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Mergul 2019-04-06 15:03:29 +00:00
parent e7d3d08feb
commit bf8fac84cf
1 changed files with 37 additions and 90 deletions
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111
source/ecs/manager.d
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@ -246,124 +246,71 @@ class EntityManager
static assert(0, "System should gave \"EntitiesData\" struct for input components"); static assert(0, "System should gave \"EntitiesData\" struct for input components");
} }
//dfmt off static if (hasMember!(Sys, "EventInput"))
static if(hasMember!(Sys,"EventInput"))
{ {
/* static void genEventCompList(Sys)(ref EventCallData data, EntityInfo* info, ref Sys.EventInput input) static void callEventHandler(Type)(ref EventCallData data)
{*/ {
static void callEventHandler(Type)(ref EventCallData data){
Sys.EventInput input; Sys.EventInput input;
Sys* dataSystem = cast(Sys*) data.system_pointer; Sys* dataSystem = cast(Sys*) data.system_pointer;
EntityInfo* info = data.block.type_info; EntityInfo* info = data.block.type_info;
alias EventFields=Fields!(Sys.EventInput); alias EventFields = Fields!(Sys.EventInput);
foreach (eventFieldNum, ref eventField; input.tupleof) foreach (eventFieldNum, ref eventField; input.tupleof)
{ {
alias EventFieldType = Unqual!(typeof(*eventField)); alias EventFieldType = Unqual!(typeof(*eventField));
enum bool isEntity = is( EventFieldType == ecs.entity.Entity ); enum bool isEntity = is(EventFieldType == ecs.entity.Entity);
static if(isEntity) static if (isEntity)
{ {
eventField=cast(Entity*) data.block.dataBegin() + data.id; eventField = cast(Entity*) data.block.dataBegin() + data.id;
continue; continue;
} }
else else
{ {
enum long indexInEntitiesData=getIndexOfTypeInEntitiesData!(Sys.EntitiesData, EventFieldType); enum long indexInEntitiesData = getIndexOfTypeInEntitiesData!(Sys.EntitiesData,
static assert(indexInEntitiesData != -1, "Component present in EventInput has to be present in EntitiesData!");// Type present in EventInput has to be present in EntitiesData EventFieldType);
static assert(indexInEntitiesData != -1,
"Component present in EventInput has to be present in EntitiesData!"); // Type present in EventInput has to be present in EntitiesData
enum bool isOptional = hasUDA!(Sys.EntitiesData.tupleof[indexInEntitiesData], "optional"); enum bool isOptional = hasUDA!(Sys.EntitiesData.tupleof[indexInEntitiesData],
static if(isOptional) "optional");
static if (isOptional)
{ {
eventField=null; eventField = null;
} }
else else
{ {
eventField = cast(EventFieldType*)(cast(void*) data.block eventField = cast(EventFieldType*)(cast(void*) data.block
+ info.deltas[EventFieldType.component_id] + info.deltas[EventFieldType.component_id]
+ data.id * EventFieldType.sizeof); + data.id * EventFieldType.sizeof);
} }
} }
} }
dataSystem.handleEvent(input, *cast(Type*)data.event); dataSystem.handleEvent(input, *cast(Type*) data.event);
} }
static void setEventCallers(Sys)(ref System system){ static void setEventCallers(Sys)(ref System system)
enum allEventHandlers=__traits(getOverloads, Sys, "handleEvent").length; {
system.m_event_callers = Mallocator.instance.makeArray!(System.EventCaller)(allEventHandlers); enum allEventHandlers = __traits(getOverloads, Sys, "handleEvent").length;
system.m_event_callers = Mallocator.instance.makeArray!(
System.EventCaller)(allEventHandlers);
foreach(j, func; __traits(getOverloads, Sys, "handleEvent")) foreach (j, func; __traits(getOverloads, Sys, "handleEvent"))
{ {
alias EventParamType=Parameters!( __traits(getOverloads, Sys, "handleEvent")[j] )[1]; alias EventParamType = Parameters!(__traits(getOverloads,
system.m_event_callers[j].callback = cast(void*)&callEventHandler!(EventParamType); Sys, "handleEvent")[j])[1];
system.m_event_callers[j].callback = cast(
void*)&callEventHandler!(EventParamType);
system.m_event_callers[j].id = EventParamType.event_id; system.m_event_callers[j].id = EventParamType.event_id;
} }
} }
static if(__traits(hasMember, Sys, "handleEvent")) static if (__traits(hasMember, Sys, "handleEvent"))
{ {
setEventCallers!(Sys)(system); setEventCallers!(Sys)(system);
} }
/*static string checkHandler()(string member)
{
string ret;
ret ~= "(Parameters!(Sys."~member~")).length == 2 && ";
ret ~= "((is(Parameters!(Sys."~member~")[0] == Sys.EventInput) && hasStaticMember!(Parameters!(Sys."~member~")[1],\"event_id\")) ||";
ret ~= " (is(Parameters!(Sys."~member~")[1] == Sys.EventInput) && hasStaticMember!(Parameters!(Sys."~member~")[0],\"event_id\")))";
return ret;
}*/
/*static struct Handler
{
ushort id;
void* callback;
}*/
/*static string catchEventHanlders()()
{
int event_handlers = 0;
string ret;
string event_param;
static if(__traits(hasMember, Sys, "handleEvent"))
{
foreach(func; __traits(getOverloads, Sys, "handleEvent"))
{
event_handlers++;//pragma(msg,"kupa");
}
//ret ~= "Handler[] handlers = (cast(Handler*)alloca("~event_handlers.to!string~" * (Handler).sizeof))[0 .. "~event_handlers.to!string~"];\n";
ret ~= "system.m_event_callers = Mallocator.instance.makeArray!(System.EventCaller)("~event_handlers.to!string~");";
event_handlers = 0;
foreach(j,func; __traits(getOverloads, Sys, "handleEvent"))
{
event_param = "Parameters!(__traits(getOverloads, Sys, \"handleEvent\")["~j.to!string~"])[1]";
ret ~= "static void callHandler"~event_handlers.to!string~"(ref EventCallData data)\n{\n";
ret ~= "Sys* s = cast(Sys*) data.system_pointer;
EntityInfo* info = data.block.type_info;";
//ret ~= genEventCompList();
ret ~= "Sys.EventInput input;\n";
ret ~= "genEventCompList!(Sys)(data, info, input);";
ret ~= "s.handleEvent(input, *cast("~event_param~"*)data.event);";
ret ~= "}\n";
ret ~= "system.m_event_callers["~event_handlers.to!string~"].callback = cast(void*)&callHandler"~event_handlers.to!string~";";
ret ~= "system.m_event_callers["~event_handlers.to!string~"].id = "~event_param~".event_id;";
event_handlers++;
}
}
return ret;
}
//pragma(msg,catchEventHanlders());
mixin(catchEventHanlders());*/
} }
//dfmt on
static string genCompList()() static string genCompList()()
{ {