mame/src/osd/modules/render/bgfx/suppressorreader.cpp

95 lines
3.5 KiB
C++

// license:BSD-3-Clause
// copyright-holders:Ryan Holtz
//============================================================
//
// suppressorreader.cpp - Reads pass-skipping conditions
//
//============================================================
#include "suppressorreader.h"
#include "suppressor.h"
#include "slider.h"
const suppressor_reader::string_to_enum suppressor_reader::CONDITION_NAMES[suppressor_reader::CONDITION_COUNT] = {
{ "equal", bgfx_suppressor::condition_type::CONDITION_EQUAL },
{ "notequal", bgfx_suppressor::condition_type::CONDITION_NOTEQUAL }
};
const suppressor_reader::string_to_enum suppressor_reader::COMBINE_NAMES[suppressor_reader::COMBINE_COUNT] = {
{ "and", bgfx_suppressor::combine_mode::COMBINE_AND },
{ "or", bgfx_suppressor::combine_mode::COMBINE_OR }
};
bgfx_suppressor* suppressor_reader::read_from_value(const Value& value, const std::string &prefix, std::map<std::string, bgfx_slider*>& sliders)
{
if (!validate_parameters(value, prefix))
{
return nullptr;
}
std::string name = value["name"].GetString();
uint32_t condition = uint32_t(get_enum_from_value(value, "condition", bgfx_suppressor::condition_type::CONDITION_EQUAL, CONDITION_NAMES, CONDITION_COUNT));
bgfx_suppressor::combine_mode mode = bgfx_suppressor::combine_mode(get_enum_from_value(value, "combine", bgfx_suppressor::combine_mode::COMBINE_OR, COMBINE_NAMES, COMBINE_COUNT));
std::vector<bgfx_slider*> check_sliders;
check_sliders.push_back(sliders[name + "0"]);
int slider_count;
switch (check_sliders[0]->type())
{
case bgfx_slider::slider_type::SLIDER_FLOAT:
case bgfx_slider::slider_type::SLIDER_INT:
case bgfx_slider::slider_type::SLIDER_INT_ENUM:
slider_count = 1;
break;
case bgfx_slider::slider_type::SLIDER_VEC2:
slider_count = 2;
break;
case bgfx_slider::slider_type::SLIDER_COLOR:
slider_count = 3;
break;
default:
slider_count = 0;
break;
}
int values[4];
if (slider_count > 1)
{
get_values(value, prefix, "value", values, slider_count);
if (!READER_CHECK(slider_count == value["value"].GetArray().Size(), "%sExpected %d values, got %u\n", prefix, slider_count, value["value"].GetArray().Size())) return nullptr;
for (int index = 1; index < slider_count; index++)
{
check_sliders.push_back(sliders[name + std::to_string(index)]);
}
}
else
{
values[0] = get_int(value, "value", 0);
}
return new bgfx_suppressor(std::move(check_sliders), condition, mode, values);
}
bool suppressor_reader::validate_parameters(const Value& value, const std::string &prefix)
{
if (!READER_CHECK(value["type"].IsString(), "%sValue 'type' must be a string\n", prefix)) return false;
if (!READER_CHECK(value.HasMember("name"), "%sMust have string value 'name'\n", prefix)) return false;
if (!READER_CHECK(value["name"].IsString(), "%sValue 'name' must be a string\n", prefix)) return false;
if (!READER_CHECK(value.HasMember("value"), "%sMust have numeric or array value 'value'\n", prefix)) return false;
if (!READER_CHECK(value["value"].IsNumber() || value["value"].IsArray(), "%sValue 'value' must be a number or array the size of the corresponding slider type\n", prefix)) return false;
return true;
}
bool suppressor_reader::get_values(const Value& value, std::string prefix, std::string name, int* values, const int count)
{
const Value& value_array = value[name.c_str()];
for (uint32_t i = 0; i < value_array.Size() && i < count; i++)
{
if (!READER_CHECK(value_array[i].IsInt(), "%svalue[%u] must be an integer\n", prefix, i)) return false;
values[i] = value_array[i].GetInt();
}
return true;
}