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Goober5000andClaude Fable 5.1
d2f2374f5c
get_I_inv converts an object's inverse moment of inertia tensor from body to world coordinates for collision physics. It was written as though vm_matrix_x_matrix(dest, a, b) computes a * b, but that function computes b * a, so the result was (R)(I_inv_body)(Rt) rather than the (Rt)(I_inv_body)(R) stated in the comment. The collision response therefore used the tensor of an object facing the inverse of its actual orientation. This dates back to retail. The result is only correct for an isotropic tensor or an unrotated object. Every retail ship has an anisotropic tensor, with a median principal-axis ratio of about 2.5 and as high as 13 for capital ships, so the spin imparted by a collision was typically about the wrong axis. Since this changes collision behavior for every mod, the fix is controlled by the new game_settings.tbl option "$Fix collision moment of inertia:", which defaults to true for mods targeting 26.2 or later. The retail path is otherwise unchanged. PR #2575 fixed a related bug in physics_ship_init: retail scaled the inverse moment of inertia by $Density rather than by its inverse, so a denser ship was easier to rotate rather than harder. That fix was merged without a flag. For consistency it is now controlled by "$Fix density moment of inertia:", which defaults to true for mods targeting 21.0 or later. Co-Authored-By: Claude Fable 5.1 <[email protected]> Co-Authored-By: Claude Opus 5.5 <[email protected]>
242 lines
9.4 KiB
C++
242 lines
9.4 KiB
C++
#pragma once
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/*
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* Created by Hassan "Karajorma" Kazmi for the FreeSpace2 Source Code Project.
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* You may not sell or otherwise commercially exploit the source or things you
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* create based on the source.
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*
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* This file is in charge of the "game_settings.tbl", colloquially referred to
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* as the "mod table", and contains many misc FSO specific settings.
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*/
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#include "globalincs/globals.h"
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#include "globalincs/pstypes.h"
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#include "globalincs/systemvars.h"
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#include "graphics/2d.h"
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#include "hud/hudtarget.h"
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// Typedef for Overhead View styles
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typedef enum {
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OH_TOP_VIEW,
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OH_ROTATING
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} overhead_style;
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// Typedef for Escape key behavior --wookieejedi
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typedef enum {
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DEFAULT,
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SAVE
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} EscapeKeyBehaviorInOptions;
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// Typedef for 'Target Hostile Bomb or Bomber' control behavior --wookieejedi
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typedef enum {
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BOMBS_AND_BOMBERS,
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ONLY_BOMBS,
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ONLY_BOMBERS
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} TargetBomborBomberBehaviorOptions;
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// And one for splash screens
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struct splash_screen {
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SCP_string filename;
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float aspect_ratio_exact = 0.0f;
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float aspect_ratio_min = 0.0f;
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float aspect_ratio_max = 0.0f;
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// for filtering
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bool is_default = false;
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bool match_exact = false;
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bool match_range = false;
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};
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extern int Directive_wait_time;
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extern bool True_loop_argument_sexps;
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extern bool Skybox_internal_depth_consistency;
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extern bool Fixed_turret_collisions;
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extern bool Fixed_missile_detonation;
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extern bool Damage_impacted_subsystem_first;
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extern bool Cutscene_camera_displays_hud;
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extern bool Alternate_chaining_behavior;
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extern bool Fixed_chaining_to_repeat;
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extern bool Use_host_orientation_for_set_camera_facing;
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extern bool Use_model_eyepoint_for_set_camera_host;
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extern bool Use_model_eyepoint_normals;
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extern bool Always_show_directive_value_count;
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extern bool Use_3d_ship_select;
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extern int Default_ship_select_effect;
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extern bool Use_3d_ship_icons;
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extern bool Use_3d_weapon_select;
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extern int Default_weapon_select_effect;
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extern bool Use_3d_weapon_icons;
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extern bool Use_3d_overhead_ship;
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extern color Default_fs2_effect_grid_color;
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extern color Default_fs2_effect_scanline_color;
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extern color Default_fs2_effect_wireframe_color;
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extern int Default_fs2_effect_grid_density;
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extern overhead_style Default_overhead_ship_style;
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extern int Default_fiction_viewer_ui;
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extern bool Enable_external_shaders;
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extern bool Enable_external_default_scripts;
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extern DefaultDetailPreset Default_detail_preset;
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extern bool Full_color_head_anis;
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extern bool Dont_automatically_select_turret_when_targeting_ship;
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extern bool Automatically_select_subsystem_under_reticle_when_targeting_same_ship;
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extern bool Always_reset_selected_wep_on_loadout_open;
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extern bool Weapons_inherit_parent_collision_group;
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extern bool Flight_controls_follow_eyepoint_orientation;
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extern int FS2NetD_port;
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extern int Default_multi_object_update_level;
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extern float Briefing_window_FOV;
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extern int Briefing_window_resolution[2];
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extern bool Disable_hc_message_ani;
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extern SCP_vector<SCP_string> Custom_head_anis;
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extern SCP_vector<SCP_string> Ignored_music_player_files;
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extern bool Red_alert_applies_to_delayed_ships;
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extern bool Beams_use_damage_factors;
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extern float Generic_pain_flash_factor;
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extern float Shield_pain_flash_factor;
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extern float Emp_pain_flash_factor;
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extern std::tuple<float, float, float> Emp_pain_flash_color;
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extern SCP_string Window_title;
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extern SCP_string Mod_title;
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extern SCP_string Mod_version;
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extern bool Unicode_text_mode;
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extern SCP_vector<splash_screen> Splash_screens;
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extern int Splash_fade_in_time;
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extern int Splash_fade_out_time;
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extern bool Splash_logo_center;
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extern bool Use_tabled_strings_for_default_language;
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extern bool No_built_in_languages;
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extern bool Dont_preempt_training_voice;
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extern SCP_string Movie_subtitle_font;
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extern std::array<int, 4> Movie_subtitle_rgba;
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extern bool Enable_scripts_in_fred;
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extern SCP_string Window_icon_path;
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extern bool Disable_built_in_translations;
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extern bool Weapon_shockwaves_respect_huge;
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extern bool Using_in_game_options;
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extern float Dinky_shockwave_default_multiplier;
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extern bool Shockwaves_always_damage_bombs;
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extern bool Shockwaves_damage_all_obj_types_once;
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extern bool Shockwaves_inherit_parent_damage_type;
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extern SCP_string Inherited_shockwave_damage_type_suffix;
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extern SCP_string Inherited_dinky_shockwave_damage_type_suffix;
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extern SCP_string Default_shockwave_damage_type;
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extern SCP_string Default_dinky_shockwave_damage_type;
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extern color Arc_color_damage_p1;
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extern color Arc_color_damage_p2;
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extern color Arc_color_damage_s1;
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extern float Arc_width_default_damage;
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extern float Arc_width_radius_multiplier_damage;
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extern float Arc_width_no_multiply_over_radius_damage;
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extern float Arc_width_minimum_damage;
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extern color Arc_color_emp_p1;
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extern color Arc_color_emp_p2;
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extern color Arc_color_emp_s1;
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extern float Arc_width_default_emp;
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extern float Arc_width_radius_multiplier_emp;
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extern float Arc_width_no_multiply_over_radius_emp;
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extern float Arc_width_minimum_emp;
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extern bool Use_engine_wash_intensity;
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extern bool Apply_shudder_to_chase_view;
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extern bool Swarmers_lead_targets;
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extern SCP_vector<gr_capability> Required_render_ext;
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extern float Weapon_SS_Threshold_Turret_Inaccuracy;
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extern bool Framerate_independent_turning;
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extern bool Ai_respect_tabled_turntime_rotdamp;
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extern bool Default_start_chase_view;
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extern bool Render_player_mflash;
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extern bool Neb_affects_beams;
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extern bool Neb_affects_weapons;
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extern bool Neb_affects_particles;
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extern bool Neb_affects_fireballs;
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extern SCP_vector<float> Shadow_distances;
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extern SCP_vector<float> Shadow_smoothness_factor;
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extern int Num_shadow_cascades;
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extern int Num_cockpit_shadow_cascades;
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extern bool Show_ship_casts_shadow;
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extern bool Cockpit_shares_coordinate_space;
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extern bool Show_ship_only_if_cockpits_enabled;
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extern bool Custom_briefing_icons_always_override_standard_icons;
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extern float Min_pixel_size_thruster;
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extern float Min_pixel_size_beam;
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extern float Min_pizel_size_muzzleflash;
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extern float Min_pixel_size_trail;
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extern float Min_pixel_size_laser;
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extern float Do_not_render_lasers_below_length;
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extern float Do_not_render_lasers_below_radius;
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extern bool Supernova_hits_at_zero;
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extern bool Show_subtitle_uses_pixels;
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extern int Show_subtitle_screen_base_res[];
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extern int Show_subtitle_screen_adjusted_res[];
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extern int HUD_set_coords_screen_base_res[];
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extern bool Always_warn_player_about_unbound_keys;
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extern leadIndicatorBehavior Lead_indicator_behavior;
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extern struct shadow_disable_overrides {
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bool disable_techroom, disable_mission_select_weapons, disable_mission_select_ships, disable_cockpit;
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} Shadow_disable_overrides;
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extern float Thruster_easing;
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extern float Primary_thruster_glow_depth_factor;
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extern float Tertiary_thruster_glow_depth_factor;
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extern bool Always_use_distant_firepoints;
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extern bool Discord_presence;
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extern bool Hotkey_always_hide_hidden_ships;
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extern bool Use_weapon_class_sounds_for_hits_to_player;
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extern bool SCPUI_loads_hi_res_animations;
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extern bool Auto_assign_personas;
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extern bool Countermeasures_use_capacity;
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extern bool Play_thruster_sounds_for_player;
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extern bool Unify_minimum_engine_sound;
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extern bool Disabled_or_disrupted_engines_silent;
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extern std::array<std::tuple<float, float>, 6> Fred_spacemouse_nonlinearity;
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extern bool Randomize_particle_rotation;
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extern bool Disable_shield_effects;
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extern bool Disable_all_noncustom_generic_debris;
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extern bool Calculate_subsystem_hitpoints_after_parsing;
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extern bool Disable_internal_loadout_restoration_system;
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extern bool Contrails_use_absolute_speed;
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extern bool Use_new_scanning_behavior;
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extern bool Lua_API_returns_nil_instead_of_invalid_object;
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extern bool Dont_show_callsigns_in_escort_list;
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extern bool Hide_main_rearm_items_in_comms_gauge;
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extern bool Always_show_selected_item_in_comms_gauge;
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extern bool Fix_scripted_velocity;
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extern color Overhead_line_colors[MAX_SHIP_SECONDARY_BANKS];
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extern bool Preload_briefing_icon_models;
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extern EscapeKeyBehaviorInOptions Escape_key_behavior_in_options;
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extern bool Target_bomb_or_bomber_use_distance;
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extern TargetBomborBomberBehaviorOptions Target_bomb_or_bomber_behavior;
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extern bool Fix_asteroid_bounding_box_check;
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extern bool Disable_intro_movie;
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extern bool Show_locked_status_scramble_missions;
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extern bool Disable_expensive_turret_target_check;
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extern float Shield_percent_skips_damage;
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extern float Min_radius_for_persistent_debris;
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extern bool Zero_radius_explosions_skip_fireballs;
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extern bool Render_insignias_as_decals;
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extern bool Link_special_point_subsystems_to_destroyed_submodels;
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extern bool Fix_density_moment_of_inertia;
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extern bool Fix_collision_moment_of_inertia;
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void mod_table_init();
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void mod_table_post_process();
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/**
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* @brief Resets the mod values back to their default values
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*
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* This is mostly useful for the unit tests where mod value changes can interfere with other tests
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*/
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void mod_table_reset();
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/**
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* @brief Checks if the mod specified support for the given engine version
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*
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* This is the function for implementing backwards-incompatible changes while not actually breaking backwards
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* compatibility. If you want to introduce a change that may impact compatibility with an earlier version (e.g. retail)
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* then you can use this function to check if the current mod targets a recent enough version.
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*
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* @param major The major version to check support for
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* @param minor The minor version to check support for
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* @param build The build version to check support for
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* @return @c true if the mod specified support for this or a later version, @c false otherwise
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*/
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bool mod_supports_version(int major, int minor, int build);
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bool mod_supports_version(const gameversion::version& version); |