Fix remaning UBSAN issues (#115)

LEGO1/lego/legoomni/src/common/mxcontrolpresenter.cpp

@@ -9,6 +9,7 @@
 #include "mxtimer.h"
 #include "mxutilities.h"
 
+#include <SDL3/SDL_log.h>
 #include <SDL3/SDL_stdinc.h>
 #include <assert.h>
 
@@ -78,7 +79,11 @@ void MxControlPresenter::EndAction()
 MxBool MxControlPresenter::FUN_10044270(MxS32 p_x, MxS32 p_y, MxPresenter* p_presenter)
 {
 	assert(p_presenter);
-	MxStillPresenter* presenter = (MxStillPresenter*) p_presenter;
+	MxStillPresenter* presenter = dynamic_cast<MxStillPresenter*>(p_presenter);
+	if (!presenter) {
+		SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Invalid presenter");
+		return FALSE;
+	}
 
 	if (m_unk0x4c == 3) {
 		MxStillPresenter* map = (MxStillPresenter*) m_list.front();

LEGO1/lego/legoomni/src/paths/legopathboundary.cpp

@@ -6,6 +6,8 @@
 #include "legopathactor.h"
 #include "legopathstruct.h"
 
+#include <SDL3/SDL_log.h>
+
 DECOMP_SIZE_ASSERT(LegoPathBoundary, 0x74)
 
 // FUNCTION: LEGO1 0x10056a70
@@ -357,8 +359,12 @@ MxU32 LegoPathBoundary::FUN_10057fe0(LegoAnimPresenter* p_presenter)
 	// TODO: This only seems to match if the type is not the same as the type of the
 	// key value of the set. Figure out which type the set (or parameter) actually uses.
 	// Also see call to .find in LegoPathController::FUN_10046050
-	m_presenters.insert(static_cast<LegoLocomotionAnimPresenter*>(p_presenter));
-	return 1;
+	if (auto* locomotionPresenter = dynamic_cast<LegoLocomotionAnimPresenter*>(p_presenter)) {
+		m_presenters.insert(locomotionPresenter);
+		return 1;
+	}
+	SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Invalid locomotion");
+	return 0;
 }
 
 // FUNCTION: LEGO1 0x100586e0
@@ -369,8 +375,14 @@ MxU32 LegoPathBoundary::FUN_100586e0(LegoAnimPresenter* p_presenter)
 		// TODO: This only seems to match if the type is not the same as the type of the
 		// key value of the set. Figure out which type the set (or parameter) actually uses.
 		// Also see call to .find in LegoPathController::FUN_10046050
-		if (m_presenters.find(static_cast<LegoLocomotionAnimPresenter*>(p_presenter)) != m_presenters.end()) {
-			m_presenters.erase(static_cast<LegoLocomotionAnimPresenter*>(p_presenter));
+		auto* locomotionPresenter = dynamic_cast<LegoLocomotionAnimPresenter*>(p_presenter);
+		if (!locomotionPresenter) {
+			SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Invalid locomotion");
+			return 0;
+		}
+		auto it = m_presenters.find(locomotionPresenter);
+		if (it != m_presenters.end()) {
+			m_presenters.erase(it);
 			return 1;
 		}
 	}

LEGO1/lego/legoomni/src/video/legophonemepresenter.cpp

@@ -93,7 +93,7 @@ void LegoPhonemePresenter::LoadFrame(MxStreamChunk* p_chunk)
 {
 	MxU8* data = p_chunk->GetData();
 
-	m_rectCount = *(MxS32*) data;
+	m_rectCount = UnalignedRead<MxS32>(data);
 	data += sizeof(MxS32);
 
 	MxRect32* rects = (MxRect32*) data;

LEGO1/omni/src/video/flic.cpp

@@ -159,9 +159,10 @@ void WritePixelPairs(
 	short is_odd = p_count & 1;
 	p_count >>= 1;
 
-	WORD* dst = (WORD*) (((p_bitmapHeader->biWidth + 3) & -4) * p_row + p_column + p_pixelData);
+	BYTE* dst = ((p_bitmapHeader->biWidth + 3) & -4) * p_row + p_column + p_pixelData;
 	while (--p_count >= 0) {
-		*dst++ = p_pixel;
+		memcpy(dst, &p_pixel, sizeof(WORD));
+		dst += sizeof(WORD);
 	}
 
 	if (is_odd) {

LEGO1/omni/src/video/mxflcpresenter.cpp

@@ -49,10 +49,10 @@ void MxFlcPresenter::LoadFrame(MxStreamChunk* p_chunk)
 {
 	MxU8* data = p_chunk->GetData();
 
-	MxS32 rectCount = *(MxS32*) data;
+	MxS32 rectCount = UnalignedRead<MxS32>(data);
 	data += sizeof(MxS32);
 
-	MxRect32* rects = (MxRect32*) data;
+	MxU8* rects = data;
 	data += rectCount * sizeof(MxRect32);
 
 	MxBool decodedColorMap;
@@ -69,7 +69,8 @@ void MxFlcPresenter::LoadFrame(MxStreamChunk* p_chunk)
 	}
 
 	for (MxS32 i = 0; i < rectCount; i++) {
-		MxRect32 rect(rects[i]);
+		MxRect32 rect = UnalignedRead<MxRect32>(rects);
+		rects += sizeof(MxRect32);
 		rect += m_location;
 		MVideoManager()->InvalidateRect(rect);
 	}

LEGO1/tgl/d3drm/group.cpp

@@ -1,5 +1,7 @@
 #include "impl.h"
 
+#include <SDL3/SDL_log.h>
+
 using namespace TglImpl;
 
 // FUNCTION: LEGO1 0x100a31d0
@@ -89,7 +91,11 @@ Result GroupImpl::Add(const Group* pGroup)
 // FUNCTION: LEGO1 0x100a3430
 Result GroupImpl::Add(const MeshBuilder* pMeshBuilder)
 {
-	const MeshBuilderImpl* pMeshBuilderImpl = static_cast<const MeshBuilderImpl*>(pMeshBuilder);
+	const MeshBuilderImpl* pMeshBuilderImpl = dynamic_cast<const MeshBuilderImpl*>(pMeshBuilder);
+	if (!pMeshBuilderImpl) {
+		SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Invalid mesh builder");
+		return Result::Error;
+	}
 	return ResultVal(m_data->AddVisual(pMeshBuilderImpl->ImplementationData()));
 }