shader hotreload; better circle shader; add nogame for setup help; fix io.mod; add joystick input; fix entity hotreload; implement array length in C; add default game.size

scripts/base.js

@@ -976,11 +976,7 @@ swizz.forEach(function(x) {
 make_swizz();
 
 Object.defineProperty(Array.prototype, 'normalized', {
-  value: function() {
+  value: function() { return vector.norm(this); }
-    var c = this.slice();
-    var len = Vector.length(c);
-    return c.map(v => v/len);
-  }
 });
 
 Object.defineProperty(Array.prototype, 'newfirst', {

scripts/entity.js

@@ -73,7 +73,7 @@ var entity = {
   delay(fn, seconds) {
     var timers = this.timers;
     var stop = function() {
-      delete timers[guid];
+      timers.remove(stop);
       execute = undefined;
       stop = undefined;
       rm?.();
@@ -98,8 +98,7 @@ var entity = {
     }
     
     var rm = Register.update.register(update);
-    var guid = prosperon.guid();
+    timers.push(stop);
-    timers[guid] = (stop);
     return stop;
   },
   
@@ -151,7 +150,7 @@ var entity = {
       ent.guid = prosperon.guid();
       ent.components = {};
       ent.objects = {};
-      ent.timers = {};
+      ent.timers = [];
       ent.ur = {};
     });
 /*    

scripts/input.js

@@ -213,10 +213,26 @@ input.print_pawn_kbm = function(pawn) {
   return str;
 };
 
+var joysticks = {};
+
+joysticks["wasd"] = {
+  uy: "w",
+  dy: "s",
+  ux: "d",
+  dx: "a"
+};
+
 input.procdown = function()
 {
   for (var k in downkeys)
     player[0].raw_input(keyname_extd(k), "down");
+
+  for (var i in joysticks) {
+    var joy = joysticks[i];
+    var x = joy.ux - joy.dx;
+    var y = joy.uy - joy.dy;
+    player[0].joy_input(i, joysticks[i]);
+  }
 }
 
 input.print_md_kbm = function(pawn) {
@@ -301,6 +317,23 @@ var Player = {
     };
   },
 
+  joy_input(name, joystick) {
+    for (var pawn of this.pawns.reversed()) {
+      if (!pawn.inputs) return;
+      if (!pawn.inputs.joystick) return;
+      if (!pawn.inputs.joystick[name]) return;
+
+      var x = 0;
+      if (input.keyboard.down(joystick.ux)) x++;
+      if (input.keyboard.down(joystick.dx)) x--;
+      var y  = 0;
+      if (input.keyboard.down(joystick.uy)) y++;
+      if (input.keyboard.down(joystick.dy)) y--;
+
+      pawn.inputs.joystick[name](x,y);
+    }
+  },
+
   raw_input(cmd, state, ...args) {
     for (var pawn of this.pawns.reversed()) {
       if (!pawn.inputs) {

scripts/nogame.js

@@ -0,0 +1,4 @@
+this.hud = function()
+{
+  mum.label("No game yet! Make game.js to get started!", {pos:game.size.scale(0.5), anchor:[0.5,0.5]});
+}

scripts/render.js

@@ -154,6 +154,7 @@ render.set_camera = function(cam)
 }
 
 var shader_cache = {};
+var shader_times = {};
 
 function strip_shader_inputs(shader)
 {
@@ -161,42 +162,27 @@ function strip_shader_inputs(shader)
     a.name = a.name.slice(2);
 }
 
-function make_shader(shader)
+render.hotreload = function()
 {
-  if (shader_cache[shader]) return shader_cache[shader];
+  for (var i in shader_times) {
-  
+    if (io.mod(i) <= shader_times[i]) continue;
-  var file = shader;
+    say(`HOT RELOADING SHADER ${i}`);
-  shader = io.slurp(shader);
+    shader_times[i] = io.mod(i);
-  if (!shader) {
+    var obj = create_shader_obj(i);
-    console.info(`not found! slurping shaders/${file}`);
+    obj = obj[os.sys()];
-    shader = io.slurp(`shaders/${file}`);
-  }
-  var writejson = `.prosperon/${file.name()}.shader.json`;
-
-  profile.cache("shader", file);
-  
-  breakme: if (io.exists(writejson)) {
-    var data = json.decode(io.slurp(writejson));
-    var filemod = io.mod(writejson);
-    if (!data.files) break breakme;
-    for (var i of data.files) {
-      if (io.mod(i) > filemod) {
-        break breakme;
-      }
-    }
-
-    profile.endcache(" [cached]");
-    var shaderobj = json.decode(io.slurp(writejson));
-    var obj = shaderobj[os.sys()];
-    strip_shader_inputs(obj);
     obj.pipe = render.pipeline(obj);
-    shader_cache[shader] = obj;
+    var old = shader_cache[i];
-    return obj;
+    Object.assign(shader_cache[i], obj);
+    cur.bind = undefined;
+    cur.mesh = undefined;
   }
+}
 
-  var out = `.prosperon/${file.name()}.shader`;
+function create_shader_obj(file)
-  
+{
   var files = [file];
+  var out = ".prosperon/tmp.shader";
+  var shader = io.slurp(file);
 
   var incs = shader.match(/#include <.*>/g);
   if (incs)
@@ -223,7 +209,6 @@ function make_shader(shader)
   
   shader = shader.replace(/uniform\s+(\w+)\s+(\w+);/g, "uniform _$2 { $1 $2; };");
   shader = shader.replace(/(texture2D|sampler) /g, "uniform $1 ");
-//  shader = shader.replace(/uniform texture2D ?(.*);/g, "uniform _$1_size { vec2 $1_size; };\nuniform texture2D $1;");
 
   io.slurpwrite(out, shader);
 
@@ -253,11 +238,11 @@ function make_shader(shader)
   }
 
   add_code(obj.vs);
-  if (!obj.fs)
+  if (!obj.fs && obj.vs.fs) {
-   if (obj.vs.fs) {
      obj.fs = obj.vs.fs;
      delete obj.vs.fs;
-    }
+  }
+  
   add_code(obj.fs);
   
   obj.blend = blend;
@@ -296,19 +281,58 @@ function make_shader(shader)
   
   obj.name = file;
 
+  strip_shader_inputs(obj);
+
   compiled[platform] = obj;
   }
 
   compiled.files = files;
+  compiled.source = shader;
   
+  return compiled;
+}
+
+function make_shader(shader)
+{
+  if (shader_cache[shader]) return shader_cache[shader];
+  
+  var file = shader;
+  shader = io.slurp(file);
+  if (!shader) {
+    console.info(`not found! slurping shaders/${file}`);
+    shader = io.slurp(`shaders/${file}`);
+  }
+  var writejson = `.prosperon/${file.name()}.shader.json`;
+
+  profile.cache("shader", file);
+  
+  breakme: if (io.exists(writejson)) {
+    var data = json.decode(io.slurp(writejson));
+    var filemod = io.mod(writejson);
+    if (!data.files) break breakme;
+    for (var i of data.files) {
+      if (io.mod(i) > filemod) {
+        break breakme;
+      }
+    }
+
+    profile.endcache(" [cached]");
+    var shaderobj = json.decode(io.slurp(writejson));
+    var obj = shaderobj[os.sys()];
+    obj.pipe = render.pipeline(obj);
+    shader_cache[file] = obj;
+    shader_times[file] = io.mod(file);
+    return obj;
+  }
+  
+  var compiled = create_shader_obj(file);
   io.slurpwrite(writejson, json.encode(compiled));
-  profile.endcache();
-  
   var obj = compiled[os.sys()];
-  strip_shader_inputs(obj);
   obj.pipe = render.pipeline(obj);
 
-  shader_cache[shader] = obj;
+  shader_cache[file] = obj;
+  shader_times[file] = io.mod(file);
+  
   return obj;
 }
 
@@ -372,7 +396,7 @@ function sg_bind(mesh, ssbo)
   if (cur.shader.vs.inputs)
   for (var a of cur.shader.vs.inputs) {
     if (!(a.name in mesh)) {
-      console.error(`cannot draw shader ${cur.shader.name}; there is no attrib ${a.name} in the given mesh.`);
+      console.error(`cannot draw shader ${cur.shader.name}; there is no attrib ${a.name} in the given mesh. ${json.encode(mesh)}`);
       return undefined;
     } else
       bind.attrib.push(mesh[a.name]);
@@ -540,17 +564,25 @@ render.sprites = function render_sprites(gridsize = 1)
   profile.endframe();
 }
 
-render.circle = function render_circle(pos, radius, color) {
+render.circle = function render_circle(pos, radius, color, inner_radius = 1) {
   flush();
+
+  if (inner_radius >= 1)
+    inner_radius = inner_radius/radius;
+  else if (inner_radius < 0)
+    inner_radius = 1.0;
+    
   var mat = {
     radius: radius,
+    inner_r: inner_radius,
     coord: pos,
-    shade: color
+    shade: color,
   };
   render.use_shader(circleshader);
   render.use_mat(mat);
   render.draw(shape.quad);
 }
+render.circle.doc = "Draw a circle at pos, with a given radius and color. If inner_radius is between 0 and 1, it acts as a percentage of radius. If it is above 1, is acts as a unit (usually a pixel).";
 
 render.poly = function render_poly(points, color, transform) {
   var buffer = render.poly_prim(points);
@@ -799,7 +831,6 @@ render.set_font = function(path, size) {
 }
 
 render.doc = "Draw shapes in screen space.";
-//render.circle.doc = "Draw a circle at pos, with a given radius and color.";
 render.cross.doc = "Draw a cross centered at pos, with arm length size.";
 render.arrow.doc = "Draw an arrow from start to end, with wings of length wingspan at angle wingangle.";
 render.rectangle.doc = "Draw a rectangle, with its corners at lowerleft and upperright.";
@@ -972,13 +1003,17 @@ prosperon.process = function process() {
   var dt = profile.secs(profile.now()) - frame_t;
   frame_t = profile.secs(profile.now());
 
+  profile.frame("hotreload");
+  actor.hotreload();
+  render.hotreload();
+  profile.endframe();
+
   /* debugging: check for gc */
   profile.print_gc();
 
   var cycles = os.check_cycles();
   if (cycles) say(cycles);
 
-
   profile.frame("app update");
   prosperon.appupdate(dt);
   profile.endframe();

scripts/std.js

@@ -251,12 +251,18 @@ Cmdline.register_order("play", function(argv) {
 
   var project = json.decode(io.slurp(projectfile));
   game.title = project.title;
+  game.size = [1280,720];
+  window.size = game.size;
   global.mixin("config.js");
   if (project.title) window.title = project.title;
 
   game.engine_start(function() {
     render.set_font("fonts/c64.ttf", 8);
-    global.app = actor.spawn("game.js");
+    if (io.exists("game.js"))
+      global.app = actor.spawn("game.js");
+    else
+      global.app = actor.spawn("scripts/nogame.js");
+      
     if (project.icon) window.set_icon(game.texture(project.icon));
     game.camera = world.spawn("scripts/camera2d");
   });  

shaders/circle.cg

@@ -27,17 +27,19 @@ void main() {
 in vec2 coords;
 in float rad;
 uniform vec4 shade;
+uniform float inner_r;
 out vec4 color;
 void main() {
   float px = 1/rad;
+  float blur = 1.0+px;
   float R = 1;
-  float R2 = 0.90;
+  float R2 = 1-inner_r;
-  float dist = sqrt(dot(coords,coords));
+  float dist = distance(vec2(0,0),coords);
-  float sm = 1 - smoothstep(R-px,R,dist);
+  float sm = 1 - smoothstep(R-px,R*blur,dist);
-  float sm2 = smoothstep(R2-px,R2,dist);
+  float sm2 = smoothstep(R2-px,R2*blur,dist);
   
   float alpha = sm*sm2;
-  color = vec4(shade.xyz, alpha*alpha);
+  color = vec4(shade.xyz, alpha*shade.a);
 }
 @end
 

source/engine/jsffi.c

@@ -157,6 +157,7 @@ void js_setprop_num(JSValue obj, uint32_t i, JSValue v) { JS_SetPropertyUint32(j
 
 JSValue js_getpropidx(JSValue v, uint32_t i)
 {
+  if (!JS_IsArray(js, v)) return JS_UNDEFINED;
   JSValue p = JS_GetPropertyUint32(js, v, i);
   JS_FreeValue(js,p);
   return p;
@@ -401,6 +402,13 @@ HMM_Vec3 js2vec3(JSValue v)
   return v3;
 }
 
+HMM_Vec3 js2vec3f(JSValue v)
+{
+  HMM_Vec3 vec;
+  vec.x = vec.y = vec.z = js2number(v);
+  return vec;
+}
+
 JSValue vec32js(HMM_Vec3 v)
 {
   JSValue array = JS_NewArray(js);
@@ -410,6 +418,8 @@ JSValue vec32js(HMM_Vec3 v)
   return array;
 }
 
+JSValue vec3f2js(HMM_Vec3 v) { return vec32js(v); }
+
 JSValue quat2js(HMM_Quat q)
 {
   JSValue arr = JS_NewArray(js);
@@ -428,6 +438,22 @@ HMM_Vec4 js2vec4(JSValue v)
   return v4;
 }
 
+double arr_vec_length(JSValue v)
+{
+  int len = js_arrlen(v);
+  switch(len) {
+    case 2: return HMM_LenV2(js2vec2(v));
+    case 3: return HMM_LenV3(js2vec3(v));
+    case 4: return HMM_LenV4(js2vec4(v));
+  }
+
+  double sum = 0;
+  for (int i = 0; i < len; i++)
+    sum += pow(js2number(js_getpropidx(v, i)), 2);
+
+  return sqrt(sum);
+}
+
 HMM_Quat js2quat(JSValue v)
 {
   return js2vec4(v).quat;
@@ -1242,7 +1268,14 @@ JSC_CCALL(vector_norm,
     case 3: return vec32js(HMM_NormV3(js2vec3(argv[0])));
     case 4: return vec42js(HMM_NormV4(js2vec4(argv[0])));
   }
-  return argv[0];
+
+  double length = arr_vec_length(argv[0]);
+  JSValue newarr = JS_NewArray(js);
+
+  for (int i = 0; i < len; i++)
+    js_setprop_num(newarr, i, number2js(js2number(js_getpropidx(argv[0],i))/length));
+
+  return newarr;
 )
 
 JSC_CCALL(vector_angle_between,
@@ -1318,18 +1351,7 @@ JSC_CCALL(vector_angledist,
 )
 
 JSC_CCALL(vector_length,
-  int len = js_arrlen(argv[0]);
+  return number2js(arr_vec_length(argv[0]));
-  switch(len) {
-    case 2: return number2js(HMM_LenV2(js2vec2(argv[0])));
-    case 3: return number2js(HMM_LenV3(js2vec3(argv[0])));
-    case 4: return number2js(HMM_LenV4(js2vec4(argv[0])));
-  }
-
-  double sum = 0;
-  for (int i = 0; i < len; i++)
-    sum += pow(js2number(js_getpropidx(argv[0], i)), 2);
-
-  return number2js(sqrt(sum));
 )
 
 double r2()
@@ -1853,7 +1875,7 @@ static const JSCFunctionListEntry js_physics_funcs[] = {
 };
 
 JSC_GETSET(transform, pos, vec3)
-JSC_GETSET(transform, scale, vec3)
+JSC_GETSET(transform, scale, vec3f)
 JSC_GETSET(transform, rotation, quat)
 JSC_CCALL(transform_move, transform_move(js2transform(self), js2vec3(argv[0])); )
 
@@ -2617,6 +2639,10 @@ JSC_CCALL(os_dump_mem,
   ret = tmp2js(tmp);
 )
 
+JSC_CCALL(os_value_id,
+  return number2js((intptr_t)JS_VALUE_GET_PTR(argv[0]));
+)
+
 static double gc_t = 0;
 static double gc_mem = 0;
 static double gc_startmem = 0;
@@ -3106,7 +3132,8 @@ static const JSCFunctionListEntry js_os_funcs[] = {
   MIST_FUNC_DEF(os, calc_mem, 1),
   MIST_FUNC_DEF(os, check_gc, 0),
   MIST_FUNC_DEF(os, check_cycles, 0),
-  MIST_FUNC_DEF(os, memstate, 0)
+  MIST_FUNC_DEF(os, memstate, 0),
+  MIST_FUNC_DEF(os, value_id, 1)
 };
 
 #include "steam.h"

source/engine/resources.c

@@ -159,7 +159,9 @@ time_t file_mod_secs(const char *file) {
   mz_uint index;
   mz_zip_archive_file_stat pstat;
 
-  if ((index = mz_zip_reader_locate_file(&game_cdb, file, NULL, 0)) != -1) {
+  if (!stat(file,&attr))
+    return attr.st_mtime;
+  else if ((index = mz_zip_reader_locate_file(&game_cdb, file, NULL, 0)) != -1) {
     mz_zip_reader_file_stat(&game_cdb, index,&pstat);
     return pstat.m_time;
   }
@@ -170,7 +172,7 @@ time_t file_mod_secs(const char *file) {
   else
     stat(file, &attr);
     
-  return attr.st_mtime;
+  return -1;
 }
 
 // TODO: Not reentrant