aboutsummaryrefslogtreecommitdiff
path: root/util/helper_mod
Commit message (Expand)AuthorAge
* Add utility script to stress-test mapgensfan52022-07-04
='#n13'>13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167
/*
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;
		}

		s32 texth = 15;
		char buf[10];
		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);
		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++;
	}
}