refactor(engine): use C string literals instead of cstr macro

3 files changed, 16 insertions, 35 deletions

diff --git a/Cargo.lock b/Cargo.lock
index c7be114..a203ee2 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -109,16 +109,6 @@ dependencies = [
 ]
 
 [[package]]
-name = "cstr"
-version = "0.2.11"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8aa998c33a6d3271e3678950a22134cd7dd27cef86dee1b611b5b14207d1d90b"
-dependencies = [
- "proc-macro2",
- "quote",
-]
-
-[[package]]
 name = "ecs"
 version = "0.1.0"
 dependencies = [
@@ -145,7 +135,6 @@ name = "engine"
 version = "0.1.0"
 dependencies = [
  "bitflags 2.4.0",
- "cstr",
  "ecs",
  "gl",
  "glfw",
diff --git a/engine/Cargo.toml b/engine/Cargo.toml
index 6d5effe..b3868ac 100644
--- a/engine/Cargo.toml
+++ b/engine/Cargo.toml
@@ -11,7 +11,6 @@ glfw = { path = "../glfw", features = ["opengl"] }
 thiserror = "1.0.49"
 gl = "0.14.0"
 bitflags = "2.4.0"
-cstr = "0.2.11"
 tracing = { version = "0.1.39", optional = true }
 seq-macro = "0.3.5"
 paste = "1.0.14"
diff --git a/engine/src/renderer/opengl.rs b/engine/src/renderer/opengl.rs
index 888f760..463e654 100644
--- a/engine/src/renderer/opengl.rs
+++ b/engine/src/renderer/opengl.rs
@@ -5,7 +5,6 @@ use std::ffi::{c_void, CString};
 use std::ops::Deref;
 use std::process::abort;
 
-use cstr::cstr;
 use ecs::actions::Actions;
 use ecs::component::local::Local;
 use ecs::query::options::{Not, With};
@@ -427,14 +426,12 @@ fn apply_transformation_matrices(
     window_size: Dimens<u32>,
 )
 {
-    gl_shader_program.set_uniform_matrix_4fv(
-        cstr!("model"),
-        &create_transformation_matrix(transformation),
-    );
+    gl_shader_program
+        .set_uniform_matrix_4fv(c"model", &create_transformation_matrix(transformation));
 
     let view = create_view(camera, camera_pos);
 
-    gl_shader_program.set_uniform_matrix_4fv(cstr!("view"), &view);
+    gl_shader_program.set_uniform_matrix_4fv(c"view", &view);
 
     #[allow(clippy::cast_precision_loss)]
     let projection = match &camera.projection {
@@ -444,7 +441,7 @@ fn apply_transformation_matrices(
         ),
     };
 
-    gl_shader_program.set_uniform_matrix_4fv(cstr!("projection"), &projection);
+    gl_shader_program.set_uniform_matrix_4fv(c"projection", &projection);
 }
 
 fn apply_light<PointLightHolder>(
@@ -488,10 +485,8 @@ fn apply_light<PointLightHolder>(
 
     // There probably won't be more than 2147483648 directional lights
     #[allow(clippy::cast_possible_wrap, clippy::cast_possible_truncation)]
-    gl_shader_program.set_uniform_1i(
-        cstr!("directional_light_cnt"),
-        directional_lights.len() as i32,
-    );
+    gl_shader_program
+        .set_uniform_1i(c"directional_light_cnt", directional_lights.len() as i32);
 
     for (point_light_index, point_light) in point_lights.iter().enumerate() {
         gl_shader_program.set_uniform_vec_3fv(
@@ -516,10 +511,10 @@ fn apply_light<PointLightHolder>(
 
     // There probably won't be more than 2147483648 point lights
     #[allow(clippy::cast_possible_wrap, clippy::cast_possible_truncation)]
-    gl_shader_program.set_uniform_1i(cstr!("point_light_cnt"), point_lights.len() as i32);
+    gl_shader_program.set_uniform_1i(c"point_light_cnt", point_lights.len() as i32);
 
     gl_shader_program.set_uniform_vec_3fv(
-        cstr!("material.ambient"),
+        c"material.ambient",
         &if material_flags.use_ambient_color {
             material.ambient.clone()
         } else {
@@ -529,35 +524,33 @@ fn apply_light<PointLightHolder>(
     );
 
     gl_shader_program
-        .set_uniform_vec_3fv(cstr!("material.diffuse"), &material.diffuse.clone().into());
+        .set_uniform_vec_3fv(c"material.diffuse", &material.diffuse.clone().into());
 
     #[allow(clippy::cast_possible_wrap)]
-    gl_shader_program.set_uniform_vec_3fv(
-        cstr!("material.specular"),
-        &material.specular.clone().into(),
-    );
+    gl_shader_program
+        .set_uniform_vec_3fv(c"material.specular", &material.specular.clone().into());
 
     #[allow(clippy::cast_possible_wrap)]
     gl_shader_program.set_uniform_1i(
-        cstr!("material.ambient_map"),
+        c"material.ambient_map",
         material.ambient_map.into_inner() as i32,
     );
 
     #[allow(clippy::cast_possible_wrap)]
     gl_shader_program.set_uniform_1i(
-        cstr!("material.diffuse_map"),
+        c"material.diffuse_map",
         material.diffuse_map.into_inner() as i32,
     );
 
     #[allow(clippy::cast_possible_wrap)]
     gl_shader_program.set_uniform_1i(
-        cstr!("material.specular_map"),
+        c"material.specular_map",
         material.specular_map.into_inner() as i32,
     );
 
-    gl_shader_program.set_uniform_1fv(cstr!("material.shininess"), material.shininess);
+    gl_shader_program.set_uniform_1fv(c"material.shininess", material.shininess);
 
-    gl_shader_program.set_uniform_vec_3fv(cstr!("view_pos"), &camera_pos.position);
+    gl_shader_program.set_uniform_vec_3fv(c"view_pos", &camera_pos.position);
 }
 
 fn set_light_attenuation_uniforms(