From 34ef2d44036a0b2635eeed1f8377055b058905e6 Mon Sep 17 00:00:00 2001 From: IntelOrca Date: Sat, 21 Nov 2015 18:59:48 +0000 Subject: [PATCH] try out gif recording --- data/language/english_uk.txt | 1 + projects/openrct2.vcxproj | 4 +- projects/openrct2.vcxproj.filters | 13 +- src/config.c | 1 + src/config.h | 1 + src/gif.h | 825 ++++++++++++++++++++++++++++++ src/interface/gif.cpp | 79 +++ src/interface/keyboard_shortcut.c | 11 + src/interface/screenshot.h | 6 + src/localisation/string_ids.h | 2 + src/rct2.c | 3 + src/windows/shortcut_keys.c | 1 + 12 files changed, 943 insertions(+), 4 deletions(-) create mode 100644 src/gif.h create mode 100644 src/interface/gif.cpp diff --git a/data/language/english_uk.txt b/data/language/english_uk.txt index 423a56a2b5..96725b3334 100644 --- a/data/language/english_uk.txt +++ b/data/language/english_uk.txt @@ -3918,6 +3918,7 @@ STR_5576 :Port: STR_5577 :South Korean Won (W) STR_5578 :Russian Rouble (R) STR_5579 :Window scale factor: +STR_5580 :Toggle recording ##################### # Rides/attractions # diff --git a/projects/openrct2.vcxproj b/projects/openrct2.vcxproj index 2d78655e37..dfbf07cf02 100644 --- a/projects/openrct2.vcxproj +++ b/projects/openrct2.vcxproj @@ -51,6 +51,7 @@ + @@ -214,6 +215,7 @@ + @@ -509,4 +511,4 @@ xcopy /YS "$(SolutionDir)..\Data" "$(TargetDir)Data" - + \ No newline at end of file diff --git a/projects/openrct2.vcxproj.filters b/projects/openrct2.vcxproj.filters index 1b5b6966ab..ea43d26d5c 100644 --- a/projects/openrct2.vcxproj.filters +++ b/projects/openrct2.vcxproj.filters @@ -87,9 +87,6 @@ Source\Interface - - Source\Interface - Source\Interface @@ -552,6 +549,13 @@ Source\Interface + + + Source\Interface + + + Source\Interface + @@ -824,5 +828,8 @@ Source\Interface + + Source + \ No newline at end of file diff --git a/src/config.c b/src/config.c index e21031a26d..ca9e97db51 100644 --- a/src/config.c +++ b/src/config.c @@ -890,6 +890,7 @@ static const uint16 _defaultShortcutKeys[SHORTCUT_COUNT] = { SDL_SCANCODE_RIGHT, // SHORTCUT_SCROLL_MAP_RIGHT SDL_SCANCODE_C, // SHORTCUT_OPEN_CHAT_WINDOW CTRL | SDL_SCANCODE_F10, // SHORTCUT_QUICK_SAVE_GAME + CTRL | SDL_SCANCODE_F12, // SHORTCUT_TOGGLE_RECORDING }; #define SHORTCUT_FILE_VERSION 1 diff --git a/src/config.h b/src/config.h index 951727ca21..ec4cc8ae9f 100644 --- a/src/config.h +++ b/src/config.h @@ -78,6 +78,7 @@ enum { SHORTCUT_SCROLL_MAP_RIGHT, SHORTCUT_OPEN_CHAT_WINDOW, SHORTCUT_QUICK_SAVE_GAME, + SHORTCUT_TOGGLE_RECORDING, SHORTCUT_COUNT }; diff --git a/src/gif.h b/src/gif.h new file mode 100644 index 0000000000..4f30074a13 --- /dev/null +++ b/src/gif.h @@ -0,0 +1,825 @@ +// +// gif.h +// by Charlie Tangora +// Public domain. +// Email me : ctangora -at- gmail -dot- com +// +// This file offers a simple, very limited way to create animated GIFs directly in code. +// +// Those looking for particular cleverness are likely to be disappointed; it's pretty +// much a straight-ahead implementation of the GIF format with optional Floyd-Steinberg +// dithering. (It does at least use delta encoding - only the changed portions of each +// frame are saved.) +// +// So resulting files are often quite large. The hope is that it will be handy nonetheless +// as a quick and easily-integrated way for programs to spit out animations. +// +// Only RGBA8 is currently supported as an input format. (The alpha is ignored.) +// +// USAGE: +// Create a GifWriter struct. Pass it to GifBegin() to initialize and write the header. +// Pass subsequent frames to GifWriteFrame(). +// Finally, call GifEnd() to close the file handle and free memory. +// + +#ifndef gif_h +#define gif_h + +#include // for FILE* +#include // for memcpy and bzero +#include // for integer typedefs + +// Define these macros to hook into a custom memory allocator. +// TEMP_MALLOC and TEMP_FREE will only be called in stack fashion - frees in the reverse order of mallocs +// and any temp memory allocated by a function will be freed before it exits. +// MALLOC and FREE are used only by GifBegin and GifEnd respectively (to allocate a buffer the size of the image, which +// is used to find changed pixels for delta-encoding.) + +#ifndef GIF_TEMP_MALLOC +#include +#define GIF_TEMP_MALLOC malloc +#endif + +#ifndef GIF_TEMP_FREE +#include +#define GIF_TEMP_FREE free +#endif + +#ifndef GIF_MALLOC +#include +#define GIF_MALLOC malloc +#endif + +#ifndef GIF_FREE +#include +#define GIF_FREE free +#endif + +const int kGifTransIndex = 0; + +struct GifPalette +{ + int bitDepth; + + uint8_t r[256]; + uint8_t g[256]; + uint8_t b[256]; + + // k-d tree over RGB space, organized in heap fashion + // i.e. left child of node i is node i*2, right child is node i*2+1 + // nodes 256-511 are implicitly the leaves, containing a color + uint8_t treeSplitElt[255]; + uint8_t treeSplit[255]; +}; + +// max, min, and abs functions +int GifIMax(int l, int r) { return l>r?l:r; } +int GifIMin(int l, int r) { return l (1<bitDepth)-1) + { + int ind = treeRoot-(1<bitDepth); + if(ind == kGifTransIndex) return; + + // check whether this color is better than the current winner + int r_err = r - ((int32_t)pPal->r[ind]); + int g_err = g - ((int32_t)pPal->g[ind]); + int b_err = b - ((int32_t)pPal->b[ind]); + int diff = GifIAbs(r_err)+GifIAbs(g_err)+GifIAbs(b_err); + + if(diff < bestDiff) + { + bestInd = ind; + bestDiff = diff; + } + + return; + } + + // take the appropriate color (r, g, or b) for this node of the k-d tree + int comps[3]; comps[0] = r; comps[1] = g; comps[2] = b; + int splitComp = comps[pPal->treeSplitElt[treeRoot]]; + + int splitPos = pPal->treeSplit[treeRoot]; + if(splitPos > splitComp) + { + // check the left subtree + GifGetClosestPaletteColor(pPal, r, g, b, bestInd, bestDiff, treeRoot*2); + if( bestDiff > splitPos - splitComp ) + { + // cannot prove there's not a better value in the right subtree, check that too + GifGetClosestPaletteColor(pPal, r, g, b, bestInd, bestDiff, treeRoot*2+1); + } + } + else + { + GifGetClosestPaletteColor(pPal, r, g, b, bestInd, bestDiff, treeRoot*2+1); + if( bestDiff > splitComp - splitPos ) + { + GifGetClosestPaletteColor(pPal, r, g, b, bestInd, bestDiff, treeRoot*2); + } + } +} + +void GifSwapPixels(uint8_t* image, int pixA, int pixB) +{ + uint8_t rA = image[pixA*4]; + uint8_t gA = image[pixA*4+1]; + uint8_t bA = image[pixA*4+2]; + uint8_t aA = image[pixA*4+3]; + + uint8_t rB = image[pixB*4]; + uint8_t gB = image[pixB*4+1]; + uint8_t bB = image[pixB*4+2]; + uint8_t aB = image[pixA*4+3]; + + image[pixA*4] = rB; + image[pixA*4+1] = gB; + image[pixA*4+2] = bB; + image[pixA*4+3] = aB; + + image[pixB*4] = rA; + image[pixB*4+1] = gA; + image[pixB*4+2] = bA; + image[pixB*4+3] = aA; +} + +// just the partition operation from quicksort +int GifPartition(uint8_t* image, const int left, const int right, const int elt, int pivotIndex) +{ + const int pivotValue = image[(pivotIndex)*4+elt]; + GifSwapPixels(image, pivotIndex, right-1); + int storeIndex = left; + bool split = 0; + for(int ii=left; ii neededCenter) + GifPartitionByMedian(image, left, pivotIndex, com, neededCenter); + + if(pivotIndex < neededCenter) + GifPartitionByMedian(image, pivotIndex+1, right, com, neededCenter); + } +} + +// Builds a palette by creating a balanced k-d tree of all pixels in the image +void GifSplitPalette(uint8_t* image, int numPixels, int firstElt, int lastElt, int splitElt, int splitDist, int treeNode, bool buildForDither, GifPalette* pal) +{ + if(lastElt <= firstElt || numPixels == 0) + return; + + // base case, bottom of the tree + if(lastElt == firstElt+1) + { + if(buildForDither) + { + // Dithering needs at least one color as dark as anything + // in the image and at least one brightest color - + // otherwise it builds up error and produces strange artifacts + if( firstElt == 1 ) + { + // special case: the darkest color in the image + uint32_t r=255, g=255, b=255; + for(int ii=0; iir[firstElt] = r; + pal->g[firstElt] = g; + pal->b[firstElt] = b; + + return; + } + + if( firstElt == (1 << pal->bitDepth)-1 ) + { + // special case: the lightest color in the image + uint32_t r=0, g=0, b=0; + for(int ii=0; iir[firstElt] = r; + pal->g[firstElt] = g; + pal->b[firstElt] = b; + + return; + } + } + + // otherwise, take the average of all colors in this subcube + uint64_t r=0, g=0, b=0; + for(int ii=0; iir[firstElt] = (uint8_t)r; + pal->g[firstElt] = (uint8_t)g; + pal->b[firstElt] = (uint8_t)b; + + return; + } + + // Find the axis with the largest range + int minR = 255, maxR = 0; + int minG = 255, maxG = 0; + int minB = 255, maxB = 0; + for(int ii=0; ii maxR) maxR = r; + if(r < minR) minR = r; + + if(g > maxG) maxG = g; + if(g < minG) minG = g; + + if(b > maxB) maxB = b; + if(b < minB) minB = b; + } + + int rRange = maxR - minR; + int gRange = maxG - minG; + int bRange = maxB - minB; + + // and split along that axis. (incidentally, this means this isn't a "proper" k-d tree but I don't know what else to call it) + int splitCom = 1; + if(bRange > gRange) splitCom = 2; + if(rRange > bRange && rRange > gRange) splitCom = 0; + + int subPixelsA = numPixels * (splitElt - firstElt) / (lastElt - firstElt); + int subPixelsB = numPixels-subPixelsA; + + GifPartitionByMedian(image, 0, numPixels, splitCom, subPixelsA); + + pal->treeSplitElt[treeNode] = splitCom; + pal->treeSplit[treeNode] = image[subPixelsA*4+splitCom]; + + GifSplitPalette(image, subPixelsA, firstElt, splitElt, splitElt-splitDist, splitDist/2, treeNode*2, buildForDither, pal); + GifSplitPalette(image+subPixelsA*4, subPixelsB, splitElt, lastElt, splitElt+splitDist, splitDist/2, treeNode*2+1, buildForDither, pal); +} + +// Finds all pixels that have changed from the previous image and +// moves them to the fromt of th buffer. +// This allows us to build a palette optimized for the colors of the +// changed pixels only. +int GifPickChangedPixels( const uint8_t* lastFrame, uint8_t* frame, int numPixels ) +{ + int numChanged = 0; + uint8_t* writeIter = frame; + + for (int ii=0; iibitDepth = bitDepth; + + // SplitPalette is destructive (it sorts the pixels by color) so + // we must create a copy of the image for it to destroy + int imageSize = width*height*4*sizeof(uint8_t); + uint8_t* destroyableImage = (uint8_t*)GIF_TEMP_MALLOC(imageSize); + memcpy(destroyableImage, nextFrame, imageSize); + + int numPixels = width*height; + if(lastFrame) + numPixels = GifPickChangedPixels(lastFrame, destroyableImage, numPixels); + + const int lastElt = 1 << bitDepth; + const int splitElt = lastElt/2; + const int splitDist = splitElt/2; + + GifSplitPalette(destroyableImage, numPixels, 1, lastElt, splitElt, splitDist, 1, buildForDither, pPal); + + GIF_TEMP_FREE(destroyableImage); + + // add the bottom node for the transparency index + pPal->treeSplit[1 << (bitDepth-1)] = 0; + pPal->treeSplitElt[1 << (bitDepth-1)] = 0; + + pPal->r[0] = pPal->g[0] = pPal->b[0] = 0; +} + +// Implements Floyd-Steinberg dithering, writes palette value to alpha +void GifDitherImage( const uint8_t* lastFrame, const uint8_t* nextFrame, uint8_t* outFrame, uint32_t width, uint32_t height, GifPalette* pPal ) +{ + int numPixels = width*height; + + // quantPixels initially holds color*256 for all pixels + // The extra 8 bits of precision allow for sub-single-color error values + // to be propagated + int32_t* quantPixels = (int32_t*)GIF_TEMP_MALLOC(sizeof(int32_t)*numPixels*4); + + for( int ii=0; iir[bestInd]) * 256; + int32_t g_err = nextPix[1] - int32_t(pPal->g[bestInd]) * 256; + int32_t b_err = nextPix[2] - int32_t(pPal->b[bestInd]) * 256; + + nextPix[0] = pPal->r[bestInd]; + nextPix[1] = pPal->g[bestInd]; + nextPix[2] = pPal->b[bestInd]; + nextPix[3] = bestInd; + + // Propagate the error to the four adjacent locations + // that we haven't touched yet + int quantloc_7 = (yy*width+xx+1); + int quantloc_3 = (yy*width+width+xx-1); + int quantloc_5 = (yy*width+width+xx); + int quantloc_1 = (yy*width+width+xx+1); + + if(quantloc_7 < numPixels) + { + int32_t* pix7 = quantPixels+4*quantloc_7; + pix7[0] += GifIMax( -pix7[0], r_err * 7 / 16 ); + pix7[1] += GifIMax( -pix7[1], g_err * 7 / 16 ); + pix7[2] += GifIMax( -pix7[2], b_err * 7 / 16 ); + } + + if(quantloc_3 < numPixels) + { + int32_t* pix3 = quantPixels+4*quantloc_3; + pix3[0] += GifIMax( -pix3[0], r_err * 3 / 16 ); + pix3[1] += GifIMax( -pix3[1], g_err * 3 / 16 ); + pix3[2] += GifIMax( -pix3[2], b_err * 3 / 16 ); + } + + if(quantloc_5 < numPixels) + { + int32_t* pix5 = quantPixels+4*quantloc_5; + pix5[0] += GifIMax( -pix5[0], r_err * 5 / 16 ); + pix5[1] += GifIMax( -pix5[1], g_err * 5 / 16 ); + pix5[2] += GifIMax( -pix5[2], b_err * 5 / 16 ); + } + + if(quantloc_1 < numPixels) + { + int32_t* pix1 = quantPixels+4*quantloc_1; + pix1[0] += GifIMax( -pix1[0], r_err / 16 ); + pix1[1] += GifIMax( -pix1[1], g_err / 16 ); + pix1[2] += GifIMax( -pix1[2], b_err / 16 ); + } + } + } + + // Copy the palettized result to the output buffer + for( int ii=0; iir[bestInd]; + outFrame[1] = pPal->g[bestInd]; + outFrame[2] = pPal->b[bestInd]; + outFrame[3] = bestInd; + } + + if(lastFrame) lastFrame += 4; + outFrame += 4; + nextFrame += 4; + } +} + +// Simple structure to write out the LZW-compressed portion of the image +// one bit at a time +struct GifBitStatus +{ + uint8_t bitIndex; // how many bits in the partial byte written so far + uint8_t byte; // current partial byte + + uint32_t chunkIndex; + uint8_t chunk[256]; // bytes are written in here until we have 256 of them, then written to the file +}; + +// insert a single bit +void GifWriteBit( GifBitStatus& stat, uint32_t bit ) +{ + bit = bit & 1; + bit = bit << stat.bitIndex; + stat.byte |= bit; + + ++stat.bitIndex; + if( stat.bitIndex > 7 ) + { + // move the newly-finished byte to the chunk buffer + stat.chunk[stat.chunkIndex++] = stat.byte; + // and start a new byte + stat.bitIndex = 0; + stat.byte = 0; + } +} + +// write all bytes so far to the file +void GifWriteChunk( FILE* f, GifBitStatus& stat ) +{ + fputc(stat.chunkIndex, f); + fwrite(stat.chunk, 1, stat.chunkIndex, f); + + stat.bitIndex = 0; + stat.byte = 0; + stat.chunkIndex = 0; +} + +void GifWriteCode( FILE* f, GifBitStatus& stat, uint32_t code, uint32_t length ) +{ + for( uint32_t ii=0; ii> 1; + + if( stat.chunkIndex == 255 ) + { + GifWriteChunk(f, stat); + } + } +} + +// The LZW dictionary is a 256-ary tree constructed as the file is encoded, +// this is one node +struct GifLzwNode +{ + uint16_t m_next[256]; +}; + +// write a 256-color (8-bit) image palette to the file +void GifWritePalette( const GifPalette* pPal, FILE* f ) +{ + fputc(0, f); // first color: transparency + fputc(0, f); + fputc(0, f); + + for(int ii=1; ii<(1 << pPal->bitDepth); ++ii) + { + uint32_t r = pPal->r[ii]; + uint32_t g = pPal->g[ii]; + uint32_t b = pPal->b[ii]; + + fputc(r, f); + fputc(g, f); + fputc(b, f); + } +} + +// write the image header, LZW-compress and write out the image +void GifWriteLzwImage(FILE* f, uint8_t* image, uint32_t left, uint32_t top, uint32_t width, uint32_t height, uint32_t delay, GifPalette* pPal) +{ + // graphics control extension + fputc(0x21, f); + fputc(0xf9, f); + fputc(0x04, f); + fputc(0x05, f); // leave prev frame in place, this frame has transparency + fputc(delay & 0xff, f); + fputc((delay >> 8) & 0xff, f); + fputc(kGifTransIndex, f); // transparent color index + fputc(0, f); + + fputc(0x2c, f); // image descriptor block + + fputc(left & 0xff, f); // corner of image in canvas space + fputc((left >> 8) & 0xff, f); + fputc(top & 0xff, f); + fputc((top >> 8) & 0xff, f); + + fputc(width & 0xff, f); // width and height of image + fputc((width >> 8) & 0xff, f); + fputc(height & 0xff, f); + fputc((height >> 8) & 0xff, f); + + //fputc(0, f); // no local color table, no transparency + //fputc(0x80, f); // no local color table, but transparency + + fputc(0x80 + pPal->bitDepth-1, f); // local color table present, 2 ^ bitDepth entries + GifWritePalette(pPal, f); + + const int minCodeSize = pPal->bitDepth; + const uint32_t clearCode = 1 << pPal->bitDepth; + + fputc(minCodeSize, f); // min code size 8 bits + + GifLzwNode* codetree = (GifLzwNode*)GIF_TEMP_MALLOC(sizeof(GifLzwNode)*4096); + + memset(codetree, 0, sizeof(GifLzwNode)*4096); + int32_t curCode = -1; + uint32_t codeSize = minCodeSize+1; + uint32_t maxCode = clearCode+1; + + GifBitStatus stat; + stat.byte = 0; + stat.bitIndex = 0; + stat.chunkIndex = 0; + + GifWriteCode(f, stat, clearCode, codeSize); // start with a fresh LZW dictionary + + for(uint32_t yy=0; yy= (1ul << codeSize) ) + { + // dictionary entry count has broken a size barrier, + // we need more bits for codes + codeSize++; + } + if( maxCode == 4095 ) + { + // the dictionary is full, clear it out and begin anew + GifWriteCode(f, stat, clearCode, codeSize); // clear tree + + memset(codetree, 0, sizeof(GifLzwNode)*4096); + curCode = -1; + codeSize = minCodeSize+1; + maxCode = clearCode+1; + } + + curCode = nextValue; + } + } + } + + // compression footer + GifWriteCode( f, stat, curCode, codeSize ); + GifWriteCode( f, stat, clearCode, codeSize ); + GifWriteCode( f, stat, clearCode+1, minCodeSize+1 ); + + // write out the last partial chunk + while( stat.bitIndex ) GifWriteBit(stat, 0); + if( stat.chunkIndex ) GifWriteChunk(f, stat); + + fputc(0, f); // image block terminator + + GIF_TEMP_FREE(codetree); +} + +struct GifWriter +{ + FILE* f; + uint8_t* oldImage; + bool firstFrame; +}; + +// Creates a gif file. +// The input GIFWriter is assumed to be uninitialized. +// The delay value is the time between frames in hundredths of a second - note that not all viewers pay much attention to this value. +bool GifBegin( GifWriter* writer, const char* filename, uint32_t width, uint32_t height, uint32_t delay, int32_t bitDepth = 8, bool dither = false ) +{ +#if _MSC_VER >= 1400 + writer->f = 0; + fopen_s(&writer->f, filename, "wb"); +#else + writer->f = fopen(filename, "wb"); +#endif + if(!writer->f) return false; + + writer->firstFrame = true; + + // allocate + writer->oldImage = (uint8_t*)GIF_MALLOC(width*height*4); + + fputs("GIF89a", writer->f); + + // screen descriptor + fputc(width & 0xff, writer->f); + fputc((width >> 8) & 0xff, writer->f); + fputc(height & 0xff, writer->f); + fputc((height >> 8) & 0xff, writer->f); + + fputc(0xf0, writer->f); // there is an unsorted global color table of 2 entries + fputc(0, writer->f); // background color + fputc(0, writer->f); // pixels are square (we need to specify this because it's 1989) + + // now the "global" palette (really just a dummy palette) + // color 0: black + fputc(0, writer->f); + fputc(0, writer->f); + fputc(0, writer->f); + // color 1: also black + fputc(0, writer->f); + fputc(0, writer->f); + fputc(0, writer->f); + + if( delay != 0 ) + { + // animation header + fputc(0x21, writer->f); // extension + fputc(0xff, writer->f); // application specific + fputc(11, writer->f); // length 11 + fputs("NETSCAPE2.0", writer->f); // yes, really + fputc(3, writer->f); // 3 bytes of NETSCAPE2.0 data + + fputc(1, writer->f); // JUST BECAUSE + fputc(0, writer->f); // loop infinitely (byte 0) + fputc(0, writer->f); // loop infinitely (byte 1) + + fputc(0, writer->f); // block terminator + } + + return true; +} + +// Writes out a new frame to a GIF in progress. +// The GIFWriter should have been created by GIFBegin. +// AFAIK, it is legal to use different bit depths for different frames of an image - +// this may be handy to save bits in animations that don't change much. +bool GifWriteFrame( GifWriter* writer, const uint8_t* image, uint32_t width, uint32_t height, uint32_t delay, int bitDepth = 8, bool dither = false ) +{ + if(!writer->f) return false; + + const uint8_t* oldImage = writer->firstFrame? NULL : writer->oldImage; + writer->firstFrame = false; + + GifPalette pal; + GifMakePalette((dither? NULL : oldImage), image, width, height, bitDepth, dither, &pal); + + if(dither) + GifDitherImage(oldImage, image, writer->oldImage, width, height, &pal); + else + GifThresholdImage(oldImage, image, writer->oldImage, width, height, &pal); + + GifWriteLzwImage(writer->f, writer->oldImage, 0, 0, width, height, delay, &pal); + + return true; +} + +// Writes the EOF code, closes the file handle, and frees temp memory used by a GIF. +// Many if not most viewers will still display a GIF properly if the EOF code is missing, +// but it's still a good idea to write it out. +bool GifEnd( GifWriter* writer ) +{ + if(!writer->f) return false; + + fputc(0x3b, writer->f); // end of file + fclose(writer->f); + GIF_FREE(writer->oldImage); + + writer->f = NULL; + writer->oldImage = NULL; + + return true; +} + +#endif \ No newline at end of file diff --git a/src/interface/gif.cpp b/src/interface/gif.cpp new file mode 100644 index 0000000000..a818d52316 --- /dev/null +++ b/src/interface/gif.cpp @@ -0,0 +1,79 @@ + +extern "C" { + +#include "../addresses.h" +#include "../common.h" +#include "../drawing/drawing.h" +#include "../platform/platform.h" +#include "screenshot.h" + +#include "../gif.h" + +bool gGifRecordingActive = false; + +static GifWriter _gifWriter; +static int _gifWidth; +static int _gifHeight; +static int _gifDelay; +static uint8 *_rgbFrameData; + +void screenshot_gif_begin() +{ + utf8 outPath[MAX_PATH]; + platform_get_user_directory(outPath, "screenshot"); + strcat(outPath, "test.gif"); + + _gifWidth = RCT2_GLOBAL(RCT2_ADDRESS_SCREEN_WIDTH, uint16); + _gifHeight = RCT2_GLOBAL(RCT2_ADDRESS_SCREEN_HEIGHT, uint16); + _gifDelay = 2; + if (!GifBegin(&_gifWriter, outPath, _gifWidth, _gifHeight, _gifDelay)) { + log_error("Unable to begin GIF recording."); + return; + } + + gGifRecordingActive = true; + _rgbFrameData = (uint8*)malloc(_gifWidth * _gifHeight * 4); +} + +void screenshot_gif_update() +{ + if (!gGifRecordingActive) { + return; + } + + uint8 *palette = RCT2_ADDRESS(RCT2_ADDRESS_PALETTE, uint8); + rct_drawpixelinfo *dpi = RCT2_ADDRESS(RCT2_ADDRESS_SCREEN_DPI, rct_drawpixelinfo); + + int width = min(_gifWidth, dpi->width); + int height = min(_gifHeight, dpi->height); + uint8 *src = dpi->bits; + uint8 *dst = _rgbFrameData; + + memset(dst, 0, _gifWidth * _gifHeight * 4); + for (int y = 0; y < height; y++) { + for (int x = 0; x < width; x++) { + uint8 colour = *src++; + uint8 *paletteEntry = &palette[colour * 4]; + *dst++ = paletteEntry[2]; + *dst++ = paletteEntry[1]; + *dst++ = paletteEntry[0]; + *dst++ = 255; + } + src += dpi->pitch; + } + + if (!GifWriteFrame(&_gifWriter, _rgbFrameData, _gifWidth, _gifHeight, _gifDelay)) { + log_error("Unable to write GIF frame."); + return; + } +} + +void screenshot_gif_end() +{ + gGifRecordingActive = false; + + GifEnd(&_gifWriter); + SafeFree(_rgbFrameData); +} + +} \ No newline at end of file diff --git a/src/interface/keyboard_shortcut.c b/src/interface/keyboard_shortcut.c index 946ab53dcf..0d25af9eef 100644 --- a/src/interface/keyboard_shortcut.c +++ b/src/interface/keyboard_shortcut.c @@ -22,6 +22,7 @@ #include "../config.h" #include "../game.h" #include "../interface/chat.h" +#include "../interface/screenshot.h" #include "../input.h" #include "../localisation/localisation.h" #include "../network/network.h" @@ -513,6 +514,15 @@ static void shortcut_quick_save_game() } } +static void shortcut_toggle_recording() +{ + if (!gGifRecordingActive) { + screenshot_gif_begin(); + } else { + screenshot_gif_end(); + } +} + static const shortcut_action shortcut_table[SHORTCUT_COUNT] = { shortcut_close_top_most_window, shortcut_close_all_floating_windows, @@ -559,6 +569,7 @@ static const shortcut_action shortcut_table[SHORTCUT_COUNT] = { NULL, shortcut_open_chat_window, shortcut_quick_save_game, + shortcut_toggle_recording }; #pragma endregion diff --git a/src/interface/screenshot.h b/src/interface/screenshot.h index 81feb53801..1002c69429 100644 --- a/src/interface/screenshot.h +++ b/src/interface/screenshot.h @@ -21,10 +21,16 @@ #ifndef _SCREENSHOT_H_ #define _SCREENSHOT_H_ +extern bool gGifRecordingActive; + void screenshot_check(); int screenshot_dump(); void screenshot_giant(); int cmdline_for_screenshot(const char **argv, int argc); +void screenshot_gif_begin(); +void screenshot_gif_update(); +void screenshot_gif_end(); + #endif \ No newline at end of file diff --git a/src/localisation/string_ids.h b/src/localisation/string_ids.h index 5b7ed3167a..afc947da9d 100644 --- a/src/localisation/string_ids.h +++ b/src/localisation/string_ids.h @@ -2174,6 +2174,8 @@ enum { STR_UI_SCALING_DESC = 5579, + STR_SHORTCUT_TOGGLE_RECORDING = 5580, + // Have to include resource strings (from scenarios and objects) for the time being now that language is partially working STR_COUNT = 32768 }; diff --git a/src/rct2.c b/src/rct2.c index 7781f5af7b..31a741b946 100644 --- a/src/rct2.c +++ b/src/rct2.c @@ -31,6 +31,7 @@ #include "game.h" #include "interface/chat.h" #include "interface/console.h" +#include "interface/screenshot.h" #include "interface/viewport.h" #include "intro.h" #include "localisation/date.h" @@ -259,6 +260,8 @@ void rct2_draw() } gCurrentDrawCount++; + + screenshot_gif_update(); } int rct2_open_file(const char *path) diff --git a/src/windows/shortcut_keys.c b/src/windows/shortcut_keys.c index db3db113e1..ca6701d296 100644 --- a/src/windows/shortcut_keys.c +++ b/src/windows/shortcut_keys.c @@ -132,6 +132,7 @@ const rct_string_id ShortcutStringIds[] = { STR_SHORTCUT_SCROLL_MAP_RIGHT, STR_SEND_MESSAGE, STR_SHORTCUT_QUICK_SAVE_GAME, + STR_SHORTCUT_TOGGLE_RECORDING, }; /**