From bcf7ee6dc225c00b2aea9891ea42aeb18e5b0cc8 Mon Sep 17 00:00:00 2001
From: vaxerski <43317083+vaxerski@users.noreply.github.com>
Date: Wed, 23 Mar 2022 22:01:59 +0100
Subject: Added basic animations for windows

---
 src/managers/AnimationManager.cpp | 53 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 53 insertions(+)
 create mode 100644 src/managers/AnimationManager.cpp

(limited to 'src/managers/AnimationManager.cpp')

diff --git a/src/managers/AnimationManager.cpp b/src/managers/AnimationManager.cpp
new file mode 100644
index 00000000..99176488
--- /dev/null
+++ b/src/managers/AnimationManager.cpp
@@ -0,0 +1,53 @@
+#include "AnimationManager.hpp"
+#include "../Compositor.hpp"
+
+void CAnimationManager::tick() {
+
+    bool animationsDisabled = false;
+
+    if (!g_pConfigManager->getInt("animations:enabled"))
+        animationsDisabled = true;
+
+    const bool WINDOWSENABLED   = g_pConfigManager->getInt("animations:windows");
+    const bool BORDERSENABLED   = g_pConfigManager->getInt("animations:borders");
+    const bool FADEENABLED      = g_pConfigManager->getInt("animations:fadein");
+    const float ANIMSPEED       = g_pConfigManager->getFloat("animations:speed");
+
+    for (auto& w : g_pCompositor->m_lWindows) {
+        if (animationsDisabled) {
+            w.m_vRealPosition = w.m_vEffectivePosition;
+            w.m_vRealSize = w.m_vEffectiveSize;
+            continue;
+        }
+
+        // process the window
+        if (WINDOWSENABLED) {
+            if (deltazero(w.m_vRealPosition, w.m_vEffectivePosition) && deltazero(w.m_vRealSize, w.m_vEffectiveSize)) {
+                continue;
+            }
+
+            if (deltaSmallToFlip(w.m_vRealPosition, w.m_vEffectivePosition) || deltaSmallToFlip(w.m_vRealSize, w.m_vEffectiveSize)) {
+                w.m_vRealPosition = w.m_vEffectivePosition;
+                w.m_vRealSize = w.m_vEffectiveSize;
+                g_pXWaylandManager->setWindowSize(&w, w.m_vRealSize);
+                continue;
+            }
+
+            // if it is to be animated, animate it.
+            w.m_vRealPosition = Vector2D(parabolic(w.m_vRealPosition.x, w.m_vEffectivePosition.x, ANIMSPEED), parabolic(w.m_vRealPosition.y, w.m_vEffectivePosition.y, ANIMSPEED));
+            w.m_vRealSize = Vector2D(parabolic(w.m_vRealSize.x, w.m_vEffectiveSize.x, ANIMSPEED), parabolic(w.m_vRealSize.y, w.m_vEffectiveSize.y, ANIMSPEED));
+        }
+    }
+}
+
+bool CAnimationManager::deltaSmallToFlip(const Vector2D& a, const Vector2D& b) {
+    return std::abs(a.x - b.x) < 0.5f && std::abs(a.y - b.y) < 0.5f;
+}
+
+bool CAnimationManager::deltazero(const Vector2D& a, const Vector2D& b) {
+    return a.x == b.x && a.y == b.y;
+}
+
+double CAnimationManager::parabolic(double from, double to, double incline) {
+    return from + ((to - from) / incline);
+}
\ No newline at end of file
-- 
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