core: fix a few build warnings and remove useless operators from the

"half" class. The build is now 3% faster.

src/entity.cpp

@@ -52,6 +52,7 @@ char const *Entity::GetName()
 
 void Entity::TickGame(float seconds)
 {
+    (void)seconds;
 #if !LOL_RELEASE
     if (m_tickstate != STATE_PRETICK_GAME)
         Log::Error("invalid entity game tick\n");
@@ -61,6 +62,7 @@ void Entity::TickGame(float seconds)
 
 void Entity::TickDraw(float seconds)
 {
+    (void)seconds;
 #if !LOL_RELEASE
     if (m_tickstate != STATE_PRETICK_DRAW)
         Log::Error("invalid entity draw tick\n");

src/layer.cpp

@@ -45,7 +45,7 @@ Layer::~Layer()
     free(data);
 }
 
-void Layer::Render(int x, int y, int z)
+void Layer::Render(int /* x */, int /* y */, int /* z */)
 {
     static int error = 1;
     if (error && !(error = 0))

src/lol/math/half.h

@@ -156,10 +156,8 @@ static inline half clamp(half x, half a, half b)
 #define DECLARE_COERCE_FROM_HALF_OPS(type) \
     DECLARE_COERCE_HALF_OPS(type, type, x, (type)h)
 
-DECLARE_COERCE_TO_HALF_OPS(int8_t)
-DECLARE_COERCE_TO_HALF_OPS(uint8_t)
-DECLARE_COERCE_TO_HALF_OPS(int16_t)
-DECLARE_COERCE_TO_HALF_OPS(uint16_t)
+/* Only provide coercion rules above int32_t, since the standard says
+ * all smaller base types are coerced to int. */
 DECLARE_COERCE_TO_HALF_OPS(int32_t)
 DECLARE_COERCE_TO_HALF_OPS(uint32_t)
 DECLARE_COERCE_TO_HALF_OPS(int64_t)

src/ticker.cpp

@@ -151,7 +151,7 @@ int Ticker::Unref(Entity *entity)
     return --entity->m_ref;
 }
 
-void *TickerData::GameThreadMain(void *p)
+void *TickerData::GameThreadMain(void * /* p */)
 {
     for (;;)
     {
@@ -296,7 +296,7 @@ void *TickerData::GameThreadMain(void *p)
     return NULL;
 }
 
-void *TickerData::DrawThreadMain(void *p)
+void *TickerData::DrawThreadMain(void * /* p */)
 {
     for (;;)
     {
@@ -310,18 +310,18 @@ void *TickerData::DrawThreadMain(void *p)
     return NULL;
 }
 
-void *TickerData::DiskThreadMain(void *p)
+void *TickerData::DiskThreadMain(void * /* p */)
 {
     return NULL;
 }
 
-void Ticker::SetState(Entity *entity, uint32_t state)
+void Ticker::SetState(Entity * /* entity */, uint32_t /* state */)
 {
 
 }
 
-void Ticker::SetStateWhenMatch(Entity *entity, uint32_t state,
-                               Entity *other_entity, uint32_t other_state)
+void Ticker::SetStateWhenMatch(Entity * /* entity */, uint32_t /* state */,
+                               Entity * /* other_entity */, uint32_t /* other_state */)
 {
 
 }

test/tutorial/01_triangle.cpp

@@ -22,10 +22,6 @@ using namespace lol;
 #   include <SDL_main.h>
 #endif
 
-#if defined __native_client__
-#   define main old_main
-#endif
-
 #if defined _WIN32
 #   undef main /* FIXME: still needed? */
 #   include <direct.h>