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Added SetStateProperties to Sprite.

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Kyzentun
2015-01-09 23:56:11 -07:00
parent 0adc016681
commit 0a02dd2b7c
5 changed files with 105 additions and 7 deletions
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src/Sprite.cpp
+75
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@@ -1093,6 +1093,80 @@ public:
static int addimagecoords( T* p, lua_State *L ) { p->AddImageCoords( FArg(1),FArg(2) ); COMMON_RETURN_SELF; }
static int setstate( T* p, lua_State *L ) { p->SetState( IArg(1) ); COMMON_RETURN_SELF; }
static int GetState( T* p, lua_State *L ) { lua_pushnumber( L, p->GetState() ); return 1; }
static int SetStateProperties(T* p, lua_State* L)
{
// States table example:
// {{Frame= 0, Delay= .016, {0, 0}, {.25, .25}}}
// Each element in the States table must have a Frame and a Delay.
// Frame is optional, defaulting to 0.
// Delay is optional, defaulting to 0.
// The two tables in the state are the upper left and lower right and are
// optional.
if(!lua_istable(L, 1))
{
luaL_error(L, "State properties must be in a table.");
}
vector<Sprite::State> new_states;
size_t num_states= lua_objlen(L, 1);
for(size_t s= 0; s < num_states; ++s)
{
Sprite::State new_state;
lua_rawgeti(L, 1, s+1);
lua_getfield(L, -1, "Frame");
int frame_index= 0;
if(lua_isnumber(L, -1))
{
frame_index= IArg(-1);
if(frame_index < 0 || frame_index >= p->GetTexture()->GetNumFrames())
{
luaL_error(L, "Frame index out of range 0-%d.",
p->GetTexture()->GetNumFrames()-1);
}
}
new_state.rect= *p->GetTexture()->GetTextureCoordRect(frame_index);
lua_pop(L, 1);
lua_getfield(L, -1, "Delay");
if(lua_isnumber(L, -1))
{
new_state.fDelay= FArg(-1);
// I wonder what a negative state delay does... -Kyz
}
lua_pop(L, 1);
RectF r= new_state.rect;
lua_rawgeti(L, -1, 1);
if(lua_istable(L, -1))
{
lua_rawgeti(L, -1, 1);
// I have no idea why the points are from 0 to 1 and make it use only
// a portion of the state. This is just copied from LoadFromNode.
// -Kyz
new_state.rect.left= SCALE(FArg(-1), 0.0f, 1.0f, r.left, r.right);
lua_pop(L, 1);
lua_rawgeti(L, -1, 2);
new_state.rect.top= SCALE(FArg(-1), 0.0f, 1.0f, r.top, r.bottom);
lua_pop(L, 1);
}
lua_pop(L, 1);
lua_rawgeti(L, -1, 2);
if(lua_istable(L, -1))
{
lua_rawgeti(L, -1, 1);
// I have no idea why the points are from 0 to 1 and make it use only
// a portion of the state. This is just copied from LoadFromNode.
// -Kyz
new_state.rect.right= SCALE(FArg(-1), 0.0f, 1.0f, r.left, r.right);
lua_pop(L, 1);
lua_rawgeti(L, -1, 2);
new_state.rect.bottom= SCALE(FArg(-1), 0.0f, 1.0f, r.top, r.bottom);
lua_pop(L, 1);
}
lua_pop(L, 1);
new_states.push_back(new_state);
lua_pop(L, 1);
}
p->SetStateProperties(new_states);
COMMON_RETURN_SELF;
}
static int GetAnimationLengthSeconds( T* p, lua_State *L ) { lua_pushnumber( L, p->GetAnimationLengthSeconds() ); return 1; }
static int SetSecondsIntoAnimation( T* p, lua_State *L ) { p->SetSecondsIntoAnimation(FArg(0)); COMMON_RETURN_SELF; }
static int SetTexture( T* p, lua_State *L )
@@ -1136,6 +1210,7 @@ public:
ADD_METHOD( addimagecoords );
ADD_METHOD( setstate );
ADD_METHOD( GetState );
ADD_METHOD( SetStateProperties );
ADD_METHOD( GetAnimationLengthSeconds );
ADD_METHOD( SetSecondsIntoAnimation );
ADD_METHOD( SetTexture );