nuclear@0: #include <stdlib.h>
nuclear@0: #include "opengl.h"
nuclear@0: #include "game.h"
nuclear@1: #include "vein.h"
nuclear@1: #include "ship.h"
nuclear@1: #include "camera.h"
nuclear@0: 
nuclear@1: static Vein *vein;
nuclear@1: static Ship ship;
nuclear@1: 
nuclear@1: static int keystate[256];
nuclear@1: 
nuclear@1: static OrbitCamera dbgcam;
nuclear@1: 
nuclear@1: static unsigned long msec, start_time = -1;
nuclear@0: 
nuclear@0: bool game_init()
nuclear@0: {
nuclear@0: 	glEnable(GL_DEPTH_TEST);
nuclear@0: 	glEnable(GL_CULL_FACE);
nuclear@0: 	glEnable(GL_LIGHTING);
nuclear@0: 	glEnable(GL_LIGHT0);
nuclear@0: 
nuclear@0: 	float lpos[] = {-1, 1, 1, 0};
nuclear@0: 	glLightfv(GL_LIGHT0, GL_POSITION, lpos);
nuclear@0: 
nuclear@1: 	// initialize the only level (vein)
nuclear@1: 	vein = new Vein;
nuclear@1: 
nuclear@0: 	return true;
nuclear@0: }
nuclear@0: 
nuclear@0: void game_shutdown()
nuclear@0: {
nuclear@0: 	exit(0);
nuclear@0: }
nuclear@0: 
nuclear@1: void game_update(unsigned long ms)
nuclear@0: {
nuclear@1: 	static unsigned long last_upd;
nuclear@1: 
nuclear@0: 	if(start_time == 0) {
nuclear@1: 		start_time = ms;
nuclear@0: 	}
nuclear@1: 	msec = ms - start_time;
nuclear@1: 
nuclear@1: 	time_sec_t dt = (msec - last_upd) / 1000.0;
nuclear@1: 
nuclear@1: 	// handle key input
nuclear@1: 	if(keystate['w'] || keystate['W']) {
nuclear@1: 		ship.accelerate(1.0 * dt);
nuclear@1: 	}
nuclear@1: 	if(keystate['s'] || keystate['S']) {
nuclear@1: 		ship.accelerate(-1.0 * dt);
nuclear@1: 	}
nuclear@1: 	// XXX change to mouselook
nuclear@1: 	if(keystate['d'] || keystate['D']) {
nuclear@1: 		ship.turn(-1.0 * dt, 0.0);
nuclear@1: 	}
nuclear@1: 	if(keystate['a'] || keystate['A']) {
nuclear@1: 		ship.turn(1.0 * dt, 0.0);
nuclear@1: 	}
nuclear@1: 	if(keystate['e'] || keystate['E']) {
nuclear@1: 		ship.turn(0.0, -1.0 * dt);
nuclear@1: 	}
nuclear@1: 	if(keystate['c'] || keystate['C']) {
nuclear@1: 		ship.turn(0.0, 1.0 * dt);
nuclear@1: 	}
nuclear@1: 
nuclear@1: 	ship.update(dt);
nuclear@1: 
nuclear@1: 	last_upd = msec;
nuclear@0: }
nuclear@0: 
nuclear@0: void game_draw()
nuclear@0: {
nuclear@0: 	glMatrixMode(GL_MODELVIEW);
nuclear@1: 	dbgcam.use();
nuclear@0: 
nuclear@1: 	vein->draw(ship.get_position());
nuclear@1: 
nuclear@1: 	ship.dbg_draw();
nuclear@0: }
nuclear@0: 
nuclear@0: void game_input_keyb(int key, int state)
nuclear@0: {
nuclear@0: 	if(state) {
nuclear@0: 		switch(key) {
nuclear@0: 		case 27:
nuclear@0: 			game_shutdown();
nuclear@1: 			break;
nuclear@0: 
nuclear@0: 		default:
nuclear@0: 			break;
nuclear@0: 		}
nuclear@0: 	}
nuclear@1: 
nuclear@1: 	if(key < 256) {
nuclear@1: 		keystate[key] = state;
nuclear@1: 	}
nuclear@0: }
nuclear@1: 
nuclear@1: static int bnstate[16];
nuclear@1: static int prev_x, prev_y;
nuclear@1: 
nuclear@1: void game_input_mbutton(int bn, int state, int x, int y)
nuclear@1: {
nuclear@1: 	if(bn < 16) {
nuclear@1: 		bnstate[bn] = state;
nuclear@1: 	}
nuclear@1: 	prev_x = x;
nuclear@1: 	prev_y = y;
nuclear@1: }
nuclear@1: 
nuclear@1: void game_input_mmotion(int x, int y)
nuclear@1: {
nuclear@1: 	int dx = x - prev_x;
nuclear@1: 	int dy = y - prev_y;
nuclear@1: 	prev_x = x;
nuclear@1: 	prev_y = y;
nuclear@1: 
nuclear@1: 	if(bnstate[0]) {
nuclear@1: 		dbgcam.input_rotate(10.0 * dx / win_xsz, 10.0 * dy / win_ysz, 0);
nuclear@1: 	}
nuclear@1: 	if(bnstate[2]) {
nuclear@1: 		dbgcam.input_zoom(10.0 * dy / win_ysz);
nuclear@1: 	}
nuclear@1: }