Load bones, bone indices and weights into model

linear_alg.h

@@ -1,6 +1,8 @@
 #ifndef LINEAR_ALG_H
 #define LINEAR_ALG_H
 
+#include <stdint.h>
+
 #define PI 3.14159265358979323846264
 
 typedef struct {
@@ -15,6 +17,10 @@ typedef struct {
 	vec4_t x, y, z, w;
 } mat4_t;
 
+typedef struct {
+	uint16_t x, y, z, w;
+} u16_vec4_t;
+
 // clang-format off
 #define MAT4_ID \
 	(mat4_t) { \