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OpenRCT2/src/interface/screenshot.c
2016-06-11 03:06:30 +01:00

361 lines
9.2 KiB
C

#pragma region Copyright (c) 2014-2016 OpenRCT2 Developers
/*****************************************************************************
* OpenRCT2, an open source clone of Roller Coaster Tycoon 2.
*
* OpenRCT2 is the work of many authors, a full list can be found in contributors.md
* For more information, visit https://github.com/OpenRCT2/OpenRCT2
*
* OpenRCT2 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 3 of the License, or
* (at your option) any later version.
*
* A full copy of the GNU General Public License can be found in licence.txt
*****************************************************************************/
#pragma endregion
#include "../addresses.h"
#include "../audio/audio.h"
#include "../config.h"
#include "../drawing/drawing.h"
#include "../game.h"
#include "../image_io.h"
#include "../intro.h"
#include "../localisation/localisation.h"
#include "../openrct2.h"
#include "../platform/platform.h"
#include "../util/util.h"
#include "../windows/error.h"
#include "screenshot.h"
#include "viewport.h"
/**
*
* rct2: 0x006E3AEC
*/
void screenshot_check()
{
int screenshotIndex;
if (RCT2_GLOBAL(RCT2_ADDRESS_SCREENSHOT_COUNTDOWN, uint8) != 0) {
RCT2_GLOBAL(RCT2_ADDRESS_SCREENSHOT_COUNTDOWN, uint8)--;
if (RCT2_GLOBAL(RCT2_ADDRESS_SCREENSHOT_COUNTDOWN, uint8) == 0) {
// update_rain_animation();
screenshotIndex = screenshot_dump();
if (screenshotIndex != -1) {
RCT2_GLOBAL(0x009A8C29, uint8) |= 1;
// TODO use a more obvious sound like a camera shutter
audio_play_sound(SOUND_CLICK_1, 0, gScreenWidth / 2);
} else {
window_error_open(STR_SCREENSHOT_FAILED, -1);
}
RCT2_GLOBAL(0x009A8C29, uint8) &= ~1;
// redraw_rain();
}
}
}
static void screenshot_get_rendered_palette(rct_palette* palette) {
for (int i = 0; i < 256; i++) {
const SDL_Color *renderedEntry = &gPalette[i];
rct_palette_entry *entry = &palette->entries[i];
entry->red = renderedEntry->r;
entry->green = renderedEntry->g;
entry->blue = renderedEntry->b;
entry->alpha = renderedEntry->a;
}
}
static int screenshot_get_next_path(char *path)
{
char screenshotPath[MAX_PATH];
platform_get_user_directory(screenshotPath, "screenshot");
if (!platform_ensure_directory_exists(screenshotPath)) {
log_error("Unable to save screenshots in OpenRCT2 screenshot directory.\n");
return -1;
}
int i;
for (i = 1; i < 1000; i++) {
set_format_arg(0, uint16, i);
// Glue together path and filename
sprintf(path, "%sSCR%d.png", screenshotPath, i);
if (!platform_file_exists(path)) {
return i;
}
}
log_error("You have too many saved screenshots.\n");
return -1;
}
int screenshot_dump_png(rct_drawpixelinfo *dpi)
{
// Get a free screenshot path
int index;
char path[MAX_PATH] = "";
if ((index = screenshot_get_next_path(path)) == -1) {
return -1;
}
rct_palette renderedPalette;
screenshot_get_rendered_palette(&renderedPalette);
if (image_io_png_write(dpi, &renderedPalette, path)) {
return index;
} else {
return -1;
}
}
int screenshot_dump_png_32bpp(sint32 width, sint32 height, const void *pixels)
{
// Get a free screenshot path
int index;
char path[MAX_PATH] = "";
if ((index = screenshot_get_next_path(path)) == -1) {
return -1;
}
if (image_io_png_write_32bpp(width, height, pixels, path)) {
return index;
} else {
return -1;
}
}
void screenshot_giant()
{
int originalRotation = get_current_rotation();
int originalZoom = 0;
rct_window *mainWindow = window_get_main();
if (mainWindow != NULL && mainWindow->viewport != NULL)
originalZoom = mainWindow->viewport->zoom;
int rotation = originalRotation;
int zoom = originalZoom;
int mapSize = gMapSize;
int resolutionWidth = (mapSize * 32 * 2) >> zoom;
int resolutionHeight = (mapSize * 32 * 1) >> zoom;
resolutionWidth += 8;
resolutionHeight += 128;
rct_viewport viewport;
viewport.x = 0;
viewport.y = 0;
viewport.width = resolutionWidth;
viewport.height = resolutionHeight;
viewport.view_width = viewport.width;
viewport.view_height = viewport.height;
viewport.var_11 = 0;
viewport.flags = 0;
int centreX = (mapSize / 2) * 32 + 16;
int centreY = (mapSize / 2) * 32 + 16;
int x, y;
int z = map_element_height(centreX, centreY) & 0xFFFF;
switch (rotation) {
case 0:
x = centreY - centreX;
y = ((centreX + centreY) / 2) - z;
break;
case 1:
x = -centreY - centreX;
y = ((-centreX + centreY) / 2) - z;
break;
case 2:
x = -centreY + centreX;
y = ((-centreX - centreY) / 2) - z;
break;
case 3:
x = centreY + centreX;
y = ((centreX - centreY) / 2) - z;
break;
}
viewport.view_x = x - ((viewport.view_width << zoom) / 2);
viewport.view_y = y - ((viewport.view_height << zoom) / 2);
viewport.zoom = zoom;
gCurrentRotation = rotation;
// Ensure sprites appear regardless of rotation
reset_all_sprite_quadrant_placements();
rct_drawpixelinfo dpi;
dpi.x = 0;
dpi.y = 0;
dpi.width = resolutionWidth;
dpi.height = resolutionHeight;
dpi.pitch = 0;
dpi.zoom_level = 0;
dpi.bits = malloc(dpi.width * dpi.height);
viewport_render(&dpi, &viewport, 0, 0, viewport.width, viewport.height);
// Get a free screenshot path
char path[MAX_PATH];
int index;
if ((index = screenshot_get_next_path(path)) == -1) {
log_error("Giant screenshot failed, unable to find a suitable destination path.");
window_error_open(STR_SCREENSHOT_FAILED, -1);
return;
}
rct_palette renderedPalette;
screenshot_get_rendered_palette(&renderedPalette);
image_io_png_write(&dpi, &renderedPalette, path);
free(dpi.bits);
// Show user that screenshot saved successfully
rct_string_id stringId = STR_PLACEHOLDER;
strcpy((char*)language_get_string(stringId), path_get_filename(path));
set_format_arg(0, uint16, stringId);
window_error_open(STR_SCREENSHOT_SAVED_AS, -1);
}
int cmdline_for_screenshot(const char **argv, int argc)
{
bool giantScreenshot = argc == 5 && _stricmp(argv[2], "giant") == 0;
if (argc != 4 && argc != 8 && !giantScreenshot) {
printf("Usage: openrct2 screenshot <file> <ouput_image> <width> <height> [<x> <y> <zoom> <rotation>]\n");
printf("Usage: openrct2 screenshot <file> <ouput_image> giant <zoom> <rotation>\n");
return -1;
}
bool customLocation = false;
bool centreMapX = false;
bool centreMapY = false;
int resolutionWidth, resolutionHeight, customX, customY, customZoom, customRotation;
const char *inputPath = argv[0];
const char *outputPath = argv[1];
if (giantScreenshot) {
resolutionWidth = 0;
resolutionHeight = 0;
customLocation = true;
centreMapX = true;
centreMapY = true;
customZoom = atoi(argv[3]);
customRotation = atoi(argv[4]) & 3;
} else {
resolutionWidth = atoi(argv[2]);
resolutionHeight = atoi(argv[3]);
if (argc == 8) {
customLocation = true;
if (argv[4][0] == 'c')
centreMapX = true;
else
customX = atoi(argv[4]);
if (argv[5][0] == 'c')
centreMapY = true;
else
customY = atoi(argv[5]);
customZoom = atoi(argv[6]);
customRotation = atoi(argv[7]) & 3;
} else {
customZoom = 0;
}
}
gOpenRCT2Headless = true;
if (openrct2_initialise()) {
rct2_open_file(inputPath);
gIntroState = INTRO_STATE_NONE;
gScreenFlags = SCREEN_FLAGS_PLAYING;
int mapSize = gMapSize;
if (resolutionWidth == 0 || resolutionHeight == 0) {
resolutionWidth = (mapSize * 32 * 2) >> customZoom;
resolutionHeight = (mapSize * 32 * 1) >> customZoom;
resolutionWidth += 8;
resolutionHeight += 128;
}
rct_viewport viewport;
viewport.x = 0;
viewport.y = 0;
viewport.width = resolutionWidth;
viewport.height = resolutionHeight;
viewport.view_width = viewport.width;
viewport.view_height = viewport.height;
viewport.var_11 = 0;
viewport.flags = 0;
if (customLocation) {
if (centreMapX)
customX = (mapSize / 2) * 32 + 16;
if (centreMapY)
customY = (mapSize / 2) * 32 + 16;
int x, y;
int z = map_element_height(customX, customY) & 0xFFFF;
switch (customRotation) {
case 0:
x = customY - customX;
y = ((customX + customY) / 2) - z;
break;
case 1:
x = -customY - customX;
y = ((-customX + customY) / 2) - z;
break;
case 2:
x = -customY + customX;
y = ((-customX - customY) / 2) - z;
break;
case 3:
x = customY + customX;
y = ((customX - customY) / 2) - z;
break;
}
viewport.view_x = x - ((viewport.view_width << customZoom) / 2);
viewport.view_y = y - ((viewport.view_height << customZoom) / 2);
viewport.zoom = customZoom;
gCurrentRotation = customRotation;
} else {
viewport.view_x = gSavedViewX - (viewport.view_width / 2);
viewport.view_y = gSavedViewY - (viewport.view_height / 2);
viewport.zoom = gSavedViewZoom;
gCurrentRotation = gSavedViewRotation;
}
// Ensure sprites appear regardless of rotation
reset_all_sprite_quadrant_placements();
rct_drawpixelinfo dpi;
dpi.x = 0;
dpi.y = 0;
dpi.width = resolutionWidth;
dpi.height = resolutionHeight;
dpi.pitch = 0;
dpi.zoom_level = 0;
dpi.bits = malloc(dpi.width * dpi.height);
viewport_render(&dpi, &viewport, 0, 0, viewport.width, viewport.height);
rct_palette renderedPalette;
screenshot_get_rendered_palette(&renderedPalette);
image_io_png_write(&dpi, &renderedPalette, outputPath);
free(dpi.bits);
}
openrct2_dispose();
return 1;
}