improve script hot reload

src/lua/pxl8.lua

@@ -14,7 +14,7 @@ local transition = require("pxl8.transition")
 local anim = require("pxl8.anim")
 local sfx = require("pxl8.sfx")
 
-core.init(_pxl8_gfx, _pxl8_input, _pxl8_sfx_mixer, _pxl8_sys)
+core.init(_pxl8_gfx, _pxl8_input, _pxl8_rng, _pxl8_sfx_mixer, _pxl8_sys)
 
 local pxl8 = {}
 
@@ -29,6 +29,11 @@ pxl8.debug = core.debug
 pxl8.trace = core.trace
 pxl8.quit = core.quit
 
+pxl8.rng_seed = core.rng_seed
+pxl8.rng_next = core.rng_next
+pxl8.rng_f32 = core.rng_f32
+pxl8.rng_range = core.rng_range
+
 pxl8.clear = gfx2d.clear
 pxl8.pixel = gfx2d.pixel
 pxl8.line = gfx2d.line

src/lua/pxl8/core.lua

@@ -3,9 +3,10 @@ local C = ffi.C
 
 local core = {}
 
-function core.init(gfx, input, sfx_mixer, sys)
+function core.init(gfx, input, rng, sfx_mixer, sys)
     core.gfx = gfx
     core.input = input
+    core.rng = rng
     core.sfx_mixer = sfx_mixer
     core.sys = sys
 end
@@ -72,4 +73,20 @@ function core.quit()
     C.pxl8_set_running(core.sys, false)
 end
 
+function core.rng_seed(seed)
+    C.pxl8_rng_seed(core.rng, seed)
+end
+
+function core.rng_next()
+    return C.pxl8_rng_next(core.rng)
+end
+
+function core.rng_f32()
+    return C.pxl8_rng_f32(core.rng)
+end
+
+function core.rng_range(min, max)
+    return C.pxl8_rng_range(core.rng, min, max)
+end
+
 return core

src/lua/pxl8/particles.lua

@@ -5,7 +5,7 @@ local core = require("pxl8.core")
 local particles = {}
 
 function particles.new(max_count)
-    return C.pxl8_particles_create(max_count or 1000)
+    return C.pxl8_particles_create(max_count or 1000, core.rng)
 end
 
 function particles.destroy(ps)

src/lua/pxl8/sfx.lua

@@ -124,8 +124,8 @@ function sfx.note_to_freq(note)
     return C.pxl8_sfx_note_to_freq(note)
 end
 
-function sfx.play_note(ctx, note, params, volume)
-    return C.pxl8_sfx_play_note(ctx, note, params, volume or 0.8)
+function sfx.play_note(ctx, note, params, volume, duration)
+    return C.pxl8_sfx_play_note(ctx, note, params, volume or 0.8, duration or 0)
 end
 
 function sfx.release_voice(ctx, voice_id)