ref: 61fbb8bcf77691bbb617a7be8c3c6204559cfbd2
parent: 48e19c69bf470517353101a445b8d824d1b3f7bb
author: Thomas A. Birkel <capnclever@gmail.com>
date: Wed Nov 9 22:21:58 EST 2016
v_video.c: Enhance V_DrawMouseSpeedBox in non-acceleration cases Display speed box when acceleration settings are inconsequential. Additionally, show as direct mouse input and adjust if input exceeds box length by decreasing resolution. Fix for #791
--- a/src/v_video.c
+++ b/src/v_video.c
@@ -867,6 +867,18 @@
#define MOUSE_SPEED_BOX_WIDTH 120
#define MOUSE_SPEED_BOX_HEIGHT 9
+//
+// V_DrawMouseSpeedBox
+//
+
+// If box is only to calibrate speed, testing relative speed (as a measure
+// of game pixels to movement units) is important whether physical mouse DPI
+// is high or low. Line resolution starts at 1 pixel per 1 move-unit: if
+// line maxes out, resolution becomes 1 pixel per 2 move-units, then per
+// 3 move-units, etc.
+
+static int linelen_multiplier = 1;
+
void V_DrawMouseSpeedBox(int speed)
{extern int usemouse;
@@ -875,6 +887,8 @@
int original_speed;
int redline_x;
int linelen;
+ int i;
+ boolean draw_acceleration = false;
// Get palette indices for colors for widget. These depend on the
// palette of the game being played.
@@ -886,14 +900,19 @@
yellow = I_GetPaletteIndex(0xff, 0xff, 0x00);
white = I_GetPaletteIndex(0xff, 0xff, 0xff);
- // If the mouse is turned off or acceleration is turned off, don't
- // draw the box at all.
-
- if (!usemouse || fabs(mouse_acceleration - 1) < 0.01)
+ // If the mouse is turned off, don't draw the box at all.
+ if (!usemouse)
{return;
}
+ // If acceleration is used, draw a box that helps to calibrate the
+ // threshold point.
+ if (mouse_threshold > 0 && fabs(mouse_acceleration - 1) > 0.01)
+ {+ draw_acceleration = true;
+ }
+
// Calculate box position
box_x = SCREENWIDTH - MOUSE_SPEED_BOX_WIDTH - 10;
@@ -904,41 +923,44 @@
V_DrawBox(box_x, box_y,
MOUSE_SPEED_BOX_WIDTH, MOUSE_SPEED_BOX_HEIGHT, bordercolor);
- // Calculate the position of the red line. This is 1/3 of the way
- // along the box.
+ // Calculate the position of the red threshold line when calibrating
+ // acceleration. This is 1/3 of the way along the box.
redline_x = MOUSE_SPEED_BOX_WIDTH / 3;
- // Undo acceleration and get back the original mouse speed
+ // Calculate line length
- if (speed < mouse_threshold)
+ if (draw_acceleration && speed >= mouse_threshold)
{- original_speed = speed;
- }
- else
- {+ // Undo acceleration and get back the original mouse speed
original_speed = speed - mouse_threshold;
original_speed = (int) (original_speed / mouse_acceleration);
original_speed += mouse_threshold;
+
+ linelen = (original_speed * redline_x) / mouse_threshold;
}
+ else
+ {+ linelen = speed / linelen_multiplier;
+ }
- // Calculate line length
-
- linelen = (original_speed * redline_x) / mouse_threshold;
-
// Draw horizontal "thermometer"
if (linelen > MOUSE_SPEED_BOX_WIDTH - 1)
{linelen = MOUSE_SPEED_BOX_WIDTH - 1;
+ if (!draw_acceleration)
+ {+ linelen_multiplier++;
+ }
}
V_DrawHorizLine(box_x + 1, box_y + 4, MOUSE_SPEED_BOX_WIDTH - 2, black);
- if (linelen < redline_x)
+ if (!draw_acceleration || linelen < redline_x)
{V_DrawHorizLine(box_x + 1, box_y + MOUSE_SPEED_BOX_HEIGHT / 2,
- linelen, white);
+ linelen, white);
}
else
{@@ -948,9 +970,21 @@
linelen - redline_x, yellow);
}
- // Draw red line
-
- V_DrawVertLine(box_x + redline_x, box_y + 1,
- MOUSE_SPEED_BOX_HEIGHT - 2, red);
+ if (draw_acceleration)
+ {+ // Draw acceleration threshold line
+ V_DrawVertLine(box_x + redline_x, box_y + 1,
+ MOUSE_SPEED_BOX_HEIGHT - 2, red);
+ }
+ else
+ {+ // Draw multiplier lines to indicate current resolution
+ for (i = 1; i < linelen_multiplier; i++)
+ {+ V_DrawVertLine(
+ box_x + (i * MOUSE_SPEED_BOX_WIDTH / linelen_multiplier),
+ box_y + 1, MOUSE_SPEED_BOX_HEIGHT - 2, yellow);
+ }
+ }
}