nuclear@2: #include <stdio.h>
nuclear@2: #include <assert.h>
nuclear@6: #include <vector>
nuclear@2: #include <algorithm>
nuclear@4: #include <vmath/vmath.h>
nuclear@2: #include "opengl.h"
nuclear@2: #include "game.h"
nuclear@2: #include "goatvr.h"
nuclear@3: #include "teapot.h"
nuclear@5: #include "console.h"
nuclear@5: #include "drawtext.h"
nuclear@7: #include "game_var.h"
nuclear@8: #include "scenefile.h"
nuclear@2: 
nuclear@2: static void draw_scene();
nuclear@4: static void material(float r, float g, float b, float roughness);
nuclear@2: static void toggle_hmd_fullscr();
nuclear@2: static void create_rtarg(int x, int y);
nuclear@2: static int next_pow2(int x);
nuclear@6: static void con_handle(const char *cmd);
nuclear@2: 
nuclear@2: static int win_width, win_height;
nuclear@2: static unsigned int fb_tex;
nuclear@2: static unsigned int fbo, fb_depth;
nuclear@2: static int fb_xsz, fb_ysz;
nuclear@2: static int fb_tex_xsz, fb_tex_ysz;
nuclear@2: 
nuclear@5: static unsigned int chess_tex;
nuclear@5: 
nuclear@8: static float cam_theta = -90, cam_phi;
nuclear@9: static Vector3 cam_pos = Vector3(15.4, 0, 0);
nuclear@4: static bool keystate[256];
nuclear@4: 
nuclear@9: static float cam_vvel;
nuclear@9: static const float grav = -9.8;
nuclear@9: 
nuclear@5: static Console con;
nuclear@5: static dtx_font *con_font;
nuclear@5: 
nuclear@8: static SceneFile scn;
nuclear@8: 
nuclear@8: #define GVAR_LOOK_WALK	"look-walk"
nuclear@8: #define GVAR_MAX_STEP	"max-step"
nuclear@7: 
nuclear@2: bool game_init()
nuclear@2: {
nuclear@2: 	init_opengl();
nuclear@2: 
nuclear@8: 	if(!(con_font = dtx_open_font_glyphmap("data/mono14.glyphmap"))) {
nuclear@8: 		fprintf(stderr, "failed to open console font\n");
nuclear@8: 		return false;
nuclear@8: 	}
nuclear@8: 	con.set_font(con_font, 14);
nuclear@8: 	con.set_size(7, 52);
nuclear@8: 	con.set_position(0, 0, Console::CENTER);
nuclear@8: 	con.set_command_func(con_handle);
nuclear@8: 	con.set_echo(false);
nuclear@8: 
nuclear@8: 
nuclear@2: 	if(vr_init() == -1) {
nuclear@2: 		return false;
nuclear@2: 	}
nuclear@2: 
nuclear@2: 	glEnable(GL_DEPTH_TEST);
nuclear@2: 	glEnable(GL_CULL_FACE);
nuclear@3: 	glEnable(GL_LIGHTING);
nuclear@2: 
nuclear@5: 	unsigned char chess_pixels[] = {
nuclear@5: 		0xff, 0x00, 0xff, 0x00, 0x00, 0xff, 0x00, 0xff,
nuclear@5: 		0xff, 0x00, 0xff, 0x00, 0x00, 0xff, 0x00, 0xff
nuclear@5: 	};
nuclear@5: 	glGenTextures(1, &chess_tex);
nuclear@5: 	glBindTexture(GL_TEXTURE_2D, chess_tex);
nuclear@5: 	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
nuclear@5: 	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
nuclear@5: 	glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, 4, 4, 0, GL_LUMINANCE, GL_UNSIGNED_BYTE, chess_pixels);
nuclear@5: 
nuclear@8: 	if(!scn.load("data/sibenik.goatsce")) {
nuclear@8: 		fprintf(stderr, "failed to load scene file\n");
nuclear@5: 		return false;
nuclear@5: 	}
nuclear@7: 
nuclear@7: 	/* initialize all option variables */
nuclear@8: 	set_gvar_bool(GVAR_LOOK_WALK, true);
nuclear@8: 	set_gvar_num(GVAR_MAX_STEP, 0.5);
nuclear@5: 
nuclear@2: 	return true;
nuclear@2: }
nuclear@2: 
nuclear@2: void game_cleanup()
nuclear@2: {
nuclear@2: 	vr_shutdown();
nuclear@2: }
nuclear@2: 
nuclear@2: void game_update(long tm)
nuclear@2: {
nuclear@4: 	static long prev_upd;
nuclear@4: 	float dt = (tm - prev_upd) / 1000.0;
nuclear@4: 	prev_upd = tm;
nuclear@4: 
nuclear@5: 	if(con.is_visible()) {
nuclear@5: 		con.update();
nuclear@5: 		return;
nuclear@5: 	}
nuclear@5: 
nuclear@5: 	float offs = dt * 5.0;
nuclear@4: 	Vector3 dir;
nuclear@4: 
nuclear@4: 	if(keystate['d'] || keystate['D']) {
nuclear@4: 		dir += Vector3(offs, 0, 0);
nuclear@4: 	}
nuclear@4: 	if(keystate['a'] || keystate['A']) {
nuclear@4: 		dir += Vector3(-offs, 0, 0);
nuclear@4: 	}
nuclear@4: 	if(keystate['w'] || keystate['W']) {
nuclear@4: 		dir += Vector3(0, 0, -offs);
nuclear@4: 	}
nuclear@4: 	if(keystate['s'] || keystate['S']) {
nuclear@4: 		dir += Vector3(0, 0, offs);
nuclear@4: 	}
nuclear@4: 
nuclear@8: 	if(get_gvar_bool(GVAR_LOOK_WALK)) {
nuclear@7: 		float rot[4];
nuclear@7: 		vr_view_rotation(0, rot);
nuclear@7: 		Quaternion q(rot[3], rot[0], rot[1], rot[2]);
nuclear@7: 
nuclear@7: 		dir.transform(q);
nuclear@7: 	}
nuclear@7: 
nuclear@5: 	float cos_theta = cos(DEG_TO_RAD(cam_theta));
nuclear@5: 	float sin_theta = sin(DEG_TO_RAD(cam_theta));
nuclear@5: 	cam_pos.x += dir.x * cos_theta - dir.z * sin_theta;
nuclear@5: 	cam_pos.z += dir.x * sin_theta + dir.z * cos_theta;
nuclear@5: 
nuclear@8: 	float max_step = get_gvar_num(GVAR_MAX_STEP);
nuclear@9: 	Vector3 floor_pos = scn.find_walk_pos(cam_pos + Vector3(0, max_step, 0));
nuclear@9: 
nuclear@9: 	if(floor_pos.y < cam_pos.y) {
nuclear@9: 		cam_vvel += grav * dt;
nuclear@9: 		cam_pos.y += cam_vvel * dt;
nuclear@10: 		if(cam_pos.y <= floor_pos.y) {
nuclear@9: 			cam_pos.y = floor_pos.y;
nuclear@10: 			cam_vvel = 0;
nuclear@9: 		}
nuclear@10: 	} else {
nuclear@10: 		cam_pos.y = floor_pos.y;
nuclear@10: 		cam_vvel = 0;
nuclear@9: 	}
nuclear@2: }
nuclear@2: 
nuclear@2: void game_display()
nuclear@2: {
nuclear@2: 	glBindFramebuffer(GL_FRAMEBUFFER, fbo);
nuclear@2: 	glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
nuclear@2: 
nuclear@2: 	for(int i=0; i<2; i++) {
nuclear@2: 		glViewport(i == 0 ? 0 : fb_xsz / 2, 0, fb_xsz / 2, fb_ysz);
nuclear@2: 		vr_begin(i);
nuclear@2: 
nuclear@2: 		float proj[16];
nuclear@2: 		if(vr_proj_matrix(i, 0.5, 500.0, proj)) {
nuclear@2: 			glMatrixMode(GL_PROJECTION);
nuclear@2: 			glLoadMatrixf(proj);
nuclear@2: 		}
nuclear@2: 
nuclear@2: 		glMatrixMode(GL_MODELVIEW);
nuclear@2: 
nuclear@2: 		float view[16];
nuclear@2: 		vr_view_matrix(i, view);
nuclear@2: 		glLoadMatrixf(view);
nuclear@4: 		glRotatef(cam_phi, 1, 0, 0);
nuclear@4: 		glRotatef(cam_theta, 0, 1, 0);
nuclear@2: 		/* move the camera to the eye level of the user */
nuclear@2: 		glTranslatef(0, -vr_getf_def(VR_EYE_HEIGHT, 1.65), 0);
nuclear@4: 		glTranslatef(-cam_pos.x, -cam_pos.y, -cam_pos.z);
nuclear@2: 
nuclear@2: 		draw_scene();
nuclear@5: 		con.draw();
nuclear@2: 
nuclear@2: 		vr_end();
nuclear@2: 	}
nuclear@2: 
nuclear@2: 	glBindFramebuffer(GL_FRAMEBUFFER, 0);
nuclear@2: 	glViewport(0, 0, win_width, win_height);
nuclear@2: 
nuclear@2: 	vr_swap_buffers();
nuclear@2: 	assert(glGetError() == GL_NO_ERROR);
nuclear@2: }
nuclear@2: 
nuclear@2: void game_reshape(int x, int y)
nuclear@2: {
nuclear@2: 	win_width = x;
nuclear@2: 	win_height = y;
nuclear@2: 
nuclear@5: 	create_rtarg(vr_geti_def(VR_RENDER_XRES, x * 2), vr_geti_def(VR_RENDER_YRES, y));
nuclear@2: 	vr_output_texture(fb_tex, 0, 0, (float)fb_xsz / (float)fb_tex_xsz, (float)fb_ysz / (float)fb_tex_ysz);
nuclear@2: 
nuclear@2: 	/* these might be overriden in VR mode (see game_display) */
nuclear@2: 	glViewport(0, 0, x, y);
nuclear@2: 	glMatrixMode(GL_PROJECTION);
nuclear@2: 	glLoadIdentity();
nuclear@2: 	gluPerspective(50.0, (float)x / (float)y, 0.5, 500.0);
nuclear@2: }
nuclear@2: 
nuclear@2: void game_keyboard(int key, bool pressed)
nuclear@2: {
nuclear@2: 	if(pressed) {
nuclear@5: 		if(con.is_visible()) {
nuclear@5: 			if(key == 27 || key == '`') {
nuclear@5: 				con.hide();
nuclear@5: 			} else {
nuclear@5: 				con.input_key(key);
nuclear@5: 			}
nuclear@5: 		} else {
nuclear@5: 			switch(key) {
nuclear@5: 			case 27:
nuclear@5: 				exit_game();
nuclear@5: 				break;
nuclear@2: 
nuclear@5: 			case 'f':
nuclear@5: 				toggle_hmd_fullscr();
nuclear@5: 				break;
nuclear@2: 
nuclear@5: 			case 'r':
nuclear@5: 				vr_recenter();
nuclear@5: 				break;
nuclear@2: 
nuclear@5: 			case '`':
nuclear@5: 				con.show();
nuclear@5: 				break;
nuclear@5: 
nuclear@5: 			default:
nuclear@5: 				break;
nuclear@5: 			}
nuclear@2: 		}
nuclear@2: 	}
nuclear@4: 
nuclear@4: 	if(key < 256) {
nuclear@4: 		keystate[key] = pressed;
nuclear@4: 	}
nuclear@2: }
nuclear@2: 
nuclear@4: 
nuclear@4: static int prev_x, prev_y;
nuclear@4: static bool bnstate[32];
nuclear@4: 
nuclear@2: void game_mouse_button(int bn, bool state, int x, int y)
nuclear@2: {
nuclear@4: 	bnstate[bn] = state;
nuclear@4: 	prev_x = x;
nuclear@4: 	prev_y = y;
nuclear@2: }
nuclear@2: 
nuclear@2: void game_mouse_motion(int x, int y)
nuclear@2: {
nuclear@4: 	int dx = x - prev_x;
nuclear@4: 	int dy = y - prev_y;
nuclear@4: 	prev_x = x;
nuclear@4: 	prev_y = y;
nuclear@2: 
nuclear@4: 	if(!dx && !dy) {
nuclear@4: 		return;
nuclear@4: 	}
nuclear@4: 	if(bnstate[0]) {
nuclear@4: 		cam_theta += dx * 0.5;
nuclear@4: 		cam_phi += dy * 0.5;
nuclear@3: 
nuclear@4: 		if(cam_phi < -90) cam_phi = -90;
nuclear@4: 		if(cam_phi > 90) cam_phi = 90;
nuclear@4: 	}
nuclear@3: }
nuclear@3: 
nuclear@8: MeshFace dbg_walk_face;
nuclear@8: 
nuclear@2: static void draw_scene()
nuclear@2: {
nuclear@3: 	float lpos[][4] = {
nuclear@3: 		{-0.7, 0.7, 1, 0},
nuclear@3: 		{1, 0, 1, 0}
nuclear@3: 	};
nuclear@3: 	float lcol[][4] = {
nuclear@3: 		{0.9, 0.7, 0.6, 1},
nuclear@3: 		{0.3, 0.4, 0.75, 1}
nuclear@3: 	};
nuclear@3: 	for(int i=0; i<2; i++) {
nuclear@3: 		glEnable(GL_LIGHT0 + i);
nuclear@3: 		glLightfv(GL_LIGHT0 + i, GL_POSITION, lpos[i]);
nuclear@3: 		glLightfv(GL_LIGHT0 + i, GL_DIFFUSE, lcol[i]);
nuclear@3: 		glLightfv(GL_LIGHT0 + i, GL_SPECULAR, lcol[i]);
nuclear@3: 	}
nuclear@3: 
nuclear@3: 	glMatrixMode(GL_MODELVIEW);
nuclear@3: 
nuclear@13: 	/*glBindTexture(GL_TEXTURE_2D, chess_tex);
nuclear@5: 	glEnable(GL_TEXTURE_2D);
nuclear@3: 	material(1, 1, 1, 1);
nuclear@3: 	glBegin(GL_QUADS);
nuclear@3: 	glNormal3f(0, 1, 0);
nuclear@5: 	glTexCoord2f(0, 0); glVertex3f(-10, 0, 10);
nuclear@5: 	glTexCoord2f(1, 0); glVertex3f(10, 0, 10);
nuclear@5: 	glTexCoord2f(1, 1); glVertex3f(10, 0, -10);
nuclear@5: 	glTexCoord2f(0, 1); glVertex3f(-10, 0, -10);
nuclear@3: 	glEnd();
nuclear@5: 	glDisable(GL_TEXTURE_2D);
nuclear@3: 
nuclear@13: 	material(1, 1, 1, 0.4);
nuclear@3: 	glPushMatrix();
nuclear@3: 	glTranslatef(0, 1.3, -10);
nuclear@3: 	glFrontFace(GL_CW);
nuclear@3: 	bezier_teapot(2.0);
nuclear@3: 	glFrontFace(GL_CCW);
nuclear@8: 	glPopMatrix();*/
nuclear@8: 
nuclear@13: 	glBindBuffer(GL_ARRAY_BUFFER, 0);
nuclear@13: 	glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0);
nuclear@13: 
nuclear@8: 	for(size_t i=0; i<scn.obj.size(); i++) {
nuclear@8: 		scn.obj[i]->draw();
nuclear@8: 	}
nuclear@8: 
nuclear@10: 	/*glPushAttrib(GL_ENABLE_BIT);
nuclear@8: 	glDisable(GL_DEPTH_TEST);
nuclear@8: 	glDisable(GL_LIGHTING);
nuclear@8: 
nuclear@8: 	glBegin(GL_TRIANGLES);
nuclear@8: 	glColor3f(0, 1, 0);
nuclear@8: 	glVertex3fv(&dbg_walk_face.v[0].x);
nuclear@8: 	glVertex3fv(&dbg_walk_face.v[1].x);
nuclear@8: 	glVertex3fv(&dbg_walk_face.v[2].x);
nuclear@8: 	glColor3f(1, 1, 1);
nuclear@8: 	glEnd();
nuclear@8: 
nuclear@10: 	glPopAttrib();*/
nuclear@2: }
nuclear@2: 
nuclear@4: static void material(float r, float g, float b, float roughness)
nuclear@4: {
nuclear@4: 	float gloss = 1.0 - roughness;
nuclear@4: 	float diffuse[] = {r * roughness, g * roughness, b * roughness, 1.0};
nuclear@4: 	float specular[] = {gloss, gloss, gloss, 1.0};
nuclear@4: 	float shin = gloss * 128.0;
nuclear@4: 
nuclear@4: 	glMaterialfv(GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE, diffuse);
nuclear@4: 	glMaterialfv(GL_FRONT_AND_BACK, GL_SPECULAR, specular);
nuclear@4: 	glMaterialf(GL_FRONT_AND_BACK, GL_SHININESS, shin);
nuclear@4: }
nuclear@4: 
nuclear@4: 
nuclear@2: static void toggle_hmd_fullscr()
nuclear@2: {
nuclear@2: 	static bool fullscr;
nuclear@2: 	static int prev_x, prev_y;
nuclear@2: 	//static int prev_xsz, prev_ysz;
nuclear@2: 
nuclear@2: 	fullscr = !fullscr;
nuclear@2: 	if(fullscr) {
nuclear@2: 		/* entering fullscreen on the HMD */
nuclear@2: 		int xoffs = vr_geti_def(VR_WIN_XOFFS, -1);
nuclear@2: 		int yoffs = vr_geti_def(VR_WIN_YOFFS, -1);
nuclear@2: 		if(xoffs != -1) {
nuclear@2: 			get_window_pos(&prev_x, &prev_y);
nuclear@2: 			move_window(xoffs, yoffs);
nuclear@2: 		}
nuclear@2: 
nuclear@2: 		int xsz = vr_geti_def(VR_DISPLAY_WIDTH, -1);
nuclear@2: 		int ysz = vr_geti_def(VR_DISPLAY_HEIGHT, -1);
nuclear@2: 		if(xsz != -1) {
nuclear@2: 			//prev_xsz = win_width;
nuclear@2: 			//prev_ysz = win_height;
nuclear@2: 			resize_window(xsz, ysz);
nuclear@2: 		}
nuclear@2: 		enter_fullscreen();
nuclear@2: 
nuclear@2: 	} else {
nuclear@2: 		/* leaving fullscreen */
nuclear@2: 		leave_fullscreen();
nuclear@2: 		/*move_window(prev_x, prev_y);
nuclear@2: 		resize_window(prev_xsz, prev_ysz);*/
nuclear@2: 	}
nuclear@2: }
nuclear@2: 
nuclear@2: static void create_rtarg(int x, int y)
nuclear@2: {
nuclear@2: 	if(x == fb_xsz && y == fb_ysz) {
nuclear@2: 		return;	// nothing changed
nuclear@2: 	}
nuclear@2: 
nuclear@2: 	fb_xsz = x;
nuclear@2: 	fb_ysz = y;
nuclear@2: 	fb_tex_xsz = next_pow2(fb_xsz);
nuclear@2: 	fb_tex_ysz = next_pow2(fb_ysz);
nuclear@2: 
nuclear@5: 	printf("creating %dx%d render target (tex size: %dx%d)\n", fb_xsz, fb_ysz, fb_tex_xsz, fb_tex_ysz);
nuclear@5: 
nuclear@2: 	if(!fbo) {
nuclear@2: 		glGenFramebuffers(1, &fbo);
nuclear@2: 
nuclear@2: 		glGenTextures(1, &fb_tex);
nuclear@2: 		glBindTexture(GL_TEXTURE_2D, fb_tex);
nuclear@2: 		glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
nuclear@2: 		glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
nuclear@2: 
nuclear@2: 		glGenRenderbuffers(1, &fb_depth);
nuclear@2: 	}
nuclear@2: 
nuclear@2: 	glBindFramebuffer(GL_FRAMEBUFFER, fbo);
nuclear@2: 
nuclear@2: 	glBindTexture(GL_TEXTURE_2D, fb_tex);
nuclear@2: 	glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, fb_tex_xsz, fb_tex_ysz, 0, GL_RGB, GL_UNSIGNED_BYTE, 0);
nuclear@2: 	glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, fb_tex, 0);
nuclear@2: 
nuclear@2: 	glBindRenderbuffer(GL_RENDERBUFFER, fb_depth);
nuclear@2: 	glRenderbufferStorage(GL_RENDERBUFFER, GL_DEPTH_COMPONENT, fb_tex_xsz, fb_tex_ysz);
nuclear@2: 	glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_RENDERBUFFER, fb_depth);
nuclear@2: 
nuclear@2: 	assert(glCheckFramebufferStatus(GL_FRAMEBUFFER) == GL_FRAMEBUFFER_COMPLETE);
nuclear@2: 	glBindFramebuffer(GL_FRAMEBUFFER, 0);
nuclear@2: }
nuclear@2: 
nuclear@2: static int next_pow2(int x)
nuclear@2: {
nuclear@2: 	x -= 1;
nuclear@2: 	x |= x >> 1;
nuclear@2: 	x |= x >> 2;
nuclear@2: 	x |= x >> 4;
nuclear@2: 	x |= x >> 8;
nuclear@2: 	x |= x >> 16;
nuclear@2: 	return x + 1;
nuclear@2: }
nuclear@6: 
nuclear@6: static const char *strip_spaces(const char *str)
nuclear@6: {
nuclear@6: 	while(*str && isspace(*str)) str++;
nuclear@6: 	return str;
nuclear@6: }
nuclear@6: 
nuclear@7: struct Variable {
nuclear@7: 	const char *var;
nuclear@7: 	enum { BOOL, NUM } type;
nuclear@7: 	bool bool_val;
nuclear@7: 	float num_val;
nuclear@7: };
nuclear@7: 
nuclear@6: static void con_handle(const char *cmd)
nuclear@6: {
nuclear@8: 	/* set debug values */
nuclear@8: 	set_gvar_num("cam-pos-x", cam_pos[0]);
nuclear@8: 	set_gvar_num("cam-pos-y", cam_pos[1]);
nuclear@8: 	set_gvar_num("cam-pos-z", cam_pos[2]);
nuclear@8: 
nuclear@6: 	std::vector<char*> argv;
nuclear@6: 	cmd = strip_spaces(cmd);
nuclear@6: 
nuclear@6: 	if(!*cmd || *cmd == '#') {
nuclear@6: 		return;
nuclear@6: 	}
nuclear@6: 
nuclear@6: 	char *line = (char*)alloca(strlen(cmd) + 1);
nuclear@6: 	strcpy(line, cmd);
nuclear@6: 
nuclear@6: 	char *tok = 0;
nuclear@6: 	while((tok = strtok(tok ? 0 : line, " \t\v\n\r"))) {
nuclear@6: 		argv.push_back(tok);
nuclear@6: 	}
nuclear@6: 
nuclear@6: 	if(strcmp(argv[0], "set") == 0) {
nuclear@6: 		if(argv.size() < 3) {
nuclear@7: 			con.printf("set must be followed by 2 arguments\n");
nuclear@6: 			return;
nuclear@6: 		}
nuclear@7: 		if(have_gvar(argv[1])) {
nuclear@7: 			GameVariable &gv = get_gvar(argv[1]);
nuclear@7: 			con.printf("%s->%s (prev: %s)\n", argv[1], argv[2], gv.to_str().c_str());
nuclear@6: 		} else {
nuclear@7: 			con.printf("%s->%s\n", argv[1], argv[2]);
nuclear@6: 		}
nuclear@11: 
nuclear@11: 		int type = set_gvar_parse(argv[1], argv[2]);
nuclear@11: 		if(type == GameVariable::NUMBER) {
nuclear@11: 			vr_setf(argv[1], atof(argv[2]));
nuclear@11: 		} else if(type == GameVariable::BOOL) {
nuclear@11: 			vr_seti(argv[1], get_gvar_bool(argv[1]) ? 1 : 0);
nuclear@11: 		}
nuclear@11: 
nuclear@11: 		// update state vars
nuclear@11: 		cam_pos[0] = get_gvar_num("cam-pos-x");
nuclear@11: 		cam_pos[1] = get_gvar_num("cam-pos-y");
nuclear@11: 		cam_pos[2] = get_gvar_num("cam-pos-z");
nuclear@7: 
nuclear@7: 	} else if(strcmp(argv[0], "get") == 0) {
nuclear@7: 		if(argv.size() < 2) {
nuclear@7: 			con.printf("get must be followed by the variable name\n");
nuclear@7: 			return;
nuclear@7: 		}
nuclear@7: 		if(have_gvar(argv[1])) {
nuclear@7: 			GameVariable &gv = get_gvar(argv[1]);
nuclear@7: 			con.printf("%s: %s\n", argv[1], gv.to_str().c_str());
nuclear@7: 		}
nuclear@7: 
nuclear@7: 	} else if(strcmp(argv[0], "vars") == 0) {
nuclear@7: 		std::list<std::string> vars = get_gvar_list();
nuclear@7: 		std::list<std::string>::const_iterator it = vars.begin();
nuclear@7: 		while(it != vars.end()) {
nuclear@7: 			con.printf("  %s\n", it++->c_str());
nuclear@7: 		}
nuclear@7: 
nuclear@6: 	} else if(strcmp(argv[0], "exit") == 0 || strcmp(argv[0], "quit") == 0) {
nuclear@6: 		exit_game();
nuclear@7: 
nuclear@7: 	} else if(strcmp(argv[0], "help") == 0) {
nuclear@7: 		con.printf("available commands:\n");
nuclear@7: 		con.printf(" set <var> <val>  set value to a variable\n");
nuclear@7: 		con.printf(" get <var>        print the value of a variable\n");
nuclear@7: 		con.printf(" vars             print a list of all variables\n");
nuclear@7: 		con.printf(" help             print this help screen\n");
nuclear@7: 		con.printf(" exit or quit     quit the program\n");
nuclear@7: 
nuclear@6: 	} else {
nuclear@6: 		con.printf("invalid command: %s\n", argv[0]);
nuclear@6: 	}
nuclear@6: }