X-Git-Url: http://git.mutantstargoat.com/user/nuclear/?p=vrtris;a=blobdiff_plain;f=src%2Fgame.c;h=eba4a2344456e3b4ba1719ccc56a4da88ee41d54;hp=399a5eacc83881e3b0a8a7b9929efc2dc1c95176;hb=96757b3e8d4c7ad71ebcae67c40c5fed14c471ce;hpb=2077648d589ede39a1e47d331ba4a8b57dc25970

diff --git a/src/game.c b/src/game.c
index 399a5ea..eba4a23 100644
--- a/src/game.c
+++ b/src/game.c
@@ -1,8 +1,25 @@
 #include <assert.h>
+#ifdef BUILD_VR
+#include <goatvr.h>
+#endif
+#include <cgmath/cgmath.h>
 #include "opengl.h"
 #include "game.h"
+#include "screen.h"
+#include "osd.h"
 #include "opt.h"
 
+#define DEFSCR	"game"
+
+static void calc_framerate(void);
+static void print_framerate(void);
+
+#ifdef BUILD_VR
+static int should_swap;
+#endif
+static unsigned long framerate;
+
+
 int game_init(int argc, char **argv)
 {
 	if(init_opengl() == -1) {
@@ -13,50 +30,199 @@ int game_init(int argc, char **argv)
 		return -1;
 	}
 
+	if(init_screens() == -1) {
+		return -1;
+	}
+
+#ifdef BUILD_VR
+	if(opt.flags & OPT_VR) {
+		if(goatvr_init() == -1) {
+			return -1;
+		}
+		goatvr_set_origin_mode(GOATVR_HEAD);
+		goatvr_set_units_scale(10.0f);
+
+		goatvr_startvr();
+		should_swap = goatvr_should_swap();
+	}
+#endif	/* BUILD_VR */
+
+	glEnable(GL_DEPTH_TEST);
+	glEnable(GL_CULL_FACE);
+	glEnable(GL_LIGHTING);
+	glEnable(GL_LIGHT0);
+
 	return 0;
 }
 
 void game_cleanup()
 {
+#ifdef BUILD_VR
+	if(opt.flags & OPT_VR) {
+		goatvr_shutdown();
+	}
+#endif
+	cleanup_screens();
 }
 
-void game_display()
+static void update(float dt)
 {
-	glClear(GL_COLOR_BUFFER_BIT);
+	screen->update(dt);
+}
+
+void game_display(void)
+{
+	static long prev_msec;
+	float dt = (float)(time_msec - prev_msec) / 1000.0f;
+	prev_msec = time_msec;
+
+	update(dt);
+
+#ifdef BUILD_VR
+	if(opt.flags & OPT_VR) {
+		int i;
+		goatvr_draw_start();
+		glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+
+		for(i=0; i<2; i++) {
+			/* for each eye */
+			goatvr_draw_eye(i);
+
+			cgm_mcopy(proj_matrix, goatvr_projection_matrix(i, 0.5, 500.0));
+			glMatrixMode(GL_PROJECTION);
+			glLoadMatrixf(proj_matrix);
+
+			cgm_mcopy(view_matrix, goatvr_view_matrix(i));
+			glMatrixMode(GL_MODELVIEW);
+			glLoadMatrixf(view_matrix);
+
+			screen->draw();
+			print_framerate();
+			draw_osd();
+		}
+
+		goatvr_draw_done();
+
+		if(should_swap) {
+			game_swap_buffers();
+		}
+
+	} else
+#endif	/* BUILD_VR */
+	{
+		/* non-VR mode */
+		glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+
+		cgm_mperspective(proj_matrix, cgm_deg_to_rad(40.0), win_aspect, 0.5, 500.0);
+		glMatrixMode(GL_PROJECTION);
+		glLoadMatrixf(proj_matrix);
+
+		cgm_midentity(view_matrix);
+		glMatrixMode(GL_MODELVIEW);
+		glLoadMatrixf(view_matrix);
+
+		screen->draw();
+		print_framerate();
+		draw_osd();
+
+		game_swap_buffers();
+	}
 
-	game_swap_buffers();
 	assert(glGetError() == GL_NO_ERROR);
+
+	calc_framerate();
 }
 
 void game_reshape(int x, int y)
 {
+	glViewport(0, 0, x, y);
+#ifdef BUILD_VR
+	goatvr_set_fb_size(x, y, 1.0f);
+#endif
+
+	reshape_screens(x, y);
 }
 
 void game_keyboard(int key, int pressed)
 {
+	unsigned int mod = game_get_modifiers();
+
+	if(pressed) {
+		switch(key) {
+		case 27:
+			game_quit();
+			return;
+
+		case '\n':
+		case '\r':
+			if(mod & MOD_ALT) {
+				game_toggle_fullscreen();
+				return;
+			}
+			break;
+
+		case KEY_HOME:
+#ifdef BUILD_VR
+			if(opt.flags & OPT_VR) {
+				goatvr_recenter();
+			}
+#endif
+			break;
+
+		default:
+			break;
+		}
+	}
+
+	screen->keyboard(key, pressed);
 }
 
 void game_mouse_button(int bn, int pressed, int x, int y)
 {
+	screen->mouse(bn, pressed, x, y);
 }
 
 void game_mouse_motion(int x, int y)
 {
-}
-
-void game_mouse_delta(int dx, int dy)
-{
+	screen->motion(x, y);
 }
 
 void game_mouse_wheel(int dir)
 {
+	screen->wheel(dir);
 }
 
 
 void game_gamepad_axis(int axis, float val)
 {
+	joy_axis[axis] = val;
 }
 
 void game_gamepad_button(int bn, int pressed)
 {
+	if(pressed) {
+		joy_bnstate |= (1 << bn);
+	} else {
+		joy_bnstate &= ~(1 << bn);
+	}
+}
+
+static void calc_framerate(void)
+{
+	static unsigned long nframes;
+	static long prev_upd;
+
+	long elapsed = time_msec - prev_upd;
+	if(elapsed >= 1000) {
+		framerate = nframes * 10000 / elapsed;
+		nframes = 1;
+		prev_upd = time_msec;
+	} else {
+		++nframes;
+	}
+}
+
+static void print_framerate(void)
+{
+	print_text(9 * win_width / 10, 20, 1, 1, 0, "fps: %d.%d", framerate / 10, framerate % 10);
 }