WIP Compilation

1 files changed, 54 insertions, 0 deletions

diff --git a/src/port/GBIMiddleware.cpp b/src/port/GBIMiddleware.cpp
new file mode 100644
index 000000000..37b86004a
--- /dev/null
+++ b/src/port/GBIMiddleware.cpp
@@ -0,0 +1,54 @@
+#include <libultraship.h>
+
+#include "Engine.h"
+#include "DisplayList.h"
+#include "Array.h"
+
+extern "C" int GameEngine_OTRSigCheck(const char* data);
+
+extern "C" void gSPDisplayList(Gfx* pkt, Gfx* dl) {
+    char* imgData = (char*)dl;
+
+    if (GameEngine_OTRSigCheck(imgData) == 1) {
+        auto resource = LUS::Context::GetInstance()->GetResourceManager()->LoadResource(imgData);
+        auto res = std::static_pointer_cast<LUS::DisplayList>(resource);
+        dl = &res->Instructions[0];
+        dl->words.trace.file = imgData;
+        dl->words.trace.idx = 0;
+        dl->words.trace.valid = true;
+    }
+
+    __gSPDisplayList(pkt, dl);
+}
+
+extern "C" void gSPVertex(Gfx* pkt, uintptr_t v, int n, int v0) {
+
+    if (GameEngine_OTRSigCheck((char*)v) == 1) {
+        v = (uintptr_t) ResourceGetDataByName((char *) v);
+    }
+
+    __gSPVertex(pkt, v, n, v0);
+}
+
+extern "C" void gSPInvalidateTexCache(Gfx* pkt, uintptr_t texAddr) {
+    auto data = reinterpret_cast<char*>(texAddr);
+
+    if (texAddr != 0 && GameEngine_OTRSigCheck(data)) {
+        const auto res = LUS::Context::GetInstance()->GetResourceManager()->LoadResource(data);
+        const auto type = static_cast<LUS::ResourceType>(res->GetInitData()->Type);
+
+        switch(type) {
+            case LUS::ResourceType::DisplayList:
+                texAddr = reinterpret_cast<uintptr_t>(&std::static_pointer_cast<LUS::DisplayList>(res)->Instructions[0]);
+                break;
+            case LUS::ResourceType::Array:
+                texAddr = reinterpret_cast<uintptr_t>(std::static_pointer_cast<LUS::Array>(res)->Vertices.data());
+                break;
+            default:
+                texAddr = reinterpret_cast<uintptr_t>(res->GetRawPointer());
+                break;
+        }
+    }
+
+   __gSPInvalidateTexCache(pkt, texAddr);
+}