Mod Specific Visual Culling Size for Lasers (#6729)

* Mod Specific Visual Culling Size for Lasers

Currently, lasers will not render if the length or both head and tail radii are < `0.0001`. This is very small, and in many mods the smallest visual size is `0.01`, so this PR exposes that culling size value to allow mods to optimize and tune visual culling of lasers, which can be quite useful especially in laser heavy missions.

* update names

* actually push all files

Author: wookieejedi

code/mod_table/mod_table.cpp

@@ -133,6 +133,8 @@ float Min_pixel_size_beam;
 float Min_pizel_size_muzzleflash;
 float Min_pixel_size_trail;
 float Min_pixel_size_laser;
+float Do_not_render_lasers_below_length;
+float Do_not_render_lasers_below_radius;
 bool Supernova_hits_at_zero;
 bool Show_subtitle_uses_pixels;
 int Show_subtitle_screen_base_res[2];
@@ -930,6 +932,14 @@ void parse_mod_table(const char *filename)
 				stuff_float(&Min_pixel_size_laser);
 			}
 
+			if (optional_string("$Do Not Render Lasers Below Length:")) {
+				stuff_float(&Do_not_render_lasers_below_length);
+			}
+
+			if (optional_string("$Do Not Render Lasers Below Radius:")) {
+				stuff_float(&Do_not_render_lasers_below_radius);
+			}
+
 			if (optional_string("$Thruster easing value:")) {
 				stuff_float(&Thruster_easing);
 				if (Thruster_easing <= 0.0f) {
@@ -1692,6 +1702,8 @@ void mod_table_reset()
 	Min_pizel_size_muzzleflash = 0.0f;
 	Min_pixel_size_trail = 0.0f;
 	Min_pixel_size_laser = 0.0f;
+	Do_not_render_lasers_below_length = 0.0001f;
+	Do_not_render_lasers_below_radius = 0.0001f;
 	Supernova_hits_at_zero = false;
 	Show_subtitle_uses_pixels = false;
 	Show_subtitle_screen_base_res[0] = -1;

code/mod_table/mod_table.h

@@ -146,6 +146,8 @@ extern float Min_pixel_size_beam;
 extern float Min_pizel_size_muzzleflash;
 extern float Min_pixel_size_trail;
 extern float Min_pixel_size_laser;
+extern float Do_not_render_lasers_below_length;
+extern float Do_not_render_lasers_below_radius;
 extern bool Supernova_hits_at_zero;
 extern bool Show_subtitle_uses_pixels;
 extern int Show_subtitle_screen_base_res[];

code/weapon/weapons.cpp

@@ -9215,17 +9215,19 @@ void weapon_render(object* obj, model_draw_list *scene)
 			head_radius *= head_radius_mult * radius_mult;
 			tail_radius *= tail_radius_mult * radius_mult;
 
-			if (laser_length < 0.0001f)
+			if (laser_length < Do_not_render_lasers_below_length) {
 				return;
+			}
 
-			if (head_radius < 0.0001f && tail_radius < 0.0001f)
+			if (head_radius < Do_not_render_lasers_below_radius && tail_radius < Do_not_render_lasers_below_radius) {
 				return;
+			}
 
-			if (head_radius <= 0.0001f) {
-				head_radius = 0.0001f;
+			if (head_radius <= Do_not_render_lasers_below_radius) {
+				head_radius = Do_not_render_lasers_below_radius;
 			}
-			if (tail_radius <= 0.0001f) {
-				tail_radius = 0.0001f;
+			if (tail_radius <= Do_not_render_lasers_below_radius) {
+				tail_radius = Do_not_render_lasers_below_radius;
 			}