app_settings.h

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#ifndef APP_SETTINGS_H
#define APP_SETTINGS_H
 
#include <cglm/types.h>
#include <stdbool.h>
 
enum { DEFAULT_SAMPLES = 1 };
 
static const unsigned int DEFAULT_STENCIL_MASK = 0xFF;
 
#define USE_TRANSPARENT_BILLBOARDS
 
enum {
    MIN_SUBDIV = 0,
    MAX_SUBDIV = 6,
    CUBEMAP_SIZE = 1024,
    INITIAL_SUBDIVISIONS = 3
};
 
/* Starting State */
static const float DEFAULT_CAMERA_DISTANCE =
    20.0F; 
static const float DEFAULT_CAMERA_YAW =
    -90.0F; 
static const float DEFAULT_CAMERA_PITCH =
    0.0F; 
static const float DEFAULT_ENV_LOD =
    0.0F; 
/* Projection Matrix */
static const float NEAR_PLANE =
    0.1F; 
static const float FAR_PLANE = 1000.0F; 
static const float FOV_ANGLE =
    60.0F; 
/* Gameplay Constraints */
static const float MIN_CAMERA_DISTANCE =
    1.5F; 
static const float MAX_CAMERA_DISTANCE = 50.0F; 
static const float ZOOM_STEP = 0.2F; 
/* LOD Controls */
static const float MAX_ENV_LOD =
    10.0F; 
static const float MIN_ENV_LOD = 0.0F; 
static const float LOD_STEP =
    0.5F; 
/* Directional Light (Sun) - Currently static */
static const float LIGHT_DIR_X = 0.5F;
static const float LIGHT_DIR_Y = 1.0F;
static const float LIGHT_DIR_Z = 0.3F;
 
/* IBL Map Resolutions (See progressive_ibl.md) */
static const int PREFILTERED_SPECULAR_MAP_SIZE =
    1024; 
static const int IRIDIANCE_MAP_SIZE =
    64; 
static const int BRDF_LUT_MAP_SIZE =
    512; 
static const bool DEFAULT_SPECULAR_AA_ENABLED =
    true; 
/* Environment Transition Mode */
typedef enum {
    ENV_TRANSITION_CROSSFADE = 0,
    ENV_TRANSITION_BLACK_SCREEN
} EnvTransitionMode;
 
typedef enum {
    TRANSITION_IDLE = 0,
    TRANSITION_LOADING,  
    TRANSITION_WAIT_IBL, 
    TRANSITION_FADE_OUT, 
    TRANSITION_FADE_IN   
} TransitionState;
 
static const float DEFAULT_ENV_TRANSITION_DURATION = 0.25F;
static const int DEFAULT_ENV_TRANSITION_MODE = ENV_TRANSITION_CROSSFADE;
static const float DEFAULT_CLAMP_MULTIPLIER =
    3.0F; 
static const float DEFAULT_METALLIC = 1.0F;  
static const float DEFAULT_ROUGHNESS = 0.0F; 
static const float DEFAULT_AO =
    1.0F; 
static const float DEFAULT_EXPOSURE_STEP =
    0.1F; 
static const float DEFAULT_MIN_EXPOSURE =
    0.1F; 
static const float DEFAULT_AUTO_THRESHOLD =
    5.0F; 
static const int LUM_HISTOGRAM_MAP_SIZE =
    64; 
static const int LUM_HISTOGRAM_SIZE =
    64 * 64; 
static const float DEFAULT_FONT_SIZE = 32.0F;
static const float DEFAULT_FPS_SMOOTHING = 0.95F;
static const float DEFAULT_FPS_WINDOW = 5.0F;
static const int DEFAULT_FPS_SAMPLER_SIZE = 200;
static const float DEFAULT_FPS_TARGET = 60.0F;
 
static const float DEFAULT_FONT_SHADOW_OFFSET_X = 2.0F;
static const float DEFAULT_FONT_SHADOW_OFFSET_Y = 2.0F;
static const float DEFAULT_FONT_OFFSET_X = 0.0F;
static const float DEFAULT_FONT_OFFSET_Y = 0.0F;
static const vec3 DEFAULT_FONT_COLOR = {1.0F, 1.0F, 1.0F};
static const vec3 DEFAULT_FONT_SHADOW_COLOR = {0.0F, 0.0F, 0.0F};
static const int MAX_FPS_TEXT_LENGTH = 64;
 
/* Instancing Grid Layout (Scene generation) */
static const int DEFAULT_COLS = 10;
static const float DEFAULT_SPACING = 2.5F;
static const float HALF_OFFSET_MULTIPLIER = 0.5F;
#endif /* APP_SETTINGS_H */