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blu_fx.cpp
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/* Copyright (C) 2018 Matteo Hausner
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 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 General Public License for more details.
*
* You should have received a copy of the GNU 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 "XPLMDataAccess.h"
#include "XPLMDefs.h"
#include "XPLMDisplay.h"
#include "XPLMGraphics.h"
#include "XPLMMenus.h"
#include "XPLMPlugin.h"
#include "XPLMProcessing.h"
#include "XPLMUtilities.h"
#include "XPStandardWidgets.h"
#include "XPWidgets.h"
#include <fstream>
#include <sstream>
#if !IBM
#include <string.h>
#include <unistd.h>
#endif
#if APL
#include <OpenGL/gl.h>
#elif IBM
#include "GLee.h"
#elif LIN
#include <GL/gl.h>
#endif
// define name
#define NAME "BLU-fx"
#define NAME_LOWERCASE "blu_fx"
// define version
#define VERSION "1.0"
// define config file path
#if IBM
#define CONFIG_PATH ".\\Resources\\plugins\\" NAME_LOWERCASE "\\" NAME_LOWERCASE ".ini"
#else
#define CONFIG_PATH "./Resources/plugins/" NAME_LOWERCASE "/" NAME_LOWERCASE ".ini"
#endif
#define DEFAULT_POST_PROCESSING_ENABLED 1
#define DEFAULT_FPS_LIMITER_ENABLED 0
#define DEFAULT_CONTROL_CINEMA_VERITE_ENABLED 1
#define DEFAULT_RALEIGH_SCALE 13.0f
#define DEFAULT_MAX_FRAME_RATE 30.0f
#define DEFAULT_DISABLE_CINEMA_VERITE_TIME 5.0f
enum BLUfxPresets_t
{
PRESET_DEFAULT,
PRESET_POLAROID,
PRESET_FOGGED_UP,
PRESET_HIGH_DYNAMIC_RANGE,
PRESET_EDITORS_CHOICE,
PRESET_SLIGHTLY_ENHANCED,
PRESET_EXTRA_GLOOMY,
PRESET_RED_ISH,
PRESET_GREEN_ISH,
PRESET_BLUE_ISH,
PRESET_SHINY_CALIFORNIA,
PRESET_DUSTY_DRY,
PRESET_GRAY_WINTER,
PRESET_FANCY_IMAGINATION,
PRESET_SIXTIES,
PRESET_COLD_WINTER,
PRESET_VINTAGE_FILM,
PRESET_COLORLESS,
PRESET_MONOCHROME,
PRESET_MAX
};
struct BLUfxPreset_t
{
// basic
float brightness;
float contrast;
float saturation;
// scale
float redScale;
float greenScale;
float blueScale;
// offset
float redOffset;
float greenOffset;
float blueOffset;
// misc
float vignette;
};
typedef BLUfxPreset_t BLUfxPreset;
BLUfxPreset BLUfxPresets [PRESET_MAX] =
{
// PRESET_DEFAULT
{
0.0f, // brightness
1.0f, // contrast
1.0f, // saturation
0.0f, // red scale
0.0f, // green scale
0.0f, // blue scale
0.0f, // red offset
0.0f, // green offset
0.0f, // blue offset
0.0f // vignette
},
// PRESET_POLAROID
{
0.05f, // brightness
1.1f, // contrast
1.4f, // saturation
0.0f, // red scale
0.0f, // green scale
-0.2f, // blue scale
0.0f, // red offset
0.0f, // green offset
0.0f, // blue offset
0.6f // vignette
},
// PRESET_FOGGED_UP
{
0.05f, // brightness
1.2f, // contrast
0.7f, // saturation
0.15f, // red scale
0.15f, // green scale
0.15f, // blue scale
0.0f, // red offset
0.0f, // green offset
0.0f, // blue offset
0.3f // vignette
},
// PRESET_HIGH_DYNAMIC_RANGE
{
0.0f, // brightness
1.15f, // contrast
0.9f, // saturation
0.0f, // red scale
0.0f, // green scale
0.0f, // blue scale
0.0f, // red offset
0.0f, // green offset
0.0f, // blue offset
0.6f // vignette
},
// PRESET_EDITORS_CHOICE
{
0.05f, // brightness
1.1f, // contrast
1.3f, // saturation
0.0f, // red scale
0.0f, // green scale
0.0f, // blue scale
0.0f, // red offset
0.0f, // green offset
0.0f, // blue offset
0.3f // vignette
},
// PRESET_SLIGHTLY_ENHANCED
{
0.05f, // brightness
1.1f, // contrast
1.1f, // saturation
0.0f, // red scale
0.0f, // green scale
0.0f, // blue scale
0.0f, // red offset
0.0f, // green offset
0.0f, // blue offset
0.0f // vignette
},
// PRESET_EXTRA_GLOOMY
{
-0.15f, // brightness
1.3f, // contrast
1.0f, // saturation
0.0f, // red scale
0.0f, // green scale
0.0f, // blue scale
0.0f, // red offset
0.0f, // green offset
0.0f, // blue offset
0.0f // vignette
},
// PRESET_RED_ISH
{
0.0f, // brightness
1.0f, // contrast
1.0f, // saturation
0.1f, // red scale
0.0f, // green scale
0.0f, // blue scale
0.0f, // red offset
0.0f, // green offset
0.0f, // blue offset
0.0f // vignette
},
// PRESET_GREEN_ISH
{
0.0f, // brightness
1.0f, // contrast
1.0f, // saturation
0.0f, // red scale
0.1f, // green scale
0.0f, // blue scale
0.0f, // red offset
0.0f, // green offset
0.0f, // blue offset
0.0f // vignette
},
// PRESET_BLUE_ISH
{
0.0f, // brightness
1.0f, // contrast
1.0f, // saturation
0.0f, // red scale
0.0f, // green scale
0.1f, // blue scale
0.0f, // red offset
0.0f, // green offset
0.0f, // blue offset
0.0f // vignette
},
// PRESET_SHINY_CALIFORNIA
{
0.1f, // brightness
1.5f, // contrast
1.3f, // saturation
0.0f, // red scale
0.0f, // green scale
0.0f, // blue scale
0.0f, // red offset
0.0f, // green offset
-0.1f, // blue offset
0.0f // vignette
},
// PRESET_DUSTY_DRY
{
0.0f, // brightness
1.3f, // contrast
1.3f, // saturation
0.2f, // red scale
0.0f, // green scale
0.0f, // blue scale
0.0f, // red offset
0.0f, // green offset
0.0f, // blue offset
0.6f // vignette
},
// PRESET_GRAY_WINTER
{
0.07f, // brightness
1.15f, // contrast
1.3f, // saturation
0.0f, // red scale
0.0f, // green scale
0.0f, // blue scale
0.0f, // red offset
0.05f, // green offset
0.0f, // blue offset
0.6f // vignette
},
// PRESET_FANCY_IMAGINATION
{
0.0f, // brightness
1.6f, // contrast
1.5f, // saturation
0.0f, // red scale
0.0f, // green scale
-0.1f, // blue scale
0.0f, // red offset
0.05f, // green offset
0.0f, // blue offset
0.6f // vignette
},
// PRESET_SIXTIES
{
0.0f, // brightness
1.6f, // contrast
1.5f, // saturation
0.2f, // red scale
0.0f, // green scale
-0.1f, // blue scale
0.0f, // red offset
0.05f, // green offset
0.0f, // blue offset
0.65f // vignette
},
// PRESET_COLD_WINTER
{
0.0f, // brightness
1.55f, // contrast
0.0f, // saturation
0.0f, // red scale
0.05f, // green scale
0.2f, // blue scale
0.0f, // red offset
0.05f, // green offset
0.0f, // blue offset
0.25f // vignette
},
// PRESET_VINTAGE_FILM
{
0.0f, // brightness
1.05f, // contrast
0.0f, // saturation
0.0f, // red scale
0.0f, // green scale
0.07f, // blue scale
0.07f, // red offset
0.03f, // green offset
0.0f, // blue offset
0.0f // vignette
},
// PRESET_COLORLESS
{
-0.03f, // brightness
1.3f, // contrast
0.0f, // saturation
0.0f, // red scale
0.0f, // green scale
0.0f, // blue scale
0.0f, // red offset
0.03f, // green offset
0.0f, // blue offset
0.65f // vignette
},
// PRESET_MONOCHROME
{
-0.13f, // brightness
1.2f, // contrast
0.0f, // saturation
0.0f, // red scale
0.0f, // green scale
0.0f, // blue scale
0.0f, // red offset
0.03f, // green offset
0.0f, // blue offset
0.7f // vignette
}
};
// fragment-shader code
#define FRAGMENT_SHADER "#version 120\n"\
"const vec3 lumCoeff = vec3(0.2125, 0.7154, 0.0721);"\
"uniform float brightness;"\
"uniform float contrast;"\
"uniform float saturation;"\
"uniform float redScale;"\
"uniform float greenScale;"\
"uniform float blueScale;"\
"uniform float redOffset;"\
"uniform float greenOffset;"\
"uniform float blueOffset;"\
"uniform vec2 resolution;"\
"uniform float vignette;"\
"uniform sampler2D scene;"\
"void main()"\
"{"\
"vec3 color = texture2D(scene, gl_TexCoord[0].st).rgb;"\
"color *= contrast;"\
"color += vec3(brightness, brightness, brightness);"\
"vec3 intensity = vec3(dot(color, lumCoeff));"\
"color = mix(intensity, color, saturation);"\
"vec3 newColor = (color.rgb - 0.5) * 2.0;"\
"newColor.r = 2.0 / 3.0 * (1.0 - (newColor.r * newColor.r));"\
"newColor.g = 2.0 / 3.0 * (1.0 - (newColor.g * newColor.g));"\
"newColor.b = 2.0 / 3.0 * (1.0 - (newColor.b * newColor.b));"\
"newColor.r = clamp(color.r + redScale * newColor.r + redOffset, 0.0, 1.0);"\
"newColor.g = clamp(color.g + greenScale * newColor.g + greenOffset, 0.0, 1.0);"\
"newColor.b = clamp(color.b + blueScale * newColor.b + blueOffset, 0.0, 1.0);"\
"color = newColor;"\
"vec2 position = (gl_FragCoord.xy / resolution.xy) - vec2(0.5);"\
"float len = length(position);"\
"float vig = smoothstep(0.75, 0.75 - 0.45, len);"\
"color = mix(color, color * vig, vignette);"\
"gl_FragColor = vec4(color, 1.0);"\
"}"
// global settings variables
static int postProcesssingEnabled = DEFAULT_POST_PROCESSING_ENABLED, fpsLimiterEnabled = DEFAULT_FPS_LIMITER_ENABLED, controlCinemaVeriteEnabled = DEFAULT_CONTROL_CINEMA_VERITE_ENABLED;
static float maxFps = DEFAULT_MAX_FRAME_RATE, disableCinemaVeriteTime = DEFAULT_DISABLE_CINEMA_VERITE_TIME, brightness = BLUfxPresets[PRESET_DEFAULT].brightness, contrast = BLUfxPresets[PRESET_DEFAULT].contrast, saturation = BLUfxPresets[PRESET_DEFAULT].saturation, redScale = BLUfxPresets[PRESET_DEFAULT].redScale, greenScale = BLUfxPresets[PRESET_DEFAULT].greenScale, blueScale = BLUfxPresets[PRESET_DEFAULT].blueScale, redOffset = BLUfxPresets[PRESET_DEFAULT].redOffset, greenOffset = BLUfxPresets[PRESET_DEFAULT].greenOffset, blueOffset = BLUfxPresets[PRESET_DEFAULT].blueOffset, vignette = BLUfxPresets[PRESET_DEFAULT].vignette, raleighScale = DEFAULT_RALEIGH_SCALE;
// global internal variables
static int lastResolutionX = 0, lastResolutionY = 0, bringFakeWindowToFront = 0, overrideControlCinemaVerite = 0;
static GLuint textureId = 0, program = 0, fragmentShader = 0;
static float startTimeFlight = 0.0f, endTimeFlight = 0.0f, startTimeDraw = 0.0f, endTimeDraw = 0.0f, lastMouseUsageTime = 0.0f;
static XPLMWindowID fakeWindow = NULL;
// global dataref variables
static XPLMDataRef cinemaVeriteDataRef = NULL, viewTypeDataRef = NULL, raleighScaleDataRef = NULL, overrideControlCinemaVeriteDataRef = NULL, ignitionKeyDataRef = NULL;
// global widget variables
static XPWidgetID settingsWidget = NULL, postProcessingCheckbox = NULL, fpsLimiterCheckbox = NULL, controlCinemaVeriteCheckbox = NULL, brightnessCaption = NULL, contrastCaption = NULL, saturationCaption = NULL, redScaleCaption = NULL, greenScaleCaption = NULL, blueScaleCaption = NULL, redOffsetCaption = NULL, greenOffsetCaption = NULL, blueOffsetCaption = NULL, vignetteCaption = NULL, raleighScaleCaption = NULL, maxFpsCaption = NULL, disableCinemaVeriteTimeCaption, brightnessSlider = NULL, contrastSlider = NULL, saturationSlider = NULL, redScaleSlider = NULL, greenScaleSlider = NULL, blueScaleSlider = NULL, redOffsetSlider = NULL, greenOffsetSlider = NULL, blueOffsetSlider = NULL, vignetteSlider = NULL, raleighScaleSlider = NULL, maxFpsSlider = NULL, disableCinemaVeriteTimeSlider = NULL, presetButtons[PRESET_MAX] = {NULL}, resetRaleighScaleButton = NULL;
// draw-callback that adds post-processing
static int PostProcessingCallback(XPLMDrawingPhase inPhase, int inIsBefore, void *inRefcon)
{
int x, y;
XPLMGetScreenSize(&x, &y);
if(textureId == 0 || lastResolutionX != x || lastResolutionY != y)
{
XPLMGenerateTextureNumbers((int *) &textureId, 1);
glActiveTexture(GL_TEXTURE0 + 0);
glBindTexture(GL_TEXTURE_2D, textureId);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, x, y, 0, GL_RGBA, GL_UNSIGNED_BYTE, NULL);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
lastResolutionX = x;
lastResolutionY = y;
}
else
{
glActiveTexture(GL_TEXTURE0 + 0);
glBindTexture(GL_TEXTURE_2D, textureId);
}
glCopyTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, 0, 0, x, y);
XPLMSetGraphicsState(0, 1, 0, 0, 0, 0, 0);
glUseProgram(program);
int brightnessLocation = glGetUniformLocation(program, "brightness");
glUniform1f(brightnessLocation, brightness);
int contrastLocation = glGetUniformLocation(program, "contrast");
glUniform1f(contrastLocation, contrast);
int saturationLocation = glGetUniformLocation(program, "saturation");
glUniform1f(saturationLocation, saturation);
int redScaleLocation = glGetUniformLocation(program, "redScale");
glUniform1f(redScaleLocation, redScale);
int greenScaleLocation = glGetUniformLocation(program, "greenScale");
glUniform1f(greenScaleLocation, greenScale);
int blueScaleLocation = glGetUniformLocation(program, "blueScale");
glUniform1f(blueScaleLocation, blueScale);
int redOffsetLocation = glGetUniformLocation(program, "redOffset");
glUniform1f(redOffsetLocation, redOffset);
int greenOffsetLocation = glGetUniformLocation(program, "greenOffset");
glUniform1f(greenOffsetLocation, greenOffset);
int blueOffsetLocation = glGetUniformLocation(program, "blueOffset");
glUniform1f(blueOffsetLocation, blueOffset);
int resolutionLocation = glGetUniformLocation(program, "resolution");
glUniform2f(resolutionLocation, (float) x, (float) y);
int vignetteLocation = glGetUniformLocation(program, "vignette");
glUniform1f(vignetteLocation, vignette);
int sceneLocation = glGetUniformLocation(program, "scene");
glUniform1i(sceneLocation, 0);
glPushAttrib(GL_VIEWPORT_BIT);
glMatrixMode(GL_PROJECTION);
glPushMatrix();
glLoadIdentity();
glOrtho(0.0f, x, 0.0f, y, -1.0f, 1.0f);
glMatrixMode(GL_MODELVIEW);
glPushMatrix();
glLoadIdentity();
glViewport(0, 0, x, y);
glColor3f(1.0f, 1.0f, 1.0f);
glBegin(GL_QUADS);
int settingsWindowOpen = XPIsWidgetVisible(settingsWidget);
glTexCoord2f((!settingsWindowOpen ? 0.0f : 0.5f), 0.0f);
glVertex2f((!settingsWindowOpen ? 0.0f : (GLfloat) (x / 2.0f)), 0.0f);
glTexCoord2f((!settingsWindowOpen ? 0.0f : 0.5f), 1.0f);
glVertex2f((!settingsWindowOpen ? 0.0f : (GLfloat) (x / 2.0f)), (GLfloat) y);
glTexCoord2f(1.0f, 1.0f);
glVertex2f((GLfloat) x, (GLfloat) y);
glTexCoord2f(1.0f, 0.0f);
glVertex2f((GLfloat) x, 0.0f);
glEnd();
glMatrixMode(GL_PROJECTION);
glPopMatrix();
glMatrixMode(GL_MODELVIEW);
glPopMatrix();
glPopAttrib();
glUseProgram(0);
return 1;
}
// flightloop-callback that resizes and brings the fake window back to the front if needed
static float UpdateFakeWindowCallback(float inElapsedSinceLastCall, float inElapsedTimeSinceLastFlightLoop, int inCounter, void *inRefcon)
{
if (fakeWindow != NULL)
{
int x = 0, y = 0;
XPLMGetScreenSize(&x, &y);
XPLMSetWindowGeometry(fakeWindow, 0, y, x, 0);
if (!bringFakeWindowToFront)
{
XPLMBringWindowToFront(fakeWindow);
bringFakeWindowToFront = 1;
}
}
return -1.0f;
}
// lets the thread sleep to achieve the set maximum frame rate
inline static void LimitFps(float dt)
{
float t = 1.0f / maxFps - dt;
if (t > 0.0f)
{
#if IBM
DWORD currentTime = timeGetTime();
DWORD targetTime = currentTime + (DWORD) (t * 1000.0f);
while (currentTime < targetTime)
{
Sleep(0);
currentTime = timeGetTime();
}
#else
usleep((useconds_t)(t * 1000000.0f));
#endif
}
}
// flightloop-callback that limits the number of flightcycles
static float LimiterFlightCallback(float inElapsedSinceLastCall, float inElapsedTimeSinceLastFlightLoop, int inCounter, void *inRefcon)
{
endTimeFlight = XPLMGetElapsedTime();
LimitFps(endTimeFlight - startTimeFlight);
startTimeFlight = XPLMGetElapsedTime();
return -1.0f;
}
// draw-callback that limits the number of drawcycles
static int LimiterDrawCallback(XPLMDrawingPhase inPhase, int inIsBefore, void *inRefcon)
{
endTimeDraw = XPLMGetElapsedTime();
LimitFps(endTimeDraw - startTimeDraw);
startTimeDraw = XPLMGetElapsedTime();
return 1;
}
// flightloop-callback that auto-controls cinema-verite
static float ControlCinemaVeriteCallback(float inElapsedSinceLastCall, float inElapsedTimeSinceLastFlightLoop, int inCounter, void *inRefcon)
{
if (!overrideControlCinemaVerite)
{
if (XPLMGetDatai(viewTypeDataRef) == 1026) // 3D Cockpit
{
float elapsedTime = XPLMGetElapsedTime() - lastMouseUsageTime;
if (elapsedTime <= disableCinemaVeriteTime)
XPLMSetDatai(cinemaVeriteDataRef, 0);
else
XPLMSetDatai(cinemaVeriteDataRef, 1);
}
else
XPLMSetDatai(cinemaVeriteDataRef, 1);
}
return -1.0f;
}
// removes the fragment-shader from video memory, if deleteProgram is set the shader-program is also removed
static void CleanupShader(int deleteProgram = 0)
{
glDetachShader(program, fragmentShader);
glDeleteShader(fragmentShader);
if (deleteProgram)
glDeleteProgram(program);
}
// function to load, compile and link the fragment-shader
static void InitShader(const char *fragmentShaderString)
{
program = glCreateProgram();
fragmentShader = glCreateShader(GL_FRAGMENT_SHADER);
glShaderSource(fragmentShader, 1, &fragmentShaderString, 0);
glCompileShader(fragmentShader);
glAttachShader(program, fragmentShader);
GLint isFragmentShaderCompiled = GL_FALSE;
glGetShaderiv(fragmentShader, GL_COMPILE_STATUS, &isFragmentShaderCompiled);
if (isFragmentShaderCompiled == GL_FALSE)
{
GLsizei maxLength = 2048;
GLchar *log = new GLchar[maxLength];
glGetShaderInfoLog(fragmentShader, maxLength, &maxLength, log);
XPLMDebugString(NAME": The following error occured while compiling the fragment shader:\n");
XPLMDebugString(log);
delete[] log;
CleanupShader(1);
return;
}
glLinkProgram(program);
GLint isProgramLinked = GL_FALSE;
glGetProgramiv(program, GL_LINK_STATUS, &isProgramLinked);
if (isProgramLinked == GL_FALSE)
{
GLsizei maxLength = 2048;
GLchar *log = new GLchar[maxLength];
glGetShaderInfoLog(fragmentShader, maxLength, &maxLength, log);
XPLMDebugString(NAME": The following error occured while linking the shader program:\n");
XPLMDebugString(log);
delete[] log;
CleanupShader(1);
return;
}
CleanupShader(0);
}
// get accessor for override_cinema_verite_control DataRef
int GetOverrideControlCinemaVeriteDataRefCallback(void* inRefcon)
{
return overrideControlCinemaVerite;
}
// set accessor for override_control_cinema_verite DataRef
void SetOverrideControlCinemaVeriteDataRefCallback(void* inRefcon, int inValue)
{
overrideControlCinemaVerite = inValue;
}
// returns a float rounded to two decimal places
static float Round(const float f)
{
return ((int) (f * 100.0f)) / 100.0f;
}
// sets the raleigh scale dataref to the selected raleigh scale value, passing reset = 1 resets the dataref to its default value
static void UpdateRaleighScale(int reset)
{
if (raleighScaleDataRef == NULL)
raleighScaleDataRef = XPLMFindDataRef("sim/private/controls/atmo/atmo_scale_raleigh");
if (raleighScaleDataRef != NULL)
XPLMSetDataf(raleighScaleDataRef, !reset ? raleighScale : DEFAULT_RALEIGH_SCALE);
}
// updates all caption widgets and slider positions associated with settings variables
static void UpdateSettingsWidgets(void)
{
XPSetWidgetProperty(postProcessingCheckbox, xpProperty_ButtonState, postProcesssingEnabled);
XPSetWidgetProperty(fpsLimiterCheckbox, xpProperty_ButtonState, fpsLimiterEnabled);
XPSetWidgetProperty(controlCinemaVeriteCheckbox, xpProperty_ButtonState, controlCinemaVeriteEnabled);
char stringBrightness[32];
sprintf(stringBrightness, "Brightness: %.2f", brightness);
XPSetWidgetDescriptor(brightnessCaption, stringBrightness);
char stringContrast[32];
sprintf(stringContrast, "Contrast: %.2f", contrast);
XPSetWidgetDescriptor(contrastCaption, stringContrast);
char stringSaturation[32];
sprintf(stringSaturation, "Saturation: %.2f", saturation);
XPSetWidgetDescriptor(saturationCaption, stringSaturation);
char stringRedScale[32];
sprintf(stringRedScale, "Red Scale: %.2f", redScale);
XPSetWidgetDescriptor(redScaleCaption, stringRedScale);
char stringGreenScale[32];
sprintf(stringGreenScale, "Green Scale: %.2f", greenScale);
XPSetWidgetDescriptor(greenScaleCaption, stringGreenScale);
char stringBlueScale[32];
sprintf(stringBlueScale, "Blue Scale: %.2f", blueScale);
XPSetWidgetDescriptor(blueScaleCaption, stringBlueScale);
char stringRedOffset[32];
sprintf(stringRedOffset, "Red Offset: %.2f", redOffset);
XPSetWidgetDescriptor(redOffsetCaption, stringRedOffset);
char stringGreenOffset[32];
sprintf(stringGreenOffset, "Green Offset: %.2f", greenOffset);
XPSetWidgetDescriptor(greenOffsetCaption, stringGreenOffset);
char stringBlueOffset[32];
sprintf(stringBlueOffset, "Blue Offset: %.2f", blueOffset);
XPSetWidgetDescriptor(blueOffsetCaption, stringBlueOffset);
char stringVignette[32];
sprintf(stringVignette, "Vignette: %.2f", vignette);
XPSetWidgetDescriptor(vignetteCaption, stringVignette);
char stringRaleighScale[32];
sprintf(stringRaleighScale, "Raleigh Scale: %.2f", raleighScale);
XPSetWidgetDescriptor(raleighScaleCaption, stringRaleighScale);
char stringMaxFps[32];
sprintf(stringMaxFps, "Max FPS: %.0f", maxFps);
XPSetWidgetDescriptor(maxFpsCaption, stringMaxFps);
char stringDisableCinemaVeriteTime[32];
sprintf(stringDisableCinemaVeriteTime, "On input disable for: %.0f sec", disableCinemaVeriteTime);
XPSetWidgetDescriptor(disableCinemaVeriteTimeCaption, stringDisableCinemaVeriteTime);
XPSetWidgetProperty(brightnessSlider, xpProperty_ScrollBarSliderPosition, (intptr_t) (brightness * 1000.0f));
XPSetWidgetProperty(contrastSlider, xpProperty_ScrollBarSliderPosition, (intptr_t) (contrast * 100.0f));
XPSetWidgetProperty(saturationSlider, xpProperty_ScrollBarSliderPosition, (intptr_t) (saturation * 100.0f));
XPSetWidgetProperty(redScaleSlider, xpProperty_ScrollBarSliderPosition, (intptr_t) (redScale * 100.0f));
XPSetWidgetProperty(greenScaleSlider, xpProperty_ScrollBarSliderPosition, (intptr_t) (greenScale * 100.0f));
XPSetWidgetProperty(blueScaleSlider, xpProperty_ScrollBarSliderPosition, (intptr_t) (blueScale * 100.0f));
XPSetWidgetProperty(redOffsetSlider, xpProperty_ScrollBarSliderPosition, (intptr_t) (redOffset * 100.0f));
XPSetWidgetProperty(greenOffsetSlider, xpProperty_ScrollBarSliderPosition, (intptr_t) (greenOffset * 100.0f));
XPSetWidgetProperty(blueOffsetSlider, xpProperty_ScrollBarSliderPosition, (intptr_t) (blueOffset * 100.0f));
XPSetWidgetProperty(vignetteSlider, xpProperty_ScrollBarSliderPosition, (intptr_t) (vignette * 100.0f));
XPSetWidgetProperty(raleighScaleSlider, xpProperty_ScrollBarSliderPosition, (intptr_t) raleighScale);
XPSetWidgetProperty(maxFpsSlider, xpProperty_ScrollBarSliderPosition, (intptr_t) (maxFps));
XPSetWidgetProperty(disableCinemaVeriteTimeSlider, xpProperty_ScrollBarSliderPosition, (intptr_t) (disableCinemaVeriteTime));
}
// saves current settings to the config file
static void SaveSettings(void)
{
std::fstream file;
file.open(CONFIG_PATH, std::ios_base::out | std::ios_base::trunc);
if(file.is_open())
{
file << "postProcesssingEnabled=" << postProcesssingEnabled << std::endl;
file << "fpsLimiterEnabled=" << fpsLimiterEnabled << std::endl;
file << "controlCinemaVeriteEnabled=" << controlCinemaVeriteEnabled << std::endl;
file << "brightness=" << brightness << std::endl;
file << "contrast=" << contrast << std::endl;
file << "saturation=" << saturation << std::endl;
file << "redScale=" << redScale << std::endl;
file << "greenScale=" << greenScale << std::endl;
file << "blueScale=" << blueScale << std::endl;
file << "redOffset=" << redOffset << std::endl;
file << "greenOffset=" << greenOffset << std::endl;
file << "blueOffset=" << blueOffset << std::endl;
file << "vignette=" << vignette << std::endl;
file << "raleighScale=" << raleighScale << std::endl;
file << "maxFps=" << maxFps << std::endl;
file << "disableCinemaVeriteTime=" << disableCinemaVeriteTime << std::endl;
file.close();
}
}
// loads settings from the config file
static void LoadSettings(void)
{
std::ifstream file;
file.open(CONFIG_PATH);
if(file.is_open())
{
std::string line;
while(getline(file, line))
{
std::string val = line.substr(line.find("=") + 1);
std::istringstream iss(val);
if(line.find("postProcesssingEnabled") != std::string::npos)
iss >> postProcesssingEnabled;
else if(line.find("fpsLimiterEnabled") != std::string::npos)
iss >> fpsLimiterEnabled;
else if(line.find("controlCinemaVeriteEnabled") != std::string::npos)
iss >> controlCinemaVeriteEnabled;
else if(line.find("brightness") != std::string::npos)
iss >> brightness;
else if(line.find("contrast") != std::string::npos)
iss >> contrast;
else if(line.find("saturation") != std::string::npos)
iss >> saturation;
else if(line.find("redScale") != std::string::npos)
iss >> redScale;
else if(line.find("greenScale") != std::string::npos)
iss >> greenScale;
else if(line.find("blueScale") != std::string::npos)
iss >> blueScale;
else if(line.find("redOffset") != std::string::npos)
iss >> redOffset;
else if(line.find("greenOffset") != std::string::npos)
iss >> greenOffset;
else if(line.find("blueOffset") != std::string::npos)
iss >> blueOffset;
else if(line.find("vignette") != std::string::npos)
iss >> vignette;
else if(line.find("raleighScale") != std::string::npos)
iss >> raleighScale;
else if(line.find("maxFps") != std::string::npos)
iss >> maxFps;
else if(line.find("disableCinemaVeriteTime") != std::string::npos)
iss >> disableCinemaVeriteTime;
}
file.close();
}
}
// handles the settings widget
static int SettingsWidgetHandler(XPWidgetMessage inMessage, XPWidgetID inWidget, long inParam1, long inParam2)
{
if (inMessage == xpMessage_CloseButtonPushed)
{
if (XPIsWidgetVisible(settingsWidget))
{
SaveSettings();
XPHideWidget(settingsWidget);
}
}
else if (inMessage == xpMsg_ButtonStateChanged)
{
if (inParam1 == (long) postProcessingCheckbox)
{
postProcesssingEnabled = (int) XPGetWidgetProperty(postProcessingCheckbox, xpProperty_ButtonState, 0);
if (!postProcesssingEnabled)
{
XPLMUnregisterDrawCallback(PostProcessingCallback, xplm_Phase_Window, 1, NULL);
UpdateRaleighScale(1);
}
else
{
XPLMRegisterDrawCallback(PostProcessingCallback, xplm_Phase_Window, 1, NULL);
UpdateRaleighScale(0);
}
}
else if (inParam1 == (long) fpsLimiterCheckbox)
{
fpsLimiterEnabled = (int) XPGetWidgetProperty(fpsLimiterCheckbox, xpProperty_ButtonState, 0);
if (!fpsLimiterEnabled)
{
XPLMUnregisterFlightLoopCallback(LimiterFlightCallback, NULL);
XPLMUnregisterDrawCallback(LimiterDrawCallback, xplm_Phase_Terrain, 1, NULL);
}
else
{
XPLMRegisterFlightLoopCallback(LimiterFlightCallback, -1, NULL);
XPLMRegisterDrawCallback(LimiterDrawCallback, xplm_Phase_Terrain, 1, NULL);
}
}
else if (inParam1 == (long) controlCinemaVeriteCheckbox)
{
controlCinemaVeriteEnabled = (int) XPGetWidgetProperty(controlCinemaVeriteCheckbox, xpProperty_ButtonState, 0);
if (!controlCinemaVeriteEnabled)
XPLMUnregisterFlightLoopCallback(ControlCinemaVeriteCallback, NULL);
else
XPLMRegisterFlightLoopCallback(ControlCinemaVeriteCallback, -1, NULL);
}
}
else if (inMessage == xpMsg_ScrollBarSliderPositionChanged)
{
if (inParam1 == (long) brightnessSlider)
brightness = Round(XPGetWidgetProperty(brightnessSlider, xpProperty_ScrollBarSliderPosition, 0) / 1000.0f);
else if (inParam1 == (long) contrastSlider)
contrast = Round(XPGetWidgetProperty(contrastSlider, xpProperty_ScrollBarSliderPosition, 0) / 100.0f);
else if (inParam1 == (long) saturationSlider)
saturation = Round(XPGetWidgetProperty(saturationSlider, xpProperty_ScrollBarSliderPosition, 0) / 100.0f);
else if (inParam1 == (long) redScaleSlider)
redScale = Round(XPGetWidgetProperty(redScaleSlider, xpProperty_ScrollBarSliderPosition, 0) / 100.0f);
else if (inParam1 == (long) greenScaleSlider)
greenScale = Round(XPGetWidgetProperty(greenScaleSlider, xpProperty_ScrollBarSliderPosition, 0) / 100.0f);
else if (inParam1 == (long) blueScaleSlider)
blueScale = Round(XPGetWidgetProperty(blueScaleSlider, xpProperty_ScrollBarSliderPosition, 0) / 100.0f);
else if (inParam1 == (long) redOffsetSlider)
redOffset = Round(XPGetWidgetProperty(redOffsetSlider, xpProperty_ScrollBarSliderPosition, 0) / 100.0f);
else if (inParam1 == (long) greenOffsetSlider)
greenOffset = Round(XPGetWidgetProperty(greenOffsetSlider, xpProperty_ScrollBarSliderPosition, 0) / 100.0f);
else if (inParam1 == (long) blueOffsetSlider)
blueOffset = Round(XPGetWidgetProperty(blueOffsetSlider, xpProperty_ScrollBarSliderPosition, 0) / 100.0f);
else if (inParam1 == (long) vignetteSlider)
vignette = Round(XPGetWidgetProperty(vignetteSlider, xpProperty_ScrollBarSliderPosition, 0) / 100.0f);
else if (inParam1 == (long) raleighScaleSlider)
{
raleighScale = Round((float) XPGetWidgetProperty(raleighScaleSlider, xpProperty_ScrollBarSliderPosition, 0));
UpdateRaleighScale(0);
}
else if (inParam1 == (long) maxFpsSlider)
maxFps = (float) (int) XPGetWidgetProperty(maxFpsSlider, xpProperty_ScrollBarSliderPosition, 0);
else if (inParam1 == (long) disableCinemaVeriteTimeSlider)
disableCinemaVeriteTime = (float) (int) XPGetWidgetProperty(disableCinemaVeriteTimeSlider, xpProperty_ScrollBarSliderPosition, 0);
UpdateSettingsWidgets();
}
else if (inMessage == xpMsg_PushButtonPressed)
{
if (inParam1 == (long) resetRaleighScaleButton)
{
raleighScale = DEFAULT_RALEIGH_SCALE;
UpdateRaleighScale(1);
}
else
{
int i;
for (i=0; i < PRESET_MAX; i++)
{
if ((long) presetButtons[i] == (long) inParam1)
{
brightness = BLUfxPresets[i].brightness;
contrast = BLUfxPresets[i].contrast;
saturation = BLUfxPresets[i].saturation;
redScale = BLUfxPresets[i].redScale;
greenScale = BLUfxPresets[i].greenScale;
blueScale = BLUfxPresets[i].blueScale;
redOffset = BLUfxPresets[i].redOffset;
greenOffset = BLUfxPresets[i].greenOffset;
blueOffset = BLUfxPresets[i].blueOffset;
vignette = BLUfxPresets[i].vignette;
break;
}
}
}
UpdateSettingsWidgets();
}
return 0;
}
// handles the menu-entries
static void MenuHandlerCallback(void *inMenuRef, void *inItemRef)
{
// settings menu entry
if ((long) inItemRef == 0)
{
if (settingsWidget == NULL)
{
// create settings widget
int x = 10, y = 0, w = 350, h = 965;
XPLMGetScreenSize(NULL, &y);
y -= 100;
int x2 = x + w;
int y2 = y - h;
// widget window
settingsWidget = XPCreateWidget(x, y, x2, y2, 1, NAME" Settings", 1, 0, xpWidgetClass_MainWindow);
// add close box
XPSetWidgetProperty(settingsWidget, xpProperty_MainWindowHasCloseBoxes, 1);
// add post-processing sub window
XPCreateWidget(x + 10, y - 30, x2 - 10, y - 575 - 10, 1, "Post-Processing Settings:", 0, settingsWidget, xpWidgetClass_SubWindow);
// add post-processing settings caption
XPCreateWidget(x + 10, y - 30, x2 - 20, y - 45, 1, "Post-Processing Settings:", 0, settingsWidget, xpWidgetClass_Caption);
// add post-processing checkbox
postProcessingCheckbox = XPCreateWidget(x + 20, y - 60, x2 - 20, y - 75, 1, "Enable Post-Processing", 0, settingsWidget, xpWidgetClass_Button);
XPSetWidgetProperty(postProcessingCheckbox, xpProperty_ButtonType, xpRadioButton);
XPSetWidgetProperty(postProcessingCheckbox, xpProperty_ButtonBehavior, xpButtonBehaviorCheckBox);
// add brightness caption
char stringBrightness[32];
sprintf(stringBrightness, "Brightness: %.2f", brightness);
brightnessCaption = XPCreateWidget(x + 30, y - 90, x2 - 50, y - 105, 1, stringBrightness, 0, settingsWidget, xpWidgetClass_Caption);
// add brightness slider
brightnessSlider = XPCreateWidget(x + 195, y - 90, x2 - 15, y - 105, 1, "Brightness", 0, settingsWidget, xpWidgetClass_ScrollBar);
XPSetWidgetProperty(brightnessSlider, xpProperty_ScrollBarMin, -500);
XPSetWidgetProperty(brightnessSlider, xpProperty_ScrollBarMax, 500);
// add contrast caption