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// the in-game inventory screen

#include "nx.h"

#include "inventory.h"

#include "inventory.fdh"

#define ARMS_X 10

#define ARMS_Y 8

#define ITEMS_X 10

#define ITEMS_Y 60

static stInventory inv;

// can't enter Inven if

// * script is running

// * fade is in progress

// * player is dead

// param is passed as 1 when returning from Map System.

bool inventory_init(int param)

{

memset(&inv, 0, sizeof(inv));

inv.curselector = &inv.armssel;

inv.armssel.cursel = RefreshInventoryScreen();

inv.curselector->lastsel = -9999; // run the script first time

// returning from map system?

if (param == 1)

{

inv.curselector = &inv.itemsel;

// highlight Map System

for(int i=0;i<inv.itemsel.nitems;i++)

{

if (inv.itemsel.items[i] == 2)

{

inv.curselector->cursel = i;

// textbox NOT up until they move the selector

inv.curselector->lastsel = i;

break;

}

return 0;

}

void inventory_tick(void)

{

// run the selectors

RunSelector(inv.curselector);

// draw

DrawScene();

DrawInventory();

textbox.Draw();

}

void c------------------------------() {}

// reload which items & guns are available.

// reset the cursor for the current selector.

// return the slot corresponding to the current weapon.

int RefreshInventoryScreen(void)

{

int i;

int curwpn = 0;

if (game.mode != GM_INVENTORY)

return 0;

inv.w = 244;

inv.h = 152;

inv.x = (SCREEN_WIDTH / 2) - (inv.w / 2);

#ifndef _480X272 // 480x272 widescreen fix

inv.y = 8;

#else

inv.y = 30;

#endif

// find current weapon and count # items for armssel selector

inv.armssel.items[0] = 0; // show "no weapon" in case of no weapon

inv.armssel.nitems = 0;

for(i=1;i<WPN_COUNT;i++)

{

if (!player->weapons[i].hasWeapon) continue;

if (player->curWeapon == i) curwpn = inv.armssel.nitems;

inv.armssel.items[inv.armssel.nitems++] = i;

}

inv.armssel.spacing_x = 40;

inv.armssel.spacing_y = 0;

inv.armssel.sprite = SPR_SELECTOR_ARMS;

inv.armssel.sound = SND_SWITCH_WEAPON;

inv.armssel.scriptbase = 1000;

inv.armssel.rowlen = inv.armssel.nitems;

// setup itemsel...

inv.itemsel.nitems = player->ninventory;

inv.itemsel.items[0] = 0; // show "no item" in case of no items

for(i=0;i<player->ninventory;i++)

inv.itemsel.items[i] = player->inventory[i];

inv.itemsel.spacing_x = sprites[SPR_ITEMIMAGE].w;

inv.itemsel.spacing_y = sprites[SPR_ITEMIMAGE].h + 2;

inv.itemsel.sprite = SPR_SELECTOR_ITEMS;

inv.itemsel.sound = SND_MENU_MOVE;

inv.itemsel.rowlen = 6;

inv.itemsel.scriptbase = 5000;

inv.curselector->cursel = 0;

// after an item has been used don't bring up the script of whatever item

// the selector is moved to

inv.curselector->lastsel = inv.curselector->cursel;

return curwpn;

}

void UnlockInventoryInput(void)

{

if (inv.lockinput)

inv.lockinput = false;

}

void c------------------------------() {}

static void DrawInventory(void)

{

int x, y, w, i, c;

// draw the box

TextBox::DrawFrame(inv.x, inv.y, inv.w, inv.h);

// - draw the weapons ----

x = inv.x + ARMS_X;

y = inv.y + ARMS_Y;

draw_sprite(x, y, SPR_TEXT_ARMS, 0, 0);

y += sprites[SPR_TEXT_ARMS].h;

DrawSelector(&inv.armssel, x, y);

// draw the arms

for(w=1;w<WPN_COUNT;w++)

{

if (!player->weapons[w].hasWeapon) continue;

draw_sprite(x+1, y+1, SPR_ARMSICONS, w, 0);

DrawWeaponLevel(x+1, y+16, w);

DrawWeaponAmmo(x+1, y+16+8, w);

x += inv.armssel.spacing_x;

}

// - draw the items ----

x = inv.x + ITEMS_X;

y = inv.y + ITEMS_Y;

draw_sprite(x, y, SPR_TEXT_ITEMS, 0, 0);

y += sprites[SPR_TEXT_ITEMS].h;

DrawSelector(&inv.itemsel, x, y);

c = 0;

for(i=0;i<inv.itemsel.nitems;i++)

{

draw_sprite(x, y, SPR_ITEMIMAGE, inv.itemsel.items[i], 0);

x += inv.itemsel.spacing_x;

if (++c >= inv.itemsel.rowlen)

{

x = inv.x + ITEMS_X;

y += inv.itemsel.spacing_y;

c = 0;

}

static void RunSelector(stSelector *selector)

{

int nrows;

int currow, curcol;

char toggle = 0;

if (inv.lockinput)

{

if (GetCurrentScript()==-1) inv.lockinput = 0;

else return;

}

if (selector->nitems)

{

nrows = (selector->nitems - 1) / selector->rowlen;

currow = (selector->cursel / selector->rowlen);

curcol = (selector->cursel % selector->rowlen);

}

else

{

nrows = currow = curcol = 0;

}

if (justpushed(LEFTKEY))

{

sound(selector->sound);

// at beginning of row?

if (curcol == 0)

{ // wrap to end of row

if (currow < nrows)

selector->cursel += (selector->rowlen - 1);

else if (selector->nitems > 0)

selector->cursel = selector->nitems - 1;

}

else selector->cursel--;

}

if (justpushed(RIGHTKEY))

{

sound(selector->sound);

// at end of row?

if (curcol==selector->rowlen-1 || selector->cursel+1 >= selector->nitems)

{ // wrap to beginning of row

selector->cursel = (currow * selector->rowlen);

}

else selector->cursel++;

}

if (justpushed(DOWNKEY))

{

// on last row?

if (currow >= nrows) toggle = 1;

else

{

selector->cursel += selector->rowlen;

// don't go past last item

if (selector->cursel >= selector->nitems)

selector->cursel = (selector->nitems - 1);

sound(selector->sound);

}

if (justpushed(UPKEY))

{

// on top row?

if (currow == 0) toggle = 1;

else

{

selector->cursel -= selector->rowlen;

sound(selector->sound);

}

// switch to other selector

if (toggle)

{

if (selector == &inv.itemsel)

{

selector = &inv.armssel;

}

else

{

selector = &inv.itemsel;

}

inv.curselector = selector;

sound(selector->sound);

selector->lastsel = -9999;

}

// bring up scripts

if (selector->cursel != selector->lastsel)

{

selector->lastsel = selector->cursel;

StartScript(selector->items[selector->cursel] + selector->scriptbase, SP_ARMSITEM);

}

if (selector == &inv.armssel) // selecting a weapon

{

if (buttonjustpushed())

{ // select the new weapon

weapon_slide(LEFT, selector->items[selector->cursel]);

ExitInventory();

}

else // selecting an item

{

if (justpushed(JUMPKEY))

{ // bring up "more info" or "equip" script for this item

StartScript(selector->items[selector->cursel] + selector->scriptbase + 1000, SP_ARMSITEM);

inv.lockinput = 1;

}

if (justpushed(INVENTORYKEY) || justpushed(FIREKEY))

ExitInventory();

}

static void ExitInventory(void)

{

StopScripts();

game.setmode(GM_NORMAL);

memset(inputs, 0, sizeof(inputs));

}

static void DrawSelector(stSelector *selector, int x, int y)

{

int selx, sely;

int xsel, ysel;

if (selector == inv.curselector)

{

// flash the box

if (++selector->animtimer > 1)

{

selector->animtimer = 0;

selector->flashstate ^= 1;

}

else

{ // permanently dim

selector->flashstate = 1;

selector->animtimer = 99; // light up immediately upon becoming active

}

if (selector->rowlen)

{

xsel = (selector->cursel % selector->rowlen);

ysel = (selector->cursel / selector->rowlen);

}

else xsel = ysel = 0;

selx = x + (xsel * selector->spacing_x);

sely = y + (ysel * selector->spacing_y);

draw_sprite(selx, sely, selector->sprite, selector->flashstate, 0);

}