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- /*
- Minetest
- Copyright (C) 2010-2013 celeron55, Perttu Ahola <celeron55@gmail.com>
- Copyright (C) 2018 nerzhul, Loic Blot <loic.blot@unix-experience.fr>
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU Lesser General Public License as published by
- the Free Software Foundation; either version 2.1 of the License, or
- (at your option) any later version.
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU Lesser General Public License for more details.
- You should have received a copy of the GNU Lesser General Public License along
- with this program; if not, write to the Free Software Foundation, Inc.,
- 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- */
- #include "porting.h"
- #include "profilergraph.h"
- #include "util/string.h"
- void ProfilerGraph::put(const Profiler::GraphValues &values)
- {
- m_log.emplace_back(values);
- while (m_log.size() > m_log_max_size)
- m_log.erase(m_log.begin());
- }
- void ProfilerGraph::draw(s32 x_left, s32 y_bottom, video::IVideoDriver *driver,
- gui::IGUIFont *font) const
- {
- // Do *not* use UNORDERED_MAP here as the order needs
- // to be the same for each call to prevent flickering
- std::map<std::string, Meta> m_meta;
- for (const Piece &piece : m_log) {
- for (const auto &i : piece.values) {
- const std::string &id = i.first;
- const float &value = i.second;
- std::map<std::string, Meta>::iterator j = m_meta.find(id);
- if (j == m_meta.end()) {
- m_meta[id] = Meta(value);
- continue;
- }
- if (value < j->second.min)
- j->second.min = value;
- if (value > j->second.max)
- j->second.max = value;
- }
- }
- // Assign colors
- static const video::SColor usable_colors[] = {video::SColor(255, 255, 100, 100),
- video::SColor(255, 90, 225, 90),
- video::SColor(255, 100, 100, 255),
- video::SColor(255, 255, 150, 50),
- video::SColor(255, 220, 220, 100)};
- static const u32 usable_colors_count =
- sizeof(usable_colors) / sizeof(*usable_colors);
- u32 next_color_i = 0;
- for (auto &i : m_meta) {
- Meta &meta = i.second;
- video::SColor color(255, 200, 200, 200);
- if (next_color_i < usable_colors_count)
- color = usable_colors[next_color_i++];
- meta.color = color;
- }
- s32 graphh = 50;
- s32 textx = x_left + m_log_max_size + 15;
- s32 textx2 = textx + 200 - 15;
- s32 meta_i = 0;
- for (const auto &p : m_meta) {
- const std::string &id = p.first;
- const Meta &meta = p.second;
- s32 x = x_left;
- s32 y = y_bottom - meta_i * 50;
- float show_min = meta.min;
- float show_max = meta.max;
- if (show_min >= -0.0001 && show_max >= -0.0001) {
- if (show_min <= show_max * 0.5)
- show_min = 0;
- }
- const s32 texth = 15;
- char buf[10];
- if (floorf(show_max) == show_max)
- porting::mt_snprintf(buf, sizeof(buf), "%.5g", show_max);
- else
- porting::mt_snprintf(buf, sizeof(buf), "%.3g", show_max);
- font->draw(utf8_to_wide(buf).c_str(),
- core::rect<s32>(textx, y - graphh, textx2,
- y - graphh + texth),
- meta.color);
- if (floorf(show_min) == show_min)
- porting::mt_snprintf(buf, sizeof(buf), "%.5g", show_min);
- else
- porting::mt_snprintf(buf, sizeof(buf), "%.3g", show_min);
- font->draw(utf8_to_wide(buf).c_str(),
- core::rect<s32>(textx, y - texth, textx2, y), meta.color);
- font->draw(utf8_to_wide(id).c_str(),
- core::rect<s32>(textx, y - graphh / 2 - texth / 2, textx2,
- y - graphh / 2 + texth / 2),
- meta.color);
- s32 graph1y = y;
- s32 graph1h = graphh;
- bool relativegraph = (show_min != 0 && show_min != show_max);
- float lastscaledvalue = 0.0;
- bool lastscaledvalue_exists = false;
- for (const Piece &piece : m_log) {
- float value = 0;
- bool value_exists = false;
- Profiler::GraphValues::const_iterator k = piece.values.find(id);
- if (k != piece.values.end()) {
- value = k->second;
- value_exists = true;
- }
- if (!value_exists) {
- x++;
- lastscaledvalue_exists = false;
- continue;
- }
- float scaledvalue = 1.0;
- if (show_max != show_min)
- scaledvalue = (value - show_min) / (show_max - show_min);
- if (scaledvalue == 1.0 && value == 0) {
- x++;
- lastscaledvalue_exists = false;
- continue;
- }
- if (relativegraph) {
- if (lastscaledvalue_exists) {
- s32 ivalue1 = lastscaledvalue * graph1h;
- s32 ivalue2 = scaledvalue * graph1h;
- driver->draw2DLine(
- v2s32(x - 1, graph1y - ivalue1),
- v2s32(x, graph1y - ivalue2),
- meta.color);
- }
- lastscaledvalue = scaledvalue;
- lastscaledvalue_exists = true;
- } else {
- s32 ivalue = scaledvalue * graph1h;
- driver->draw2DLine(v2s32(x, graph1y),
- v2s32(x, graph1y - ivalue), meta.color);
- }
- x++;
- }
- meta_i++;
- }
- }
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