nuclear@0: #include <stdio.h>
nuclear@0: #include <math.h>
nuclear@0: #include "opengl.h"
nuclear@0: #include "player.h"
nuclear@0: #include "level.h"
nuclear@0: 
nuclear@0: void player_init(struct player *p, struct level *lvl)
nuclear@0: {
nuclear@0: 	p->lvl = lvl;
nuclear@0: 	level_cell_to_pos(lvl, lvl->start_pos[0], lvl->start_pos[1], &p->x, &p->y);
nuclear@0: 	p->horiz_angle = 0;
nuclear@0: 	p->vert_angle = 0;
nuclear@0: }
nuclear@0: 
nuclear@0: int player_move(struct player *p, float dfwd, float dright)
nuclear@0: {
nuclear@0: 	int collide;
nuclear@0: 	float angle = M_PI * p->horiz_angle / 180.0;
nuclear@0: 	float fwd_dirx = sin(angle);
nuclear@0: 	float fwd_diry = -cos(angle);
nuclear@0: 	float right_dirx = sin(angle + M_PI / 2.0);
nuclear@0: 	float right_diry = -cos(angle + M_PI / 2.0);
nuclear@0: 
nuclear@0: 	float dx = dfwd * fwd_dirx + dright * right_dirx;
nuclear@0: 	float dy = dfwd * fwd_diry + dright * right_diry;
nuclear@0: 
nuclear@0: 	if(!dfwd && !dright) return 1;
nuclear@0: 
nuclear@0: 	/* calculate collisions */
nuclear@0: 	collide = level_collide(p->lvl, 0.7, p->x, p->y, &dx, &dy);
nuclear@0: 
nuclear@0: 	p->x += dx;
nuclear@0: 	p->y += dy;
nuclear@0: 
nuclear@0: 	return !collide;
nuclear@0: }
nuclear@0: 
nuclear@0: void player_turn(struct player *p, float horiz_deg, float vert_deg)
nuclear@0: {
nuclear@0: 	float va = p->vert_angle + vert_deg;
nuclear@0: 
nuclear@0: 	if(va < -90.0) va = -90.0;
nuclear@0: 	if(va > 90.0) va = 90.0;
nuclear@0: 
nuclear@0: 	p->horiz_angle += horiz_deg;/*fmod(p->horiz_angle + horiz_deg, 360.0);*/
nuclear@0: 	p->vert_angle = va;
nuclear@0: }
nuclear@0: 
nuclear@0: void player_setup_view_matrix(struct player *p)
nuclear@0: {
nuclear@0: 	glRotatef(p->vert_angle, 1, 0, 0);
nuclear@0: 	glRotatef(p->horiz_angle, 0, 1, 0);
nuclear@0: 	glTranslatef(-p->x, 0, -p->y);
nuclear@0: }