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/*
* Copyright 1999-2006 Trent Gamblin
*
* This file is part of Stax.
*
* Stax is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* Stax is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Stax; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <stdarg.h>
#include <allegro.h>
#include "stax.h"
void SetGraphicsMode(void) throw (BadGraphicsMode)
{
set_color_depth(configuration.color_depth);
if (set_gfx_mode(configuration.graphics_driver, configuration.screen_width, configuration.screen_height, 0, 0) < 0)
throw BadGraphicsMode();
configuration.graphics_mode_set = true;
}
void CreateBuffer(void) throw (std::bad_alloc)
{
buffer = create_bitmap(BUFFER_WIDTH, BUFFER_HEIGHT);
if (!buffer)
throw std::bad_alloc();
}
void DestroyBuffer(void)
{
destroy_bitmap(buffer);
}
void DrawBlock(int x, int y, Block* block, bool falling)
{
if (block->type < 0)
return;
const int y_cutoff = PANEL_START_Y+(PANEL_HEIGHT*BLOCK_SIZE);
int draw_height = y_cutoff - y;
if (draw_height > BLOCK_SIZE)
draw_height = BLOCK_SIZE;
if (draw_height <= 0)
return;
int color;
BITMAP* bmp;
if (falling)
bmp = falling_block_bitmaps[block->type][falling_block_frame];
else if (block->popping && (((unsigned)currentTimeMillis() % (POP_FLASH_TIME*2)) < POP_FLASH_TIME)) {
bmp = popping_block_bitmaps[block->type];
}
else
bmp = block_bitmaps[block->type];
masked_blit(bmp, buffer, 0, 0, x, y, BLOCK_SIZE, draw_height);
}
void FillRectangle(int x1, int y1, int x2, int y2)
{
int color = makecol(0, 0, 0);
rectfill(buffer, x1, y1, x2, y2, color);
}
void DrawSunkenRectangle(int x1, int y1, int x2, int y2)
{
int bright_color = makecol(100, 100, 200);
int dark_color = makecol(50, 50, 50);
line(buffer, x1, y1, x2, y1, dark_color);
line(buffer, x1, y1+1, x1, y2, dark_color);
line(buffer, x1+1, y2, x2, y2, bright_color);
line(buffer, x2, y1+1, x2, y2-1, bright_color);
line(buffer, x1-1, y1-1, x2+1, y1-1, dark_color);
line(buffer, x1-1, y1, x1-1, y2+1, dark_color);
line(buffer, x1, y2+1, x2+1, y2+1, bright_color);
line(buffer, x2+1, y1, x2+1, y2, bright_color);
}
void BlitToScreen(void)
{
if (in_gui) {
float x_ratio = (float)BUFFER_WIDTH / (float)SCREEN_W;
float y_ratio = (float)BUFFER_HEIGHT / (float)SCREEN_H;
int mx = (int)((float)mouse_x * x_ratio);
int my = (int)((float)mouse_y * y_ratio);
draw_sprite(buffer, mouse_sprite, mx, my);
}
if (SCREEN_W == BUFFER_WIDTH && SCREEN_H == BUFFER_HEIGHT) {
blit(buffer, screen, 0, 0, 0, 0, SCREEN_W, SCREEN_H);
}
else {
stretch_blit(buffer, screen, 0, 0, BUFFER_WIDTH, BUFFER_HEIGHT, 0, 0, SCREEN_W, SCREEN_H);
}
}
bool IsSupportedColorDepth(int color_depth)
{
if (color_depth != 32 && color_depth != 24 && color_depth != 16 && color_depth != 15)
return false;
else
return true;
}
void DrawText(int x, int y, bool center, char* format, ...)
{
char text[1000];
va_list ap;
va_start(ap, format);
uvsprintf(text, format, ap);
va_end(ap);
if (center) {
int width = text_length(font, "x") * strlen(text);
x = x - (width / 2);
}
textout_ex(buffer, font, text, x-1, y, makecol(0, 0, 0), -1);
textout_ex(buffer, font, text, x+1, y, makecol(0, 0, 0), -1);
textout_ex(buffer, font, text, x, y-1, makecol(0, 0, 0), -1);
textout_ex(buffer, font, text, x, y+1, makecol(0, 0, 0), -1);
int text_color = makecol(configuration.colors[COLOR_TEXT].r, configuration.colors[COLOR_TEXT].g, configuration.colors[COLOR_TEXT].b);
textout_ex(buffer, font, text, x, y, text_color, -1);
}
void ChangeColor(BITMAP *b, int from, int to)
{
for (int y = 0; y < b->h; y++) {
for (int x = 0; x < b->w; x++) {
int c = getpixel(b, x, y);
if (c == from) {
c = to;
}
putpixel(b, x, y, c);
}
}
}
/*
void DrawBackgroundBitmap(void)
{
for (int y = 0; y < BUFFER_HEIGHT; y++) {
float p = (float)y / (float)BUFFER_HEIGHT * 100.0;
int c = GUI_GetGradientColor(100.0 - p, GUI_TOP_COLOR, GUI_BOTTOM_COLOR);
line(background_bitmap, 0, y, BUFFER_WIDTH-1, y, c);
}
}
*/
void SaveScreenshot(void)
{
save_bmp("ss.bmp", buffer, NULL);
rest(1000);
}
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