From 68daa0d7353e391697120230feed5aa270aa4c5a Mon Sep 17 00:00:00 2001
From: Michael Bernardi <mrmbernardi@gmail.com>
Date: Sun, 15 Sep 2024 22:39:49 +1000
Subject: [PATCH] Debugging code

---
 src/openrct2/drawing/Drawing.Sprite.cpp |  2 +-
 src/openrct2/drawing/Drawing.cpp        | 20 ++++++++++++++++++++
 src/openrct2/drawing/Drawing.h          |  2 ++
 src/openrct2/interface/Viewport.cpp     | 19 +++++++++++--------
 4 files changed, 34 insertions(+), 9 deletions(-)

diff --git a/src/openrct2/drawing/Drawing.Sprite.cpp b/src/openrct2/drawing/Drawing.Sprite.cpp
index 95821849c8..5921bc5e85 100644
--- a/src/openrct2/drawing/Drawing.Sprite.cpp
+++ b/src/openrct2/drawing/Drawing.Sprite.cpp
@@ -703,7 +703,7 @@ void FASTCALL GfxDrawSpriteRawMaskedSoftware(
     if (dpi.zoom_level != ZoomLevel{ 0 })
     {
         // TODO: Implement other zoom levels (probably not used though)
-        assert(false);
+        //assert(false); // TODO complete work for sofware zooming or revert change.
         return;
     }
 
diff --git a/src/openrct2/drawing/Drawing.cpp b/src/openrct2/drawing/Drawing.cpp
index 9ef52ab936..6d701b29a3 100644
--- a/src/openrct2/drawing/Drawing.cpp
+++ b/src/openrct2/drawing/Drawing.cpp
@@ -1138,3 +1138,23 @@ void ToggleWindowedMode()
     Config::Get().general.FullscreenMode = targetMode;
     Config::Save();
 }
+
+void DebugDPI(DrawPixelInfo& dpi)
+{
+    DrawPixelInfo unzoomed = dpi;
+    unzoomed.zoom_level = ZoomLevel{ 0 };
+    unzoomed.x = dpi.zoom_level.ApplyInversedTo(dpi.x);
+    unzoomed.y = dpi.zoom_level.ApplyInversedTo(dpi.y);
+    unzoomed.width = dpi.zoom_level.ApplyInversedTo(dpi.width);
+    unzoomed.height = dpi.zoom_level.ApplyInversedTo(dpi.height);
+
+    ScreenCoordsXY topLeft = { unzoomed.x, unzoomed.y };
+    ScreenCoordsXY topRight = { unzoomed.x + unzoomed.width - 1, unzoomed.y };
+    ScreenCoordsXY bottomLeft = { unzoomed.x, unzoomed.y + unzoomed.height - 1 };
+    ScreenCoordsXY bottomRight = { unzoomed.x + unzoomed.width - 1, unzoomed.y + unzoomed.height - 1 };
+    GfxDrawLine(unzoomed, { topLeft, bottomRight }, PALETTE_INDEX_129);
+    GfxDrawLine(unzoomed, { topLeft, topRight }, PALETTE_INDEX_129);
+    GfxDrawLine(unzoomed, { topRight, bottomRight }, PALETTE_INDEX_129);
+    GfxDrawLine(unzoomed, { bottomLeft, bottomRight }, PALETTE_INDEX_129);
+    GfxDrawLine(unzoomed, { topLeft, bottomLeft }, PALETTE_INDEX_129);
+}
\ No newline at end of file
diff --git a/src/openrct2/drawing/Drawing.h b/src/openrct2/drawing/Drawing.h
index 0fcbdf39d5..69f5adde0b 100644
--- a/src/openrct2/drawing/Drawing.h
+++ b/src/openrct2/drawing/Drawing.h
@@ -633,4 +633,6 @@ void UpdatePaletteEffects();
 void RefreshVideo();
 void ToggleWindowedMode();
 
+void DebugDPI(DrawPixelInfo& dpi);
+
 #include "NewDrawing.h"
diff --git a/src/openrct2/interface/Viewport.cpp b/src/openrct2/interface/Viewport.cpp
index dc2642b5db..91dfa45c96 100644
--- a/src/openrct2/interface/Viewport.cpp
+++ b/src/openrct2/interface/Viewport.cpp
@@ -1127,6 +1127,7 @@ static void ViewportPaint(const Viewport* viewport, DrawPixelInfo& dpi, const Sc
         else
         {
             ViewportPaintColumn(*session);
+            DebugDPI(session->DPI); // TODO. Debug change. Revert.
         }
     }
     if (useParallelDrawing)
@@ -2081,12 +2082,14 @@ void ViewportSetSavedView()
 
 ZoomLevel ZoomLevel::min()
 {
-#ifndef DISABLE_OPENGL
-    if (drawing_engine_get_type() == DrawingEngine::OpenGL)
-    {
-        return ZoomLevel{ -2 };
-    }
-#endif
-
-    return ZoomLevel{ 0 };
+    // TODO complete work for sofware zooming or revert change.
+    return ZoomLevel{ -2 };
+// #ifndef DISABLE_OPENGL
+//     if (drawing_engine_get_type() == DrawingEngine::OpenGL)
+//     {
+//         return ZoomLevel{ -2 };
+//     }
+// #endif
+//
+//     return ZoomLevel{ 0 };
 }