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/*  Starshatter: The Open Source Project
    Copyright (c) 2021-2022, Starshatter: The Open Source Project Contributors
    Copyright (c) 2011-2012, Starshatter OpenSource Distribution Contributors
    Copyright (c) 1997-2006, Destroyer Studios LLC.

    AUTHOR:       John DiCamillo


    OVERVIEW
    ========
    Mouse class
*/

#include "Mouse.h"
#include "DataLoader.h"
#include "Window.h"
#include "Screen.h"
#include "Bitmap.h"
#include "Video.h"

// +--------------------------------------------------------------------+

int     Mouse::show        = 1;
int     Mouse::cursor      = Mouse::ARROW;

int     Mouse::x           = 320;
int     Mouse::y           = 240;
int     Mouse::l           = 0;
int     Mouse::m           = 0;
int     Mouse::r           = 0;
int     Mouse::w           = 0;

Bitmap* Mouse::image[8]    = { 0, 0, 0, 0, 0, 0, 0, 0 };
int     Mouse::hotspot[8]  = { 0, 0, 0, 0, 0, 0, 0, 0 };
Window* Mouse::window      = 0;

// +--------------------------------------------------------------------+

void Mouse::Create(Screen* screen)
{
    if (screen) {
        delete window;
        window = new Window(screen, 0, 0, screen->Width(), screen->Height());
    }
}

// +--------------------------------------------------------------------+

void Mouse::Resize(Screen* screen)
{
    if (screen) {
        delete window;
        window = new Window(screen, 0, 0, screen->Width(), screen->Height());
    }
}

// +--------------------------------------------------------------------+

void Mouse::Close()
{
    for (int i = 0; i < 8; i++) {
        delete image[i];
        image[i] = 0;
    }

    delete window;
    window = 0;

    show   = 0;
    cursor = ARROW;
}

// +--------------------------------------------------------------------+

void
Mouse::SetCursorPos(int ax, int ay)
{
    POINT p;
    int   dx = 0;
    int   dy = 0;

    ::GetCursorPos(&p);

    dx = p.x - x;
    dy = p.y - y;

    x = ax;
    y = ay;

    ::SetCursorPos(x+dx,y+dy);
}

// +--------------------------------------------------------------------+

int
Mouse::SetCursor(CURSOR c)
{
    int old = cursor;
    cursor = c;
    return old;
}

// +--------------------------------------------------------------------+

int
Mouse::LoadCursor(CURSOR c, const char* name, HOTSPOT hs)
{
    int result = 0;

    delete image[c];
    image[c] = 0;

    if (name && *name) {
        image[c] = new Bitmap;
        result = DataLoader::GetLoader()->LoadBitmap(name, *image[c], Bitmap::BMP_TRANSPARENT);

        if (result) {
            Bitmap* bmp = image[c];

            if (bmp && bmp->HiPixels())
            image[c]->CopyAlphaRedChannel(image[c]->Width(), image[c]->Height(), (LPDWORD) image[c]->HiPixels());

            hotspot[c] = hs;
        }
    }

    return result;
}

// +--------------------------------------------------------------------+

void
Mouse::Show(int s)
{
    show = s;
}

// +--------------------------------------------------------------------+

void
Mouse::Paint()
{
    if (!show || !window) return;

    // draw using bitmap:
    if (image[cursor]) {
        int w2 = image[cursor]->Width()/2;
        int h2 = image[cursor]->Height()/2;

        if (hotspot[cursor] == HOTSPOT_NW)
        window->DrawBitmap(x,    y,    x+w2*2, y+h2*2, image[cursor], Video::BLEND_ALPHA);
        else
        window->DrawBitmap(x-w2, y-h2, x+w2,   y+h2,   image[cursor], Video::BLEND_ALPHA);
    }

    // draw using primitives:
    /***
else {
    switch (cursor) {
    case ARROW:
    case CROSS:
    case USER1:
    case USER2:
    case USER3:
    default:
        window->DrawLine(x-7, y,   x+8, y,   Color::White);
        window->DrawLine(x,   y-7, x,   y+8, Color::White);
        break;

    case WAIT:
        window->DrawLine(x-7, y-7, x+8, y-7, Color::White);
        window->DrawLine(x-7, y-7, x+8, y+8, Color::White);
        window->DrawLine(x-7, y+8, x+8, y-7, Color::White);
        window->DrawLine(x-7, y+8, x+8, y+8, Color::White);
        break;

    case NOT:
        window->DrawEllipse(x-7,y-7,x+8,y+8, Color::White);
        window->DrawLine(   x-7,y-7,x+8,y+8, Color::White);
        break;

    case DRAG:
        window->DrawRect(x-7, y-6, x+8, y-3, Color::White);
        window->DrawRect(x-7, y-1, x+8, y+2, Color::White);
        window->DrawRect(x-7, y+4, x+8, y+7, Color::White);
        break;
    }
}
***/
}