# Rewrite 5

- Move Libraries Source into pd directory and give them all their own CMakeLists.txt
- Partial rewrite core (color, autogenerated vec), lithium (now uses UNIQUE PTR for Commands), UI7
- Use MenuV2 as new standart in UI7
- Implementz ViewPort Pre alpha to UI7
- Add Line Drawing to DrawList (not Working)
- Implement a Complete new drievrs API (static Drivers)
- NO SUPPORT FOR SHARED LIBRARY BUILDS IN VERSION 5 YET
- Add Tools to Autogenerate Headers and Stuff

pd/core/source/mat.cpp

@@ -0,0 +1,56 @@
+/*
+MIT License
+
+Copyright (c) 2024 - 2025 tobid7
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
+*/
+
+#include <pd/core/mat.hpp>
+
+namespace PD {
+PD_CORE_API void Mat4::Zeros() {
+  for (int i = 0; i < 16; i++) {
+    m[i] = 0.0f;
+  }
+}
+
+PD_CORE_API void Mat4::Ortho(float left, float right, float bottom, float top,
+                             float near, float far) {
+  m[0] = 2.0f / (right - left);
+  m[1] = 0.0f;
+  m[2] = 0.0f;
+  m[3] = -(right + left) / (right - left);
+
+  m[4] = 0.0f;
+  m[5] = 2.0f / (top - bottom);
+  m[6] = 0.0f;
+  m[7] = -(top + bottom) / (top - bottom);
+
+  m[8] = 0.0f;
+  m[9] = 0.0f;
+  m[10] = -2.0f / (far - near);
+  m[11] = -(far + near) / (far - near);
+
+  m[12] = 0.0f;
+  m[13] = 0.0f;
+  m[14] = 0.0f;
+  m[15] = 1.0f;
+}
+}  // namespace PD