/*
 * missiles, one for each tank
 */
#include <libps.h>

#include "tmd_defs.h"
#include "tmd_func.h"

#include "defs.h"
#include "globals.h"

typedef struct
{
	tmd_header	head;
	tmd_object	obj[1];
} missiles_str;

#define NUM_MISSILES 2

static missiles_str Missiles[NUM_MISSILES];

GsDOBJ2 Bullets[NUM_MISSILES];
GsCOORDINATE2 mcoords[NUM_MISSILES];

#define MISSILE_FRONT 100
#define MISSILE_WIDTH 10
#define MISSILE_HEIGHT -10

#define MISSILE_ALT -50

#define TANK_RED 0xff, 0x00, 0x00
#define TANK_DRED 0x7f, 0x00, 0x00
#define TANK_YELLOW 0xff, 0xff, 0x00
#define TANK_BLUE 0x00, 0x00, 0xff
#define TANK_DBLUE 0x00, 0x00, 0x7f
#define TANK_CYAN 0x00, 0xff, 0xff
#define TANK_PURPLE 0xff, 0x00, 0xff
#define TANK_DPURPLE 0x7f, 0x00, 0x7f
#define TANK_PINK 0xff, 0x7f, 0x7f
#define TANK_ORANGE 0xff, 0x7f, 0x00
#define TANK_DORANGE 0x7f, 0x3f, 0x00
#define TANK_LIME 0x7f, 0x7f, 0xff
#define TANK_WHITE 0xff, 0xff, 0xff
#define TANK_GREY 0x7f, 0x7f, 0x7f
#define TANK_DGREY 0x3f, 0x3f, 0x3f
#define TANK_BLACK 0x00, 0x00, 0x00

typedef enum
{
	COL_BLUE,
	COL_RED,
	COL_PURPLE,
	COL_ORANGE,
	COL_WHITE,
	COL_BLACK
} missile_colours;

static void missile_create(missiles_str *Missile, int col)
{
	Missile->head.id = TMD_VERSION;
	Missile->head.flags = TMD_FIXP;
	Missile->head.nobj = 1;

	Missile->obj[0].vert_top = tmd_vertbase();
	Missile->obj[0].n_vert = 4;
	Missile->obj[0].norm_top = tmd_normbase();
	Missile->obj[0].n_norm = 1;
	Missile->obj[0].prim_top = tmd_primbase();
	Missile->obj[0].n_prim = 4;

	tmd_addvert(0, MISSILE_HEIGHT, 0);
	tmd_addvert(MISSILE_WIDTH, 0, 0);
	tmd_addvert(-MISSILE_WIDTH, 0, 0);
	tmd_addvert(0, 0, MISSILE_FRONT);

	tmd_addnorm(0, 0, 0);

	switch(col)
	{
	case COL_BLUE:
		tmd_addp3fnt(0, 0, 1, 2, TANK_CYAN);
		tmd_addp3fnt(0, 0, 3, 1, TANK_BLUE);
		tmd_addp3fnt(0, 0, 2, 3, TANK_BLUE);
		tmd_addp3fnt(0, 3, 2, 1, TANK_DBLUE);
		break;
	case COL_RED:
		tmd_addp3fnt(0, 0, 1, 2, TANK_YELLOW);
		tmd_addp3fnt(0, 0, 3, 1, TANK_RED);
		tmd_addp3fnt(0, 0, 2, 3, TANK_RED);
		tmd_addp3fnt(0, 3, 2, 1, TANK_DRED);
		break;
	case COL_PURPLE:
		break;
	case COL_ORANGE:
		break;
	case COL_WHITE:
		break;
	case COL_BLACK:
		break;
	}
}

void initMissiles(void)
{
	missile_create(&Missiles[0], COL_BLUE);
	missile_create(&Missiles[1], COL_RED);
}

void SetupMissiles(void)
{
	int i;
	VECTOR transform;
	SVECTOR rotate;
	u_long *tmdaddr;

	for(i = 0; i < NUM_MISSILES; i++)
	{
		tmdaddr = (u_long *)&Missiles[i];

		GsMapModelingData(tmdaddr+1);
		GsLinkObject4((u_long)(tmdaddr+3), &Bullets[i], 0);
		Bullets[i].coord2 = &mcoords[i];

		Bullets[i].coord2->coord = GsIDMATRIX;
		Bullets[i].coord2->super = WORLD;
		Bullets[i].coord2->flg = 0;
		Bullets[i].coord2->param = 0;
		Bullets[i].attribute = 0;//(2 << 9);

		setVector(&transform, i*3400 + 200, MISSILE_ALT, i*3400 + 200);
		setVector(&rotate, 0, i*2048, 0);
		RotMatrix(&rotate, &(Bullets[i].coord2->coord));
		TransMatrix(&(Bullets[i].coord2->coord), &transform);
	}
}

void DrawMissiles(int i)
{
	MATRIX coordMatrix;

	Bullets[i].coord2->flg = 0;

	GsGetLs(Bullets[i].coord2, &coordMatrix);
	GsSetLsMatrix(&coordMatrix);

	GsSortObject4(&Bullets[i], &OT[buffIdx], 14 - OT[buffIdx].length, (u_long *)getScratchAddr(0));
}