From 74525e08ac38fe402390e875e523d01304ca6fc2 Mon Sep 17 00:00:00 2001
From: Vicente Ferrari Smith <vicenteferrarismith@gmail.com>
Date: Wed, 18 Dec 2024 17:38:16 +0100
Subject: [PATCH] Better bound finding

---
 module.jai | 62 +++++++++++++++++++++++++++++++++++-------------------
 1 file changed, 40 insertions(+), 22 deletions(-)

diff --git a/module.jai b/module.jai
index bd01a69..1d697ec 100644
--- a/module.jai
+++ b/module.jai
@@ -25,16 +25,15 @@ draw_plot :: (key: string, size: Vector2, xdata: []float64, yarrays: [][]float64
         if data_style == .ONCE {
             plot.xfloat = NewArray(xdata.count, float);
 
-            for xdata {
-                plot.xfloat[it_index] = cast(float) it;
-            }
-
             plot.xmin = 0.0;
             plot.xmax = 0.0;
 
             x_acc : float;
 
             for xdata {
+                plot.xfloat[it_index] = cast(float) it;
+                plot.xfloat[it_index] = cast(float) it;
+
                 if it > plot.xmax plot.xmax = xx it;
                 if it < plot.xmin plot.xmin = xx it;
 
@@ -88,16 +87,14 @@ draw_plot :: (key: string, size: Vector2, xdata: []float64, yarrays: [][]float64
     if data_style == .EVERY_FRAME {
         plot.xfloat = NewArray(xdata.count, float);
 
-        for xdata {
-            plot.xfloat[it_index] = cast(float) it;
-        }
-
-        plot.xmin = 0.0;
-        plot.xmax = 0.0;
+        plot.xmin = FLOAT32_MAX;
+        plot.xmax = -FLOAT32_MAX;
 
         x_acc : float;
 
         for xdata {
+            plot.xfloat[it_index] = cast(float) it;
+
             if it > plot.xmax plot.xmax = xx it;
             if it < plot.xmin plot.xmin = xx it;
 
@@ -145,12 +142,15 @@ draw_plot :: (key: string, size: Vector2, xdata: []float64, yarrays: [][]float64
         }
     }
 
-    ImGui.RadioButton("Tick marks", xx *plot.plot_style, 0); ImGui.SameLine();
+    ImGui.RadioButton("Tick marks", xx *plot.plot_style, 0);
+    ImGui.SameLine();
     ImGui.RadioButton("Scale marker", xx *plot.plot_style, 1);
 
     child_size := ImGui.GetContentRegionAvail();
     child_size.y = 260;
 
+    child_pos := ImGui.GetCursorScreenPos();
+
     if ImGui.BeginChild(key.data, child_size, ImGui.ChildFlags.None, ImGui.WindowFlags.HorizontalScrollbar) {
 
         if plot.plot_style == {
@@ -163,7 +163,9 @@ draw_plot :: (key: string, size: Vector2, xdata: []float64, yarrays: [][]float64
                 plot.bottom_bearing = 20;
         }
 
-        child_pos := ImGui.GetCursorScreenPos();
+        child_size = ImGui.GetContentRegionAvail();
+
+        child_pos = ImGui.GetCursorScreenPos();
         plot.x = xx child_pos.x;
         plot.y = xx child_pos.y;
 
@@ -250,6 +252,7 @@ draw_plot :: (key: string, size: Vector2, xdata: []float64, yarrays: [][]float64
                 glUniform4f(glGetUniformLocation(data_shader, "data_color"), color.x, color.y, color.z, color.w);
 
                 glDrawArrays(GL_LINE_STRIP, 0, xx (plot.xfloat.count));
+                primitives_rendered_this_frame += plot.xfloat.count - 1;
 
                 //glBindFramebuffer(GL_READ_FRAMEBUFFER, plot.msfbo);
                 //glBindFramebuffer(GL_DRAW_FRAMEBUFFER, plot.fbo);
@@ -262,18 +265,17 @@ draw_plot :: (key: string, size: Vector2, xdata: []float64, yarrays: [][]float64
 
             plot.last_frame = frame;
         }
-
-        if data_style == .EVERY_FRAME {
-            array_free(plot.xfloat);
-
-            for plot.yfloats {
-                array_free(it);
-                remove it;
-            }
-        }
-
     }
     ImGui.EndChild();
+
+    if data_style == .EVERY_FRAME {
+        array_reset(*plot.xfloat);
+
+        for * plot.yfloats {
+            array_reset(it);
+            remove it;
+        }
+    }
 }
 
 free_old_plots :: () {
@@ -302,6 +304,11 @@ init :: (_win_width: s32, _win_height: s32) {
     window_projection_matrix = orthographic_projection_matrix(0.0, xx win_width, xx win_height, 0.0, -1.0, 1.0);
 
     init_font(*JetBrainsMonoRegular, "JetBrainsMono-Regular.ttf", 12);
+
+    glEnable(GL_MULTISAMPLE);
+    glHint(GL_LINE_SMOOTH_HINT, GL_NICEST);
+    glEnable(GL_LINE_SMOOTH);
+    glLineWidth(1.5);
 }
 
 window_resize :: (_win_width: s32, _win_height: s32) {
@@ -317,6 +324,12 @@ new_frame :: (_mouse: Vector2, _mouse_delta: Vector2, _mouse_wheel_delta: float,
     mouse_delta = _mouse_delta;
     mouse_wheel_delta = _mouse_wheel_delta;
     mouse_left = _mouse_left;
+
+    primitives_rendered_this_frame = 0;
+}
+
+get_primitives_rendered :: () -> int {
+    return primitives_rendered_this_frame;
 }
 
 #scope_file
@@ -333,6 +346,8 @@ mouse_delta : Vector2;
 mouse_wheel_delta : float;
 mouse_left : bool;
 
+primitives_rendered_this_frame : int;
+
 win_width : s32;
 win_height : s32;
 
@@ -565,6 +580,7 @@ draw_axis :: (using plot: Plot, style: PLOT_STYLE, colors: PlotColors) {
     glUniform4f(glGetUniformLocation(line_shader, "data_color"), colors.lines.x, colors.lines.y, colors.lines.z, 1.0);
 
     glDrawArrays(GL_LINES, 0, xx positions.count);
+    primitives_rendered_this_frame += positions.count / 2;
 
     glDeleteBuffers(1, *axis_vbo);
     glDeleteVertexArrays(1, *axis_vao);
@@ -640,6 +656,7 @@ draw_scale :: (using plot: Plot, colors: PlotColors) {
     glUniform4f(glGetUniformLocation(line_shader, "data_color"), 1.0, 0.0, 0.0, 1.0);
 
     glDrawArrays(GL_LINES, 0, xx positions.count);
+    primitives_rendered_this_frame += positions.count / 2;
 
     glDeleteBuffers(1, *scale_vbo);
     glDeleteVertexArrays(1, *scale_vao);
@@ -1008,6 +1025,7 @@ graphics_render_font :: (graphics_font: *GraphicsFont, vertices: []Vector2, tex:
     glUniform3fv(glGetUniformLocation(text_shader, "data_color"), 1, *color.x);
 
     glDrawArrays(GL_TRIANGLES, 0, cast(u32) vertices.count);
+    primitives_rendered_this_frame += vertices.count / 3;
 
     glDeleteBuffers(1, *posvbo);
     glDeleteBuffers(1, *texvbo);