From 9b2f3c1707e5332d0361cb9c1aca63c7c6058914 Mon Sep 17 00:00:00 2001
From: Seth Long <sslong@lcsc.edu>
Date: Mon, 4 Nov 2024 14:12:34 -0800
Subject: [PATCH] HUD visible switch, some instrumentation

---
 game.h                   |  1 +
 hud_fragment_shader.glsl |  3 ++-
 main.cpp                 | 18 ++++++++++++++++--
 3 files changed, 19 insertions(+), 3 deletions(-)

diff --git a/game.h b/game.h
index bf4158c..e847636 100644
--- a/game.h
+++ b/game.h
@@ -38,6 +38,7 @@ class gameobject {
 	public:
 		std::mutex data_mutex;
 		unsigned int mvp_uniform, v_attrib, t_attrib, program, vbuf, cbuf, ebuf, tex, models_buffer;
+		bool visible = true;
 		bool collision_check = false; // Consider separating out player from projectile collision here
 		std::vector<glm::vec3> locations;
 		glm::vec3 size; // What about non-square objects?
diff --git a/hud_fragment_shader.glsl b/hud_fragment_shader.glsl
index 29ab238..e2c93a7 100644
--- a/hud_fragment_shader.glsl
+++ b/hud_fragment_shader.glsl
@@ -6,5 +6,6 @@ uniform sampler2D tex;
 
 void main(void) {
 	outcolor = texture(tex, vec2(frag_texcoord.x, -frag_texcoord.y));
-//	outcolor = vec4(frag_texcoord.xy, 0, 1);
+	if(outcolor.r < 0.1)
+		discard;
 }
diff --git a/main.cpp b/main.cpp
index dbf9d15..81e8ad8 100644
--- a/main.cpp
+++ b/main.cpp
@@ -22,6 +22,7 @@ float width = 2550;
 /* Global section */
 int time_resolution = 10;
 int framecount = 0;
+int loopcount = 0;
 
 std::vector<gameobject*> objects;
 projectile ice_balls;
@@ -87,6 +88,8 @@ void mouse_click_callback(GLFWwindow* window, int button, int action, int mods){
 }
 
 void key_callback(GLFWwindow* window, int key, int scancode, int action, int mods){
+	if(GLFW_KEY_F3 == key && 1 == action)
+		main_hud.visible = !main_hud.visible;
 	if(GLFW_KEY_W == key && 1 == action){
 		player_key_status.forward = 1;
 	}	
@@ -204,7 +207,7 @@ void object_movement(){
 		int cpu_time = std::chrono::duration_cast<std::chrono::microseconds>(end_time - start_time).count();
 		last_call = start_time;
 		int sleep_time = 1000 - cpu_time;
-		//		printf("Loop time:  %d		Sleep time:  %d	CPU time:  %d\n", loop_time, sleep_time, cpu_time);
+		loopcount++;
 		if(sleep_time > 100 )
 			std::this_thread::sleep_for(std::chrono::microseconds(sleep_time));
 	}
@@ -402,6 +405,16 @@ int main(int argc, char** argv) {
 	std::thread object_movement_thread(object_movement);
 	std::thread animation_thread(animation);
 	std::thread collision_detection_thread(collision_detection);
+	std::thread display_fps([](){
+		while(!shutdown_engine){
+			double loop_time = 1000.0 / loopcount;
+			main_hud.lprintf(1, "FPS: %4d  Move: %lf", framecount, loop_time);
+			framecount = 0;
+			loopcount = 0;
+			std::this_thread::sleep_for(std::chrono::seconds(1));
+		}
+	});
+
 
 	glEnable(GL_DEPTH_TEST);
 	while (!glfwWindowShouldClose(window)) {
@@ -425,7 +438,8 @@ int main(int argc, char** argv) {
 		glm::mat4 vp = projection * view;
 
 		for(gameobject* o : objects)
-			o->draw(vp);
+			if(o->visible)
+				o->draw(vp);
 		//		grand_mutex.unlock();
 
 		glfwSwapBuffers(window);
-- 
2.39.5