// Copyright (C) 2012 Valeriano Alfonso Rodriguez (Kableado)

#include <stdio.h>
#include <stdlib.h>
#include <math.h>

#include "GameLib.h"
extern int gamelib_debug;

#include "GameEnts.h"

DrawImg img_player;
DrawImg img_platform;
DrawImg img_block;

Entity ent_Player;
Entity ent_Platform;
Entity ent_Block;




int EntityApplyGravity(Entity e){
	float grav=10.0f;
	float vTerminal=50.0f;
	vec2 vGrav;

	// Only apply gravity to some entity types
	if(!(
		e->type==Ent_Player ||
		0
		))
	{
		return(1);
	}

	// Apply gravity
	vec2_set(vGrav,0.0f,grav);
	Entity_AddVelLimit(e,vGrav,vTerminal);


	return(1);
}




void player_proc(Entity e,int ft){
	float acel=8.0f;
	float maxVel=30.0f;
	float jumpVel=50.0f;
	float shootVel=50.0f;

	if(Input_GetKey(InputKey_Jump)==InputKey_Pressed ||
		Input_GetKey(InputKey_Up)==InputKey_Pressed)
	{
		vec2 jump;

		// Apply jump
		if(e->vel[1]>(-jumpVel)){
			e->vel[1]=-jumpVel;
		}
		Entity_CalcBBox(e);

		// FIXME: play sound
	}
	if(Input_GetKey(InputKey_Left)){
		vec2 left;

		// Apply left movement
		vec2_set(left,-acel,0.0f);
		Entity_AddVelLimit(e,left,maxVel);

		e->A=0;
	}
	if(Input_GetKey(InputKey_Right)){
		vec2 right;

		// Apply right movement
		vec2_set(right,acel,0.0f)
		Entity_AddVelLimit(e,right,maxVel);

		e->A=1;
	}
	if(Input_GetKey(InputKey_Action1)==InputKey_Pressed ||
		Input_GetKey(InputKey_Action2)==InputKey_Pressed)
	{

	}


	// Scroll View
	//GameLib_MoveToPosH(e->pos,0.6f);
	GameLib_MoveToPos(e->pos,0.6f);
}




void GameEnts_Init(){


	/////////////////////////////
	// Load and initialize media.
	//

	img_player=Draw_LoadImage("data/player.png");
	img_platform=Draw_LoadImage("data/platform.png");
	img_block=Draw_LoadImage("data/block.png");


	/////////////////////////
	// Initialize entity types.
	//

	ent_Player=Entity_New();
	ent_Player->type=Ent_Player;
	//ent_Player->flags=EntityFlag_Light;
	//Entity_SetLight(ent_Player,.2,.2,.2,200);
	ent_Player->flags=EntityFlag_Collision|EntityFlag_Overlap;
	ent_Player->zorder=0;
	AnimPlay_SetImg(&ent_Player->anim,img_player);
	ent_Player->proc=player_proc;
	ent_Player->mass=1.0f;
	ent_Player->radius=12;
	ent_Player->width=24;
	ent_Player->height=24;
	ent_Player->fric_static=0.0f;
	ent_Player->fric_dynamic=0.2f;

	ent_Platform=Entity_New();
	ent_Platform->type=Ent_Platform;
	ent_Platform->flags=EntityFlag_PlatformCollision;
	ent_Platform->zorder=-1;
	AnimPlay_SetImg(&ent_Platform->anim,img_platform);
	ent_Platform->mass=0.0f;
	ent_Platform->radius=12;
	ent_Platform->width=64;
	ent_Platform->height=16;
	ent_Platform->fric_static=0.0f;
	ent_Platform->fric_dynamic=0.2f;

	ent_Block=Entity_New();
	ent_Block->type=Ent_Block;
	ent_Block->flags=EntityFlag_BlockCollision;
	ent_Block->zorder=-1;
	AnimPlay_SetImg(&ent_Block->anim,img_block);
	ent_Block->mass=0.0f;
	ent_Block->radius=32;
	ent_Block->width=64;
	ent_Block->height=64;
	ent_Block->fric_static=0.0f;
	ent_Block->fric_dynamic=0.2f;

}