diff --git a/src/assert/assert.h b/src/assert/assert.h
index 53c78cf3..551c3f2c 100644
--- a/src/assert/assert.h
+++ b/src/assert/assert.h
@@ -25,4 +25,6 @@
 #define ASSERT_GREATER_THAN_EQUAL_TO(x, y) ASSERT_TRUE(x >= y)
 
 #define ASSERT_FLAG_OFF(flags, flag) ASSERT_FALSE(flags & flag)
-#define ASSERT_FLAG_ON(flags, flag) ASSERT_TRUE(flags & flag)
\ No newline at end of file
+#define ASSERT_FLAG_ON(flags, flag) ASSERT_TRUE(flags & flag)
+
+#define ASSERT_STRING_EQUALS(a, b) ASSERT_EQUAL(strcmp(a, b), 0)
\ No newline at end of file
diff --git a/src/display/shaders/standardshader.c b/src/display/shaders/standardshader.c
index 14f52b3d..99554b20 100644
--- a/src/display/shaders/standardshader.c
+++ b/src/display/shaders/standardshader.c
@@ -29,7 +29,9 @@ void _standardShaderUpdateUniforms(standardshader_t *stds) {
   );
 }
 
-bool _standardShaderOnAssetItemLoaded(void *u, event_t e, void *s[], int32_t c){
+bool _standardShaderOnAssetItemLoaded(
+  void *u, event_t e, const void *s[], const int32_t c
+) {
   standardshader_t *ss = (standardshader_t *)u;
 
   ASSERT_NOT_NULL(ss);
diff --git a/src/display/texture.h b/src/display/texture.h
index 711ce68c..584cf136 100644
--- a/src/display/texture.h
+++ b/src/display/texture.h
@@ -8,6 +8,7 @@
 #include "../assert/assert.h"
 
 #define TEXTURE_SLOTS_MAX 8
+#define TEXTURE_CHANNELS 4
 
 /** Texture slot that a texture can be bound to */
 typedef GLuint textureslot_t;
diff --git a/src/display/texturescale.h b/src/display/texturescale.h
index df429e09..3895b47f 100644
--- a/src/display/texturescale.h
+++ b/src/display/texturescale.h
@@ -9,7 +9,7 @@
 #include "../libs.h"
 #include "texture.h"
 
-#define MANAGED_TEXTURE_SCALE_MAX 4
+#define MANAGED_TEXTURE_SCALE_MAX 5
 
 typedef struct {
   int16_t width;
diff --git a/src/engine/event.c b/src/engine/event.c
index 15689b9c..557e08a7 100644
--- a/src/engine/event.c
+++ b/src/engine/event.c
@@ -56,7 +56,7 @@ void eventManagerUnsubscribe(eventmanager_t *man, eventlistener_t *listener) {
 }
 
 bool eventManagerTrigger(
-  eventmanager_t *manager, event_t event, void *args[], int32_t argc
+  eventmanager_t *manager, event_t event, const void *args[], const int32_t argc
 ) {
   uint8_t i;
   eventlistener_t *listener;
diff --git a/src/engine/event.h b/src/engine/event.h
index 977124f4..eb66c7cf 100644
--- a/src/engine/event.h
+++ b/src/engine/event.h
@@ -13,7 +13,7 @@
 typedef uint8_t event_t;
 
 typedef bool eventcallback_t(
-  void *user, event_t event, void *args[], int32_t argc
+  void *user, event_t event, const void *args[], const int32_t argc
 );
 
 typedef struct {
@@ -64,5 +64,5 @@ void eventManagerUnsubscribe(eventmanager_t *man, eventlistener_t *listener);
  *         event listeners also return true.
  */
 bool eventManagerTrigger(
-  eventmanager_t *manager, event_t event, void *args[], int32_t argc
+  eventmanager_t *manager, event_t event, const void *args[], const int32_t argc
 );
\ No newline at end of file
diff --git a/src/epoch/epoch.c b/src/epoch/epoch.c
index 7b0b2f6b..f7b68c67 100644
--- a/src/epoch/epoch.c
+++ b/src/epoch/epoch.c
@@ -16,6 +16,9 @@ void epochInit(epoch_t *epoch) {
 }
 
 void epochUpdate(epoch_t *epoch, float platformDelta) {
+  ASSERT_NOT_NULL(epoch);
+  ASSERT_GREATER_THAN(platformDelta, 0);
+
   platformDelta = mathClamp(platformDelta, 0, EPOCH_FIXED_STEP);
 
   epoch->last = epoch->current;
diff --git a/src/file/assetmanager.c b/src/file/assetmanager.c
index 00fed723..5bc0d72e 100644
--- a/src/file/assetmanager.c
+++ b/src/file/assetmanager.c
@@ -31,11 +31,15 @@ assetmanagerloaderdefinition_t ASSET_MANAGER_LOADERS[] = {
 };
 
 bool _assetManagerOnSaveManagerValueChange(
-  void *usr, event_t evt, void *args[], int32_t argc
+  void *usr, event_t evt, const void *args[], const int32_t argc
 ) {
+  ASSERT_NOT_NULL(args);
   ASSERT_EQUAL(argc, 3);
-  
-  printf("Hello World\n");
+
+  // Was the scale changed?
+  if(strcmp(args[1], SAVE_KEY_TEXTURE_SCALE) == 0) {
+    assetManagerScaledTextureRescaleAll((assetmanager_t *)usr);
+  }
 
   return true;
 }
diff --git a/src/file/assetmanager.h b/src/file/assetmanager.h
index 82264774..2cd67b2c 100644
--- a/src/file/assetmanager.h
+++ b/src/file/assetmanager.h
@@ -18,7 +18,7 @@
 
 /** Callback Listener for save manager value changes */
 bool _assetManagerOnSaveManagerValueChange(
-  void *usr, event_t evt, void *args[], int32_t argc
+  void *usr, event_t evt, const void *args[], const int32_t argc
 );
 
 /**
diff --git a/src/file/loaders/scaledtexture.c b/src/file/loaders/scaledtexture.c
index 0dd521e2..63d2206f 100644
--- a/src/file/loaders/scaledtexture.c
+++ b/src/file/loaders/scaledtexture.c
@@ -16,8 +16,13 @@ assetmanageritem_t * assetManagerLoadScaledTexture(
   uint8_t scale;
   char buffer[ASSET_MANAGER_ITEM_NAME_MAX];
 
+  ASSERT_NOT_NULL(manager);
+  ASSERT_NOT_NULL(path);
+  ASSERT_NOT_NULL(file);
+
   // Get the scale
   scale = saveManagerGetU8(manager->save, SAVE_KEY_TEXTURE_SCALE);
+  ASSERT_LESS_THAN(scale, MANAGED_TEXTURE_SCALE_MAX);
 
   // Generate a key
   sprintf(buffer, "%s/%s", path, file);
@@ -51,10 +56,15 @@ bool _assetManagerLoaderScaledTextureAsync(assetmanageritem_t *item) {
   texturescalescale_t *sts;
   size_t length;
 
+  ASSERT_NOT_NULL(item);
+  ASSERT_EQUAL(item->type, ASSET_MANAGER_TYPE_SCALED_TEXTURE);
+
   // TODO: This can be improved if we allow both asset dependencies and 
   // dependency sibling adding
-
   st = &item->data.scaledTexture.textureScale;
+  ASSERT_NOT_NULL(st->path);
+  ASSERT_NOT_NULL(st->file);
+  ASSERT_EQUAL(st->scaleCount, 0);
 
   // Begin loading texture XML
   sprintf(buffer, "%s/%s.xml", st->path, st->file);
@@ -64,22 +74,45 @@ bool _assetManagerLoaderScaledTextureAsync(assetmanageritem_t *item) {
   xmlLoad(&xml, xmlData);
   free(xmlData);
 
+  ASSERT_STRING_EQUALS(xml.node, "texture");
+  ASSERT_EQUAL(xml.childrenCount, MANAGED_TEXTURE_SCALE_MAX);
+
   // Parse root texture info
   i = xmlGetAttributeByName(&xml, "channels");
+  ASSERT_GREATER_THAN_EQUAL_TO(i, 0);
   st->channels = (uint8_t)atoi(xml.attributeDatas[i]);
+  ASSERT_EQUAL(st->channels, TEXTURE_CHANNELS);
+
   i = xmlGetAttributeByName(&xml, "width");
+  ASSERT_GREATER_THAN_EQUAL_TO(i, 0);
   st->baseWidth = (int16_t)atoi(xml.attributeDatas[i]);
+  ASSERT_GREATER_THAN(st->baseWidth, 0);
+
   i = xmlGetAttributeByName(&xml, "height");
+  ASSERT_GREATER_THAN_EQUAL_TO(i, 0);
   st->baseHeight = (int16_t)atoi(xml.attributeDatas[i]);
+  ASSERT_GREATER_THAN(st->baseHeight, 0);
 
   for(j = 0; j < xml.childrenCount; j++) {
     child = xml.children + j;
+
+    ASSERT_STRING_EQUALS(child->node, "texture-scale");
+    ASSERT_EQUAL(child->childrenCount, 0);
+
     i = xmlGetAttributeByName(child, "scale");
+    ASSERT_GREATER_THAN_EQUAL_TO(i, 0);
     st->scales[st->scaleCount].scale = (uint8_t)atoi(child->attributeDatas[i]);
+    ASSERT_GREATER_THAN_EQUAL_TO(st->scales[st->scaleCount].scale, 1);
+
     i = xmlGetAttributeByName(child, "width");
+    ASSERT_GREATER_THAN_EQUAL_TO(i, 0);
     st->scales[st->scaleCount].width = (int16_t)atoi(child->attributeDatas[i]);
+    ASSERT_GREATER_THAN(st->scales[st->scaleCount].width, 0);
+
     i = xmlGetAttributeByName(child, "height");
+    ASSERT_GREATER_THAN_EQUAL_TO(i, 0);
     st->scales[st->scaleCount].height = (int16_t)atoi(child->attributeDatas[i]);
+    ASSERT_GREATER_THAN(st->scales[st->scaleCount].height, 0);
     st->scaleCount++;
   }
 
@@ -87,6 +120,7 @@ bool _assetManagerLoaderScaledTextureAsync(assetmanageritem_t *item) {
   xmlDispose(&xml);
 
   // Get the scale
+  ASSERT_LESS_THAN(item->data.scaledTexture.scale, st->scaleCount);
   sts = st->scales + item->data.scaledTexture.scale;
 
   // Get filename
@@ -94,12 +128,14 @@ bool _assetManagerLoaderScaledTextureAsync(assetmanageritem_t *item) {
 
   // Create some space
   length = assetRawLoad(buffer, NULL);
-  if(length == 0) return false;
+  if(length <= 0) return false;
+
   item->data.scaledTexture.data = malloc(sizeof(pixel_t) * length);
+  if(item->data.scaledTexture.data == NULL) return false;
 
   // Load
   length = assetRawLoad(buffer, (uint8_t *)item->data.scaledTexture.data);
-  if(length == 0) {
+  if(length <= 0) {
     free(item->data.scaledTexture.data);
     return false;
   }
@@ -110,16 +146,26 @@ bool _assetManagerLoaderScaledTextureAsync(assetmanageritem_t *item) {
 bool _assetManagerLoaderScaledTextureSync(assetmanageritem_t *item) {
   texturescale_t *st;
   texturescalescale_t *sts;
-  st = &item->data.scaledTexture.textureScale;
-  sts = st->scales + item->data.scaledTexture.scale;
+  
+  ASSERT_NOT_NULL(item);
+  ASSERT_EQUAL(item->type, ASSET_MANAGER_TYPE_SCALED_TEXTURE);
+  ASSERT_NOT_NULL(item->data.scaledTexture.data);
 
+  st = &item->data.scaledTexture.textureScale;
+  ASSERT_EQUAL(st->scaleCount, MANAGED_TEXTURE_SCALE_MAX);
+  ASSERT_LESS_THAN(item->data.scaledTexture.scale, st->scaleCount);
+
+  sts = st->scales + item->data.scaledTexture.scale;
+  printf("Loading texture synchronously. %i x %i\n", sts->width, sts->height);
+
+  // Create the actual texture.
   textureInit(
     &item->data.scaledTexture.texture,
     sts->width, sts->height,
     item->data.scaledTexture.data
   );
-
   free(item->data.scaledTexture.data);
+
   return true;
 }
 
@@ -131,6 +177,11 @@ bool _assetManagerLoaderScaledTextureDispose(assetmanageritem_t *item) {
 bool _assetManagerLoaderScaledTextureResize(
   assetmanager_t *manager, assetmanageritem_t *item, uint8_t scale
 ) {
+  ASSERT_NOT_NULL(manager);
+  ASSERT_NOT_NULL(item);
+  ASSERT_LESS_THAN(scale, MANAGED_TEXTURE_SCALE_MAX);
+  ASSERT_EQUAL(item->type, ASSET_MANAGER_TYPE_SCALED_TEXTURE);
+
   // Check if we need to update
   if(item->data.scaledTexture.scale == scale) return true;
 
@@ -151,6 +202,7 @@ bool _assetManagerLoaderScaledTextureResize(
   
   // Update scale.
   item->data.scaledTexture.scale = scale;
+  item->data.scaledTexture.textureScale.scaleCount = 0;
 
   // Immediately requeue a texture re-load
   if(!_assetManagerLoaderScaledTextureAsync(item)) return false;
@@ -166,8 +218,11 @@ bool _assetManagerLoaderScaledTextureResize(
 void assetManagerScaledTextureRescaleAll(assetmanager_t *manager) {
   uint8_t i, scale;
 
+  ASSERT_NOT_NULL(manager);
+
   // Get the new scale
   scale = saveManagerGetU8(manager->save, SAVE_KEY_TEXTURE_SCALE);
+  ASSERT_LESS_THAN(scale, MANAGED_TEXTURE_SCALE_MAX);
 
   // Rescale each texture. This is, unfortunately, blocking for now.
   for(i = 0; i < manager->itemCount; i++) {
diff --git a/src/file/loaders/scaledtexture.h b/src/file/loaders/scaledtexture.h
index 17e66519..bc14ac6f 100644
--- a/src/file/loaders/scaledtexture.h
+++ b/src/file/loaders/scaledtexture.h
@@ -7,6 +7,7 @@
 
 #pragma once
 #include "item.h"
+#include "../../assert/assert.h"
 #include "../xml.h"
 #include "../asset.h"
 #include "../../save/save.h"
diff --git a/src/file/xml.h b/src/file/xml.h
index 77fdea4c..f2996ffb 100644
--- a/src/file/xml.h
+++ b/src/file/xml.h
@@ -61,6 +61,20 @@ void xmlLoad(xml_t *xml, char *data);
  */
 void xmlDispose(xml_t *xml);
 
+/**
+ * Returns the index that the given attribute has based on its name.
+ * 
+ * @param xml XML to get the attribute from.
+ * @param name Attribute name to look for.
+ * @return The index that the attribute is within the XML, or -1 if not found.
+ */
 int16_t xmlGetAttributeByName(xml_t *xml, char *name);
 
+/**
+ * Tool to confirm if the given character is considered a whitespace or not. 
+ * XML whitespace is considered; \t, \n, \r, or the space ASCII character.
+ * 
+ * @param c Character to check.
+ * @return True if the character is whitespace, otherwise false.
+ */
 bool xmlIsWhitespace(char c);
\ No newline at end of file
diff --git a/src/games/poker/game.c b/src/games/poker/game.c
index 7c38ff2e..d3115ce8 100644
--- a/src/games/poker/game.c
+++ b/src/games/poker/game.c
@@ -13,7 +13,7 @@ bool gameInit(game_t *game) {
   // Init the engine and the rendering pipeline
   engineInit(&game->engine);
 
-  cameraLookAt(&game->camera, 3,3,3, 0,0,0);
+  cameraLookAt(&game->camera, 1,1,1, 0,0,0);
   cameraPerspective(&game->camera, 45.0f, 16.0f/9.0f, 0.001f, 1000.0f);
   quadInit(&game->quad, 0.0f, 0.0f,0.0f,0.0f,0.0f, 1.0f,1.0f,1.0f,1.0f);
 
@@ -21,7 +21,7 @@ bool gameInit(game_t *game) {
 
   game->owner = assetManagerHolderCreate(&game->engine.assetManager);
   game->item = assetManagerLoadScaledTexture(
-    &game->engine.assetManager, game->owner, "textures", "test_texture"
+    &game->engine.assetManager, game->owner, "poker/world", "pub"
   );
 
   return true;
@@ -34,9 +34,8 @@ bool gameUpdate(game_t *game, float delta) {
   engineUpdateStart(&game->engine, delta);
 
   if(game->engine.time.current > 4.0f && !doneResize) {
-    printf("Resizing");
-    // saveManagerSetUint8(&game->engine.save, SAVE_KEY_TEXTURE_SCALE, 0x03);
-    // assetManagerScaledTextureRescaleAll(&game->engine.assetManager);
+    printf("Resizing\n");
+    saveManagerSetU8(&game->engine.save, SAVE_KEY_TEXTURE_SCALE, 0x04);
     doneResize = true;
   }
 
diff --git a/src/vn/vnscene.c b/src/vn/vnscene.c
index 5ca6dcdd..d1710e98 100644
--- a/src/vn/vnscene.c
+++ b/src/vn/vnscene.c
@@ -8,6 +8,7 @@
 #include "vnscene.h"
 
 void vnSceneInit(vnscene_t *scene, font_t *font, texture_t *text) {
+
   // Init the conversation
   vnConversationInit(&scene->conversation, font, text);
   scene->conversation.textbox.linesMax = 3;
diff --git a/tools/display/texture_generation.c b/tools/display/texture_generation.c
index 64fdc7bf..d4650385 100644
--- a/tools/display/texture_generation.c
+++ b/tools/display/texture_generation.c
@@ -9,8 +9,8 @@
 #include "../utils/file.h"
 #include "../utils/image.h"
 
-#define RESIZE_VARIANT_COUNT 4
-int RESIZE_SCALES[RESIZE_VARIANT_COUNT] = { 1, 2, 3, 4 };
+#define RESIZE_VARIANT_COUNT 5
+int RESIZE_SCALES[RESIZE_VARIANT_COUNT] = { 1, 2, 3, 4, 10 };
 
 int main(int argc, char *argv[]) {
   FILE *file;