Add camera pixel perfect.

src/dawn/scene/item/SceneItemTransform.cpp

@@ -194,6 +194,25 @@ void SceneItemTransform::lookAt(
   this->setWorldTransform(glm::lookAt(position, target, up));
 }
 
+float_t SceneItemTransform::lookAtPixelPerfect(
+  const glm::vec3 &position,
+  const glm::vec3 &look,
+  const float_t viewportHeight,
+  const float_t fov,
+  const float_t scale
+) {
+  float_t z = (
+    tanf((glm::radians(180.0f) - fov) / 2.0f) *
+    (viewportHeight/2.0f)
+  ) / scale;
+  this->lookAt(
+    glm::vec3(position.x, position.y, position.z + z),
+    look,
+    glm::vec3(0, 1, 0)
+  );
+  return z;
+}
+
 SceneItemTransform::~SceneItemTransform() {
   std::for_each(
     this->children.begin(),

src/dawn/scene/item/SceneItemTransform.hpp

@@ -171,6 +171,24 @@ namespace Dawn {
         const glm::vec3 up
       );
 
+      /**
+       * Shorthand combined for lookAt and perspectivePixelPerfectDistance
+       * to allow you to create pixel perfect lookAt camera view matricies.
+       * 
+       * @param position Position of the camera. Z is for an offset.
+       * @param look Position in world space this transform looks at.
+       * @param viewportHeight Height of the viewport.
+       * @param fov Field of view (in radians).
+       * @return The Z distance that was calculated.
+       */
+      float_t lookAtPixelPerfect(
+        const glm::vec3 &position,
+        const glm::vec3 &look,
+        const float_t viewportHeight,
+        const float_t fov,
+        const float_t scale = 1.0f
+      );
+
       virtual ~SceneItemTransform();
   };
 }

src/dawnrpg/component/entity/Player.cpp

@@ -13,10 +13,12 @@ void Player::updateCameraPosition() {
   auto c = camera.lock();
   if(!c) return;
   glm::vec3 pos = this->getItem()->getLocalPosition();
-  c->getItem()->lookAt(
+  c->getItem()->lookAtPixelPerfect(
-    pos + glm::vec3(0, 8, 1),
+    pos + glm::vec3(0, 3, 1),
     pos,
-    glm::vec3(0, 1, 0)
+    c->getRenderTarget()->getHeight(),
+    c->fov,
+    32.0f
   );
 }
 

src/dawnrpg/component/world/Map.cpp

@@ -29,23 +29,28 @@ void Map::entityNotifyDispose(std::shared_ptr<SceneItem> item) {
 }
 
 void Map::onInit() {
-  this->setSize(1, 1, 1);
 }
 
 void Map::onDispose() {
 }
 
 void Map::setSize(
-  const uint8_t width,
+  const uint32_t width,
-  const uint8_t height,
+  const uint32_t height,
-  const uint8_t depth
+  const uint32_t depth,
+  const uint8_t chunkWidth,
+  const uint8_t chunkHeight,
+  const uint8_t chunkDepth
 ) {
   this->chunkOrder.clear();
 
-  this->mapChunkWidth = width;
+  this->mapWidth = width;
-  this->mapChunkHeight = height;
+  this->mapHeight = height;
-  this->mapChunkDepth = depth;
+  this->mapDepth = depth;
-  this->mapChunkCount = width * height * depth;
+  this->mapChunkWidth = chunkWidth;
+  this->mapChunkHeight = chunkHeight;
+  this->mapChunkDepth = chunkDepth;
+  this->mapChunkCount = chunkWidth * chunkHeight * chunkDepth;
   this->chunks = std::make_unique<std::shared_ptr<Chunk>[]>(
     this->mapChunkCount
   );
@@ -55,14 +60,16 @@ void Map::setSize(
   this->chunkTopLeft.z = 0;
   
   // Load initial chunks
-  for(auto z = 0; z < depth; z++) {
+  for(auto z = 0; z < chunkDepth; z++) {
-    for(auto y = 0; y < height; y++) {
+    for(auto y = 0; y < chunkHeight; y++) {
-      for(auto x = 0; x < width; x++) {
+      for(auto x = 0; x < chunkWidth; x++) {
         auto chunk = std::make_shared<Chunk>();
+        memset(chunk->tiles, 0, sizeof(chunk->tiles));
         chunk->position.x = x;
         chunk->position.y = y;
         chunk->position.z = z;
-        this->chunks[x + y * width + z * width * height] = chunk;
+        this->chunks[x + y * chunkWidth + z * chunkWidth * chunkHeight] = chunk;
+        
         this->chunkOrder.push_back(chunk);
       }
     }

src/dawnrpg/component/world/Map.hpp

@@ -14,8 +14,9 @@ namespace Dawn {
     private:
       std::unordered_map<enum EntityID, std::weak_ptr<Entity>> entities;
 
+      uint32_t mapWidth, mapHeight, mapDepth;
       uint8_t mapChunkWidth, mapChunkHeight, mapChunkDepth;
-      int32_t mapChunkCount;
+      uint32_t mapChunkCount;
       std::unique_ptr<std::shared_ptr<Chunk>[]> chunks;
       std::vector<std::shared_ptr<Chunk>> chunkOrder;
       struct ChunkPosition chunkTopLeft;
@@ -46,11 +47,17 @@ namespace Dawn {
        * @param width The width of the map.
        * @param height The height of the map.
        * @param depth The depth of the map.
+       * @param chunkWidth The width of the maps chunks.
+       * @param chunkHeight The height of the maps chunks.
+       * @param chunkDepth The depth of the maps chunks.
        */
       void setSize(
-        const uint8_t width,
+        const uint32_t width,
-        const uint8_t height,
+        const uint32_t height,
-        const uint8_t depth
+        const uint32_t depth,
+        const uint8_t chunkWidth,
+        const uint8_t chunkHeight,
+        const uint8_t chunkDepth
       );
 
       /**

src/dawnrpg/component/world/Tile.cpp

@@ -8,5 +8,6 @@
 using namespace Dawn;
 
 bool_t Tile::isSolid() {
+  if(this->id == TileID::Null) return true;
   return false;
 }

src/dawnrpg/component/world/Tile.hpp

@@ -12,6 +12,10 @@ namespace Dawn {
     Test = 1
   };
 
+  struct TilePosition {
+    uint8_t x, y, z;
+  };
+
   union TileData {
     int64_t raw;
   };
@@ -27,8 +31,4 @@ namespace Dawn {
      */
     bool_t isSolid();
   };
-
-  struct TilePosition {
-    uint8_t x, y, z;
-  };
 }

src/dawnrpg/scenes/WorldScene.cpp

@@ -44,7 +44,10 @@ void Dawn::worldScene(Scene &s) {
   
   auto world = createWorldPrefab(s);
   auto map = createMapPrefab(world.world);
-  map.map->setSize(3, 3, 3);
+  map.map->setSize(
+    32, 32, 32,
+    3, 3, 3
+  );
 
   auto chunk = map.map->getChunkAt({ 0, 0, 0 });
   chunk = map.map->getChunkAt({ 1, 0, 0 });