added asset loading class, zoom factor, vbo switch, shader version

2017-03-13 01:16:20 +00:00
parent a2a221b17a
commit ee6d352fc6
25 changed files with 345 additions and 108 deletions
--- a/engine/asset.cpp
+++ b/engine/asset.cpp
@@ -0,0 +1,59 @@
+#include "pch.h"
+#include "asset.h"
+
+#ifdef __ANDROID__
+AAssetManager* Asset::m_am;
+#endif
+
+bool Asset::open(const char* path)
+{
+    LOG("Asset::open %s", path);
+    m_current_path = path;
+#ifdef __ANDROID__
+    if (!(m_asset = AAssetManager_open(m_am, path, AASSET_MODE_RANDOM)))
+    {
+        LOG("AAssetManager_open failed");
+        return false;
+    }
+    m_len = (int)AAsset_getLength(m_asset);
+    m_data = (uint8_t*)AAsset_getBuffer(m_asset);
+#else
+    if (!(m_fp = fopen(path, "rb")))
+        return false;
+    fseek(m_fp, 0, SEEK_END);
+    m_len = (int)ftell(m_fp);
+    fseek(m_fp, 0, SEEK_SET);
+#endif
+    return true;
+}
+
+glm::uint8_t* Asset::read_all()
+{
+#ifdef __ANDROID__
+    return m_data;
+#else
+    if (!m_data)
+    {
+        m_data = new uint8_t[m_len];
+        if (m_len != fread(m_data, 1, m_len, m_fp))
+        {
+            LOG("ASSET READ FAILED for %s", m_current_path.c_str());
+            delete m_data;
+            m_data = nullptr;
+        }
+    }
+    return m_data;
+#endif
+}
+
+void Asset::close()
+{
+#ifdef __ANDROID__
+    AAsset_close(m_asset);
+#else
+    fclose(m_fp);
+    if (m_data)
+        delete m_data;
+    m_data = nullptr;
+#endif
+}