Make aspect global

game.c

@@ -119,7 +119,6 @@ static shape_t shapes[MAX_SHAPES];
 static unsigned entity_count;
 static unsigned shape_count;
 
-static float aspect;
 static unsigned level;
 
 static bool dead;
@@ -516,12 +515,11 @@ static void pause()
 	counter = 0;
 }
 
-void game_init(float _aspect)
+void game_init()
 {
 	input_on_shoot(shoot);
 	input_on_restart(reset);
 	input_on_pause(pause);
-	aspect = _aspect;
 
 	reset();
 }
@@ -578,7 +576,7 @@ void game_draw()
 		    shapes[i].connect);
 	}
 
-	text_draw_score(aspect, score);
+	text_draw_score(score);
 
 	if (paused && !(counter & COUNTER_MASK)) {
 		text_draw_centre("PAUSED");

game.h

@@ -1,7 +1,7 @@
 #ifndef GAME_H
 #define GAME_H
 
-void game_init(float aspect);
+void game_init();
 void game_update();
 void game_draw();
 

main.c

@@ -18,16 +18,15 @@ static void quit()
 int main()
 {
 	const int input_fd = input_init();
-	const renderer_params_t renderer_params = renderer_init();
+	const int drm_fd = renderer_init();
 	rng_init();
-	game_init(renderer_params.aspect);
+	game_init();
 
 	input_on_quit(quit);
 
 	renderer_clear();
 	renderer_swap();
 
-	const int drm_fd = renderer_params.drm_fd;
 	const int max_fd = MAX(input_fd, drm_fd);
 	fd_set set;
 

renderer.c

@@ -9,6 +9,8 @@
 #include <unistd.h>
 #include <xf86drm.h>
 
+float aspect;
+
 static int drm_fd;
 static drmModeConnector *conn;
 static drmModeCrtc *crtc;
@@ -74,7 +76,7 @@ static void draw_line(vec3_t v1, vec3_t v2)
 	}
 }
 
-renderer_params_t renderer_init()
+int renderer_init()
 {
 	drm_fd = open("/dev/dri/card1", O_RDWR | O_CLOEXEC);
 	assert(drm_fd != -1);
@@ -104,7 +106,7 @@ renderer_params_t renderer_init()
 
 	wrap = true;
 
-	const float aspect = (float)width / (float)height;
+	aspect = (float)width / (float)height;
 	const float scale = (float)height / 2.0f;
 	view = (mat3_t) {
 		{ scale, 0, 0 },
@@ -112,10 +114,7 @@ renderer_params_t renderer_init()
 		{ aspect * scale, scale, 1 },
 	};
 
-	return (renderer_params_t) {
-		.drm_fd = drm_fd,
-		.aspect = aspect,
-	};
+	return drm_fd;
 }
 
 void renderer_cleanup()

renderer.h

@@ -7,12 +7,9 @@
 
 #define MAX_VERTS 8U
 
-typedef struct {
-	int drm_fd;
-	float aspect;
-} renderer_params_t;
+extern float aspect;
 
-renderer_params_t renderer_init();
+int renderer_init();
 void renderer_cleanup();
 
 void renderer_handle();

text.c

@@ -255,7 +255,7 @@ void text_draw_centre(const char *s)
 	draw_text(s, pos);
 }
 
-void text_draw_score(float aspect, unsigned score)
+void text_draw_score(unsigned score)
 {
 	char buf[MAX_SCORE_CHARS + 1];
 	buf[MAX_SCORE_CHARS] = '\0';

text.h

@@ -2,6 +2,6 @@
 #define TEXT_H
 
 void text_draw_centre(const char *s);
-void text_draw_score(float aspect, unsigned score);
+void text_draw_score(unsigned score);
 
 #endif