_configs(file) {
   var configs = JSON.parse(IO.slurp(file));
@@ -1790,3 +1818,5 @@ for (var key in prototypes) {
 }
 
 function save_gameobjects_as_prototypes() { slurpwrite(JSON.stringify(gameobjects,null,2), "proto.json"); };
+
+let Gamestate = {};

source/scripts/play.js

@@ -3,3 +3,5 @@ if (load("game.js") === false) {
   quit();
 }
 
+sim_start();
+