//------------------------------------------------------------------------
int CScriptBind_UIAction::CallFunction( IFunctionHandler *pH, const char * elementName, int instanceID, const char* functionName )
{
SUIArguments args;
if (!SUIToLuaConversationHelper::LuaArgsToUIArgs(pH, 4, args))
{
UIACTION_WARNING( "LUA: Failed to call function %s on element %s: Invalid arguments", functionName, elementName );
return pH->EndFunction(false);
}
IUIElement* pElement = GetElement( elementName, instanceID, true );
if ( pElement )
{
const SUIEventDesc* pFctDesc = pElement->GetFunctionDesc( functionName );
if ( pFctDesc )
{
TUIData res;
bool bFctOk = true;
if ( instanceID < 0 )
{
IUIElementIteratorPtr elements = pElement->GetInstances();
while ( IUIElement* pInstance = elements->Next() )
bFctOk &= pInstance->CallFunction( pFctDesc, args, &res);
}
else
{
bFctOk = pElement->CallFunction( pFctDesc, args, &res);
}
if ( bFctOk )
{
string sRes;
res.GetValueWithConversion( sRes );
return pH->EndFunction( sRes.c_str() );
}
}
UIACTION_WARNING( "LUA: UIElement %s does not have function %s", elementName, functionName );
}
else if (IUIEventSystem* pEventSystem = GetEventSystem( elementName, IUIEventSystem::eEST_UI_TO_SYSTEM ))
{
uint eventid = pEventSystem->GetEventId( functionName );
if ( eventid != ~0 )
{
SUIArguments res = pEventSystem->SendEvent( SUIEvent( eventid, args ) );
SmartScriptTable table = gEnv->pScriptSystem->CreateTable();
SUIToLuaConversationHelper::UIArgsToLuaTable(res, table);
return pH->EndFunction( table );
}
UIACTION_WARNING( "LUA: UIEventSystem %s does not have event %s", elementName, functionName );
}
else
{
UIACTION_WARNING( "LUA: UIElement or UIEventSystem %s does not exist", elementName );
}
return pH->EndFunction(false);
}
virtual void ProcessEvent( EFlowEvent event, SActivationInfo *pActInfo )
{
switch (event)
{
case eFE_Initialize:
break;
case eFE_Activate:
IGameFramework* pGameFramework = gEnv->pGame->GetIGameFramework();
if(IsPortActive(pActInfo, EIP_Cast))
{
// setup ray + optionally skip 1 entity
ray_hit rayHit;
static const float maxRayDist = 100.f;
const unsigned int flags = rwi_stop_at_pierceable|rwi_colltype_any;
IPhysicalEntity *skipList[1];
int skipCount = 0;
IEntity* skipEntity = gEnv->pEntitySystem->GetEntity(GetPortEntityId(pActInfo, EIP_SkipEntity));
if(skipEntity)
{
skipList[0] = skipEntity->GetPhysics();
skipCount = 1;
}
Vec3 rayPos = GetPortVec3(pActInfo, EIP_RayPos);
Vec3 rayDir = GetPortVec3(pActInfo, EIP_RayDir);
// Check if the ray hits an entity
if(gEnv->pSystem->GetIPhysicalWorld()->RayWorldIntersection(rayPos, rayDir * 100, ent_all, flags, &rayHit, 1, skipList, skipCount))
{
int type = rayHit.pCollider->GetiForeignData();
if (type == PHYS_FOREIGN_ID_ENTITY)
{
IEntity* pEntity = (IEntity*)rayHit.pCollider->GetForeignData(PHYS_FOREIGN_ID_ENTITY);
IEntityRenderProxy* pRenderProxy = pEntity ? (IEntityRenderProxy*)pEntity->GetProxy(ENTITY_PROXY_RENDER) : 0;
// Get the renderproxy, and use it to check if the material is a DynTex, and get the UIElement if so
if(pRenderProxy)
{
IRenderNode *pRenderNode = pRenderProxy->GetRenderNode();
IMaterial* pMaterial = pRenderProxy->GetRenderMaterial();
SEfResTexture* texture = 0;
if(pMaterial && pMaterial->GetShaderItem().m_pShaderResources)
texture= pMaterial->GetShaderItem().m_pShaderResources->GetTexture(EFTT_DIFFUSE);
IUIElement* pElement = texture ? gEnv->pFlashUI->GetUIElementByInstanceStr(texture->m_Name) : 0;
if(pElement && pRenderNode)
{
int m_dynTexGeomSlot = 0;
IStatObj* pObj = pRenderNode->GetEntityStatObj(m_dynTexGeomSlot);
// result
bool hasHit = false;
Vec2 uv0, uv1, uv2;
Vec3 p0, p1, p2;
Vec3 hitpos;
// calculate ray dir
CCamera cam = gEnv->pRenderer->GetCamera();
if (pEntity->GetSlotFlags(m_dynTexGeomSlot) & ENTITY_SLOT_RENDER_NEAREST)
{
ICVar *r_drawnearfov = gEnv->pConsole->GetCVar("r_DrawNearFoV");
assert(r_drawnearfov);
cam.SetFrustum(cam.GetViewSurfaceX(),cam.GetViewSurfaceZ(),DEG2RAD(r_drawnearfov->GetFVal()),cam.GetNearPlane(),cam.GetFarPlane(), cam.GetPixelAspectRatio());
}
Vec3 vPos0 = rayPos;
Vec3 vPos1 = rayPos + rayDir;
// translate into object space
const Matrix34 m = pEntity->GetWorldTM().GetInverted();
vPos0 = m * vPos0;
vPos1 = m * vPos1;
// walk through all sub objects
const int objCount = pObj->GetSubObjectCount();
for (int obj = 0; obj <= objCount && !hasHit; ++obj)
{
Vec3 vP0, vP1;
IStatObj* pSubObj = NULL;
if (obj == objCount)
{
vP0 = vPos0;
vP1 = vPos1;
pSubObj = pObj;
}
else
{
IStatObj::SSubObject* pSub = pObj->GetSubObject(obj);
const Matrix34 mm = pSub->tm.GetInverted();
vP0 = mm * vPos0;
vP1 = mm * vPos1;
pSubObj = pSub->pStatObj;
}
IRenderMesh* pMesh = pSubObj ? pSubObj->GetRenderMesh() : NULL;
if (pMesh)
{
const Ray ray(vP0, (vP1-vP0).GetNormalized() * maxRayDist);
hasHit = RayIntersectMesh(pMesh, pMaterial, pElement, ray, hitpos, p0, p1, p2, uv0, uv1, uv2);
}
}
// skip if not hit
if (!hasHit)
{
ActivateOutput(pActInfo, EOP_Failed, 1);
return;
}
// calculate vectors from hitpos to vertices p0, p1 and p2:
const Vec3 v0 = p0-hitpos;
const Vec3 v1 = p1-hitpos;
const Vec3 v2 = p2-hitpos;
// calculate factors
const float h = (p0-p1).Cross(p0-p2).GetLength();
const float f0 = v1.Cross(v2).GetLength() / h;
const float f1 = v2.Cross(v0).GetLength() / h;
const float f2 = v0.Cross(v1).GetLength() / h;
// find the uv corresponding to hitpos
Vec3 uv = uv0 * f0 + uv1 * f1 + uv2 * f2;
// translate to flash space
int x, y, width, height;
float aspect;
pElement->GetFlashPlayer()->GetViewport(x, y, width, height, aspect);
int iX = int_round(uv.x * (float)width);
int iY = int_round(uv.y * (float)height);
// call the function provided if it is present in the UIElement description
string funcName = GetPortString(pActInfo, EIP_CallFunction);
const SUIEventDesc* eventDesc = pElement->GetFunctionDesc(funcName);
if(eventDesc)
{
SUIArguments arg;
arg.AddArgument(iX);
arg.AddArgument(iY);
pElement->CallFunction(eventDesc->sName, arg);
}
ActivateOutput(pActInfo, EOP_Success, 1);
}
}
}
}
ActivateOutput(pActInfo, EOP_Failed, 1);
}
break;
}
}