CRYO: Change some int16 to boolean, use nullptr for pointers

3 files changed, 16 insertions, 16 deletions

diff --git a/engines/cryo/clhnm.cpp b/engines/cryo/clhnm.cpp
index 03f971d79d..51182dba9e 100644
--- a/engines/cryo/clhnm.cpp
+++ b/engines/cryo/clhnm.cpp
@@ -39,11 +39,11 @@ static bool use_sound_sync = false;
 static int16 pending_sounds = 0;
 static bool sound_started = false;
 static bool preserve_color0 = false;
-static soundchannel_t *soundChannel_adpcm = 0;
-static soundgroup_t *soundGroup_adpcm = 0;
-static soundchannel_t *soundChannel = 0;
+static soundchannel_t *soundChannel_adpcm = nullptr;
+static soundgroup_t *soundGroup_adpcm = nullptr;
+static soundchannel_t *soundChannel = nullptr;
 static soundgroup_t *soundGroup = 0;
-static void (*custom_chunk_handler)(byte *buffer, int size, int16 id, char h6, char h7) = 0;
+static void (*custom_chunk_handler)(byte *buffer, int size, int16 id, char h6, char h7) = nullptr;
 static int16 decomp_table[256];
 
 void CLHNM_Desentrelace320(byte *frame_buffer, byte *final_buffer, uint16 height);
@@ -190,7 +190,7 @@ void CLHNM_DecompUBA(byte *output, byte *curr_buffer, byte *prev_buffer,
 }
 
 void CLHNM_Init() {
-	custom_chunk_handler = 0;
+	custom_chunk_handler = nullptr;
 	preserve_color0 = false;
 }
 
@@ -226,20 +226,20 @@ void CLHNM_CloseSound() {
 	if (soundChannel) {
 		CLSoundChannel_Stop(soundChannel);
 		CLSoundChannel_Free(soundChannel);
-		soundChannel = 0;
+		soundChannel = nullptr;
 	}
 	if (soundGroup) {
 		CLSoundGroup_Free(soundGroup);
-		soundGroup = 0;
+		soundGroup = nullptr;
 	}
 	if (soundChannel_adpcm) {
 		CLSoundChannel_Stop(soundChannel_adpcm);
 		CLSoundChannel_Free(soundChannel_adpcm);
-		soundChannel = 0;
+		soundChannel = nullptr;
 	}
 	if (soundGroup_adpcm) {
 		CLSoundGroup_Free(soundGroup_adpcm);
-		soundGroup = 0;
+		soundGroup = nullptr;
 	}
 }
 
@@ -438,14 +438,14 @@ void CLHNM_Reset(hnm_t *hnm) {
 	CLHNM_ResetInternalTimer();
 }
 
-int16 CLHNM_LoadFrame(hnm_t *hnm) {
+bool CLHNM_LoadFrame(hnm_t *hnm) {
 	int chunk;
 	CLHNM_TryRead(hnm, 4);
 	chunk = *(int *)hnm->_readBuffer;
 	chunk = LE32(chunk);
 	chunk &= 0xFFFFFF;  // upper bit - keyframe mark?
 	if (!chunk)
-		return 0;
+		return false;
 
 	if (chunk - 4 > hnm->_header._bufferSize)
 		error("CLHNM_LoadFrame - Chunk size");
@@ -453,7 +453,7 @@ int16 CLHNM_LoadFrame(hnm_t *hnm) {
 	CLHNM_TryRead(hnm, chunk - 4);
 	hnm->_dataPtr = hnm->_readBuffer;
 	hnm->_totalRead += chunk;
-	return 1;
+	return true;
 }
 
 void CLHNM_WantsSound(bool sound) {
diff --git a/engines/cryo/cryolib.cpp b/engines/cryo/cryolib.cpp
index 8989cba0ca..8b5eaf6252 100644
--- a/engines/cryo/cryolib.cpp
+++ b/engines/cryo/cryolib.cpp
@@ -203,7 +203,7 @@ void CLPalette_BeSystem() {
 ///// CLBlitter
 static uint16 newPaletteCount, newPaletteFirst;
 static color_t *pNewPalette;
-static uint16 useNewPalette;
+static bool useNewPalette;
 
 void CLBlitter_CopyViewRect(View *view1, View *view2, Common::Rect *rect1, Common::Rect *rect2) {
 	int dy = rect2->top;
@@ -223,7 +223,7 @@ void CLBlitter_CopyViewRect(View *view1, View *view2, Common::Rect *rect1, Commo
 
 void CLBlitter_Send2ScreenNextCopy(color_t *palette, uint16 first, uint16 count) {
 	pNewPalette = palette;
-	useNewPalette = 1;
+	useNewPalette = true;
 	newPaletteFirst = first;
 	newPaletteCount = count;
 }
@@ -262,7 +262,7 @@ void CLBlitter_CopyView2Screen(View *view) {
 		color_t palette[256];
 		CLPalette_GetLastPalette(palette);
 		CLPalette_Send2Screen(pNewPalette, newPaletteFirst, newPaletteCount);
-		useNewPalette = 0;
+		useNewPalette = false;
 	}
 
 	//TODO: quick hack to force screen update
diff --git a/engines/cryo/cryolib.h b/engines/cryo/cryolib.h
index 679be87d27..21c6c8ab5a 100644
--- a/engines/cryo/cryolib.h
+++ b/engines/cryo/cryolib.h
@@ -290,7 +290,7 @@ soundchannel_t *CLHNM_GetSoundChannel();
 void CLHNM_TryRead(hnm_t *hnm, int size);
 void CLHNM_ResetInternalTimer();
 void CLHNM_Reset(hnm_t *hnm);
-int16 CLHNM_LoadFrame(hnm_t *hnm);
+bool CLHNM_LoadFrame(hnm_t *hnm);
 void CLHNM_WantsSound(int16 sound);
 void CLHNM_LoadDecompTable(int16 *buffer);
 void CLHNM_DecompADPCM(byte *buffer, int16 *output, int size);