More assertions.

src/display/bitmapfont.c

@@ -11,6 +11,9 @@ tilesetdiv_t * bitmapFontGetCharacterDivision(tileset_t *tileset,
   char character
 ) {
   int32_t i = ((int32_t)character) - BITMAP_FONT_CHAR_START;
+
+  ASSERT_NOT_NULL(tileset);
+
   return tileset->divisions + i;
 }
 
@@ -24,6 +27,10 @@ bitmapfontmeasure_t bitmapFontMeasure(char *string,
     .height = 0, .lines = 1, .width = 0
   };
 
+  ASSERT_NOT_NULL(string);
+  ASSERT_GREATER_THAN(charWidth, 0);
+  ASSERT_GREATER_THAN(charHeight, 0);
+
   i = 0;
   y = 0;
   x = 0;

src/display/bitmapfont.h

@@ -7,6 +7,7 @@
 
 #pragma once
 #include "../libs.h"
+#include "../assert/assert.h"
 #include "spritebatch.h"
 #include "tileset.h"
 #include "../util/math.h"

src/display/camera.c

@@ -11,11 +11,13 @@ void cameraLookAt(camera_t *camera,
   float x, float y, float z,
   float targetX, float targetY, float targetZ
 ) {
+  ASSERT_NOT_NULL(camera);
   matrixIdentity(&camera->view);
   matrixLookAt(&camera->view, x, y, z, targetX, targetY, targetZ, 0, 1, 0);
 }
 
 void cameraLookAtStruct(camera_t *camera, cameralookat_t look) {
+  ASSERT_NOT_NULL(camera);
   cameraLookAt(camera,
     look.x, look.y, look.z, look.lookX, look.lookY, look.lookZ
   );
@@ -25,6 +27,8 @@ void cameraLook(camera_t *camera,
   float x, float y, float z,
   float pitch, float yaw, float roll
 ) {
+  ASSERT_NOT_NULL(camera);
+
   matrixIdentity(&camera->view);
   matrixLook(&camera->view, x, y, z, pitch, yaw, roll, 0, 1, 0);
 }
@@ -32,6 +36,8 @@ void cameraLook(camera_t *camera,
 void cameraPerspective(camera_t *camera,
   float fov, float aspect, float camNear, float camFar
 ) {
+  ASSERT_NOT_NULL(camera);
+
   matrixIdentity(&camera->projection);
   matrixPerspective(&camera->projection,mathDeg2Rad(fov),aspect,camNear,camFar);
 }
@@ -39,6 +45,8 @@ void cameraPerspective(camera_t *camera,
 void cameraOrtho(camera_t *camera,
   float left, float right, float bottom, float top, float camNear, float camFar
 ) {
+  ASSERT_NOT_NULL(camera);
+
   matrixIdentity(&camera->projection);
   matrixOrtho(&camera->projection, left, right, bottom, top, camNear, camFar);
 }
@@ -47,9 +55,13 @@ void cameraOrbit(camera_t *camera,
   float distance, float yaw, float pitch,
   float targetX, float targetY, float targetZ
 ) {
+
   float cy = cosf(pitch);
   float x = distance * sinf(yaw) * cy;
   float y = distance * sinf(pitch);
   float z = distance * cosf(yaw) * cy;
+
+  ASSERT_NOT_NULL(camera);
+  
   cameraLookAt(camera, x, y, z, targetX, targetY, targetZ);
 }

src/display/camera.h

@@ -5,6 +5,7 @@
 
 #pragma once
 #include "../libs.h"
+#include "../assert/assert.h"
 #include "../util/math.h"
 #include "matrix.h"
 

src/display/render.c

@@ -32,10 +32,16 @@ void renderDispose() {
 }
 
 void renderSetResolution(render_t *render, float width, float height) {
+  ASSERT_NOT_NULL(render);
+  ASSERT_GREATER_THAN(width, 0);
+  ASSERT_GREATER_THAN(height, 0);
+
   render->width = width;
   render->height = height;
 }
 
 void renderResetFramebuffer(render_t *render) {
+  ASSERT_NOT_NULL(render);
+
   frameBufferUnbind(render->width, render->height, true);
 }

src/display/render.h

@@ -5,6 +5,7 @@
 
 #pragma once
 #include "../libs.h"
+#include "../assert/assert.h"
 #include "framebuffer.h"
 
 /**