From cc913d364f90b48641e265c977be666515f4cf46 Mon Sep 17 00:00:00 2001
From: Vaimer9 <vaim3r9@gmail.com>
Date: Mon, 23 Jan 2023 16:23:47 +0530
Subject: [PATCH] Matrices! Changed mat3, mat4 types to sized arrays

---
 include/core/matrix.h |  4 ++--
 src/Shaders.c         | 18 +++++++++++++++++-
 2 files changed, 19 insertions(+), 3 deletions(-)

diff --git a/include/core/matrix.h b/include/core/matrix.h
index 556bc47..f11fed8 100644
--- a/include/core/matrix.h
+++ b/include/core/matrix.h
@@ -1,4 +1,4 @@
 #pragma once
 
-typedef float* mat3;
-typedef float* mat4;
+typedef float mat3[9];
+typedef float mat4[16];
diff --git a/src/Shaders.c b/src/Shaders.c
index e06b124..c34288c 100644
--- a/src/Shaders.c
+++ b/src/Shaders.c
@@ -144,6 +144,14 @@ void upload_shader_vec4(shader_program program, const char* var, vec4 value)
 
 void upload_shader_mat3(shader_program program, const char* var, mat3 value)
 {
+    if (!value)
+    {
+        #ifdef MUZZLE_VERBOSE
+            log_status(STATUS_ERROR, "Failed to upload mat3 to shader");
+        #endif
+        return;
+    }
+
     GLuint uniform_location = glGetUniformLocation(program, var);
     glUseProgram(program);
     glUniformMatrix3fv(uniform_location, 1, 0, value);
@@ -153,8 +161,16 @@ void upload_shader_mat3(shader_program program, const char* var, mat3 value)
     #endif
 }
 
-void upload_shader_mat4(shader_program program, const char* var, mat  value)
+void upload_shader_mat4(shader_program program, const char* var, mat4 value)
 {
+    if (!value)
+    {
+        #ifdef MUZZLE_VERBOSE
+            log_status(STATUS_ERROR, "Failed to upload mat4 to shader");
+        #endif
+        return;
+    }
+
     GLuint uniform_location = glGetUniformLocation(program, var);
     glUseProgram(program);
     glUniformMatrix3fv(uniform_location, 1, 0, value);