From a2a70a0f33d7854c97243c063a596089da60d989 Mon Sep 17 00:00:00 2001
From: Synthasmagoria <synthas@protonmail.com>
Date: Fri, 24 Jul 2026 12:57:44 +0200
Subject: [PATCH] Fixed a bad reference

---
 .gitignore               |  1 +
 build_desktop.sh         |  2 +-
 libraries/pool/pool.odin |  9 +++++----
 main_desktop.odin        |  3 +++
 program.odin             | 35 ++++++++++++++++++++++++++++-------
 signal_handler.odin      |  5 +++++
 6 files changed, 43 insertions(+), 12 deletions(-)
 create mode 100644 signal_handler.odin

diff --git a/.gitignore b/.gitignore
index f97116d..07dfee8 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,3 +2,4 @@ build
 cscope.out
 cscope.in.out
 cscope.po.out
+transformation_visualizer
diff --git a/build_desktop.sh b/build_desktop.sh
index bad59ee..2083143 100755
--- a/build_desktop.sh
+++ b/build_desktop.sh
@@ -2,6 +2,6 @@
 
 OUT_DIR="build/desktop"
 mkdir -p $OUT_DIR
-odin build . -strict-style -out:$OUT_DIR/game_desktop.bin -no-bounds-check -disable-assert -o:size -extra-linker-flags:"-Wl,--gc-sections,-s"
+odin build . -out:$OUT_DIR/game -no-bounds-check -disable-assert -o:size -extra-linker-flags:"-Wl,--gc-sections,-s"
 cp -R ./assets/ ./$OUT_DIR/
 echo "Desktop build created in ${OUT_DIR}"
diff --git a/libraries/pool/pool.odin b/libraries/pool/pool.odin
index dfa6c9b..da8d5e0 100644
--- a/libraries/pool/pool.odin
+++ b/libraries/pool/pool.odin
@@ -1,14 +1,13 @@
 package adb_pool
 
 Pool :: struct($T: typeid) {
-	pool: []T,
-	usage, capacity: int,
+	pool:  []T,
+	usage: int,
 }
 
 init :: proc(pool: ^Pool($T), capacity: int, allocator := context.allocator) {
 	pool.pool = make([]T, capacity, allocator)
 	pool.usage = 0
-	pool.capacity = capacity
 }
 
 elems_available :: proc(pool: ^Pool($T), capacity: int) -> bool {
@@ -16,7 +15,9 @@ elems_available :: proc(pool: ^Pool($T), capacity: int) -> bool {
 }
 
 get :: proc(pool: ^Pool($T), count: int) -> []T {
-	elements := pool.pool[pool.usage:pool.usage + count]
+	range_to := pool.usage + count
+	assert(range_to <= len(pool.pool), "pool.get count reaches outside preallocated size")
+	elements := pool.pool[pool.usage:]
 	pool.usage += count
 	return elements
 }
diff --git a/main_desktop.odin b/main_desktop.odin
index 5aea694..e734ba5 100644
--- a/main_desktop.odin
+++ b/main_desktop.odin
@@ -10,6 +10,9 @@ main :: proc() {
 	// os.set_working_directory(exe_dir)
 	rl.ChangeDirectory(rl.GetApplicationDirectory())
 	back.register_segfault_handler()
+	context.assertion_failure_proc = back.assertion_failure_proc
+	register_illegal_instruction_handler()
+
 	context.logger = log.create_console_logger()
 
 	init()
diff --git a/program.odin b/program.odin
index fab2d7b..81a52cf 100644
--- a/program.odin
+++ b/program.odin
@@ -159,8 +159,8 @@ UiButton_AddMat4CallbackData :: struct {
 }
 
 program_add_mat4 :: proc(data: rawptr) {
-	data := cast(^UiButton_AddMat3CallbackData)data
-	field_pool_add_mat3(&data.program.matrix_field_pool, data.mat)
+	data := cast(^UiButton_AddMat4CallbackData)data
+	field_pool_add_mat4(&data.program.matrix_field_pool, data.mat)
 }
 
 field_pool_add_mat4 :: proc(pool: ^FieldPool(f32), m: mat4) {
@@ -224,17 +224,38 @@ program_matrix_mode_dropdown_callback :: proc(previous, current: i32, data: rawp
 	program_set_message_state(program, .ChangeMatrixTypeClearData)
 }
 
-program_build_ui :: proc() -> []UiElement {
-	matrix_add_button_callback_data := UiButton_AddMat2CallbackData {
-		program = &program,
-		mat = mat2{0, 1, 2, 3},
+program_add_matrix_button_data :: proc(label: cstring, matrix_type: MatrixType, allocator := context.temp_allocator) -> UiElementData_Button {
+	callback: UiElementCallback_Button
+	callback_data: rawptr
+	switch program.matrix_mode_actual {
+	case .Mat2:
+		callback = program_add_mat2
+		data := new(UiButton_AddMat2CallbackData, context.temp_allocator)
+		data^ = {program = &program, mat = mat2{0, 1, 2, 3}}
+		callback_data = cast(rawptr)data
+	case .Mat3:
+		callback = program_add_mat3
+		data := new(UiButton_AddMat3CallbackData, context.temp_allocator)
+		data^ = {program = &program, mat = mat3{0, 1, 2, 3, 4, 5, 6, 7, 8}}
+		callback_data = cast(rawptr)data
+	case .Mat4:
+		callback = program_add_mat4
+		data := new(UiButton_AddMat4CallbackData, context.temp_allocator)
+		data^ = {program = &program, mat = mat4{0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15}}
+		callback_data = cast(rawptr)data
 	}
+	return {label = label, callback = callback, callback_data = callback_data}
+}
+
+program_build_ui :: proc() -> []UiElement {
+
 
 	ui_button_size_top_bar := v2{32.0, 32.0}
 	ui_dropdown_size_top_bar := v2{96.0, 32.0}
 	ui_start(&program.ui_state)
 		ui_container_begin({label = ""})
-			ui_button(ui_button_size_top_bar, {label = "#10#", callback = program_add_mat2, callback_data = cast(rawptr)&matrix_add_button_callback_data})
+			matrix_add_data := program_add_matrix_button_data("#10#", program.matrix_mode_actual, context.temp_allocator)
+			ui_button(ui_button_size_top_bar, matrix_add_data)
 			ui_same_line()
 			ui_button(ui_button_size_top_bar, {label = "#11#"})
 			ui_same_line()
diff --git a/signal_handler.odin b/signal_handler.odin
new file mode 100644
index 0000000..4a0d3a9
--- /dev/null
+++ b/signal_handler.odin
@@ -0,0 +1,5 @@
+package main
+
+register_illegal_instruction_handler :: proc() {
+	_register_illegal_instruction_handler()
+}