added texture swapping

src/engine/include/models/mesh_texture.hpp

@@ -15,6 +15,7 @@
 #include <draw_sampling.h>
 #include "./texture_wrap_settings.hpp"
 #include "./texture_link.hpp"
+#include <vector>
 
 /** 
  * Class which contains texture data.
@@ -44,7 +45,7 @@ public:
 
     const u8 &getHeight() const { return height; };
 
-    const u32 &getTextureLinksCount() const { return texLinkCount; };
+    u32 getTextureLinksCount() const { return static_cast<u32>(texLinks.size()); };
 
     texwrap_t *getWrapSettings() { return &wrapSettings; };
 
@@ -67,7 +68,19 @@ public:
     char *getName() const { return name; };
 
     /** Array of texture links. Size of getTextureLinksCount() */
-    TextureLink *getTextureLinks() const { return texLinks; };
+    const std::vector<TextureLink> &getTextureLinks() const { return texLinks; };
+
+    /** 
+     * Returns index of link.
+     * -1 if not found.
+     */
+    const s32 getIndexOfLink(const u32 &t_meshId, const u32 &t_materialId) const
+    {
+        for (u32 i = 0; i < texLinks.size(); i++)
+            if (texLinks[i].materialId == t_materialId && texLinks[i].meshId == t_meshId)
+                return i;
+        return -1;
+    };
 
     // ----
     //  Setters
@@ -108,27 +121,33 @@ public:
     /** Assign texture to mesh and mesh material */
     void addLink(const u32 &t_meshId, const u32 &t_materialId);
 
-    /** Remove mesh and mesh material assignment */
-    void removeLink(const u32 &t_meshId, const u32 &t_materialId);
-
     const u8 &isNameSet() const { return _isNameSet; };
 
     const u8 &isSizeSet() const { return _isSizeSet; };
 
     const u8 isLinkedWith(const u32 &t_meshId, const u32 &t_materialId) const
     {
-        for (u32 i = 0; i < texLinkCount; i++)
-            if (texLinks[i].materialId == t_materialId && texLinks[i].meshId == t_meshId)
-                return true;
-        return false;
+        s32 index = getIndexOfLink(t_meshId, t_materialId);
+        if (index != -1)
+            return true;
+        else
+            return false;
     };
 
+    void removeLink(const u32 &t_index) { texLinks.erase(texLinks.begin() + t_index); }
+
+    void removeLink(const u32 &t_meshId, const u32 &t_materialId)
+    {
+        u32 index = getIndexOfLink(t_meshId, t_materialId);
+        removeLink(index);
+    }
+
 private:
     void setDefaultWrapSettings();
     texwrap_t wrapSettings;
     char *name;
-    TextureLink *texLinks;
-    u32 id, texLinkCount;
+    std::vector<TextureLink> texLinks;
+    u32 id;
     u8 width, height, _isNameSet, _isSizeSet;
     unsigned char *data;
 };

src/engine/loaders/bmp_loader.cpp

@@ -40,7 +40,10 @@ void BmpLoader::load(MeshTexture &o_texture, char *t_subfolder, char *t_name, ch
     FILE *file = fopen(t_path, "rb");
 
     if (file == NULL)
+    {
         PRINT_ERR("Failed to load .bmp file!");
+        return;
+    }
 
     unsigned char header[54];
     fread(header, sizeof(unsigned char), 54, file);

src/engine/models/mesh_texture.cpp

@@ -21,7 +21,6 @@
 MeshTexture::MeshTexture()
 {
     id = rand() % 1000000;
-    texLinkCount = 0;
     _isSizeSet = false;
     _isNameSet = false;
     setDefaultWrapSettings();
@@ -29,8 +28,8 @@ MeshTexture::MeshTexture()
 
 MeshTexture::~MeshTexture()
 {
-    if (texLinkCount > 0)
-        delete[] texLinks;
+    if (getTextureLinksCount() > 0)
+        texLinks.clear();
     if (_isNameSet)
         delete[] name;
     if (_isSizeSet)
@@ -83,31 +82,8 @@ void MeshTexture::setWrapSettings(const WrapSettings t_horizontal, const WrapSet
 
 void MeshTexture::addLink(const u32 &t_meshId, const u32 &t_materialId)
 {
-    TextureLink *savedLinks = texLinks;
-    texLinks = new TextureLink[texLinkCount + 1];
-    for (u32 i = 0; i < texLinkCount; i++)
-    {
-        texLinks[i].materialId = savedLinks[i].materialId;
-        texLinks[i].meshId = savedLinks[i].meshId;
-    }
-    if (texLinkCount != 0)
-        delete[] savedLinks;
-    texLinkCount++;
-    texLinks[texLinkCount - 1].materialId = t_materialId;
-    texLinks[texLinkCount - 1].meshId = t_meshId;
-}
-
-void MeshTexture::removeLink(const u32 &t_meshId, const u32 &t_materialId)
-{
-    TextureLink *savedLinks = texLinks;
-    texLinks = new TextureLink[texLinkCount - 1];
-    u32 savedCount = 0;
-    for (u32 i = 0; i < texLinkCount; i++)
-        if (savedLinks[i].materialId != t_materialId && savedLinks[i].meshId != t_meshId)
-        {
-            texLinks[savedCount++].materialId = savedLinks[i].materialId;
-            texLinks[savedCount++].meshId = savedLinks[i].meshId;
-        }
-    delete[] savedLinks;
-    texLinkCount--;
+    TextureLink link;
+    link.materialId = t_materialId;
+    link.meshId = t_meshId;
+    texLinks.push_back(link);
 }

src/engine/modules/renderer.cpp

@@ -83,6 +83,7 @@ void Renderer::deallocateTextureBuffer()
 
 void Renderer::changeTexture(Mesh *t_mesh, u32 t_materialId)
 {
+
     MeshTexture *tex = textureRepo.getByMesh(t_mesh->id, t_materialId);
     if (tex != NULL)
     {

src/engine/modules/texture_repository.cpp

@@ -28,6 +28,10 @@ TextureRepository::~TextureRepository() {}
 // Methods
 // ----
 
+/** Add unlinked texture.
+ * @param t_subfolder Relative path. Ex.: "textures/"
+ * @param t_name Filename without extension. Ex.: "water"
+ */
 MeshTexture *TextureRepository::add(char *t_subfolder, char *t_name)
 {
     increaseArray(texturesCount + 1);