lol

docs/odin.md

@@ -0,0 +1,22 @@
+# Odin
+
+This document contains specifics about the workings of the Odin programming
+language, dynamic linking and state management design patterns. These are
+tested and validated findings, for continued reference by me.
+
+## Dynamic Library Memory
+
+When a program loads in a dynamic library, what happens with package globals?
+
+Findings (macOS):
+- The package globals are shared between the host and the lib
+- After hot reloading the lib, the memory of the packge is not refreshed,
+  it keeps pointing to the package global of the host
+
+The clanker states this is due to "flat-namespace symbol interposition".
+
+Linux "ELF has symbol preemption: when resolving references, ld.so searches
+globals scope in order — executable first, then loaded shared objects".
+
+Windows PE has no interposition at all, every module (exe and each DLL) has its
+own symbol table.

game/game.odin

@@ -5,11 +5,12 @@ import "core:time"
 import "core:fmt"
 
 import "sindri:core"
+import "sindri:test"
 
 // -----------------------------------------
 
 Game_Memory :: struct {
-	should_close: bool
+	should_close: bool,
 }
 
 g: ^Game_Memory
@@ -54,6 +55,8 @@ settings :: proc() -> core.Settings {
 @(export)
 init_once :: proc() {
 	fmt.println("init once")
+
+	test.test_proc = proc() {}
 }
 
 @(export)
@@ -62,6 +65,8 @@ init :: proc() {
 
 	g = new(Game_Memory)
 	memory_set(g)
+
+	test.test_proc = proc() { asd := 2 }
 }
 
 @(export)
@@ -71,6 +76,10 @@ update :: proc(dt: f32) {
 	if input.key_state(.Key_Escape) == .Press {
 		g.should_close = true
 	}
+
+	fmt.println("GAME:", test.test)
+	fmt.printf("pointer: %p | %p\n", &test.test, &test.test_proc)
+	test.test += 1
 }
 
 @(export)
@@ -84,19 +93,17 @@ start := time.tick_now()
 should_close :: proc() -> bool {
 	elapsed := time.tick_since(start)
 	seconds := time.duration_seconds(elapsed)
-	if seconds > 4 do return true
+	// if seconds > 4 do return true
 
 	return g.should_close
 }
 
 @(export)
 force_reload :: proc() -> bool {
-	// TODO: read keypress
+	return input.key_state(.Key_F5) == .Press
-	return false
 }
 
 @(export)
 force_restart :: proc() -> bool {
-	// TODO: read keypress
+	return input.key_state(.Key_F6) == .Press
-	return false
 }

src/event/event.odin

@@ -9,7 +9,8 @@ import "sindri:input"
 
 // event category, bitfield (?)
 
-Event_Data :: union {
+// Event_Data :: union {
+Event :: union {
 	Window_Close_Event,
 	Window_Resize_Event,
 	Joystick_Connect_Event,
@@ -23,10 +24,10 @@ Event_Data :: union {
 	Mouse_Scroll_Event,
 }
 
-Event :: struct {
+// Event :: struct {
-	data:    Event_Data,
+// 	data:    Event_Data,
-	handled: bool,
+// 	handled: bool,
-}
+// }
 
 Window_Close_Event :: struct {
 	handled: bool,
@@ -94,7 +95,7 @@ Mouse_Scroll_Event :: struct {
 // Variables
 
 // I want to have a list of Listeners per Event type, but this is state
-listeners: map[typeid][dynamic]Listener
+// listeners: map[typeid][dynamic]Listener
 
 // -----------------------------------------
 // Public functions

src/main.odin

@@ -2,6 +2,7 @@ package sindri
 
 import "core:fmt"
 import "core:time"
+import "sindri:test"
 
 import "sindri:hot_reload"
 import "sindri:platform"
@@ -41,6 +42,9 @@ main :: proc() {
 		platform.os_poll_events()
 		api.update(dt)
 
+		fmt.println("MAIN:", test.test)
+		fmt.printf("pointer: %p | %p\n", &test.test, &test.test_proc)
+
 		platform.frame(dt)
 
 		dt = f32(time.duration_seconds(time.tick_since(start)))

src/test/test.odin

@@ -0,0 +1,5 @@
+package test
+
+test: int = 0
+
+test_proc: proc()