#include <acknex.h>
#include <default.c>

#define PRAGMA_POINTER

// default trace/move flags
#define TRACE_FLAGS (IGNORE_ME | IGNORE_PASSABLE | IGNORE_PASSENTS | IGNORE_MAPS | IGNORE_SPRITES | IGNORE_CONTENT)
#define MOVE_FLAGS (IGNORE_ME | IGNORE_PASSABLE | IGNORE_PASSENTS | IGNORE_MAPS | IGNORE_SPRITES | IGNORE_CONTENT)

action grenade(){
	
	c_setminmax(my);
	set(my, SHADOW | POLYGON);
	
	VECTOR velocity;
	vec_set(&velocity, vector(25, 0, 5));
	vec_rotate(&velocity, &camera->pan);
	
	var _soil_height = 0;		// target height from surface bellow
	var _gravity = 5;		// 1 - 10 (default 5)
	var _restitution = 0.5;		// 0.1 - 0.9 (default - 0.25)
	var counter = 0;
	
	while(my){
		
		// still moving ?
		if(vec_length(&velocity) > 1){
			
			VECTOR temp;
			vec_set(&temp, &velocity);
			vec_scale(&temp, time_step);
			c_move(my, nullvector, &temp, MOVE_FLAGS);
			
			velocity.z -= _gravity * time_step;
			
			if(HIT_TARGET){
				
				var speed = vec_length(&velocity);
				vec_set(&velocity, &bounce);
				vec_normalize(&velocity, _restitution * speed);
				
			}
			
		}
		else{
			
			// reset all movement
			vec_fill(&velocity, 0);
			
		}
		
		DEBUG_VAR(velocity.x, 200);
		DEBUG_VAR(velocity.y, 220);
		DEBUG_VAR(velocity.z, 240);
		
		DEBUG_VAR(bounce.x, 300);
		DEBUG_VAR(bounce.y, 320);
		DEBUG_VAR(bounce.z, 340);
		
		counter += time_frame / 16;
		if(counter >= 3){ break; }
		
		wait(1);
		
	}
	
	safe_remove(my);
	
}

void main(){
	
	shadow_stencil = 2;
	
	fps_max = 60;
	warn_level = 6;
	level_load("");
	wait(3);
	
	camera->arc = 90;
	vec_set(&camera->x, vector(-439, 0, 323));
	vec_set(&camera->pan, vector(0, -36, 0));
	
	level_ent = ent_create(CUBE_MDL, nullvector, NULL);
	vec_set(&level_ent->scale_x, vector(256, 256, 0.1));
	c_setminmax(level_ent);
	set(level_ent, POLYGON | SHADOW);
	
	ENTITY *wall = ent_create(CUBE_MDL, vector(0, 256, 64), NULL);
	vec_set(&wall->scale_x, vector(4, 8, 8));
	c_setminmax(wall);
	set(wall, POLYGON | SHADOW);
	
	int i = 0;	
	var counter = 0, throw = 0;
	
	while(!key_esc){
		
		if(mouse_left){
			
			if(throw == 0){
				
				ent_create(CUBE_MDL, &camera->x, grenade);
				
				throw = 1;
				
			}
			
		}
		
		if(throw == 1){
			
			counter += time_frame / 16;
			if(counter > 0.5){ throw = 0; counter -= 0.5; }
			
		}
		
		// slow down framerate for testing
		if(key_e){ fps_max = 20; }
		else{ fps_max = 60; }
		
		DEBUG_VAR(fps_max, 0);
		
		wait(1);
		
	}

}