mirror of
https://github.com/TES3MP/openmw-tes3mp.git
synced 2025-11-04 09:26:49 +00:00
115 lines
2.8 KiB
C++
115 lines
2.8 KiB
C++
#include "ValueHistory.h"
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#include "imgui.h"
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#include <string.h>
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#include <stdio.h>
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#ifdef WIN32
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# define snprintf _snprintf
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#endif
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ValueHistory::ValueHistory() :
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m_hsamples(0)
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{
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for (int i = 0; i < MAX_HISTORY; ++i)
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m_samples[i] = 0;
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}
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float ValueHistory::getSampleMin() const
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{
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float val = m_samples[0];
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for (int i = 1; i < MAX_HISTORY; ++i)
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if (m_samples[i] < val)
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val = m_samples[i];
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return val;
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}
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float ValueHistory::getSampleMax() const
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{
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float val = m_samples[0];
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for (int i = 1; i < MAX_HISTORY; ++i)
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if (m_samples[i] > val)
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val = m_samples[i];
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return val;
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}
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float ValueHistory::getAverage() const
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{
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float val = 0;
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for (int i = 0; i < MAX_HISTORY; ++i)
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val += m_samples[i];
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return val/(float)MAX_HISTORY;
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}
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void GraphParams::setRect(int ix, int iy, int iw, int ih, int ipad)
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{
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x = ix;
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y = iy;
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w = iw;
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h = ih;
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pad = ipad;
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}
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void GraphParams::setValueRange(float ivmin, float ivmax, int indiv, const char* iunits)
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{
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vmin = ivmin;
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vmax = ivmax;
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ndiv = indiv;
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strcpy(units, iunits);
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}
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void drawGraphBackground(const GraphParams* p)
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{
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// BG
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imguiDrawRoundedRect((float)p->x, (float)p->y, (float)p->w, (float)p->h, (float)p->pad, imguiRGBA(64,64,64,128));
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const float sy = (p->h-p->pad*2) / (p->vmax-p->vmin);
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const float oy = p->y+p->pad-p->vmin*sy;
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char text[64];
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// Divider Lines
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for (int i = 0; i <= p->ndiv; ++i)
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{
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const float u = (float)i/(float)p->ndiv;
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const float v = p->vmin + (p->vmax-p->vmin)*u;
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snprintf(text, 64, "%.2f %s", v, p->units);
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const float fy = oy + v*sy;
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imguiDrawText(p->x + p->w - p->pad, (int)fy-4, IMGUI_ALIGN_RIGHT, text, imguiRGBA(0,0,0,255));
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imguiDrawLine((float)p->x + (float)p->pad, fy, (float)p->x + (float)p->w - (float)p->pad - 50, fy, 1.0f, imguiRGBA(0,0,0,64));
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}
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}
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void drawGraph(const GraphParams* p, const ValueHistory* graph,
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int idx, const char* label, const unsigned int col)
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{
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const float sx = (p->w - p->pad*2) / (float)graph->getSampleCount();
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const float sy = (p->h - p->pad*2) / (p->vmax - p->vmin);
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const float ox = (float)p->x + (float)p->pad;
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const float oy = (float)p->y + (float)p->pad - p->vmin*sy;
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// Values
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float px=0, py=0;
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for (int i = 0; i < graph->getSampleCount()-1; ++i)
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{
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const float x = ox + i*sx;
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const float y = oy + graph->getSample(i)*sy;
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if (i > 0)
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imguiDrawLine(px,py, x,y, 2.0f, col);
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px = x;
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py = y;
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}
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// Label
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const int size = 15;
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const int spacing = 10;
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int ix = p->x + p->w + 5;
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int iy = p->y + p->h - (idx+1)*(size+spacing);
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imguiDrawRoundedRect((float)ix, (float)iy, (float)size, (float)size, 2.0f, col);
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char text[64];
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snprintf(text, 64, "%.2f %s", graph->getAverage(), p->units);
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imguiDrawText(ix+size+5, iy+3, IMGUI_ALIGN_LEFT, label, imguiRGBA(255,255,255,192));
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imguiDrawText(ix+size+150, iy+3, IMGUI_ALIGN_RIGHT, text, imguiRGBA(255,255,255,128));
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}
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