Texture scrolling interpolation, Take 2 (#1332)

* Scrolling texture interpolation

Co-authored-by: Nicholas Estelami <NEstelami@users.noreply.github.com>

* Interpolate remaining GIs

* Clean up gDPSetTileSizeInterp

---------

Co-authored-by: Nicholas Estelami <NEstelami@users.noreply.github.com>

1 files changed, 9 insertions, 0 deletions

diff --git a/mm/2s2h/BenPort.cpp b/mm/2s2h/BenPort.cpp
index 1fdec6562..6f0146094 100644
--- a/mm/2s2h/BenPort.cpp
+++ b/mm/2s2h/BenPort.cpp
@@ -331,6 +331,11 @@ extern "C" uint32_t Ship_GetInterpolationFPS() {
     return OTRGlobals::Instance->GetInterpolationFPS();
 }
 
+// Number of interpolated frames
+extern "C" uint32_t Ship_GetInterpolationFrameCount() {
+    return ceil((float)Ship_GetInterpolationFPS() / 20.0f);
+}
+
 struct ExtensionEntry {
     std::string path;
     std::string ext;
@@ -911,8 +916,12 @@ void RunCommands(Gfx* Commands, const std::vector<std::unordered_map<Mtx*, MtxF>
     // Process window events for resize, mouse, keyboard events
     wnd->HandleEvents();
 
+    auto intp = wnd->GetInterpreterWeak().lock().get();
+    intp->mInterpolationIndex = 0;
+
     for (const auto& m : mtx_replacements) {
         wnd->DrawAndRunGraphicsCommands(Commands, m);
+        intp->mInterpolationIndex++;
     }
 }