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Commit 9f304c22 authored by anotherguest's avatar anotherguest
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Add initial decoding of FF frames. Works with shareware intro. Looks nice with... 

Add initial decoding of FF frames. Works with shareware intro. Looks nice with level over, but repeat needs a small fix.
parent ac000e21
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Inline Side-by-side
Showing with 197 additions and 29 deletions
src/scene/scene.cpp
View file @ 9f304c22
......@@ -34,7 +34,7 @@
#include "io/gfx/font.h"
#include "io/gfx/paletteeffects.h"
#include "io/gfx/video.h"
#include "io/sound.h"
#include "io/sound.h"
#include "loop.h"
#include <string.h>
......@@ -256,7 +256,7 @@ int Scene::play () {
SceneImage *image;
SceneAnimation* animation = NULL;
SceneFrame* currentFrame = NULL;
SceneFrame* lastFrame = NULL;
SceneFrame* lastFrame = NULL;
PaletteEffect* paletteEffect = NULL;
int frameDelay = 0;
int prevFrame = 0;
......@@ -271,20 +271,20 @@ int Scene::play () {
while (true) {
if (loop(NORMAL_LOOP, paletteEffect) == E_QUIT) {
if (paletteEffect) delete paletteEffect;
return E_QUIT;
if (loop(NORMAL_LOOP, paletteEffect) == E_QUIT) {
if (paletteEffect) delete paletteEffect;
return E_QUIT;
}
if (controls.release(C_ESCAPE) || (controls.release(C_NO) && pages[sceneIndex].askForYesNo)) {
if (paletteEffect) delete paletteEffect;
return E_NONE;
if (controls.release(C_ESCAPE) || (controls.release(C_NO) && pages[sceneIndex].askForYesNo)) {
if (paletteEffect) delete paletteEffect;
return E_NONE;
}
SDL_Delay(T_FRAME);
......@@ -312,12 +312,12 @@ int Scene::play () {
if (upOrLeft) sceneIndex--;
else sceneIndex++;
if (sceneIndex == scriptItems) {
if (paletteEffect) delete paletteEffect;
return E_NONE;
if (sceneIndex == scriptItems) {
if (paletteEffect) delete paletteEffect;
return E_NONE;
}
lastTicks = globalTicks;
......@@ -330,7 +330,7 @@ int Scene::play () {
if (newpage) {
//if (paletteEffect) delete paletteEffect;
//if (paletteEffect) delete paletteEffect;
//paletteEffect = new FadeOutPaletteEffect(250, NULL);
textRect.x = 0;
......@@ -345,7 +345,7 @@ int Scene::play () {
video.setPalette(palette->palette);
// Fade in from black
// Fade in from black
if (paletteEffect) delete paletteEffect;
paletteEffect = new FadeInPaletteEffect(250, NULL);
......@@ -408,6 +408,12 @@ int Scene::play () {
loadCompactedMem(currentFrame->frameSize, currentFrame->frameData,(unsigned char*) animation->background->pixels, SW, SH);
}
break;
case EFFAniHeader:
{
unsigned char* data = currentFrame->frameData;
int size = currentFrame->frameSize;
loadFFMem(size, currentFrame->frameData, (unsigned char*) animation->background->pixels);
}break;
default:
LOG("Scene::Play unknown type", currentFrame->frameType);
break;
......@@ -439,13 +445,15 @@ int Scene::play () {
}
SDL_Delay(frameDelay);
if(currentFrame == NULL && animation->reverseAnimation) {
prevFrame = 1-prevFrame;
if(prevFrame) {
/*prevFrame = 1-prevFrame;
/*if(prevFrame) {
currentFrame = lastFrame->prev;
}
else {
currentFrame = lastFrame->next;
}
}*/
currentFrame = NULL;//animation->sceneFrames;
}
else if(currentFrame == NULL && !pageTime && !pages[sceneIndex].askForYesNo && pages[sceneIndex].nextPageAfterAnim) {
continueToNextPage = 1;
......
src/scene/scene.h
View file @ 9f304c22
......@@ -234,8 +234,9 @@ class Scene {
void loadScripts (File* f);
void loadData (File* f);
void loadAni (File* f, int dataIndex);
void loadCompacted(int& size, File* f, unsigned char* pixdata, int width, int height);
void loadCompactedMem(int& size, unsigned char* frameData, unsigned char* pixdata, int width, int height);
void loadCompacted(int size, File* f, unsigned char* pixdata, int width, int height);
void loadCompactedMem(int size, unsigned char* frameData, unsigned char* pixdata, int width, int height);
void loadFFMem(int size, unsigned char* frameData, unsigned char* pixdata);
public:
Scene (const char* fileName);
~Scene ();
......
src/scene/sceneload.cpp
View file @ 9f304c22
......@@ -33,6 +33,165 @@
#include <string.h>
void Scene::loadFFMem(int size, unsigned char* frameData, unsigned char* pixdata) {
int pixels = 0;
int fillWidth = 0;
unsigned char fillColor = 0;
int trans = 1;
int opCodeNo = 0;
unsigned char* repeatPos = NULL;
unsigned char* startPix = pixdata;
unsigned char* framestart = frameData;
/*FILE* out = fopen("c:\\output.dat", "wb");
fwrite(frameData, size, 1, out);
fclose(out);*/
while (size > 0) {
LOG("PL FF frame offset",(frameData-framestart));
opCodeNo++;
fflush(stderr);
unsigned char header = *frameData;frameData++;
if(header == 0xFF) {
unsigned short skip = *frameData;frameData++;
skip+=((unsigned short)(*frameData))<<8;frameData++;
if(trans) {
skip+=255;
}
LOG("PL FF 0xff skip", skip);
pixels+=skip;
pixdata+=skip;
size -= 2;
trans = 0;
}
else if (header == 0x7f) {
fillWidth = *frameData;frameData++;
fillWidth+=((unsigned short)(*frameData))<<8;frameData++;
if(trans) {
fillWidth+=255;
}
//fillColor = *frameData;frameData++;
//memset(pixdata, fillColor, fillWidth);
LOG("PL FF 0x7f fillWidth", fillWidth);
pixels+=fillWidth;
pixdata+=fillWidth;
size-=2;
trans = 1;
}
else if ((header & 0xe0) == 0xe0) {
LOG("PL FF 0xe0 skip", header);
pixels+=header;
pixdata+=header;
trans = 0;
}
else if ((header & 0xA0) == 0xA0) {
fillWidth = (header-0xA0);
LOG("PL FF 0xa0 fill next op",fillWidth);
// fill ?
unsigned char* readfill = pixdata-320;
for(int col = 0;col < fillWidth;col++) {
*pixdata = *readfill;
pixels++;
pixdata++;
readfill++;
}
trans = 0;
}
else if ((header & 0xC0) == 0xc0) {
fillWidth = (header - 0xC0);
LOG("PL FF 0xc0 fillWidth", fillWidth);
fillColor = *frameData;frameData++;
memset(pixdata, fillColor, fillWidth);
pixdata+=fillWidth;
pixels+=fillWidth;
size--;
trans = 0;
}
else if (header & 0x80) {
fillWidth = (header-0x80);
if(trans) {
LOG("PL FF 0x8? SKIP bytes",fillWidth);
pixels+=(fillWidth);
pixdata+=(fillWidth);
}
else {
LOG("PL FF 0x8? Copy bytes", fillWidth);
for(int col = 0;col < fillWidth;col++) {
fillColor= *frameData;frameData++;
*pixdata = fillColor;
pixels++;
pixdata++;
size--;
}
}
trans = 1-trans;
}
else if (header & 0x40) {
fillWidth = (header-0x40);
fillColor = *frameData;frameData++;
memset(pixdata, fillColor, fillWidth);
LOG("PL FF 0x40 fillWidth", fillWidth);
pixels+=fillWidth;
pixdata+=fillWidth;
size--;
trans = 1;
}
else if (header & 0x20)
{
// fill ?
unsigned char* readfill = pixdata-320;
fillWidth = header-0x20;
for(int col = 0;col < fillWidth;col++) {
*pixdata = *readfill;
pixels++;
pixdata++;
readfill++;
}
LOG("PL FF Fill 0x20 ", (header-0x20));
trans = 1;
}
else if(header) {
if(trans) {
LOG("PL FF 0x0? SKIP bytes", header);
pixels+=(header);
pixdata+=(header);
}
else {
LOG("PL FF 0x0? Copy bytes", header);
for(int col = 0;col < (header);col++) {
fillColor= *frameData;frameData++;
*pixdata = fillColor;
pixels++;
pixdata++;
size--;
}
}
trans = 1-trans;
}
else
{
size = 1; // end
LOG("PL FF END OF STREAM", size);
}
size--;
SDL_Rect dst;
dst.x = (canvasW - SW) >> 1;
dst.y = (canvasH - SH) >> 1;
}
LOG("PL FF pixels", pixels);
}
/*
* $0x $... Next x + 1 bytes are 'literals'; each byte colors 1 column (Max val $3F)
* $4x $yy Next x + 1 columns drawn in color yy (Max value $7E)
......@@ -40,7 +199,7 @@
* $8x Next x + 1 pixels are skipped, they're already the right color (Max val $FE)
* $FF $xxxx Skip next xxxx pixels of picture, they're already the right color
*/
void Scene::loadCompacted(int& size, File* f, unsigned char* pixdata, int width, int height) {
void Scene::loadCompacted(int size, File* f, unsigned char* pixdata, int width, int height) {
int pixels = 0;
unsigned char* endpixdata = pixdata + (width*height);
unsigned char* fillstart = NULL;
......@@ -122,7 +281,7 @@ void Scene::loadCompacted(int& size, File* f, unsigned char* pixdata, int width,
LOG("PL Compacts pixels", pixels);
}
void Scene::loadCompactedMem(int& size, unsigned char* frameData, unsigned char* pixdata, int width, int height) {
void Scene::loadCompactedMem(int size, unsigned char* frameData, unsigned char* pixdata, int width, int height) {
int pixels = 0;
unsigned char* endpixdata = pixdata + (width*height);
unsigned char* fillstart = NULL;
......
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